:root {
  --bg-color: #0b0f19;
  --bg-gradient: radial-gradient(circle at 50% 10%, #1e293b 0%, #0b0f19 80%);
  --panel-bg: rgba(18, 24, 38, 0.85);
  --panel-border: rgba(255, 255, 255, 0.1);
  --primary: #22c55e;
  --primary-glow: rgba(34, 197, 94, 0.4);
  --danger: #ef4444;
  --danger-glow: rgba(239, 68, 68, 0.4);
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --gold: #ffd700;
  --silver: #e2e8f0;
  --bronze: #cd7f32;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, Roboto, sans-serif;
  background: var(--bg-gradient);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  user-select: none;
}

/* HEADER GLOBAL */
.admin-header {
  height: 70px;
  background: rgba(15, 23, 42, 0.95);
  border-bottom: 1px solid var(--panel-border);
  backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 20px;
}

.header-logo {
  font-size: 1.25rem;
  font-weight: 900;
  letter-spacing: 1px;
  background: linear-gradient(135deg, #22c55e 0%, #4ade80 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.room-pin-display {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 6px 16px;
  border-radius: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.pin-label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-muted);
}

.pin-code {
  font-size: 1.2rem;
  font-weight: 900;
  color: #38bdf8;
  letter-spacing: 2px;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.url-badge {
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.3);
  padding: 6px 14px;
  border-radius: 12px;
  font-size: 0.9rem;
  color: #e2e8f0;
}

.url-badge strong {
  color: #38bdf8;
}

.btn-icon {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--panel-border);
  color: #ffffff;
  font-size: 1.2rem;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.btn-icon:hover {
  background: rgba(255, 255, 255, 0.15);
}

/* VISTAS */
.admin-view {
  display: none;
  flex: 1;
  padding: 24px 32px;
}

.admin-view.active {
  display: flex;
  flex-direction: column;
}

/* PANELES DE VIDRIO */
.glass-panel {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: 20px;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
}

/* 1. LOBBY VIEW */
.lobby-hero {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 24px;
  margin-bottom: 28px;
}

.pin-card {
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.pin-card-top {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 700;
  color: #4ade80;
  letter-spacing: 1px;
  margin-bottom: 12px;
}

.pulse-indicator {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 12px #22c55e;
  animation: pulseDot 1.5s infinite alternate;
}

@keyframes pulseDot {
  from { transform: scale(0.8); opacity: 0.6; }
  to { transform: scale(1.3); opacity: 1; }
}

.pin-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 1px;
}

.pin-giant {
  font-size: 5rem;
  font-weight: 900;
  color: #38bdf8;
  letter-spacing: 6px;
  line-height: 1.1;
  text-shadow: 0 0 35px rgba(56, 189, 248, 0.4);
  margin: 4px 0 12px;
}

.pin-instruction {
  font-size: 1.1rem;
  color: #cbd5e1;
}

.pin-instruction strong {
  color: #ffffff;
  text-decoration: underline;
}

.lobby-action-box {
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid var(--panel-border);
  border-radius: 20px;
  padding: 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.players-counter-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 24px;
}

.counter-num {
  font-size: 4rem;
  font-weight: 900;
  color: #ffffff;
  line-height: 1;
}

.counter-label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 1px;
  margin-top: 4px;
}

.btn-start {
  width: 100%;
  max-width: 320px;
  background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
  color: #ffffff;
  border: none;
  border-radius: 16px;
  padding: 20px;
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: 1px;
  cursor: pointer;
  box-shadow: 0 10px 25px var(--primary-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  transition: all 0.2s ease;
}

.btn-start:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px var(--primary-glow);
}

.btn-start:disabled {
  background: #334155;
  color: #64748b;
  cursor: not-allowed;
  box-shadow: none;
}

.start-hint {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 10px;
}

.section-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: #cbd5e1;
}

.lobby-players-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
  max-height: 380px;
  overflow-y: auto;
  padding-right: 6px;
}

.lobby-player-card {
  background: rgba(30, 41, 59, 0.7);
  border: 2px solid var(--panel-border);
  border-radius: 16px;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  animation: popPlayer 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  position: relative;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.lobby-player-card:hover {
  transform: translateY(-2px);
}

@keyframes popPlayer {
  0% { transform: scale(0.5); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}

.player-avatar-circle {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--p-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  box-shadow: 0 0 12px var(--p-color);
  flex-shrink: 0;
}

.player-name-text {
  font-size: 1.05rem;
  font-weight: 700;
  color: #ffffff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.btn-kick {
  position: absolute;
  top: 6px;
  right: 6px;
  background: rgba(239, 68, 68, 0.2);
  border: 1px solid rgba(239, 68, 68, 0.4);
  color: #f87171;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
}

