/* ==========================================================================
   原创帆船绕标航行游戏样式表 (Sailboat Slalom Bay)
   海湾水域全宽排版 + 航海仪器面板 + 触控操舵控制器
   ========================================================================== */

.game-bay-section {
  position: relative;
  width: 100%;
  background: linear-gradient(180deg, #E8F4F8 0%, #D8ECF4 50%, #E2F0F7 100%);
  border-top: 1px solid var(--border-line);
  border-bottom: 1px solid var(--border-line);
  padding: 60px 0;
  overflow: hidden;
}

.game-bay-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 32px;
  padding: 0 20px;
}

.game-bay-title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 300;
  letter-spacing: 0.12em;
  color: var(--text-main);
  margin-bottom: 10px;
}

.game-bay-subtitle {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* 游戏海湾主舞台容器 */
.game-viewport-card {
  position: relative;
  max-width: 960px;
  margin: 0 auto;
  background: #C4DEED;
  border: 2px solid #9BBFD5;
  border-radius: var(--radius-lg);
  box-shadow: 0 16px 40px rgba(53, 78, 91, 0.16);
  overflow: hidden;
  user-select: none;
  -webkit-user-select: none;
}

/* 航海仪表抬头显示器 (HUD Bar) */
.game-hud-bar {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border-line);
  padding: 12px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  z-index: 10;
}

.hud-group {
  display: flex;
  align-items: center;
  gap: 20px;
}

.hud-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.hud-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
}

.hud-value {
  font-family: var(--font-num);
  font-size: 1.15rem;
  color: var(--text-main);
  font-weight: 600;
}

.hud-hearts {
  display: flex;
  gap: 4px;
}

.hud-heart {
  font-size: 1.25rem;
  color: #E25C5C;
  transition: transform 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.2s ease;
}

.hud-heart.lost {
  opacity: 0.25;
  filter: grayscale(1);
  transform: scale(0.85);
}

.hud-controls-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

.hud-btn {
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid var(--border-line);
  color: var(--text-main);
  padding: 6px 14px;
  border-radius: 20px;
  font-family: var(--font-heading);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}

.hud-btn:hover {
  background: var(--color-blue);
  color: var(--text-main);
  transform: translateY(-1px);
}

.hud-btn svg {
  width: 14px;
  height: 14px;
}

/* 游戏 Canvas 区域 */
.game-canvas-wrapper {
  position: relative;
  width: 100%;
  height: 480px;
  background-color: #B2D7EB;
  cursor: grab;
}

#sailboatGameCanvas {
  display: block;
  width: 100%;
  height: 100%;
}

/* 移动端触控控制器 (左右按住转向) */
.game-touch-controls {
  position: absolute;
  bottom: 16px;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  padding: 0 24px;
  pointer-events: none;
  z-index: 15;
}

.touch-steer-btn {
  pointer-events: auto;
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.82);
  border: 2px solid rgba(53, 78, 91, 0.2);
  box-shadow: 0 4px 16px rgba(53, 78, 91, 0.18);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--text-main);
  cursor: pointer;
  touch-action: none; /* 防止页面滑动 */
  -webkit-touch-callout: none;
  transition: transform 0.1s ease, background 0.15s ease;
}

.touch-steer-btn:active,
.touch-steer-btn.active {
  background: rgba(196, 222, 237, 0.95);
  border-color: var(--color-blue-deep);
  transform: scale(0.92);
}

.touch-steer-btn svg {
  width: 28px;
  height: 28px;
}

.touch-steer-label {
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  font-weight: 600;
  margin-top: 2px;
}

/* 游戏弹窗层：开始、暂停、通关、触礁失败 */
.game-overlay-modal {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(53, 78, 91, 0.55);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 25;
  transition: opacity 0.25s ease;
}

.game-overlay-modal.hidden {
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
}

.game-modal-card {
  background: #FFFFFF;
  border: 2px solid var(--color-blue-deep);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  max-width: 440px;
  width: 90%;
  text-align: center;
  box-shadow: 0 20px 50px rgba(0,0,0,0.25);
  position: relative;
  animation: modalPopIn 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

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

.modal-stamp-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 16px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px dashed var(--color-coral-deep);
  color: var(--color-coral-deep);
  font-size: 1.8rem;
}

.modal-stamp-icon.win {
  border-color: var(--color-seaglass-deep);
  color: var(--color-seaglass-deep);
}

.game-modal-title {
  font-size: 1.55rem;
  font-weight: 300;
  color: var(--text-main);
  margin-bottom: 8px;
  letter-spacing: 0.08em;
}

.game-modal-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 24px;
}

.game-instructions-box {
  background: var(--bg-soft);
  border: 1px solid var(--border-line);
  border-radius: var(--radius-sm);
  padding: 12px;
  margin-bottom: 24px;
  font-size: 0.8rem;
  color: var(--text-muted);
  text-align: left;
}

.instruction-line {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

.instruction-line:last-child {
  margin-bottom: 0;
}

.instruction-key {
  padding: 2px 6px;
  background: #FFFFFF;
  border: 1px solid var(--border-line);
  border-radius: 4px;
  font-size: 0.72rem;
  font-family: monospace;
  color: var(--text-main);
}

.modal-action-btn {
  width: 100%;
  padding: 12px 24px;
  background: linear-gradient(135deg, var(--text-main), #476878);
  color: #FFFFFF;
  border: none;
  border-radius: 30px;
  font-size: 0.92rem;
  letter-spacing: 0.1em;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.modal-action-btn:hover {
  background: var(--color-coral-deep);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(212, 123, 106, 0.35);
}

/* 航行通告浮动小标条 */
.game-bottom-legend {
  padding: 12px 20px;
  background: rgba(255, 255, 255, 0.7);
  border-top: 1px solid var(--border-line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.76rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 10px;
}

.legend-buoys {
  display: flex;
  align-items: center;
  gap: 16px;
}

.buoy-indicator {
  display: flex;
  align-items: center;
  gap: 6px;
}

.buoy-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 1px solid rgba(0,0,0,0.2);
}

.buoy-dot.port {
  background: #E55353; /* 左舷红浮标 */
}

.buoy-dot.starboard {
  background: #2EB872; /* 右舷绿浮标 */
}

@media (max-width: 640px) {
  .game-canvas-wrapper {
    height: 420px;
  }
  .game-hud-bar {
    padding: 10px 14px;
    flex-wrap: wrap;
    gap: 8px;
  }
  .hud-group {
    gap: 12px;
  }
  .touch-steer-btn {
    width: 62px;
    height: 62px;
  }
  .game-bottom-legend {
    flex-direction: column;
    align-items: flex-start;
  }
}