/* ========================================
   Live Stream Module — 抖音风格直播
   ======================================== */

/* ─── 直播引导 ─── */
.live-overlay {
  position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.5); display: flex; align-items: center;
  justify-content: center; z-index: 100; opacity: 0; pointer-events: none;
  transition: opacity 0.25s; cursor: pointer;
}
.live-overlay.visible { opacity: 1; pointer-events: auto; }
.live-overlay::before {
  content: '× 点击空白处关闭';
  position: absolute; top: 20px; right: 20px;
  color: rgba(255,255,255,0.7); font-size: 12px;
  opacity: 0; transition: opacity 0.2s;
}
.live-overlay.visible::before { opacity: 1; }
.live-wizard { cursor: default; pointer-events: auto; }
.live-wizard {
  background: #fff; border-radius: 20px; width: 88%; max-width: 360px;
  max-height: 85vh; display: flex; flex-direction: column; overflow: hidden;
}
.live-wizard-header {
  padding: 18px 20px 12px; text-align: center; border-bottom: 1px solid #f0f0f0;
  flex-shrink: 0;
}
.live-wizard-title { font-size: 17px; font-weight: 700; color: #333; }
.live-wizard-step { font-size: 12px; color: #aaa; margin-top: 2px; }
.live-wizard-body { padding: 16px 20px; overflow-y: auto; flex: 1; min-height: 160px; max-height: 50vh; -webkit-overflow-scrolling: touch; display: flex; flex-direction: column; }

/* 等级选择 */
.live-level-grid { display: flex; flex-direction: column; gap: 8px; }
.live-level-card {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 16px; border: 2px solid #eee; border-radius: 14px;
  cursor: pointer; transition: all 0.2s;
}
.live-level-card:hover { border-color: #ddd; background: #fafafa; }
.live-level-card.selected { border-color: var(--primary-color); background: #fff0f5; }
.live-level-dot {
  width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0;
}
.live-level-info { flex: 1; }
.live-level-name { font-size: 14px; font-weight: 600; color: #333; }
.live-level-desc { font-size: 11px; color: #999; margin-top: 2px; }

/* 场景折叠 */
.live-scene-category { border: 1px solid #eee; border-radius: 12px; margin-bottom: 10px; overflow: hidden; }
.live-scene-category summary {
  padding: 12px 14px; font-size: 13px; font-weight: 600; color: #555;
  cursor: pointer; list-style: none; user-select: none;
}
.live-scene-category summary::-webkit-details-marker { display: none; }
.live-scene-category[open] { border-color: #e0e0e0; }
.live-scene-grid {
  display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px;
  padding: 0 12px 12px;
}
.live-scene-item {
  padding: 10px 4px; border: 2px solid #eee; border-radius: 10px;
  text-align: center; font-size: 12px; color: #333; cursor: pointer;
  transition: all 0.15s; line-height: 1.3;
}
.live-scene-item:hover { border-color: #ddd; }
.live-scene-item.selected { border-color: var(--primary-color); background: #fff0f5; }

/* 道具选择 */
.live-prop-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 8px; }
.live-prop-item {
  padding: 12px 4px; border: 2px solid #eee; border-radius: 10px;
  text-align: center; font-size: 12px; color: #333; cursor: pointer;
  transition: all 0.15s;
}
.live-prop-item:hover { border-color: #ddd; }
.live-prop-item.selected { border-color: var(--primary-color); background: #fff0f5; }

/* 引导底部按钮 */
.live-wizard-footer {
  display: flex; gap: 10px; padding: 12px 20px 18px;
  border-top: 1px solid #f0f0f0; flex-shrink: 0;
}
.live-wizard-footer button {
  flex: 1; padding: 12px; border: none; border-radius: 12px;
  font-size: 14px; font-weight: 600; cursor: pointer; transition: transform 0.15s;
}
.live-wizard-footer button:active { transform: scale(0.95); }
.live-wiz-btn-back { background: #eee; color: #666; }
.live-wiz-btn-next { background: var(--primary-color); color: #fff; }
.live-wiz-btn-start { background: #4CAF50; color: #fff; }
.live-wiz-btn-skip { background: #f5f5f5; color: #999; font-size: 12px; }

