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

:root {
  --neon-pink: HSL(328, 100%, 54%);
  --neon-cyan: HSL(180, 100%, 50%);
  --neon-purple: HSL(272, 100%, 60%);
  --neon-yellow: HSL(45, 100%, 50%);
  
  --bg-darker: HSL(260, 45%, 4%);
  --bg-dark: HSL(260, 40%, 6%);
  --bg-panel: HSL(260, 30%, 10%, 0.7);
  --bg-card: HSL(260, 30%, 15%, 0.4);
  
  --text-primary: HSL(0, 0%, 95%);
  --text-secondary: HSL(260, 20%, 75%);
  --text-glow-pink: 0 0 10px var(--neon-pink), 0 0 20px rgba(255, 0, 127, 0.3);
  --text-glow-cyan: 0 0 10px var(--neon-cyan), 0 0 20px rgba(0, 240, 255, 0.3);
  
  --transition-smooth: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  --crt-flicker-anim: crt-flicker 0.15s infinite;
  --touch-target-min: 48px;
}

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

html {
  overflow-x: hidden;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--bg-darker);
  background-image: 
    radial-gradient(circle at 50% 30%, HSL(260, 50%, 12%) 0%, transparent 60%),
    linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.25) 50%), 
    linear-gradient(90deg, rgba(255, 0, 0, 0.06), rgba(0, 255, 0, 0.02), rgba(0, 0, 255, 0.06));
  background-size: 100% 100%, 100% 4px, 6px 100%;
  color: var(--text-primary);
  font-family: 'Montserrat', sans-serif;
  min-height: 100vh;
  min-height: 100dvh;
  overflow-x: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-darker);
}
::-webkit-scrollbar-thumb {
  background: var(--neon-purple);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--neon-pink);
}

/* CRT Screen Effect */
body::after {
  content: " ";
  display: block;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.2) 50%), linear-gradient(90deg, rgba(255, 0, 0, 0.03), rgba(0, 255, 0, 0.01), rgba(0, 0, 255, 0.03));
  z-index: 99999;
  background-size: 100% 3px, 3px 100%;
  pointer-events: none;
  opacity: 0.8;
}

.crt-scanlines {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    rgba(18, 16, 16, 0) 50%, 
    rgba(0, 0, 0, 0.3) 50%
  );
  background-size: 100% 4px;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.65;
}

@keyframes crt-flicker {
  0% { opacity: 0.985; }
  50% { opacity: 0.995; }
  100% { opacity: 0.985; }
}

.crt-bloom {
  animation: var(--crt-flicker-anim);
}

/* Typography & Neon Glowing Headings */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Orbitron', sans-serif;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.neon-pink-text {
  color: var(--neon-pink);
  text-shadow: var(--text-glow-pink);
}

.neon-cyan-text {
  color: var(--neon-cyan);
  text-shadow: var(--text-glow-cyan);
}

.neon-purple-text {
  color: var(--neon-purple);
  text-shadow: 0 0 10px var(--neon-purple);
}

.neon-yellow-text {
  color: var(--neon-yellow);
  text-shadow: 0 0 10px var(--neon-yellow);
}

/* Glassmorphism Panel styles */
.glass-panel {
  background: var(--bg-panel);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.4);
}

.glass-panel.neon-pink-border {
  border: 1px solid rgba(255, 0, 127, 0.3);
  box-shadow: 0 0 15px rgba(255, 0, 127, 0.15);
}

.glass-panel.neon-cyan-border {
  border: 1px solid rgba(0, 240, 255, 0.3);
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.15);
}

.glass-panel.neon-purple-border {
  border: 1px solid rgba(162, 0, 255, 0.3);
  box-shadow: 0 0 15px rgba(162, 0, 255, 0.15);
}

/* Layout / Arcade Wrapper */
#arcade-container {
  max-width: 1300px;
  width: 95%;
  margin: 20px auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
  flex-grow: 1;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 25px;
  flex-wrap: wrap;
  gap: 10px;
}

