/* 免费演出雷达（free_show）样式 */
:root {
  --bg-deep: #0d0d13;
  --bg-card: #1a1a24;
  --bg-elevated: #2a2a38;
  --border: #3d3d52;
  --text-primary: #ffffff;
  --text-secondary: #b8b8cc;
  --text-muted: #9090aa;
  --showstart: #ff4757;
  --showstart-glow: rgba(255,71,87,0.15);
  --maoyan: #ffc312;
  --maoyan-glow: rgba(255,195,18,0.12);
  --damai: #f97316;
  --damai-glow: rgba(249,115,22,0.12);
  --free: #00e676;
  --free-glow: rgba(0,230,118,0.2);
}

/* 页面底色：本工具为暗黑主题，必须自带 body 背景/文字色，
   否则浏览器默认白底 + 黑字会导致深色卡片上标题不可读 */
html, body { background: var(--bg-deep); }
body { color: var(--text-primary); }

.fs-app { position: relative; z-index: 1; max-width: 960px; margin: 0 auto; padding: 0 16px; }

/* Header */
.fs-header {
  padding: 32px 0 20px;
  display: flex;
  align-items: baseline;
  gap: 12px;
}
.fs-header h1 {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--text-primary);
}
.fs-header .tagline {
  font-size: 13px;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

/* Tab bar */
.fs-tab-bar {
  display: flex;
  gap: 4px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 4px;
  margin-bottom: 20px;
  position: relative;
}
.fs-tab-btn {
  flex: 1;
  padding: 12px 16px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  border-radius: 9px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.fs-tab-btn .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  transition: all 0.3s;
}
.fs-tab-btn[data-tab="showstart"] .dot { background: var(--showstart); }
.fs-tab-btn[data-tab="maoyan"] .dot { background: var(--maoyan); }
.fs-tab-btn[data-tab="damai"] .dot { background: var(--damai); }
.fs-tab-btn:hover { color: var(--text-primary); }
.fs-tab-btn.active {
  color: var(--text-primary);
  background: var(--bg-elevated);
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}
.fs-tab-btn.active[data-tab="showstart"] { box-shadow: 0 2px 12px var(--showstart-glow); }
.fs-tab-btn.active[data-tab="maoyan"] { box-shadow: 0 2px 12px var(--maoyan-glow); }
.fs-tab-btn.active[data-tab="damai"] { box-shadow: 0 2px 12px var(--damai-glow); }

/* Controls */
.fs-controls {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 20px;
  padding: 14px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
}
.fs-controls select, .fs-controls input {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 8px 12px;
  border-radius: 7px;
  font-size: 13px;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s;
}
.fs-controls select:focus, .fs-controls input:focus { border-color: var(--text-muted); }
.fs-controls input[type="number"] { width: 70px; }
.fs-controls label { font-size: 12px; color: var(--text-muted); letter-spacing: 0.5px; }
.fs-btn-fetch {
  margin-left: auto;
  padding: 9px 28px;
  border: none;
  border-radius: 7px;
  font-size: 13px;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  color: #fff;
  transition: all 0.2s;
  letter-spacing: 0.3px;
}
.fs-btn-fetch[data-platform="showstart"] { background: var(--showstart); }
.fs-btn-fetch[data-platform="maoyan"] { background: var(--maoyan); color: #111; }
.fs-btn-fetch[data-platform="damai"] { background: var(--damai); }
.fs-btn-fetch:hover { transform: translateY(-1px); filter: brightness(1.1); }
.fs-btn-fetch:active { transform: translateY(0); }
.fs-btn-fetch:disabled { opacity: 0.4; cursor: not-allowed; transform: none; filter: none; }

/* Status bar */
.fs-status-bar {
  font-size: 12px;
  color: var(--text-muted);
  padding: 8px 0;
  min-height: 30px;
  transition: color 0.3s;
}
.fs-status-bar.error { color: var(--showstart); }
.fs-status-bar .count { color: var(--free); font-weight: 700; font-family: monospace; }

/* Event list */
.fs-section-label {
  font-size: 11px;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  margin: 24px 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 8px;
}
.fs-section-label .num {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-secondary);
}

.fs-event-list { display: flex; flex-direction: column; gap: 8px; }

.fs-event-card {
  display: flex;
  gap: 14px;
  padding: 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  position: relative;
  overflow: hidden;
}
.fs-event-card::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.3s;
  border-radius: 10px;
}
.fs-event-card[data-platform="showstart"]::before { background: linear-gradient(135deg, var(--showstart-glow), transparent 60%); }
.fs-event-card[data-platform="maoyan"]::before { background: linear-gradient(135deg, var(--maoyan-glow), transparent 60%); }
.fs-event-card[data-platform="damai"]::before { background: linear-gradient(135deg, var(--damai-glow), transparent 60%); }
.fs-event-card:hover { border-color: var(--text-muted); transform: translateX(4px); }
.fs-event-card:hover::before { opacity: 1; }