/* 主播选择 */
.live-host-tabs {
  display: flex; gap: 0; margin-bottom: 16px;
  border-bottom: 2px solid #f0f0f0;
}
.live-host-tab {
  flex: 1; padding: 10px; border: none; background: none;
  font-size: 13px; font-weight: 600; color: #999; cursor: pointer;
  border-bottom: 2px solid transparent; margin-bottom: -2px; transition: all 0.2s;
}
.live-host-tab.active { color: var(--primary-color); border-bottom-color: var(--primary-color); }

.live-host-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; }
.live-host-card {
  padding: 14px 6px; text-align: center; border: 2px solid #eee;
  border-radius: 14px; cursor: pointer; transition: all 0.15s;
}
.live-host-card:hover { border-color: #ddd; }
.live-host-card.selected { border-color: var(--primary-color); background: #fff0f5; }
.live-host-avatar {
  width: 48px; height: 48px; border-radius: 50%; object-fit: cover;
  margin: 0 auto 6px; display: block; background: #f0f0f0;
}
.live-host-name { font-size: 12px; font-weight: 600; color: #333; line-height: 1.3; }
.live-empty-state {
  flex: 1; display: flex; align-items: center; justify-content: center; flex-direction: column;
  text-align: center; color: #999; padding: 30px 0; min-height: 120px; gap: 8px;
}
.live-host-empty {
  grid-column: 1/-1; text-align: center; color: #999; padding: 40px 0; font-size: 13px; min-height: 120px; display: flex; align-items: center; justify-content: center; flex-direction: column; gap: 8px;
}

/* ─── 直播主界面 ─── */
.live-stream {
  position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  z-index: 50; display: none; flex-direction: column;
  background: #111; color: #fff;
}
.live-stream.active { display: flex; }

/* 全屏背景 */
.live-bg {
  position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  background-size: cover; background-position: center;
  z-index: 0;
}

/* 顶栏 */
.live-top-bar {
  position: relative; z-index: 10;
  display: flex; align-items: center; gap: 8px;
  padding: 8px 12px; flex-shrink: 0;
  background: linear-gradient(rgba(0,0,0,0.5), transparent);
}
.live-avatar {
  width: 32px; height: 32px; border-radius: 50%;
  background-size: cover; background-position: center;
  background-color: var(--primary-color);
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; flex-shrink: 0;
}
.live-host-info { flex: 1; min-width: 0; }
.live-host-name-text { font-size: 13px; font-weight: 700; text-shadow: 0 1px 2px rgba(0,0,0,0.8); }
.live-host-tags { display: flex; gap: 4px; margin-top: 1px; }
.live-tag {
  font-size: 9px; padding: 1px 5px; border-radius: 4px;
  background: rgba(0,0,0,0.3);
  text-shadow: 0 1px 2px rgba(0,0,0,0.8);
}
.live-tag.hot { background: #ff4444; }
.live-stat {
  font-size: 11px; display: flex; align-items: center; gap: 4px;
  color: rgba(255,255,255,0.9); white-space: nowrap;
  text-shadow: 0 1px 2px rgba(0,0,0,0.8);
}
.live-dot { width: 5px; height: 5px; border-radius: 50%; background: #ff4444; animation: livePulse 1.5s infinite; }
@keyframes livePulse { 0%,100% { opacity:1; } 50% { opacity:0.3; } }
.live-close-btn {
  background: rgba(255,255,255,0.15); border: none; color: #fff;
  padding: 4px 10px; border-radius: 6px; font-size: 12px; cursor: pointer;
}

