:root{--p:#5b5cf6;--p2:#7c3aed;--cyan:#06b6d4;--bg:#f5f7fb;--card:#fff;--ink:#0f172a;--muted:#64748b;--line:#e2e8f0;--ok:#10b981;--bad:#ef4444;--warn:#f59e0b;--radius:20px;--shadow:0 14px 36px rgba(15,23,42,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:'Tajawal',Arial,sans-serif;min-height:100vh}a{color:inherit}.academy-shell{max-width:1320px;margin:auto;padding:18px}.academy-top{position:sticky;top:10px;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border:1px solid var(--line);border-radius:22px;padding:13px 16px;display:flex;align-items:center;justify-content:space-between;gap:14px;box-shadow:var(--shadow)}.academy-brand{display:flex;align-items:center;gap:12px}.academy-logo{width:50px;height:50px;border-radius:16px;background:linear-gradient(135deg,var(--p),var(--p2));display:grid;place-items:center;color:#fff;font-size:1.4rem;box-shadow:0 10px 22px rgba(91,92,246,.28)}.academy-brand h1{font-size:1.16rem;margin:0;font-weight:900}.academy-brand p{margin:3px 0 0;color:var(--muted);font-size:.86rem;font-weight:700}.academy-actions{display:flex;gap:8px;flex-wrap:wrap}.academy-btn{border:0;border-radius:14px;padding:10px 15px;min-height:42px;font-family:inherit;font-weight:900;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:.18s}.academy-btn:hover{transform:translateY(-1px)}.academy-btn.primary{background:linear-gradient(135deg,var(--p),var(--p2));color:#fff}.academy-btn.light{background:#eef2ff;color:#3730a3}.academy-btn.success{background:#dcfce7;color:#047857}.academy-btn.danger{background:#fee2e2;color:#b91c1c}.academy-btn.warning{background:#fef3c7;color:#92400e}.academy-btn.cyan{background:linear-gradient(135deg,#06b6d4,#3b82f6);color:#fff}.academy-btn.small{min-height:34px;padding:7px 10px;border-radius:10px;font-size:.84rem}.academy-layout{display:grid;grid-template-columns:230px minmax(0,1fr);gap:16px;margin-top:16px}.academy-sidebar{background:#fff;border:1px solid var(--line);border-radius:22px;padding:12px;box-shadow:var(--shadow);height:max-content;position:sticky;top:96px}.academy-nav{display:flex;flex-direction:column;gap:7px}.academy-nav button,.academy-nav a{border:0;background:transparent;width:100%;text-align:right;padding:11px 12px;border-radius:13px;font-family:inherit;font-weight:900;color:#475569;cursor:pointer;text-decoration:none;display:flex;align-items:center;gap:10px}.academy-nav button.active,.academy-nav button:hover,.academy-nav a:hover{background:linear-gradient(135deg,#eef2ff,#f5f3ff);color:#4338ca}.academy-main{min-width:0}.academy-panel{display:none}.academy-panel.active{display:block}.academy-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow);margin-bottom:16px}.academy-card h2,.academy-card h3{margin:0 0 12px;font-weight:900}.academy-card-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:14px}.academy-muted{color:var(--muted);font-weight:700}.academy-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.academy-stat{background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px;box-shadow:var(--shadow)}.academy-stat i{width:42px;height:42px;border-radius:13px;display:grid;place-items:center;background:#eef2ff;color:var(--p);font-size:1.15rem}.academy-stat b{display:block;font-size:1.65rem;margin-top:8px;color:var(--p)}.academy-stat span{font-weight:800;color:var(--muted)}.academy-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.academy-grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.academy-form-grid{display:grid;grid-template-columns:repeat(3,minmax(160px,1fr));gap:12px}.academy-field{display:flex;flex-direction:column;gap:6px}.academy-field.full{grid-column:1/-1}.academy-field label{font-weight:900;font-size:.88rem;color:#475569}.academy-field input,.academy-field