/* ============================================================
   Chinese Checkers - Styles
   ============================================================ */

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

body {
  font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* ============================================================
   Overlay (Mode Selection, Game Over)
   ============================================================ */

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

.overlay-content {
  background: white;
  border-radius: 20px;
  padding: 40px 50px;
  text-align: center;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  max-width: 500px;
  width: 90%;
}

.game-title {
  font-size: 42px;
  color: #333;
  margin-bottom: 10px;
  font-weight: bold;
}

.subtitle {
  color: #666;
  font-size: 16px;
  margin-bottom: 30px;
}

/* ============================================================
   Button Styles
   ============================================================ */

.mode-buttons {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.btn {
  padding: 15px 30px;
  font-size: 18px;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-weight: bold;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

.btn:active {
  transform: translateY(0);
}

.btn-pvp {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
}

.btn-pve {
  background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  color: white;
}

.btn-restart {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  font-size: 18px;
}

/* ============================================================
   Rock Paper Scissors
   ============================================================ */

#rps-section h2 {
  margin-bottom: 24px;
  color: #333;
}

.rps-player {
  margin-bottom: 20px;
}

.rps-player h3 {
  margin-bottom: 10px;
  font-size: 16px;
  color: #555;
}

.rps-buttons {
  display: flex;
  gap: 10px;
  justify-content: center;
}

.btn-rps {
  background: #fff;
  border: 2px solid #ccc;
  border-radius: 10px;
  padding: 12px 20px;
  font-size: 16px;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-rps:hover {
  border-color: #333;
  background: #f5f5f5;
}

.btn-rps.selected {
  border-color: #ffd600;
  background: #fff9c4;
}

.rps-status {
  margin-top: 8px;
  font-size: 14px;
  color: #888;
}

.rps-result {
  margin-top: 16px;
  font-size: 18px;
  font-weight: bold;
  color: #333;
}

/* ============================================================
   Game Area - Vertical Layout
   ============================================================ */

#game-area {
  padding: 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  max-width: 800px;
}

/* ============================================================
   Status Bar
   ============================================================ */

#status-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  justify-content: center;
  margin-bottom: 16px;
  padding: 12px 20px;
  background: rgba(255, 255, 255, 0.95);
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  width: 100%;
}

.status-item {
  font-size: 15px;
}

.label {
  color: #777;
}

.team-indicator {
  font-weight: bold;
}

.text-red { color: #e53935; }
.text-blue { color: #1565c0; }
.text-green { color: #2e7d32; }
.text-yellow { color: #f9a825; }
.text-purple { color: #7b1fa2; }
.text-orange { color: #ef6c00; }

/* ============================================================
   Main Game Area
   ============================================================ */

#game-main {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  justify-content: center;
}

/* ============================================================
   Board SVG
   ============================================================ */

#board-svg {
  background: #f5f0e1;
  border-radius: 10px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

/* ============================================================
   Piece Styles
   ============================================================ */

.piece {
  cursor: pointer;
  transition: all 0.2s ease;
}

.piece:hover {
  filter: brightness(1.2);
  transform-origin: center;
}

.piece.selected {
  filter: brightness(1.3);
  stroke: #333;
  stroke-width: 3;
}

.piece.valid-move {
  cursor: pointer;
}

/* ============================================================
   Rules Panel
   ============================================================ */

#rules-panel {
  background: rgba(255, 255, 255, 0.95);
  border-radius: 10px;
  padding: 16px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  width: 220px;
  font-size: 13px;
  line-height: 1.6;
}

#rules-panel h3 {
  font-size: 16px;
  margin-bottom: 12px;
  color: #333;
  border-bottom: 2px solid #eee;
  padding-bottom: 8px;
}

.rule-section {
  margin-bottom: 12px;
}

.rule-section h4 {
  font-size: 13px;
  color: #555;
  margin-bottom: 4px;
}

.rule-section ul {
  list-style: none;
  padding-left: 4px;
}

.rule-section li {
  color: #666;
  padding: 1px 0;
}

/* ============================================================
   Message Notifications
   ============================================================ */

#message {
  margin-top: 12px;
  padding: 10px 20px;
  font-size: 15px;
  color: #555;
  text-align: center;
  min-height: 40px;
  background: rgba(255, 255, 255, 0.95);
  border-radius: 8px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.06);
  width: 100%;
  max-width: 480px;
}

#message.error {
  color: #c62828;
  background: rgba(229, 57, 53, 0.1);
}

#message.info {
  color: #1565c0;
  background: rgba(21, 101, 192, 0.1);
}

/* ============================================================
   Game Over
   ============================================================ */

#game-over .overlay-content h2 {
  font-size: 28px;
  margin-bottom: 24px;
}

/* ============================================================
   Responsive Design
   ============================================================ */

@media (max-width: 700px) {
  .overlay-content {
    padding: 24px 16px;
  }

  .game-title {
    font-size: 32px;
  }

  .btn {
    padding: 10px 22px;
    font-size: 16px;
  }

  .mode-buttons {
    flex-direction: column;
    gap: 12px;
  }

  #game-main {
    flex-direction: column;
    align-items: center;
  }

  #rules-panel {
    width: 100%;
    max-width: 480px;
  }

  #status-bar {
    gap: 8px 16px;
    padding: 10px 12px;
  }

  .status-item {
    font-size: 13px;
  }

  .rps-buttons {
    flex-direction: column;
    align-items: center;
  }

  .btn-rps {
    padding: 10px 16px;
    font-size: 14px;
  }
}