/**
 * Cyber Snake
 * Author: Saad Alm El dien
 * License: MIT
 */

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

:root {
  --bg: #080d19;
  --bg-elevated: #0f172a;
  --bg-card: rgba(15, 23, 42, 0.85);
  --fg: #f8fafc;
  --fg-muted: #94a3b8;
  --fg-subtle: #64748b;
  --accent: #22d3ee;
  --accent-strong: #06b6d4;
  --accent-glow: rgba(34, 211, 238, 0.45);
  --success: #22c55e;
  --success-glow: rgba(34, 197, 94, 0.35);
  --warning: #fbbf24;
  --warning-glow: rgba(251, 191, 36, 0.35);
  --danger: #ef4444;
  --danger-glow: rgba(239, 68, 68, 0.4);
  --purple: #a855f7;
  --purple-glow: rgba(168, 85, 247, 0.4);

  --border: rgba(51, 65, 85, 0.7);
  --border-light: rgba(71, 85, 105, 0.9);
  --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.3);
  --shadow: 0 12px 36px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 24px 60px rgba(0, 0, 0, 0.65);

  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  --transition: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-spring: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);

  --font-mono: 'JetBrains Mono', 'Fira Code', 'SF Mono', monospace;
  --font-ui: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Space Grotesk', system-ui, sans-serif;
}

/* Themes */
body[data-theme="viper"] {
  --bg: #04140d;
  --bg-elevated: #082419;
  --bg-card: rgba(8, 36, 25, 0.88);
  --accent: #10b981;
  --accent-strong: #059669;
  --accent-glow: rgba(16, 185, 129, 0.45);
  --warning: #eab308;
  --border: rgba(16, 185, 129, 0.25);
  --border-light: rgba(52, 211, 153, 0.4);
}

/* Synthwave 80s */
body[data-theme="synthwave"] {
  --bg: #110724;
  --bg-elevated: #1e0f3d;
  --bg-card: rgba(30, 15, 61, 0.88);
  --accent: #f43f5e;
  --accent-strong: #e11d48;
  --accent-glow: rgba(244, 63, 94, 0.5);
  --warning: #facc15;
  --border: rgba(244, 63, 94, 0.28);
  --border-light: rgba(192, 132, 252, 0.45);
}

/* Solar Gold */
body[data-theme="gold"] {
  --bg: #140d04;
  --bg-elevated: #241808;
  --bg-card: rgba(36, 24, 8, 0.88);
  --accent: #f59e0b;
  --accent-strong: #d97706;
  --accent-glow: rgba(245, 158, 11, 0.5);
  --warning: #fbbf24;
  --border: rgba(245, 158, 11, 0.28);
  --border-light: rgba(251, 191, 36, 0.45);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Layout & Background */

html, body {
  min-height: 100%;
}

body {
  font-family: var(--font-ui);
  background: var(--bg);
  color: var(--fg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(0.75rem, 2vh, 1.5rem);
  line-height: 1.5;
  overflow-x: hidden;
  user-select: none;
  -webkit-user-select: none;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle 800px at 50% -10%, var(--accent-glow) 0%, transparent 60%),
    radial-gradient(circle 600px at 90% 90%, var(--success-glow) 0%, transparent 60%),
    radial-gradient(circle 500px at 10% 70%, var(--danger-glow) 0%, transparent 50%);
  pointer-events: none;
  z-index: -1;
  opacity: 0.7;
  animation: ambientShift 18s ease-in-out infinite alternate;
}

@keyframes ambientShift {
  0% { transform: scale(1) translate(0, 0); }
  100% { transform: scale(1.08) translate(-1.5%, 1.5%); }
}

/* Background floating particles */
.particles {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  overflow: hidden;
}

.particle {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  animation: floatUp 16s linear infinite;
}

@keyframes floatUp {
  0% { transform: translateY(105vh) scale(0); opacity: 0; }
  15% { opacity: 0.4; }
  85% { opacity: 0.4; }
  100% { transform: translateY(-10vh) scale(1.2); opacity: 0; }
}

/* Container */
.game-container {
  width: 100%;
  max-width: 530px;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  position: relative;
  z-index: 1;
}