.logo-container h1 {
  font-size: 2.2rem;
  font-weight: 900;
  text-shadow: 0 0 8px var(--neon-cyan), 0 0 20px rgba(0, 240, 255, 0.5);
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-container h1 span {
  font-weight: 400;
  font-size: 1rem;
  padding: 3px 8px;
  border: 1px solid var(--neon-pink);
  border-radius: 4px;
  box-shadow: 0 0 5px var(--neon-pink);
  margin-left: 5px;
}

.system-status {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 0.9rem;
}

.volume-control {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-card);
  padding: 8px 15px;
  border-radius: 30px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.volume-control i {
  color: var(--neon-cyan);
  cursor: pointer;
  width: 20px;
  text-align: center;
  min-width: var(--touch-target-min);
  min-height: var(--touch-target-min);
  display: flex;
  align-items: center;
  justify-content: center;
}

.volume-control input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  background: rgba(255, 255, 255, 0.15);
  height: 4px;
  border-radius: 2px;
  width: 80px;
  outline: none;
}

.volume-control input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--neon-cyan);
  cursor: pointer;
  box-shadow: 0 0 8px var(--neon-cyan);
  transition: var(--transition-smooth);
}

.volume-control input[type="range"]::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--neon-cyan);
  cursor: pointer;
  box-shadow: 0 0 8px var(--neon-cyan);
  border: none;
}

.volume-control input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.3);
}

/* Dashboard View */
#dashboard-view {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 20px;
}

.games-selection {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.games-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.game-card {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 320px;
  transition: var(--transition-smooth);
  cursor: pointer;
}

.game-card:hover {
  transform: translateY(-8px);
}

.game-card.runner-card:hover {
  border-color: var(--neon-pink);
  box-shadow: 0 0 25px rgba(255, 0, 127, 0.3);
}

.game-card.breaker-card:hover {
  border-color: var(--neon-cyan);
  box-shadow: 0 0 25px rgba(0, 240, 255, 0.3);
}

.game-card.merge-card:hover {
  border-color: var(--neon-purple);
  box-shadow: 0 0 25px rgba(162, 0, 255, 0.3);
}

.game-card-banner {
  height: 140px;
  background-size: cover;
  background-position: center;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.game-card-banner::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 60%;
  background: linear-gradient(transparent, var(--bg-panel));
}

.runner-card .game-card-banner {
  background-image: radial-gradient(circle, rgba(255,0,127,0.15) 0%, rgba(0,0,0,0) 70%);
  border-bottom: 2px solid rgba(255, 0, 127, 0.15);
}
.breaker-card .game-card-banner {
  background-image: radial-gradient(circle, rgba(0,240,255,0.15) 0%, rgba(0,0,0,0) 70%);
  border-bottom: 2px solid rgba(0, 240, 255, 0.15);
}
.merge-card .game-card-banner {
  background-image: radial-gradient(circle, rgba(162,0,255,0.15) 0%, rgba(0,0,0,0) 70%);
  border-bottom: 2px solid rgba(162, 0, 255, 0.15);
}

.game-icon-frame {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  background: var(--bg-darker);
  border: 2px solid currentColor;
  box-shadow: 0 0 12px currentColor;
  z-index: 2;
}

.game-card-content {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.game-card-content h3 {
  font-size: 1.3rem;
  margin-bottom: 8px;
}

.game-card-content p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.4;
  margin-bottom: 15px;
  flex-grow: 1;
}

.game-card-stats {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 12px;
}

.game-card-stats .high-score {
  font-family: 'Orbitron', sans-serif;
  font-weight: bold;
}

.play-badge {
  padding: 5px 12px;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: bold;
  font-family: 'Orbitron', sans-serif;
  letter-spacing: 1px;
  text-transform: uppercase;
  border: 1px solid transparent;
  transition: var(--transition-smooth);
}

