/* ============================================
   PAC-MAN - Enterprise Grade Stylesheet
   ============================================ */

/* === RESET & BASE === */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --color-bg: #000000;
  --color-bg-dark: #0a0a0a;
  --color-primary: #ffff00;
  --color-secondary: #00ffff;
  --color-text: #ffffff;
  --color-text-dim: #888888;
  --color-wall: #2121de;
  --color-wall-glow: #4444ff;
  --color-dot: #ffb897;
  --color-blinky: #ff0000;
  --color-pinky: #ffb8ff;
  --color-inky: #00ffff;
  --color-clyde: #ffb852;
  --color-frightened: #2121de;
  --color-menu-bg: rgba(0, 0, 0, 0.95);
  --color-overlay: rgba(0, 0, 0, 0.85);
  --color-btn-bg: #1a1a2e;
  --color-btn-hover: #2a2a4e;
  --color-btn-active: #3a3a5e;
  --color-accent: #e94560;
  --font-main: 'Press Start 2P', 'Courier New', monospace;
  --font-ui: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

@font-face {
  font-family: 'Press Start 2P';
  src: url('https://fonts.gstatic.com/s/pressstart2p/v15/e3t4euO8T-267oIAQAu6jDQyK3nVivM.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-main);
  -webkit-user-select: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

/* === SCREENS === */
.screen {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1;
  overflow-y: auto;
}

.screen.active {
  display: flex;
  align-items: center;
  justify-content: center;
}

/* === LOADING === */
.loading {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--color-bg);
  font-size: 14px;
  color: var(--color-primary);
  transition: opacity 0.5s;
}

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

.loading-dots span {
  animation: loadBlink 1s infinite;
  font-size: 24px;
}
.loading-dots span:nth-child(2) { animation-delay: 0.2s; }
.loading-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes loadBlink {
  0%, 100% { opacity: 0.2; }
  50% { opacity: 1; }
}

/* === MAIN MENU === */
.menu-container {
  text-align: center;
  padding: 20px;
  max-width: 500px;
  width: 100%;
}

.game-logo {
  margin-bottom: 40px;
}

.logo-pacman {
  width: 80px;
  height: 80px;
  background: var(--color-primary);
  border-radius: 50%;
  margin: 0 auto 20px;
  position: relative;
  animation: chomp 0.4s infinite;
}

@keyframes chomp {
  0%, 100% {
    clip-path: polygon(100% 50%, 100% 0, 50% 0, 0 0, 0 50%, 0 100%, 50% 100%, 100% 100%);
  }
  50% {
    clip-path: polygon(100% 50%, 100% 15%, 50% 0, 0 0, 0 50%, 0 100%, 50% 100%, 100% 85%);
  }
}

.logo-title {
  font-size: 48px;
  color: var(--color-primary);
  text-shadow: 0 0 20px rgba(255, 255, 0, 0.5), 0 0 40px rgba(255, 255, 0, 0.3);
  letter-spacing: 6px;
  margin-bottom: 8px;
}

.logo-subtitle {
  font-size: 10px;
  color: var(--color-text-dim);
  letter-spacing: 4px;
}

/* === MENU NAVIGATION === */
.menu-nav {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 40px;
}

.menu-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 14px 24px;
  background: var(--color-btn-bg);
  border: 2px solid var(--color-wall);
  color: var(--color-text);
  font-family: var(--font-main);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.15s;
  letter-spacing: 2px;
  border-radius: 4px;
}

.menu-btn:hover, .menu-btn:focus {
  background: var(--color-btn-hover);
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: scale(1.02);
  outline: none;
}

.menu-btn:active {
  background: var(--color-btn-active);
  transform: scale(0.98);
}

.btn-icon {
  font-size: 16px;
}

/* === MENU FOOTER === */
.menu-footer {
  color: var(--color-text-dim);
  font-size: 9px;
}

.blink-text {
  animation: blink 1.2s infinite;
  color: var(--color-primary);
  font-size: 11px;
  margin-bottom: 8px;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.copyright {
  margin-top: 10px;
  font-size: 8px;
}

