:root{--bg:#f6f8fc;--surface:#ffffff;--text:#172033;--muted:#5a6578;--line:#e2e7f0;--brand:#2253e0;--brand-ink:#ffffff;--soft:#eaf0ff;--ok:#0f9d6b;--radius:14px;--max:1080px}@media (prefers-color-scheme:dark){:root{--bg:#0e1219;--surface:#161b25;--text:#e7ebf3;--muted:#98a3b6;--line:#252c3a;--brand:#6b93ff;--brand-ink:#0a0f1c;--soft:#1a2236;--ok:#35c48f}}*,*::before,*::after{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:Vazirmatn,"IRANSansX","Segoe UI",Tahoma,system-ui,sans-serif;font-size:16px;line-height:1.95}img,svg{max-width:100%;height:auto;display:block}a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3{line-height:1.5;margin:0 0 .6em;text-wrap:balance}h1{font-size:clamp(1.7rem,4.2vw,2.6rem);font-weight:800}h2{font-size:clamp(1.3rem,3vw,1.75rem);font-weight:700}h3{font-size:1.08rem;font-weight:700}p{margin:0 0 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var(--line);border-radius:var(--radius);padding:22px}.card img{width:40px;height:40px;margin-bottom:14px}.card p{color:var(--muted);margin:0;font-size:.95rem}.steps{counter-reset:step;display:grid;grid-template-columns:repeat(3,1fr);gap:18px;list-style:none;margin:0;padding:0}.steps li{counter-increment:step;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px}.steps li::before{content:counter(step,persian);display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--soft);color:var(--brand);font-weight:800;margin-bottom:12px}.steps p{color:var(--muted);margin:0;font-size:.95rem}.notice{background:var(--surface);border:1px solid var(--line);border-inline-start:4px solid var(--brand);border-radius:var(--radius);padding:22px 24px}.notice p:last-child{margin:0}.doc{padding:40px 0 64px;max-width:820px}.doc h2{margin-top:1.8em;padding-top:.4em;border-top:1px solid var(--line)}.doc h2:first-of-type{border-top:0}pre{position:relative;direction:ltr;text-align:left;background:#0f1522;color:#dbe4f5;border-radius:12px;padding:16px 18px;overflow-x:auto;font-size:.86rem;line-height:1.7}code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}:not(pre)>code{direction:ltr;unicode-bidi:embed;background:var(--soft);border-radius:6px;padding:1px 7px;font-size:.88em}.copy-btn{position:absolute;top:8px;right:8px;background:#222b3d;color:#dbe4f5;border:0;border-radius:8px;padding:2px 10px;font:inherit;font-size:.78rem;cursor:pointer}table{width:100%;border-collapse:collapse;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;font-size:.94rem}th,td{padding:10px 14px;text-align:start;border-bottom:1px solid var(--line)}th{background:var(--soft);font-weight:700}tr:last-child td{border-bottom:0}.site-footer{border-top:1px solid var(--line);padding:26px 0;color:var(--muted);font-size:.9rem}.site-footer .container{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px}.status-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--ok);margin-inline-end:6px}.error-page{min-height:70vh;display:grid;place-items:center;text-align:center;padding:40px 20px}.error-page .code{font-size:4.5rem;font-weight:800;color:var(--brand);line-height:1}@media (max-width:820px){.hero .container{grid-template-columns:1fr}.grid,.steps{grid-template-columns:1fr}.nav-toggle{display:inline-block}.nav{display:none;position:absolute;inset-inline:0;top:64px;flex-direction:column;align-items:flex-start;gap:12px;background:var(--bg);border-bottom:1px solid var(--line);padding:16px 20px}.nav.is-open{display:flex}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn{transition:none}}.page-head{padding:40px 0 10px}.page-head p{color:var(--muted);max-width:44em}.page-head h1{display:flex;flex-wrap:wrap;align-items:center;gap:12px}.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;padding:14px 0 56px}.video-card{display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;color:var(--text);transition:border-color .15s ease,transform .15s ease}.video-card:hover{text-decoration:none;border-color:var(--brand);transform:translateY(-2px)}.video-card .thumb{position:relative;aspect-ratio:16/9;background:#0f1522}.video-card .thumb img{width:100%;height:100%;object-fit:cover}.video-card .dur{position:absolute;bottom:8px;left:8px;background:rgba(0,0,0,.72);color:#fff;border-radius:6px;padding:0 8px;font-size:.78rem;direction:ltr}.video-card .meta{padding:14px 16px 16px}.video-card h3{margin:0 0 4px}.video-card p{margin:0;color:var(--muted);font-size:.9rem}.watch{padding:32px 0 56px;max-width:920px}.player-wrap{position:relative;aspect-ratio:16/9;background:#000;border-radius:var(--radius);overflow:hidden;margin:18px 0}.player-wrap video{width:100%;height:100%;display:block;background:#000}.live-badge{display:inline-flex;align-items:center;gap:7px;background:#e03131;color:#fff;border-radius:999px;padding:0 13px;font-size:.8rem;font-weight:700;line-height:1.9}.live-badge::before{content:"";width:7px;height:7px;border-radius:50%;background:#fff;animation:pulse 1.4s ease-in-out infinite}@keyframes pulse{50%{opacity:.25}}.live-status{color:var(--muted);font-size:.9rem;min-height:1.6em}.back-link{display:inline-block;margin-top:8px}@media (max-width:820px){.video-grid{grid-template-columns:1fr}}@media (prefers-reduced-motion:reduce){.live-badge::before{animation:none}.video-card{transition:none}}