:root{--navy:#07162e;--navy-2:#102d57;--blue:#2563eb;--cyan:#22d3ee;--bg:#f4f7fb;--surface:#fff;--muted:#66758a;--line:#e2e9f2;--ok:#159b65;--warn:#b7791f;--danger:#dc3d50;--r:18px;--shadow:0 14px 40px rgba(7,22,46,.08);--font:"IBM Plex Sans Arabic","Tajawal","Segoe UI",Tahoma,Arial,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--navy);font-family:var(--font);line-height:1.7}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button{cursor:pointer}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(1.45rem,2vw,2rem);line-height:1.35}h2{font-size:1.15rem}.app-shell{min-height:100vh;display:grid;grid-template-columns:250px 1fr}.app-sidebar{background:linear-gradient(165deg,var(--navy),var(--navy-2));padding:26px 16px;color:#fff;position:sticky;top:0;height:100vh}.app-brand{display:block;font-size:18px;font-weight:800;padding:12px 14px;margin-bottom:24px}.app-nav{display:grid;gap:6px}.app-nav a,.app-nav button{padding:12px 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b{display:block}.lesson-meta,.card-meta{display:flex;gap:8px;flex-wrap:wrap;color:var(--muted);font-size:13px}.subject-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(245px,1fr));gap:16px}.subject-card{border-top:4px solid var(--blue);padding:20px;transition:transform .2s,box-shadow .2s}.subject-card:nth-child(3n+2){border-top-color:var(--cyan)}.subject-card:nth-child(3n){border-top-color:#7c3aed}.subject-card b{font-size:18px;display:block}.subject-hero{background:linear-gradient(135deg,#e8f3ff,#fff);border:1px solid #d6e7ff}.cinema{padding:10px;background:#050b18;border:1px solid #1a3155;border-radius:20px;box-shadow:0 20px 45px rgba(7,22,46,.25);aspect-ratio:16/9}.cinema video{width:100%;height:100%;border-radius:13px}.info-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px}.info-item{padding:13px;border-radius:12px;background:#f7f9fc}.info-item small{display:block;color:var(--muted)}.note-card{border-right:4px solid 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h1{font-size:25px}.login-panel{padding:18px}.login-card{padding:23px}.table-wrap{border-radius:12px}th,td{white-space:nowrap;padding:11px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{transition:none!important;animation:none!important}}@media(min-width:761px){.portal-main{animation:reveal .35s ease both}}@keyframes reveal{from{opacity:.55;transform:translateY(5px)}to{opacity:1;transform:none}}
.learning-primary-action{margin-top:18px;align-items:center}.learning-primary-action .muted{color:#dce7f5}.subject-progress-card .progress-line,.subject-card-progress .progress-line{margin:10px 0 14px}.subject-card-progress{display:grid;gap:8px;margin:16px 0}.lesson-card-current{border-color:#8edaf2;background:#f4fcff}.lesson-card-current .ghost{font-weight:800}.lesson-card-locked{opacity:.82;background:#fafbfd}.lesson-breadcrumb{margin-bottom:12px}.completion-checklist .info-item{display:grid;gap:7px}.lesson-notes{margin-top:16px;white-space:pre-line}.lesson-navigation{margin:24px 0}.is-disabled{color:#77859a;background:#eef2f7;border:1px solid var(--line);cursor:not-allowed}@media(max-width:760px){.learning-primary-action{align-items:stretch;flex-direction:column}.learning-primary-action .primary{width:100%}.lesson-navigation a,.lesson-navigation span{width:100%}.subject-progress-card .actions{margin-top:8px}}

/* EDU-020C: Student dashboard hierarchy, using only existing server-projected data. */
