/* ============================================
   TURBO RUSH — Complete Stylesheet
   ============================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
  --primary: #e63946;
  --primary-glow: #ff4d5a;
  --accent: #f4a261;
  --accent2: #2a9d8f;
  --bg-dark: #0a0e17;
  --bg-card: rgba(15, 20, 35, 0.92);
  --bg-card-border: rgba(255, 255, 255, 0.08);
  --text: #f1faee;
  --text-dim: rgba(241, 250, 238, 0.55);
  --nitro-start: #00b4d8;
  --nitro-end: #ff6b35;
  --font-display: 'Orbitron', sans-serif;
  --font-body: 'Outfit', sans-serif;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 8px 32px rgba(0,0,0,0.45);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

/* ---------- Canvas ---------- */
#game-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
}

#game-canvas canvas {
  display: block;
  width: 100% !important;
  height: 100% !important;
}

.seo-content {
  position: absolute;
  left: -9999px;
  top: 0;
  width: 1000px;
  max-width: calc(100vw - 40px);
  z-index: 1;
  color: #fff;
}

.seo-inner {
  padding: 32px 24px;
}

.seo-content h1,
.seo-content h2,
.seo-content h3,
.seo-content p {
  max-width: 1000px;
  margin: 0 0 18px;
  line-height: 1.7;
  color: #ffffff;
}

.seo-content h1 {
  font-size: 2.2rem;
  font-family: var(--font-display);
  margin-bottom: 22px;
}

.seo-content p {
  font-size: 1.02rem;
}

/* ---------- Overlays ---------- */
.overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(5, 8, 18, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
}

.overlay.active {
  opacity: 1;
  visibility: visible;
}

/* ---------- Loading Screen ---------- */
#loading-screen {
  background: linear-gradient(135deg, #0a0e17 0%, #1a1a2e 50%, #0a0e17 100%);
  flex-direction: column;
  gap: 32px;
}

.loading-content {
  text-align: center;
  animation: fadeInUp 0.8s ease-out;
}

.game-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 7vw, 4.5rem);
  font-weight: 900;
  letter-spacing: 4px;
  color: var(--text);
  text-shadow: 0 0 40px rgba(230, 57, 70, 0.4);
}

.game-title .accent {
  color: var(--primary);
  text-shadow: 0 0 30px var(--primary-glow), 0 0 60px rgba(230, 57, 70, 0.3);
}

.loader {
  margin: 0 auto;
  width: min(280px, 70vw);
}

.loader-bar {
  height: 4px;
  background: rgba(255,255,255,0.1);
  border-radius: 4px;
  overflow: hidden;
}

.loader-fill {
  height: 100%;
  width: 30%;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 4px;
  animation: loading 1.5s ease-in-out infinite;
}

@keyframes loading {
  0% { transform: translateX(-100%); width: 30%; }
  50% { width: 60%; }
  100% { transform: translateX(400%); width: 30%; }
}

.loading-text {
  font-size: 0.9rem;
  color: var(--text-dim);
  margin-top: 16px;
  letter-spacing: 2px;
  text-transform: uppercase;
}

/* ---------- Menu Cards ---------- */
.menu-card {
  background: var(--bg-card);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-lg);
  padding: clamp(24px, 5vw, 48px);
  text-align: center;
  max-width: 420px;
  width: 90vw;
  box-shadow: var(--shadow);
  animation: cardIn 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes cardIn {
  from { transform: scale(0.85) translateY(30px); opacity: 0; }
  to { transform: scale(1) translateY(0); opacity: 1; }
}

.subtitle {
  font-size: 1rem;
  color: var(--text-dim);
  margin-top: 4px;
  letter-spacing: 3px;
  text-transform: uppercase;
}

/* ---------- Menu Stats ---------- */
.menu-stats {
  display: flex;
  gap: 12px;
  margin: 24px 0;
  justify-content: center;
  flex-wrap: wrap;
}

.stat-item {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 12px 16px;
  min-width: 90px;
  flex: 1;
}

.stat-label {
  display: block;
  font-size: 0.6rem;
  color: var(--text-dim);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.stat-value {
  display: block;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
}

/* ---------- Buttons ---------- */
.btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 14px 24px;
  margin-top: 12px;
  border: none;
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 2px;
  cursor: pointer;
  transition: all var(--transition);
  text-transform: uppercase;
}

.btn-icon {
  font-size: 1.1em;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), #c1121f);
  color: white;
  box-shadow: 0 4px 20px rgba(230, 57, 70, 0.35);
}

