:root{color-scheme:dark;--bg:#08111d;--panel:#101827;--panel2:#162133;--line:#263245;--text:#eef4ff;--muted:#96a7bd;--accent:#5fb0ff}*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,sans-serif;background:linear-gradient(180deg,#0f1725,#08111d);color:var(--text)}.hidden{display:none!important}.shell{min-height:100vh}.login-screen{min-height:100vh;display:grid;place-items:center;padding:24px}.login-card{width:min(420px,100%);background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:28px;display:grid;gap:14px}.eyebrow{text-transform:uppercase;letter-spacing:.16em;font-size:12px;color:#79c7ff;margin:0}.login-card h1{margin:0 0 6px}.login-card label{display:grid;gap:8px;color:var(--muted)}input,button{font:inherit}input{width:100%;padding:12px 14px;border-radius:12px;border:1px solid var(--line);background:#0b1320;color:var(--text)}button{padding:12px 14px;border-radius:12px;border:1px solid var(--line);background:var(--panel2);color:var(--text);cursor:pointer}.error{min-height:20px;color:#ff788f}.app{padding:24px}.topbar{display:flex;justify-content:space-between;gap:16px;align-items:end;margin-bottom:18px}.topbar h1{margin:4px 0 0}.actions{display:flex;gap:10px;align-items:center}.actions input{width:260px}.layout{display:grid;grid-template-columns:360px 1fr;gap:18px;min-height:calc(100vh - 120px)}.sidebar{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:12px;display:grid;grid-template-rows:auto 1fr;gap:12px;min-height:0}.groups{display:flex;flex-wrap:wrap;gap:8px}.group.active{border-color:var(--accent);background:#11304d}.channels{overflow:auto;display:grid;gap:8px}.channel{text-align:left;display:grid;gap:4px;background:#0b1320}.channel-name{font-weight:700}.channel-group{font-size:12px;color:var(--muted)}.viewer{display:grid;grid-template-rows:minmax(320px,68vh) auto;gap:14px;min-height:0}.player-card{position:relative;background:#000;border:1px solid var(--line);border-radius:18px;overflow:hidden}.player-card video{width:100%;height:100%;display:block;background:#000}.placeholder{position:absolute;inset:0;display:grid;place-items:center;color:var(--muted);background:linear-gradient(180deg,rgba(15,23,37,.15),rgba(0,0,0,.65))}.meta{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:18px}.meta h2{margin:0 0 6px}.meta p{margin:0;color:var(--muted)}@media(max-width:960px){.app{padding:12px}.layout{grid-template-columns:1fr}.actions{width:100%;flex-wrap:wrap}.actions input{width:100%}.viewer{grid-template-rows:40vh auto}}