.runner-card .play-badge {
  border-color: var(--neon-pink);
  color: var(--neon-pink);
}
.runner-card:hover .play-badge {
  background: var(--neon-pink);
  color: #fff;
  box-shadow: 0 0 8px var(--neon-pink);
}

.breaker-card .play-badge {
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
}
.breaker-card:hover .play-badge {
  background: var(--neon-cyan);
  color: #fff;
  box-shadow: 0 0 8px var(--neon-cyan);
}

.merge-card .play-badge {
  border-color: var(--neon-purple);
  color: var(--neon-purple);
}
.merge-card:hover .play-badge {
  background: var(--neon-purple);
  color: #fff;
  box-shadow: 0 0 8px var(--neon-purple);
}

/* Sidebar stats */
.sidebar-panel {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.stats-panel, .achievements-panel {
  padding: 20px;
}

.stats-panel h3, .achievements-panel h3 {
  font-size: 1.1rem;
  margin-bottom: 15px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-bottom: 8px;
}

.stat-item {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  font-size: 0.9rem;
  flex-wrap: wrap;
  gap: 4px;
}

.stat-item span:first-child {
  color: var(--text-secondary);
}

.stat-item span:last-child {
  font-family: 'Orbitron', sans-serif;
  font-weight: 600;
}

.achievements-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-height: 280px;
  overflow-y: auto;
  padding-right: 5px;
}

.achievement-row {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-card);
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.03);
  transition: var(--transition-smooth);
}

.achievement-row.unlocked {
  border-color: rgba(0, 240, 255, 0.2);
  background: rgba(0, 240, 255, 0.03);
}

.achievement-icon {
  font-size: 1.4rem;
  opacity: 0.3;
  transition: var(--transition-smooth);
  width: 25px;
  text-align: center;
}

.achievement-row.unlocked .achievement-icon {
  opacity: 1;
  text-shadow: 0 0 8px currentColor;
}

.achievement-details {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.achievement-title {
  font-size: 0.85rem;
  font-weight: bold;
  opacity: 0.5;
}

.achievement-row.unlocked .achievement-title {
  opacity: 1;
}

.achievement-desc {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* Gameplay View */
#gameplay-view {
  display: none; /* Controlled by app.js state */
  grid-template-columns: 1fr 300px;
  gap: 20px;
  flex-grow: 1;
}

.canvas-container {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  position: relative;
  background: rgba(0, 0, 0, 0.75);
  border-radius: 12px;
  overflow: hidden;
  min-height: 300px;
}

.canvas-container canvas {
  width: 100%;
  height: 100%;
  max-width: 960px;
  max-height: 540px;
  display: block;
  object-fit: contain;
}

.hud-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 15px;
  font-family: 'Orbitron', sans-serif;
  z-index: 5;
}

.hud-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  width: 100%;
  gap: 10px;
}

.hud-top-controls {
  display: flex;
  gap: 8px;
  pointer-events: auto;
}

.hud-score-box {
  display: flex;
  flex-direction: column;
}

.hud-score-label {
  font-size: 0.7rem;
  color: var(--text-secondary);
}

.hud-score-val {
  font-size: 1.4rem;
  font-weight: 900;
  color: #fff;
  text-shadow: 0 0 5px rgba(255,255,255,0.5);
}

.hud-middle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  flex-grow: 1;
}

.overlay-panel {
  pointer-events: auto;
  text-align: center;
  padding: 25px 30px;
  border-radius: 12px;
  max-width: 420px;
  width: 92%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  animation: scale-up 0.3s cubic-bezier(0.18, 0.89, 0.32, 1.28);
}

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

.overlay-panel h2 {
  font-size: 1.8rem;
  font-weight: 900;
}

.overlay-panel p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.overlay-buttons {
  display: flex;
  gap: 12px;
  width: 100%;
  margin-top: 10px;
}