/* Header */

.game-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 0.25rem;
}

.title-wrap {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.game-title {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 4vw, 1.85rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, #ffffff 0%, var(--accent) 70%, var(--accent-strong) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 2px 12px var(--accent-glow));
}

.game-version-badge {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #040810;
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-xs);
  text-shadow: none;
  box-shadow: 0 0 10px var(--accent-glow);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.icon-btn {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--fg);
  font-size: 0.95rem;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  backdrop-filter: blur(8px);
  transition: all var(--transition);
}

.icon-btn:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
  box-shadow: 0 0 12px var(--accent-glow);
}

.icon-btn:active {
  transform: scale(0.94);
}

.icon-btn.active {
  border-color: var(--accent);
  background: rgba(34, 211, 238, 0.15);
  box-shadow: 0 0 10px var(--accent-glow);
}

/* Theme picker dropdown */
.theme-picker-wrap {
  position: relative;
}

.theme-dropdown {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  background: var(--bg-elevated);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 0.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
  z-index: 100;
  min-width: 140px;
  animation: dropdownIn 0.2s var(--transition-spring);
}

.theme-dropdown.hidden {
  display: none;
}

@keyframes dropdownIn {
  from { opacity: 0; transform: translateY(-8px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.theme-opt {
  background: transparent;
  border: none;
  color: var(--fg);
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.45rem 0.75rem;
  border-radius: var(--radius-xs);
  cursor: pointer;
  text-align: left;
  transition: all var(--transition);
}

.theme-opt:hover {
  background: rgba(255, 255, 255, 0.08);
}

.theme-opt.active {
  background: var(--accent-glow);
  color: var(--accent);
}

/* Game Modes */

.mode-selector {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.35rem;
  background: rgba(15, 23, 42, 0.6);
  padding: 0.25rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  backdrop-filter: blur(10px);
}

.mode-tab {
  background: transparent;
  border: 1px solid transparent;
  color: var(--fg-muted);
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.4rem 0.25rem;
  border-radius: calc(var(--radius-sm) - 3px);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.3rem;
  transition: all var(--transition);
  white-space: nowrap;
}

.mode-tab:hover {
  color: var(--fg);
  background: rgba(255, 255, 255, 0.05);
}

.mode-tab.active {
  background: var(--bg-card);
  color: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 14px var(--accent-glow), inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.mode-icon {
  font-size: 0.85rem;
}

/* Stats */

.stats-dashboard {
  display: flex;
  gap: 0.5rem;
  justify-content: space-between;
}

.stat-card {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 0.4rem 0.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  font-family: var(--font-mono);
  transition: transform var(--transition), border-color var(--transition);
  min-height: 52px;
}

.stat-card:hover {
  border-color: var(--border-light);
  transform: translateY(-1px);
}

.stat-label {
  font-size: 0.55rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--fg-subtle);
}

.stat-value {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--fg);
  line-height: 1.1;
  text-shadow: 0 0 12px var(--accent-glow);
}

.stat-value.highlight {
  color: var(--accent);
  animation: pulseStat 0.4s ease-out;
}

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

/* Combo Card */
.combo-card {
  border-color: rgba(251, 191, 36, 0.3);
  position: relative;
  overflow: hidden;
}

.combo-val-wrap {
  display: flex;
  align-items: center;
  gap: 0.2rem;
}

.combo-val-wrap .stat-value {
  color: var(--warning);
  text-shadow: 0 0 14px var(--warning-glow);
}

.combo-fire {
  font-size: 0.85rem;
  animation: flicker 1s infinite alternate;
}

@keyframes flicker {
  0% { transform: scale(0.9) rotate(-4deg); opacity: 0.8; }
  100% { transform: scale(1.15) rotate(4deg); opacity: 1; }
}

/* Timer Card (Time Attack) */
.timer-card {
  border-color: rgba(239, 68, 68, 0.4);
}

.timer-card.hidden {
  display: none;
}

.timer-val {
  color: var(--danger);
  text-shadow: 0 0 12px var(--danger-glow);
}

/* Power-Up HUD */

.powerup-hud {
  display: flex;
  gap: 0.4rem;
  min-height: 28px;
  align-items: center;
  flex-wrap: wrap;
}

