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

body {
  background: #1a1a2e;
  color: #eee;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  overflow: hidden;
  width: 100vw;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
}

/* Screens */
.screen {
  display: none;
  position: absolute;
  width: 100%;
  height: 100%;
  justify-content: center;
  align-items: center;
}

.screen.active {
  display: flex;
}

/* Lobby */
.lobby-container {
  text-align: center;
  max-width: 360px;
  width: 100%;
  padding: 20px;
}

.title {
  font-size: 48px;
  font-weight: 900;
  background: linear-gradient(135deg, #f5af19, #f12711);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 4px;
  letter-spacing: 2px;
}

.subtitle {
  color: #888;
  font-size: 14px;
  margin-bottom: 32px;
}

.input-group {
  margin-bottom: 16px;
  text-align: left;
}

.input-group label {
  display: block;
  font-size: 13px;
  color: #aaa;
  margin-bottom: 6px;
}

.input-group input {
  width: 100%;
  padding: 12px 16px;
  background: #16213e;
  border: 2px solid #0f3460;
  border-radius: 8px;
  color: #eee;
  font-size: 16px;
  outline: none;
  transition: border-color 0.2s;
}

.input-group input:focus {
  border-color: #f5af19;
}

.btn-group {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.btn {
  flex: 1;
  padding: 14px 20px;
  border: none;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-primary {
  background: linear-gradient(135deg, #f5af19, #f12711);
  color: #fff;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(245, 175, 25, 0.4);
}

.btn-secondary {
  background: #16213e;
  color: #ccc;
  border: 2px solid #0f3460;
}

.btn-secondary:hover {
  border-color: #f5af19;
  color: #f5af19;
}

.join-panel {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid #0f3460;
}

.hidden {
  display: none !important;
}

.error-msg {
  margin-top: 12px;
  color: #f12711;
  font-size: 14px;
}

/* Waiting */
.waiting-container {
  text-align: center;
}

.waiting-container h2 {
  font-size: 24px;
  margin-bottom: 20px;
}

.room-code-display {
  font-size: 18px;
  margin-bottom: 8px;
}

.code {
  font-size: 36px;
  font-weight: 900;
  color: #f5af19;
  letter-spacing: 6px;
}

.waiting-hint {
  color: #888;
  font-size: 13px;
  margin-bottom: 24px;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid #0f3460;
  border-top-color: #f5af19;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 24px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Game */
#screen-game {
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0;
}

.game-hud {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 800px;
  padding: 8px 16px;
  background: #16213e;
  border-radius: 8px 8px 0 0;
}

.hud-player {
  display: flex;
  align-items: center;
  gap: 10px;
}

.hud-name {
  font-size: 14px;
  color: #aaa;
}

.hud-score {
  font-size: 28px;
  font-weight: 900;
}

.hud-p1 .hud-score { color: #4fc3f7; }
.hud-p2 .hud-score { color: #f44336; }

.hud-timer {
  font-size: 22px;
  font-weight: 700;
  color: #f5af19;
}

#game-canvas {
  border: 2px solid #0f3460;
  border-top: none;
  border-radius: 0 0 8px 8px;
  display: block;
  background: #0d1b2a;
}

/* Game canvas wrapper */
.game-canvas-wrap {
  position: relative;
}

/* Touch controls - overlay on canvas */
.touch-controls {
  display: none;
  position: absolute;
  bottom: 10px;
  left: 0;
  right: 0;
  padding: 0 12px;
  justify-content: space-between;
  pointer-events: none;
  z-index: 10;
}

.touch-left, .touch-right {
  display: flex;
  gap: 10px;
  pointer-events: auto;
}

.touch-btn {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.3);
  background: rgba(0,0,0,0.35);
  color: rgba(255,255,255,0.7);
  font-size: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  user-select: none;
  -webkit-user-select: none;
  transition: background 0.1s;
}

.touch-btn:active, .touch-btn.active {
  background: rgba(255,255,255,0.25);
  border-color: rgba(255,255,255,0.6);
}

.touch-btn-kick {
  font-size: 24px;
}

/* Mobile touch devices (class added by JS) */
.is-mobile .touch-controls {
  display: flex;
}