/* 弹幕区 — 从下往上叠，透明底叠在背景上 */
.live-danmaku-wrap {
  position: relative; z-index: 5;
  flex: 1; display: flex; flex-direction: column;
  justify-content: flex-end; overflow: hidden;
  padding: 0 12px 8px;
  background: linear-gradient(transparent 25%, rgba(0,0,0,0.15) 60%, rgba(0,0,0,0.45) 100%);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}
.live-danmaku-list {
  overflow-y: auto; display: flex; flex-direction: column;
  gap: 4px; padding: 4px 0;
  scroll-behavior: smooth;
  -webkit-mask-image: linear-gradient(transparent, #000 8px, #000 95%, transparent);
  mask-image: linear-gradient(transparent, #000 8px, #000 95%, transparent);
}
.live-msg {
  font-size: 13px; line-height: 1.5; padding: 3px 8px;
  border-radius: 6px; animation: msgIn 0.25s ease;
  word-break: break-word;
  background: rgba(0,0,0,0.35);
  text-shadow: 0 1px 2px rgba(0,0,0,0.8), 0 0 3px rgba(0,0,0,0.6);
  flex-shrink: 0;
}
.live-msg-story { color: #ff80ab; }
.live-msg-danmaku { color: #fff; }
.live-msg-tip { color: #FFD700; }
.live-msg-gift {
  color: #FFD700; font-size: 15px; font-weight: 700;
  text-align: center; background: rgba(0,0,0,0.4);
  padding: 6px 8px;
  text-shadow: 0 1px 3px rgba(0,0,0,0.9), 0 0 4px rgba(0,0,0,0.7);
}
.live-msg-follow { color: #69F0AE; }

@keyframes msgIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

/* 右侧竖排按钮 */
.live-side-btns {
  position: absolute; right: 8px; bottom: 60px; z-index: 15;
  display: flex; flex-direction: column; gap: 10px;
}
.live-side-btn {
  width: 40px; height: 40px; border-radius: 50%; border: none;
  background: rgba(0,0,0,0.3); color: #fff; font-size: 18px;
  cursor: pointer; display: flex; align-items: center;
  justify-content: center; transition: transform 0.15s, background 0.15s;
  backdrop-filter: blur(4px);
}
.live-side-btn:active { transform: scale(0.85); }
.live-side-btn.generating {
  animation: imgGenSpin 0.8s linear infinite;
  background: rgba(255,100,100,0.5);
}
@keyframes imgGenSpin {
  0% { transform: rotate(0deg); }
  25% { transform: rotate(10deg); }
  75% { transform: rotate(-10deg); }
  100% { transform: rotate(0deg); }
}
.live-side-btn .count {
  position: absolute; top: -4px; right: -4px;
  background: #ff4444; color: #fff; font-size: 9px;
  width: 16px; height: 16px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
}

/* 底部输入栏 */
.live-input-bar {
  position: relative; z-index: 10;
  display: flex; align-items: center; gap: 8px;
  padding: 8px 12px; flex-shrink: 0;
  background: rgba(0,0,0,0.4);
}
.live-input-bar input {
  flex: 1; padding: 8px 14px; border: none; border-radius: 18px;
  background: rgba(255,255,255,0.12); color: #fff; font-size: 13px; outline: none;
}
.live-input-bar input::placeholder { color: rgba(255,255,255,0.35); }
.live-send-btn {
  padding: 8px 16px; border: none; border-radius: 18px;
  background: var(--primary-color); color: #fff; font-size: 13px; font-weight: 600; cursor: pointer;
}