.student-command-center{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(280px,.85fr);gap:28px;align-items:center;overflow:hidden;background:linear-gradient(135deg,color-mix(in srgb,var(--surface-card) 88%,var(--color-primary-soft)),var(--surface-card))}.student-continue-panel{display:grid;gap:10px;padding:22px;border:1px solid color-mix(in srgb,var(--color-primary) 28%,var(--border-color));border-radius:18px;background:var(--surface-elevated);box-shadow:var(--shadow-sm)}.student-panel-label{color:var(--color-primary);font-size:13px;font-weight:800}.student-continue-panel>strong{font-size:20px}.student-continue-panel>span{color:var(--text-secondary);font-size:14px}.student-continue-panel .primary{justify-self:start;min-height:44px}.student-quick-stats .metric{padding-block:18px}.student-quick-stats .metric b{color:var(--color-primary)}@media(max-width:760px){.student-command-center{grid-template-columns:1fr;gap:18px}.student-continue-panel{padding:18px}.student-continue-panel .primary{width:100%;justify-content:center}.student-quick-stats{grid-template-columns:repeat(2,minmax(0,1fr))}}

/* EDU-020A: semantic theme tokens. Legacy aliases above intentionally remain for existing views. */
:root{color-scheme:light;--color-primary:#2563eb;--color-primary-hover:#1d4ed8;--color-primary-soft:#e8f0ff;--color-accent:#0891b2;--surface-page:#f4f7fb;--surface-card:#fff;--surface-elevated:#fff;--surface-muted:#f7f9fc;--text-primary:#10233f;--text-secondary:#465a75;--text-muted:#66758a;--text-on-primary:#fff;--border-color:#dce5f0;--border-soft:#eaf0f6;--shadow-sm:0 4px 14px rgba(7,22,46,.06);--shadow-md:0 14px 40px rgba(7,22,46,.09);--shadow-lg:0 24px 60px rgba(7,22,46,.14);--focus-ring:rgba(37,99,235,.35);--success:#15845a;--warning:#a86e17;--danger:#c9364d;--info:#2563eb;--motion-fast:140ms;--motion-normal:200ms;--motion-slow:340ms;--ease-standard:cubic-bezier(.2,.8,.2,1);--ease-emphasized:cubic-bezier(.16,1,.3,1);--navy:var(--text-primary);--navy-2:#17365f;--blue:var(--color-primary);--cyan:var(--color-accent);--bg:var(--surface-page);--surface:var(--surface-card);--muted:var(--text-muted);--line:var(--border-color);--ok:var(--success);--warn:var(--warning);--shadow:var(--shadow-md)}
html[data-color-theme=emerald]{--color-primary:#087c62;--color-primary-hover:#05644f;--color-primary-soft:#e2f5ee;--color-accent:#0d9488}html[data-color-theme=purple]{--color-primary:#6741c9;--color-primary-hover:#5030a6;--color-primary-soft:#f0eaff;--color-accent:#8b5cf6}html[data-color-theme=kuwait]{--color-primary:#087443;--color-primary-hover:#055d35;--color-primary-soft:#e6f5ed;--color-accent:#b91c32}
html[data-theme=dark]{color-scheme:dark;--surface-page:#101827;--surface-card:#182235;--surface-elevated:#202c42;--surface-muted:#253249;--text-primary:#eef4ff;--text-secondary:#c7d3e5;--text-muted:#9dacbf;--border-color:#34445c;--border-soft:#2a394f;--shadow-sm:0 4px 16px rgba(0,0,0,.18);--shadow-md:0 16px 42px rgba(0,0,0,.25);--shadow-lg:0 28px 68px rgba(0,0,0,.34);--focus-ring:rgba(110,231,255,.45);--success:#46c994;--warning:#f1bd5a;--danger:#fb7d92;--info:#71a7ff;--navy-2:#111c2d}
body{background:var(--surface-page);color:var(--text-primary)}.app-sidebar{background:linear-gradient(165deg,#111d30,#172a47)}.app-topbar{background:color-mix(in srgb,var(--surface-elevated) 91%,transparent);border-color:var(--border-color)}.portal-card,.metric,.lesson-card,.subject-card,.file-card,.stream-card{background:var(--surface-card);border-color:var(--border-color);box-shadow:var(--shadow-sm)}.portal-card:hover,.metric:hover,.subject-card:hover,.lesson-card:hover,.stream-card:hover{border-color:color-mix(in srgb,var(--color-primary) 