.powerup-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  padding: 0.2rem 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--fg);
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
  animation: badgeIn 0.25s var(--transition-spring);
}

@keyframes badgeIn {
  from { opacity: 0; transform: scale(0.8); }
  to { opacity: 1; transform: scale(1); }
}

.powerup-badge.ghost {
  border-color: var(--purple);
  box-shadow: 0 0 10px var(--purple-glow);
  color: #d8b4fe;
}

.powerup-badge.frost {
  border-color: #38bdf8;
  box-shadow: 0 0 10px rgba(56, 189, 248, 0.4);
  color: #7dd3fc;
}

.powerup-badge.magnet {
  border-color: var(--success);
  box-shadow: 0 0 10px var(--success-glow);
  color: #86efac;
}

.powerup-badge.speed {
  border-color: var(--warning);
  box-shadow: 0 0 10px var(--warning-glow);
  color: #fde047;
}

.powerup-time {
  opacity: 0.8;
  font-size: 0.6rem;
}

/* Game Board */

.game-main {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow:
    var(--shadow-lg),
    0 0 0 1px var(--border),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
  background: var(--bg-elevated);
  aspect-ratio: 1;
  isolation: isolate;
}

.game-main::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: calc(var(--radius-lg) + 2px);
  background: linear-gradient(135deg, var(--accent), var(--success), var(--purple), var(--accent));
  opacity: 0;
  z-index: -1;
  filter: blur(20px);
  transition: opacity var(--transition);
}

.game-main.glow::before {
  opacity: 0.55;
  animation: borderGlow 2.5s ease-in-out infinite;
}

@keyframes borderGlow {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 0.7; }
}

#game-canvas {
  display: block;
  width: 100%;
  height: 100%;
  touch-action: none;
}

/* Screen shake */
.game-main.shake {
  animation: shake 0.35s cubic-bezier(0.36, 0.07, 0.19, 0.97) both;
}

@keyframes shake {
  10%, 90% { transform: translate3d(-3px, 0, 0); }
  20%, 80% { transform: translate3d(5px, 0, 0); }
  30%, 50%, 70% { transform: translate3d(-7px, 0, 0); }
  40%, 60% { transform: translate3d(7px, 0, 0); }
}

/* Combo meter */
.combo-meter-container {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.combo-meter-container.active {
  opacity: 1;
}

.combo-meter-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--warning), var(--danger));
  box-shadow: 0 0 8px var(--warning-glow);
  transition: width 0.05s linear;
}

/* Boost meter */
.boost-meter-bar-wrap {
  position: relative;
  width: 100%;
  height: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  display: flex;
  align-items: center;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(8px);
}

.boost-meter-fill {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, var(--accent-strong), var(--accent));
  box-shadow: 0 0 10px var(--accent-glow);
  transition: width 0.08s ease-out;
}

.boost-meter-bar-wrap.boosting .boost-meter-fill {
  background: linear-gradient(90deg, #f59e0b, #ef4444);
  box-shadow: 0 0 12px rgba(239, 68, 68, 0.7);
}

.boost-label {
  position: relative;
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 0.55rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #ffffff;
  padding-left: 0.5rem;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.8);
  pointer-events: none;
}

/* Modals */

.overlay {
  position: absolute;
  inset: 0;
  background: rgba(8, 13, 25, 0.96);
  backdrop-filter: blur(16px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  padding: 0.75rem 1rem;
  z-index: 30;
  animation: overlayIn 0.3s var(--transition-spring);
}

.overlay.hidden {
  display: none;
}

@keyframes overlayIn {
  from { opacity: 0; backdrop-filter: blur(0); }
  to { opacity: 1; backdrop-filter: blur(16px); }
}

.overlay-content {
  text-align: center;
  max-width: 360px;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin: auto 0;
  padding: 0.25rem 0;
  animation: contentIn 0.4s var(--transition-spring) 0.05s both;
}

@keyframes contentIn {
  from { opacity: 0; transform: translateY(16px) scale(0.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.overlay-content h2 {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 4.5vw, 1.85rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 0.1rem;
  background: linear-gradient(135deg, var(--fg) 0%, var(--fg-muted) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.overlay-content h2.game-over-title {
  background: linear-gradient(135deg, var(--danger) 0%, #fb923c 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 0 15px var(--danger-glow));
}

