:root{--bg:#0a0c10;--panel:#141821;--line:#252b37;--text:#eef1f7;--muted:#8992a3;--accent:#ffc107}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);font-family:Inter,system-ui,sans-serif}.app-shell{display:flex;min-height:100vh}.sidebar{width:250px;background:#0e1117;border-right:1px solid var(--line);padding:26px 18px;display:flex;flex-direction:column;position:fixed;height:100vh}.brand{font-weight:900;letter-spacing:.5px;color:#fff;text-decoration:none;font-size:19px}.brand span{color:var(--accent)}.tagline{font-size:12px;color:var(--muted);margin:8px 0 28px}.sidebar nav{display:grid;gap:4px}.sidebar nav a,.logout{padding:10px 12px;color:#adb5c4;text-decoration:none;border-radius:8px}.sidebar nav a:hover{background:#1a202b;color:#fff}.logout{margin-top:auto}.content{margin-left:250px;min-width:0;width:calc(100% - 250px);padding:24px 34px}.topbar{display:flex;justify-content:space-between;align-items:center;padding-bottom:22px;border-bottom:1px solid var(--line);margin-bottom:30px}.page-heading{display:flex;align-items:start;justify-content:space-between;margin-bottom:25px}.page-heading h1{font-size:29px;margin:0 0 6px}.page-heading p{color:var(--muted);margin:0}.metric,.panel{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:20px}.metric small{display:block;color:var(--muted)}.metric strong{font-size:30px;display:block;margin-top:7px}.panel h2{font-size:17px;margin-bottom:18px}.table{--bs-table-bg:transparent;--bs-table-color:#e8edf4;--bs-table-border-color:var(--line);font-size:14px}.table small{display:block;color:var(--muted);margin-top:3px}.video-cell{display:flex;align-items:center;gap:10px;min-width:280px}.video-cell img{width:82px;height:46px;object-fit:cover;border-radius:5px}.up{color:#60d394}.score{background:rgba(255,193,7,.15);color:var(--accent);padding:4px 8px;border-radius:5px}.form-select,.form-control{background:#0d1118;border-color:#303949;color:#fff}.form-select:focus,.form-control:focus{background:#0d1118;color:#fff;border-color:var(--accent);box-shadow:none}.detail-thumb{width:100%;border-radius:10px}.panel p{display:flex;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:9px}.panel p:last-child{border:0;margin:0}.ai-result{white-space:pre-wrap;line-height:1.65;background:#0d1118;border-radius:8px;padding:16px;display:none}.login{min-height:100vh;display:grid;place-items:center}.login-card{width:min(420px,92vw);background:var(--panel);border:1px solid var(--line);border-radius:15px;padding:34px}.login-card .brand{font-size:24px;display:block}.login-card p{color:var(--muted);margin:9px 0 25px}.login-card label{display:block;margin:14px 0 7px;color:#c2c8d3}@media(max-width:800px){.sidebar{position:static;width:100%;height:auto}.app-shell{display:block}.content{margin:0;width:100%;padding:20px}.sidebar nav{grid-template-columns:repeat(2,1fr)}.topbar,.page-heading{gap:15px;flex-wrap:wrap}}