@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;600;700;800&family=Orbitron:wght@600;800;900&display=swap');

:root {
  --bg-dark: #050811;
  --bg-panel: rgba(13, 19, 33, 0.92);
  --border: rgba(255, 255, 255, 0.12);
  --border-focus: rgba(251, 191, 36, 0.6);
  --amber: #fbbf24;
  --amber-glow: rgba(251, 191, 36, 0.4);
  --red-car: #ef4444;
  --blue-car: #3b82f6;
  --cyan: #38bdf8;
  --green: #22c55e;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --font-display: 'Orbitron', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --font-sans: 'Inter', sans-serif;
}

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

html, body {
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  background: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-sans);
  overflow: hidden;
  touch-action: none;
}

/* Header */
.game-header {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 48px;
  padding: 0 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(5, 8, 17, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  z-index: 50;
}

.header-left, .header-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.hub-return-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--amber);
  background: rgba(251, 191, 36, 0.08);
  border: 1px solid rgba(251, 191, 36, 0.35);
  border-radius: 4px;
  padding: 0.35rem 0.75rem;
  text-decoration: none;
  transition: all 0.2s ease;
}

.hub-return-btn:hover {
  background: var(--amber);
  color: #000;
  box-shadow: 0 0 16px var(--amber-glow);
}

.header-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.95rem;
  letter-spacing: 0.15em;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.header-title .tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  padding: 0.15rem 0.45rem;
  border-radius: 3px;
  background: rgba(251, 191, 36, 0.15);
  color: var(--amber);
  border: 1px solid rgba(251, 191, 36, 0.4);
}

.header-btn {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.3rem 0.65rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  color: var(--text-muted);
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.header-btn:hover, .header-btn.active {
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.3);
}

/* Main Canvas Viewport */
#gameContainer {
  position: absolute;
  top: 48px;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #020408;
  overflow: hidden;
}

#raceCanvas {
  display: block;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  box-shadow: 0 0 50px rgba(0, 0, 0, 0.9);
}

/* CRT Scanlines */
.crt-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.18) 2px,
    rgba(0, 0, 0, 0.18) 4px
  );
  z-index: 20;
}

.crt-overlay::after {
  content: '';
  position: absolute;
  inset: 0;
  box-shadow: inset 0 0 100px rgba(0, 0, 0, 0.7);
}

.crt-overlay.hidden {
  display: none;
}

/* HUD Overlay */
#hudOverlay {
  position: absolute;
  inset: 48px 0 0 0;
  pointer-events: none;
  z-index: 15;
}

#hudOverlay.hidden {
  display: none;
}

.hud-top-bar {
  position: absolute;
  top: 1rem;
  left: 1.5rem;
  right: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.hud-track-badge {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  padding: 0.4rem 1rem;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--amber);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
}

.hud-car-box {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.6rem 1rem;
  display: flex;
  align-items: center;
  gap: 1.2rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.6);
}

.hud-car-box.p1-box {
  border-left: 4px solid var(--red-car);
}

.hud-car-box.p2-box {
  border-left: 4px solid var(--blue-car);
  margin-top: 0.5rem;
}

.hud-stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hud-stat-label {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--text-dim);
  letter-spacing: 0.1em;
}

.hud-stat-val {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.15rem;
  color: #fff;
}

.hud-stat-val.pos {
  color: var(--amber);
  font-size: 1.4rem;
}

/* Modals & Screens */
.modal-screen {
  position: absolute;
  inset: 0;
  background: rgba(3, 6, 15, 0.88);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 30;
  padding: 1.5rem;
  opacity: 1;
  transition: opacity 0.25s ease;
}

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

.panel-card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2.2rem 2.8rem;
  max-width: 820px;
  width: 95%;
  text-align: center;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.8), 0 0 0 1px rgba(255, 255, 255, 0.05);
}

/* Title Header */
.main-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  letter-spacing: 0.18em;
  background: linear-gradient(180deg, #fff 0%, #fbbf24 60%, #d97706 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 35px var(--amber-glow);
  margin-bottom: 0.3rem;
}

.sub-title {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.25em;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

/* Mode Select Buttons */
.modes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.mode-card-btn {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.25rem 1rem;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: #fff;
  transition: all 0.2s ease;
}

.mode-card-btn:hover {
  background: rgba(251, 191, 36, 0.1);
  border-color: var(--amber);
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(251, 191, 36, 0.2);
}

.mode-icon {
  font-size: 2rem;
}

.mode-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: 0.1em;
  color: var(--amber);
}

.mode-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* Difficulty Selector */
.diff-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  margin-bottom: 2rem;
}

.diff-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-dim);
  letter-spacing: 0.1em;
}

.diff-btn {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 0.35rem 0.85rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  color: var(--text-muted);
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s;
}

.diff-btn.active {
  background: var(--amber);
  color: #000;
  font-weight: bold;
  border-color: var(--amber);
}

/* Controls Guide */
.controls-guide-bar {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 6px;
  padding: 0.8rem 1.2rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 1rem;
}