.overlay-subtitle {
  font-size: 0.8rem;
  color: var(--fg-muted);
  font-weight: 500;
  margin-top: -0.25rem;
}

/* Summary grid */
.stats-summary-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.35rem;
  text-align: left;
}

.summary-item {
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.35rem 0.55rem;
  display: flex;
  flex-direction: column;
}

.summary-item.main-stat {
  grid-column: span 2;
  background: rgba(34, 211, 238, 0.08);
  border-color: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow);
  align-items: center;
  text-align: center;
  padding: 0.4rem 0.6rem;
}

.summary-item.main-stat .summary-val {
  font-size: 1.45rem;
  color: var(--accent);
}

.summary-lbl {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  text-transform: uppercase;
  color: var(--fg-subtle);
  letter-spacing: 0.08em;
  font-weight: 600;
}

.summary-val {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--fg);
}

/* High score badge */
.high-score-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.25rem 0.75rem;
  background: linear-gradient(135deg, #fbbf24, #f59e0b);
  color: #1e1302;
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  box-shadow: 0 0 16px rgba(251, 191, 36, 0.4);
  animation: badgePop 0.4s var(--transition-spring) both;
}

.high-score-badge.hidden {
  display: none;
}

@keyframes badgePop {
  from { opacity: 0; transform: scale(0.6) rotate(-8deg); }
  to { opacity: 1; transform: scale(1) rotate(0); }
}

.modal-buttons {
  display: flex;
  gap: 0.4rem;
}

.modal-buttons .btn {
  flex: 1;
}

.controls-hint {
  font-size: 0.65rem;
  color: var(--fg-subtle);
  font-family: var(--font-mono);
}

/* Buttons */
.btn {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
  color: #040810;
  box-shadow: 0 4px 16px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--accent-glow);
}

.btn-primary:active {
  transform: scale(0.96);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--fg);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: var(--bg-elevated);
  border-color: var(--border-light);
  transform: translateY(-2px);
}

.btn-secondary:active {
  transform: scale(0.96);
}

/* Virtual Controls */

/* Control modes */
.desktop-only {
  display: inline-flex;
}

div.desktop-only, p.desktop-only {
  display: flex;
}

.mobile-only {
  display: none !important;
}

.virtual-controls {
  display: none;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0.25rem;
  gap: 1rem;
}

.virtual-controls.user-active {
  display: flex !important;
}

.dpad-grid {
  display: grid;
  grid-template-columns: repeat(3, 46px);
  grid-template-rows: repeat(3, 46px);
  gap: 4px;
}

.dpad-btn {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--fg);
  font-size: 1.1rem;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  touch-action: manipulation;
  transition: all 0.1s ease;
}

.dpad-btn:active, .dpad-btn.pressed {
  background: var(--accent);
  color: #040810;
  box-shadow: 0 0 14px var(--accent-glow);
  transform: scale(0.92);
}

.dpad-up { grid-column: 2; grid-row: 1; }
.dpad-left { grid-column: 1; grid-row: 2; }
.dpad-center {
  grid-column: 2;
  grid-row: 2;
  background: rgba(15, 23, 42, 0.4);
  border: 1px dashed var(--border);
  border-radius: 50%;
  pointer-events: none;
}
.dpad-right { grid-column: 3; grid-row: 2; }
.dpad-down { grid-column: 2; grid-row: 3; }

.action-buttons-wrap {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  flex: 1;
  max-width: 140px;
}

.action-btn {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--fg);
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.8rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  touch-action: manipulation;
  transition: all 0.1s ease;
}

.boost-action-btn {
  border-color: var(--accent);
  background: rgba(34, 211, 238, 0.12);
  color: var(--accent);
}

.boost-action-btn:active, .boost-action-btn.active {
  background: var(--accent);
  color: #040810;
  box-shadow: 0 0 18px var(--accent-glow);
  transform: scale(0.95);
}

.pause-action-btn {
  padding: 0.4rem 0.8rem;
}

/* Legend */

.powerup-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.65rem;
  justify-content: center;
  padding: 0.35rem 0.5rem;
  background: rgba(15, 23, 42, 0.45);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.65rem;
  color: var(--fg-muted);
  font-family: var(--font-mono);
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.legend-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  display: inline-block;
}