/* ─── 礼物动画 ─── */
.live-gift-overlay {
  position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  z-index: 30; pointer-events: none; overflow: hidden;
}
.live-gift-banner {
  position: absolute; top: 35%; left: 50%; transform: translateX(-50%);
  font-size: 22px; font-weight: 800; color: #FFD700;
  text-shadow: 0 0 20px rgba(255,215,0,0.5), 0 2px 8px rgba(0,0,0,0.5);
  text-align: center; animation: giftBanner 3s ease forwards;
  white-space: nowrap;
}
@keyframes giftBanner {
  0% { opacity: 0; transform: translateX(-50%) scale(0.5) translateY(20px); }
  15% { opacity: 1; transform: translateX(-50%) scale(1.2) translateY(0); }
  25% { transform: translateX(-50%) scale(1) translateY(0); }
  75% { opacity: 1; transform: translateX(-50%) scale(1) translateY(0); }
  100% { opacity: 0; transform: translateX(-50%) scale(1.5) translateY(-30px); }
}
.live-gift-emoji {
  position: absolute; font-size: 24px; animation: giftFloat 2.5s ease-out forwards; pointer-events: none;
}
@keyframes giftFloat {
  0% { opacity: 1; transform: translateY(0) rotate(0deg) scale(0.5); }
  20% { opacity: 1; transform: translateY(-20px) rotate(10deg) scale(1.2); }
  100% { opacity: 0; transform: translateY(-200px) rotate(-20deg) scale(0.8); }
}

/* 点赞飘心 */
.live-like-heart {
  position: absolute; font-size: 24px; animation: heartFloat 1.5s ease-out forwards;
  pointer-events: none; z-index: 20;
}
@keyframes heartFloat {
  0% { opacity: 1; transform: translateY(0) scale(0.5) rotate(-5deg); }
  50% { opacity: 1; transform: translateY(-60px) scale(1.2) rotate(5deg); }
  100% { opacity: 0; transform: translateY(-120px) scale(0.8) rotate(-5deg); }
}

/* 加载 */
.live-loading {
  text-align: center; padding: 40px 0; color: rgba(255,255,255,0.4); font-size: 13px;
}

/* ─── 结算弹窗 ─── */
.live-settle-overlay {
  position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.6); display: flex; align-items: center;
  justify-content: center; z-index: 200; opacity: 0; pointer-events: none;
  transition: opacity 0.3s;
}
.live-settle-overlay.visible { opacity: 1; pointer-events: auto; }
.live-settle-box {
  background: linear-gradient(135deg, #1a1a2e, #16213e);
  border-radius: 20px; padding: 28px 24px; width: 86%; max-width: 320px;
  text-align: center; color: #fff;
  animation: settlePop 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}
@keyframes settlePop { from { transform: scale(0.8); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.live-settle-title { font-size: 20px; font-weight: 700; margin-bottom: 4px; }
.live-settle-sub { font-size: 12px; color: rgba(255,255,255,0.5); margin-bottom: 20px; }
.live-settle-coin { font-size: 44px; font-weight: 800; color: #FFD700; margin-bottom: 20px; text-shadow: 0 0 20px rgba(255,215,0,0.4); }
.live-settle-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 20px; }
.live-settle-stat { background: rgba(255,255,255,0.08); border-radius: 10px; padding: 10px 8px; }
.live-settle-stat-val { font-size: 18px; font-weight: 700; }
.live-settle-stat-lbl { font-size: 10px; color: rgba(255,255,255,0.5); margin-top: 2px; }
.live-settle-btn {
  width: 100%; padding: 14px; border: none; border-radius: 14px;
  background: linear-gradient(135deg, #FFD700, #FFA500); color: #1a1a2e;
  font-size: 16px; font-weight: 700; cursor: pointer;
}
.live-settle-btn:active { transform: scale(0.95); }

/* ─── 背景切换（已移入侧边按钮列） ─── */
.live-bg-toggle-btn { font-size: 15px; opacity: 0.7; }
.live-bg-toggle-btn:hover { opacity: 1; }

/* 纯背景模式（隐藏所有 UI，保留切换按钮） */
.live-stream.bg-only .live-top-bar,
.live-stream.bg-only .live-danmaku-wrap,
.live-stream.bg-only .live-input-bar { opacity: 0; pointer-events: none; }
.live-stream.bg-only .live-side-btn:not(.live-bg-toggle-btn) { opacity: 0; pointer-events: none; }
.live-stream.bg-only .live-bg-toggle-btn { opacity: 1; pointer-events: auto; z-index: 100; }