:root{--brand-50:#eef4ff;--brand-500:#0052ff;--brand-600:#0047e0;--brand-700:#003ecc;--gray-25:#fcfcfd;--gray-50:#f7f7f7;--gray-100:#eef0f3;--gray-200:#dee1e6;--gray-300:#c9cdd4;--gray-400:#a8acb3;--gray-500:#7c828a;--gray-600:#5b616e;--gray-700:#323741;--gray-800:#16181c;--gray-900:#0a0b0d;--success-500:#05b169;--danger-500:#cf202f;--warning-500:#f4b000;--info-500:#0052ff;--aws-orange:#f90;--white:#fff;--font-family-base:"Outfit", "Pretendard", "Noto Sans KR", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-size-sm:.875rem;--font-size-base:1rem;--font-size-lg:1.125rem;--font-size-xl:1.25rem;--font-size-2xl:1.75rem;--spacing-xs:.25rem;--spacing-sm:.5rem;--spacing-md:1rem;--spacing-lg:1.5rem;--spacing-xl:2rem;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:24px;--radius-pill:999px;--shadow-xs:0 1px 2px #0a0b0d0a;--shadow-sm:0 1px 3px #0a0b0d0f;--shadow-md:0 8px 24px #0a0b0d14;--shadow-lg:0 18px 48px #0a0b0d1f;--header-height:64px;--sidebar-width:300px;--sidebar-collapsed-width:80px}*{box-sizing:border-box}html,body,#root{width:100%;min-height:100%;margin:0}body{font-family:var(--font-family-base);font-size:var(--font-size-base);color:var(--gray-800);background:var(--gray-50);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.55;overflow-x:hidden}button,input,select,textarea{font:inherit}a{color:inherit;text-decoration:none}h1,h2,h3,h4,h5,h6,p{margin:0}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--gray-100)}::-webkit-scrollbar-thumb{background:var(--gray-300);border-radius:999px}::-webkit-scrollbar-thumb:hover{background:var(--gray-400)}.header-v2{height:var(--header-height);z-index:1000;border-bottom:1px solid var(--gray-200);background:var(--white);position:fixed;top:0;left:0;right:0}.header-v2__container{justify-content:space-between;align-items:center;gap:16px;height:100%;padding:0 20px;display:flex}.header-v2__left,.header-v2__right{align-items:center;gap:12px;min-width:0;display:flex}.header-v2__menu-toggle{border-radius:var(--radius-pill);border:1px solid var(--gray-200);background:var(--white);width:38px;height:38px;color:var(--gray-900);cursor:pointer;justify-content:center;align-items:center;display:inline-flex}.header-v2__menu-toggle:hover{border-color:var(--gray-300);background:var(--gray-50)}.header-v2__toggle-icon{font-size:17px;line-height:1}.header-v2__hamburger{flex-direction:column;gap:3px;width:16px;display:inline-flex}.header-v2__hamburger span{background:var(--gray-900);border-radius:2px;height:2px}.header-v2__hamburger--open span:nth-child(2){opacity:.45}.header-v2__brand-mark{border-radius:var(--radius-pill);background:var(--gray-900);width:38px;height:38px;color:var(--white);justify-content:center;align-items:center;font-size:11px;font-weight:700;display:inline-flex}.header-v2__title-wrap{min-width:0}.header-v2__eyebrow{color:var(--gray-500);font-size:11px;font-weight:600;line-height:1.2;display:block}.header-v2__title{color:var(--gray-900);white-space:nowrap;text-overflow:ellipsis;margin:0;font-size:18px;line-height:1.25;overflow:hidden}.header-v2__search input{border-radius:var(--radius-pill);background:var(--gray-100);width:240px;height:40px;color:var(--gray-600);border:1px solid #0000;padding:0 16px}.header-v2__search input:focus{outline:2px solid var(--brand-500);outline-offset:1px}.header-v2__user-chip{border:1px solid var(--gray-200);border-radius:var(--radius-pill);background:var(--white);align-items:center;gap:8px;padding:4px 8px 4px 4px;display:flex;position:relative}.header-v2__avatar{border-radius:var(--radius-pill);object-fit:cover;width:32px;height:32px}.header-v2__user-trigger{cursor:pointer;background:0 0;border:0;align-items:center;gap:8px;padding:0;display:flex}.header-v2__user-info{text-align:left;flex-direction:column;display:flex}.header-v2__user-name{color:var(--gray-900);white-space:nowrap;text-overflow:ellipsis;max-width:140px;font-size:12px;font-weight:700;line-height:1.2;overflow:hidden}.header-v2__user-role{color:var(--gray-500);font-size:11px;line-height:1.2}.header-v2__caret{color:var(--gray-500);font-size:11px}.header-v2__user-menu{border:1px solid var(--gray-200);border-radius:var(--radius-md);background:var(--white);width:190px;box-shadow:var(--shadow-md);z-index:20;gap:4px;padding:6px;display:grid;position:absolute;top:calc(100% + 8px);right:0}.header-v2__user-menu button{border-radius:var(--radius-sm);text-align:left;color:var(--gray-700);cursor:pointer;background:0 0;border:0;padding:9px 10px;font-size:13px}.header-v2__user-menu button:hover{background:var(--gray-100);color:var(--gray-900)}.header-v2__user-menu button.danger{color:var(--danger-500)}@media (width<=900px){.header-v2__search{display:none}}@media (width<=640px){.header-v2__container{padding:0 12px}.header-v2__brand-mark{display:none}.header-v2__title{font-size:16px}.header-v2__user-info{display:none}}.sidebar-v2{top:var(--header-height);width:var(--sidebar-width);height:calc(100vh - var(--header-height));z-index:999;border-right:1px solid var(--gray-900);background:var(--gray-900);transition:transform .22s;position:fixed;left:0;overflow-y:auto;transform:translate(-100%)}.sidebar-v2--open{transform:translate(0)}.sidebar-v2--collapsed{width:var(--sidebar-collapsed-width)}.sidebar-v2__overlay{z-index:998;background:#0a0b0d8c;position:fixed;inset:0}.sidebar-v2__content{flex-direction:column;min-height:100%;padding:14px 0;display:flex}.sidebar-v2__nav{flex:1;align-content:start;gap:16px;display:grid}.sidebar-v2__section{padding:0 10px}.sidebar-v2__section-title{text-transform:uppercase;color:var(--gray-400);margin:0 0 8px;padding:0 10px;font-size:11px;font-weight:700}.sidebar-v2__section-toggle{border-radius:var(--radius-pill);background:var(--gray-800);width:100%;color:var(--white);cursor:pointer;border:1px solid #ffffff14;justify-content:space-between;align-items:center;margin-bottom:8px;padding:9px 12px;font-size:12px;display:flex}.sidebar-v2__menu{gap:4px;margin:0;padding:0;list-style:none;display:grid}.sidebar-v2__link{border-radius:var(--radius-pill);width:100%;color:var(--gray-400);text-align:left;cursor:pointer;background:0 0;border:0;align-items:center;gap:10px;padding:10px 12px;transition:background .16s,color .16s;display:flex}.sidebar-v2--collapsed .sidebar-v2__link{justify-content:center;padding:10px 8px}.sidebar-v2__link:hover{background:var(--gray-800);color:var(--white)}.sidebar-v2__link--active{background:var(--brand-500);color:var(--white)}.sidebar-v2__icon{border-radius:var(--radius-pill);background:#ffffff14;flex:none;justify-content:center;align-items:center;width:28px;height:28px;display:inline-flex}.sidebar-v2__link--active .sidebar-v2__icon{background:#ffffff2e}.sidebar-v2__icon-svg{width:15px;height:15px}.sidebar-v2__text-wrap{min-width:0;display:grid}.sidebar-v2__label{font-size:14px;font-weight:700;line-height:1.2}.sidebar-v2__desc{color:var(--gray-400);white-space:nowrap;text-overflow:ellipsis;font-size:12px;overflow:hidden}.sidebar-v2__link--active .sidebar-v2__desc{color:#ffffffc7}.sidebar-v2__footer{border-top:1px solid #ffffff14;padding:10px}.sidebar-v2__user-card{background:var(--gray-800);border-radius:var(--radius-md);align-items:center;gap:10px;padding:10px;display:flex}.sidebar-v2__user-avatar{border-radius:var(--radius-pill);object-fit:cover;width:32px;height:32px}.sidebar-v2__user-info{min-width:0;display:grid}.sidebar-v2__user-name{color:var(--white);white-space:nowrap;text-overflow:ellipsis;font-size:12px;font-weight:700;overflow:hidden}.sidebar-v2__user-email{color:var(--gray-400);white-space:nowrap;text-overflow:ellipsis;font-size:11px;overflow:hidden}@media (width>=769px){.sidebar-v2__overlay{display:none}}@media (width<=768px){.sidebar-v2{width:min(320px,92vw)}}.footer{border-top:1px solid var(--gray-200);background:var(--white);color:var(--gray-600)}.footer-content{justify-content:space-between;align-items:center;gap:16px;min-height:56px;padding:0 22px;font-size:13px;display:flex}.footer-content>span:first-child{color:var(--gray-900);font-weight:700}.footer-links{align-items:center;gap:14px;display:flex}.footer-links a{color:var(--gray-600)}.footer-links a:hover{color:var(--brand-500)}.footer-note{color:var(--gray-500)}@media (width<=768px){.footer-content{justify-items:start;min-height:auto;padding:14px;display:grid}}.layout{min-height:100vh}.layout__main{margin-top:var(--header-height);transition:margin-left .25s}.layout__main--sidebar-open{margin-left:var(--sidebar-width)}.layout__main--sidebar-collapsed{margin-left:var(--sidebar-collapsed-width)}.layout__content{min-height:calc(100vh - var(--header-height) - 80px);background:var(--gray-50);padding:22px}.layout--focus .layout__main{margin-top:0;margin-left:0}.layout--focus .layout__content{background:#f7f7f7;min-height:100vh;padding:0}.layout__content>*{animation:.28s layoutFadeIn}@keyframes layoutFadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@media (width<=768px){.layout__main--sidebar-open,.layout__main--sidebar-collapsed{margin-left:0}.layout__content{padding:14px}}.signup-modal{background:#fff;border-radius:12px;width:90%;max-width:400px;padding:30px;box-shadow:0 10px 30px #0000004d}.signup-modal h2{color:#333;text-align:center;margin:0 0 15px}.signup-modal p{color:#666;text-align:center;margin-bottom:25px;line-height:1.5}.user-info-preview{background:#f8f9fa;border-radius:8px;align-items:center;gap:15px;margin-bottom:25px;padding:20px;display:flex}.profile-preview{object-fit:cover;border:3px solid #e9ecef;border-radius:50%;width:60px;height:60px}.info-details{flex:1}.info-item{color:#333;margin-bottom:8px}.info-item strong{color:#495057;margin-right:8px}.modal-buttons{justify-content:flex-end;gap:12px;display:flex}.cancel-button,.confirm-button{cursor:pointer;border:none;border-radius:6px;padding:10px 20px;font-weight:500;transition:background-color .2s}.cancel-button{color:#fff;background:#6c757d}.confirm-button{color:#fff;background:#667eea}.confirm-button:hover{background:#5a67d8}.login-v2-page{background-image:linear-gradient(#070c18a6,#070c188c),url(/login_back.png);background-position:50%;background-repeat:no-repeat;background-size:cover;justify-content:center;align-items:center;min-height:100vh;padding:24px;display:flex;position:relative;overflow:hidden}.login-v2-background{pointer-events:none;position:absolute;inset:0}.login-v2-orb{filter:blur(40px);opacity:.35;position:absolute}.login-v2-orb-left{background:#465fff;border-radius:999px;width:380px;height:380px;top:-110px;left:-80px}.login-v2-orb-right{background:#10b981;border-radius:999px;width:330px;height:330px;bottom:-100px;right:-80px}.login-v2-shell{z-index:1;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#0f172aad;border:1px solid #ffffff24;border-radius:24px;grid-template-columns:1.2fr .8fr;width:100%;max-width:1160px;min-height:640px;display:grid;position:relative;box-shadow:0 18px 42px #00000059}.login-v2-brand{color:#f8fafc;flex-direction:column;gap:20px;padding:56px;display:flex}.login-v2-badge{letter-spacing:.08em;text-transform:uppercase;color:#cbd5e1;border:1px solid #ffffff2e;border-radius:999px;width:fit-content;padding:8px 14px;font-size:12px}.login-v2-brand h1{color:#fff;margin:0;font-size:clamp(34px,4.1vw,56px);line-height:1.1}.login-v2-subtitle{color:#cbd5e1;max-width:560px;margin:0;font-size:17px;line-height:1.6}.login-v2-feature-list{gap:14px;margin-top:auto;display:grid}.login-v2-feature{background:#0f172a8c;border:1px solid #ffffff1f;border-radius:14px;align-items:flex-start;gap:14px;padding:14px 16px;display:flex}.login-v2-feature-dot{color:#93c5fd;border:1px solid #ffffff2e;border-radius:10px;justify-content:center;align-items:center;min-width:36px;height:36px;font-size:12px;font-weight:700;display:flex}.login-v2-feature h3{color:#f8fafc;margin:0 0 4px;font-size:16px}.login-v2-feature p{color:#cbd5e1;margin:0;font-size:14px;line-height:1.5}.login-v2-card-wrapper{justify-content:center;align-items:center;padding:36px;display:flex}.login-v2-card{background:#fff;border:1px solid #e5e7eb;border-radius:18px;width:100%;max-width:420px;padding:30px;box-shadow:0 18px 40px #0f172a33}.login-v2-card h2{color:#101828;margin:0 0 8px;font-size:30px;line-height:1.2}.login-v2-card>p{color:#475467;margin:0 0 24px;font-size:15px;line-height:1.6}.login-v2-error{color:#b42318;background:#fef2f2;border:1px solid #fecaca;border-radius:10px;margin-bottom:16px;padding:10px 12px;font-size:14px}.login-v2-google-area{flex-direction:column;align-items:center;gap:10px;min-height:52px;display:flex}.login-v2-google-button{justify-content:center;width:100%;display:flex}.login-v2-loading{color:#475467;font-size:13px}@media (width<=1024px){.login-v2-shell{grid-template-columns:1fr;max-width:680px}.login-v2-brand{padding:36px 30px 20px}.login-v2-feature-list{margin-top:8px}.login-v2-card-wrapper{padding:20px 24px 30px}}@media (width<=640px){.login-v2-page{padding:14px}.login-v2-shell{border-radius:18px}.login-v2-brand{gap:14px;padding:28px 20px 12px}.login-v2-card-wrapper{padding:10px 16px 20px}.login-v2-card{padding:22px 18px}.login-v2-card h2{font-size:26px}.login-v2-feature{padding:12px}}.card{background:var(--white);border:1px solid var(--gray-200);border-radius:var(--radius-lg);transition:box-shadow .2s,transform .2s,border-color .2s}.card--shadow-none{box-shadow:none}.card--shadow-sm{box-shadow:var(--shadow-sm)}.card--shadow-md{box-shadow:var(--shadow-md)}.card--shadow-lg{box-shadow:var(--shadow-lg)}.card--hover:hover{box-shadow:var(--shadow-lg);border-color:#d6ddff;transform:translateY(-2px)}.card__header{justify-content:space-between;align-items:flex-start;gap:12px;padding:18px 18px 0;display:flex}.card__title{color:var(--gray-900);font-size:16px;font-weight:700;line-height:1.3}.card__subtitle{color:var(--gray-600);margin-top:4px;font-size:13px}.card--padding-none .card__body{padding:0}.card--padding-sm .card__body{padding:12px}.card--padding-md .card__body{padding:16px}.card--padding-lg .card__body{padding:20px}@media (width<=640px){.card--padding-lg .card__body{padding:14px}}.btn{border-radius:var(--radius-pill);cursor:pointer;border:1px solid #0000;justify-content:center;align-items:center;gap:8px;min-height:44px;font-weight:700;transition:background .16s,border-color .16s,color .16s,transform .16s;display:inline-flex}.btn:disabled{opacity:.65;cursor:not-allowed}.btn--sm{min-height:36px;padding:8px 14px;font-size:13px}.btn--md{padding:10px 18px;font-size:14px}.btn--lg{min-height:48px;padding:12px 22px;font-size:15px}.btn--primary{color:var(--white);background:var(--brand-500);border-color:var(--brand-500)}.btn--primary:hover:not(:disabled){background:var(--brand-700);border-color:var(--brand-700);transform:translateY(-1px)}.btn--secondary{color:var(--gray-900);background:var(--gray-100);border-color:var(--gray-100)}.btn--secondary:hover:not(:disabled){background:var(--gray-200);border-color:var(--gray-200)}.btn--success{color:var(--white);background:var(--success-500);border-color:var(--success-500)}.btn--danger{color:var(--white);background:var(--danger-500);border-color:var(--danger-500)}.btn--warning{color:var(--gray-900);background:var(--warning-500);border-color:var(--warning-500)}.btn--info{color:var(--white);background:var(--info-500);border-color:var(--info-500)}.btn--light{color:var(--gray-900);background:var(--white);border-color:var(--gray-200)}.btn--dark{color:var(--white);background:var(--gray-900);border-color:var(--gray-900)}.btn--outline-primary{color:var(--brand-500);background:var(--white);border-color:#0052ff47}.btn--outline-primary:hover:not(:disabled){background:var(--brand-50);border-color:var(--brand-500)}.btn--outline-secondary{color:var(--gray-700);background:var(--white);border-color:var(--gray-200)}.btn--outline-secondary:hover:not(:disabled){background:var(--gray-50);border-color:var(--gray-300)}.btn--full-width{width:100%}.btn--loading{color:#0000;position:relative}.btn__spinner{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.btn__spinner-icon{border:2px solid;border-top-color:#0000;border-radius:50%;width:14px;height:14px;animation:.7s linear infinite btn-spin;display:block}@keyframes btn-spin{to{transform:rotate(360deg)}}.btn__text,.btn__icon{align-items:center;display:inline-flex}.exam-status-card{background:var(--white);border:1px solid var(--gray-200);border-radius:var(--radius-xl);gap:18px;padding:24px;display:grid}.exam-status-card--active{border-color:#0052ff47}.exam-status-card__header{justify-content:space-between;align-items:flex-start;gap:16px;display:flex}.exam-status-card__eyebrow{color:var(--gray-500);margin-bottom:4px;font-size:12px;font-weight:700;display:block}.exam-status-card__header h3{color:var(--gray-900);margin:0;font-size:20px;line-height:1.25}.exam-status-card__badge{border:1px solid var(--gray-200);border-radius:var(--radius-pill);color:var(--gray-600);background:var(--white);white-space:nowrap;padding:5px 10px;font-size:12px;font-weight:700}.exam-status-card__badge--active{color:var(--brand-500);background:var(--brand-50);border-color:#0052ff47}.exam-status-card__badge--paused{color:#8a6400;background:#fff8df;border-color:#f4b00059}.exam-status-card__badge--ready,.exam-status-card__badge--passed{color:var(--success-500);background:#eefbf5;border-color:#05b16947}.exam-status-card__badge--failed{color:var(--danger-500);background:#fff1f2;border-color:#cf202f3d}.exam-status-card__body{gap:12px;display:grid}.exam-status-card__title{color:var(--gray-900);align-items:center;gap:8px;font-size:16px;display:flex}.exam-status-card__exam-icon{object-fit:contain;width:20px;height:20px}.exam-status-card__stats{color:var(--gray-600);flex-wrap:wrap;gap:8px;font-size:13px;display:flex}.exam-status-card__stats span{border:1px solid var(--gray-200);border-radius:var(--radius-pill);background:var(--gray-50);padding:5px 10px}.exam-status-card__summary{color:var(--gray-600);font-size:14px}.exam-status-card__progress{border-radius:var(--radius-pill);background:var(--gray-100);height:8px;overflow:hidden}.exam-status-card__progress div{border-radius:inherit;background:var(--brand-500);height:100%;transition:width .22s}.exam-status-card__progress-text{color:var(--gray-500);font-size:12px}.exam-status-card__action{border:1px solid var(--brand-500);border-radius:var(--radius-pill);background:var(--brand-500);width:100%;min-height:46px;color:var(--white);cursor:pointer;padding:12px 22px;font-size:15px;font-weight:700;transition:background .16s,transform .16s}.exam-status-card__action:hover:not(:disabled){background:var(--brand-700);transform:translateY(-1px)}.exam-status-card__action:disabled{border-color:var(--gray-300);background:var(--gray-300);cursor:not-allowed}@media (width<=640px){.exam-status-card{padding:18px}.exam-status-card__header{display:grid}}.ad-banner{text-align:center;background-color:#fafafa;border:1px solid #e0e0e0;border-radius:8px;margin:20px 0;padding:10px;overflow:hidden}.ad-label{color:#666;text-transform:uppercase;letter-spacing:.5px;margin-bottom:8px;font-size:12px}.adsbygoogle{background:0 0;overflow:hidden}.ad-banner.mobile{border-radius:6px;max-width:calc(100vw - 20px);margin:15px 5px;padding:8px}.ad-banner.mobile .ad-label{margin-bottom:6px;font-size:11px}.ad-banner.mobile .adsbygoogle{max-width:100%;min-height:250px!important}.ad-banner.desktop{max-width:728px;margin:20px auto}.ad-banner.desktop .adsbygoogle{min-height:90px}@media (width<=768px){.ad-banner{max-width:calc(100vw - 20px);margin:15px 5px;padding:8px}.ad-label{font-size:11px}.adsbygoogle{min-width:300px!important;min-height:250px!important}}@media (width<=480px){.ad-banner{margin:10px 5px;padding:6px}.ad-banner .adsbygoogle{min-width:280px!important;min-height:200px!important}}.dashboard-v2{gap:18px;max-width:1440px;margin:0 auto;display:grid}.dashboard-v2--loading{text-align:center;min-height:280px;color:var(--gray-600);place-items:center;display:grid}.dashboard-v2__spinner{border:3px solid var(--gray-200);border-top-color:var(--brand-500);border-radius:var(--radius-pill);width:36px;height:36px;margin:0 auto 10px;animation:.8s linear infinite dashboardSpin}@keyframes dashboardSpin{to{transform:rotate(360deg)}}.dashboard-v2__error{border-radius:var(--radius-md);color:var(--danger-500);background:#fff1f2;border:1px solid #cf202f3d;padding:12px 14px;font-size:14px}.dashboard-v2__hero{border:1px solid var(--gray-200);border-radius:var(--radius-xl);background:var(--white);grid-template-columns:1fr 230px;gap:20px;padding:28px;display:grid}.dashboard-v2__hero-eyebrow{color:var(--brand-500);margin-bottom:8px;font-size:12px;font-weight:800;display:inline-block}.dashboard-v2__hero h1{color:var(--gray-900);margin-bottom:10px;font-size:clamp(28px,3vw,40px);font-weight:600;line-height:1.12}.dashboard-v2__hero p{color:var(--gray-600);max-width:760px;font-size:16px}.dashboard-v2__hero-actions{flex-wrap:wrap;gap:10px;margin-top:18px;display:flex}.dashboard-v2__hero-meta{border:1px solid var(--gray-200);border-radius:var(--radius-lg);background:var(--gray-50);align-content:center;gap:8px;padding:18px;display:grid}.dashboard-v2__meta-title{color:var(--gray-500);font-size:12px;font-weight:700}.dashboard-v2__hero-meta strong{color:var(--brand-500);font-size:42px;line-height:1}.dashboard-v2__hero-meta p{color:var(--gray-600);font-size:13px}.dashboard-v2__metrics-grid{grid-template-columns:repeat(5,minmax(0,1fr));gap:12px;display:grid}.dashboard-v2__metric{border:1px solid var(--gray-200);border-radius:var(--radius-lg);box-shadow:none}.dashboard-v2__metric-label{color:var(--gray-600);margin-bottom:8px;font-size:13px;display:block}.dashboard-v2__metric-value{color:var(--gray-900);font-size:28px;line-height:1.1}.dashboard-v2__main-grid{grid-template-columns:1.25fr .75fr;gap:12px;display:grid}.dashboard-v2__notices-card,.dashboard-v2__quick-card{border:1px solid var(--gray-200);border-radius:var(--radius-lg);box-shadow:none}.dashboard-v2__section-head{justify-content:space-between;align-items:center;margin-bottom:12px;display:flex}.dashboard-v2__section-head h3{color:var(--gray-900);font-size:16px}.dashboard-v2__section-head span{color:var(--gray-500);font-size:12px}.dashboard-v2__empty{border:1px dashed var(--gray-300);border-radius:var(--radius-md);color:var(--gray-500);background:var(--gray-50);padding:16px;font-size:14px}.dashboard-v2__notice-list{gap:8px;margin:0;padding:0;list-style:none;display:grid}.dashboard-v2__notice-btn{border:1px solid var(--gray-200);border-radius:var(--radius-md);background:var(--white);text-align:left;cursor:pointer;justify-content:space-between;align-items:center;gap:10px;width:100%;padding:10px 12px;display:flex}.dashboard-v2__notice-btn:hover{background:var(--brand-50);border-color:#0052ff47}.dashboard-v2__notice-title{min-width:0;color:var(--gray-800);white-space:nowrap;text-overflow:ellipsis;font-size:14px;font-weight:700;overflow:hidden}.dashboard-v2__notice-title em{background:var(--brand-50);color:var(--brand-500);border-radius:var(--radius-pill);border:1px solid #0052ff2e;margin-right:6px;padding:2px 6px;font-size:10px;font-style:normal}.dashboard-v2__notice-date{color:var(--gray-500);flex-shrink:0;font-size:12px}.dashboard-v2__quick-actions{gap:8px;display:grid}.dashboard-v2__status-wrap{border-radius:var(--radius-lg)}.dashboard-v2__ad{margin-top:6px}.dashboard-v2__modal{z-index:1100;background:#0a0b0d9e;place-items:center;padding:14px;display:grid;position:fixed;inset:0}.dashboard-v2__modal-card{border-radius:var(--radius-lg);background:var(--white);border:1px solid var(--gray-200);width:min(760px,100%);max-height:min(80vh,760px);box-shadow:var(--shadow-lg);overflow:auto}.dashboard-v2__modal-head{border-bottom:1px solid var(--gray-200);justify-content:space-between;align-items:center;gap:10px;padding:14px 16px;display:flex}.dashboard-v2__modal-head h3{color:var(--gray-900);font-size:18px}.dashboard-v2__modal-head button{border:1px solid var(--gray-200);background:var(--gray-100);color:var(--gray-700);border-radius:var(--radius-pill);cursor:pointer;min-height:34px;padding:0 12px;font-size:13px;font-weight:700}.dashboard-v2__modal-meta{border-bottom:1px solid var(--gray-200);color:var(--gray-500);gap:14px;padding:10px 16px;font-size:12px;display:flex}.dashboard-v2__modal-body{color:var(--gray-700);padding:16px;line-height:1.7}.dashboard-v2__modal-body p+p{margin-top:10px}@media (width<=1200px){.dashboard-v2__metrics-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media (width<=980px){.dashboard-v2__hero,.dashboard-v2__main-grid{grid-template-columns:1fr}}@media (width<=640px){.dashboard-v2__hero{padding:18px}.dashboard-v2__hero-actions{grid-template-columns:1fr;display:grid}.dashboard-v2__metrics-grid{grid-template-columns:1fr}.dashboard-v2__notice-btn{flex-direction:column;align-items:flex-start}}.post-editor-modal{z-index:1000;background:#00000080;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.post-editor{background:#fff;border-radius:12px;width:100%;max-width:1200px;max-height:90vh;overflow-y:auto;box-shadow:0 10px 40px #0003}.editor-header{color:#fff;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);border-bottom:1px solid #eee;border-radius:12px 12px 0 0;justify-content:space-between;align-items:center;padding:20px 30px;display:flex}.editor-header h3{margin:0;font-size:20px}.close-button{color:#fff;cursor:pointer;background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;width:30px;height:30px;padding:0;font-size:24px;transition:background .2s;display:flex}.close-button:hover{background:#fff3}.editor-form{padding:30px}.form-row{align-items:end;gap:20px;margin-bottom:20px;display:flex}.form-group{flex:1;margin-bottom:20px}.checkbox-label{cursor:pointer;align-items:center;gap:8px;margin-bottom:0!important;display:flex!important}.form-group input,.form-group select,.form-group textarea{border:2px solid #e9ecef;border-radius:8px;width:100%;padding:12px;font-family:inherit;font-size:14px;transition:border-color .3s}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:#667eea;outline:none}.form-group textarea{resize:vertical;min-height:300px;line-height:1.6}.form-group input[type=checkbox]{width:auto;margin:0}.editor-actions{border-top:1px solid #eee;justify-content:flex-end;gap:15px;padding-top:20px;display:flex}.save-button{color:#fff;cursor:pointer;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);border:none;border-radius:25px;padding:12px 24px;font-weight:600;transition:transform .2s}.save-button:hover{transform:translateY(-1px)}.cancel-button{color:#fff;cursor:pointer;background:#6c757d;border:none;border-radius:25px;padding:12px 24px;font-weight:600;transition:background .2s}@media (width<=768px){.post-editor-modal{padding:10px}.post-editor{max-height:95vh}.editor-header{padding:15px 20px}.editor-form{padding:20px}.form-row{flex-direction:column;gap:0}.editor-actions{flex-direction:column}.save-button,.cancel-button{width:100%}}.access-denied{text-align:center;background:#fff;border:1px solid #e5e7eb;border-radius:8px;padding:60px 20px;box-shadow:0 1px 3px #0000001a}.access-denied h2{color:#ef4444;margin:0 0 12px;font-size:24px;font-weight:600}.access-denied p{color:#6b7280;margin:0;font-size:16px}.admin-page h1{color:#111827;text-align:center;margin:0 0 32px;font-size:28px;font-weight:700}.admin-btn{cursor:pointer;text-align:center;border:none;border-radius:6px;justify-content:center;align-items:center;gap:4px;min-width:70px;height:28px;padding:6px 12px;font-size:11px;font-weight:500;transition:all .2s;display:inline-flex;box-shadow:0 1px 3px #0000001a}.admin-btn:hover{transform:translateY(-1px);box-shadow:0 2px 6px #00000026}.admin-btn:active{transform:translateY(0);box-shadow:0 1px 2px #0000001a}.admin-btn.primary{color:#fff;background:#4f46e5}.admin-btn.primary:hover{background:#4338ca}.admin-btn.success{color:#fff;background:#10b981}.admin-btn.success:hover{background:#059669}.admin-btn.danger{color:#fff;background:#ef4444}.admin-btn.danger:hover{background:#dc2626}.admin-btn.secondary{color:#fff;background:#6b7280}.admin-btn.secondary:hover{background:#4b5563}.admin-btn.outline:hover{color:#fff;background:#4f46e5}.admin-btn.large{min-width:80px;height:32px;padding:8px 16px;font-size:12px}.admin-btn:before{margin-right:2px}.admin-btn.success:before{content:"✓"}.admin-btn.danger:before{content:"✕"}.admin-btn.warning:before{content:"✎"}.admin-btn.primary:before{content:"🔍"}.admin-btn.secondary:before{content:"↻"}.admin-form-control{color:#374151;background:#fff;border:1px solid #d1d5db;border-radius:4px;min-width:80px;height:26px;padding:4px 8px;font-size:11px;font-weight:400;transition:all .2s;box-shadow:0 1px 2px #0000000d}.admin-form-control:focus{border-color:#4f46e5;outline:none;box-shadow:0 0 0 2px #4f46e51a}.admin-form-control:hover{border-color:#9ca3af}.admin-form-control:disabled{color:#9ca3af;cursor:not-allowed;background:#f3f4f6;border-color:#e5e7eb}.admin-form-control.textarea{resize:vertical;height:auto;min-height:60px;line-height:1.4}.admin-form-control.select{cursor:pointer;background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");background-position:right 4px center;background-repeat:no-repeat;background-size:12px;padding-right:24px}.admin-form-control.sm{height:22px;padding:2px 6px;font-size:10px}.admin-form-control.sm.textarea{min-height:50px;max-height:120px;line-height:1.3}.admin-form-control.lg{height:32px;padding:6px 12px;font-size:12px}.admin-checkbox,.admin-radio{cursor:pointer;accent-color:#4f46e5;width:14px;height:14px;margin:0 4px 0 0}.admin-section{background:#fff;border:1px solid #e5e7eb;border-radius:8px;margin-bottom:24px;padding:24px;box-shadow:0 1px 3px #0000001a}.admin-section h2{color:#111827;align-items:center;gap:8px;margin:0 0 24px;font-size:1.5rem;font-weight:600;display:flex}.admin-page--embedded{background:0 0;max-width:none;min-height:auto;margin:0;padding:0}.admin-management-tabs{background:#f3f4f6;border-radius:10px;align-items:center;gap:8px;margin-bottom:20px;padding:4px;display:inline-flex}.admin-management-tab{color:#4b5563;cursor:pointer;background:0 0;border:0;border-radius:8px;padding:8px 14px;font-size:12px;font-weight:600;transition:all .15s}.admin-management-tab:hover{color:#111827;background:#e5e7eb}.admin-management-tab.active{color:#1f2937;background:#fff;box-shadow:0 1px 2px #0f172a1f}.admin-header{justify-content:space-between;align-items:center;margin-bottom:24px;display:flex}.admin-header h2{margin:0}.admin-controls{flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:16px;display:flex}.admin-table{border-collapse:collapse;width:100%;margin-top:16px}.admin-table th,.admin-table td{text-align:left;border-bottom:1px solid #e5e7eb;padding:8px 12px;font-size:11px}.admin-table th{color:#374151;background:#f9fafb;font-weight:600}.admin-card{background:#fff;border:1px solid #e5e7eb;border-radius:6px;margin-bottom:12px;padding:16px;transition:all .2s}.admin-card:hover{transform:translateY(-1px);box-shadow:0 2px 8px #0000001a}.admin-modal{z-index:1000;background:#00000080;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.admin-modal-content{background:#fff;border-radius:8px;width:100%;max-width:600px;max-height:90vh;overflow-y:auto;box-shadow:0 10px 40px #0003}.admin-modal-header{background:#f9fafb;border-bottom:1px solid #e5e7eb;justify-content:space-between;align-items:center;padding:16px 20px;display:flex}.admin-modal-header h3{color:#111827;margin:0;font-size:1.1rem;font-weight:600}.admin-modal-close{cursor:pointer;color:#6b7280;background:0 0;border:none;border-radius:4px;justify-content:center;align-items:center;width:24px;height:24px;font-size:20px;transition:all .2s;display:flex}.admin-modal-close:hover{color:#374151;background:#e5e7eb}.admin-modal-body{padding:20px}.admin-modal-footer{background:#f9fafb;border-top:1px solid #e5e7eb;justify-content:flex-end;gap:8px;padding:16px 20px;display:flex}.admin-form-group{margin-bottom:16px}.admin-form-group label{color:#374151;margin-bottom:4px;font-size:11px;font-weight:600;display:block}.admin-form-group .admin-form-control{width:100%}.admin-form-inline{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.admin-form-inline .admin-form-control{margin-bottom:0}.admin-pagination{background:#f9fafb;border-radius:6px;justify-content:center;align-items:center;gap:8px;margin-top:24px;padding:16px;display:flex}.admin-pagination .admin-btn{color:#4f46e5;background:#fff;border:1px solid #4f46e5}.admin-pagination .admin-btn:hover:not(:disabled){color:#fff;background:#4f46e5}.admin-pagination .admin-btn:disabled{color:#9ca3af;cursor:not-allowed;box-shadow:none;background:#f3f4f6;border-color:#d1d5db;transform:none}.admin-pagination span{color:#6b7280;font-size:11px;font-weight:500}.admin-badge{text-transform:uppercase;letter-spacing:.5px;border-radius:3px;padding:2px 6px;font-size:10px;font-weight:600;display:inline-block}@media (width<=768px){.admin-management-tabs{width:100%;display:flex}.admin-management-tab{text-align:center;flex:1}.admin-btn{min-width:50px;height:24px;padding:4px 8px;font-size:10px}.admin-form-control{min-width:60px;height:24px;padding:3px 6px;font-size:10px}.admin-form-control.textarea{min-height:50px}.admin-form-control.select{background-size:10px;padding-right:20px}.admin-section{margin-bottom:16px;padding:16px}.admin-controls{flex-direction:column;align-items:stretch}.admin-modal-content{max-width:none;margin:10px}.admin-table{font-size:10px}.admin-table th,.admin-table td{padding:6px 8px}}.admin-text-xs{font-size:10px}.admin-text-sm{font-size:11px}.admin-text-base{font-size:12px}.admin-text-lg{font-size:14px}.admin-font-normal{font-weight:400}.admin-font-medium{font-weight:500}.admin-font-semibold{font-weight:600}.admin-font-bold{font-weight:700}.admin-text-gray-700{color:#374151}.admin-text-gray-900{color:#111827}.admin-mb-2{margin-bottom:8px}.admin-mb-4{margin-bottom:16px}.admin-mb-6{margin-bottom:24px}.admin-mt-2{margin-top:8px}.admin-mt-4{margin-top:16px}.admin-mt-6{margin-top:24px}.admin-flex{display:flex}.admin-flex-col{flex-direction:column}.admin-items-center{align-items:center}.admin-justify-between{justify-content:space-between}.admin-gap-2{gap:8px}.admin-gap-4{gap:16px}.admin-w-full{width:100%}.admin-h-full{height:100%}.modal-overlay{z-index:1000;background:#00000080;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.user-modal{background:#fff;border-radius:12px;width:90%;max-width:500px;max-height:90vh;overflow-y:auto;box-shadow:0 20px 25px -5px #0000001a,0 10px 10px -5px #0000000a}.modal-header{border-bottom:1px solid #e5e7eb;justify-content:space-between;align-items:center;padding:20px 24px;display:flex}.modal-header h3{color:#111827;margin:0;font-size:18px;font-weight:600}.modal-close{cursor:pointer;color:#6b7280;background:0 0;border:none;border-radius:6px;justify-content:center;align-items:center;width:32px;height:32px;padding:0;font-size:24px;transition:all .2s;display:flex}.modal-close:hover{color:#374151;background:#f3f4f6}.modal-body{padding:24px}.modal-footer{background:#f9fafb;border-top:1px solid #e5e7eb;border-radius:0 0 12px 12px;justify-content:flex-end;gap:12px;padding:20px 24px;display:flex}.user-info{background:#f9fafb;border-radius:8px;align-items:center;gap:16px;margin-bottom:24px;padding:16px;display:flex}.user-avatar{border-radius:50%;flex-shrink:0;width:40px;height:40px;overflow:hidden}.user-avatar.large .avatar-placeholder{font-size:20px}.user-details h4{color:#111827;margin:0 0 4px;font-size:16px;font-weight:600}.user-details p{color:#6b7280;margin:0 0 8px;font-size:14px}.user-stats{color:#6b7280;gap:12px;font-size:12px;display:flex}.user-stats span{background:#fff;border:1px solid #e5e7eb;border-radius:4px;padding:4px 8px}.form-group label{color:#374151;margin-bottom:6px;font-size:14px;font-weight:500;display:block}.form-group label input[type=checkbox]{margin-right:8px}.users-stats span{font-weight:500}.user-admin-table-wrap{-webkit-overflow-scrolling:touch;width:100%;overflow-x:auto}.user-admin-table{table-layout:fixed;min-width:980px}.user-admin-table .col-exams,.user-admin-table .col-score{text-align:center;width:90px}.user-admin-table .col-action{text-align:center;width:90px}.user-cell{align-items:center;gap:10px;display:flex}.user-cell__meta{flex-direction:column;min-width:0;display:flex}.user-cell__meta strong{color:#111827;font-size:12px;line-height:1.2}.user-email-cell{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}@media (width<=1024px){.user-admin-table{min-width:760px}.user-admin-table .col-login,.user-admin-table .col-email{display:none}}@media (width<=768px){.user-admin-table{min-width:620px}.user-admin-table .col-score{display:none}}@media (width<=560px){.user-admin-table{min-width:520px}.user-admin-table .col-plan{display:none}}.exam-type-table-wrap{-webkit-overflow-scrolling:touch;width:100%;overflow-x:auto}.exam-type-table{table-layout:fixed;min-width:980px}.exam-type-table .col-exam-name{width:320px}.exam-type-table .col-exam-id{width:170px}.exam-type-table .col-total-questions,.exam-type-table .col-exam-time,.exam-type-table .col-pass-score{text-align:center;width:90px}.exam-type-table .col-access-scope{width:130px}.exam-type-table .col-status,.exam-type-table .col-action{text-align:center;width:90px}.exam-type-cell{align-items:center;gap:10px;display:flex}.examtype-icon{background:#f8fafc;border:1px solid #e2e8f0;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;display:inline-flex}.exam-type-cell__meta{flex-direction:column;min-width:0;display:flex}.exam-type-cell__meta strong{color:#111827;font-size:12px;line-height:1.2}.exam-type-cell__meta span{color:#6b7280;white-space:nowrap;text-overflow:ellipsis;margin-top:3px;font-size:11px;overflow:hidden}.exam-type-table code{color:#334155;background:#f1f5f9;border:1px solid #e2e8f0;border-radius:6px;padding:2px 6px;font-size:11px}.exam-type-modal-overlay{z-index:1200;background:#0f172a94;place-items:center;padding:16px;display:grid;position:fixed;inset:0}.exam-type-modal{background:#fff;border:1px solid #dbe3ef;border-radius:14px;flex-direction:column;width:min(920px,100%);max-height:calc(100vh - 32px);display:flex;overflow:hidden;box-shadow:0 30px 60px #0f172a38}.exam-type-modal__header{background:#f8fafc;border-bottom:1px solid #e5e7eb;justify-content:space-between;align-items:center;gap:10px;padding:16px 18px;display:flex}.exam-type-modal__header h3{color:#0f172a;margin:0;font-size:18px}.exam-type-modal__close{color:#64748b;cursor:pointer;background:0 0;border:none;border-radius:8px;width:32px;height:32px;font-size:22px;line-height:1}.exam-type-modal__close:hover{color:#334155;background:#e2e8f0}.exam-type-modal__body{padding:16px 18px;overflow-y:auto}.exam-type-modal__footer{background:#f8fafc;border-top:1px solid #e5e7eb;justify-content:flex-end;gap:8px;padding:14px 18px;display:flex}.exam-type-modal__error{color:#b91c1c;background:#fff1f2;border:1px