.btn-arcade {
  flex: 1;
  padding: 12px 20px;
  font-family: 'Orbitron', sans-serif;
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition-smooth);
  min-height: var(--touch-target-min);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.btn-arcade.primary {
  background: var(--neon-cyan);
  color: #000;
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.4);
}

.btn-arcade.primary:hover {
  background: #fff;
  box-shadow: 0 0 20px rgba(255, 255, 255, 0.7);
  transform: scale(1.03);
}

.btn-arcade.secondary {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.2);
  color: #fff;
}

.btn-arcade.secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: #fff;
}

.btn-arcade:focus-visible {
  outline: 2px solid var(--neon-cyan);
  outline-offset: 2px;
}

/* HUD icon button (pause, fullscreen) */
.btn-hud-icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(0, 0, 0, 0.5);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-smooth);
  font-size: 0.9rem;
  min-width: var(--touch-target-min);
  min-height: var(--touch-target-min);
  pointer-events: auto;
  backdrop-filter: blur(4px);
}

.btn-hud-icon:hover {
  background: rgba(0, 240, 255, 0.15);
  border-color: var(--neon-cyan);
}

.btn-hud-icon:focus-visible {
  outline: 2px solid var(--neon-cyan);
  outline-offset: 2px;
}

/* ===============================================
   MOBILE GAME TOOLBAR
   Fixed bottom bar shown during gameplay on touch devices
   =============================================== */
.mobile-game-toolbar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  z-index: 10000;
  background: rgba(10, 2, 20, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-top: 1px solid rgba(0, 240, 255, 0.2);
  padding: 8px 12px;
  padding-bottom: max(8px, env(safe-area-inset-bottom));
  gap: 8px;
  align-items: center;
  justify-content: center;
}

.mobile-game-toolbar.active {
  display: flex;
}

.mob-btn {
  flex: 1;
  max-width: 140px;
  height: 56px;
  border-radius: 12px;
  border: 2px solid rgba(0, 240, 255, 0.4);
  background: rgba(0, 240, 255, 0.08);
  color: var(--neon-cyan);
  font-family: 'Orbitron', sans-serif;
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 1px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: transform 0.1s, background 0.1s;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.mob-btn:active {
  transform: scale(0.93);
  background: rgba(0, 240, 255, 0.2);
}

.mob-btn.mob-btn-pink {
  border-color: rgba(255, 0, 127, 0.4);
  background: rgba(255, 0, 127, 0.08);
  color: var(--neon-pink);
}

.mob-btn.mob-btn-pink:active {
  background: rgba(255, 0, 127, 0.2);
}

.mob-btn-sm {
  flex: 0 0 56px;
  max-width: 56px;
  font-size: 1.1rem;
}

/* ===============================================
   COLLAPSIBLE SIDEBAR TOGGLE (gameplay view)
   =============================================== */
.sidebar-toggle-btn {
  display: none;
  width: 100%;
  padding: 10px;
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  color: var(--text-secondary);
  font-family: 'Orbitron', sans-serif;
  font-size: 0.75rem;
  cursor: pointer;
  text-align: center;
  transition: var(--transition-smooth);
  min-height: var(--touch-target-min);
  letter-spacing: 1px;
}

.sidebar-toggle-btn:hover {
  background: rgba(0, 240, 255, 0.08);
  color: var(--neon-cyan);
}

/* Old touch controls (inside canvas — replaced by mobile toolbar) */
.touch-controls {
  display: none !important;
}

/* Game info & instructions panel in gameplay view */
.game-info-panel {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.game-info-header {
  display: flex;
  align-items: center;
  gap: 12px;
}

.game-info-header h2 {
  font-size: 1.2rem;
}

.instruction-box {
  background: var(--bg-card);
  border-radius: 8px;
  padding: 12px;
  font-size: 0.85rem;
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.instruction-box h4 {
  font-size: 0.8rem;
  color: var(--neon-cyan);
  margin-bottom: 8px;
}

.instruction-key {
  display: inline-block;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.3);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-family: monospace;
  margin: 2px;
}

