:root{--brand: #0b4fc4;--brand-ink: #082f78;--brand-soft: #e8effc;--gold: #c98a2b;--gold-soft: #f8ecd8;--ink: #101826;--ink-muted: #5b6472;--paper: #f5f7fb;--surface: #ffffff;--line: #dee3ec;--success: #1e8e5a;--success-soft: #e3f5ec;--danger: #d6455b;--danger-soft: #fbe8ec;--warning: #b8791f;--warning-soft: #faf1e0;--bg: var(--paper);--card: var(--surface);--text: var(--ink);--muted: var(--ink-muted);--ok: var(--success);--err: var(--danger);--warn: var(--warning);--danger-legacy: #cb6a2e;--sp-1: 4px;--sp-2: 8px;--sp-3: 12px;--sp-4: 16px;--sp-5: 24px;--sp-6: 32px;--sp-7: 48px;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px;--shadow: 0 1px 2px rgba(16,24,38,.06), 0 4px 12px rgba(16,24,38,.06);--shadow-lg: 0 8px 16px rgba(16,24,38,.1), 0 24px 48px rgba(16,24,38,.14);--font-head: "Cairo", system-ui, sans-serif;--font-body: "Tajawal", system-ui, sans-serif;--font-num: "Inter", system-ui, sans-serif}*{box-sizing:border-box}body{margin:0;font-family:var(--font-body);font-size:15px;background:var(--paper);color:var(--ink);line-height:1.5}a{color:var(--brand);text-decoration:none}h1,h2,h3{margin:.5em 0;font-family:var(--font-head);font-weight:700;line-height:1.25;color:var(--ink)}h1{font-size:28px}h2{font-size:22px}h3{font-size:18px}hr{border:0;border-top:1px solid var(--line);margin:var(--sp-3) 0}.ltr{direction:ltr;unicode-bidi:plaintext;font-family:var(--font-num);font-weight:500;font-variant-numeric:tabular-nums}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}}:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:var(--radius-sm)}.shell{min-height:100vh;display:flex}.shell-main{flex:1;min-width:0;display:flex;flex-direction:column;min-height:100vh}.topbar{display:flex;align-items:center;gap:var(--sp-4);padding:10px var(--sp-5);background:var(--surface);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10;flex-wrap:wrap}.brand{color:var(--brand);font-size:1.3rem;font-family:var(--font-head)}.page{flex:1;padding:var(--sp-5);width:100%;max-width:1000px;margin:0 auto}.narrow{max-width:720px;margin:0 auto}.footer{text-align:center;padding:var(--sp-4);font-size:.85rem;color:var(--ink-muted)}.center{text-align:center}.center-page{text-align:center;margin-top:30vh}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:20px;margin:var(--sp-3) 0;overflow-wrap:anywhere}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:var(--sp-3)}.grid .card{margin:0}.row{display:flex;align-items:center;gap:var(--sp-2)}.row.between{justify-content:space-between}.row.wrap{flex-wrap:wrap}.muted{color:var(--ink-muted);font-size:13px;font-weight:500}.error{color:var(--danger)}.ok{color:var(--success)}.big{font-size:2rem;font-weight:700;font-family:var(--font-head);color:var(--brand)}label{display:block;font-size:.85rem;font-weight:500;color:var(--ink-muted);margin:var(--sp-2) 0}input,select,textarea{width:100%;padding:10px 12px;min-height:44px;border:1px solid var(--line);border-radius:var(--radius-md);font:inherit;font-family:var(--font-body);background:var(--surface);color:var(--ink);margin-top:4px;transition:border-color .15s ease,box-shadow .15s ease}input:focus-visible,select:focus-visible,textarea:focus-visible{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}textarea{min-height:88px}input[type=radio],input[type=checkbox]{width:20px;height:20px;min-height:0;margin:0 6px;accent-color:var(--brand)}button,.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:44px;padding:10px 18px;border:0;border-radius:var(--radius-md);background:var(--brand);color:#fff;font:inherit;font-family:var(--font-head);font-weight:700;font-size:.95rem;cursor:pointer;transition:background-color .15s ease,transform .05s ease,box-shadow .15s ease}button:hover,.btn:hover{background:var(--brand-ink)}button:active,.btn:active{transform:translateY(1px)}button:disabled,.btn[aria-disabled=true]{opacity:.5;cursor:not-allowed}button:disabled:hover{background:var(--brand)}button.ghost,.btn.ghost{background:transparent;color:var(--brand);border:1px solid