.dot-apple { background: #ef4444; box-shadow: 0 0 6px rgba(239, 68, 68, 0.6); }
.dot-gold { background: #facc15; box-shadow: 0 0 6px rgba(250, 204, 21, 0.7); }
.dot-ghost { background: #c084fc; box-shadow: 0 0 6px rgba(192, 132, 252, 0.7); }
.dot-frost { background: #38bdf8; box-shadow: 0 0 6px rgba(56, 189, 248, 0.7); }
.dot-magnet { background: #4ade80; box-shadow: 0 0 6px rgba(74, 222, 128, 0.7); }
.dot-speed { background: #fbbf24; box-shadow: 0 0 6px rgba(251, 191, 36, 0.7); }

/* Footer */

.game-footer {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.7rem;
  color: var(--fg-subtle);
  text-align: center;
}

.controls-info {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.35rem 0.65rem;
}

.control {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  padding: 0.2rem 0.5rem;
  font-size: 0.65rem;
}

.control kbd {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  padding: 0.1rem 0.3rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border-light);
  border-radius: 3px;
  color: var(--fg);
}

.touch-hint {
  font-size: 0.62rem;
  opacity: 0.6;
}

/* Responsive Controls */

@media (max-width: 768px), (pointer: coarse) {
  .desktop-only {
    display: none !important;
  }

  .mobile-only {
    display: inline-flex !important;
  }

  div.mobile-only, p.mobile-only {
    display: flex !important;
  }

  .virtual-controls {
    display: flex !important;
  }

  .controls-info.mobile-only {
    display: flex !important;
    flex-wrap: wrap;
    gap: 0.35rem 0.65rem;
    justify-content: center;
  }

  .controls-info.mobile-only .control {
    background: rgba(34, 211, 238, 0.08);
    border-color: var(--accent);
    color: var(--accent);
    font-weight: 600;
  }
}

@media (max-width: 480px) {
  body {
    padding: 0.4rem;
  }

  .game-container {
    gap: 0.5rem;
  }

  .game-title {
    font-size: 1.3rem;
  }

  .mode-tab {
    font-size: 0.65rem;
    padding: 0.35rem 0.15rem;
  }

  .stats-dashboard {
    gap: 0.3rem;
  }

  .stat-card {
    min-width: 0;
    min-height: 46px;
    padding: 0.25rem 0.35rem;
  }

  .stat-value {
    font-size: 0.95rem;
  }

  .stat-label {
    font-size: 0.48rem;
  }

  .dpad-grid {
    grid-template-columns: repeat(3, 44px);
    grid-template-rows: repeat(3, 44px);
    gap: 4px;
  }

  .dpad-btn {
    font-size: 1.15rem;
  }

  .boost-action-btn {
    padding: 0.65rem 0.75rem;
    font-size: 0.85rem;
  }

  .powerup-legend {
    font-size: 0.58rem;
    gap: 0.2rem 0.45rem;
  }

  .overlay {
    padding: 0.4rem 0.6rem;
  }

  .overlay-content {
    gap: 0.35rem;
  }

  .overlay-content h2 {
    font-size: 1.25rem;
    margin-bottom: 0;
  }

  .overlay-subtitle {
    font-size: 0.72rem;
    margin-top: -0.2rem;
  }

  .stats-summary-grid {
    gap: 0.2rem;
  }

  .summary-item {
    padding: 0.2rem 0.45rem;
  }

  .summary-item.main-stat {
    padding: 0.25rem 0.5rem;
  }

  .summary-item.main-stat .summary-val {
    font-size: 1.25rem;
  }

  .summary-val {
    font-size: 0.82rem;
  }

  .summary-lbl {
    font-size: 0.48rem;
  }

  .high-score-badge {
    padding: 0.2rem 0.6rem;
    font-size: 0.65rem;
  }

  .modal-buttons .btn {
    padding: 0.45rem 0.8rem;
    font-size: 0.8rem;
    min-height: 36px;
  }

  .controls-hint {
    font-size: 0.58rem;
  }
}