/**
 * @file        main.css
 * @module      BubbleShooter / CSS
 * @description 泡泡龙游戏主样式 — 所有样式通过全局 CSS 变量继承
 * @handoff     配合 games/bubble-shooter/index.html 使用
 */

/* ==============================================================
   Bubble Shooter 游戏容器 — 居中布局
   ============================================================== */
#bubble-game {
  display: none; /* Hub 切换时改为 flex */
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100dvh;
  width: 100%;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}

/* ==============================================================
   游戏容器
   ============================================================== */
.bubble-container {
  position: relative;
  margin: 0 auto;
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-md);
  background: var(--color-grid-bg);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
  width: 100%;
  max-width: 520px;
}

/* ==============================================================
   信息面板
   ============================================================== */
.bubble-info-panel {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
  gap: 6px;
}

.bubble-score-box {
  background: var(--color-cell-bg);
  border-radius: var(--border-radius-md);
  padding: 4px 16px;
  text-align: center;
  min-width: 72px;
}

.bubble-score-label {
  font: var(--font-score-label);
  color: var(--color-text-light);
  text-transform: uppercase;
  display: block;
}

.bubble-score-value {
  font: var(--font-score-value);
  color: var(--color-text-light);
  display: block;
}

.bubble-combo-box {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border-radius: var(--border-radius-md);
  padding: 4px 14px;
  text-align: center;
  min-width: 64px;
  position: relative;
  overflow: hidden;
}

.bubble-combo-label {
  font-size: 10px;
  font-weight: 400;
  color: var(--color-text-light);
  text-transform: uppercase;
  display: block;
  line-height: 1.2;
  opacity: 0.85;
}

.bubble-combo-value {
  font-size: clamp(22px, 5vw, 32px);
  font-weight: 800;
  color: var(--color-text-light);
  display: block;
  line-height: 1.2;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

/* ==============================================================
   游戏画板
   ============================================================== */
.bubble-board {
  position: relative;
  display: block;
  border-radius: var(--border-radius-md);
  border: 2px solid var(--color-grid-bg);
  background: var(--color-canvas-bg);
  width: 100%;
  max-width: 480px;
  height: calc(100vw * var(--bubble-board-aspect, 1.5));
  max-height: 720px;
  overflow: hidden;
  margin: 0 auto;
  touch-action: none; /* 防止浏览器手势截获触控 */
}

/* ==============================================================
   泡泡 DOM 元素
   ============================================================== */
.bubble {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}

.bubble-highlight {
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, rgba(255,255,255,0.55) 0%, transparent 70%);
  pointer-events: none;
}

.bubble-blush {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 150, 150, 0.2);
  pointer-events: none;
}

/* ==============================================================
   发射器
   ============================================================== */
.bubble-shooter {
  position: absolute;
  bottom: 45px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
}

/* 瞄准线（由下方 .bubble-aim-line 定义覆盖） */

/* ==============================================================
   瞄准线（实线 + 虚线叠加），亮暗底色均可见
   ============================================================== */
.bubble-aim-line {
  position: absolute;
  bottom: 60px;
  left: 50%;
  width: 2px;
  background: linear-gradient(to top, rgba(80,80,80,0.8) 0%, rgba(80,80,80,0.3) 80%, transparent 100%);
  transform-origin: bottom center;
  pointer-events: none;
  filter: drop-shadow(0 0 3px rgba(255,255,255,0.6));
}

.bubble-aim-dash {
  position: absolute;
  bottom: 60px;
  left: 50%;
  height: 600px;
  width: 2px;
  background: repeating-linear-gradient(
    to top,
    rgba(80, 80, 80, 0.5) 0px,
    rgba(80, 80, 80, 0.5) 8px,
    transparent 8px,
    transparent 16px
  );
  transform-origin: bottom center;
  pointer-events: none;
  filter: drop-shadow(0 0 3px rgba(255,255,255,0.5));
}

/* ==============================================================
   压力指示器
   ============================================================== */
.bubble-pressure {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-top: 6px;
  padding: 0 4px;
}

.bubble-pressure-label {
  font-size: 11px;
  color: var(--color-text-light);
  opacity: 0.5;
  font-weight: 600;
  min-width: 32px;
  text-align: right;
}

