:root{font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:#1f2937;background:#f8fafc}html[data-theme=dark]{color:#e5e7eb;background:#0b1220}*{box-sizing:border-box}body{margin:0;min-height:100vh;color:#1f2937;background:#f8fafc}html[data-theme=dark] body{color:#e5e7eb;background:#0b1220}a{color:inherit;text-decoration:none}.app-shell{display:grid;grid-template-columns:240px 1fr;min-height:100vh}.sidebar{background:#111827;display:grid;align-content:start;grid-auto-rows:max-content;gap:10px;padding:16px;overflow-y:auto}.sidebar-header{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 12px 14px;margin-bottom:16px}.sidebar-title-wrap{display:flex;align-items:center;gap:10px}.sidebar-brand-logo{width:28px;height:28px;border-radius:6px;object-fit:cover;flex-shrink:0}.sidebar-brand-logo--160{width:160px;height:160px;border-radius:12px;object-fit:contain;flex-shrink:0}.sidebar-brand-logo--fixed-160{width:160px;height:160px;object-fit:contain;flex-shrink:0}.sidebar-close{display:none;background:none;border:none;color:#f9fafb;cursor:pointer;padding:4px;border-radius:6px}.sidebar-close:hover{background:#1f2937}.sidebar-overlay{display:none}.sidebar-hamburger{display:none;background:none;border:none;color:inherit;cursor:pointer;padding:4px;border-radius:6px}.sidebar-hamburger:hover{background:#e5e7eb}html[data-theme=dark] .sidebar-hamburger:hover{background:#1f2937}.topbar-hide-mobile{display:inline}@media(max-width:768px){.topbar-hide-mobile{display:none}}@media(max-width:768px){.app-shell{grid-template-columns:1fr}.sidebar{position:fixed;top:0;left:0;bottom:0;width:260px;z-index:100;transform:translate(-100%);transition:transform .25s ease}.sidebar--open{transform:translate(0)}.sidebar-close{display:block}.sidebar-overlay{display:block;position:fixed;top:0;right:0;bottom:0;left:0;z-index:99;background:#00000073;opacity:0;pointer-events:none;transition:opacity .25s ease}.sidebar-overlay--visible{opacity:1;pointer-events:auto}.sidebar-hamburger{display:block}}.sidebar-title{font-size:18px;font-weight:700}.topbar-brand-logo{max-height:40px;height:auto;width:auto;border-radius:10px;object-fit:cover}.topbar-brand-logo--160{width:160px;height:160px;border-radius:12px;object-fit:contain}.topbar-brand-logo--fixed-160{width:160px;height:160px;object-fit:contain}.nav-item{display:block;padding:10px 12px;border-radius:8px;margin-bottom:8px;background:transparent}.nav-item.active,.nav-item:hover{background:#1f2937}html[data-theme=dark] .sidebar{background:#0b1220}html[data-theme=dark] .nav-item{color:#e5e7eb}html[data-theme=dark] .nav-item.active,html[data-theme=dark] .nav-item:hover{background:#ffffff0f;color:#fff}html[data-theme=light] .sidebar{background:#fff}html[data-theme=light] .nav-item{color:#111827}html[data-theme=light] .nav-item.active,html[data-theme=light] .nav-item:hover{background:#f3f4f6;color:#111827}.main-panel{display:flex;flex-direction:column}.topbar{height:64px;background:#fff;border-bottom:1px solid #e5e7eb;display:flex;align-items:center;justify-content:space-between;padding:0 16px}html[data-theme=dark] .topbar{background:#0f172a;border-bottom-color:#1f2937}.content{padding:20px}.card{background:#fff;border:1px solid #e5e7eb;border-radius:12px;padding:16px}html[data-theme=dark] .card{background:#0f172a;border-color:#1f2937}.auth-page{min-height:100vh;display:grid;place-items:center;padding:20px}.auth-form{width:100%;max-width:360px;display:grid;gap:12px;background:#fff;border:1px solid #e5e7eb;border-radius:12px;padding:20px}.input,.button,.select{width:100%;padding:10px 12px;border-radius:8px;border:1px solid #d1d5db;font:inherit}html[data-theme=dark] .input,html[data-theme=dark] .select{background:#0b1220;border-color:#334155;color:#e5e7eb}.button{background:#2563eb;border:none;color:#fff;font-weight:600;cursor:pointer}.button.secondary{background:#374151}.error{color:#b91c1c;font-size:14px}.global-loading-bar{height:3px;width:100%;background:#2563eb}.virtual-abacus{display:grid;gap:12px}.virtual-abacus__top{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.virtual-abacus__valueNumber{font-size:22px;font-weight:800}.virtual-abacus__board{--rod-width: 