/* === GAME SCREEN === */
.game-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100vh;
  width: 100%;
  padding: 8px;
}

.game-hud {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  max-width: 560px;
  padding: 8px 4px;
  font-size: 10px;
}

.hud-left, .hud-right {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.hud-right {
  align-items: flex-end;
}

.hud-label {
  color: var(--color-text-dim);
  font-size: 8px;
  letter-spacing: 1px;
}

.hud-value {
  color: var(--color-text);
  font-size: 16px;
}

.hud-level {
  color: var(--color-primary);
  font-size: 12px;
  text-align: center;
}

.hud-lives {
  display: flex;
  gap: 4px;
}

.life-icon {
  width: 16px;
  height: 16px;
  background: var(--color-primary);
  border-radius: 50%;
  clip-path: polygon(100% 50%, 100% 15%, 50% 0, 0 0, 0 50%, 0 100%, 50% 100%, 100% 85%);
}

.hud-fruits {
  display: flex;
  gap: 4px;
  font-size: 14px;
}

/* === CANVAS === */
.canvas-container {
  position: relative;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  max-height: calc(100vh - 120px);
}

#game-canvas {
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  background: var(--color-bg);
}

/* === GAME BOTTOM BAR === */
.game-bottom-bar {
  display: flex;
  gap: 12px;
  padding: 8px;
}

.game-control-btn {
  width: 40px;
  height: 40px;
  background: var(--color-btn-bg);
  border: 1px solid var(--color-wall);
  color: var(--color-text);
  font-size: 16px;
  cursor: pointer;
  border-radius: 4px;
  transition: all 0.15s;
}

.game-control-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* === OVERLAYS === */
.overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 100;
  background: var(--color-overlay);
  align-items: center;
  justify-content: center;
}

.overlay.active {
  display: flex;
}

.overlay-box {
  background: var(--color-bg-dark);
  border: 3px solid var(--color-wall);
  padding: 30px;
  text-align: center;
  max-width: 400px;
  width: 90%;
  border-radius: 8px;
  box-shadow: 0 0 30px rgba(33, 33, 222, 0.3);
}

.overlay-box h2 {
  color: var(--color-primary);
  font-size: 24px;
  margin-bottom: 20px;
  letter-spacing: 4px;
}

.overlay-nav {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* === GAME OVER === */
.gameover-title {
  color: var(--color-accent) !important;
  text-shadow: 0 0 20px rgba(233, 69, 96, 0.5);
}

.gameover-stats {
  margin-bottom: 20px;
}

.stat-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 12px;
  border-bottom: 1px solid #222;
  font-size: 10px;
}

.stat-value {
  color: var(--color-primary);
  font-size: 12px;
}

.new-high-score {
  margin-bottom: 20px;
  padding: 15px;
  border: 2px solid var(--color-primary);
  border-radius: 4px;
}

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

.name-input {
  display: block;
  width: 100%;
  margin-top: 10px;
  padding: 10px;
  background: var(--color-btn-bg);
  border: 2px solid var(--color-wall);
  color: var(--color-primary);
  font-family: var(--font-main);
  font-size: 14px;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 3px;
  outline: none;
  border-radius: 4px;
}

.name-input:focus {
  border-color: var(--color-primary);
}

/* === LEVEL COMPLETE === */
.level-complete-title {
  color: #00ff00 !important;
  text-shadow: 0 0 20px rgba(0, 255, 0, 0.5);
}

.level-complete-stats {
  margin-bottom: 20px;
}

/* === HIGH SCORES PANEL === */
.panel-container {
  width: 100%;
  max-width: 600px;
  padding: 30px 20px;
  text-align: center;
}

.panel-title {
  font-size: 24px;
  color: var(--color-primary);
  margin-bottom: 30px;
  letter-spacing: 4px;
}

.scores-table-wrapper {
  margin-bottom: 30px;
  overflow-y: auto;
  max-height: 60vh;
}