.controls-guide-bar b {
  color: #fff;
}

/* Standard Buttons */
.btn-primary {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: 0.15em;
  padding: 0.75rem 2.2rem;
  background: var(--amber);
  color: #000;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  box-shadow: 0 4px 20px var(--amber-glow);
  transition: all 0.2s ease;
}

.btn-primary:hover {
  filter: brightness(1.15);
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(251, 191, 36, 0.5);
}

.btn-secondary {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 0.65rem 1.6rem;
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.14);
}

/* Results Table */
.results-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0 2rem 0;
  font-family: var(--font-mono);
}

.results-table th {
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  color: var(--text-dim);
  padding: 0.6rem 1rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
}

.results-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.9rem;
  text-align: left;
}

.pos-tag {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.85rem;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
}

.pos-tag.pos-1 { background: var(--amber); color: #000; }
.pos-tag.pos-2 { background: #94a3b8; color: #000; }
.pos-tag.pos-3 { background: #b45309; color: #fff; }
.pos-tag.pos-4 { background: rgba(255, 255, 255, 0.1); color: var(--text-muted); }

/* Garage Pit Stop Screen */
.garage-container {
  display: flex;
  gap: 2rem;
  justify-content: center;
  width: 100%;
  margin: 1.5rem 0;
}

.garage-car-panel {
  flex: 1;
  max-width: 440px;
  background: rgba(10, 15, 26, 0.7);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.5rem;
}

.garage-bank {
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 6px;
  padding: 0.6rem 1rem;
  margin-bottom: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.amber-glow {
  color: var(--amber);
  font-size: 1.1rem;
}

.garage-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.9rem 1rem;
  margin-bottom: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  text-align: left;
}

.garage-card-info {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.garage-card-info .card-icon {
  font-size: 1.5rem;
}

.garage-card-info h4 {
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.lvl-badge {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--amber);
  background: rgba(251, 191, 36, 0.15);
  padding: 0.1rem 0.4rem;
  border-radius: 3px;
}

.garage-card-info p {
  font-size: 0.72rem;
  color: var(--text-muted);
}

.garage-card-pips {
  display: flex;
  gap: 0.4rem;
}

.garage-card-pips .pip {
  flex: 1;
  height: 8px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
}

.garage-card-pips .pip.active {
  background: var(--amber);
  box-shadow: 0 0 8px var(--amber-glow);
}

.garage-card-action {
  display: flex;
  justify-content: flex-end;
}

.btn-buy {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: bold;
  padding: 0.35rem 0.85rem;
  border-radius: 4px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s;
}

.btn-buy.ready {
  background: var(--amber);
  color: #000;
}

.btn-buy.ready:hover {
  filter: brightness(1.2);
}

.btn-buy.disabled {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-dim);
  cursor: not-allowed;
}

.btn-buy.maxed {
  background: rgba(34, 197, 94, 0.2);
  color: var(--green);
  border-color: rgba(34, 197, 94, 0.4);
  cursor: default;
}

/* Championship Finale Screen */
.podium-wrap {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 1.2rem;
  margin: 2rem 0;
  height: 240px;
}

.podium-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 140px;
}

.trophy-cup {
  font-size: 2.5rem;
  margin-bottom: 0.4rem;
}

.podium-car-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.85rem;
  margin-bottom: 0.2rem;
}

.podium-pts {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.podium-block {
  width: 100%;
  border-radius: 6px 6px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 0.9rem;
  padding: 1rem 0.5rem;
  color: #000;
}

.step-1 .podium-block {
  height: 140px;
  background: linear-gradient(180deg, #fde047 0%, #ca8a04 100%);
  box-shadow: 0 0 30px rgba(253, 224, 71, 0.4);
}

.step-2 .podium-block {
  height: 100px;
  background: linear-gradient(180deg, #e2e8f0 0%, #94a3b8 100%);
}

.step-3 .podium-block {
  height: 70px;
  background: linear-gradient(180deg, #fdba74 0%, #c2410c 100%);
}

/* Touch Controls */
.touch-container {
  position: absolute;
  bottom: 1.5rem;
  z-index: 25;
  display: none;
  pointer-events: all;
}

@media (max-width: 900px), (pointer: coarse) {
  .touch-container {
    display: flex;
  }
}

.touch-p1-left { left: 1.5rem; gap: 1rem; }
.touch-p1-right { right: 1.5rem; gap: 1rem; }

.touch-btn {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: rgba(15, 23, 42, 0.8);
  border: 2px solid rgba(255, 255, 255, 0.25);
  color: #fff;
  font-size: 1.3rem;
  font-family: var(--font-mono);
  display: flex;
  align-items: center;
  justify-content: center;
  touch-action: none;
}

.touch-btn:active {
  background: var(--amber);
  color: #000;
  border-color: var(--amber);
}

.touch-btn.nitro-btn {
  background: rgba(239, 68, 68, 0.3);
  border-color: var(--red-car);
  color: var(--red-car);
}

.touch-btn.nitro-btn:active {
  background: var(--red-car);
  color: #fff;
}