solid #fecaca;border-radius:8px;margin:12px 0 0;padding:8px 10px;font-size:12px;font-weight:600}.exam-type-editor-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;display:grid}.exam-type-editor-grid>.admin-form-group{min-width:0}.exam-type-editor-grid>.admin-form-group:first-child,.exam-type-editor-grid>.admin-form-group:nth-child(2),.exam-type-editor-grid>.admin-form-group:nth-child(3),.exam-type-editor-grid>.admin-form-group:nth-child(4),.exam-type-editor-grid>.admin-form-group:nth-child(6),.exam-type-editor-grid>.admin-form-group:nth-child(7){grid-column:1/-1}.exam-type-editor-grid__metrics{grid-column:1/-1;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;display:grid}.exam-type-editor-grid__metrics .admin-form-group{margin-bottom:0}@media (width<=1024px){.exam-type-table{min-width:760px}.exam-type-table .col-exam-id,.exam-type-table .col-access-scope{display:none}}@media (width<=768px){.exam-type-table{min-width:620px}.exam-type-table .col-total-questions{display:none}.exam-type-editor-grid,.exam-type-editor-grid__metrics{grid-template-columns:1fr}.exam-type-modal__footer{flex-direction:column-reverse}.exam-type-modal__footer .admin-btn{width:100%}}@media (width<=560px){.exam-type-table{min-width:520px}.exam-type-table .col-exam-time{display:none}}.user-edit-modal-overlay{z-index:1200;background:#0f172a8c;place-items:center;padding:16px;display:grid;position:fixed;inset:0}.user-edit-modal{background:#fff;border:1px solid #e2e8f0;border-radius:14px;width:min(640px,100%);overflow:hidden;box-shadow:0 28px 60px #0f172a33}.user-edit-modal__header{background:#f8fafc;border-bottom:1px solid #e5e7eb;justify-content:space-between;align-items:center;gap:10px;padding:16px 18px;display:flex}.user-edit-modal__header h3{color:#0f172a;margin:0;font-size:18px}.user-edit-modal__close{color:#64748b;cursor:pointer;background:0 0;border:none;border-radius:8px;width:32px;height:32px;font-size:22px;line-height:1}.user-edit-modal__close:hover{color:#334155;background:#e2e8f0}.user-edit-modal__body{padding:18px}.user-edit-profile{background:#f8fafc;border:1px solid #e2e8f0;border-radius:10px;align-items:center;gap:14px;padding:12px;display:flex}.user-edit-profile__meta{min-width:0}.user-edit-profile__meta h4{color:#0f172a;margin:0;font-size:16px}.user-edit-profile__meta p{color:#475569;margin:4px 0 0;font-size:13px}.user-edit-profile__stats{flex-wrap:wrap;gap:6px;margin-top:10px;display:flex}.user-edit-profile__stats span{color:#475569;background:#fff;border:1px solid #dbe1ea;border-radius:999px;padding:4px 8px;font-size:12px}.user-edit-form{gap:10px;margin-top:14px;display:grid}.user-edit-form__row{border:1px solid #e5e7eb;border-radius:10px;grid-template-columns:110px 1fr;align-items:center;gap:12px;padding:10px 12px;display:grid}.user-edit-form__label{color:#475569;margin:0;font-size:13px;font-weight:600}.user-edit-form__checkbox{color:#1f2937;align-items:center;gap:8px;margin:0;font-size:14px;display:inline-flex}.user-edit-form__checkbox input[type=checkbox]{margin:0}.user-edit-modal__footer{background:#f8fafc;border-top:1px solid #e5e7eb;justify-content:flex-end;gap:8px;padding:14px 18px;display:flex}@media (width<=640px){.user-edit-modal{width:100%}.user-edit-profile{align-items:flex-start}.user-edit-form__row{grid-template-columns:1fr;gap:8px}.user-edit-modal__footer{flex-direction:column-reverse}.user-edit-modal__footer .admin-btn{width:100%}}.question-admin-table-wrap{-webkit-overflow-scrolling:touch;width:100%;overflow-x:auto}.question-admin-table{table-layout:fixed;min-width:980px}.question-admin-table .col-question-meta{text-align:center;width:110px}.question-text-cell{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.question-edit-modal-overlay,.question-ai-modal-overlay,.question-action-modal-overlay{z-index:1200;background:#0f172a94;place-items:center;padding:16px;display:grid;position:fixed;inset:0}.question-edit-modal{background:#fff;border:1px solid #dbe3ef;border-radius:14px;flex-direction:column;width:min(920px,100%);max-height:calc(100vh - 32px);display:flex;overflow:hidden;box-shadow:0 30px 60px #0f172a38}.question-edit-modal__header,.question-ai-modal__header{background:#f8fafc;border-bottom:1px solid #e5e7eb;justify-content:space-between;align-items:center;gap:10px;padding:16px 18px;display:flex}.question-edit-modal__header h3,.question-ai-modal__header h3{color:#0f172a;margin:0;font-size:18px}.question-edit-modal__close,.question-ai-modal__close{color:#64748b;cursor:pointer;background:0 0;border:none;border-radius:8px;width:32px;height:32px;font-size:22px;line-height:1}.question-edit-modal__close:hover,.question-ai-modal__close:hover{color:#334155;background:#e2e8f0}.question-edit-modal__body,.question-ai-modal__body{padding:16px 18px;overflow-y:auto}.question-edit-modal__footer,.question-ai-modal__footer{background:#f8fafc;border-top:1px solid #e5e7eb;justify-content:flex-end;gap:8px;padding:14px 18px;display:flex}.question-edit-modal__error{color:#b91c1c;background:#fff1f2;border:1px solid #fecaca;border-radius:8px;margin:12px 0 0;padding:8px 10px;font-size:12px;font-weight:600}.question-ai-modal{background:#fff;border:1px solid #dbe3ef;border-radius:14px;flex-direction:column;width:min(640px,100%);max-height:calc(100vh - 32px);display:flex;overflow:hidden;box-shadow:0 30px 60px #0f172a38}.question-action-modal{background:#fff;border:1px solid #e2e8f0;border-radius:12px;width:min(420px,100%);padding:18px;box-shadow:0 24px 50px #0f172a33}.question-action-modal h3{color:#0f172a;margin:0 0 8px;font-size:18px}.question-action-modal p{color:#475569;margin:0;font-size:14px;line-height:1.5}.question-action-modal__footer{justify-content:flex-end;gap:8px;margin-top:14px;display:flex}.question-modal{background:#fff;border-radius:12px;width:90%;max-width:800px;max-height:90vh;overflow-y:auto;box-shadow:0 20px 25px -5px #0000001a,0 10px 10px -5px #0000000a}.ai-analysis-modal{background:#fff;border-radius:12px;width:90%;max-width:600px;max-height:90vh;overflow-y:auto;box-shadow:0 20px 25px -5px #0000001a,0 10px 10px -5px #0000000a}.question-editor{padding:0}.question-preview{word-wrap:break-word;max-width:300px;line-height:1.4}.correct-answers{flex-wrap:wrap;gap:4px;display:flex}.correct-answers .admin-badge{border-radius:3px;padding:2px 6px;font-size:10px;font-weight:600}.options-editor{flex-direction:column;gap:12px;display:flex}.option-item{background:#f9fafb;border:1px solid #e5e7eb;border-radius:8px;padding:12px}.option-header{justify-content:space-between;align-items:center;margin-bottom:8px;display:flex}.option-header label{color:#374151;align-items:center;gap:8px;margin-bottom:0;font-weight:500;display:flex}.option-header input[type=checkbox]{margin:0}.bulk-actions{background:#f9fafb;border:1px solid #e5e7eb;border-radius:8px;gap:12px;margin-bottom:16px;padding:12px 16px;display:flex}.questions-stats{color:#6b7280;background:#f9fafb;border-radius:8px;justify-content:space-between;align-items:center;margin-bottom:16px;padding:12px 16px;font-size:14px;display:flex}.questions-stats span{font-weight:500}@media (width<=1024px){.question-admin-table{min-width:760px}.question-admin-table .col-question-meta{display:none}}@media (width<=768px){.question-admin-table{min-width:620px}.question-admin-table .col-option-count{display:none}.question-edit-modal__footer,.question-ai-modal__footer,.question-action-modal__footer{flex-direction:column-reverse}.question-edit-modal__footer .admin-btn,.question-ai-modal__footer .admin-btn,.question-action-modal__footer .admin-btn{width:100%}}@media (width<=560px){.question-admin-table{min-width:520px}.question-admin-table .col-correct-answer{display:none}}.analysis-section{margin-bottom:20px}.analysis-section h4{color:#111827;margin:0 0 12px;font-size:16px;font-weight:600}.analysis-content{flex-direction:column;gap:12px;display:flex}.analysis-item{background:#f9fafb;border:1px solid #e5e7eb;border-radius:8px;padding:12px}.analysis-item strong{color:#374151;margin-bottom:6px;font-weight:600;display:block}.analysis-item p{color:#6b7280;margin:0;line-height:1.5}.recommended-answers{gap:6px;margin-top:6px;display:flex}.admin-btn.info{color:#fff;background:#3b82f6}.admin-btn.info:hover{background:#2563eb}.admin-btn.warning{color:#fff;background:#f59e0b}.admin-btn.warning:hover{background:#d97706}.admin-btn.small{min-width:50px;height:24px;padding:4px 8px;font-size:10px}.admin-btn.outline{color:#374151;background:0 0;border:1px solid #d1d5db}.admin-btn.outline:hover{color:#111827;background:#f9fafb;border-color:#9ca3af}.page-info{color:#6b7280;background:#f3f4f6;border-radius:6px;padding:8px 16px;font-size:12px;font-weight:500}.keywords-input{background:#fff;border:1px solid #d1d5db;border-radius:6px;min-height:40px;padding:8px}.keywords-list{flex-wrap:wrap;gap:6px;margin-bottom:8px;display:flex}.keyword-tag{color:#374151;background:#e5e7eb;border-radius:4px;align-items:center;gap:4px;padding:4px 8px;font-size:12px;font-weight:500;display:inline-flex}.keyword-tag button{color:#6b7280;cursor:pointer;background:0 0;border:none;border-radius:2px;justify-content:center;align-items:center;width:16px;height:16px;padding:0;font-size:14px;line-height:1;transition:all .2s;display:flex}.keyword-tag button:hover{color:#374151;background:#d1d5db}.keywords-input input{color:#374151;background:0 0;border:none;outline:none;width:100%;min-width:120px;font-size:14px}.keywords-input input::placeholder{color:#9ca3af}.report-admin-table-wrap{-webkit-overflow-scrolling:touch;width:100%;overflow-x:auto}.report-admin-table .col-report-type,.report-admin-table .col-report-author{width:120px}.report-admin-table .col-report-question{width:140px}.report-question-cell{color:#475569;font-size:11px;line-height:1.35}.report-content-cell{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.report-type-chip{color:#334155;background:#f8fafc;border:1px solid #dbe1ea;border-radius:999px;align-items:center;gap:5px;padding:3px 8px;font-size:11px;font-weight:600;display:inline-flex}.report-type-chip__icon{justify-content:center;align-items:center;font-size:13px;display:inline-flex}.report-detail-modal-overlay{z-index:1200;background:#0f172a94;place-items:center;padding:16px;display:grid;position:fixed;inset:0}.report-detail-modal{background:#fff;border:1px solid #dbe3ef;border-radius:14px;flex-direction:column;width:min(760px,100%);max-height:calc(100vh - 72px);display:flex;overflow:hidden;box-shadow:0 30px 60px #0f172a38}.report-detail-modal__header{background:#f8fafc;border-bottom:1px solid #e5e7eb;justify-content:space-between;align-items:center;gap:10px;padding:12px 14px;display:flex}.report-detail-modal__header h3{color:#0f172a;margin:0;font-size:18px}.report-detail-modal__close{color:#64748b;cursor:pointer;background:0 0;border:none;border-radius:8px;width:32px;height:32px;font-size:22px;line-height:1}.report-detail-modal__close:hover{color:#334155;background:#e2e8f0}.report-detail-modal__body{padding:12px 14px;overflow-y:auto}.report-detail-content{padding:0}.report-detail-table{border-collapse:collapse;table-layout:fixed;width:100%}.report-detail-table th,.report-detail-table td{vertical-align:top;border:1px solid #e5e7eb;padding:10px 12px;font-size:13px}.report-detail-table th{color:#475569;text-align:left;background:#f8fafc;width:140px;font-weight:700}.report-detail-table td{color:#0f172a}.report-detail-modal__footer{background:#f8fafc;border-top:1px solid #e5e7eb;justify-content:flex-end;gap:8px;padding:10px 14px;display:flex}.report-action-modal-overlay{z-index:1210;background:#0f172a94;place-items:center;padding:16px;display:grid;position:fixed;inset:0}.report-action-modal{background:#fff;border:1px solid #e2e8f0;border-radius:12px;width:min(420px,100%);padding:18px;box-shadow:0 24px 50px #0f172a33}.report-action-modal h3{color:#0f172a;margin:0 0 8px;font-size:18px}.report-action-modal p{color:#475569;margin:0;font-size:14px;line-height:1.5}.report-action-modal__footer{justify-content:flex-end;gap:8px;margin-top:14px;display:flex}.report-modal{background:#fff;border-radius:12px;width:90%;max-width:900px;max-height:90vh;overflow-y:auto;box-shadow:0 20px 25px -5px #0000001a,0 10px 10px -5px #0000000a}.report-info{padding:0}.info-item.full-width{grid-column:1/-1}.info-item label{color:#6b7280;text-transform:uppercase;letter-spacing:.05em;font-size:12px;font-weight:500}.question-content{color:#374151;background:#f9fafb;border:1px solid #e5e7eb;border-radius:6px;padding:12px;font-size:14px;line-height:1.5}.options-list{background:#f9fafb;border:1px solid #e5e7eb;border-radius:6px;padding:12px}.option-item{gap:8px;margin-bottom:8px;font-size:14px;display:flex}.option-item:last-child{margin-bottom:0}.option-number{color:#6b7280;min-width:20px;font-weight:600}.option-text{color:#374151;line-height:1.4}.report-description{color:#374151;white-space:pre-wrap;background:#f9fafb;border:1px solid #e5e7eb;border-radius:8px;padding:16px;font-size:14px;line-height:1.6}.admin-response{color:#92400e;white-space:pre-wrap;background:#fef3c7;border:1px solid #fbbf24;border-radius:8px;padding:16px;font-size:14px;line-height:1.6}.reports-stats{color:#6b7280;background:#f9fafb;border-radius:8px;justify-content:space-between;align-items:center;margin-bottom:16px;padding:12px 16px;font-size:14px;display:flex}.reports-stats span{font-weight:500}@media (width<=768px){.report-admin-table{min-width:780px}.report-admin-table .col-report-question,.report-admin-table .col-report-date{display:none}.report-detail-modal__footer{flex-direction:column-reverse}.report-detail-modal__footer .admin-btn{width:100%}.report-action-modal__footer{flex-direction:column-reverse}.report-action-modal__footer .admin-btn{width:100%}.report-detail-table th,.report-detail-table td{padding:8px 10px;font-size:12px}.report-detail-table th{width:108px}.info-grid{grid-template-columns:1fr}.report-modal{width:95%;max-height:95vh}}@media (width<=560px){.report-admin-table{min-width:640px}.report-admin-table .col-report-type{display:none}}.coupon-admin-tabs{background:#f3f4f6;border-radius:10px;align-items:center;gap:8px;margin-bottom:20px;padding:4px;display:inline-flex}.coupon-admin-tab{color:#4b5563;cursor:pointer;background:0 0;border:0;border-radius:8px;padding:8px 14px;font-size:12px;font-weight:600;transition:all .15s}.coupon-admin-tab:hover{color:#111827;background:#e5e7eb}.coupon-admin-tab.active{color:#1f2937;background:#fff;box-shadow:0 1px 2px #0f172a1f}.coupon-modal{background:#fff;border-radius:12px;width:90%;max-width:600px;max-height:90vh;overflow-y:auto;box-shadow:0 20px 25px -5px #0000001a,0 10px 10px -5px #0000000a}.coupon-editor{padding:0}.coupon-editor-table{border-collapse:collapse;table-layout:fixed;width:100%}.coupon-editor-table th,.coupon-editor-table td{vertical-align:top;border:1px solid #e5e7eb;padding:10px 12px}.coupon-editor-table th{color:#475569;text-align:left;background:#f8fafc;width:130px;font-size:12px;font-weight:700}.coupon-editor-table td{background:#fff}.coupon-editor-checkbox{color:#1f2937;align-items:center;gap:8px;font-size:14px;display:inline-flex}.coupon-editor-checkbox input[type=checkbox]{margin:0}.form-text{color:#6b7280;margin-top:4px;font-size:12px;display:block}.admin-text-gray-500{color:#6b7280}.usage-logs-section{border-top:1px solid #e5e7eb;margin-top:32px;padding-top:24px}.usage-logs-section h3{color:#111827;margin:0 0 16px;font-size:18px;font-weight:600}.usage-search{align-items:center;gap:12px;margin-bottom:16px;display:flex}.usage-search input{flex:1;max-width:200px}.admin-badge.success{color:#fff;background:#10b981}.admin-badge.secondary{color:#fff;background:#6b7280}.admin-badge.info{color:#fff;background:#3b82f6}.admin-badge.warning{color:#fff;background:#f59e0b}.admin-badge.danger{color:#fff;background:#ef4444}@media (width<=768px){.coupon-admin-tabs{width:100%;display:flex}.coupon-admin-tab{text-align:center;flex:1}.coupon-editor-table th,.coupon-editor-table td{padding:8px 10px;font-size:12px}.coupon-editor-table th{width:104px}}.admin-layout{background:#f9fafb;min-height:100vh;display:flex}.admin-sidebar{background:#fff;border-right:1px solid #e5e7eb;flex-shrink:0;width:250px;box-shadow:0 1px 3px #0000001a}.admin-sidebar-header{background:#f9fafb;border-bottom:1px solid #e5e7eb;padding:20px}.admin-sidebar-header h3{color:#111827;margin:0;font-size:16px;font-weight:600}.admin-sidebar-nav{padding:16px 0}.admin-sidebar-item{text-align:left;cursor:pointer;color:#6b7280;background:0 0;border:none;align-items:center;gap:12px;width:100%;padding:12px 20px;font-size:14px;font-weight:500;transition:all .2s;display:flex}.admin-sidebar-item:hover{color:#374151;background:#f3f4f6}.admin-sidebar-item.active{color:#4338ca;background:#e0e7ff;border-right:3px solid #4338ca}.admin-sidebar-icon{text-align:center;width:20px;font-size:16px}.admin-sidebar-label{flex:1}.admin-content{flex:1;padding:24px;overflow-y:auto}@media (width<=768px){.admin-layout{flex-direction:column}.admin-sidebar{order:2;width:100%}.admin-content{order:1;padding:16px}.admin-sidebar-nav{padding:8px;display:flex;overflow-x:auto}.admin-sidebar-item{border-right:none;border-radius:6px;flex-shrink:0;margin-right:8px;padding:8px 16px}.admin-sidebar-item.active{border-right:none;border-radius:6px}}.admin-page-title{margin-bottom:18px;padding:4px 0}.admin-page-title__eyebrow{color:var(--brand-500);margin-bottom:8px;font-size:12px;font-weight:800;display:inline-block}.admin-page-title h1,.admin-page h1{color:var(--gray-900);text-align:left;margin:0;font-size:30px;font-weight:700}.admin-page-title p{color:var(--gray-600);margin:8px 0 0;font-size:15px}.admin-section{background:var(--white);border:1px solid var(--gray-200);border-radius:var(--radius-xl);box-shadow:none;padding:24px}.admin-header{align-items:flex-start;gap:16px}.admin-header h2{color:var(--gray-900);font-size:22px;line-height:1.25}.admin-header p{color:var(--gray-500);margin:6px 0 0;font-size:13px}.admin-controls{justify-content:flex-end;gap:10px;margin-bottom:0}.admin-form-inline{align-items:center;gap:8px;display:flex}.admin-controls .admin-form-control{margin-right:0}.admin-form-control,.admin-form-control.sm{border:1px solid var(--gray-200);border-radius:var(--radius-pill);background-color:var(--white);min-width:120px;height:38px;color:var(--gray-800);box-shadow:none;padding:0 12px;font-size:13px}.admin-form-control.sm.select,.admin-form-control.select{background-position:right 12px center;background-size:14px;padding-right:34px}.admin-form-control:focus{border-color:var(--brand-500);box-shadow:0 0 0 2px #0052ff1f}.admin-btn,.admin-btn.sm,.admin-btn.small{border-radius:var(--radius-pill);min-width:auto;height:38px;box-shadow:none;border:1px solid #0000;padding:0 16px;font-size:13px;font-weight:700;transition:background .16s,border-color .16s,color .16s}.admin-btn:hover{box-shadow:none;transform:none}.admin-btn:before,.admin-btn.primary:before,.admin-btn.success:before,.admin-btn.danger:before,.admin-btn.warning:before,.admin-btn.secondary:before{content:none}.admin-btn.primary,.admin-btn.success{background:var(--brand-500);border-color:var(--brand-500);color:var(--white)}.admin-btn.primary:hover,.admin-btn.success:hover{background:var(--brand-700);border-color:var(--brand-700)}.admin-btn.secondary{background:var(--gray-100);border-color:var(--gray-100);color:var(--gray-900)}.admin-btn.secondary:hover{background:var(--gray-200);border-color:var(--gray-200)}.admin-btn.danger{background:var(--danger-500);border-color:var(--danger-500);color:var(--white)}.admin-table{border-collapse:separate;border-spacing:0;margin-top:0}.admin-table