:root{--bg:#0b0f15;--card:#111827;--muted:#9ca3af;--fg:#f3f4f6;--brand:#06b6d4;--accent:#22c55e;--radius:16px}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:linear-gradient(180deg,#0b0f15,#0f172a);color:var(--fg);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.app-shell{min-height:100%;display:flex;flex-direction:column}.content{flex:1;max-width:1200px;margin:0 auto;padding:16px}.grid{display:grid;gap:16px}.grid.cols-2{grid-template-columns:repeat(2,1fr)}.grid.cols-3{grid-template-columns:repeat(3,1fr)}.grid.cols-4{grid-template-columns:repeat(4,1fr)}.card{background:var(--card);border-radius:var(--radius);padding:16px;box-shadow:0 6px 20px #00000040}.btn{display:inline-flex;gap:8px;align-items:center;border:0;border-radius:999px;padding:10px 16px;background:var(--brand);color:#fff;font-weight:600;cursor:pointer;transition:transform .08s ease,opacity .2s}.btn:hover{transform:translateY(-1px);opacity:.95}.btn.ghost{background:transparent;outline:1px solid #1f2937}.input,.select{width:100%;padding:12px;border-radius:12px;border:1px solid #1f2937;background:#0b1220;color:var(--fg)}.row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:center;margin-top:8px}.hero h1{font-size:clamp(26px,3vw,42px);margin:0 0 8px}.hero p{color:var(--muted);margin:0 0 16px}.section-title{font-size:20px;margin:20px 0 8px}.channel-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}.channel-card{position:relative;background:#0b1220;border-radius:12px;overflow:hidden;border:1px solid #1f2937}.channel-card .thumb{aspect-ratio:16/9;background:#0a0a0a;display:flex;align-items:center;justify-content:center}.channel-card .meta{padding:10px}.badge{display:inline-block;background:#0f766e;padding:2px 8px;border-radius:999px;color:#d1fae5;font-size:12px}.header,.footer{max-width:1200px;margin:0 auto;padding:12px 16px}.header-wrap{display:flex;gap:12px;align-items:center;justify-content:space-between}.nav{display:flex;gap:12px;flex-wrap:wrap}.searchbar{position:relative;flex:1;min-width:220px}.searchbar input{padding-left:36px}.searchbar svg{position:absolute;left:10px;top:50%;transform:translateY(-50%);opacity:.5}.player{background:#000;border-radius:12px;overflow:hidden}.player video{width:100%;height:auto;display:block}@media(max-width:900px){.channel-grid{grid-template-columns:repeat(3,1fr)}.hero{grid-template-columns:1fr}}@media(max-width:600px){.grid.cols-3,.grid.cols-4,.channel-grid{grid-template-columns:repeat(2,1fr)}.header-wrap{flex-direction:column;align-items:stretch}}body{margin:0;font-family:Arial,sans-serif;background:#111;color:#fff}.grid{display:grid;grid-template-columns:1fr;gap:1rem;padding:1rem}.hero{background:#222;padding:2rem;border-radius:10px}.row{display:flex;gap:1rem;flex-wrap:wrap}.card{background:#333;padding:1rem;border-radius:8px}.btn{background:#007bff;color:#fff;padding:.5rem 1rem;border-radius:5px;text-decoration:none}.btn.ghost{background:transparent;border:1px solid #007bff}.section-title{font-size:1.2rem;margin-bottom:.5rem;display:block}