.is-mobile #screen-game {
  flex-direction: column;
  justify-content: flex-start;
  padding: 0;
  overflow: hidden;
}

.is-mobile .game-hud {
  width: 100%;
  border-radius: 0;
  padding: 2px 10px;
  flex-shrink: 0;
  font-size: 12px;
}

.is-mobile .game-hud .hud-score { font-size: 20px; }
.is-mobile .game-hud .hud-timer { font-size: 18px; }
.is-mobile .game-hud .hud-name { font-size: 11px; }

.is-mobile .game-canvas-wrap {
  flex: 1;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: visible;
  min-height: 0;
}

.is-mobile #game-canvas {
  display: block;
  border: none;
  border-radius: 0;
}

.is-mobile .touch-controls {
  bottom: 8px;
  left: 50%;
  right: auto;
  transform: translateX(-50%);
  padding: 0 10px;
}

/* PWA install gate */
.pwa-gate {
  position: fixed;
  inset: 0;
  background: #1a1a2e;
  z-index: 10000;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.pwa-gate-content {
  max-width: 320px;
  padding: 20px;
}

.pwa-gate-icon {
  font-size: 64px;
  margin: 20px 0;
}

.pwa-gate-msg {
  color: #ccc;
  font-size: 15px;
  line-height: 1.6;
  margin-bottom: 24px;
}

.pwa-gate-btn {
  width: 100%;
  margin-bottom: 16px;
}

.pwa-gate-ios {
  color: #888;
  font-size: 13px;
  line-height: 1.6;
}

.pwa-gate-ios strong {
  color: #f5af19;
}

/* Landscape hint overlay */
.rotate-hint {
  display: none;
  position: fixed;
  inset: 0;
  background: #1a1a2e;
  z-index: 9999;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  gap: 16px;
  color: #eee;
  font-size: 18px;
}

.rotate-hint-icon {
  font-size: 48px;
  animation: rotate-phone 1.5s ease-in-out infinite;
}

@keyframes rotate-phone {
  0%, 100% { transform: rotate(0deg); }
  50% { transform: rotate(90deg); }
}

/* Show rotate hint on portrait mobile */
@media (orientation: portrait) {
  .is-mobile .rotate-hint {
    display: flex;
  }
}

/* Overlays */
.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  background: rgba(0, 0, 0, 0.6);
  z-index: 100;
}

.countdown-number {
  font-size: 120px;
  font-weight: 900;
  color: #f5af19;
  text-shadow: 0 0 40px rgba(245, 175, 25, 0.5);
  animation: pulse 0.5s ease-out;
}

@keyframes pulse {
  0% { transform: scale(2); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}

.goal-text {
  font-size: 80px;
  font-weight: 900;
  color: #fff;
  text-shadow: 0 0 40px rgba(255, 255, 255, 0.5);
  animation: goalPulse 0.6s ease-out;
}

@keyframes goalPulse {
  0% { transform: scale(0.3); opacity: 0; }
  50% { transform: scale(1.2); }
  100% { transform: scale(1); opacity: 1; }
}

/* Result */
.result-container {
  text-align: center;
  max-width: 400px;
}

.result-title {
  font-size: 36px;
  font-weight: 900;
  margin-bottom: 30px;
  color: #f5af19;
}

.result-scores {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 30px;
  margin-bottom: 16px;
}

.result-player {
  text-align: center;
}

.result-name {
  font-size: 16px;
  color: #aaa;
  margin-bottom: 8px;
}

.result-score-big {
  font-size: 64px;
  font-weight: 900;
}

.result-player:first-child .result-score-big { color: #4fc3f7; }
.result-player:last-child .result-score-big { color: #f44336; }

.result-vs {
  font-size: 40px;
  font-weight: 700;
  color: #555;
}

.result-winner {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 24px;
  min-height: 30px;
}

.rematch-status {
  margin-top: 12px;
  color: #f5af19;
  font-size: 14px;
}

/* Disconnect */
.disconnect-msg {
  text-align: center;
  background: #16213e;
  padding: 40px;
  border-radius: 12px;
  border: 2px solid #f12711;
}

.disconnect-msg h2 {
  margin-bottom: 20px;
}