* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background: #2c2c2c;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  font-family: 'Apple SD Gothic Neo', 'Malgun Gothic', 'Noto Sans KR', sans-serif;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 16px;
  width: 100%;
  max-width: 600px;
}

.status {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 24px;
  border-radius: 30px;
  font-size: 18px;
  font-weight: 700;
  transition: background 0.3s, color 0.3s, box-shadow 0.3s;
  user-select: none;
}

.status.black-turn {
  background: #1a1a1a;
  color: #fff;
  box-shadow: 0 0 0 3px #555;
}

.status.white-turn {
  background: #f0f0f0;
  color: #1a1a1a;
  box-shadow: 0 0 0 3px #bbb;
}

.stone-indicator {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  flex-shrink: 0;
}

.black-turn .stone-indicator {
  background: radial-gradient(circle at 35% 30%, #555, #111);
  box-shadow: 1px 2px 3px rgba(0,0,0,0.5);
}

.white-turn .stone-indicator {
  background: radial-gradient(circle at 35% 30%, #fff, #ccc);
  box-shadow: 1px 2px 3px rgba(0,0,0,0.3);
}

.board-wrapper {
  width: 100%;
  aspect-ratio: 1 / 1;
  max-width: 560px;
}

canvas {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 8px;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(0,0,0,0.5);
}

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 100;
  animation: fadeIn 0.3s ease;
}

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

.modal {
  background: #fff;
  border-radius: 16px;
  padding: 40px 48px;
  text-align: center;
  box-shadow: 0 8px 40px rgba(0,0,0,0.4);
  animation: scaleIn 0.3s ease;
}

.modal-message {
  font-size: 28px;
  font-weight: 800;
  color: #1a1a1a;
  margin-bottom: 24px;
}

.btn-restart {
  padding: 12px 36px;
  font-size: 18px;
  font-weight: 700;
  border: none;
  border-radius: 30px;
  background: #E6A15C;
  color: #fff;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
}

.btn-restart:hover {
  background: #d4903e;
}

.btn-restart:active {
  transform: scale(0.96);
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes scaleIn {
  from { transform: scale(0.85); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

@media (max-width: 480px) {
  .container {
    padding: 12px 8px;
    gap: 12px;
  }
  .status {
    font-size: 16px;
    padding: 8px 18px;
  }
  .modal {
    padding: 28px 24px;
    margin: 0 16px;
  }
  .modal-message {
    font-size: 22px;
  }
}