44%,var(--border-color));box-shadow:var(--shadow-md)}.metric,.subject-card,.lesson-card,.stream-card,.primary,.secondary,.ghost,.app-nav a,.app-nav button{transition:background-color var(--motion-normal) var(--ease-standard),border-color var(--motion-normal) var(--ease-standard),color var(--motion-fast) var(--ease-standard),box-shadow var(--motion-normal) var(--ease-standard),transform var(--motion-normal) var(--ease-standard)}.primary{background:linear-gradient(135deg,var(--color-primary),var(--color-primary-hover));color:var(--text-on-primary)}.primary:hover{filter:brightness(1.04);transform:translateY(-1px)}.primary:active{transform:none}.secondary{background:var(--color-primary-soft);color:var(--color-primary);border-color:color-mix(in srgb,var(--color-primary) 25%,var(--border-color))}.ghost{color:var(--color-primary)}.info-item,.lesson-card-current{background:var(--surface-muted);border-color:var(--border-color)}.lesson-card-locked{background:var(--surface-muted)}input,select,textarea{color:var(--text-primary);background:var(--surface-elevated);border-color:var(--border-color)}input::placeholder,textarea::placeholder{color:var(--text-muted);opacity:1}input:focus,select:focus,textarea:focus,.theme-control summary:focus-visible,.theme-control select:focus-visible,a:focus-visible,button:focus-visible{outline:3px solid var(--focus-ring);outline-offset:3px;box-shadow:none}th{background:var(--surface-muted);color:var(--text-secondary)}tr:hover td{background:color-mix(in srgb,var(--color-primary-soft) 42%,transparent)}td,th{border-color:var(--border-soft)}.status,.badge{background:var(--surface-muted);color:var(--text-secondary)}.status.ok,.badge.ok{background:color-mix(in srgb,var(--success) 16%,var(--surface-card));color:var(--success)}.status.off,.badge.off{background:color-mix(in srgb,var(--danger) 15%,var(--surface-card));color:var(--danger)}.status.draft{background:color-mix(in srgb,var(--warning) 16%,var(--surface-card));color:var(--warning)}.progress-line,progress,progress::-webkit-progress-bar{background:var(--border-soft)}.progress-line>span,progress::-webkit-progress-value{background:linear-gradient(90deg,var(--color-accent),var(--color-primary))}.theme-control{position:fixed;z-index:1000;left:18px;bottom:18px;color:var(--text-primary);font-size:13px}.theme-control summary{list-style:none;display:flex;align-items:center;gap:8px;min-height:42px;padding:9px 13px;border:1px solid var(--border-color);border-radius:999px;background:var(--surface-elevated);box-shadow:var(--shadow-md);cursor:pointer;font-weight:800}.theme-control summary::-webkit-details-marker{display:none}.theme-panel{position:absolute;left:0;bottom:calc(100% + 9px);width:250px;padding:14px;border:1px solid var(--border-color);border-radius:16px;background:var(--surface-elevated);box-shadow:var(--shadow-lg);display:grid;gap:11px}.theme-panel label{display:grid;gap:5px;font-weight:700}.theme-panel select{padding:8px;border-radius:9px;font-size:13px}.theme-control[open] summary{border-color:var(--color-primary);color:var(--color-primary)}::selection{background:var(--color-primary);color:var(--text-on-primary)}@media(max-width:900px){.theme-control{left:12px;bottom:calc(72px + env(safe-area-inset-bottom))}.theme-control-label{display:none}.theme-control summary{width:44px;justify-content:center;padding:8px}.theme-panel{left:0;width:min(250px,calc(100vw - 24px))}}@media print{html[data-theme=dark]{color-scheme:light}html[data-theme=dark] body,html[data-theme=dark] .portal-card,html[data-theme=dark] .app-topbar{background:#fff!important;color:#111!important}.theme-control{display:none!important}}