.bubble-pressure-track {
  flex: 1;
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
  overflow: hidden;
}

.bubble-pressure-fill {
  height: 100%;
  width: 0%;
  border-radius: 3px;
  background: linear-gradient(90deg, #00c853, #ffd600, #ff1744);
  transition: width 0.3s var(--ease-out-expo);
}

/* ==============================================================
   危险闪烁
   ============================================================== */
.bubble-danger-flash {
  position: absolute;
  inset: 0;
  border-radius: var(--border-radius-md);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s;
  background: radial-gradient(ellipse at 50% 0%, var(--color-danger-glow), transparent 70%);
  z-index: 5;
}

/* ==============================================================
   浮动分数
   ============================================================== */
.bubble-score-float {
  position: absolute;
  z-index: 25;
  font-size: 20px;
  font-weight: 800;
  pointer-events: none;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
  color: #ffd700;
}

/* ==============================================================
   遮罩层（开始/暂停/结束/主题）
   ============================================================== */
.bubble-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 20;
  border-radius: var(--border-radius-md);
  background: var(--color-overlay);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s var(--ease-smooth);
}

.bubble-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.bubble-overlay-inner {
  text-align: center;
  padding: clamp(16px, 4vw, 40px);
}

.bubble-overlay-title {
  font: var(--font-title);
  color: var(--color-text-dark);
  margin-bottom: var(--spacing-sm);
}

.bubble-overlay-title.is-danger {
  color: var(--color-danger);
}

.bubble-overlay-score {
  font-size: clamp(24px, 6vw, 40px);
  font-weight: 700;
  color: var(--color-text-dark);
  margin: var(--spacing-sm) 0;
}

.bubble-overlay-desc {
  font-size: clamp(13px, 2.5vw, 16px);
  opacity: 0.7;
  color: var(--color-text-dark);
  margin-bottom: var(--spacing-lg);
}

/* ==============================================================
   移动端虚拟按钮
   ============================================================== */
.bubble-mobile-controls {
  display: none;
  justify-content: center;
  gap: 16px;
  margin-top: 10px;
  position: relative;
  z-index: 30;
  pointer-events: auto;
}

@media (pointer: coarse) {
  .bubble-mobile-controls {
    display: flex;
  }
}

.bubble-mc-btn {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 2px solid var(--color-cell-bg);
  background: var(--color-grid-bg);
  color: var(--color-text-light);
  font-size: 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, transform 0.1s;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  touch-action: none;
}

.bubble-mc-btn:active {
  opacity: 0.8;
  transform: scale(0.9);
}

.bubble-mc-btn.is-fire {
  width: 60px;
  height: 60px;
  background: var(--color-primary);
  border-color: var(--color-primary);
  font-size: 22px;
}

/* ==============================================================
   响应式
   ============================================================== */
@media (max-width: 768px) {
  .bubble-container { padding: var(--spacing-md); }
  .bubble-board { max-width: 100%; height: calc(100vw * var(--bubble-board-aspect, 1.5)); max-height: min(75dvh, 720px); }
  .bubble-score-box { min-width: 56px; padding: 3px 10px; }
  .bubble-combo-box { min-width: 48px; padding: 3px 8px; }
}

@media (max-width: 480px) {
  .bubble-container { padding: var(--spacing-sm); }
  .bubble-score-box { min-width: 48px; padding: 2px 8px; }
  .bubble-score-label { font-size: 9px; }
  .bubble-combo-box { min-width: 40px; padding: 2px 6px; }
  .bubble-combo-label { font-size: 8px; }
  .bubble-mc-btn { width: 48px; height: 48px; font-size: 17px; }
  .bubble-mc-btn.is-fire { width: 54px; height: 54px; font-size: 19px; }
}

@media (max-width: 375px) {
  .bubble-container { padding: 6px; border-radius: var(--border-radius-sm); }
  .bubble-score-box { min-width: 40px; padding: 2px 6px; }
  .bubble-mc-btn { width: 44px; height: 44px; font-size: 15px; }
  .bubble-mc-btn.is-fire { width: 50px; height: 50px; font-size: 17px; }
}