.btn-primary:hover, .btn-primary:active {
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(230, 57, 70, 0.5);
}

.btn-secondary {
  background: rgba(255,255,255,0.06);
  color: var(--text);
  border: 1px solid rgba(255,255,255,0.1);
}

.btn-secondary:hover, .btn-secondary:active {
  background: rgba(255,255,255,0.12);
  transform: translateY(-1px);
}

.btn-danger {
  background: rgba(230, 57, 70, 0.15);
  color: var(--primary);
  border: 1px solid rgba(230, 57, 70, 0.25);
}

.btn-danger:hover, .btn-danger:active {
  background: rgba(230, 57, 70, 0.25);
}

/* ---------- Settings ---------- */
.settings-card {
  max-width: 480px;
}

.settings-card h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin-bottom: 24px;
  letter-spacing: 3px;
}

.setting-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  gap: 12px;
  flex-wrap: wrap;
}

.setting-row label {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-dim);
  white-space: nowrap;
}

.setting-options {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.option-btn {
  padding: 8px 16px;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px;
  background: rgba(255,255,255,0.04);
  color: var(--text-dim);
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 1px;
  cursor: pointer;
  transition: all var(--transition);
}

.option-btn:hover {
  background: rgba(255,255,255,0.08);
}

.option-btn.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
  box-shadow: 0 2px 12px rgba(230, 57, 70, 0.3);
}

.color-swatch {
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: 50%;
  border-width: 3px;
}

.color-swatch.active {
  border-color: white;
  box-shadow: 0 0 12px rgba(255,255,255,0.4);
  transform: scale(1.15);
}

/* ---------- HUD ---------- */
.hud {
  position: fixed;
  inset: 0;
  z-index: 50;
  pointer-events: none;
  transition: opacity var(--transition);
}

.hud.hidden {
  opacity: 0;
  visibility: hidden;
}

.hud-top {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: clamp(8px, 2vw, 16px) clamp(12px, 3vw, 24px);
  gap: 8px;
  background: linear-gradient(180deg, rgba(0,0,0,0.5) 0%, transparent 100%);
}

.hud-top > div {
  text-align: center;
}

.hud-label {
  display: block;
  font-size: clamp(0.5rem, 1.5vw, 0.65rem);
  color: var(--text-dim);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  line-height: 1;
  margin-bottom: 2px;
}

.hud-value {
  font-family: var(--font-display);
  font-size: clamp(0.9rem, 2.5vw, 1.3rem);
  font-weight: 700;
}

.hud-coins {
  display: flex;
  align-items: center;
  gap: 4px;
}

.coin-icon {
  font-size: clamp(1rem, 3vw, 1.4rem);
}

.hud-btn {
  pointer-events: auto;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 10px;
  width: clamp(36px, 6vw, 44px);
  height: clamp(36px, 6vw, 44px);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  color: var(--text);
  cursor: pointer;
  transition: all var(--transition);
  backdrop-filter: blur(8px);
}

.hud-btn:hover, .hud-btn:active {
  background: rgba(255,255,255,0.2);
}

/* HUD Bottom */
.hud-bottom {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding: clamp(8px, 2vw, 16px) clamp(12px, 3vw, 24px);
  padding-bottom: clamp(12px, 3vw, 24px);
  background: linear-gradient(0deg, rgba(0,0,0,0.4) 0%, transparent 100%);
}

.hud-speed {
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.speed-number {
  font-family: var(--font-display);
  font-size: clamp(2rem, 6vw, 3.5rem);
  font-weight: 900;
  line-height: 1;
  text-shadow: 0 0 20px rgba(255,255,255,0.2);
}

.speed-unit {
  font-size: clamp(0.6rem, 1.5vw, 0.8rem);
  color: var(--text-dim);
  letter-spacing: 1px;
}

.hud-nitro {
  text-align: right;
}

.nitro-label {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(0.5rem, 1.5vw, 0.7rem);
  letter-spacing: 2px;
  color: var(--text-dim);
  margin-bottom: 4px;
}

.nitro-bar {
  width: clamp(100px, 25vw, 180px);
  height: 8px;
  background: rgba(255,255,255,0.1);
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.08);
}

.nitro-fill {
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, var(--nitro-start), var(--nitro-end));
  border-radius: 4px;
  transition: width 0.15s linear;
  box-shadow: 0 0 10px rgba(0, 180, 216, 0.4);
}