th,.admin-table td{border-bottom:1px solid var(--gray-200);color:var(--gray-800);vertical-align:middle;padding:13px 12px;font-size:13px}.admin-table th{z-index:1;background:var(--gray-50);color:var(--gray-600);font-size:12px;font-weight:800;position:sticky;top:0}.admin-table tr:hover{background:#fbfcff}.admin-badge{border-radius:var(--radius-pill);letter-spacing:0;text-transform:none;white-space:nowrap;border:1px solid #0000;justify-content:center;align-items:center;min-height:24px;padding:3px 9px;font-size:12px;font-weight:800;display:inline-flex}.admin-badge.success{color:var(--success-500);background:#eefbf5;border-color:#05b16947}.admin-badge.danger{color:var(--danger-500);background:#fff1f2;border-color:#cf202f3d}.admin-badge.warning,.admin-badge.info{background:var(--brand-50);color:var(--brand-500);border-color:#0052ff3d}.admin-badge.secondary{border-color:var(--gray-200);background:var(--gray-100);color:var(--gray-700)}.users-stats{border:1px solid var(--gray-200);border-radius:var(--radius-lg);background:var(--gray-50);color:var(--gray-600);justify-content:space-between;align-items:center;gap:12px;margin-bottom:14px;padding:12px 14px;font-size:13px;display:flex}.user-management-panel__header{grid-template-columns:minmax(180px,.7fr) minmax(520px,1.3fr);display:grid}.user-management-controls{justify-items:end;display:grid}.user-management-controls__group{flex-wrap:wrap;justify-content:flex-end}.user-admin-table-wrap{border:1px solid var(--gray-200);border-radius:var(--radius-lg);background:var(--white)}.user-admin-table{min-width:1120px}.user-admin-table .col-user{width:250px}.user-admin-table .col-email{width:260px}.user-admin-table .col-role,.user-admin-table .col-plan{width:110px}.user-admin-table .col-exams,.user-admin-table .col-score{width:100px}.user-admin-table .col-login{width:180px}.user-cell{min-width:0}.user-cell__meta strong{color:var(--gray-900);font-size:14px}.user-avatar{border-radius:var(--radius-pill);background:var(--brand-500);flex:none;width:34px;height:34px;position:relative;overflow:hidden}.user-avatar.large{width:52px;height:52px}.avatar-placeholder{width:100%;height:100%;color:var(--white);place-items:center;font-weight:800;display:grid}.admin-empty-cell{text-align:center!important;color:var(--gray-500)!important;padding:36px 12px!important}.admin-pagination{border:1px solid var(--gray-200);border-radius:var(--radius-lg);background:var(--gray-50);margin-top:16px;padding:12px}.user-edit-modal-overlay{background:#0a0b0d9e}.user-edit-modal{border:1px solid var(--gray-200);border-radius:var(--radius-xl);box-shadow:var(--shadow-lg)}.user-edit-modal__header,.user-edit-modal__footer{background:var(--white);border-color:var(--gray-200)}.user-edit-modal__close{border:1px solid var(--gray-200);border-radius:var(--radius-pill);background:var(--gray-100);width:auto;height:34px;min-height:34px;color:var(--gray-700);white-space:nowrap;justify-content:center;align-items:center;padding:0 12px;font-size:13px;font-weight:700;display:inline-flex}.question-bank-panel>.admin-page--embedded,.question-management-panel,.admin-page--question-bank .admin-section .admin-section{background:0 0;border:0;border-radius:0;padding:0}.question-management-panel__header{grid-template-columns:minmax(220px,.6fr) minmax(620px,1.4fr);display:grid}.question-management-controls{justify-items:end;display:grid}.question-management-controls__group{flex-wrap:wrap;justify-content:flex-end}.bulk-actions{justify-content:flex-end;gap:8px;margin:0 0 14px;display:flex}.questions-stats{border:1px solid var(--gray-200);border-radius:var(--radius-lg);background:var(--gray-50);color:var(--gray-600);justify-content:space-between;align-items:center;gap:12px;margin-bottom:14px;padding:12px 14px;font-size:13px;display:flex}.question-admin-table-wrap,.exam-type-table-wrap{border:1px solid var(--gray-200);border-radius:var(--radius-lg);background:var(--white)}.question-admin-table{min-width:1080px}.question-admin-table .col-question-id{width:96px}.question-admin-table .col-question-text{width:460px}.question-admin-table .col-option-count{text-align:center;width:90px}.question-admin-table .col-correct-answer{width:110px}.question-admin-table .col-question-meta{width:96px}.question-admin-table .col-validated{text-align:center;width:100px}.question-admin-table .col-question-action{text-align:center;width:170px}.question-text-cell{white-space:normal;-webkit-line-clamp:2;word-break:keep-all;overflow-wrap:anywhere;-webkit-box-orient:vertical;line-height:1.45;display:-webkit-box;overflow:hidden}.question-id-badge{text-overflow:ellipsis;max-width:72px;overflow:hidden}.question-admin-table .col-question-action .admin-flex{flex-wrap:nowrap;justify-content:center}.question-admin-table .col-question-action .admin-btn.sm{height:34px;padding:0 12px}.question-meta-icon{border-radius:var(--radius-pill);border:1px solid var(--gray-200);background:var(--gray-100);width:26px;height:26px;color:var(--gray-700);place-items:center;font-size:13px;font-weight:800;line-height:1;display:inline-grid}.question-meta-icon--explanation{background:var(--brand-50);color:var(--brand-500);border-color:#0052ff3d}.question-meta-icon--reasoning{color:#8a6400;background:#fff8df;border-color:#f4b00057}.question-meta-icon--keywords{color:var(--success-500);background:#eefbf5;border-color:#05b16947}.correct-answers,.recommended-answers,.admin-flex{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.exam-type-table{min-width:1120px}.exam-type-cell__meta strong{color:var(--gray-900);font-size:14px}.exam-type-cell__meta span{color:var(--gray-600)}.examtype-icon{border-radius:var(--radius-pill);background:var(--gray-900);width:36px;height:36px;color:var(--white);flex:none;place-items:center;font-size:10px;font-weight:800;display:grid;overflow:hidden}.examtype-icon img{object-fit:cover;width:100%;height:100%}.exam-type-table code{border:1px solid var(--gray-200);border-radius:var(--radius-pill);background:var(--gray-100);color:var(--gray-800);padding:4px 8px;font-size:12px}.question-edit-modal-overlay,.question-ai-modal-overlay,.question-action-modal-overlay,.exam-type-modal-overlay{background:#0a0b0d9e}.question-edit-modal,.question-ai-modal,.question-action-modal,.exam-type-modal{border:1px solid var(--gray-200);border-radius:var(--radius-xl);box-shadow:var(--shadow-lg)}.question-edit-modal__header,.question-edit-modal__footer,.question-ai-modal__header,.question-ai-modal__footer,.exam-type-modal__header,.exam-type-modal__footer{background:var(--white);border-color:var(--gray-200)}.question-edit-modal__close,.question-ai-modal__close,.exam-type-modal__close{border:1px solid var(--gray-200);border-radius:var(--radius-pill);background:var(--gray-100);width:auto;min-width:0;height:34px;color:var(--gray-700);white-space:nowrap;justify-content:center;align-items:center;padding:0 12px;font-size:13px;font-weight:700;display:inline-flex}.question-editor .admin-form-control,.exam-type-editor .admin-form-control{border-radius:var(--radius-md);width:100%;min-height:42px}.question-editor textarea.admin-form-control,.exam-type-editor textarea.admin-form-control{height:auto;min-height:84px;padding:10px 12px;line-height:1.5}.option-item,.allowed-user-item,.keyword-tag{border:1px solid var(--gray-200);border-radius:var(--radius-md);background:var(--gray-50)}.keyword-tag{align-items:center;gap:6px;padding:5px 8px;display:inline-flex}.keyword-tag button,.remove-user-btn{border-radius:var(--radius-pill);background:var(--gray-200);color:var(--gray-700);border:0;font-size:12px;font-weight:700}.coupon-management-panel{gap:20px;display:grid}.coupon-admin-tabs{border:1px solid var(--gray-200);border-radius:var(--radius-lg);background:var(--gray-100);gap:4px;width:fit-content;padding:4px;display:inline-flex}.coupon-admin-tab{border-radius:var(--radius-md);height:34px;color:var(--gray-600);cursor:pointer;background:0 0;border:0;padding:0 14px;font-size:13px;font-weight:800}.coupon-admin-tab.active{background:var(--white);color:var(--gray-900);box-shadow:var(--shadow-sm)}.coupon-management-panel__header{grid-template-columns:minmax(220px,.8fr) minmax(360px,1.2fr);display:grid}.coupon-management-controls{justify-content:flex-end;align-items:flex-start;display:flex}.coupon-management-controls__group{flex-wrap:wrap;justify-content:flex-end}.coupons-stats{border:1px solid var(--gray-200);border-radius:var(--radius-lg);background:var(--gray-50);color:var(--gray-600);justify-content:space-between;align-items:center;gap:12px;padding:12px 14px;font-size:13px;display:flex}.coupon-admin-table-wrap{border:1px solid var(--gray-200);border-radius:var(--radius-lg);background:var(--white);overflow-x:auto}.coupon-admin-table{table-layout:fixed;min-width:1040px}.coupon-admin-table .col-coupon-name{width:240px}.coupon-admin-table .col-coupon-code{width:230px}.coupon-admin-table .col-coupon-exam{width:180px}.coupon-admin-table .col-coupon-uses{text-align:center;width:92px}.coupon-admin-table .col-coupon-expiry{width:110px}.coupon-admin-table .col-coupon-status{text-align:center;width:90px}.coupon-admin-table .col-coupon-action{text-align:center;width:210px}.coupon-name-cell{gap:4px;min-width:0;display:grid}.coupon-name-cell strong{color:var(--gray-900);font-size:14px}.coupon-name-cell span{color:var(--gray-500);text-overflow:ellipsis;white-space:nowrap;font-size:12px;line-height:1.35;overflow:hidden}.coupon-code-badge,.coupon-exam-badge{text-overflow:ellipsis;max-width:100%;overflow:hidden}.coupon-usage-count{border:1px solid var(--gray-200);border-radius:var(--radius-pill);background:var(--gray-100);min-width:58px;min-height:26px;color:var(--gray-800);justify-content:center;align-items:center;padding:0 8px;font-size:12px;font-weight:800;display:inline-flex}.coupon-admin-table .col-coupon-action .admin-flex{flex-wrap:nowrap;justify-content:center}.coupon-admin-table .col-coupon-action .admin-btn.sm{height:34px;padding:0 12px}.coupon-log-table{min-width:760px}.coupon-modal-overlay{z-index:1000;background:#0a0b0d9e;justify-content:center;align-items:center;padding:24px;display:flex;position:fixed;inset:0}.coupon-modal{border:1px solid var(--gray-200);border-radius:var(--radius-xl);background:var(--white);width:min(640px,100%);max-height:calc(100vh - 48px);box-shadow:var(--shadow-lg);overflow:hidden}.coupon-modal__header,.coupon-modal__footer{border-bottom:1px solid var(--gray-200);background:var(--white);justify-content:space-between;align-items:center;gap:12px;padding:18px 20px;display:flex}.coupon-modal__footer{border-top:1px solid var(--gray-200);border-bottom:0;justify-content:flex-end}.coupon-modal__header h3{color:var(--gray-900);margin:0;font-size:18px;font-weight:800}.coupon-modal__close{border:1px solid var(--gray-200);border-radius:var(--radius-pill);background:var(--gray-100);width:auto;min-width:0;height:34px;color:var(--gray-700);cursor:pointer;padding:0 12px;font-size:13px;font-weight:700}.coupon-modal__body{max-height:calc(100vh - 190px);padding:20px;overflow-y:auto}.coupon-editor{gap:16px;display:grid}.coupon-editor .admin-form-control{border-radius:var(--radius-md);width:100%;min-height:42px}.coupon-editor textarea.admin-form-control{height:auto;min-height:82px;padding:10px 12px;line-height:1.5}.report-management-panel{gap:20px;display:grid}.report-management-panel__header{grid-template-columns:minmax(240px,.75fr) minmax(360px,1.25fr);display:grid}.report-management-controls{justify-content:flex-end;align-items:flex-start;display:flex}.report-management-controls__group{flex-wrap:wrap;justify-content:flex-end}.reports-stats{border:1px solid var(--gray-200);border-radius:var(--radius-lg);background:var(--gray-50);color:var(--gray-600);justify-content:space-between;align-items:center;gap:12px;margin-bottom:0;padding:12px 14px;font-size:13px;display:flex}.report-admin-table-wrap{border:1px solid var(--gray-200);border-radius:var(--radius-lg);background:var(--white);overflow-x:auto}.report-admin-table{table-layout:fixed;min-width:1040px}.report-admin-table .col-report-id{width:76px}.report-admin-table .col-report-type{width:120px}.report-admin-table .col-report-author,.report-admin-table .col-report-question{width:116px}.report-admin-table .col-report-content{width:300px}.report-admin-table .col-report-status{text-align:center;width:86px}.report-admin-table .col-report-date{width:100px}.report-admin-table .col-report-action{text-align:center;width:190px}.report-id-badge{text-overflow:ellipsis;max-width:72px;overflow:hidden}.report-type-chip{border:1px solid var(--gray-200);border-radius:var(--radius-pill);background:var(--gray-100);max-width:100%;min-height:26px;color:var(--gray-800);white-space:nowrap;align-items:center;gap:6px;padding:4px 8px;font-size:12px;font-weight:800;display:inline-flex}.report-type-chip__icon{color:var(--brand-500);justify-content:center;align-items:center;font-size:14px;display:inline-flex}.report-question-cell{color:var(--gray-600);gap:3px;font-size:12px;line-height:1.35;display:grid}.report-content-cell{-webkit-line-clamp:2;color:var(--gray-800);word-break:keep-all;overflow-wrap:anywhere;-webkit-box-orient:vertical;line-height:1.45;display:-webkit-box;overflow:hidden}.report-admin-table .col-report-action .admin-flex{flex-wrap:nowrap;justify-content:center}.report-admin-table .col-report-action .admin-btn.sm{height:34px;padding:0 12px}.report-detail-modal-overlay{z-index:1000;background:#0a0b0d9e;justify-content:center;align-items:center;padding:24px;display:flex;position:fixed;inset:0}.report-detail-modal{border:1px solid var(--gray-200);border-radius:var(--radius-xl);background:var(--white);width:min(820px,100%);max-height:calc(100vh - 48px);box-shadow:var(--shadow-lg);overflow:hidden}.report-detail-modal__header,.report-detail-modal__footer{border-bottom:1px solid var(--gray-200);background:var(--white);justify-content:space-between;align-items:center;gap:12px;padding:18px 20px;display:flex}.report-detail-modal__footer{border-top:1px solid var(--gray-200);border-bottom:0;justify-content:flex-end}.report-detail-modal__header h3{color:var(--gray-900);margin:0;font-size:18px;font-weight:800}.report-detail-modal__close{border:1px solid var(--gray-200);border-radius:var(--radius-pill);background:var(--gray-100);width:auto;min-width:0;height:34px;color:var(--gray-700);cursor:pointer;padding:0 12px;font-size:13px;font-weight:700}.report-detail-modal__body{max-height:calc(100vh - 190px);padding:20px;overflow-y:auto}.report-detail-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;display:grid}.report-detail-field{border:1px solid var(--gray-200);border-radius:var(--radius-lg);background:var(--gray-50);gap:6px;padding:12px;display:grid}.report-detail-field span{color:var(--gray-500);font-size:12px;font-weight:700}.report-detail-field strong{color:var(--gray-900);overflow-wrap:anywhere;font-size:13px;font-weight:700}.report-detail-section{gap:8px;margin-top:18px;display:grid}.report-detail-section h4{color:var(--gray-900);margin:0;font-size:14px;font-weight:800}.report-detail-box{border:1px solid var(--gray-200);border-radius:var(--radius-lg);background:var(--gray-50);min-height:48px;color:var(--gray-800);white-space:pre-wrap;padding:12px;font-size:13px;line-height:1.55}:is(body:has(.modal-overlay),body:has(.user-edit-modal-overlay),body:has(.question-edit-modal-overlay),body:has(.question-ai-modal-overlay),body:has(.question-action-modal-overlay),body:has(.exam-type-modal-overlay),body:has(.coupon-modal-overlay),body:has(.report-detail-modal-overlay),body:has(.report-action-modal-overlay),body:has(.session-modal)){overflow:hidden}:where(.modal-overlay,.user-edit-modal-overlay,.question-edit-modal-overlay,.question-ai-modal-overlay,.question-action-modal-overlay,.exam-type-modal-overlay,.coupon-modal-overlay,.report-detail-modal-overlay,.report-action-modal-overlay){z-index:2000;overscroll-behavior:contain;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);background:#0a0b0d9e;justify-content:center;align-items:center;padding:24px;display:flex;position:fixed;inset:0;overflow-y:auto}:where(.user-modal,.coupon-modal,.user-edit-modal,.question-edit-modal,.question-ai-modal,.question-action-modal,.exam-type-modal,.report-detail-modal,.session-modal,.report-action-modal){width:min(var(--modal-width,720px), calc(100vw - 48px));border:1px solid var(--gray-200);border-radius:var(--radius-xl);background:var(--white);flex-direction:column;max-height:min(860px,100dvh - 48px);display:flex;overflow:hidden;box-shadow:0 30px 70px #0a0b0d3d}.user-edit-modal,.coupon-modal{--modal-width:640px}.question-ai-modal{--modal-width:680px}.question-action-modal,.report-action-modal{--modal-width:440px}.question-edit-modal,.exam-type-modal{--modal-width:920px}.report-detail-modal{--modal-width:820px}.session-modal{--modal-width:780px}:where(.modal-header,.user-edit-modal__header,.question-edit-modal__header,.question-ai-modal__header,.exam-type-modal__header,.coupon-modal__header,.report-detail-modal__header){border-bottom:1px solid var(--gray-200);background:var(--white);flex:none;justify-content:space-between;align-items:center;gap:12px;padding:18px 20px;display:flex}:where(.modal-header h3,.user-edit-modal__header h3,.question-edit-modal__header h3,.question-ai-modal__header h3,.exam-type-modal__header h3,.coupon-modal__header h3,.report-detail-modal__header h3){color:var(--gray-900);letter-spacing:0;margin:0;font-size:18px;font-weight:800}:where(.modal-close,.user-edit-modal__close,.question-edit-modal__close,.question-ai-modal__close,.exam-type-modal__close,.coupon-modal__close,.report-detail-modal__close){border:1px solid var(--gray-200);border-radius:var(--radius-pill);background:var(--gray-100);width:auto;min-width:0;height:34px;color:var(--gray-700);cursor:pointer;white-space:nowrap;flex:none;justify-content:center;align-items:center;padding:0 12px;font-size:13px;font-weight:700;line-height:1;display:inline-flex}:where(.modal-close,.user-edit-modal__close,.question-edit-modal__close,.question-ai-modal__close,.exam-type-modal__close,.coupon-modal__close,.report-detail-modal__close):hover{border-color:var(--gray-300);background:var(--gray-200);color:var(--gray-900)}:where(.modal-body,.user-edit-modal__body,.question-edit-modal__body,.question-ai-modal__body,.exam-type-modal__body,.coupon-modal__body,.report-detail-modal__body){background:var(--white);flex:auto;min-height:0;padding:20px;overflow-y:auto}:where(.modal-footer,.user-edit-modal__footer,.question-edit-modal__footer,.question-ai-modal__footer,.exam-type-modal__footer,.coupon-modal__footer,.report-detail-modal__footer,.question-action-modal__footer,.report-action-modal__footer){border-top:1px solid var(--gray-200);background:var(--gray-50);flex:none;justify-content:flex-end;align-items:center;gap:8px;padding:16px 20px;display:flex}.question-action-modal,.report-action-modal{padding:20px}.user-edit-modal,.coupon-modal{width:min(640px,100vw - 48px)}.question-ai-modal{width:min(680px,100vw - 48px)}.question-action-modal,.report-action-modal{width:min(440px,100vw - 48px)}.question-edit-modal,.exam-type-modal{width:min(920px,100vw - 48px)}.report-detail-modal{width:min(820px,100vw - 