.lobby-player-card:hover .btn-kick {
  display: flex;
}

/* 2. COUNTDOWN VIEW (SINCRONIZADO EN PROYECTOR) */
.countdown-hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 40px;
  text-align: center;
  margin: auto;
  max-width: 600px;
  width: 100%;
}

.countdown-circle {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: rgba(34, 197, 94, 0.15);
  border: 4px solid #22c55e;
  box-shadow: 0 0 40px rgba(34, 197, 94, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  animation: countdownPop 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275) infinite;
}

.countdown-giant-number {
  font-size: 6rem;
  font-weight: 900;
  color: #4ade80;
  text-shadow: 0 0 20px rgba(74, 222, 128, 0.8);
}

.countdown-hero-title {
  font-size: 2.2rem;
  font-weight: 900;
  letter-spacing: 2px;
  color: #ffffff;
  margin-bottom: 8px;
}

.countdown-hero-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
}

@keyframes countdownPop {
  0% { transform: scale(0.6); opacity: 0.2; }
  50% { transform: scale(1.1); opacity: 1; }
  100% { transform: scale(1); opacity: 1; }
}

/* 3. GAME VIEW (PANTALLA DIVIDIDA DINÁMICA) */
.game-control-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  margin-bottom: 20px;
}

.game-stats-summary {
  display: flex;
  align-items: center;
  gap: 24px;
}

.stat-badge.live {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.4);
  color: #ef4444;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.85rem;
}

.dot-live {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #ef4444;
  box-shadow: 0 0 8px #ef4444;
  animation: pulseDot 1s infinite alternate;
}

.stat-item {
  font-size: 0.95rem;
  color: var(--text-muted);
}

.stat-item strong {
  font-size: 1.15rem;
  margin-left: 4px;
}

.text-green { color: #4ade80; }
.text-red { color: #f87171; }

.btn-danger {
  background: rgba(239, 68, 68, 0.2);
  border: 1px solid #ef4444;
  color: #fca5a5;
  padding: 10px 20px;
  border-radius: 12px;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-danger:hover {
  background: #ef4444;
  color: #ffffff;
  box-shadow: 0 0 15px var(--danger-glow);
}

/* CUADRÍCULA DE JUGADORES (CSS GRID INTELIGENTE) */
.multiscreen-container {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.players-grid {
  display: grid;
  gap: 16px;
  width: 100%;
  flex: 1;
}

/* REGLAS RESPONSIVAS DE GRID SEGÚN CANTIDAD DE JUGADORES */
.players-grid.count-1, .players-grid.count-2 {
  grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
}

.players-grid.count-3, .players-grid.count-4 {
  grid-template-columns: repeat(2, 1fr);
}

.players-grid.count-medium { /* 5 a 12 jugadores */
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

.players-grid.count-large { /* 13 a 30+ jugadores */
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 10px;
}

/* TARJETA INDIVIDUAL DE JUGADOR EN EL GRID */
.player-monitor-card {
  background: rgba(20, 29, 47, 0.9);
  border: 2px solid var(--panel-border);
  border-radius: 16px;
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

/* Destellos visuales al subir o bajar */
.player-monitor-card.flash-up {
  border-color: #22c55e !important;
  box-shadow: 0 0 25px rgba(34, 197, 94, 0.7);
  animation: flashGreen 0.6s ease;
}

.player-monitor-card.flash-down {
  border-color: #f59e0b !important;
  animation: flashAmber 0.6s ease;
}

.player-monitor-card.crashed {
  border-color: rgba(239, 68, 68, 0.4);
  background: rgba(35, 15, 20, 0.85);
  opacity: 0.85;
}

@keyframes flashGreen {
  0% { transform: scale(1.03); }
  100% { transform: scale(1); }
}

@keyframes flashAmber {
  0% { transform: scale(0.98); }
  100% { transform: scale(1); }
}

.card-top-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.player-rank-badge {
  font-size: 0.9rem;
  font-weight: 800;
  padding: 3px 10px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.08);
  color: #cbd5e1;
}

.rank-1 .player-rank-badge { background: #ffd700; color: #000000; }
.rank-2 .player-rank-badge { background: #e2e8f0; color: #000000; }
.rank-3 .player-rank-badge { background: #cd7f32; color: #ffffff; }

.player-action-tag {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-muted);
}

.player-action-tag.running { color: #4ade80; background: rgba(74, 222, 128, 0.15); }
.player-action-tag.jumping { color: #38bdf8; background: rgba(56, 189, 248, 0.15); }
.player-action-tag.ducking { color: #fbbf24; background: rgba(251, 191, 36, 0.15); }
.player-action-tag.crashed { color: #f87171; background: rgba(248, 113, 113, 0.15); }

