@import url('https://fonts.googleapis.com/css2?family=Vazirmatn:wght@300;400;500;600;700;800&display=swap');
:root{--blue:#1769e0;--blue2:#0d47a1;--cyan:#16c8c0;--ink:#162033;--muted:#718096;--line:#e7edf5;--bg:#f7f9fc;--card:#fff;--danger:#e55353;--success:#159a70;--shadow:0 18px 45px rgba(22,32,51,.08)}*{box-sizing:border-box}body{margin:0;font-family:Vazirmatn,Tahoma,sans-serif;background:var(--bg);color:var(--ink);line-height:1.9}a{color:inherit;text-decoration:none}.container{width:min(1120px,92%);margin:auto}.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.nav{height:76px;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:9px;font-size:20px;font-weight:800;color:var(--blue)}.brand-icon{width:38px;height:38px;display:grid;place-items:center;border-radius:12px;background:linear-gradient(135deg,var(--blue),#5a9cff);color:white}.nav nav{display:flex;gap:24px;font-size:14px;color:#4b5563;flex:1}.nav nav a:hover{color:var(--blue)}.nav-actions{display:flex;gap:8px;align-items:center}.user-chip{font-size:12px;color:var(--muted)}.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:10px;padding:11px 19px;background:var(--blue);color:#fff;cursor:pointer;font-family:inherit;font-weight:600;transition:.2s}.btn:hover{transform:translateY(-1px);box-shadow:0 8px 20px rgba(23,105,224,.2)}.btn-small{padding:7px 13px;font-size:12px}.btn-outline{background:#fff;color:var(--blue);border:1px solid #bdd5fb}.btn-cyan{background:var(--cyan)}.page{min-height:calc(100vh - 150px);padding:34px 0 70px}.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:30px;align-items:center;padding:52px 0}.hero h1{font-size:43px;line-height:1.35;margin:0 0 15px}.hero h1 span{color:var(--blue)}.hero p{color:var(--muted);font-size:16px;max-width:680px}.hero-card{background:linear-gradient(135deg,#0f55ba,#2b8bf0);color:white;border-radius:30px;padding:35px;box-shadow:var(--shadow);position:relative;overflow:hidden}.hero-card:after{content:"";position:absolute;width:250px;height:250px;border-radius:50%;background:rgba(255,255,255,.09);left:-70px;bottom:-100px}.hero-badge{display:inline-block;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.2);padding:7px 13px;border-radius:30px;font-size:12px}.section-title{display:flex;align-items:end;justify-content:space-between;margin:25px 0 18px}.section-title h2{margin:0;font-size:24px}.muted{color:var(--muted)}.course-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.course-card{background:var(--card);border:1px solid var(--line);border-radius:18px;overflow:hidden;transition:.2s;box-shadow:0 5px 18px rgba(22,32,51,.03)}.course-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.course-image{aspect-ratio:1.15;overflow:hidden;background:#eaf1fb}.course-image img{width:100%;height:100%;object-fit:cover}.course-body{padding:14px}.course-title{font-size:15px;font-weight:700;line-height:1.7;min-height:52px}.course-meta{display:flex;justify-content:space-between;gap:8px;border-top:1px solid var(--line);margin-top:12px;padding-top:11px;font-size:11px;color:var(--muted)}.price{font-weight:800;color:var(--ink);font-size:14px}.old{color:#9aa3af;text-decoration:line-through;font-size:11px}.sale{color:#f06a34;background:#fff0e8;padding:3px 7px;border-radius:6px;font-size:10px}.course-detail{background:#fff;border:1px solid var(--line);border-radius:22px;padding:25px;display:grid;grid-template-columns:310px 1fr;gap:30px}.course-detail img{width:100%;border-radius:16px;aspect-ratio:1.1;object-fit:cover}.course-detail h1{font-size:30px;line-height:1.5;margin:0 0 10px}.price-box{display:flex;align-items:center;gap:12px;margin:20px 0}.price-big{font-size:25px;font-weight:800}.outline{border:1px solid var(--line);background:#fff;border-radius:16px;overflow:hidden;margin-top:22px}.section-row{border-bottom:1px solid var(--line)}.section-head{display:flex;align-items:center;justify-content:space-between;padding:17px 18px;cursor:pointer;background:#fff}.section-head h3{font-size:15px;margin:0}.section-body{padding:0 18px 16px;display:none}.section-row.open .section-body{display:block}.lesson{display:flex;align-items:center;justify-content:space-between;padding:11px 12px;border-radius:10px;background:#f8fafc;margin-top:7px;font-size:13px}.lesson.locked{opacity:.65}.lesson-left{display:flex;align-items:center;gap:9px}.icon{width:28px;height:28px;display:grid;place-items:center;border-radius:8px;background:#e8f1ff;color:var(--blue)}.tag{font-size:10px;background:#e8fbf5;color:var(--success);padding:2px 7px;border-radius:20px}.auth-wrap{min-height:calc(100vh - 150px);display:grid;place-items:center;padding:50px 0}.auth-card{background:#fff;width:min(450px,92%);padding:30px;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow)}.auth-card h1{margin-top:0}.auth-card label,.form-grid label{display:block;font-size:13px;font-weight:600;margin:14px 0}.auth-card input,.form-grid input,.form-grid textarea,.form-grid select{display:block;width:100%;margin-top:6px;padding:12px 13px;border:1px solid #dbe3ee;border-radius:10px;font-family:inherit;outline:none;background:#fff}.auth-card input:focus,.form-grid input:focus,.form-grid textarea:focus{border-color:#8db7f3}.form-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px 18px}.full{grid-column:1/-1}.alert{padding:12px 15px;border-radius:11px;margin:12px 0;font-size:13px}.success{background:#eafaf4;color:#0c7b58}.error{background:#fff0f0;color:#b13a3a}.admin-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.stat{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px}.stat b{font-size:28px;display:block}.table-wrap{overflow:auto;background:#fff;border:1px solid var(--line);border-radius:16px}.table{width:100%;border-collapse:collapse;min-width:700px}.table th,.table td{padding:13px 15px;border-bottom:1px solid var(--line);text-align:right;font-size:13px}.table th{background:#f8fafc}.admin-nav{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px}.course-admin{background:#fff;border:1px solid var(--line);border-radius:15px;padding:16px;margin-top:14px}.course-admin-head{display:flex;justify-content:space-between;gap:15px;align-items:center}.mini-form{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.mini-form input,.mini-form textarea,.mini-form select{padding:9px;border:1px solid var(--line);border-radius:8px;font-family:inherit}.footer{background:#111827;color:#d5d9e1;padding:30px 0}.footer-inner{display:flex;justify-content:space-between;gap:20px;font-size:12px}.footer p{color:#9ca3af}.lesson-view{background:#101827;border-radius:20px;padding:20px;color:white}.video-box{aspect-ratio:16/9;background:#050a12;border-radius:15px;display:grid;place-items:center;color:#aab3c1}.video-box iframe{width:100%;height:100%;border:0;border-radius:15px}.dashboard-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px}.locked-note{background:#fff8e8;color:#8a5b00;border:1px solid #ffe0a3;border-radius:12px;padding:12px;margin-top:15px;font-size:13px}@media(max-width:900px){.course-grid{grid-template-columns:repeat(2,1fr)}.hero{grid-template-columns:1fr}.course-detail{grid-template-columns:1fr}.admin-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:600px){.nav nav{display:none}.hero h1{font-size:30px}.course-grid{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr}.full{grid-column:auto}.admin-grid{grid-template-columns:1fr}.footer-inner{flex-direction:column}.nav-actions .user-chip{display:none}}