48px)}.session-modal{width:min(780px,100vw - 48px)}.question-editor{gap:18px;display:grid}.question-editor .options-editor{gap:12px;display:grid}.question-editor .option-item{grid-template-columns:minmax(0,1fr);gap:10px;margin:0;padding:12px;display:grid}.question-editor .option-header{justify-content:space-between;align-items:center;gap:10px;display:flex}.question-editor .option-header label{min-width:0;color:var(--gray-800);white-space:nowrap;align-items:center;gap:6px;font-size:13px;font-weight:700;line-height:1.2;display:inline-flex}.question-editor .option-header input[type=checkbox]{flex:none;margin:0}.question-editor .option-header .admin-btn.sm{flex:none;height:30px;padding:0 10px}.question-editor .option-item textarea.admin-form-control{min-height:72px}.exam-monitoring-panel{gap:20px;display:grid}.exam-monitoring-panel__header{grid-template-columns:minmax(240px,1fr) auto;display:grid}.exam-monitoring-controls{justify-content:flex-end;display:flex}.exam-monitoring-controls__group{flex-wrap:wrap;justify-content:flex-end}.sessions-stats{border:1px solid var(--gray-200);border-radius:var(--radius-lg);background:var(--gray-50);color:var(--gray-600);justify-content:space-between;align-items:center;gap:12px;padding:12px 14px;font-size:13px;display:flex}.exam-monitoring-table-wrap{border:1px solid var(--gray-200);border-radius:var(--radius-lg);background:var(--white);overflow-x:auto}.exam-monitoring-table{table-layout:fixed;min-width:1120px}.exam-monitoring-table .col-session-id{width:100px}.exam-monitoring-table .col-session-user{width:220px}.exam-monitoring-table .col-session-exam{width:130px}.exam-monitoring-table .col-session-status{text-align:center;width:92px}.exam-monitoring-table .col-session-progress{width:150px}.exam-monitoring-table .col-session-score{text-align:center;width:86px}.exam-monitoring-table .col-session-started{width:180px}.exam-monitoring-table .col-session-action{text-align:center;width:190px}.session-id-badge,.session-user-cell{text-overflow:ellipsis;max-width:100%;overflow:hidden}.session-user-cell{white-space:nowrap;display:block}.session-progress-cell{gap:3px;display:grid}.session-progress-cell small{color:var(--gray-500);font-size:11px;line-height:1.3}.exam-monitoring-table .col-session-action .admin-flex{flex-wrap:nowrap;justify-content:center}.exam-monitoring-table .col-session-action .admin-btn.sm{height:34px;padding:0 12px}.session-modal--loading{--modal-width:420px}.session-detail-id{border:1px solid var(--gray-200);border-radius:var(--radius-lg);background:var(--gray-50);color:var(--gray-600);overflow-wrap:anywhere;margin-bottom:16px;padding:10px 12px;font-size:12px}.session-detail-section{gap:12px;margin-top:18px;display:grid}.session-detail-section:first-of-type{margin-top:0}.session-detail-section h4{color:var(--gray-900);margin:0;font-size:15px;font-weight:800}.session-detail-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;display:grid}.session-detail-item{border:1px solid var(--gray-200);border-radius:var(--radius-lg);background:var(--gray-50);gap:6px;min-width:0;padding:12px;display:grid}.session-detail-item span{color:var(--gray-500);font-size:12px;font-weight:700}.session-detail-item strong{color:var(--gray-900);overflow-wrap:anywhere;font-size:13px;font-weight:700}@media (width<=768px){:where(.modal-overlay,.user-edit-modal-overlay,.question-edit-modal-overlay,.question-ai-modal-overlay,.question-action-modal-overlay,.exam-type-modal-overlay,.coupon-modal-overlay,.report-detail-modal-overlay,.report-action-modal-overlay){align-items:flex-start;padding:12px}:where(.user-modal,.coupon-modal,.user-edit-modal,.question-edit-modal,.question-ai-modal,.question-action-modal,.exam-type-modal,.report-detail-modal,.report-action-modal,.session-modal){border-radius:var(--radius-lg);width:100%;max-height:calc(100dvh - 24px)}:where(.modal-footer,.user-edit-modal__footer,.question-edit-modal__footer,.question-ai-modal__footer,.exam-type-modal__footer,.coupon-modal__footer,.report-detail-modal__footer,.question-action-modal__footer,.report-action-modal__footer){flex-direction:column-reverse;align-items:stretch}.session-detail-grid{grid-template-columns:1fr}}@media (width<=1180px){.question-management-panel__header{grid-template-columns:1fr}.question-management-controls{justify-items:stretch}.question-management-controls__group,.bulk-actions{justify-content:flex-start}.user-management-panel__header{grid-template-columns:1fr}.user-management-controls{justify-items:stretch}.user-management-controls__group{justify-content:flex-start}}@media (width<=768px){.admin-page{padding:14px}.admin-section{padding:16px}.admin-header{display:grid}.admin-form-inline{grid-template-columns:1fr;width:100%;display:grid}.admin-form-control,.admin-form-control.sm,.admin-btn,.admin-btn.sm{width:100%;height:42px}.users-stats{display:grid}}.admin-page{background:#f8fafc;max-width:1400px;min-height:100vh;margin:0 auto;padding:20px}.admin-page>.admin-header{background:#fff;border:1px solid #e5e7eb;border-radius:12px;margin-bottom:30px;padding:30px;box-shadow:0 4px 6px -1px #0000001a}.admin-page>.admin-header h1{color:#111827;background:linear-gradient(135deg,#4f46e5,#7c3aed);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin:0 0 20px;font-size:2.5rem;font-weight:700}.admin-tabs{background:#f3f4f6;border:1px solid #e5e7eb;border-radius:12px;gap:4px;padding:4px;display:flex}.admin-tabs button{cursor:pointer;color:#6b7280;background:0 0;border:none;border-radius:8px;padding:12px 20px;font-size:12px;font-weight:500;transition:all .3s}.admin-tabs button.active{color:#4f46e5;background:#fff;font-weight:600;transform:translateY(-2px);box-shadow:0 1px 3px #0000001a}.admin-tabs button:hover:not(.active){color:#4f46e5;background:#fff;transform:translateY(-1px);box-shadow:0 1px 2px #0000000d}.access-denied{text-align:center;background:#fff;border:1px solid #e5e7eb;border-radius:12px;margin-top:60px;padding:60px;box-shadow:0 4px 6px -1px #0000001a}.access-denied h2{color:#ef4444;margin-bottom:20px;font-size:2rem}.access-denied p{color:#6b7280;font-size:14px}.loading{color:#6b7280;background:#fff;border-radius:12px;justify-content:center;align-items:center;margin:20px 0;padding:30px;font-size:14px;display:flex;box-shadow:0 1px 3px #0000001a}.users-stats{color:#6b7280;background:#f9fafb;border-radius:8px;justify-content:space-between;align-items:center;margin-bottom:20px;padding:12px;font-size:11px;display:flex}.user-avatar{color:#fff;background:#4f46e5;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;font-size:16px;font-weight:600;display:flex;overflow:hidden}.user-avatar img{object-fit:cover;width:100%;height:100%}.avatar-placeholder{color:#fff;background:linear-gradient(135deg,#4f46e5,#7c3aed);justify-content:center;align-items:center;width:100%;height:100%;font-size:16px;font-weight:600;display:flex}.user-detail-modal{width:100%;max-width:1400px;max-height:98vh;overflow-y:auto}.modal-header{color:#fff;background:linear-gradient(135deg,#4f46e5 0%,#7c3aed 100%);border-bottom:1px solid #eee;border-radius:12px 12px 0 0;justify-content:space-between;align-items:center;padding:20px 30px;display:flex}.modal-header h3{margin:0;font-size:20px}.close-btn{color:#fff;cursor:pointer;background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;width:30px;height:30px;padding:0;font-size:24px;transition:background .2s;display:flex}.close-btn:hover{background:#fff3}.user-detail-content{padding:30px}.user-avatar-section{background:#f9fafb;border:1px solid #e5e7eb;border-radius:12px;align-items:center;gap:40px;margin-bottom:60px;padding:40px;display:flex}.user-detail-avatar{flex-shrink:0}.user-detail-avatar .avatar-placeholder{width:100px;height:100px;font-size:2.5rem}.user-basic-info h4{color:#111827;margin:0 0 8px;font-size:1.75rem;font-weight:600}.user-basic-info p{color:#6b7280;margin:0;font-size:14px}.user-info-table{background:#fff;border:1px solid #e5e7eb;border-radius:12px;overflow:hidden}.info-row{border-bottom:1px solid #e5e7eb;transition:background-color .2s;display:flex}.info-row:last-child{border-bottom:none}.info-row:hover{background:#f9fafb}.info-label{text-align:center;color:#374151;background:#f3f4f6;border-right:1px solid #e5e7eb;flex:0 0 120px;align-items:center;padding:30px 40px;font-size:14px;font-weight:600;display:flex}.info-value{color:#111827;flex:1;align-items:center;min-height:70px;padding:30px 40px;font-size:14px;display:flex}.admin-checkbox{cursor:pointer;border-radius:8px;align-items:center;gap:16px;padding:16px;transition:all .2s;display:flex}.admin-checkbox:hover{background:#f3f4f6}.admin-checkbox input[type=checkbox]{cursor:pointer;accent-color:#4f46e5;width:22px;height:22px;margin:0}.checkbox-label{color:#374151;font-size:14px;font-weight:500}@media (width<=768px){.admin-page{padding:10px}.admin-tabs{flex-wrap:wrap;gap:2px}.admin-tabs button{padding:8px 12px;font-size:10px}.user-avatar{width:32px;height:32px;font-size:14px}.modal-header{padding:15px 20px}.user-detail-content{padding:20px}.user-avatar-section{text-align:center;flex-direction:column;gap:20px;padding:20px}.info-label{flex:0 0 80px;padding:20px 15px;font-size:11px}.info-value{padding:20px 15px;font-size:11px}}.examtype-icon{filter:drop-shadow(0 2px 4px #0000001a);justify-content:center;align-items:center;width:32px;height:32px;display:flex}.examtype-icon img{object-fit:contain;border-radius:4px;width:100%;height:100%}.examtype-icon span{font-size:1.5rem}.modal-overlay{z-index:1000;background:#00000080;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.session-modal{background:#fff;border-radius:12px;width:100%;max-width:800px;max-height:90vh;overflow:hidden;box-shadow:0 20px 25px -5px #0000001a,0 10px 10px -5px #0000000a}.modal-header{color:#fff;background:linear-gradient(135deg,#4f46e5,#7c3aed);justify-content:space-between;align-items:center;padding:20px 30px;display:flex}.modal-header h3{margin:0;font-size:1.5rem;font-weight:600}.modal-close{color:#fff;cursor:pointer;background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;width:35px;height:35px;padding:5px;font-size:24px;transition:background .2s;display:flex}.modal-close:hover{background:#fff3}.session-id-info{background:#f8fafc;border-bottom:1px solid #e5e7eb;padding:10px 30px}.session-id-info small{color:#6b7280;font-family:monospace;font-size:12px}.modal-body{max-height:60vh;padding:30px;overflow-y:auto}.info-section{margin-bottom:30px}.info-section h4{color:#111827;border-bottom:2px solid #e5e7eb;margin:0 0 20px;padding-bottom:10px;font-size:1.2rem;font-weight:600}.info-grid{grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:15px;display:grid}.info-item{flex-direction:column;gap:5px;display:flex}.info-item label{color:#374151;font-size:14px;font-weight:600}.info-item span{color:#6b7280;font-size:14px}.status-badge{text-transform:uppercase;border-radius:20px;padding:4px 12px;font-size:12px;font-weight:500;display:inline-block}.status-badge.active{color:#1e40af;background:#dbeafe}.status-badge.completed{color:#166534;background:#dcfce7}.status-badge.paused{color:#92400e;background:#fef3c7}.status-badge.abandoned{color:#dc2626;background:#fee2e2}.score-item{grid-column:1/-1}.score-value{color:#059669;font-size:1.5rem;font-weight:700}.questions-grid{grid-template-columns:repeat(auto-fill,minmax(50px,1fr));gap:8px;margin-top:15px;display:grid}.question-item{background:#fff;border:2px solid #e5e7eb;border-radius:8px;flex-direction:column;align-items:center;padding:8px;transition:all .2s;display:flex}.question-item.correct{background:#ecfdf5;border-color:#10b981}.question-item.incorrect{background:#fef2f2;border-color:#ef4444}.question-item.unanswered{background:#f9fafb;border-color:#d1d5db}.q-num{color:#374151;font-size:12px;font-weight:600}.q-status{margin-top:2px;font-size:14px;font-weight:700}.question-item.correct .q-status{color:#10b981}.question-item.incorrect .q-status{color:#ef4444}.question-item.unanswered .q-status{color:#9ca3af}.more-questions{text-align:center;color:#6b7280;background:#f9fafb;border:1px dashed #d1d5db;border-radius:8px;grid-column:1/-1;padding:15px;font-size:14px}.modal-footer{background:#f8fafc;border-top:1px solid #e5e7eb;justify-content:flex-end;gap:10px;padding:20px 30px;display:flex}.btn{cursor:pointer;border:none;border-radius:8px;padding:10px 20px;font-size:14px;font-weight:500;transition:all .2s}.btn-primary{color:#fff;background:#4f46e5}.btn-primary:hover{background:#4338ca}.btn-danger{color:#fff;background:#ef4444}.btn-danger:hover{background:#dc2626}.btn-secondary{color:#fff;background:#6b7280}.btn-secondary:hover{background:#4b5563}@media (width<=768px){.modal-overlay{padding:10px}.session-modal{max-height:95vh}.modal-header{padding:15px 20px}.modal-body{padding:20px}.info-grid{grid-template-columns:1fr}.questions-grid{grid-template-columns:repeat(auto-fill,minmax(40px,1fr));gap:6px}.modal-footer{flex-direction:column;padding:15px 20px}.btn{width:100%}}.analytics-v2{max-width:1420px}.analytics-v2__header{align-items:flex-start;gap:16px}.analytics-v2__subtitle{color:#64748b;margin:8px 0 0;font-size:13px}.analytics-v2__subtitle span{color:#0f172a;margin-left:8px;font-weight:600}.analytics-v2__tabs{background:#eef2ff;border:1px solid #dbe4ff;border-radius:10px;margin-bottom:20px;padding:4px;display:inline-flex}.analytics-v2__tab{color:#475569;cursor:pointer;background:0 0;border:0;border-radius:8px;padding:8px 14px;font-size:12px;font-weight:600;transition:all .15s}.analytics-v2__tab:hover{color:#1e293b;background:#dbe4ff}.analytics-v2__tab.active{color:#334155;background:#fff;box-shadow:0 1px 2px #0f172a1a}.analytics-v2__kpi-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-bottom:20px;display:grid}.analytics-v2__kpi-card{background:#fff;border:1px solid #e2e8f0;border-radius:12px;align-items:center;gap:12px;padding:14px;display:flex;box-shadow:0 12px 22px #0f172a0d}.analytics-v2__kpi-icon{color:#fff;border-radius:10px;justify-content:center;align-items:center;width:40px;height:40px;font-size:18px;display:inline-flex}.analytics-v2__kpi-icon.blue{background:linear-gradient(135deg,#465fff,#6172f3)}.analytics-v2__kpi-icon.green{background:linear-gradient(135deg,#10b981,#34d399)}.analytics-v2__kpi-icon.amber{background:linear-gradient(135deg,#f59e0b,#fbbf24)}.analytics-v2__kpi-icon.violet{background:linear-gradient(135deg,#8b5cf6,#a78bfa)}.analytics-v2__kpi-card p{color:#64748b;margin:0;font-size:12px;font-weight:600}.analytics-v2__kpi-card h3{color:#0f172a;margin:2px 0 0;font-size:24px;line-height:1.1}.analytics-v2__kpi-card small{color:#475569;margin-top:2px;font-size:11px;display:block}.analytics-v2__grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;display:grid}.analytics-v2__grid--overview{grid-template-columns:minmax(0,1.6fr) minmax(0,1fr)}.analytics-v2__panel{background:#fff;border:1px solid #e2e8f0;border-radius:12px;min-height:300px;padding:14px;box-shadow:0 12px 22px #0f172a0d}.analytics-v2__panel--full{grid-column:1/-1;min-height:auto}.analytics-v2__panel header{justify-content:space-between;align-items:baseline;gap:8px;margin-bottom:10px;display:flex}.analytics-v2__panel header h3{color:#0f172a;margin:0;font-size:15px;font-weight:700}.analytics-v2__panel header span{color:#64748b;font-size:11px;font-weight:600}.analytics-v2__chart-wrap{min-height:290px}.analytics-v2__empty{color:#64748b;border:1px dashed #cbd5e1;border-radius:10px;place-items:center;min-height:280px;font-size:13px;display:grid}.analytics-v2__system-list{gap:10px;margin-top:6px;display:grid}.analytics-v2__system-list div{background:#f8fafc;border:1px solid #e2e8f0;border-radius:10px;grid-template-columns:24px 1fr auto;align-items:center;gap:10px;padding:12px;display:grid}.analytics-v2__system-list svg{color:#465fff;font-size:16px}.analytics-v2__system-list span{color:#475569;font-size:12px;font-weight:600}.analytics-v2__system-list strong{color:#0f172a;font-size:13px}.analytics-v2__table-wrap{overflow-x:auto}.analytics-v2__table-wrap .admin-table{margin-top:0}.analytics-v2__legend-metrics{color:#475569;justify-content:center;gap:14px;margin-top:-2px;font-size:12px;font-weight:600;display:flex}.analytics-v2__panel--gauge{flex-direction:column;display:flex}.analytics-v2__gauge{min-height:250px}.analytics-v2__bullet-stats{color:#475569;gap:6px;margin:0;padding-left:16px;font-size:12px;display:grid}@media (width<=1200px){.analytics-v2__kpi-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.analytics-v2__grid,.analytics-v2__grid--overview{grid-template-columns:1fr}}@media (width<=768px){.analytics-v2__tabs{width:100%;display:flex}.analytics-v2__tab{text-align:center;flex:1}.analytics-v2__kpi-grid{grid-template-columns:1fr}.analytics-v2__header{flex-direction:column}.analytics-v2__chart-wrap{min-height:240px}}.board-page{color:#1f2937;max-width:1200px;min-height:100vh;margin:0 auto;padding:24px}.board-header{text-align:left;margin-bottom:18px}.board-header h1{color:#111827;margin-bottom:6px;font-size:28px;font-weight:700}.board-header p{color:#64748b;font-size:14px}.back-button{color:#667eea;cursor:pointer;background:0 0;border:none;margin-bottom:20px;padding:8px 0;font-size:16px}.back-button:hover{text-decoration:underline}.board-categories{background:#fff;border:1px solid #e5e7eb;border-radius:12px;flex-wrap:wrap;justify-content:flex-start;gap:10px;margin-bottom:14px;padding:8px;display:flex}.category-button{cursor:pointer;color:#64748b;background:0 0;border:1px solid #0000;border-radius:8px;padding:8px 14px;font-size:14px;font-weight:500;transition:all .2s}.category-button:hover{color:#334155;background:#f8fafc;border-color:#e2e8f0}.category-button.active{color:#1d4ed8;background:#eff6ff;border-color:#bfdbfe}.loading{text-align:center;color:#666;padding:40px;font-size:16px}.board-table-wrap{-webkit-overflow-scrolling:touch;background:#fff;border:1px solid #e5e7eb;border-radius:12px;overflow:auto hidden;box-shadow:0 1px 2px #0f172a0d}.board-table{border-collapse:collapse;table-layout:fixed;width:100%;min-width:700px}.board-table thead th{color:#64748b;letter-spacing:.03em;background:#f9fafb;border-bottom:1px solid #e5e7eb;padding:12px 10px;font-size:12px;font-weight:700}.board-table tbody td{color:#344054;text-align:center;border-bottom:1px solid #f1f5f9;padding:12px 10px;font-size:14px}.board-row{cursor:pointer}.board-row:hover{background:#f8fafc}.board-row.pinned{background:#fffef3}.col-no{width:72px}.col-category{width:110px}.col-author{width:140px}.col-date{width:110px}.col-views{width:80px}.board-title-cell{text-align:left!important}.board-title-text{text-overflow:ellipsis;white-space:nowrap;vertical-align:middle;max-width:100%;display:inline-block;overflow:hidden}.pin-icon{margin-right:6px;font-size:16px}.post-category{color:#334155;background:#eef2ff;border-radius:12px;padding:3px 10px;font-size:12px;font-weight:500}.board-row.pinned .post-category{color:#92400e;background:#fef3c7}.board-pagination{justify-content:center;gap:6px;margin-top:14px;display:flex}.page-btn{color:#344054;cursor:pointer;background:#fff;border:1px solid #d0d5dd;border-radius:8px;min-width:36px;height:36px;padding:0 10px;font-size:14px}.page-btn:hover:not(:disabled){background:#f5f8ff;border-color:#c7d2fe}.page-btn.active{color:#fff;background:#1d4ed8;border-color:#1d4ed8}.page-btn:disabled{opacity:.5;cursor:not-allowed}.post-detail{background:#fff;border:1px solid #e5e7eb;border-radius:12px;padding:30px;box-shadow:0 