.card-main-info {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

.card-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--p-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  box-shadow: 0 0 10px var(--p-color);
  flex-shrink: 0;
}

.card-details {
  flex: 1;
  overflow: hidden;
}

.card-player-name {
  font-size: 1.1rem;
  font-weight: 800;
  color: #ffffff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.card-score-box {
  font-size: 1.3rem;
  font-weight: 900;
  color: #4ade80;
  font-family: monospace;
}

/* ESCENARIO DEL DINO EN TIEMPO REAL */
.card-dino-viewport {
  width: 100%;
  height: 140px;
  background: #ffffff;
  border-radius: 12px;
  overflow: hidden;
  margin: 10px 0;
  position: relative;
  box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.15), 0 4px 15px rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
}

.count-1 .card-dino-viewport {
  height: 220px;
}

.count-3 .card-dino-viewport {
  height: 150px;
}

.count-large .card-dino-viewport {
  height: 90px;
}

.card-dino-canvas {
  width: 100%;
  height: 100%;
  display: block;
  image-rendering: pixelated;
}

/* MINI PISTA DE CARRERA POR JUGADOR */
.card-track-container {
  margin-top: 4px;
}

.card-track-bar {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  overflow: hidden;
  position: relative;
}

.card-track-fill {
  height: 100%;
  background: var(--p-color);
  border-radius: 4px;
  width: 0%;
  transition: width 0.15s ease-out;
}

/* 3. PODIUM VIEW */
.podium-container {
  padding: 36px 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.podium-heading {
  font-size: 2.6rem;
  font-weight: 900;
  color: #ffd700;
  text-shadow: 0 0 25px rgba(255, 215, 0, 0.4);
  margin-bottom: 4px;
}

.podium-subheading {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 36px;
}

.podium-stage {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 20px;
  width: 100%;
  max-width: 700px;
  margin-bottom: 40px;
  min-height: 280px;
}

.podium-pillar {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}

.winner-avatar {
  font-size: 3rem;
  margin-bottom: 8px;
  animation: bounceAvatar 2s infinite;
}

@keyframes bounceAvatar {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.crown {
  font-size: 2.2rem;
  position: absolute;
  top: -38px;
  animation: spinCrown 3s ease-in-out infinite alternate;
}

@keyframes spinCrown {
  0% { transform: rotate(-5deg); }
  100% { transform: rotate(5deg); }
}

.winner-name {
  font-size: 1.25rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 2px;
  text-align: center;
}

.winner-score {
  font-size: 1.1rem;
  font-weight: 800;
  color: #4ade80;
  font-family: monospace;
  margin-bottom: 12px;
}

.step {
  width: 100%;
  border-radius: 16px 16px 0 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 16px 8px;
  box-shadow: inset 0 2px 8px rgba(255, 255, 255, 0.2);
}

.step-1 {
  height: 180px;
  background: linear-gradient(180deg, #ffd700 0%, #b8860b 100%);
  color: #000000;
}

.step-2 {
  height: 140px;
  background: linear-gradient(180deg, #e2e8f0 0%, #94a3b8 100%);
  color: #000000;
}

.step-3 {
  height: 110px;
  background: linear-gradient(180deg, #cd7f32 0%, #8b4513 100%);
  color: #ffffff;
}

.medal {
  font-size: 2.2rem;
  margin-bottom: 4px;
}

.step-num {
  font-size: 2rem;
  font-weight: 900;
}

/* TABLA COMPLETA */
.full-leaderboard-box {
  width: 100%;
  max-width: 800px;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--panel-border);
  border-radius: 16px;
  padding: 20px;
  margin-bottom: 28px;
}

.full-leaderboard-box h3 {
  font-size: 1.1rem;
  color: #cbd5e1;
  margin-bottom: 14px;
}

.leaderboard-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.leaderboard-table th {
  padding: 10px 14px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-muted);
  border-bottom: 1px solid var(--panel-border);
  text-transform: uppercase;
}

.leaderboard-table td {
  padding: 12px 14px;
  font-size: 0.95rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.podium-actions {
  display: flex;
  gap: 16px;
}

.btn-primary-large {
  background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
  color: #ffffff;
  border: none;
  border-radius: 14px;
  padding: 16px 28px;
  font-size: 1.1rem;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 8px 20px var(--primary-glow);
  transition: all 0.2s ease;
}

.btn-primary-large:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 25px var(--primary-glow);
}

.btn-secondary-large {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--panel-border);
  color: #ffffff;
  border-radius: 14px;
  padding: 16px 28px;
  font-size: 1.1rem;
  font-weight: 800;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-secondary-large:hover {
  background: rgba(255, 255, 255, 0.15);
}

/* CONFETI */
.confetti-canvas {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 999;
}