62px;display:grid;grid-auto-flow:column;gap:12px;grid-template-columns:repeat(var(--columns),minmax(48px,1fr));padding-bottom:6px}.virtual-abacus__rod{display:grid;justify-items:center;gap:10px;padding:12px 8px;border:2px solid #e5e7eb;border-radius:14px;position:relative}html[data-theme=dark] .virtual-abacus__rod{border-color:#1f2937}.virtual-abacus__rod.is-units{border-color:#2563eb;border-width:3px;background:#f1f5f9}html[data-theme=dark] .virtual-abacus__rod.is-units{border-color:#2563eb;background:#0b1220}.virtual-abacus__rod.is-units:after{content:"";position:absolute;top:8px;bottom:20px;right:-8px;width:3px;background:#e5e7eb;border-radius:999px}html[data-theme=dark] .virtual-abacus__rod.is-units:after{background:#1f2937}.virtual-abacus__bar{width:100%;height:6px;background:#111827;border-radius:999px;opacity:.9}html[data-theme=dark] .virtual-abacus__bar{background:#374151}.virtual-abacus__lower{display:grid;gap:6px}.virtual-abacus__bead{width:36px;height:22px;border-radius:999px;border:2px solid #cbd5e1;background:#f3f4f6;cursor:pointer;box-shadow:0 2px #0000000a inset}html[data-theme=dark] .virtual-abacus__bead{border-color:#334155;background:#0b1220}.virtual-abacus__bead--lower.is-active{background:#1e40af;border-color:#1e40af}.virtual-abacus__bead--upper.is-active{background:#b91c1c;border-color:#b91c1c}html[data-theme=dark] .virtual-abacus__bead--lower.is-active{background:#3b82f6;border-color:#3b82f6}html[data-theme=dark] .virtual-abacus__bead--upper.is-active{background:#fb7185;border-color:#fb7185}html[data-theme=dark] .virtual-abacus__place{color:#9ca3af}html[data-theme=dark] .virtual-abacus__rod.is-units{background:#071025}.virtual-abacus__bead--upper{height:20px}.virtual-abacus__place{font-size:11px;text-align:center;max-width:64px}.superadmin-dashboard{display:grid;gap:18px}.dash-header{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;flex-wrap:wrap}.dash-header__actions{display:flex;gap:12px;flex-wrap:wrap}@media(max-width:640px){.dash-header__actions{width:100%}.dash-header__actions .button{width:100%!important}}.dash-section{display:grid;gap:10px}.dash-grid-2{display:grid;gap:12px}@media(min-width:960px){.dash-grid-2{grid-template-columns:repeat(2,minmax(0,1fr));align-items:start}}.dash-card{display:grid;gap:10px}.dash-card__title{font-weight:700}.dash-card__subtitle{font-size:12px;color:#6b7280}.info-grid{display:grid;grid-template-columns:180px 1fr;gap:8px;align-items:center}@media(max-width:640px){.info-grid{grid-template-columns:1fr}}.info-grid__label{color:#6b7280;font-size:12px}.info-grid__value{min-width:0}.dash-table-wrap{padding:0;overflow-x:auto}.dash-table{width:100%;border-collapse:collapse}.dash-table th{text-align:left;padding:12px;border-bottom:1px solid #e5e7eb;font-size:12px;color:#6b7280;font-weight:600;white-space:nowrap}.dash-table td{padding:12px;border-bottom:1px solid #f3f4f6;vertical-align:top}.ws-attempt-page{min-height:calc(100vh - 64px)}.ws-attempt-page--exam{background:radial-gradient(900px circle at 10% 0%,rgba(51,102,255,.14),transparent 60%),radial-gradient(900px circle at 100% 100%,rgba(255,170,0,.12),transparent 60%),linear-gradient(180deg,#0b1220,#111827);padding:18px 14px 40px}.ws-attempt-page__panel{max-width:1280px;margin:0 auto}.ws-exam-shell{background:#fff;border:1px solid #e5e7eb;border-radius:16px;padding:0;overflow:hidden}.ws-exam-header{border-radius:0;border:none;border-bottom:1px solid #e5e7eb;margin:0;padding:20px 20px 16px}.ws-exam-title{text-transform:uppercase;font-size:32px;letter-spacing:.02em}.ws-countdown-pill{display:inline-flex;align-items:center;gap:6px;padding:10px 12px;border-radius:12px;border:1px solid #d1d5db;background:#fff;font-size:12px;color:#6b7280;white-space:nowrap}html[data-theme=dark] .ws-countdown-pill{background:#0b1220;border-color:#334155;color:#9ca3af}.ws-end-test{background:transparent;border:1px solid #b91c1c;color:#b91c1c}.ws-end-test:hover{opacity:.9}html[data-theme=dark] .ws-end-test{border-color:#fca5a5;color:#fca5a5}.ws-colsum-grid{display:grid;gap:10px;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));padding-bottom:110px}.ws-attempt-page--exam .ws-colsum-grid{gap:10px;grid-template-columns:repeat(10,minmax(0,1fr));padding:10px 12px 14px}@media(min-width:1024px){.ws-colsum-grid{grid-template-columns:repeat(10,minmax(0,1fr))}}.ws-colsum-card{padding:34px 12px 12px;min-height:240px;display:flex;flex-direction:column;justify-content:space-between;gap:10px;overflow:visible;position:relative;background:#f3f4f6;border-color:#d1d5db;border-radius:6px}.ws-attempt-page--exam .ws-colsum-card{border-radius:4px;min-height:205px;padding:14px 8px 8px}.ws-attempt-page--exam .ws-colsum-card__num{display:none}.ws-attempt-page--exam .ws-colsum-card__numbers{width:54px;gap:0;font-size:18px;line-height:1.05}.ws-attempt-page--exam .ws-colsum-card__line{width:56px;margin-top:6px}.ws-attempt-page--exam .ws-colsum-input{width:50px;min-height:28px;padding:4px 6px;font-size:12px}@media(max-width:1200px){.ws-attempt-page--exam .ws-colsum-grid{grid-template-columns:repeat(8,minmax(0,1fr))}.ws-exam-title{font-size:26px}}@media(max-width:900px){.ws-attempt-page--exam .ws-colsum-grid{grid-template-columns:repeat(6,minmax(0,1fr))}}.ws-colsum-card__mid{flex:1;display:flex;flex-direction:column;justify-content:center;align-items:center;padding-top:2px}.ws-colsum-card__num{position:absolute;top:10px;left:10px;font-size:11px;font-weight:700;color:#6b7280;z-index:1}.ws-colsum-card__numbers{display:flex;flex-direction:column;justify-content:center;align-items:center;width:64px;max-width:100px;margin:0 auto;gap:2px;font-size:12px;line-height:1.1;font-variant-numeric:tabular-nums;text-align:center;white-space:nowrap;border:none;background:transparent;content-visibility:auto;contain:content}.ws-colsum-card__line{width:64px;margin:8px auto 0;border-top:1px solid #111827;opacity:1}.ws-colsum-input{width:56px;display:block;margin:0 auto;padding:6px 8px;font-size:12px;font-weight:600;border:1px solid #9ca3af;border-radius:4px}html[data-theme=dark] .ws-colsum-card__num{background:#1f2937;color:#f9fafb}html[data-theme=dark] .dash-table th{border-bottom-color:#1f2937}html[data-theme=dark] .dash-table td{border-bottom-color:#111827}.muted{color:#6b7280}.attempt-header-strong{color:#111827;font-weight:700}html[data-theme=dark] .muted{color:#9ca3af}html[data-theme=dark] .attempt-header-strong{color:#e5e7eb}.timer-soon{color:#b91c1c}html[data-theme=dark] .timer-soon{color:#fca5a5}.form-grid{display:grid;gap:12px;grid-template-columns:1fr}@media(min-width:720px){.form-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}.form-field{display:grid;gap:6px}.form-label{font-size:12px;font-weight:600;color:#6b7280}.chip-row{display:flex;flex-wrap:wrap;gap:10px}.chip{display:inline-flex;align-items:center;gap:8px;padding:8px 10px;border:1px solid #e5e7eb;border-radius:999px;-webkit-user-select:none;user-select:none}html[data-theme=dark] .chip{border-color:#1f2937}.dash-kpi-grid{display:grid;gap:12px;grid-template-columns:1fr}.list-page-header{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}@media(max-width:640px){.list-page-header{align-items:stretch}.list-page-header .button{width:100%!important}}@media(min-width:720px){.dash-kpi-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(min-width:1100px){.dash-kpi-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}.dash-skeleton{display:grid;gap:10px}.dash-skeleton__line{height:12px;border-radius:8px;background:linear-gradient(90deg,#e5e7eb 25%,#f3f4f6 37%,#e5e7eb 63%);background-size:400% 100%;animation:dash-skeleton 1.2s ease-in-out infinite}@keyframes dash-skeleton{0%{background-position:100% 0}to{background-position:0 0}}.dash-modal{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000059;display:grid;place-items:center;padding:16px;z-index:60}.dash-modal__panel{width:100%;max-width:520px}.dash-modal__header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}.login-page{--login-blue: #3366ff;--login-orange: #ffaa00;--login-gray-900: #111827;--login-gray-700: #374151;--login-gray-300: #d1d5db;--login-gray-200: #e5e7eb;--login-white: #ffffff;padding:40px 20px}html[data-theme=dark] .login-page{--login-gray-900: #e5e7eb;--login-gray-700: #9ca3af;--login-gray-300: #334155;--login-gray-200: #1f2937;--login-white: #0f172a}.login-grid{width:100%;max-width:920px;display:grid;grid-template-columns:1fr;grid-template-areas:"right" "left";gap:24px;align-items:start}@media(min-width:900px){.login-grid{grid-template-columns:3fr 2fr;grid-template-areas:"left right";align-items:stretch}}.login-panel--left{grid-area:left}.login-panel--right{grid-area:right}.login-hero{position:relative;overflow:hidden;border:1px solid var(--login-gray-200);border-radius:16px;padding:32px;min-height:420px;display:grid;align-content:center;justify-items:center;text-align:center;background:radial-gradient(900px circle at 10% 0%,rgba(51,102,255,.18),transparent 60%),radial-gradient(900px circle at 100% 100%,rgba(255,170,0,.14),transparent 60%),linear-gradient(180deg,var(--login-white),#f8fafc)}html[data-theme=dark] .login-hero{border-color:var(--login-gray-200);background:radial-gradient(900px circle at 10% 0%,rgba(51,102,255,.16),transparent 60%),radial-gradient(900px circle at 100% 100%,rgba(255,170,0,.12),transparent 60%),linear-gradient(180deg,var(--login-white),#0b1220)}.login-hero:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background-image:linear-gradient(0deg,rgba(17,24,39,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(17,24,39,.06) 1px,transparent 1px);background-size:36px 36px;opacity:.35;pointer-events:none}html[data-theme=dark] .login-hero:before{background-image:linear-gradient(0deg,rgba(226,232,240,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(226,232,240,.06) 1px,transparent 1px);opacity:.25}.login-hero>*{position:relative}.login-hero-logo{width:80px;height:80px;border-radius:16px;background:var(--login-blue);color:var(--login-white);display:grid;place-items:center;font-weight:800;font-size:24px;margin-bottom:18px;box-shadow:0 10px 30px #3366ff38}.login-hero-title{margin:0;font-size:36px;line-height:1.08;letter-spacing:-.02em}.login-hero-subtitle{margin:12px 0 0;color:var(--login-gray-700);font-size:18px;max-width:560px}.login-badges{width:100%;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:22px}@media(max-width:420px){.login-badges{grid-template-columns:1fr}}.login-badge{background:#fffc;border:1px solid var(--login-gray-200);border-radius:14px;padding:14px 12px}html[data-theme=dark] .login-badge{background:#0f172acc;border-color:var(--login-gray-200)}.login-badge-value{font-weight:800;font-size:20px}.login-badge-label{margin-top:4px;color:var(--login-gray-700);font-size:13px}.login-form{border:1px solid var(--login-gray-200);border-radius:16px;background:var(--login-white);padding:24px;box-shadow:0 14px 30px #1118270f}html[data-theme=dark] .login-form{box-shadow:none}.login-form-header{display:flex;gap:12px;align-items:center;margin-bottom:16px}.login-brand{display:flex;align-items:center;gap:12px;margin-bottom:12px}.login-logo{width:48px;height:48px;border-radius:8px;background:var(--login-blue);color:var(--login-white);display:grid;place-items:center;font-weight:700}.login-logo--small{width:40px;height:40px;border-radius:10px}.login-title{font-size:24px;font-weight:700}.login-subtitle,.login-muted{color:var(--login-gray-700);font-size:16px;opacity:.9}.login-label{font-size:14px;color:var(--login-gray-700);font-weight:600}.login-form-body{display:grid;gap:12px}.login-field{display:grid;gap:6px}.login-field-error{color:#b91c1c;font-size:13px}.login-input-wrap{position:relative}.login-input-icon{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--login-gray-700);opacity:.7;pointer-events:none}html[data-theme=dark] .login-page .input::placeholder{color:#9ca3af}.login-input{padding-left:40px;transition:border-color .22s ease,box-shadow .22s ease;font-size:16px;padding-top:12px;padding-bottom:12px}.login-page .input:focus{outline:none;border-color:var(--login-blue);box-shadow:0 0 0 4px #3366ff26}.login-password{position:relative}.login-password-input{padding-right:56px;font-size:16px;padding-top:12px;padding-bottom:12px}.login-password-toggle{position:absolute;right:10px;top:50%;transform:translateY(-50%);height:36px;width:44px;border-radius:10px;border:1px solid var(--login-gray-300);background:var(--login-white);color:var(--login-gray-900);display:grid;place-items:center;cursor:pointer;transition:border-color .22s ease,transform .22s ease}.login-password-toggle:hover{border-color:var(--login-blue)}.login-eye{display:inline-grid}.login-row{display:flex;align-items:center;justify-content:space-between;gap:12px}.login-remember{display:flex;align-items:center;gap:8px;font-size:14px}.login-link{font-size:14px;font-weight:600;color:var(--login-blue);transition:opacity .22s ease}.login-link:hover{opacity:.85}.login-status{min-height:20px}.login-page .button.login-primary{background:var(--login-blue);transition:transform .22s ease,opacity .22s ease;font-size:16px;padding:12px 14px}.login-page .button.login-primary:hover{transform:translateY(-1px)}.login-page .button:disabled{opacity:.6;cursor:not-allowed}.login-secondary{display:grid;place-items:center;width:100%;padding:12px 14px;border-radius:8px;border:1px solid var(--login-blue);color:var(--login-blue);font-weight:700;font-size:15px;transition:background .22s ease,color .22s ease,opacity .22s ease}.login-secondary:hover{background:#3366ff14}.notif-bell-wrap{position:relative}.notif-bell-btn{position:relative;display:grid;place-items:center;background:none;border:1px solid #d1d5db;border-radius:8px;width:36px;height:36px;cursor:pointer;color:inherit;transition:background .15s ease}.notif-bell-btn:hover{background:#f3f4f6}html[data-theme=dark] .notif-bell-btn{border-color:#334155}html[data-theme=dark] .notif-bell-btn:hover{background:#1f2937}.notif-bell-badge{position:absolute;top:-5px;right:-5px;min-width:18px;height:18px;padding:0 5px;border-radius:999px;background:#dc2626;color:#fff;font-size:10px;font-weight:700;display:grid;place-items:center;line-height:1;pointer-events:none}.notif-dropdown{position:absolute;top:calc(100% + 8px);right:0;width:340px;max-height:440px;background:#fff;border:1px solid #e5e7eb;border-radius:12px;box-shadow:0 12px 32px #0000001f;display:flex;flex-direction:column;z-index:80;overflow:hidden}html[data-theme=dark] .notif-dropdown{background:#0f172a;border-color:#1f2937;box-shadow:0 12px 32px #00000059}.notif-dropdown__header{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;border-bottom:1px solid #e5e7eb;font-size:14px}html[data-theme=dark] .notif-dropdown__header{border-bottom-color:#1f2937}.notif-mark-all{background:none;border:none;color:#2563eb;font-size:12px;font-weight:600;cursor:pointer;padding:2px 6px;border-radius:4px}.notif-mark-all:hover{background:#2563eb14}.notif-dropdown__list{flex:1;overflow-y:auto;max-height:340px}.notif-empty{padding:24px 14px;text-align:center;color:#6b7280;font-size:13px}.notif-item{padding:10px 14px;cursor:pointer;border-bottom:1px solid #f3f4f6;transition:background .12s ease}.notif-item:hover{background:#f9fafb}html[data-theme=dark] .notif-item{border-bottom-color:#111827}html[data-theme=dark] .notif-item:hover{background:#111827}.notif-item--unread{background:#eff6ff;border-left:3px solid #2563eb}html[data-theme=dark] .notif-item--unread{background:#0c1a30;border-left-color:#3b82f6}.notif-item__title{font-size:13px;font-weight:600;margin-bottom:2px}.notif-item__msg{font-size:12px;color:#6b7280;line-height:1.4;display:-webkit-box;line-clamp:2;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.notif-item__time{font-size:11px;color:#9ca3af;margin-top:4px}.notif-dropdown__footer{display:block;text-align:center;padding:10px 14px;font-size:13px;font-weight:600;color:#2563eb;border-top:1px solid #e5e7eb;transition:background .12s ease}.notif-dropdown__footer:hover{background:#f9fafb}html[data-theme=dark] .notif-dropdown__footer{border-top-color:#1f2937}html[data-theme=dark] .notif-dropdown__footer:hover{background:#111827}@media(max-width:400px){.notif-dropdown{width:calc(100vw - 32px);right:-8px}}