1px 2px #0f172a0f}.post-detail .post-header{border-bottom:2px solid #f1f3f4;margin-bottom:30px;padding-bottom:20px}.post-detail .post-header h2{color:#333;margin:15px 0;font-size:24px;line-height:1.4}.post-detail .post-category{margin-bottom:10px;display:inline-block}.pinned-badge{color:#333;background:#ffc107;border-radius:8px;margin-left:10px;padding:4px 8px;font-size:12px;font-weight:700;display:inline-block}.post-content{color:#333;font-size:16px;line-height:1.8}.post-content p{margin-bottom:15px}.empty-state{text-align:center;color:#666;padding:60px 20px}.empty-state p{margin:0;font-size:18px}@media (width<=768px){.board-page{padding:16px}.board-categories{gap:8px}.category-button{padding:8px 16px;font-size:14px}.board-table{table-layout:auto;min-width:560px}.col-author,.col-views,.board-table th:nth-child(4),.board-table th:nth-child(6),.board-table td:nth-child(4),.board-table td:nth-child(6){display:none}.post-detail{padding:20px}.post-detail .post-header h2{font-size:20px}}@media (width<=560px){.col-no,.col-date,.board-table th:first-child,.board-table th:nth-child(5),.board-table td:first-child,.board-table td:nth-child(5){display:none}.board-table tbody td{padding:10px 8px;font-size:13px}}.report-modal-overlay{z-index:1000;background:#00000080;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.report-modal{background:#fff;border-radius:8px;width:90%;max-width:500px;max-height:90vh;overflow-y:auto}.report-modal-header{border-bottom:1px solid #eee;justify-content:space-between;align-items:center;padding:20px;display:flex}.report-modal-header h3{color:#333;margin:0}.close-btn{cursor:pointer;color:#666;background:0 0;border:none;font-size:24px}.report-form{padding:20px}.form-group select,.form-group textarea{border:1px solid #ddd;border-radius:4px;width:100%;padding:8px 12px;font-size:14px}.form-group select:focus,.form-group textarea:focus{border-color:#007bff;outline:none}.form-actions{justify-content:flex-end;gap:12px;margin-top:24px;display:flex}.form-actions button{cursor:pointer;border:1px solid #ddd;border-radius:4px;padding:8px 16px;font-size:14px}.form-actions button[type=submit]{color:#fff;background:#dc3545;border-color:#dc3545}.form-actions button[type=submit]:hover:not(:disabled){background:#c82333}.form-actions button:disabled{opacity:.6;cursor:not-allowed}.exam-page{background-color:#f8f9fa;flex-direction:column;min-height:100vh;display:flex}.exam-header{z-index:100;background:#fff;justify-content:space-between;align-items:center;padding:20px 40px;display:flex;position:sticky;top:0;box-shadow:0 2px 4px #0000001a}.exam-body{flex-direction:column;flex:1;display:flex}.exam-info{align-items:center;font-weight:500;display:flex}.exam-info span{color:#333}.time-info{flex-direction:column;gap:5px;min-width:150px;display:flex}.time-progress-bar{background:#e9ecef;border-radius:2px;width:100%;height:4px;overflow:hidden}.time-progress-fill{background:linear-gradient(90deg,#28a745 0%,#ffc107 50%,#dc3545 100%);border-radius:2px;height:100%;transition:width 1s}.header-buttons{flex-shrink:0;gap:10px;display:flex}.navigation-button{color:#fff;cursor:pointer;white-space:nowrap;text-overflow:ellipsis;background:#667eea;border:none;border-radius:4px;max-width:120px;padding:8px 16px;font-weight:500;transition:all .2s;position:relative;overflow:hidden}.navigation-button:hover{background:#5a6fd8}.navigation-button.active{background:#4285f4;box-shadow:0 2px 8px #4285f44d}.navigation-button.active:after{content:"";border-bottom:6px solid #fff;border-left:6px solid #0000;border-right:6px solid #0000;width:0;height:0;position:absolute;bottom:-2px;left:50%;transform:translate(-50%)}.complete-button{color:#fff;cursor:pointer;white-space:nowrap;text-overflow:ellipsis;background:#28a745;border:none;border-radius:4px;max-width:100px;padding:8px 16px;font-weight:500;overflow:hidden}.complete-button:hover{background:#218838}.abandon-button{color:#fff;cursor:pointer;white-space:nowrap;text-overflow:ellipsis;background:#dc3545;border:none;border-radius:4px;max-width:100px;padding:8px 16px;font-weight:500;overflow:hidden}.abandon-button:hover{background:#c82333}.report-button{color:#fff;cursor:pointer;white-space:nowrap;text-overflow:ellipsis;background:#fd7e14;border:none;border-radius:4px;max-width:100px;padding:8px 16px;font-weight:500;overflow:hidden}.report-button:hover{background:#e8650e}.pause-button{color:#212529;cursor:pointer;white-space:nowrap;text-overflow:ellipsis;background:#ffc107;border:none;border-radius:4px;max-width:100px;padding:8px 16px;font-weight:500;overflow:hidden}.pause-button:hover{background:#e0a800}.resume-button{color:#fff;cursor:pointer;background:#17a2b8;border:none;border-radius:4px;padding:8px 16px;font-weight:500}.resume-button:hover{background:#138496}.pause-overlay{z-index:1000;background:#000c;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.pause-content{text-align:center;background:#fff;border-radius:12px;max-width:400px;padding:40px}.pause-content h2{color:#333;margin:0 0 15px}.pause-content p{color:#666;margin:0 0 25px;line-height:1.5}.resume-large-button{color:#fff;cursor:pointer;background:#17a2b8;border:none;border-radius:8px;padding:15px 30px;font-size:18px;font-weight:600}.resume-large-button:hover{background:#138496}.option.disabled{opacity:.6;cursor:not-allowed}.exam-content{flex:1;width:100%;max-width:1000px;margin:0 auto;padding:40px;transition:margin-top .3s}.exam-content.with-navigation{margin-top:240px}.question-section{background:#fff;border-radius:12px;margin-bottom:30px;padding:30px;box-shadow:0 2px 8px #0000001a}.question-header{border-bottom:2px solid #f8f9fa;justify-content:space-between;align-items:center;margin-bottom:20px;padding-bottom:15px;display:flex}.question-header h2{color:#667eea;margin:0;font-size:20px;font-weight:600}.report-button-inline{color:#fff;cursor:pointer;white-space:nowrap;background:#dc3545;border:none;border-radius:4px;padding:6px 12px;font-size:12px;font-weight:500;transition:background-color .2s}.report-button-inline:hover{background:#c82333}.question-text{color:#333;white-space:pre-wrap;margin-bottom:20px;font-size:18px;line-height:1.6}.answer-instruction{color:#666;margin-bottom:20px;font-size:14px;font-weight:500}.options{flex-direction:column;gap:12px;display:flex}.option{cursor:pointer;background:#fff;border:2px solid #e9ecef;border-radius:8px;align-items:flex-start;gap:15px;padding:15px;transition:all .2s;display:flex}.option:hover{background:#f8f9ff;border-color:#667eea}.option.selected{background:#e8f0fe;border-color:#667eea}.option-number{color:#fff;background:#667eea;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:24px;height:24px;font-size:14px;font-weight:600;display:flex}.option-text{color:#333;flex:1;line-height:1.5}.exam-controls{background:#fff;border-radius:12px;justify-content:space-between;align-items:center;padding:20px 30px;display:flex;box-shadow:0 2px 8px #0000001a}.selected-info{color:#666;font-size:14px}.submit-button{color:#fff;cursor:pointer;background:#28a745;border:none;border-radius:6px;padding:12px 24px;font-size:16px;font-weight:600;transition:background-color .2s}.submit-button:hover:not(:disabled){background:#218838}.submit-button:disabled{cursor:not-allowed;background:#ccc}.question-navigation{z-index:90;background:#fff;border-bottom:1px solid #e9ecef;padding:20px 40px;animation:.3s ease-out slideDown;position:fixed;top:120px;left:280px;right:0;box-shadow:0 2px 8px #0000001a}@keyframes slideDown{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}.navigation-header{justify-content:space-between;align-items:center;margin-bottom:20px;display:flex}.navigation-header h3{color:#333;margin:0;font-size:18px}.close-navigation{color:#666;cursor:pointer;background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;width:30px;height:30px;padding:0;font-size:24px;display:flex}.close-navigation:hover{color:#333;background:#f8f9fa}.navigation-grid{grid-template-columns:repeat(auto-fill,minmax(50px,1fr));gap:8px;max-height:300px;margin-bottom:20px;display:grid;overflow-y:auto}.navigation-item{cursor:pointer;color:#666;background:#fff;border:2px solid #e9ecef;border-radius:8px;justify-content:center;align-items:center;width:50px;height:50px;font-weight:600;transition:all .2s;display:flex}.navigation-item:hover{background:#f8f9ff;border-color:#667eea}.navigation-item.current{color:#fff;background:#667eea;border-color:#667eea}.navigation-item.answered{color:#155724;background:#d4edda;border-color:#28a745}.navigation-item.current.answered{color:#fff;background:#667eea;border-color:#667eea}.navigation-legend{justify-content:center;align-items:center;gap:20px;display:flex}.legend-item{color:#666;align-items:center;gap:8px;font-size:14px;display:flex}.legend-color{border:2px solid;border-radius:4px;width:16px;height:16px}.legend-color.current{background:#667eea;border-color:#667eea}.legend-color.answered{background:#d4edda;border-color:#28a745}.legend-color.unanswered{background:#fff;border-color:#e9ecef}.legend-color.flagged{background:#fff3cd;border-color:#ffc107}.flag-button{color:#fff;cursor:pointer;white-space:nowrap;background:#6c757d;border:none;border-radius:4px;padding:8px 12px;font-size:16px;transition:all .2s}.flag-button:hover{background:#5a6268}.flag-button.flagged{color:#212529;background:#ffc107}.flag-button.flagged:hover{background:#e0a800}.navigation-filters{align-items:center;gap:15px;display:flex}.filter-button{color:#fff;cursor:pointer;background:#6c757d;border:none;border-radius:4px;padding:6px 12px;font-size:12px;font-weight:500;transition:all .2s}.filter-button:hover{background:#5a6268}.filter-button.active{color:#212529;background:#ffc107}.flagged-count{color:#666;font-size:12px;font-weight:500}.navigation-item.flagged{color:#856404;background:#fff3cd;border-color:#ffc107;position:relative}.navigation-item.flagged.current{color:#fff;background:#667eea;border-color:#667eea}.navigation-item.flagged.answered{color:#155724;background:#d4edda;border-color:#28a745}.navigation-item.review-mode.answered{color:#155724;background:#d4edda;border-color:#28a745;position:relative}.navigation-item.review-mode.answered:after{content:"✓";color:#28a745;font-size:10px;font-weight:700;position:absolute;top:2px;right:2px}.flag-indicator{background:#ffc107;border-radius:50%;justify-content:center;align-items:center;width:16px;height:16px;font-size:10px;display:flex;position:absolute;top:-2px;right:-2px}@media (width<=768px){.exam-header{flex-direction:column;gap:15px;padding:15px 20px}.question-navigation{top:160px;left:0}.exam-content.with-navigation{margin-top:260px}.header-buttons{flex-wrap:wrap;justify-content:center;width:100%}.exam-info{justify-content:center;font-size:14px}.navigation-button,.complete-button,.abandon-button,.pause-button,.flag-button{max-width:none}.flag-button{padding:6px 10px;font-size:14px}.navigation-filters{flex-direction:column;align-items:flex-start;gap:8px}.filter-button{padding:4px 8px;font-size:11px}.flagged-count{font-size:11px}.time-info{min-width:auto}.exam-content,.question-section{padding:20px}.question-text{font-size:16px}.question-header h2{font-size:18px}.exam-controls{flex-direction:column;align-items:stretch;gap:15px;padding:15px 20px}.submit-button{width:100%}.question-navigation{padding:15px 20px}.navigation-grid{grid-template-columns:repeat(auto-fill,minmax(45px,1fr));gap:6px}.navigation-item{width:45px;height:45px;font-size:14px}.navigation-legend{flex-direction:column;align-items:flex-start;gap:10px}}@media (width<=480px){.exam-header{padding:10px 15px}.question-navigation{top:180px;left:0}.exam-content.with-navigation{margin-top:280px}.exam-content,.question-section{padding:15px}.option{padding:12px}.option-text{font-size:14px}.question-navigation{padding:10px 15px}.navigation-grid{grid-template-columns:repeat(auto-fill,minmax(40px,1fr));gap:4px}.navigation-item{width:40px;height:40px;font-size:12px}.navigation-header h3{font-size:16px}.legend-item{font-size:12px}.legend-color{width:14px;height:14px}}.practice-result{border-radius:var(--border-radius);padding:var(--spacing-lg);border:2px solid var(--gray-300);background:#fff}.result-indicator{font-size:var(--font-size-lg);padding:var(--spacing-md);border-radius:var(--border-radius);text-align:center;margin-bottom:var(--spacing-md);font-weight:600}.result-indicator.correct{color:var(--success-color);border:2px solid var(--success-color);background:#28a7451a}.result-indicator.incorrect{color:var(--danger-color);border:2px solid var(--danger-color);background:#dc35451a}.correct-answers{margin-bottom:var(--spacing-md);padding:var(--spacing-md);background:var(--gray-100);border-radius:var(--border-radius);font-size:var(--font-size-base)}.explanation,.reasoning{margin-bottom:var(--spacing-md);padding:var(--spacing-md);background:var(--info-color);border-radius:var(--border-radius);border-left:4px solid var(--info-color);background:#17a2b81a}.explanation strong,.reasoning strong{color:var(--info-color);margin-bottom:var(--spacing-xs);display:block}.explanation p,.reasoning p{color:var(--gray-700);margin:0;line-height:1.6}.review-controls{flex-direction:column;align-items:center;gap:15px;width:100%;display:flex}.navigation-buttons{gap:15px;display:flex}.prev-button,.next-button{color:#fff;cursor:pointer;background:#6c757d;border:none;border-radius:6px;padding:10px 20px;font-weight:500;transition:background-color .2s}.prev-button:hover,.next-button:hover{background:#5a6268}.finish-review-button{color:#fff;cursor:pointer;background:#28a745;border:none;border-radius:6px;padding:12px 24px;font-size:16px;font-weight:600;transition:background-color .2s}.finish-review-button:hover{background:#218838}.navigation-header .finish-review-button{background:#dc3545;padding:8px 16px;font-size:14px}.navigation-header .finish-review-button:hover{background:#c82333}.exam-navigation-controls{flex-direction:column;align-items:center;gap:15px;width:100%;display:flex}.action-buttons{align-items:center;gap:15px;display:flex}.submit-answer-button{color:#fff;cursor:pointer;background:#17a2b8;border:none;border-radius:6px;padding:10px 20px;font-weight:500;transition:background-color .2s}.submit-answer-button:hover{background:#138496}.review-button{color:#212529;cursor:pointer;background:#ffc107;border:none;border-radius:6px;padding:10px 20px;font-weight:500;transition:background-color .2s}.review-button:hover{background:#e0a800}.exam-controls-layout{flex-direction:column;align-items:center;gap:15px;width:100%;display:flex}.main-navigation{justify-content:center;align-items:center;gap:20px;display:flex}.submit-answer-button:disabled{cursor:not-allowed;opacity:.6;background:#ccc}.submit-answer-button:disabled:hover{background:#ccc}.submit-answer-button.auto-saved{background:#28a745;position:relative}.exam-shell-header{z-index:80;background:#fff;border-bottom:1px solid #e5e7eb;grid-template-columns:180px 1fr auto;align-items:center;gap:16px;padding:12px 20px;display:grid;position:sticky;top:0}.exam-shell-header__left{flex-direction:column;gap:2px;display:flex}.exam-shell-header__label{letter-spacing:.08em;color:#64748b;font-size:11px;font-weight:700}.exam-shell-header__left strong{color:#0f172a;font-size:18px}.exam-shell-header__center{color:#334155;flex-direction:column;gap:6px;font-size:14px;display:flex}.exam-shell-header__right{align-items:center;gap:8px;display:flex}.exam-main{width:min(920px,100% - 32px);margin:16px auto 100px}.question-navigation-backdrop{z-index:90;background:#0f172a73;position:fixed;inset:0}.question-navigation-drawer{z-index:95;background:#fff;border-left:1px solid #e5e7eb;width:340px;height:100vh;padding:16px;transition:right .22s;position:fixed;top:0;right:-360px;overflow-y:auto}.question-navigation-drawer.open{right:0}.exam-footer-actions{z-index:85;background:#fff;border-top:1px solid #e5e7eb;justify-content:space-between;align-items:center;gap:12px;padding:10px 20px;display:flex;position:fixed;bottom:0;left:0;right:0}.exam-footer-actions__left{color:#64748b;align-items:center;gap:8px;font-size:13px;display:flex}.exam-footer-actions__right{align-items:center;gap:8px;display:flex}.autosaved-chip{color:#166534;background:#dcfce7;border-radius:999px;padding:2px 8px;font-size:12px;font-weight:700}@media (width<=960px){.exam-shell-header{grid-template-columns:1fr;gap:10px}.exam-shell-header__right{flex-wrap:wrap}.exam-main{width:calc(100% - 20px);margin:10px auto 120px}.question-navigation-drawer{width:min(360px,100vw)}.exam-footer-actions{flex-direction:column;align-items:stretch}.exam-footer-actions__right{flex-wrap:wrap;justify-content:flex-end}}.exam-page{background:radial-gradient(circle at 12% 0,#3b82f61f,#0000 40%),radial-gradient(circle at 88% 10%,#0ea5e91f,#0000 35%),#f8fafc}.exam-shell-header{-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#ffffffe6}.exam-shell-header__right .navigation-button,.exam-shell-header__right .flag-button,.exam-shell-header__right .pause-button,.exam-shell-header__right .abandon-button{white-space:nowrap;border-radius:10px;flex:none;padding:9px 12px;font-size:13px;font-weight:700}.question-section{background:#fff;border:1px solid #dbe4ff;border-radius:16px;box-shadow:0 10px 30px #0f172a12}.question-header{border-bottom:1px solid #e5e7eb}.question-header h2{color:#1d4ed8;font-size:22px}.question-text{color:#0f172a;font-size:20px;font-weight:600;line-height:1.55}.answer-instruction{color:#475569;margin-bottom:14px;font-size:13px}.options{gap:10px}.option{background:#f8fbff;border:1px solid #dbe4ff;border-radius:12px;padding:16px}.option:hover{background:#eff6ff;border-color:#93c5fd;transform:translateY(-1px)}.option.selected{background:linear-gradient(135deg,#2563eb14,#0ea5e914);border-color:#2563eb;box-shadow:inset 0 0 0 1px #60a5fa}.option.locked{cursor:not-allowed;opacity:.72}.option.locked:hover{transform:none}.option-number{background:#1d4ed8;border-radius:9px;width:28px;height:28px;font-size:13px}.option.selected .option-number{background:#0ea5e9}.option-text{color:#0f172a;font-size:15px}.exam-footer-actions{box-shadow:0 -8px 22px #0f172a14}.exam-footer-actions__right .prev-button,.exam-footer-actions__right .next-button,.exam-footer-actions__right .submit-answer-button,.exam-footer-actions__right .review-button,.exam-footer-actions__right .complete-button{border-radius:10px;padding:10px 14px;font-weight:700}.exam-action-modal-overlay{z-index:1200;background:#0f172a9e;place-items:center;padding:16px;display:grid;position:fixed;inset:0}.exam-action-modal{background:#fff;border:1px solid #dbe4ff;border-radius:14px;width:min(480px,100%);padding:20px;box-shadow:0 24px 50px #0f172a33}.exam-action-modal h3{color:#0f172a;margin:0 0 8px;font-size:21px}.exam-action-modal p{color:#475569;white-space:pre-line;margin:0;line-height:1.55}.exam-action-modal-buttons{justify-content:flex-end;gap:8px;margin-top:18px;display:flex}.exam-action-modal-buttons.single{justify-content:center}.modal-btn{cursor:pointer;border:none;border-radius:10px;padding:9px 14px;font-weight:700}.modal-btn.primary{color:#fff;background:#2563eb}.modal-btn.secondary{color:#334155;background:#e2e8f0}.modal-btn.danger{color:#fff;background:#dc2626}.submit-answer-button.auto-saved:hover{background:#218838}.submit-answer-button.auto-saved:before{content:"✓ ";margin-right:5px}@media (width<=640px){.exam-shell-header__right{width:100%}.exam-shell-header__right .navigation-button,.exam-shell-header__right .flag-button,.exam-shell-header__right .pause-button,.exam-shell-header__right .abandon-button{flex:auto}.question-navigation-drawer{width:100vw;right:-100vw}.exam-main{margin-bottom:170px}.exam-footer-actions{padding:10px 12px calc(10px + env(safe-area-inset-bottom))}.exam-footer-actions__right{grid-template-columns:repeat(2,minmax(0,1fr));gap:6px;width:100%;display:grid}.exam-footer-actions__right .prev-button,.exam-footer-actions__right .next-button,.exam-footer-actions__right .submit-answer-button,.exam-footer-actions__right .review-button,.exam-footer-actions__right .complete-button{width:100%}}@media (width<=420px){.exam-main{margin-bottom:220px}.exam-footer-actions__right{grid-template-columns:1fr}}.layout--focus .exam-page{background:#f7f7f7}.layout--focus .exam-shell-header{box-shadow:none;background:#fffffff5;border-bottom:1px solid #dee1e6;grid-template-columns:160px minmax(260px,1fr) auto;padding:14px 28px}.layout--focus .exam-shell-header__label{color:#5b616e;letter-spacing:0}.layout--focus .time-progress-bar{background:#eef0f3}.layout--focus .time-progress-fill{background:#0052ff}.layout--focus .exam-shell-header__right .navigation-button{background:#0052ff;border-radius:999px}.layout--focus .exam-shell-header__right .flag-button,.layout--focus .exam-shell-header__right .pause-button{color:#0a0b0d;background:#eef0f3;border-radius:999px}.layout--focus .exam-shell-header__right .pause-button.paused{color:#fff;background:#0052ff}.layout--focus .exam-shell-header__right .abandon-button{background:#cf202f;border-radius:999px}.layout--focus .exam-main{width:min(960px,100% - 40px);margin-top:18px}.layout--focus .question-section{box-shadow:none;border:1px solid #dee1e6;border-radius:18px}.layout--focus .question-header h2{color:#0052ff}.layout--focus .exam-paused-panel{text-align:center;background:#fff;border:1px solid #dee1e6;border-radius:18px;justify-items:center;gap:12px;padding:64px 24px;display:grid}.layout--focus .exam-paused-panel__eyebrow{color:#8a6400;font-size:12px;font-weight:800}.layout--focus .exam-paused-panel h2{color:#0a0b0d;margin:0;font-size:24px}.layout--focus .exam-paused-panel p{color:#5b616e;margin:0}.layout--focus .exam-paused-panel button{color:#fff;cursor:pointer;background:#0052ff;border:0;border-radius:999px;min-height:44px;padding:0 22px;font-weight:800}.layout--focus .question-text{font-size:20px;font-weight:650;line-height:1.6}.layout--focus .option{background:#fff;border-color:#dee1e6;border-radius:14px}.layout--focus .option:hover,.layout--focus .option.selected{background:#f7faff;border-color:#0052ff;box-shadow:inset 0 0 0 1px #0052ff}.layout--focus .option-number,.layout--focus .option.selected .option-number{background:#0052ff;border-radius:999px}.layout--focus .exam-footer-actions{box-shadow:none;border-top:1px solid #dee1e6}.layout--focus .exam-footer-actions__right .next-button,.layout--focus .exam-footer-actions__right .submit-answer-button.auto-saved,.layout--focus .exam-footer-actions__right .review-button,.layout--focus .exam-footer-actions__right .complete-button{background:#0052ff;border-radius:999px}.layout--focus .exam-footer-actions__right .submit-answer-button:not(.auto-saved){border-radius:999px}@media (width<=960px){.layout--focus .exam-shell-header{grid-template-columns:1fr;padding:12px 16px}.layout--focus .exam-main{width:calc(100% - 24px)}.layout--focus .question-section{padding:18px 16px}.layout--focus .question-text{font-size:17px;font-weight:650;line-height:1.58}.layout--focus .option{padding:14px}}.exam-result-analysis{background:var(--white);border-radius:var(--border-radius-lg);padding:var(--spacing-xl);box-shadow:var(--box-shadow-lg);border:1px solid var(--gray-200);margin-bottom:var(--spacing-xl)}.exam-result-analysis h3{margin:0 0 var(--spacing-lg) 0;color:var(--gray-900);font-size:1.5rem;font-weight:600}.performance-summary{margin-bottom:var(--spacing-xl)}.performance-card{align-items:center;gap:var(--spacing-lg);padding:var(--spacing-xl);border-radius:var(--border-radius-lg);border:2px solid;display:flex;position:relative;overflow:hidden}.performance-card:before{content:"";opacity:.05;background:currentColor;position:absolute;inset:0}.performance-card.excellent{color:#28a745;background:#28a7450d;border-color:#28a745}.performance-card.good{color:#17a2b8;background:#17a2b80d;border-color:#17a2b8}.performance-card.average{color:#856404;background:#ffc1070d;border-color:#ffc107}.performance-card.poor{color:#dc3545;background:#dc35450d;border-color:#dc3545}.performance-icon{z-index:1;flex-shrink:0;font-size:3rem;position:relative}.performance-text{z-index:1;flex:1;position:relative}.performance-text h4{margin:0 0 var(--spacing-sm) 0;font-size:1.25rem;font-weight:600}.performance-text p{font-size:var(--font-size-base);opacity:.8;margin:0;line-height:1.5}.detailed-stats{margin-bottom:var(--spacing-xl)}.stat-grid{gap:var(--spacing-md);grid-template-columns:repeat(auto-fit,minmax(120px,1fr));display:grid}.stat-item{text-align:center;padding:var(--spacing-lg);border-radius:var(--border-radius);background:var(--white);border:2px solid}.stat-item.correct{color:#28a745;border-color:#28a745}.stat-item.incorrect{color:#dc3545;border-color:#dc3545}.stat-item.unanswered{color:#6c757d;border-color:#6c757d}.stat-item.answered{color:#17a2b8;border-color:#17a2b8}.stat-number{margin-bottom:var(--spacing-xs);font-size:2rem;font-weight:700}.stat-label{font-size:var(--font-size-sm);opacity:.8;font-weight:500}.type-analysis{margin-bottom:var(--spacing-xl)}.type-analysis h4{margin:0 0 var(--spacing-lg) 0;color:var(--gray-900);font-size:1.25rem;font-weight:600}.type-list{gap:var(--spacing-md);flex-direction:column;display:flex}.type-item{padding:var(--spacing-lg);background:var(--gray-100);border-radius:var(--border-radius);border:1px solid var(--gray-200)}.type-header{margin-bottom:var(--spacing-sm);justify-content:space-between;align-items:center;display:flex}.type-name{color:var(--gray-900);font-weight:600;font-size:var(--font-size-base)}.type-score{color:var(--gray-600);font-weight:500;font-size:var(--font-size-sm)}.type-progress{background:var(--gray-300);border-radius:4px;height:8px;overflow:hidden}.type-progress-bar{border-radius:4px;height:100%;transition:width .3s}.keyword-analysis{margin-bottom:var(--spacing-xl)}.keyword-analysis h4{margin:0 0 var(--spacing-lg) 0;color:var(--gray-900);font-size:1.25rem;font-weight:600}.keyword-list{gap:var(--spacing-sm);margin-bottom:var(--spacing-lg);flex-direction:column;display:flex}.keyword-item{padding:var(--spacing-md);background:var(--gray-100);border-radius:var(--border-radius);border:1px solid var(--gray-200);border-left:4px solid #dc3545}.keyword-header{margin-bottom:var(--spacing-xs);justify-content:space-between;align-items:center;display:flex}.keyword-name{color:var(--gray-900);font-weight:600;font-size:var(--font-size-base)}.keyword-count{color:#dc3545;font-weight:500;font-size:var(--font-size-sm)}.keyword-progress{background:var(--gray-300);border-radius:3px;height:6px;overflow:hidden}.keyword-progress-bar{border-radius:3px;height:100%;transition:width .3s}.keyword-summary{padding:var(--spacing-md);border-radius:var(--border-radius);background:#dc35451a;border-left:4px solid #dc3545}.keyword-summary p{color:var(--gray-700);font-size:var(--font-size-sm);margin:0;line-height:1.5}.study-recommendations h4{margin:0 0 var(--spacing-lg) 0;color:var(--gray-900);font-size:1.25rem;font-weight:600}.recommendations-list{gap:var(--spacing-md);flex-direction:column;display:flex}.recommendation-item{align-items:flex-start;gap:var(--spacing-md);padding:var(--spacing-lg);background:var(--gray-100);border-radius:var(--border-radius);border-left:4px solid var(--primary-color);display:flex}.recommendation-icon{flex-shrink:0;margin-top:2px;font-size:1.25rem}.recommendation-item span:last-child{color:var(--gray-700);line-height:1.5;font-size:var(--font-size-base);flex:1}@media (width<=768px){.performance-card{text-align:center;gap:var(--spacing-md);flex-direction:column}.performance-icon{font-size:2.5rem}.stat-grid{grid-template-columns:repeat(2,1fr)}.type-header{align-items:flex-start;gap:var(--spacing-xs);flex-direction:column}}@media (width<=480px){.exam-result-analysis{padding:var(--spacing-lg)}.stat-grid{grid-template-columns:1fr}.stat-number{font-size:1.5rem}.recommendation-item{padding:var(--spacing-md)}}.results-v3{gap:18px;display:grid}.results-v3--loading{text-align:center;min-height:280px;color:var(--gray-600);place-items:center;display:grid}.results-v3__spinner{border:3px solid #dbe4ff;border-top-color:var(--brand-600);border-radius:999px;width:38px;height:38px;margin:0 auto 12px;animation:.8s linear infinite resultsV3Spin}@keyframes resultsV3Spin{to{transform:rotate(360deg)}}.results-v3__error-box{text-align:center;gap:8px;display:grid}.results-v3__hero{background:radial-gradient(circle at 85% 10%,#3657ff38,#0000 36%),radial-gradient(circle at 0 100%,#38bdf826,#0000 42%),linear-gradient(120deg,#fff 0%,#f3f7ff 100%);border:1px solid #cdd8ff;border-radius:18px;padding:24px;box-shadow:0 16px 32px #0f172a14}.results-v3__hero-top{justify-content:space-between;align-items:center;margin-bottom:12px;display:flex}.results-v3__status{letter-spacing:.08em;border-radius:999px;padding:7px 12px;font-size:12px;font-weight:800}.results-v3__status.passed{color:#166534;background:#dcfce7}.results-v3__status.failed{color:#991b1b;background:#fee2e2}.results-v3__hero h1{color:#0f172a;margin-bottom:8px;font-size:clamp(24px,3vw,34px);line-height:1.16}.results-v3__hero p{color:#475467;max-width:740px}.results-v3__layout{grid-template-columns:340px minmax(0,1fr);align-items:start;gap:14px;display:grid}.results-v3__sidebar{gap:12px;display:grid}.results-v3__score-card{background:linear-gradient(160deg,#fff 0%,#f3f7ff 100%);border-color:#cfd8ff}.results-v3__score-label{color:#475467;margin-bottom:10px;font-size:13px;font-weight:700}.results-v3__gauge-wrap{margin-bottom:10px}.results-v3__gauge-chart{width:220px;margin:0 auto;position:relative}.results-v3__gauge-chart .apexcharts-canvas{margin:0 auto}.results-v3__pass-line{justify-content:center;margin-top:6px;display:flex}.results-v3__pass-line span{color:#3730a3;background:#eef2ff;border:1px solid #cfd8ff;border-radius:999px;padding:4px 10px;font-size:12px;font-weight:700}.results-v3__score-meta{flex-wrap:wrap;gap:6px;margin-bottom:10px;display:flex}.results-v3__score-meta span{color:#334155;background:#fff;border:1px solid #dbe4ff;border-radius:999px;padding:4px 10px;font-size:12px}.results-v3__mini-grid .card__body{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;display:grid}.results-v3__mini-item{background:#f8fafc;border:1px solid #eaecf0;border-radius:10px;padding:10px}.results-v3__mini-item span{color:#667085;font-size:12px}.results-v3__mini-item strong{color:#0f172a;margin-top:6px;font-size:16px;line-height:1.2;display:block}.results-v3__summary p{color:#344054;white-space:pre-wrap;line-height:1.6}.results-v3__questions-wrap{border-color:#d0d8ff}.results-v3__questions-head{justify-content:space-between;align-items:center;gap:10px;margin-bottom:10px;display:flex}.results-v3__questions-head h2{color:#0f172a;font-size:20px}.results-v3__head-actions{align-items:center;gap:6px;display:flex}.results-v3__head-actions button{color:#344054;background:#fff;border:1px solid #d0d5dd;border-radius:9px;padding:7px 10px;font-size:12px;font-weight:600}.results-v3__head-actions button:hover{background:#f8fafc}.results-v3__filters{flex-wrap:wrap;gap:8px;margin-bottom:14px;display:inline-flex}.results-v3__filters button{color:#475467;background:#fff;border:1px solid #d0d5dd;border-radius:999px;padding:8px 14px;font-size:13px;font-weight:700}.results-v3__filters button.active{color:#3730a3;background:#eef2ff;border-color:#4f46e5;box-shadow:0 6px 14px #4f46e526}.results-v3__question-list{gap:10px;display:grid}.results-v3__quick-table-wrap{border:1px solid #e4e7ec;border-radius:10px;max-height:320px;margin-bottom:14px;overflow:auto}.results-v3__quick-table{border-collapse:separate;border-spacing:0;width:100%;min-width:620px}.results-v3__quick-table thead th{text-align:left;color:#667085;background:#f8fafc;border-bottom:1px solid #eaecf0;padding:10px 12px;font-size:12px;font-weight:700}.results-v3__quick-table tbody td{color:#334155;border-bottom:1px solid #eaecf0;padding:10px 12px;font-size:13px}.results-v3__quick-table tbody tr:last-child td{border-bottom:none}.results-v3__quick-table tbody tr:hover td{background:#f8fafc}.results-v3__quick-action{text-align:right}.results-v3__quick-action button{color:#344054;background:#fff;border:1px solid #d0d5dd;border-radius:8px;padding:5px 8px;font-size:12px;font-weight:700}.results-v3__quick-action button:hover{background:#eef2ff;border-color:#c7d2fe}.results-v3__question-item{background:#fff;border:1px solid #e4e7ec;border-radius:12px;overflow:hidden}.results-v3__question-header{background:#f8fafc;border:0;justify-content:space-between;align-items:center;gap:8px;width:100%;padding:14px;display:flex}.results-v3__question-header:hover{background:#f1f5f9}.results-v3__question-head-left{align-items:center;gap:8px;display:flex}.results-v3__q-number{color:#0f172a;font-size:14px;font-weight:800}.results-v3__badge{border-radius:999px;padding:4px 9px;font-size:11px;font-weight:800}.results-v3__badge.correct{color:#15803d;background:#dcfce7}.results-v3__badge.incorrect{color:#b42318;background:#fee2e2}.results-v3__expand{color:#475467;font-size:12px;font-weight:700}.results-v3__question-body{background:#fff;border-top:1px solid #eaecf0;padding:14px}.results-v3__question-text{color:#101828;white-space:pre-wrap;margin-bottom:12px;line-height:1.65}.results-v3__options{gap:8px;margin-bottom:12px;display:grid}.results-v3__option{background:#fff;border:1px solid #d0d5dd;border-radius:10px;align-items:flex-start;gap:10px;padding:10px;display:flex}.results-v3__option.correct-answer{background:#f0fdf4;border-color:#22c55e}.results-v3__option.wrong-answer{background:#fef2f2;border-color:#ef4444}.results-v3__option.correct-user-answer{box-shadow:inset 0 0 0 1px #22c55e59}.results-v3__option-no{color:#fff;background:#334155;border-radius:999px;flex-shrink:0;justify-content:center;align-items:center;width:24px;height:24px;font-size:12px;font-weight:700;display:inline-flex}.results-v3__option.correct-answer .results-v3__option-no,.results-v3__option.correct-user-answer .results-v3__option-no{background:#16a34a}.results-v3__option.wrong-answer .results-v3__option-no{background:#dc2626}.results-v3__option-text{color:#0f172a;line-height:1.5}.results-v3__explain{background:#f8fafc;border:1px solid #eaecf0;border-radius:10px;padding:12px}.results-v3__explain h4{color:#0f172a;margin-bottom:6px;font-size:14px}.results-v3__explain p{color:#334155;white-space:pre-wrap;line-height:1.6}.results-v3__explain p+h4{margin-top:10px}@media (width<=1180px){.results-v3__layout{grid-template-columns:1fr}}@media (width<=768px){.results-v3__hero{padding:16px}.results-v3__gauge-chart{width:196px}.results-v3__questions-head{flex-direction:column;align-items:flex-start}}.exam-history-page{gap:var(--spacing-xl);flex-direction:column;display:flex}.exam-history-page__loading{justify-content:center;align-items:center;gap:var(--spacing-lg);padding:var(--spacing-xl);color:var(--gray-600);font-size:var(--font-size-lg);flex-direction:column;min-height:300px;display:flex}.exam-history-page__error{margin-bottom:var(--spacing-lg)}.error-content{align-items:center;gap:var(--spacing-md);text-align:center;flex-direction:column;display:flex}.error-icon{font-size:3rem}.error-content h3{color:var(--danger-color);margin:0}.error-content p{color:var(--gray-600);margin:0}.exam-history-page__header{text-align:center;margin-bottom:var(--spacing-lg)}.exam-history-page__header h1{color:var(--gray-900);margin-bottom:var(--spacing-md);background:linear-gradient(135deg, var(--primary-color), var(--secondary-color));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-size:2rem;font-weight:700}.exam-history-page__header p{color:var(--gray-600);font-size:var(--font-size-lg);margin:0}.exam-history-page__empty{margin-bottom:var(--spacing-lg)}.empty-state{align-items:center;gap:var(--spacing-lg);text-align:center;padding:var(--spacing-xl);flex-direction:column;display:flex}.empty-state h3{font-size:var(--font-size-xl);color:var(--gray-700);margin:0;font-weight:600}.exam-history-page__content{gap:var(--spacing-xl);flex-direction:column;display:flex}.exam-history-page__stats{margin-bottom:var(--spacing-lg)}.stats-grid{gap:var(--spacing-lg);grid-template-columns:repeat(auto-fit,minmax(200px,1fr));display:grid}.stat-card{align-items:center;gap:var(--spacing-lg);display:flex}.stat-icon{background:linear-gradient(135deg, var(--primary-color), var(--secondary-color));border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:50px;height:50px;font-size:2rem;display:flex}.stat-content{flex:1}.stat-number{color:var(--gray-900);margin-bottom:var(--spacing-xs);font-size:1.75rem;font-weight:700;line-height:1.2}.stat-label{font-size:var(--font-size-sm);color:var(--gray-600);text-transform:uppercase;letter-spacing:.05em;font-weight:600}.exam-history-page__list{margin-bottom:var(--spacing-lg)}.status-badge{padding:var(--spacing-xs) var(--spacing-sm);border-radius:var(--border-radius-sm);font-size:var(--font-size-sm);text-transform:uppercase;letter-spacing:.05em;font-weight:600}@media (width<=1024px){.stats-grid{grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}}@media (width<=768px){.exam-history-page__header h1{font-size:1.75rem}.stats-grid{grid-template-columns:repeat(2,1fr)}.stat-card{gap:var(--spacing-md)}.stat-icon{width:40px;height:40px;font-size:1.5rem}.stat-number{font-size:1.5rem}.history-table{min-width:560px}.history-table .col-code,.history-table .col-date,.history-table .col-correct{display:none}}@media (width<=480px){.exam-history-page__header h1{font-size:1.5rem}.exam-history-page__header p{font-size:var(--font-size-base)}.stats-grid{grid-template-columns:1fr}.stat-card{text-align:center;gap:var(--spacing-sm);flex-direction:column}.history-table{min-width:460px}.history-table .col-time{display:none}.history-table thead th,.history-table tbody td{padding:10px 8px;font-size:12px}}.exam-select-v2{gap:16px;display:grid}.exam-select-v2--loading{text-align:center;min-height:260px;color:var(--gray-600);place-items:center;display:grid}.exam-select-v2__spinner{border:3px solid #dbe4ff;border-top-color:var(--brand-600);border-radius:999px;width:36px;height:36px;margin:0 auto 10px;animation:.8s linear infinite examSelectSpin}@keyframes examSelectSpin{to{transform:rotate(360deg)}}.exam-select-v2__error{border-radius:var(--radius-md);color:#b42318;background:#fef2f2;border:1px solid #fecaca;padding:12px 14px;font-size:14px}.exam-select-v2__hero{border-radius:var(--radius-xl);background:radial-gradient(circle at 0 0,#465fff2e,#0000 44%),linear-gradient(135deg,#fff 0%,#f7f9ff 100%);border:1px solid #d6ddff;grid-template-columns:1fr 260px;gap:14px;padding:20px;display:grid}.exam-select-v2__eyebrow{color:var(--brand-600);letter-spacing:.08em;margin-bottom:8px;font-size:11px;font-weight:700;display:inline-block}.exam-select-v2__hero-main h1{color:var(--gray-900);margin-bottom:8px;font-size:clamp(22px,2.3vw,30px);line-height:1.2}.exam-select-v2__hero-main