select,.academy-field textarea,.academy-search{width:100%;border:1px solid #dbe3ef;background:#f8fafc;border-radius:13px;padding:11px 12px;font:inherit;outline:none}.academy-field textarea{min-height:90px;resize:vertical}.academy-field input:focus,.academy-field select:focus,.academy-field textarea:focus,.academy-search:focus{background:#fff;border-color:#818cf8;box-shadow:0 0 0 4px rgba(99,102,241,.1)}.academy-row{display:flex;align-items:center;gap:9px;flex-wrap:wrap}.academy-list{display:grid;gap:10px}.academy-item{border:1px solid var(--line);border-radius:16px;padding:13px;background:#fff;display:flex;justify-content:space-between;align-items:center;gap:12px}.academy-item-main{min-width:0}.academy-item h4{margin:0 0 4px;font-size:1rem}.academy-item p{margin:0;color:var(--muted);font-weight:700;font-size:.87rem}.academy-badge{display:inline-flex;align-items:center;gap:5px;padding:5px 9px;border-radius:999px;font-size:.78rem;font-weight:900;background:#eef2ff;color:#4338ca}.academy-badge.ok{background:#dcfce7;color:#047857}.academy-badge.bad{background:#fee2e2;color:#b91c1c}.academy-badge.warn{background:#fef3c7;color:#92400e}.academy-badge.gray{background:#f1f5f9;color:#475569}.academy-table-wrap{overflow:auto;border:1px solid var(--line);border-radius:16px}.academy-table{width:100%;border-collapse:collapse;min-width:920px;background:#fff}.academy-table th{background:#f8fafc;padding:11px;border-bottom:1px solid var(--line);white-space:nowrap;font-size:.86rem}.academy-table td{padding:10px;border-bottom:1px solid #eef2f7;text-align:center;font-size:.88rem}.academy-empty{text-align:center;padding:34px;color:var(--muted);font-weight:800}.academy-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:15px}.academy-tabs button{border:1px solid var(--line);background:#fff;border-radius:999px;padding:9px 14px;font-family:inherit;font-weight:900;cursor:pointer}.academy-tabs button.active{background:linear-gradient(135deg,var(--p),var(--p2));color:#fff;border-color:transparent}.academy-course-card{background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:var(--shadow)}.academy-course-cover{height:125px;background:linear-gradient(135deg,#5b5cf6,#06b6d4);display:flex;align-items:flex-end;padding:15px;color:#fff;position:relative}.academy-course-cover:after{content:'';position:absolute;inset:0;background:radial-gradient(circle at 20% 10%,rgba(255,255,255,.32),transparent 35%)}.academy-course-cover h3{z-index:1;margin:0}.academy-course-body{padding:14px}.academy-course-body p{color:var(--muted);font-weight:700;min-height:44px}.academy-login-wrap{min-height:100vh;display:grid;place-items:center;padding:20px;background:radial-gradient(circle at top right,#e0e7ff,transparent 40%),radial-gradient(circle at bottom left,#cffafe,transparent 40%),var(--bg)}.academy-login-card{width:min(520px,100%);background:#fff;border:1px solid var(--line);border-radius:26px;padding:24px;box-shadow:0 24px 70px rgba(15,23,42,.14)}.academy-login-card .academy-logo{margin:auto;width:66px;height:66px;font-size:1.8rem}.academy-login-card h1{text-align:center;margin:14px 0 4px}.academy-login-card>p{text-align:center;color:var(--muted);font-weight:700}.academy-login-switch{display:grid;grid-template-columns:1fr 1fr;gap:8px;background:#f1f5f9;padding:6px;border-radius:14px;margin:18px 0}.academy-login-switch a{padding:10px;text-align:center;border-radius:10px;text-decoration:none;font-weight:900;color:#64748b}.academy-login-switch a.active{background:#fff;color:#4338ca;box-shadow:0 3px 10px rgba(15,23,42,.08)}.academy-alert{border-radius:14px;padding:11px 13px;font-weight:800;margin:10px 0;line-height:1.6}.academy-alert.error{background:#fee2e2;color:#991b1b;border:1px