var(--line)}button.ghost:hover,.btn.ghost:hover{background:var(--brand-soft);color:var(--brand-ink);border-color:var(--brand-soft)}button.danger,.btn.danger{background:var(--danger)}button.danger:hover,.btn.danger:hover{background:#b23a4d}button.link{background:none;color:var(--brand);padding:0;min-height:0;font-family:var(--font-body);font-weight:500}button.link:hover{background:none;text-decoration:underline}.auth-wrap{min-height:100vh;display:grid;place-items:center;padding:var(--sp-5);background:var(--paper)}.auth{width:100%;max-width:440px}.auth h1{color:var(--brand);text-align:center;margin:0}.auth h2{text-align:center;font-size:1.1rem}.auth button{width:100%;margin-top:var(--sp-2)}.seg{display:flex;gap:4px;background:var(--paper);padding:4px;border-radius:var(--radius-md);margin:var(--sp-2) 0}.seg button{flex:1;min-height:38px;background:transparent;color:var(--ink-muted);font-family:var(--font-body);font-weight:600;box-shadow:none}.seg button:hover{background:#0b4fc40f;color:var(--ink)}.seg button.on{background:var(--surface);color:var(--brand-ink);box-shadow:var(--shadow)}.chips{display:flex;flex-wrap:wrap;gap:6px;margin:6px 0}.chip{display:inline-flex;align-items:center;padding:6px 12px;min-height:0;border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:var(--radius-sm);font-size:.85rem;font-family:var(--font-body);font-weight:500;margin:0;cursor:pointer}.chip.on{background:var(--brand-soft);border-color:var(--brand);color:var(--brand-ink)}.chip input{display:none}fieldset{border:1px solid var(--line);border-radius:var(--radius-md);margin:var(--sp-2) 0;padding:var(--sp-3)}.tag{display:inline-block;white-space:nowrap;padding:3px 10px;border-radius:var(--radius-sm);font-size:.78rem;font-weight:600;background:var(--paper);color:var(--ink-muted)}.tag.resolved{background:var(--success-soft);color:var(--success)}.tag.open{background:var(--danger-soft);color:var(--danger)}.tag.in_progress{background:var(--warning-soft);color:var(--warning)}.bell{position:relative}.badge-dot{background:var(--danger);color:#fff;border-radius:999px;font-size:.7rem;padding:0 6px;margin-inline-start:2px}.bell-menu{position:absolute;inset-inline-end:0;top:100%;width:320px;max-height:60vh;overflow:auto;z-index:20;box-shadow:var(--shadow-lg)}.notif{padding:var(--sp-2);border-radius:var(--radius-sm);cursor:pointer}.notif.unread{background:var(--brand-soft)}.support-fab{position:fixed;inset-inline-start:18px;bottom:18px;width:52px;height:52px;border-radius:50%;background:#25d366;display:grid;place-items:center;font-size:1.5rem;box-shadow:var(--shadow-lg)}.choice{display:block;padding:10px 12px;border:1px solid var(--line);border-radius:var(--radius-md);margin:6px 0}.choice.pick{cursor:pointer}.choice.sel{border-color:var(--brand);background:var(--brand-soft)}.choice.right{border-color:var(--success);background:var(--success-soft)}.choice.wrong{border-color:var(--danger);background:var(--danger-soft)}.qimg{max-width:100%;border-radius:var(--radius-md);margin:var(--sp-2) 0}.timer{position:sticky;top:64px;z-index:5}.reply{background:var(--brand-soft);padding:8px 12px;border-radius:var(--radius-md)}.preview{background:var(--paper);padding:8px 12px;border-radius:var(--radius-md);margin:6px 0}.followup{margin-top:var(--sp-3);padding-top:var(--sp-3);border-top:1px dashed var(--line)}.rank{padding:var(--sp-2) 0;border-bottom:1px solid var(--line)}.video{position:relative;padding-top:56.25%;margin-top:10px}.video iframe{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;border:0;border-radius:var(--radius-md)}.logo-sm{height:40px;width:auto}.logo-lg{display:block;margin:0 auto;width:160px;max-width:60%}.chip.tf{padding:8px 18px;font-size:1rem}.chip.right{background:var(--success-soft);border-color:var(--success);color:var(--success);font-weight:700}.crow.right input:not([type=radio]){border-color:var(--success);background:var(--success-soft)}.crow input[type=radio]{accent-color:var(--success)}.nav-rail{display:none}.hide-rail{display:block}.nav-tabbar,.more-sheet{display:none}@media (min-width: 960px){.nav-rail{display:flex;flex-direction:column;width:220px;flex-shrink:0;background:var(--surface);border-inline-end:1px solid var(--line);position:sticky;top:0;height:100vh;overflow-y:auto;padding:var(--sp-4) var(--sp-3)}.rail-brand{display:block;padding:var(--sp-2) var(--sp-2) var(--sp-4)}.rail-links{display:flex;flex-direction:column;gap:2px}.hide-rail{display:none}.nav-rail