p{color:var(--gray-600)}.exam-select-v2__mode-wrap{grid-template-columns:1fr 1fr;gap:10px;margin-top:14px;display:grid}.exam-select-v2__mode-btn{border:1px solid var(--gray-300);text-align:left;background:#fff;border-radius:12px;align-items:center;gap:10px;padding:12px;display:flex}.exam-select-v2__mode-btn:hover{background:#f8faff;border-color:#cdd7ff}.exam-select-v2__mode-btn.is-active{background:#eef2ff;border-color:#c7d2fe;box-shadow:inset 0 0 0 1px #c7d2fe}.mode-icon{background:#f2f4f7;border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;width:34px;height:34px;font-size:16px;display:inline-flex}.mode-text{gap:2px;display:grid}.mode-text strong{color:var(--gray-900);font-size:14px}.mode-text small{color:var(--gray-600);font-size:12px}.exam-select-v2__hero-side{border-radius:var(--radius-lg);background:#fff;border:1px solid #d6ddff;align-content:start;gap:8px;padding:14px;display:grid}.hero-side-title{color:var(--gray-500);font-size:12px}.exam-select-v2__hero-side strong{color:var(--brand-600);font-size:22px;line-height:1.2}.exam-select-v2__hero-side p{color:var(--gray-600);font-size:13px;line-height:1.45}.exam-select-v2__grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;display:grid}.exam-select-v2__exam-card{border-color:#dde3ef}.exam-select-v2__exam-head{justify-content:space-between;align-items:flex-start;gap:10px;margin-bottom:12px;display:flex}.exam-select-v2__exam-title-wrap{align-items:flex-start;gap:10px;display:flex}.exam-select-v2__exam-icon-wrap{background:#eef2ff;border-radius:10px;outline:none;flex-shrink:0;justify-content:center;align-items:center;width:38px;height:38px;display:inline-flex;position:relative}.exam-select-v2__exam-icon-wrap:hover:after,.exam-select-v2__exam-icon-wrap:focus-visible:after{content:attr(data-tooltip);color:#f8fafc;z-index:20;text-align:left;background:#101828;border-radius:10px;min-width:220px;max-width:280px;padding:10px 12px;font-size:12px;line-height:1.4;position:absolute;bottom:calc(100% + 10px);left:50%;transform:translate(-50%);box-shadow:0 10px 20px #10182840}.exam-select-v2__exam-icon-wrap:hover:before,.exam-select-v2__exam-icon-wrap:focus-visible:before{content:"";z-index:19;background:#101828;width:10px;height:10px;position:absolute;bottom:calc(100% + 5px);left:50%;transform:translate(-50%)rotate(45deg)}.exam-select-v2__exam-icon-wrap--placeholder{background:#f1f5f9}.exam-select-v2__exam-icon{object-fit:contain;border-radius:9px;justify-content:center;align-items:center;width:36px;height:36px;display:inline-flex}.exam-select-v2__exam-icon--placeholder{color:#344054;font-size:18px}.exam-select-v2__exam-icon-svg{width:20px;height:20px}.exam-select-v2__exam-title-wrap h3{color:var(--gray-900);margin-bottom:0;font-size:17px;line-height:1.2}.exam-select-v2__status{border-radius:999px;flex-shrink:0;padding:5px 10px;font-size:12px;font-weight:700}.exam-select-v2__status.active{color:#15803d;background:#dcfce7}.exam-select-v2__status.inactive{color:#6b7280;background:#f3f4f6}.exam-select-v2__meta-grid{grid-template-columns:1fr 1fr;gap:8px;margin-bottom:14px;display:grid}.exam-select-v2__meta-item{border:1px solid var(--gray-200);background:#f9fafb;border-radius:10px;grid-template-columns:20px 1fr;align-items:center;gap:8px;padding:9px 10px;display:grid}.exam-select-v2__meta-icon{color:#344054;justify-content:center;align-items:center;width:18px;height:18px;display:inline-flex}.exam-select-v2__meta-icon-svg{width:18px;height:18px}.exam-select-v2__meta-item strong{color:var(--gray-900);font-size:13px;line-height:1}.exam-select-v2__guide h4{color:var(--gray-900);margin-bottom:8px;font-size:16px}.exam-select-v2__guide ul{color:var(--gray-700);margin:0;padding-left:18px}.exam-select-v2__guide li+li,.exam-select-v2__ad{margin-top:4px}.exam-select-v2__confirm-overlay{z-index:1000;background:#0f172a8c;place-items:center;padding:16px;display:grid;position:fixed;inset:0}.exam-select-v2__confirm-modal{background:#fff;border:1px solid #dbe2ef;border-radius:14px;width:min(480px,100%);padding:20px;box-shadow:0 24px 64px #0f172a33}.exam-select-v2__confirm-modal h3{color:var(--gray-900);margin:0 0 10px;font-size:20px}.exam-select-v2__confirm-modal ul{color:var(--gray-700);margin:0;padding-left:18px;line-height:1.5}.exam-select-v2__confirm-modal li+li{margin-top:4px}.exam-select-v2__confirm-actions{justify-content:flex-end;gap:10px;margin-top:16px;display:flex}.exam-select-v2__empty{text-align:center;padding:18px}.exam-select-v2__empty h3{color:var(--gray-900);margin-bottom:6px}.exam-select-v2__empty p{color:var(--gray-600)}@media (width<=980px){.exam-select-v2__hero{grid-template-columns:1fr}.exam-select-v2__grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width<=640px){.exam-select-v2__hero{padding:14px}.exam-select-v2__mode-wrap,.exam-select-v2__grid,.exam-select-v2__meta-grid{grid-template-columns:1fr}}.exam-history-list{width:100%}.exam-history-empty{padding:var(--spacing-xl);text-align:center}.empty-state{align-items:center;gap:var(--spacing-md);color:var(--gray-600);flex-direction:column;display:flex}.empty-icon{opacity:.5;font-size:3rem}.empty-state h4{font-size:var(--font-size-lg);color:var(--gray-700);margin:0;font-weight:600}.empty-state p{font-size:var(--font-size-base);color:var(--gray-600);margin:0}.history-table-wrap{-webkit-overflow-scrolling:touch;width:100%;overflow-x:auto}.history-table{border-collapse:separate;border-spacing:0;width:100%;min-width:680px}.history-table.compact{min-width:700px}.history-table thead th{text-align:left;letter-spacing:.03em;color:var(--gray-600);border-bottom:1px solid var(--gray-200);background:#f8fafc;padding:10px 12px;font-size:12px;font-weight:700}.history-table tbody td{color:var(--gray-800);border-bottom:1px solid var(--gray-200);vertical-align:middle;padding:10px 12px;font-size:13px}.history-table tbody tr:last-child td{border-bottom:none}.history-table tbody tr:hover td{background:#f8fafc}.history-table__exam{color:var(--gray-900);align-items:center;gap:8px;font-weight:600;display:inline-flex}.history-table__icon{object-fit:cover;border-radius:999px;width:16px;height:16px}.history-table__code{border:1px solid var(--gray-300);color:var(--gray-700);background:#f8fafc;border-radius:7px;padding:2px 6px;font-size:11px;display:inline-block}.history-table__score{font-weight:700}.history-table__score.passed{color:#15803d}.history-table__score.failed{color:#b42318}.status-badge{border-radius:999px;padding:3px 8px;font-size:11px;font-weight:700}.status-badge.passed{color:#15803d;background:#16a34a1f}.status-badge.failed{color:#b42318;background:#dc26261f}.history-table__action{text-align:right}@media (width<=768px){.history-table{min-width:520px}.history-table .col-code,.history-table .col-date{display:none}}@media (width<=480px){.history-table{min-width:420px}.history-table .col-time{display:none}.history-table thead th,.history-table tbody td{padding:8px;font-size:12px}}.paid-plan-selector{margin:20px 0}.paid-plan-selector h3{color:#333;margin-bottom:15px}.current-plan{background-color:#f0f8ff;border:2px solid #007bff;border-radius:8px;padding:15px}.plan-badge{color:#007bff;margin-bottom:5px;font-size:16px;font-weight:700}.plan-description{color:#666;font-size:14px}.achievement-section{margin-bottom:2rem}.achievement-header{justify-content:space-between;align-items:center;margin-bottom:1rem;display:flex}.achievement-header h3{color:var(--text-primary);margin:0}.achievement-stats{font-size:1.1rem;font-weight:600}.completed-count{color:var(--success-color)}.total-count{color:var(--text-secondary)}.achievement-group{margin-bottom:1.5rem}.group-title{color:var(--text-primary);margin:0 0 .75rem;font-size:1rem;font-weight:600}.achievement-list{flex-direction:column;gap:.5rem;display:flex}.achievement-item{background:#fff;border-radius:8px;align-items:center;gap:.75rem;padding:.75rem;transition:transform .2s;display:flex;box-shadow:0 1px 3px #0000001a}.achievement-item:hover{transform:translateY(-1px)}.achievement-item.completed{border-left:3px solid var(--success-color);background:#f8fff8}.achievement-item.not-started{border-left:3px solid var(--gray-300);opacity:.8}.achievement-icon{flex-shrink:0;font-size:1.5rem}.achievement-content{flex-direction:column;flex:1;gap:.25rem;display:flex}.achievement-title{color:var(--text-primary);font-size:.9rem;font-weight:600}.achievement-desc{color:var(--text-secondary);font-size:.8rem;line-height:1.3}.progress-info{align-items:center;gap:.5rem;margin-top:.25rem;display:flex}.progress-text{color:var(--text-secondary);min-width:3rem;font-size:.75rem}.progress-bar{background:var(--gray-200);border-radius:2px;flex:1;height:4px;overflow:hidden}.progress-fill{background:#28a745;height:0%;transition:width .3s}.achievement-reward{color:#fff;background:#28a745;border-radius:12px;flex-shrink:0;padding:.25rem .5rem;font-size:.75rem;font-weight:600}.loading,.error{text-align:center;color:var(--text-secondary);padding:2rem}.error{color:var(--error-color)}@media (width<=768px){.achievement-item{padding:.5rem}.achievement-icon{font-size:1.25rem}.progress-info{flex-direction:column;align-items:flex-start;gap:.25rem}.progress-text{min-width:auto}}.profile-page{background-color:#f8f9fa;min-height:100vh;padding:20px}.profile-header{align-items:center;gap:20px;margin-bottom:30px;display:flex}.back-button{color:#fff;cursor:pointer;background:#6c757d;border:none;border-radius:6px;padding:10px 20px;font-weight:500}.back-button:hover{background:#5a6268}.profile-header h1{color:#333;margin:0;font-size:28px}.save-message{color:#155724;background:#d4edda;border:1px solid #c3e6cb;border-radius:6px;margin-bottom:20px;padding:12px 20px}.profile-content{max-width:800px;margin:0 auto}.profile-card{background:#fff;border-radius:12px;align-items:flex-start;gap:30px;margin-bottom:30px;padding:30px;display:flex;box-shadow:0 2px 8px #0000001a}.profile-avatar{flex-shrink:0}.profile-avatar img{object-fit:cover;border:4px solid #e9ecef;border-radius:50%;width:120px;height:120px}.avatar-placeholder{color:#fff;pointer-events:none;background:#667eea;border-radius:50%;justify-content:center;align-items:center;width:120px;height:120px;font-size:48px;font-weight:700;display:flex}.profile-info{flex:1}.view-mode h2{color:#333;margin:0 0 10px;font-size:24px}.email{color:#666;margin-bottom:20px;font-size:16px}.edit-button{color:#fff;cursor:pointer;background:#667eea;border:none;border-radius:6px;padding:10px 20px;font-weight:500;transition:background-color .2s}.edit-button:hover{background:#5a67d8}.edit-form{width:100%}.form-group{margin-bottom:20px}.form-group label{color:#333;margin-bottom:5px;font-weight:500;display:block}.form-group input{border:1px solid #ddd;border-radius:6px;width:100%;padding:10px 12px;font-size:14px}.form-group input:focus{border-color:#667eea;outline:none;box-shadow:0 0 0 2px #667eea1a}.form-actions{gap:10px;display:flex}.save-button{color:#fff;cursor:pointer;background:#28a745;border:none;border-radius:6px;padding:10px 20px;font-weight:500}.save-button:hover{background:#218838}.cancel-button{color:#fff;cursor:pointer;background:#6c757d;border:none;border-radius:6px;padding:10px 20px;font-weight:500}.cancel-button:hover{background:#5a6268}.stats-section{background:#fff;border-radius:12px;margin-bottom:30px;padding:30px;box-shadow:0 2px 8px #0000001a}.stats-section h3{color:#333;margin:0 0 20px;font-size:20px}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;display:grid}.stat-item{text-align:center;background:#f8f9fa;border-radius:8px;padding:20px}.stat-number{color:#667eea;margin-bottom:5px;font-size:36px;font-weight:700}.stat-label{color:#666;font-size:14px}.recent-exams-section{background:#fff;border-radius:12px;margin-bottom:30px;padding:30px;box-shadow:0 2px 8px #0000001a}.recent-exams-section h3{color:#333;margin:0 0 20px;font-size:20px}.account-info{background:#fff;border-radius:12px;padding:30px;box-shadow:0 2px 8px #0000001a}.account-info h3{color:#333;margin:0 0 20px;font-size:20px}.info-item{border-bottom:1px solid #e9ecef;justify-content:space-between;padding:12px 0;display:flex}.info-item:last-child{border-bottom:none}.info-label{color:#666;font-weight:500}.info-value{color:#333}.loading,.error{color:#666;justify-content:center;align-items:center;min-height:200px;font-size:18px;display:flex}.error{color:#dc3545;flex-direction:column;gap:20px}@media (width<=768px){.profile-page{padding:15px}.profile-header{flex-direction:column;align-items:stretch;gap:15px}.profile-header h1{text-align:center;font-size:24px}.profile-card{text-align:center;flex-direction:column;align-items:center;gap:20px}.stats-grid{grid-template-columns:1fr}.info-item{flex-direction:column;gap:5px}}@media (width<=480px){.profile-card,.stats-section,.recent-exams-section,.account-info{padding:20px 15px}.profile-avatar img,.avatar-placeholder{width:80px;height:80px}.avatar-placeholder{font-size:32px}.stat-number{font-size:28px}}.coupon-section{background:#fff;border-radius:12px;margin-bottom:30px;padding:30px;box-shadow:0 2px 8px #0000001a}.coupon-section h3{color:#333;margin:0 0 20px;font-size:20px}.coupon-form{align-items:center;gap:10px;display:flex}.coupon-form input{border:2px solid #e9ecef;border-radius:8px;flex:1;padding:12px 16px;font-size:16px;transition:border-color .3s}.coupon-form input:focus{border-color:#667eea;outline:none;box-shadow:0 0 0 3px #667eea1a}.coupon-form button{color:#fff;cursor:pointer;background:linear-gradient(135deg,#667eea,#764ba2);border:none;border-radius:8px;padding:12px 24px;font-size:16px;font-weight:600;transition:all .2s;box-shadow:0 2px 4px #0000001a}.coupon-form button:hover{background:linear-gradient(135deg,#5a67d8,#6b46c1);transform:translateY(-1px);box-shadow:0 3px 6px #0000001f}@media (width<=480px){.coupon-form{flex-direction:column;align-items:stretch}.coupon-form button{margin-top:10px}}.ranking-page{max-width:1200px;min-height:100vh;margin:0 auto;padding:24px}.ranking-header{margin-bottom:20px}.ranking-header h1{color:#111827;margin:0 0 6px;font-size:30px;font-weight:700}.ranking-header p{color:#64748b;margin:0;font-size:14px}.ranking-controls{background:#fff;border:1px solid #e5e7eb;border-radius:12px;flex-wrap:wrap;align-items:end;gap:14px;margin-bottom:14px;padding:14px;display:flex}.control-group{flex-direction:column;gap:6px;display:flex}.control-group label{color:#475467;font-size:12px;font-weight:700}.control-group select{color:#111827;background:#fff;border:1px solid #d0d5dd;border-radius:8px;min-width:180px;padding:10px 12px}.control-group select:focus{border-color:#93c5fd;outline:none;box-shadow:0 0 0 3px #93c5fd4d}.view-mode-toggle{border:1px solid #d0d5dd;border-radius:8px;display:flex;overflow:hidden}.view-mode-toggle button{color:#475467;cursor:pointer;background:#fff;border:none;padding:10px 14px;font-weight:600}.view-mode-toggle button+button{border-left:1px solid #e5e7eb}.view-mode-toggle button.active{color:#1d4ed8;background:#eff6ff}.export-btn{color:#fff;cursor:pointer;background:#16a34a;border:1px solid #16a34a;border-radius:8px;padding:10px 14px;font-weight:600}.export-btn:hover{background:#15803d;border-color:#15803d}.loading-spinner{place-items:center;gap:10px;padding:56px 0;display:grid}@keyframes ranking-spin{to{transform:rotate(360deg)}}.ranking-table-wrap{-webkit-overflow-scrolling:touch;background:#fff;border:1px solid #e5e7eb;border-radius:12px;overflow:auto hidden}.podium-wrap{background:#fff;border:1px solid #e5e7eb;border-radius:12px;margin-bottom:12px;padding:14px}.podium-grid{grid-template-columns:repeat(3,minmax(0,1fr));align-items:end;gap:10px;display:grid}.podium-card{text-align:center;background:#f8fafc;border:1px solid #e5e7eb;border-radius:12px;padding:12px}.podium-card-empty{visibility:hidden}.podium-card.rank-1{background:linear-gradient(#fff7ed 0%,#ffedd5 100%);border-color:#fdba74;min-height:155px}.podium-card.rank-2{background:linear-gradient(#f8fafc 0%,#eef2f7 100%);border-color:#cbd5e1;min-height:140px}.podium-card.rank-3{background:linear-gradient(#fef3c7 0%,#fde68a 100%);border-color:#f59e0b;min-height:130px}.podium-card.is-current-user{box-shadow:inset 0 0 0 2px #93c5fd}.podium-rank{margin-bottom:8px;font-size:24px}.podium-user{color:#111827;flex-wrap:wrap;justify-content:center;align-items:center;gap:6px;font-size:14px;font-weight:700;display:inline-flex}.podium-score{color:#0f172a;margin-top:8px;font-size:20px;font-weight:800}.ranking-table{border-collapse:collapse;table-layout:fixed;width:100%;min-width:560px}.ranking-table th{color:#64748b;letter-spacing:.03em;background:#f8fafc;border-bottom:1px solid #e5e7eb;padding:12px 10px;font-size:12px;font-weight:700}.ranking-table td{color:#334155;text-align:center;border-bottom:1px solid #f1f5f9;padding:12px 10px;font-size:14px}.ranking-table tr:last-child td{border-bottom:none}.ranking-table tbody tr:hover{background:#f8fafc}.ranking-table tr.is-current-user{background:#eff6ff}.ranking-table tr.rank-top-1 .rank-cell{color:#b45309}.ranking-table tr.rank-top-2 .rank-cell{color:#475467}.ranking-table tr.rank-top-3 .rank-cell{color:#92400e}.col-rank{width:96px}.col-score{width:120px}.rank-cell{font-weight:700}.user-cell{text-align:left!important}.user-name{white-space:nowrap;text-overflow:ellipsis;color:#111827;max-width:100%;font-weight:600;display:inline-block;overflow:hidden}.you-badge{color:#fff;background:#1d4ed8;border-radius:999px;margin-left:8px;padding:2px 8px;font-size:11px;font-weight:700}.score-cell{color:#111827;font-weight:700}.no-rankings{text-align:center;color:#64748b;padding:56px 0}.load-more{justify-content:center;margin-top:14px;display:flex}.load-more-btn{color:#344054;cursor:pointer;background:#fff;border:1px solid #d0d5dd;border-radius:8px;padding:10px 16px;font-weight:600}.load-more-btn:hover{background:#f8fafc}.my-rank-section{background:#fff;border:1px solid #e5e7eb;border-radius:12px;margin-top:18px;padding:14px}.my-rank-section h3{color:#111827;margin:0 0 10px;font-size:18px}.my-rank-card{background:#eff6ff;border:1px solid #bfdbfe;border-radius:10px;align-items:center;gap:10px;padding:10px 12px;display:flex}.my-rank-label{color:#1e3a8a;font-size:13px;font-weight:600}.my-rank-card strong{color:#1d4ed8;font-size:18px}.my-rank-score{color:#1e3a8a;margin-left:auto;font-weight:700}.rank-summary{color:#64748b;margin:10px 0 0;font-size:13px}.table-empty{color:#64748b;text-align:center}@media (width<=768px){.ranking-page{padding:14px}.ranking-controls{gap:10px}.podium-grid{grid-template-columns:1fr}.podium-card.rank-1,.podium-card.rank-2,.podium-card.rank-3{min-height:auto}.control-group{width:100%}.control-group select{min-width:100%}.ranking-table{min-width:500px}}@media (width<=480px){.ranking-table{min-width:420px}.ranking-table th,.ranking-table td{padding:10px 8px;font-size:12px}.col-rank{width:72px}.col-score{width:88px}.you-badge{margin-left:4px;padding:2px 6px}}.loading-container{background:radial-gradient(circle at 20% 20%,#465fff38,#0000 42%),radial-gradient(circle at 80% 0,#0ba5ec33,#0000 38%),#0f172a;justify-content:center;align-items:center;min-height:100vh;display:flex}.loading-spinner{color:#f8fafc;flex-direction:column;align-items:center;gap:14px;font-size:15px;font-weight:600;display:flex}.spinner{border:4px solid #fff3;border-top-color:#fff;border-radius:999px;width:40px;height:40px;animation:.85s linear infinite spin}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}