solid #fecaca}.academy-alert.success{background:#dcfce7;color:#065f46;border:1px solid #bbf7d0}.academy-alert.info{background:#e0f2fe;color:#075985;border:1px solid #bae6fd}.academy-catalog-hero{background:linear-gradient(135deg,#312e81,#5b5cf6 55%,#06b6d4);color:#fff;border-radius:24px;padding:24px;margin-bottom:16px;box-shadow:var(--shadow)}.academy-catalog-hero h2{margin:0 0 6px;font-size:1.5rem}.academy-code-box{display:flex;gap:8px;margin-top:15px}.academy-code-box input{flex:1;border:0;border-radius:14px;padding:12px;font:inherit;text-transform:uppercase;direction:ltr;text-align:center;font-weight:900}.academy-unit{border:1px solid var(--line);border-radius:18px;background:#fff;margin-bottom:12px;overflow:hidden}.academy-unit-head{padding:13px 15px;background:#f8fafc;display:flex;justify-content:space-between;align-items:center;font-weight:900}.academy-content-link{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:13px 15px;border-top:1px solid #eef2f7;text-decoration:none}.academy-content-link:hover{background:#fafbff}.academy-content-icon{width:42px;height:42px;border-radius:13px;background:#eef2ff;color:#4338ca;display:grid;place-items:center;flex:none}.academy-locked{opacity:.65;cursor:not-allowed}.academy-view-shell{max-width:1080px;margin:auto;padding:18px}.academy-player-wrap{position:relative;background:#020617;border-radius:22px;overflow:hidden;aspect-ratio:16/9;box-shadow:var(--shadow)}.academy-player-wrap iframe{position:absolute;inset:0;width:100%;height:100%;border:0}.academy-player-shield{position:absolute;inset:0;z-index:5;background:transparent}.academy-player-controls{display:flex;align-items:center;gap:9px;background:#0f172a;color:#fff;padding:10px 12px;border-radius:0 0 18px 18px}.academy-player-controls button{border:0;background:#1e293b;color:#fff;border-radius:10px;width:40px;height:38px;cursor:pointer}.academy-progress-bar{flex:1;height:8px;border-radius:999px;background:#334155;overflow:hidden}.academy-progress-fill{height:100%;width:0;background:linear-gradient(90deg,#06b6d4,#8b5cf6)}.academy-watermark{position:absolute;z-index:9;pointer-events:none;background:rgba(15,23,42,.55);color:#fff;padding:7px 11px;border-radius:10px;font-weight:900;font-size:.82rem;animation:academyWatermark 24s linear infinite}@keyframes academyWatermark{0%{top:8%;right:7%}25%{top:72%;right:15%}50%{top:52%;right:70%}75%{top:16%;right:52%}100%{top:8%;right:7%}}.academy-pdf-frame{position:relative;background:#e2e8f0;border-radius:20px;overflow:hidden;min-height:72vh}.academy-pdf-frame iframe{width:100%;height:72vh;border:0}.academy-pdf-frame .academy-watermark{position:fixed}.academy-exam-question{background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px;margin-bottom:12px}.academy-exam-question h3{font-size:1rem;line-height:1.8}.academy-choice{display:flex;align-items:flex-start;gap:9px;border:1px solid #e2e8f0;border-radius:13px;padding:10px;margin-top:8px;cursor:pointer}.academy-choice:hover{background:#f8fafc}.academy-choice input{margin-top:5px}.academy-timer{position:sticky;top:10px;z-index:30;background:#0f172a;color:#fff;border-radius:999px;padding:9px 15px;font-weight:900;display:inline-flex;gap:8px;align-items:center}.academy-toast{position:fixed;top:18px;left:50%;transform:translate(-50%,-20px);opacity:0;pointer-events:none;z-index:9999;color:#fff;background:#0f172a;padding:12px 18px;border-radius:999px;font-weight:900;box-shadow:0 15px 35px rgba(0,0,0,.2);transition:.25s}.academy-toast.show{transform:translate(-50%,0);opacity:1}.academy-toast.error{background:#dc2626}.academy-toast.success{background:#059669}.academy-modal{position:fixed;inset:0;background:rgba(15,23,42,.58);backdrop-filter:blur(4px);z-index:1000;display:none;align-items:center;justify-content:center;padding:18px}.academy-modal.show{display:flex}.academy-modal-card{width:min(760px,100%);max-height:90vh;overflow:auto;background:#fff;border-radius:24px;padding:20px;box-shadow:0 30px 80px rgba(0,0,0,.25)}.academy-help{font-size:.8rem;color:var(--muted);line-height:1.6}.academy-separator{height:1px;background:var(--line);margin:14px 0}.academy-hidden{display:none!important}