.scores-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 11px;
}

.scores-table th {
  color: var(--color-secondary);
  padding: 10px 8px;
  border-bottom: 2px solid var(--color-wall);
  font-size: 10px;
  letter-spacing: 2px;
}

.scores-table td {
  padding: 8px;
  border-bottom: 1px solid #222;
}

.scores-table tr:nth-child(1) td { color: #ffd700; }
.scores-table tr:nth-child(2) td { color: #c0c0c0; }
.scores-table tr:nth-child(3) td { color: #cd7f32; }

.panel-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 20px;
}

/* === SETTINGS === */
.settings-grid {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 30px;
  text-align: left;
}

.setting-group {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 12px;
  background: var(--color-btn-bg);
  border: 1px solid #222;
  border-radius: 4px;
}

.setting-label {
  font-size: 10px;
  letter-spacing: 1px;
  color: var(--color-text-dim);
}

.setting-control {
  display: flex;
  align-items: center;
  gap: 8px;
}

.toggle-btn {
  padding: 6px 16px;
  background: #331111;
  border: 2px solid #662222;
  color: #ff4444;
  font-family: var(--font-main);
  font-size: 10px;
  cursor: pointer;
  border-radius: 4px;
  transition: all 0.15s;
  min-width: 60px;
}

.toggle-btn.active {
  background: #113311;
  border-color: #226622;
  color: #44ff44;
}

.volume-slider {
  width: 120px;
  height: 6px;
  -webkit-appearance: none;
  appearance: none;
  background: #333;
  border-radius: 3px;
  outline: none;
}

.volume-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  background: var(--color-primary);
  border-radius: 50%;
  cursor: pointer;
}

.volume-slider::-moz-range-thumb {
  width: 16px;
  height: 16px;
  background: var(--color-primary);
  border-radius: 50%;
  cursor: pointer;
  border: none;
}

.volume-display {
  font-size: 10px;
  color: var(--color-text-dim);
  min-width: 35px;
  text-align: right;
}

.radio-group {
  display: flex;
  gap: 4px;
}

.radio-btn {
  padding: 6px 12px;
  background: var(--color-bg);
  border: 1px solid #333;
  color: var(--color-text-dim);
  font-family: var(--font-main);
  font-size: 9px;
  cursor: pointer;
  transition: all 0.15s;
  border-radius: 3px;
}

.radio-btn.active {
  background: var(--color-wall);
  border-color: var(--color-wall-glow);
  color: var(--color-text);
}

.radio-btn:hover {
  border-color: var(--color-wall-glow);
}

/* === CONTROLS SCREEN === */
.controls-layout {
  display: flex;
  flex-direction: column;
  gap: 30px;
  margin-bottom: 30px;
}

.control-section h3 {
  font-size: 12px;
  color: var(--color-secondary);
  margin-bottom: 16px;
  letter-spacing: 2px;
}

.key-grid {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.key-row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}

.key-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 10px;
  color: var(--color-text-dim);
}

kbd {
  display: inline-block;
  padding: 4px 8px;
  background: var(--color-btn-bg);
  border: 1px solid #444;
  border-radius: 3px;
  font-family: var(--font-main);
  font-size: 11px;
  color: var(--color-text);
  min-width: 28px;
  text-align: center;
}

.key-desc {
  color: var(--color-text-dim);
  font-size: 9px;
  margin-left: 4px;
}

.touch-info {
  text-align: center;
}

.touch-diagram {
  display: grid;
  grid-template-columns: 50px 50px 50px;
  grid-template-rows: 50px 50px 50px;
  gap: 4px;
  justify-content: center;
  margin: 0 auto 16px;
}

.touch-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-btn-bg);
  border: 1px solid #444;
  border-radius: 4px;
  font-size: 18px;
  color: var(--color-text);
}