.fs-event-poster {
  width: 64px; height: 84px;
  border-radius: 6px;
  object-fit: cover;
  background: var(--bg-elevated);
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}
.fs-event-body { flex: 1; min-width: 0; position: relative; z-index: 1; }
.fs-event-title {
  font-size: 14px;
  font-weight: 600;
  line-height: 1.5;
  margin-bottom: 6px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.fs-event-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 11px;
  color: var(--text-muted);
}
.fs-event-meta span {
  padding: 2px 7px;
  background: var(--bg-elevated);
  border-radius: 4px;
}
.fs-event-price {
  position: absolute;
  right: 14px;
  top: 14px;
  font-size: 18px;
  font-weight: 700;
  z-index: 1;
}
.fs-event-price.free {
  color: var(--free);
  text-shadow: 0 0 20px var(--free-glow);
}
.fs-event-price.cheap { color: #4ecdc4; }
.fs-event-price.normal { color: var(--text-secondary); }

/* Loading */
.fs-loading-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 60px 20px;
  gap: 16px;
}
.fs-spinner {
  width: 32px; height: 32px;
  border: 3px solid var(--border);
  border-top-color: var(--text-secondary);
  border-radius: 50%;
  animation: fs-spin 0.7s linear infinite;
}
@keyframes fs-spin { to { transform: rotate(360deg); } }
.fs-loading-text { font-size: 13px; color: var(--text-muted); }

/* Empty state */
.fs-empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}
.fs-empty-state .icon { font-size: 40px; margin-bottom: 12px; opacity: 0.5; }
.fs-empty-state p { font-size: 14px; line-height: 1.8; }

/* Animations */
@keyframes fs-fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}
.fs-event-card { animation: fs-fadeUp 0.4s ease both; }
.fs-event-card:nth-child(1) { animation-delay: 0.02s; }
.fs-event-card:nth-child(2) { animation-delay: 0.06s; }
.fs-event-card:nth-child(3) { animation-delay: 0.10s; }
.fs-event-card:nth-child(4) { animation-delay: 0.14s; }
.fs-event-card:nth-child(5) { animation-delay: 0.18s; }
.fs-event-card:nth-child(6) { animation-delay: 0.22s; }
.fs-event-card:nth-child(7) { animation-delay: 0.26s; }
.fs-event-card:nth-child(8) { animation-delay: 0.30s; }

/* Platform badge */
.fs-platform-badge {
  position: absolute;
  left: 14px;
  bottom: 14px;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 3px;
  letter-spacing: 0.5px;
  z-index: 1;
}
.fs-platform-badge.showstart { background: rgba(255,71,87,0.2); color: var(--showstart); }
.fs-platform-badge.maoyan { background: rgba(255,195,18,0.2); color: var(--maoyan); }
.fs-platform-badge.damai { background: rgba(249,115,22,0.2); color: var(--damai); }

/* Footer */
.fs-footer {
  margin-top: 40px;
  padding: 20px 0;
  border-top: 1px solid var(--border);
  font-size: 11px;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.8;
}
.fs-footer a { color: var(--maoyan); text-decoration: none; }
.fs-footer a:hover { text-decoration: underline; }
.fs-footer code {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 5px;
  font-size: 10px;
}

/* 交互详情弹窗（debug 模式） */
.fs-dialog-mask {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
}
.fs-dialog {
  width: min(680px, 92vw);
  max-height: 80vh;
  overflow: auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px 20px;
  color: var(--text-secondary);
  font-size: 12px;
  line-height: 1.8;
}
.fs-dialog h3 {
  color: var(--text-primary);
  font-size: 14px;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.fs-dialog .fs-dialog-close {
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text-secondary);
  border-radius: 6px;
  padding: 2px 10px;
  cursor: pointer;
  font-size: 12px;
}
.fs-dialog pre {
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px;
  white-space: pre-wrap;
  word-break: break-all;
  max-height: 40vh;
  overflow: auto;
  font-size: 11px;
}
.fs-dialog .fs-dialog-actions {
  margin-top: 10px;
  display: flex;
  gap: 8px;
  align-items: center;
}
.fs-dialog .fs-dialog-countdown { color: var(--text-muted); margin-left: auto; }

@media (max-width: 600px) {
  .fs-header h1 { font-size: 22px; }
  .fs-controls { flex-direction: column; align-items: stretch; }
  .fs-btn-fetch { margin-left: 0; }
  .fs-event-price { position: static; margin-top: 8px; }
}