:root{
  --bg:#090b10;--panel:#111520;--soft:#171d2b;--line:#232b3d;--text:#f6f8ff;--muted:#93a0bd;
  --primary:#5b8cff;--accent:#1dd1a1;--danger:#ff6b6b;--radius:22px;
}
*{box-sizing:border-box}body{margin:0;font-family:Inter,Arial,sans-serif;background:linear-gradient(180deg,#07090e,#0f1420 25%,#0a0e18);color:var(--text)}
a{text-decoration:none;color:inherit}img{max-width:100%;display:block}button,input,textarea,select{font:inherit}
.page-shell{min-height:100vh}.flash{margin:16px auto;max-width:1200px;background:#11203a;border:1px solid #23457d;padding:12px 16px;border-radius:14px}
.topbar{position:sticky;top:0;z-index:20;display:grid;grid-template-columns:260px 1fr 240px;gap:18px;align-items:center;padding:16px 28px;background:rgba(9,11,16,.82);backdrop-filter:blur(18px);border-bottom:1px solid rgba(255,255,255,.06)}
.brand{display:flex;align-items:center;gap:12px}.brand-mark{width:48px;height:48px;border-radius:14px;background:linear-gradient(135deg,var(--primary),#87a6ff);display:grid;place-items:center;font-weight:800;font-size:22px;color:#fff}.brand span{display:block;color:var(--muted);font-size:12px}
.searchbar{display:flex;align-items:center;background:var(--panel);border:1px solid var(--line);border-radius:999px;padding:6px}.searchbar input{flex:1;background:transparent;border:0;color:var(--text);padding:12px 16px;outline:none}.searchbar button,.primary,.ghost,.dark,.accent{border:0;border-radius:999px;padding:12px 18px;cursor:pointer}
.searchbar button,.primary{background:var(--primary);color:#fff}.ghost{background:transparent;border:1px solid var(--line);color:var(--text)}.dark{background:#0d1320;border:1px solid var(--line)}.accent{background:var(--accent);color:#08261d}.danger{background:var(--danger);color:#fff;border:0;padding:10px 14px;border-radius:10px}
.topnav{display:flex;justify-content:flex-end;gap:12px}
.hero{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;padding:40px 28px 10px;max-width:1360px;margin:auto}.hero-copy{padding:28px;border-radius:30px;background:radial-gradient(circle at top left,rgba(91,140,255,.18),transparent 40%),var(--panel);border:1px solid var(--line)}
.eyebrow{display:inline-block;padding:8px 12px;background:#111b30;border:1px solid #1e315b;color:#aec3ff;border-radius:999px;margin-bottom:16px}
.hero h1{font-size:56px;line-height:1.05;margin:0 0 12px;max-width:780px}.hero p{color:var(--muted);font-size:18px;max-width:700px}.hero-actions{display:flex;gap:12px;margin-top:22px}.hero-panel{display:grid;gap:16px}
.stat-card,.panel,.category-card,.detail-card,.modeled-card,.notice,.auth-card{background:var(--panel);border:1px solid var(--line);border-radius:24px}
.stat-card{padding:24px}.stat-card strong{display:block;font-size:30px;margin-bottom:6px}.stat-card span{color:var(--muted)}
.section-block{max-width:1360px;margin:10px auto 0;padding:10px 28px 8px}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:16px;margin-bottom:18px}.section-heading h1,.section-heading h2{margin:0}.section-heading p,.muted{color:var(--muted)}
.circle-row,.category-row,.card-row,.search-grid,.modeled-list{display:grid;gap:18px;overflow:auto;padding-bottom:6px}.circle-row{grid-auto-flow:column;grid-auto-columns:150px}.category-row{grid-auto-flow:column;grid-auto-columns:220px}.card-row{grid-auto-flow:column;grid-auto-columns:minmax(320px,320px)}.search-grid{grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}.modeled-list{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.circle-item{text-align:center}.circle-item img{width:120px;height:120px;border-radius:50%;object-fit:cover;margin:0 auto 12px;border:3px solid #1c2640}.circle-item span{display:block;color:var(--muted);font-size:13px}
.category-card{padding:28px;font-size:24px;font-weight:700;display:flex;align-items:end;min-height:150px;background:linear-gradient(180deg,#141b2b,#0c111b)}
.channel-card{background:var(--panel);border:1px solid var(--line);border-radius:26px;overflow:hidden}.channel-card img{width:100%;height:180px;object-fit:cover}.channel-card-body{padding:18px}.channel-card h3{margin:0 0 8px;font-size:20px}.channel-card p{margin:0;color:var(--muted)}
.meta-grid,.score-line,.card-actions,.actions-inline{display:flex;flex-wrap:wrap;gap:10px}.meta-grid,.score-line{margin-top:12px;font-size:13px;color:#c8d2ec}.card-actions{margin-top:16px}.card-actions form{margin:0}.card-actions.left{justify-content:flex-start}
.content-container{max-width:1360px;margin:auto;padding:28px}.channel-hero{max-width:1200px;margin:20px auto;padding:0 28px 40px}.channel-banner{height:280px;width:100%;object-fit:cover;border-radius:28px;border:1px solid var(--line)}.channel-header{display:flex;gap:18px;align-items:center;margin-top:-50px;padding:0 20px}.channel-avatar{width:140px;height:140px;border-radius:28px;border:4px solid #0b1019;object-fit:cover;background:#111}
.detail-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:16px;margin:22px 0}.detail-card{padding:18px}.detail-card strong{display:block;color:var(--muted);font-size:13px;margin-bottom:8px}
.auth-shell{display:grid;place-items:center;min-height:100vh;padding:24px}.auth-card{padding:28px;display:grid;gap:14px;width:min(460px,100%)}.auth-card input,.auth-card textarea,.auth-card select,.panel input,.panel textarea,.panel select{width:100%;background:var(--soft);border:1px solid var(--line);color:var(--text);padding:14px;border-radius:16px;outline:none}.full{width:100%}
.dashboard-shell,.admin-shell{display:grid;grid-template-columns:280px 1fr;gap:22px;max-width:1360px;margin:auto;padding:24px 28px}.sidebar{position:sticky;top:90px;height:max-content;background:var(--panel);border:1px solid var(--line);border-radius:26px;padding:16px;display:grid;gap:8px}.sidebar a{padding:14px 16px;border-radius:16px;color:#dbe4ff}.sidebar a:hover{background:#131d30}
.dashboard-main{display:grid;gap:22px}.dashboard-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px}.panel{padding:22px}.form-grid{display:grid;gap:14px}
.notice{padding:16px;margin-top:12px}.table{width:100%;border-collapse:collapse;background:var(--panel);border-radius:24px;overflow:hidden}.table th,.table td{padding:14px;border-bottom:1px solid var(--line);text-align:left}.actions-inline form{display:inline-block}
@media (max-width: 980px){
  .topbar{grid-template-columns:1fr;gap:12px}.hero{grid-template-columns:1fr}.dashboard-shell,.admin-shell{grid-template-columns:1fr}.sidebar{position:static}.hero h1{font-size:40px}
}