.touch-arrow.up { grid-column: 2; grid-row: 1; }
.touch-arrow.left { grid-column: 1; grid-row: 2; }
.touch-arrow.right { grid-column: 3; grid-row: 2; }
.touch-arrow.down { grid-column: 2; grid-row: 3; }

.touch-center {
  grid-column: 2;
  grid-row: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 8px;
  color: var(--color-primary);
  background: var(--color-btn-bg);
  border: 1px solid var(--color-wall);
  border-radius: 4px;
}

.touch-info p {
  font-size: 9px;
  color: var(--color-text-dim);
  line-height: 1.6;
}

/* === ABOUT SCREEN === */
.about-content {
  text-align: left;
  margin-bottom: 30px;
}

.about-section {
  margin-bottom: 24px;
}

.about-section h3 {
  font-size: 12px;
  color: var(--color-secondary);
  margin-bottom: 12px;
  letter-spacing: 2px;
}

.about-section p {
  font-size: 9px;
  color: var(--color-text-dim);
  line-height: 1.8;
}

.ghost-info-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.ghost-info-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px;
  background: var(--color-btn-bg);
  border-radius: 4px;
  border: 1px solid #222;
}

.ghost-preview {
  width: 28px;
  height: 28px;
  border-radius: 50% 50% 0 0;
  flex-shrink: 0;
}

.ghost-preview.blinky { background: var(--color-blinky); }
.ghost-preview.pinky { background: var(--color-pinky); }
.ghost-preview.inky { background: var(--color-inky); }
.ghost-preview.clyde { background: var(--color-clyde); }

.ghost-details {
  font-size: 9px;
}

.ghost-details strong {
  color: var(--color-text);
  letter-spacing: 1px;
}

.ghost-details p {
  margin-top: 4px;
  color: var(--color-text-dim);
  line-height: 1.5;
}

.scoring-table {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.score-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 9px;
  color: var(--color-text-dim);
  padding: 6px;
  background: var(--color-btn-bg);
  border-radius: 4px;
}

.dot-small {
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--color-dot);
  border-radius: 50%;
}

.dot-big {
  display: inline-block;
  width: 12px;
  height: 12px;
  background: var(--color-dot);
  border-radius: 50%;
  animation: blink 0.5s infinite;
}

/* === TOUCH CONTROLS (MOBILE) === */
.touch-controls {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 50;
  display: grid;
  grid-template-columns: 60px 60px 60px;
  grid-template-rows: 60px 60px 60px;
  gap: 6px;
}

.touch-controls.hidden {
  display: none;
}

.touch-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(33, 33, 222, 0.3);
  border: 2px solid rgba(33, 33, 222, 0.5);
  color: white;
  font-size: 24px;
  border-radius: 8px;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.touch-btn:active {
  background: rgba(33, 33, 222, 0.6);
}

.touch-up { grid-column: 2; grid-row: 1; }
.touch-left { grid-column: 1; grid-row: 2; }
.touch-right { grid-column: 3; grid-row: 2; }
.touch-down { grid-column: 2; grid-row: 3; }

/* === RESPONSIVE === */
@media (max-width: 480px) {
  .logo-title {
    font-size: 32px;
  }

  .logo-subtitle {
    font-size: 8px;
  }

  .menu-btn {
    padding: 12px 16px;
    font-size: 11px;
  }

  .overlay-box {
    padding: 20px;
  }

  .overlay-box h2 {
    font-size: 18px;
  }

  .panel-title {
    font-size: 18px;
  }

  .hud-value {
    font-size: 12px;
  }

  .scoring-table {
    grid-template-columns: 1fr;
  }

  .game-hud {
    font-size: 8px;
    padding: 4px;
  }

  .setting-group {
    flex-direction: column;
    gap: 8px;
    align-items: flex-start;
  }
}

@media (min-width: 768px) {
  .controls-layout {
    flex-direction: row;
  }

  .control-section {
    flex: 1;
  }
}

/* === UTILITY === */
.hidden {
  display: none !important;
}

/* === SCROLLBAR === */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
  background: var(--color-wall);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-wall-glow);
}