/* Footer Section */
footer {
  margin-top: auto;
  padding: 20px;
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-secondary);
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  background: var(--bg-dark);
}

footer a {
  color: var(--neon-cyan);
  text-decoration: none;
  transition: var(--transition-smooth);
}

footer a:hover {
  text-shadow: 0 0 5px var(--neon-cyan);
}

/* Achievements notification */
.toast-notification {
  position: fixed;
  bottom: 25px;
  right: 25px;
  background: var(--bg-panel);
  border: 2px solid var(--neon-yellow);
  box-shadow: 0 0 20px rgba(255, 170, 0, 0.25);
  border-radius: 10px;
  padding: 15px 20px;
  display: flex;
  align-items: center;
  gap: 15px;
  z-index: 100000;
  backdrop-filter: blur(10px);
  transform: translateY(120px);
  opacity: 0;
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.4s;
  max-width: 90vw;
}

.toast-notification.active {
  transform: translateY(0);
  opacity: 1;
}

.toast-icon {
  font-size: 2.2rem;
  color: var(--neon-yellow);
  text-shadow: 0 0 10px rgba(255, 170, 0, 0.5);
  flex-shrink: 0;
}

.toast-body h4 {
  font-size: 0.8rem;
  color: var(--neon-yellow);
  margin-bottom: 3px;
}

.toast-body p {
  font-size: 0.9rem;
  font-weight: bold;
}

/* Particle animation for UI */
.bg-particles {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
}

/* ===============================================
   ACCESSIBILITY — Focus Styles
   =============================================== */
.game-card:focus-visible {
  outline: 2px solid var(--neon-cyan);
  outline-offset: 3px;
}

/* ===============================================
   RESPONSIVE: TABLET (769px – 1024px)
   =============================================== */
@media (max-width: 1024px) {
  #dashboard-view {
    grid-template-columns: 1fr;
  }

  #gameplay-view {
    grid-template-columns: 1fr;
  }

  .game-info-panel {
    padding: 15px;
  }
}

/* ===============================================
   RESPONSIVE: MOBILE (≤768px)
   =============================================== */
@media (max-width: 768px) {
  /* --- Disable CRT overlays on mobile (GPU savings ~15%) --- */
  body::after {
    display: none;
  }
  .crt-scanlines {
    display: none;
  }
  .crt-bloom {
    animation: none;
  }

  /* --- Header --- */
  #arcade-container {
    width: 100%;
    margin: 0;
    padding: 8px;
    gap: 12px;
  }

  header {
    padding: 10px 14px;
    border-radius: 10px;
  }

  .logo-container h1 {
    font-size: 1.15rem;
    gap: 6px;
  }

  .logo-container h1 span {
    display: none;
  }

  .volume-control {
    padding: 6px 10px;
  }

  .volume-control input[type="range"] {
    width: 60px;
  }

  /* --- Dashboard --- */
  #dashboard-view {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .games-selection h2 {
    font-size: 1rem !important;
  }

  .games-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .game-card {
    min-height: auto;
    flex-direction: row;
    align-items: stretch;
  }

  .game-card:hover {
    transform: none;
  }

  .game-card-banner {
    width: 90px;
    height: auto;
    min-height: 100px;
    flex-shrink: 0;
    border-radius: 16px 0 0 16px;
  }

  .game-card-banner::after {
    display: none;
  }

  .game-icon-frame {
    width: 44px;
    height: 44px;
    font-size: 1.3rem;
  }

  .game-card-content {
    padding: 14px;
  }

  .game-card-content h3 {
    font-size: 1.05rem;
    margin-bottom: 4px;
  }

  .game-card-content p {
    font-size: 0.78rem;
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .play-badge {
    padding: 6px 14px;
    min-height: var(--touch-target-min);
    display: flex;
    align-items: center;
  }

  /* --- Stats / Achievements sidebar --- */
  .stats-panel, .achievements-panel {
    padding: 14px;
  }

