*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg: #0a0a0f; --surface: #111118; --border: #1e1e2e;
  --accent: #8b5cf6; --accent-glow: rgba(139,92,246,0.3);
  --text: #e2e2f0; --text-muted: #6b6b8a;
  --red: #ef4444; --green: #22c55e;
  --font: 'Segoe UI', system-ui, sans-serif;
}
body { font-family: var(--font); background: var(--bg); color: var(--text); min-height: 100vh; }
.sala-body { display: flex; align-items: center; justify-content: center; padding: 1.5rem; }
.sala-container { width: 100%; max-width: 900px; }
.sala-header { text-align: center; margin-bottom: 2rem; }
.sala-header h1 { font-size: 2rem; font-weight: 700; letter-spacing: -0.02em; }
.sala-subtitle { color: var(--text-muted); margin-top: 0.5rem; }
.badge-vivo { display: inline-block; background: var(--red); color: #fff; font-size: 0.75rem; font-weight: 700; letter-spacing: 0.1em; padding: 0.25rem 0.75rem; border-radius: 999px; margin-top: 0.5rem; animation: pulse-vivo 1.5s ease-in-out infinite; }
@keyframes pulse-vivo { 0%, 100% { opacity: 1; } 50% { opacity: 0.6; } }
.player-wrapper { margin: 1.5rem 0; }
.player-frame-container { position: relative; width: 100%; padding-top: 56.25%; background: #000; border-radius: 12px; overflow: hidden; box-shadow: 0 0 60px var(--accent-glow); }
.player-frame-container iframe { position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: none; }
.player-overlay { position: absolute; bottom: 0; left: 0; width: 100%; height: 56px; z-index: 10; cursor: default; }
.vivo-disclaimer { text-align: center; color: var(--text-muted); font-size: 0.85rem; margin-top: 1rem; }
.countdown-wrapper { display: flex; justify-content: center; margin: 2rem 0; }
.countdown { display: flex; align-items: center; gap: 0.5rem; font-size: 4rem; font-weight: 800; letter-spacing: -0.03em; font-variant-numeric: tabular-nums; }
.countdown-unit { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 0.5rem 1rem; min-width: 3.5ch; text-align: center; }
.countdown-sep { color: var(--accent); }
.espera-mensaje { text-align: center; color: var(--text-muted); }
.finalizado-body { align-items: center; }
.finalizado-content { text-align: center; margin-top: 2rem; }
.finalizado-icon { font-size: 4rem; color: var(--green); margin-bottom: 1rem; }
.admin-body { align-items: flex-start; justify-content: flex-start; }
.admin-login-container { margin: 4rem auto; width: 100%; max-width: 380px; }
.admin-login-container h1 { margin-bottom: 1.5rem; font-size: 1.5rem; }
.admin-container { width: 100%; max-width: 1100px; margin: 2rem auto; padding: 0 1rem; }
.admin-topbar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 2rem; gap: 1rem; flex-wrap: wrap; }
.admin-topbar h1 { font-size: 1.5rem; }
.table-wrapper { overflow-x: auto; }
.admin-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.admin-table th, .admin-table td { padding: 0.75rem 1rem; border-bottom: 1px solid var(--border); text-align: left; white-space: nowrap; }
.admin-table th { color: var(--text-muted); font-weight: 600; }
.admin-table tr:hover td { background: var(--surface); }
code { font-size: 0.8em; background: var(--border); padding: 0.1em 0.4em; border-radius: 4px; }
.admin-form { max-width: 560px; }
.form-group { margin-bottom: 1.25rem; }
.form-group label { display: block; margin-bottom: 0.4rem; font-size: 0.9rem; color: var(--text-muted); }
.form-group input, .form-group select { width: 100%; padding: 0.6rem 0.9rem; background: var(--surface); border: 1px solid var(--border); border-radius: 8px; color: var(--text); font-family: var(--font); font-size: 0.95rem; outline: none; transition: border-color 0.2s; }
.form-group input:focus, .form-group select:focus { border-color: var(--accent); }
.form-group small { display: block; margin-top: 0.3rem; font-size: 0.8rem; color: var(--text-muted); }
.form-actions { display: flex; gap: 0.75rem; margin-top: 1.5rem; }
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 0.5rem 1.1rem; border-radius: 8px; font-size: 0.9rem; font-weight: 600; text-decoration: none; cursor: pointer; border: none; font-family: var(--font); transition: opacity 0.15s; }
.btn:hover { opacity: 0.85; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-secondary { background: var(--border); color: var(--text); }
.btn-sm { padding: 0.3rem 0.7rem; font-size: 0.8rem; }
.badge { font-size: 0.75rem; font-weight: 700; padding: 0.2rem 0.6rem; border-radius: 999px; }
.badge-success { background: rgba(34,197,94,0.15); color: var(--green); }
.badge-muted { background: var(--border); color: var(--text-muted); }
.alert { padding: 0.75rem 1rem; border-radius: 8px; margin-bottom: 1rem; font-size: 0.9rem; }
.alert-error { background: rgba(239,68,68,0.15); color: var(--red); border: 1px solid rgba(239,68,68,0.3); }
.empty-state { color: var(--text-muted); padding: 2rem 0; }