/* Catppuccin Mocha Color Palette */
:root {
  --ctp-base: #1e1e2e;
  --ctp-mantle: #181825;
  --ctp-crust: #11111b;
  --ctp-surface0: #313244;
  --ctp-surface1: #45475a;
  --ctp-subtext0: #a6adc8;
  --ctp-text: #cdd6f4;
  --ctp-lavender: #b4befe;
  --ctp-blue: #89b4fa;
  --ctp-mauve: #cba6f7;
  --ctp-green: #a6e3a1;
  --ctp-red: #f38ba8;
  --ctp-peach: #fab387;
  --ctp-yellow: #f9e2af;
  --ctp-rosewater: #f5c2e7;
  --ctp-flint: #9399b2;
}

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

body {
  background-color: var(--ctp-base);
  color: var(--ctp-text);
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 2rem 1rem;
}

.container {
  max-width: 600px;
  width: 100%;
  margin: 0 auto;
}

/* Header */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

header h1 {
  color: var(--ctp-mauve);
  font-size: 2rem;
  font-weight: 700;
}

.back-btn {
  color: var(--ctp-blue);
  text-decoration: none;
  font-size: 0.9rem;
  padding: 0.5rem 1rem;
  border: 1px solid var(--ctp-surface1);
  border-radius: 0.5rem;
  transition: background-color 0.2s, border-color 0.2s;
}

.back-btn:hover {
  background-color: var(--ctp-surface0);
  border-color: var(--ctp-blue);
}

/* Game Wrapper */
.game-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

/* Game Info Bar */
.game-info {
  display: flex;
  gap: 2rem;
  justify-content: center;
  width: 100%;
  padding: 0.75rem;
  background-color: var(--ctp-mantle);
  border-radius: 0.75rem;
  border: 1px solid var(--ctp-surface1);
}

.info-item {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.info-item .label {
  color: var(--ctp-subtext0);
  font-size: 0.9rem;
}

.info-item span:last-child {
  color: var(--ctp-lavender);
  font-weight: 600;
  font-size: 1.1rem;
}

/* Canvas */
#gameCanvas {
  background-color: var(--ctp-crust);
  border: 2px solid var(--ctp-surface1);
  border-radius: 0.5rem;
  display: block;
  max-width: 100%;
  height: auto;
}

/* Controls */
.controls {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
}

.controls button {
  background-color: var(--ctp-surface0);
  color: var(--ctp-text);
  border: 1px solid var(--ctp-surface1);
  padding: 0.6rem 1.5rem;
  border-radius: 0.5rem;
  font-size: 0.95rem;
  cursor: pointer;
  transition: background-color 0.2s, border-color 0.2s, color 0.2s;
}

.controls button:hover:not(:disabled) {
  background-color: var(--ctp-blue);
  color: var(--ctp-base);
  border-color: var(--ctp-blue);
}

.controls button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* Overlay */
.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(17, 17, 27, 0.85);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 100;
}

.overlay-content {
  background-color: var(--ctp-mantle);
  border: 2px solid var(--ctp-surface1);
  border-radius: 1rem;
  padding: 2.5rem;
  text-align: center;
  max-width: 400px;
  width: 90%;
}

.overlay-content h2 {
  color: var(--ctp-mauve);
  font-size: 1.8rem;
  margin-bottom: 1rem;
}

.overlay-content p {
  color: var(--ctp-subtext0);
  margin-bottom: 1.5rem;
  font-size: 1rem;
}

.overlay-content button {
  background-color: var(--ctp-blue);
  color: var(--ctp-base);
  border: none;
  padding: 0.7rem 2rem;
  border-radius: 0.5rem;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.2s;
}

.overlay-content button:hover {
  background-color: var(--ctp-lavender);
}

/* Responsive */
@media (max-width: 520px) {
  header {
    flex-direction: column;
    gap: 1rem;
    align-items: flex-start;
  }

  .game-info {
    gap: 1rem;
    flex-wrap: wrap;
  }

  header h1 {
    font-size: 1.5rem;
  }
}