  .achievements-grid {
    max-height: 200px;
  }

  /* --- Gameplay View --- */
  #gameplay-view {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .canvas-container {
    border-radius: 8px;
    min-height: auto;
    aspect-ratio: 16 / 9;
  }

  .canvas-container canvas {
    max-width: 100%;
    max-height: 100%;
  }

  /* --- HUD --- */
  .hud-overlay {
    padding: 8px 10px;
  }

  .hud-score-label {
    font-size: 0.55rem;
  }

  .hud-score-val {
    font-size: 1.1rem;
  }

  .overlay-panel {
    padding: 18px 16px;
    max-width: 95%;
    gap: 10px;
  }

  .overlay-panel h2 {
    font-size: 1.3rem;
  }

  .overlay-panel p {
    font-size: 0.78rem;
  }

  #gameover-final-score {
    font-size: 1.6rem !important;
  }

  .overlay-buttons {
    gap: 10px;
  }

  .btn-arcade {
    padding: 10px 14px;
    font-size: 0.75rem;
  }

  /* --- Show sidebar toggle --- */
  .sidebar-toggle-btn {
    display: block;
  }

  /* Hide gameplay sidebar by default on mobile, toggled via JS */
  #gameplay-view .sidebar-panel {
    display: none;
  }

  #gameplay-view .sidebar-panel.sidebar-open {
    display: flex;
  }

  /* --- Mobile game toolbar gets proper space --- */
  .mobile-game-toolbar.active ~ #arcade-container,
  body.game-active #arcade-container {
    padding-bottom: 80px;
  }

  /* --- Toast on mobile: bottom-center, wider --- */
  .toast-notification {
    bottom: 80px;
    right: 10px;
    left: 10px;
    max-width: none;
    padding: 10px 14px;
  }

  .toast-icon {
    font-size: 1.6rem;
  }

  .toast-body h4 {
    font-size: 0.7rem;
  }
  .toast-body p {
    font-size: 0.8rem;
  }

  /* --- Footer --- */
  footer {
    padding: 14px;
    font-size: 0.65rem;
    padding-bottom: max(14px, env(safe-area-inset-bottom));
  }
}

/* ===============================================
   RESPONSIVE: VERY SMALL PHONE (≤480px)
   =============================================== */
@media (max-width: 480px) {
  .logo-container h1 {
    font-size: 0.95rem;
  }

  .game-card-content p {
    display: none;
  }

  .game-card-banner {
    width: 70px;
  }

  .overlay-buttons {
    flex-direction: column;
  }

  .overlay-panel h2 {
    font-size: 1.1rem;
  }

  .stat-item {
    font-size: 0.8rem;
  }
}

/* ===============================================
   ACCESSIBILITY: Reduced Motion
   =============================================== */
@media (prefers-reduced-motion: reduce) {
  .crt-bloom {
    animation: none;
  }

  .game-card {
    transition: none;
  }

  .overlay-panel {
    animation: none;
  }

  .toast-notification {
    transition: opacity 0.2s;
  }
}

/* ===============================================
   FULLSCREEN MODE ADJUSTMENTS
   =============================================== */
:fullscreen #arcade-container,
:-webkit-full-screen #arcade-container {
  max-width: 100%;
  width: 100%;
  margin: 0;
  padding: 0;
}

:fullscreen .canvas-container,
:-webkit-full-screen .canvas-container {
  border-radius: 0;
  max-height: 100vh;
  max-height: 100dvh;
}

:fullscreen header,
:-webkit-full-screen header {
  display: none;
}

:fullscreen footer,
:-webkit-full-screen footer {
  display: none;
}

:fullscreen #gameplay-view,
:-webkit-full-screen #gameplay-view {
  grid-template-columns: 1fr;
}

:fullscreen #gameplay-view .sidebar-panel,
:-webkit-full-screen #gameplay-view .sidebar-panel {
  display: none;
}