@media(max-width:1050px){.academy-layout{grid-template-columns:1fr}.academy-sidebar{position:static}.academy-nav{flex-direction:row;overflow:auto}.academy-nav button,.academy-nav a{min-width:max-content}.academy-stats{grid-template-columns:repeat(2,1fr)}.academy-grid.three{grid-template-columns:repeat(2,1fr)}}
@media(max-width:720px){.academy-shell,.academy-view-shell{padding:10px}.academy-top{position:static;align-items:flex-start;flex-direction:column}.academy-actions{width:100%}.academy-actions .academy-btn{flex:1}.academy-form-grid,.academy-grid,.academy-grid.three{grid-template-columns:1fr}.academy-stats{grid-template-columns:1fr 1fr}.academy-card{padding:14px}.academy-item{align-items:flex-start;flex-direction:column}.academy-item .academy-row{width:100%}.academy-item .academy-row .academy-btn{flex:1}.academy-table-wrap{border:0;overflow:visible}.academy-table,.academy-table thead,.academy-table tbody,.academy-table tr,.academy-table th,.academy-table td{display:block;width:100%;min-width:0}.academy-table thead{display:none}.academy-table tr{border:1px solid var(--line);border-radius:15px;margin-bottom:10px;padding:8px;background:#fff}.academy-table td{border:0;display:flex;justify-content:space-between;gap:10px;text-align:right;padding:7px}.academy-table td:before{content:attr(data-label);font-weight:900;color:#475569}.academy-code-box{flex-direction:column}.academy-login-card{padding:18px}.academy-player-controls{flex-wrap:wrap}.academy-progress-bar{order:3;flex-basis:100%}.academy-pdf-frame,.academy-pdf-frame iframe{height:78vh;min-height:78vh}}

#videoStage:fullscreen{background:#020617;padding:10px;display:flex;flex-direction:column;justify-content:center}#videoStage:fullscreen .academy-player-wrap{width:100%;max-height:calc(100vh - 70px)}.academy-progress-bar{cursor:pointer}

/* ClassDar Academy 1.1: مشغل أصغر، علامة مائية ثابتة، وأسئلة الفيديو */
.academy-view-card{max-width:1120px;margin-inline:auto}
.academy-video-stage{width:min(820px,100%);margin:0 auto;position:relative}
.academy-teacher-watermark{position:absolute;z-index:9;inset:0;display:flex;align-items:center;justify-content:center;width:100%;padding:0 4%;pointer-events:none;user-select:none;color:#fff;font-size:clamp(2.2rem,6vw,5rem);font-weight:1000;letter-spacing:.04em;text-align:center;white-space:nowrap;opacity:.13;text-shadow:0 2px 8px rgba(0,0,0,.32);transform:rotate(-10deg);overflow:hidden}
.academy-video-question-layer{position:absolute;z-index:40;inset:0;background:rgba(2,6,23,.82);backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;padding:18px;border-radius:22px}
.academy-video-question-card{width:min(620px,100%);max-height:92%;overflow:auto;background:#fff;border-radius:22px;padding:20px;box-shadow:0 30px 80px rgba(0,0,0,.35);color:#0f172a}
.academy-video-question-card h2{margin:8px 0 2px;line-height:1.65}
.academy-video-question-icon{width:54px;height:54px;border-radius:16px;display:grid;place-items:center;margin:auto;background:linear-gradient(135deg,#5b5cf6,#7c3aed);color:#fff;font-size:1.4rem}
.academy-video-question-choices{display:grid;gap:9px;margin:16px 0}
.academy-video-question-choice{display:flex;align-items:flex-start;gap:10px;border:1px solid #dbe3ef;border-radius:14px;padding:11px 12px;cursor:pointer;font-weight:800;line-height:1.7}