/* ---------- Camera Toast ---------- */
.camera-toast {
  position: absolute;
  top: 15%;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0, 0, 0, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--text);
  padding: 10px 24px;
  border-radius: 20px;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  z-index: 100;
  pointer-events: none;
  transition: opacity 0.3s ease;
  backdrop-filter: blur(4px);
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}

.camera-toast.hidden {
  opacity: 0;
}

/* ---------- Touch Controls ---------- */
.touch-controls {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 60;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  padding: 12px 16px;
  padding-bottom: max(16px, env(safe-area-inset-bottom, 16px));
  pointer-events: none;
  transition: opacity var(--transition);
}

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

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

.touch-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid rgba(255,255,255,0.2);
  border-radius: 16px;
  color: white;
  font-family: var(--font-display);
  font-weight: 700;
  cursor: pointer;
  transition: all 0.1s ease;
  -webkit-tap-highlight-color: transparent;
  backdrop-filter: blur(6px);
}

.touch-steer {
  width: clamp(75px, 20vw, 110px);
  height: clamp(75px, 20vw, 110px);
  font-size: clamp(1.5rem, 6vw, 2.2rem);
  background: rgba(255,255,255,0.15);
  box-shadow: 0 4px 15px rgba(0,0,0,0.3);
}

.touch-steer:active, .touch-steer.pressed {
  background: rgba(255,255,255,0.25);
  transform: scale(0.92);
  border-color: rgba(255,255,255,0.5);
}

.touch-action {
  width: clamp(75px, 20vw, 110px);
  height: clamp(75px, 20vw, 110px);
  font-size: clamp(0.8rem, 3vw, 1rem);
  letter-spacing: 1px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.3);
}

.touch-brake-btn {
  background: rgba(230, 57, 70, 0.2);
  border-color: rgba(230, 57, 70, 0.4);
}

.touch-brake-btn:active, .touch-brake-btn.pressed {
  background: rgba(230, 57, 70, 0.5);
  transform: scale(0.92);
}

.touch-nitro-btn {
  background: rgba(0, 180, 216, 0.2);
  border-color: rgba(0, 180, 216, 0.4);
  font-size: clamp(1.4rem, 4vw, 2rem);
}

.touch-nitro-btn:active, .touch-nitro-btn.pressed {
  background: rgba(0, 180, 216, 0.5);
  transform: scale(0.92);
}

/* ---------- Game Over ---------- */
.gameover-card {
  max-width: 400px;
}

.gameover-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 5vw, 2.5rem);
  color: var(--primary);
  letter-spacing: 4px;
  margin-bottom: 20px;
  text-shadow: 0 0 30px rgba(230, 57, 70, 0.4);
}

.gameover-stats {
  margin: 20px 0;
}

.go-stat {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.go-stat-label {
  font-size: 0.8rem;
  color: var(--text-dim);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.go-stat-value {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
}

.go-stat.highlight {
  border: 1px solid rgba(244, 162, 97, 0.3);
  background: rgba(244, 162, 97, 0.08);
  border-radius: var(--radius);
  padding: 12px 16px;
  margin-top: 8px;
}

.go-stat.highlight .go-stat-value {
  color: var(--accent);
}

/* ---------- Pause ---------- */
#pause-menu .menu-card h2 {
  font-family: var(--font-display);
  font-size: 1.8rem;
  letter-spacing: 4px;
  margin-bottom: 20px;
}

/* ---------- Animations ---------- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* ---------- Mobile Adjustments ---------- */
@media (max-width: 600px) {
  .hud-bottom {
    padding-bottom: clamp(80px, 20vh, 120px);
  }

  .menu-stats {
    flex-direction: column;
  }

  .stat-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  .stat-label {
    margin-bottom: 0;
  }
}

/* ---------- Landscape Mobile ---------- */
@media (max-height: 450px) and (orientation: landscape) {
  .menu-card {
    padding: 16px 24px;
    max-height: 90vh;
    overflow-y: auto;
  }

  .game-title {
    font-size: 1.8rem;
  }

  .menu-stats {
    margin: 12px 0;
  }

  .btn {
    padding: 10px 20px;
    margin-top: 8px;
  }

  .hud-bottom {
    padding-bottom: clamp(70px, 18vh, 100px);
  }

  .touch-steer, .touch-action {
    width: clamp(65px, 15vw, 90px);
    height: clamp(65px, 15vw, 90px);
  }
}

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar {
  width: 4px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,0.15);
  border-radius: 4px;
}