:root{--teal-950:#06262e;--teal-900:#0b3d4a;--teal-800:#0e5160;--teal-700:#14697c;--gold-500:#c9a227;--gold-400:#d4b54a;--gold-200:#ead9a0;--cream-50:#fbf8f1;--cream-100:#f4eee0;--cream-200:#e8dcc4;--ink:#1a2428;--muted:#5c6b70;--white:#fff;--success:#1b7a4a;--danger:#b42318;--live:#e11d48;--shadow:0 18px 50px rgba(11,61,74,.12);--radius:22px;--font:"Cairo",system-ui,sans-serif}
*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font);background:var(--cream-50);color:var(--ink);direction:rtl;min-height:100vh;line-height:1.7}a{color:inherit;text-decoration:none}button,input,select,textarea{font-family:inherit}img{max-width:100%;display:block}.container{width:min(1180px,calc(100% - 32px));margin-inline:auto}
.nav{position:sticky;top:0;z-index:40;background:rgba(251,248,241,.94);backdrop-filter:blur(16px);border-bottom:1px solid rgba(11,61,74,.08)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;padding:12px 0;gap:12px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--teal-900)}
.brand-mark{width:42px;height:42px;border-radius:14px;display:grid;place-items:center;background:var(--teal-900);color:var(--gold-200);border:2px solid var(--gold-500);font-weight:800}
.nav-links{display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.nav-links a,.ghost-btn,.btn{border:0;cursor:pointer;border-radius:999px;padding:8px 14px;font-weight:700}
.nav-links a{color:var(--muted)}.nav-links a:hover{color:var(--teal-900);background:var(--cream-100)}
.btn{background:linear-gradient(180deg,var(--teal-800),var(--teal-900));color:#fff}
.btn-gold{background:linear-gradient(180deg,var(--gold-400),var(--gold-500));color:var(--teal-950)}
.btn-outline{background:transparent;border:1.5px solid var(--gold-200);color:#fff;border-radius:999px;padding:8px 16px;font-weight:700;cursor:pointer}
.ghost-btn{background:var(--cream-100);color:var(--teal-900)}
.hero{position:relative;overflow:hidden;min-height:88vh;display:grid;place-items:center;color:#fff}
.hero-bg{position:absolute;inset:0;background:linear-gradient(120deg,rgba(6,38,46,.84),rgba(11,61,74,.55)),url("https://images.unsplash.com/photo-1580582932707-520aed937b7b?auto=format&fit=crop&w=1600&q=80") center/cover no-repeat}
.hero-content{position:relative;z-index:2;padding:72px 0 64px}
.kicker{display:inline-flex;background:rgba(255,255,255,.12);border:1px solid rgba(233,205,120,.35);color:var(--gold-200);padding:6px 14px;border-radius:999px;font-weight:700;margin-bottom:18px}
.hero h1{font-size:clamp(30px,6vw,58px);line-height:1.25;max-width:780px}
.hero p{max-width:620px;margin:16px 0 28px;font-size:17px;color:#efe7d2}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:40px}
.stat{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.14);border-radius:18px;padding:14px 16px}
.stat b{display:block;font-size:24px;color:var(--gold-200)}.stat span{color:#e8dfc8;font-size:13px}
.section{padding:64px 0}.section h2{font-size:30px;color:var(--teal-900);margin-bottom:8px}.lead{color:var(--muted);margin-bottom:24px;max-width:640px}
.subjects{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.subject-card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.subject-card img{height:180px;width:100%;object-fit:cover}.subject-card .body{padding:16px}.subject-card h3{color:var(--teal-900);margin-bottom:6px}.subject-card p{color:var(--muted);font-size:14px;margin-bottom:14px}
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.feature{background:#fff;border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.icon-badge{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:var(--cream-100);margin-bottom:12px;font-weight:800;color:var(--teal-900)}
.auth-wrap{min-height:calc(100vh - 80px);display:grid;place-items:center;padding:40px 0}
.auth-card{width:min(440px,100%);background:#fff;border-radius:28px;box-shadow:var(--shadow);padding:32px 26px}
.auth-card h1{color:var(--teal-900);margin:8px 0 6px}
.field{margin-bottom:14px}.field label{display:block;font-weight:700;margin-bottom:6px;color:var(--teal-900)}
.field input,.field select,.field textarea{width:100%;border:1.5px solid #d9d0bc;background:var(--cream-50);border-radius:14px;padding:12px 14px;font-size:15px}
.hint{color:var(--muted);font-size:13px;margin-top:10px}.error{color:var(--danger);font-weight:700;min-height:22px}
.app-shell{display:grid;grid-template-columns:240px 1fr;min-height:100vh}
.sidebar{background:var(--teal-950);color:#e8dfc8;padding:20px 14px}
.side-nav{display:flex;flex-direction:column;gap:6px;margin-top:24px}
.side-nav a{padding:10px 12px;border-radius:12px;color:#d8cba8}
.side-nav a.active,.side-nav a:hover{background:rgba(201,162,39,.16);color:#fff}
.main{padding:22px}.topbar{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:20px;flex-wrap:wrap}
.user-chip{display:flex;align-items:center;gap:10px;background:#fff;padding:8px 12px;border-radius:999px;box-shadow:var(--shadow)}
.avatar{width:36px;height:36px;border-radius:50%;background:var(--teal-800);color:#fff;display:grid;place-items:center;font-weight:800}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.grid-2{display:grid;grid-template-columns:1.3fr .7fr;gap:14px}
.card{background:#fff;border-radius:20px;padding:16px;box-shadow:var(--shadow)}
.mini-subject img{height:110px;width:100%;object-fit:cover;border-radius:14px;margin-bottom:10px}
.badge{display:inline-flex;border-radius:999px;padding:4px 10px;font-size:12px;font-weight:800}
.badge-live{background:#ffe4e8;color:var(--live)}.badge-soon{background:#fff4d6;color:#8a6a00}.badge-done{background:#e5f6ec;color:var(--success)}.badge-wait{background:#eef3f5;color:var(--muted)}
.list{display:flex;flex-direction:column;gap:10px}.row{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:12px;background:var(--cream-50);border-radius:14px}
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}.tab{border:0;background:var(--cream-100);color:var(--teal-900);padding:8px 14px;border-radius:999px;font-weight:700;cursor:pointer}.tab.active{background:var(--teal-900);color:#fff}
.panel{display:none}.panel.active{display:block}
.player{background:#06161b;border-radius:20px;overflow:hidden;aspect-ratio:16/9}.player iframe{width:100%;height:100%;border:0}.player-empty{height:100%;display:grid;place-items:center;color:#ead9a0;text-align:center;padding:24px}
.table{width:100%;border-collapse:collapse;overflow-x:auto}.table th,.table td{text-align:right;padding:10px 8px;border-bottom:1px solid #eee3cc;font-size:14px}
footer{background:var(--teal-950);color:#d8cba8;padding:28px 0;margin-top:32px}.footer-grid{display:grid;grid-template-columns:2fr 1fr;gap:20px}
.toast{position:fixed;bottom:20px;left:20px;background:var(--teal-900);color:#fff;padding:12px 16px;border-radius:14px;display:none;z-index:80}
@media(max-width:980px){.subjects,.features,.stats,.grid-4,.grid-2,.footer-grid,.app-shell{grid-template-columns:1fr}.hero{min-height:auto}.sidebar{height:auto}}