@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;800&display=swap');

:root {
  --primary: #D63031;
  --primary-hover: #b82525;
  --secondary: #FF7675;
  --accent: #FDCB6E;
  --background: #1A0D0D;
  --surface: rgba(255, 255, 255, 0.05);
  --border: rgba(255, 255, 255, 0.1);
  --text: #ffffff;
  --muted: rgba(255, 255, 255, 0.6);
  --player1: #D63031;
  --player2: #FDCB6E;
}

body {
  background-color: var(--background);
  color: var(--text);
  font-family: 'Inter', system-ui, sans-serif;
  margin: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: 20px;
  box-sizing: border-box;
}

.app-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  width: 100%;
  max-width: 800px;
}

header {
  text-align: center;
  width: 100%;
}

h1 {
  font-weight: 800;
  font-size: 3rem;
  margin: 0 0 10px 0;
  background: linear-gradient(to right, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.05em;
}

.controls {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.btn {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 20px;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  backdrop-filter: blur(10px);
}

.btn:hover:not(:disabled) {
  background: var(--border);
  transform: translateY(-2px);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn.primary {
  background: var(--primary);
  border-color: var(--primary);
}

.btn.primary:hover {
  background: var(--primary-hover);
}

.status {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--muted);
  min-height: 1.5em;
}

.game-board-container {
  position: relative;
  border-radius: 12px;
  padding: 10px;
  background: var(--surface);
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.5);
  border: 1px solid var(--border);
}

canvas {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  cursor: pointer;
  /* Ensure canvas doesn't highlight on click */
  -webkit-tap-highlight-color: transparent;
}

@media (max-width: 600px) {
  h1 {
    font-size: 2rem;
  }

  .btn {
    padding: 8px 16px;
    font-size: 0.9rem;
  }
}