a{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:var(--radius-md);color:var(--ink);font-weight:600;position:relative}.nav-rail a:hover{background:var(--paper)}.nav-rail a.active{background:var(--brand-soft);color:var(--brand-ink)}.nav-rail .ni{display:flex}}@media (max-width: 959px){.nav-tabbar{position:fixed;inset-inline:0;bottom:0;z-index:30;display:flex;gap:0;justify-content:space-around;background:var(--surface);border-top:1px solid var(--line);padding:4px 4px max(4px,env(safe-area-inset-bottom));box-shadow:0 -4px 16px #10182614}.nav-tabbar a,.nav-tabbar button.tabbar-more{flex:1 1 0;min-width:0;display:flex;flex-direction:column;align-items:center;gap:2px;padding:6px 2px;min-height:0;border-radius:10px;font-size:.66rem;line-height:1.2;text-align:center;color:var(--ink-muted);background:transparent;font-family:var(--font-body);font-weight:500}.nav-tabbar a.active,.nav-tabbar button.tabbar-more.active{background:var(--brand-soft);color:var(--brand-ink)}.nav-tabbar .ni{display:flex;justify-content:center}.more-sheet{display:flex;flex-direction:column;gap:2px;position:fixed;inset-inline:8px;bottom:calc(64px + env(safe-area-inset-bottom));z-index:31;max-height:60vh;overflow-y:auto;box-shadow:var(--shadow-lg)}.more-sheet a{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:var(--radius-md);color:var(--ink);font-weight:600}.more-sheet a.active{background:var(--brand-soft);color:var(--brand-ink)}.page{padding-bottom:96px}.footer{padding-bottom:84px}}.ni,.nav-rail a,.nav-tabbar a,.more-sheet a{position:relative}.show-sm{display:none}.actions{flex-shrink:0}@media (max-width: 768px){html{-webkit-text-size-adjust:100%}body{-webkit-tap-highlight-color:transparent}.hide-sm{display:none!important}.show-sm{display:inline}.topbar{padding:8px 12px;padding-top:max(8px,env(safe-area-inset-top));gap:8px;flex-wrap:nowrap;justify-content:space-between}.logo-sm{height:34px}.actions{gap:6px}.actions button{padding:8px 12px;min-height:40px}.page{padding:14px 12px}h2{font-size:1.15rem}h3{font-size:1.02rem}.card{padding:14px;border-radius:var(--radius-lg);margin:10px 0}.big{font-size:1.7rem}input,select,textarea{font-size:16px;padding:11px 12px;min-height:44px}input[type=radio],input[type=checkbox]{min-height:0;width:20px;height:20px}button,.btn{min-height:44px;padding:10px 16px}.seg button{padding:10px 6px;font-size:.9rem}.chip{padding:6px 12px;font-size:.85rem}.row.between{flex-wrap:wrap;gap:10px}.card>.row.between>.row{width:100%}.card>.row.between>.row>button,.card>.row.between>.row>.btn{flex:1;text-align:center}.row.wrap>select,.row.wrap>input{flex:1 1 140px}.grid{grid-template-columns:1fr}.bell-menu{position:fixed;inset-inline:8px;top:58px;width:auto;max-height:70vh}.notif{padding:12px 10px}.timer{top:52px;padding:10px 14px}.choice{padding:12px 14px}.choice.pick{min-height:48px;display:flex;align-items:center;gap:8px}.qimg{max-height:60vh;object-fit:contain}.auth-wrap{align-items:start;padding:16px 12px}.auth{margin-top:4vh}.support-fab{bottom:calc(76px + env(safe-area-inset-bottom));inset-inline-start:14px;width:48px;height:48px}.video{margin-inline:-4px}.followup textarea{min-height:120px}}@media (max-width: 380px){.nav-tabbar a,.nav-tabbar button.tabbar-more{font-size:.6rem}.actions button{padding:8px 9px}}.table-wrap{overflow:auto;max-height:70vh}table{width:100%;border-collapse:collapse;font-family:var(--font-body)}th,td{padding:11px 12px;text-align:start;border-bottom:1px solid var(--line);font-size:.88rem;white-space:nowrap}th{color:var(--ink-muted);font-weight:600;font-size:.8rem;position:sticky;top:0;background:var(--surface);z-index:1;box-shadow:0 1px 0 var(--line)}tbody tr:hover{background:var(--paper);cursor:pointer}.email-cell{max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.clickable{cursor:pointer}.stack{display:flex;flex-direction:column;gap:var(--sp-2)}.stack .btn,.stack button{width:100%;text-align:center}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#1018268c;display:grid;place-items:center;z-index:50;padding:16px}.modal-sheet{position:relative;width:100%;max-width:520px;max-height:85vh;overflow-y:auto;margin:0;padding-top:44px;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg)}.modal-close{position:absolute;inset-inline-end:10px;top:10px;padding:6px 10px;min-height:36px}@media (max-width: 768px){.email-cell{max-width:100%;display:block}.modal-backdrop{align-items:flex-end;padding:0}.modal-sheet{max-width:100%;max-height:90vh;border-radius:16px 16px 0 0;animation:modal-slide-up .2s ease-out}}@keyframes modal-slide-up{0%{transform:translateY(100%)}to{transform:translateY(0)}}.progress-track{background:var(--paper);border-radius:999px;height:8px;overflow:hidden}.progress-fill{height:100%;border-radius:999px;transition:width .3s ease}.progress-fill.ok{background:var(--success)}.progress-fill.warning{background:var(--warning)}.progress-fill.danger{background:var(--danger-legacy)}.progress-fill.critical{background:var(--danger)}.nav-dot{position:absolute;top:2px;inset-inline-end:6px;width:8px;height:8px;border-radius:50%;background:var(--warning)}.skeleton{background:linear-gradient(90deg,var(--line) 25%,var(--paper) 37%,var(--line) 63%);background-size:400% 100%;animation:skeleton-loading 1.4s ease infinite;border-radius:var(--radius-sm)}@keyframes skeleton-loading{0%{background-position:100% 50%}to{background-position:0 50%}}.chart-row{display:flex;align-items:flex-end;gap:4px;height:130px;overflow-x:auto;padding-bottom:2px}.chart-col{display:flex;flex-direction:column;align-items:center;min-width:12px;height:100%;justify-content:flex-end}.chart-bars{display:flex;align-items:flex-end;gap:2px;height:100%}.chart-bar{width:5px;border-radius:2px 2px 0 0;min-height:2px}.chart-bar.students{background:var(--brand)}.chart-bar.teachers{background:var(--warning)}.achievement-card{background:linear-gradient(180deg,var(--gold-soft),var(--surface) 55%);border-color:#e6cd9d}.badge-chip.earned{background:var(--gold-soft);border-color:var(--gold);color:#8a611e}.streak-value{color:var(--gold);font-family:var(--font-head)}.print-header{display:none;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:18px;padding-bottom:12px;border-bottom:2px solid var(--brand)}.print-header-brand{display:flex;align-items:center;gap:10px}.print-header-brand strong{color:var(--brand);font-size:1.15rem}.print-header-meta{text-align:end;font-size:.85rem;line-height:1.5}.print-header-meta>div:first-child{font-weight:700;color:var(--ink)}@media print{@page{margin:14mm 12mm}.topbar,.nav-rail,.nav-tabbar,.more-sheet,.footer,.support-fab,.no-print{display:none!important}.modal-backdrop{position:static!important;background:none!important;padding:0!important;display:block!important}.modal-sheet{position:static!important;max-width:100%!important;max-height:none!important;overflow:visible!important;box-shadow:none!important;border:none!important;padding-top:0!important;animation:none!important}.modal-close{display:none!important}.shell,.shell-main{display:block!important;min-height:0!important}.page{padding:0!important;max-width:100%!important}.narrow{max-width:100%!important;margin:0!important}body{background:#fff!important;color:#000!important;font-size:12px;-webkit-print-color-adjust:exact;print-color-adjust:exact}.print-header{display:flex!important}.card{border:1px solid #ccc!important;box-shadow:none!important;border-radius:6px!important;margin:0 0 10px!important;padding:12px!important;break-inside:avoid;page-break-inside:avoid}h2,h3{break-after:avoid;page-break-after:avoid}.table-wrap{max-height:none!important;overflow:visible!important}table{font-size:11px}th,td{white-space:normal;padding:5px 8px}th{position:static!important;box-shadow:none!important;background:none!important}.tag{border:1px solid currentColor;background:none!important;-webkit-print-color-adjust:exact;print-color-adjust:exact}.progress-track,.progress-fill{-webkit-print-color-adjust:exact;print-color-adjust:exact}a[href]:after{content:""!important}}.search-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:29}.search-panel{position:fixed;top:58px;inset-inline:8px;margin-inline:auto;max-width:520px;max-height:70vh;overflow:auto;z-index:30;box-shadow:var(--shadow-lg)}.search-group{font-size:.8em;font-weight:700;color:var(--ink-muted);margin-top:8px;padding-bottom:2px;border-bottom:1px solid var(--line)}button.search-hit{display:block;width:100%;text-align:start;background:transparent;color:var(--ink);border-radius:var(--radius-sm);padding:8px;font-weight:500}button.search-hit:hover{background:var(--brand-soft)}