:root{--bg: #0e1116;--panel: #171c24;--panel-2: #1f2630;--border: #2a323d;--text: #e6edf3;--muted: #8b98a5;--accent: #3fb950;--danger: #f85149}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text)}.app{min-height:100vh}.topbar{display:flex;align-items:center;gap:16px;padding:12px 20px;background:var(--panel);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10}.brand{font-weight:700;letter-spacing:.3px;display:flex;align-items:center;gap:8px}.brand.big{font-size:22px}.dot{width:10px;height:10px;border-radius:50%;background:var(--accent);box-shadow:0 0 8px var(--accent)}.status{margin-left:auto;color:var(--muted);font-variant-numeric:tabular-nums}.btn-ghost{background:transparent;border:1px solid var(--border);color:var(--text);padding:6px 14px;border-radius:8px;cursor:pointer}.btn-ghost:hover{background:var(--panel-2)}.error-bar{background:#f8514926;color:var(--danger);padding:8px 20px;font-size:14px}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(360px,1fr));gap:14px;padding:18px}.tile{position:relative;background:#000;border:1px solid var(--border);border-radius:12px;overflow:hidden;aspect-ratio:16 / 9}.tile.on{border-color:#3fb95080}.tile video{width:100%;height:100%;object-fit:contain;background:#000;display:block}.offline-overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;color:var(--muted);letter-spacing:2px;font-size:14px;background:repeating-linear-gradient(45deg,#12161c,#12161c 10px,#10141a 10px,#10141a 20px)}.tile-bar{position:absolute;left:0;right:0;bottom:0;display:flex;align-items:center;justify-content:space-between;gap:8px;padding:8px 10px;background:linear-gradient(transparent,#000000bf)}.tile-name{font-size:13px;font-weight:600;text-shadow:0 1px 2px #000}.badge{font-size:11px;font-weight:700;padding:2px 8px;border-radius:999px;letter-spacing:.5px}.badge.live{background:var(--accent);color:#041007}.badge.dead{background:var(--panel-2);color:var(--muted)}.empty{padding:40px;color:var(--muted);text-align:center}.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}.login-card{background:var(--panel);border:1px solid var(--border);border-radius:16px;padding:32px;width:100%;max-width:360px;display:flex;flex-direction:column;gap:14px}.muted{color:var(--muted);margin:0;font-size:14px}.login-card input{background:var(--bg);border:1px solid var(--border);color:var(--text);padding:12px 14px;border-radius:10px;font-size:15px}.login-card input:focus{outline:none;border-color:var(--accent)}.login-card button{background:var(--accent);color:#041007;border:none;padding:12px;border-radius:10px;font-weight:700;cursor:pointer;font-size:15px}.login-card button:disabled{opacity:.6;cursor:default}.login-error{color:var(--danger);font-size:14px}