.academy-video-question-choice:hover{background:#f8fafc;border-color:#818cf8}
.academy-video-question-choice input{margin-top:7px;accent-color:#5b5cf6}
.academy-player-wrap:fullscreen,.academy-video-stage:fullscreen{background:#020617}
.academy-video-stage:fullscreen .academy-player-wrap{height:calc(100vh - 58px);aspect-ratio:auto;border-radius:0}
.academy-video-stage:fullscreen .academy-player-controls{border-radius:0}
@media(max-width:720px){.academy-video-stage{width:100%}.academy-teacher-watermark{font-size:clamp(1.7rem,10vw,3.4rem);opacity:.12}.academy-video-question-layer{padding:10px}.academy-video-question-card{padding:15px;border-radius:17px}.academy-video-question-card h2{font-size:1.05rem}.academy-pdf-frame{min-height:70vh}.academy-pdf-frame iframe{height:70vh}}

/* Protected PDF canvas viewer: avoids the browser native PDF menu and direct Save As UI. */
.academy-pdf-toolbar{position:sticky;top:8px;z-index:35;display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap;background:rgba(15,23,42,.94);color:#fff;padding:9px 12px;border-radius:15px;margin-bottom:10px;box-shadow:0 12px 30px rgba(15,23,42,.2);backdrop-filter:blur(8px)}
.academy-pdf-toolbar button{border:0;background:#334155;color:#fff;border-radius:10px;min-width:40px;height:38px;padding:0 11px;font:inherit;font-weight:900;cursor:pointer}.academy-pdf-toolbar button:hover{background:#475569}.academy-pdf-toolbar-status{font-weight:900;min-width:145px;text-align:center;direction:rtl}
.academy-pdfjs-frame{height:72vh;min-height:520px;overflow:auto;padding:14px;background:#cbd5e1;overscroll-behavior:contain;scrollbar-gutter:stable;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}
.academy-pdf-pages{display:grid;gap:16px;justify-items:center;min-height:100%}.academy-pdf-loading{min-height:220px;display:grid;place-items:center;font-size:1.05rem;font-weight:900;color:#334155}
.academy-pdf-page{position:relative;max-width:100%;background:#fff;border-radius:6px;box-shadow:0 8px 24px rgba(15,23,42,.18);overflow:hidden}.academy-pdf-page-loading{width:min(900px,calc(100vw - 70px));height:220px;display:grid;place-items:center;color:#64748b;font-weight:900;background:#fff}.academy-pdf-page-canvas-wrap{position:relative;line-height:0;max-width:100%;overflow:hidden}.academy-pdf-page canvas{display:block;max-width:100%;height:auto;background:#fff;pointer-events:none;user-select:none;-webkit-user-select:none}.academy-pdf-page-guard{position:absolute;inset:0;z-index:8;background:transparent;cursor:default;touch-action:pan-y;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}.academy-pdf-page-watermark{position:absolute;inset:0;z-index:7;display:flex;align-items:center;justify-content:center;pointer-events:none;color:rgba(15,23,42,.14);font-size:clamp(1.4rem,4.5vw,3.8rem);font-weight:1000;letter-spacing:.02em;transform:rotate(-27deg);text-align:center;white-space:nowrap;text-shadow:0 1px 0 rgba(255,255,255,.55);padding:20px}.academy-pdf-page-number{position:absolute;z-index:10;left:8px;bottom:8px;background:rgba(15,23,42,.72);color:#fff;border-radius:999px;padding:3px 8px;font-size:.72rem;font-weight:900;pointer-events:none}
@media(max-width:720px){.academy-pdfjs-frame{height:76vh;min-height:480px;padding:8px}.academy-pdf-page-loading{width:calc(100vw - 42px)}.academy-pdf-toolbar{top:4px}.academy-pdf-toolbar-status{order:3;flex-basis:100%}.academy-pdf-page-watermark{font-size:clamp(1.15rem,8vw,2.6rem)}}
@media print{.academy-pdf-toolbar,.academy-pdfjs-frame,.academy-view-card{display:none!important}body:before{content:'طباعة هذا الملف غير متاحة من المنصة';display:block!important;padding:40px;text-align:center;font:700 22px Arial,sans-serif;color:#111}}