@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&family=Outfit:wght@300;400;600&display=swap');

:root {
  --primary-glow: #ff007f;
  --secondary-glow: #00f0ff;
  --bg-gradient: radial-gradient(circle at center, #1b0c36 0%, #050112 100%);
  --panel-bg: rgba(15, 6, 32, 0.7);
  --panel-border: rgba(255, 255, 255, 0.1);
  --font-title: 'Orbitron', sans-serif;
  --font-body: 'Outfit', sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  user-select: none;
  -webkit-user-select: none;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #050112;
  font-family: var(--font-body);
  color: #ffffff;
}

#canvas-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

/* Glassmorphism overlays */
.overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 10;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background: rgba(3, 1, 8, 0.4);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.overlay.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.panel {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 20px;
  padding: 40px;
  max-width: 480px;
  width: 90%;
  text-align: center;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6), 
              0 0 40px rgba(255, 0, 127, 0.15);
  animation: floatIn 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes floatIn {
  from {
    transform: translateY(30px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

h1 {
  font-family: var(--font-title);
  font-size: 3rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 10px;
  background: linear-gradient(135deg, #ff007f 0%, #ff7b00 50%, #00f0ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 15px rgba(255, 0, 127, 0.4));
}

.subtitle {
  font-family: var(--font-title);
  font-size: 1rem;
  letter-spacing: 4px;
  color: var(--secondary-glow);
  margin-bottom: 30px;
  text-transform: uppercase;
  text-shadow: 0 0 10px rgba(0, 240, 255, 0.3);
}

.btn {
  font-family: var(--font-title);
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  background: transparent;
  border: 2px solid var(--primary-glow);
  border-radius: 50px;
  padding: 14px 40px;
  cursor: pointer;
  outline: none;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  text-transform: uppercase;
  letter-spacing: 2px;
  box-shadow: 0 0 15px rgba(255, 0, 127, 0.2);
  margin-top: 15px;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: 0.5s;
}

.btn:hover::before {
  left: 100%;
}

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

.btn:active {
  transform: translateY(1px);
}

.btn-secondary {
  border-color: var(--secondary-glow);
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.2);
}

.btn-secondary:hover {
  background: var(--secondary-glow);
  color: #000;
  box-shadow: 0 0 25px var(--secondary-glow);
}

.instructions {
  margin: 25px 0;
  font-size: 0.95rem;
  color: #a097b8;
  line-height: 1.6;
}

.instructions span {
  color: #ffffff;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.1);
  padding: 2px 8px;
  border-radius: 4px;
  font-family: var(--font-title);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.menu-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.action-row {
  display: flex;
  gap: 15px;
  justify-content: center;
  width: 100%;
}

/* Settings Overlay */
.settings-panel {
  text-align: left;
}

.settings-panel h2 {
  font-family: var(--font-title);
  font-size: 1.8rem;
  margin-bottom: 25px;
  text-transform: uppercase;
  color: #fff;
  border-bottom: 1px solid var(--panel-border);
  padding-bottom: 10px;
}

.settings-option {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.settings-option label {
  font-size: 1rem;
  color: #d1c9e8;
  font-weight: 600;
}

.select-custom {
  background: rgba(15, 6, 32, 0.9);
  color: #fff;
  border: 1px solid var(--secondary-glow);
  padding: 8px 16px;
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  outline: none;
  cursor: pointer;
  transition: all 0.3s ease;
}

.select-custom:hover, .select-custom:focus {
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.4);
}

/* HUD elements (visible during play) */
#hud {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  padding: 25px 35px;
  z-index: 5;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  pointer-events: none;
  font-family: var(--font-title);
}

#hud * {
  pointer-events: auto;
}

.hud-panel {
  background: rgba(10, 4, 24, 0.55);
  border: 1px solid var(--panel-border);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  padding: 10px 20px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.score-display {
  font-size: 2.2rem;
  font-weight: 900;
  color: #fff;
  text-shadow: 0 0 15px rgba(255, 255, 255, 0.3);
}

.score-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--secondary-glow);
  letter-spacing: 2px;
}

.camera-controls {
  display: flex;
  gap: 8px;
}

.cam-btn {
  background: rgba(10, 4, 24, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #aaa;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  font-size: 0.85rem;
  font-weight: 700;
}

.cam-btn:hover {
  color: #fff;
  border-color: var(--secondary-glow);
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.3);
}

.cam-btn.active {
  color: #000;
  background: var(--secondary-glow);
  border-color: var(--secondary-glow);
  box-shadow: 0 0 15px var(--secondary-glow);
}

/* Volume/Audio Controls on HUD */
.audio-hud-btn {
  background: rgba(10, 4, 24, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #aaa;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  font-size: 1.2rem;
}

.audio-hud-btn:hover {
  color: #fff;
  border-color: var(--primary-glow);
  box-shadow: 0 0 10px rgba(255, 0, 127, 0.3);
}

.audio-hud-btn.muted {
  border-color: rgba(255, 255, 255, 0.1);
  color: #555;
}

/* Game Over panel custom elements */
.game-over-panel {
  border-color: var(--primary-glow);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6), 
              0 0 40px rgba(255, 0, 127, 0.25);
}

.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
  margin: 25px 0;
}

.stat-box {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  padding: 15px;
}

.stat-value {
  font-family: var(--font-title);
  font-size: 1.8rem;
  font-weight: 700;
  color: #fff;
  margin-top: 5px;
}

.stat-title {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: #a097b8;
  letter-spacing: 1px;
}

.new-highscore {
  color: #ffea00;
  font-size: 0.75rem;
  font-weight: 700;
  margin-top: 5px;
  text-transform: uppercase;
  animation: flash 1s ease infinite alternate;
  letter-spacing: 1px;
}

@keyframes flash {
  from { opacity: 0.4; text-shadow: none; }
  to { opacity: 1; text-shadow: 0 0 8px rgba(255, 234, 0, 0.6); }
}

/* Quality adjustment details */
.quality-notice {
  font-size: 0.75rem;
  color: #6a6184;
  margin-top: 5px;
  display: block;
}

/* Score animation effects */
.score-bump {
  animation: scoreBump 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes scoreBump {
  0% { transform: scale(1); }
  50% { transform: scale(1.25); color: var(--secondary-glow); }
  100% { transform: scale(1); }
}

/* Loading screen */
#loader {
  background: #050112;
  z-index: 100;
}

.spinner {
  width: 50px;
  height: 50px;
  border: 3px solid rgba(255, 0, 127, 0.2);
  border-top-color: var(--primary-glow);
  border-radius: 50%;
  animation: spin 1s infinite linear;
  margin-bottom: 20px;
}

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

.loader-text {
  font-family: var(--font-title);
  color: #a097b8;
  letter-spacing: 2px;
  font-size: 0.9rem;
}