:root{color-scheme:light;--bg: #f6f7f9;--card: #ffffff;--border: #dde1e6;--text: #1a1d21;--muted: #6b7280;--accent: #2563eb;--accent-hover: #1d4ed8;--danger: #dc2626;--ok: #16a34a;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}a{color:var(--accent)}.app-shell{min-height:100vh;display:flex}.sidebar{width:220px;background:#14181f;color:#fff;padding:24px 16px;flex-shrink:0}.sidebar h1{font-size:16px;margin:0 0 24px}.sidebar nav a{display:block;color:#cbd2db;text-decoration:none;padding:8px 10px;border-radius:6px;margin-bottom:4px;font-size:14px}.sidebar nav a.active,.sidebar nav a:hover{background:#232a35;color:#fff}.sidebar .logout{margin-top:32px}.main{flex:1;padding:32px;max-width:1100px}.card{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:20px;margin-bottom:20px}h1,h2,h3{margin-top:0}.btn{display:inline-block;background:var(--accent);color:#fff;border:none;border-radius:6px;padding:8px 14px;font-size:14px;cursor:pointer;text-decoration:none}.btn:hover{background:var(--accent-hover)}.btn.secondary{background:#fff;color:var(--text);border:1px solid var(--border)}.btn.danger{background:var(--danger)}.btn:disabled{opacity:.5;cursor:not-allowed}input[type=text],input[type=email],input[type=password],input[type=number],select,textarea{padding:8px 10px;border:1px solid var(--border);border-radius:6px;font-size:14px;width:100%}label{display:block;font-size:13px;color:var(--muted);margin-bottom:4px;margin-top:12px}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:10px 8px;border-bottom:1px solid var(--border);font-size:14px}th{color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase}.pill{display:inline-flex;align-items:center;gap:6px;font-size:12px;padding:3px 9px;border-radius:999px}.pill.online{background:#dcfce7;color:var(--ok)}.pill.offline{background:#fee2e2;color:var(--danger)}.pill .dot{width:7px;height:7px;border-radius:50%;background:currentColor}.error-text{color:var(--danger);font-size:13px;margin-top:8px}.muted{color:var(--muted);font-size:13px}.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg)}.login-card{width:340px}.media-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px}.media-tile{border:1px solid var(--border);border-radius:8px;overflow:hidden;background:#fff}.media-tile img,.media-tile video{width:100%;height:100px;object-fit:cover;display:block;background:#000}.media-tile .meta{padding:8px;font-size:12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.media-tile.picker{cursor:pointer;transition:border-color .15s,transform .15s}.media-tile.picker:hover{border-color:var(--accent);transform:translateY(-2px)}.media-tile.schedule{padding:8px;font-size:12px;border-top:1px solid var(--border)}.media-tile.schedule label{margin:6px 0 2px;font-size:11px}.media-tile .badge{display:inline-block;font-size:10px;padding:2px 6px;border-radius:4px;margin-top:4px}.media-tile .badge.scheduled{background:#fef3c7;color:#92400e}.media-tile .badge.expired{background:#fee2e2;color:#991b1b}.playlist-checklist{display:flex;flex-direction:column;gap:6px}.playlist-checklist label{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text);margin:0}.dropzone{border:2px dashed var(--border);border-radius:10px;padding:32px;text-align:center;color:var(--muted);margin-bottom:20px;cursor:pointer}.dropzone.active{border-color:var(--accent);color:var(--accent)}.playlist-row{display:flex;align-items:center;gap:10px;padding:8px;border:1px solid var(--border);border-radius:8px;margin-bottom:6px;background:#fff}.playlist-row .thumb{width:50px;height:36px;object-fit:cover;border-radius:4px;background:#000}.playlist-row .grow{flex:1}.player-root{width:100vw;height:100vh;background:#000;overflow:hidden;position:relative;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}.player-media{width:100%;height:100%;object-fit:cover}.player-overlay-clock{position:absolute;top:24px;right:32px;color:#fff;text-shadow:0 1px 6px rgba(0,0,0,.8);text-align:right}.player-overlay-clock .time{font-size:42px;font-weight:600;line-height:1}.player-overlay-clock .date{font-size:16px;opacity:.85}.player-overlay-weather{position:absolute;top:24px;left:32px;color:#fff;text-shadow:0 1px 6px rgba(0,0,0,.8);display:flex;align-items:center;gap:10px}.player-overlay-weather .temp{font-size:32px;font-weight:600}.player-overlay-weather .label{font-size:14px;opacity:.85}.player-overlay-ticker{position:absolute;bottom:0;left:0;right:0;background:#000000a6;color:#fff;padding:12px 0;overflow:hidden;white-space:nowrap}.player-overlay-ticker .track{display:inline-block;padding-left:100%;animation:ticker-scroll 30s linear infinite;font-size:20px}@keyframes ticker-scroll{0%{transform:translate(0)}to{transform:translate(-100%)}}.player-placeholder{color:#9ca3af;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:8px}.player-placeholder code{background:#1f2937;padding:4px 10px;border-radius:6px;color:#e5e7eb}