/* ===== wijipedia Design System Tokens ===== */
:root {
  --md-surface: #0d0d0d;
  --md-surface-container: #141414;
  --md-surface-container-high: #1a1a1a;
  --md-surface-container-highest: #1f1f1f;
  --md-outline: #2a2a2a;
  --md-outline-variant: #1a1a1a;
  --md-on-surface: #ddd;
  --md-on-surface-variant: #999;
  --md-on-surface-muted: #555;
  --md-primary: #ff4d4d;
  --md-primary-hover: #ff8080;
  --md-primary-container: rgba(255, 77, 77, 0.12);
  --md-primary-glow: rgba(255, 77, 77, 0.18);
  --md-radius-sm: 8px;
  --md-radius-md: 12px;
  --md-radius-lg: 16px;
  --md-radius-full: 9999px;
  --md-easing-standard: cubic-bezier(0.2, 0, 0, 1);
  --md-easing-emphasized: cubic-bezier(0.05, 0.7, 0.1, 1);
  --md-duration-short: 0.2s;
  --md-duration-medium: 0.3s;
  --md-elevation-1: 0 1px 3px rgba(0, 0, 0, 0.4);
  --md-elevation-2: 0 4px 12px rgba(0, 0, 0, 0.5);
  --md-elevation-3: 0 8px 28px rgba(0, 0, 0, 0.6);
}

*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--md-surface);
  color: var(--md-on-surface);
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ===== 页面头部 ===== */
.live-page {
  min-height: 100vh;
  padding-bottom: 80px;
}
.page-header {
  padding: 48px 60px 24px;
}
.page-header h1 {
  margin: 0;
  font-family: "Cinzel", serif;
  font-size: 28px;
  font-weight: 800;
  color: var(--md-primary);
  letter-spacing: 2px;
}

/* ===== 返回导航 ===== */
.back-nav {
  display: inline-block;
  margin-bottom: 16px;
  color: var(--md-on-surface-muted);
  text-decoration: none;
  font-size: 13px;
  letter-spacing: 0.5px;
  transition: color var(--md-duration-short) var(--md-easing-standard);
}
.back-nav:hover { color: var(--md-primary); }

/* ===== 画廊网格 ===== */
.gallery-container {
  padding: 0 60px 60px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 40px;
}
.no-results {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--md-on-surface-variant);
  padding: 60px 0;
  font-size: 14px;
}

/* ===== Live 卡片 ===== */
.live-card {
  cursor: pointer;
  transition: transform var(--md-duration-medium) var(--md-easing-emphasized);
}
.live-card:hover {
  transform: translateY(-4px);
}

/* ===== Poster 镜面卡片 ===== */
.card-image {
  width: 100%;
  aspect-ratio: 16 / 9;
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  /* 通透渐变底色 */
  background: linear-gradient(135deg, rgba(20, 20, 25, 0.8) 0%, rgba(5, 5, 7, 0.95) 100%);
  /* 玻璃倒角边缘 */
  border: 1px solid rgba(255, 255, 255, 0.06);
  /* 复合阴影：底部投影 + 顶部内侧高光倒角 */
  box-shadow:
    0 10px 24px rgba(0, 0, 0, 0.8),
    inset 0 1px 1px rgba(255, 255, 255, 0.15);
  will-change: filter;
  transition: transform var(--md-duration-medium) var(--md-easing-standard),
              box-shadow var(--md-duration-medium) var(--md-easing-standard);
}
/* 镜面灵魂：对角线折射高光 */
.card-image::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  background: linear-gradient(
    115deg,
    rgba(255, 255, 255, 0.08) 0%,
    rgba(255, 255, 255, 0.03) 34%,
    transparent 35%,
    transparent 100%
  );
}
/* 顶部主题色切割线 + 向下消散光 */
.card-image::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: rgba(var(--theme-rgb), 0.6);
  z-index: 3;
  box-shadow: 0 2px 30px rgba(var(--theme-rgb), 0.12);
}
/* 默认无主题色时隐藏伪元素 */
.card-image:not(.tag-one-man-live):not(.tag-fes):not(.tag-bang-dream)::before,
.card-image:not(.tag-one-man-live):not(.tag-fes):not(.tag-bang-dream)::after {
  display: none;
}
/* One Man Live：暗蓝色 */
.card-image.tag-one-man-live {
  --theme-rgb: 80, 120, 180;
  border-top: 1px solid rgba(80, 120, 180, 0.7);
}
/* Fes：暗金色 */
.card-image.tag-fes {
  --theme-rgb: 180, 150, 80;
  border-top: 1px solid rgba(180, 150, 80, 0.7);
}
/* BanG Dream!：暗紫色 */
.card-image.tag-bang-dream {
  --theme-rgb: 136, 17, 68;
  border-top: 1px solid rgba(136, 17, 68, 0.7);
}
.live-card:hover .card-image {
  transform: scale(1.02);
  border-color: #ff4d4d;
  border-top-color: transparent;
  box-shadow:
    0 0 48px rgba(255, 77, 77, 0.10),
    0 0 80px rgba(255, 77, 77, 0.06),
    0 12px 32px rgba(0, 0, 0, 0.6),
    inset 0 1px 1px rgba(255, 255, 255, 0.15);
}
.card-image img {
  position: relative;
  z-index: 2;
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.5s var(--md-easing-standard), filter 0.5s var(--md-easing-standard);
  filter: grayscale(30%) contrast(1.1);
}
.live-card:hover .card-image img {
  transform: scale(1.05);
  filter: grayscale(0%) contrast(1.1);
}
.card-placeholder {
  width: 100%;
  height: 100%;
  background: var(--md-surface-container-high);
}
.card-info {
  padding: 20px 0;
}
.card-date {
  font-family: "Space Grotesk", monospace, sans-serif;
  color: var(--md-primary);
  font-size: 12px;
  letter-spacing: 2px;
  margin-bottom: 8px;
  font-weight: 600;
}
.card-title {
  font-family: "Cinzel", serif;
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 4px;
  color: var(--md-on-surface);
  line-height: 1.3;
}
.card-venue {
  color: var(--md-on-surface-variant);
  font-size: 13px;
}

.card-meta-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.card-tag {
  color: var(--md-on-surface-variant);
  font-size: 13px;
}

/* ===== 筛选栏 ===== */
.filter-bar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  row-gap: 12px;
  padding: 0 60px;
  margin-bottom: 32px;
  scrollbar-width: none;
}
.filter-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-left: auto;
  flex-shrink: 0;
}
.filter-bar::-webkit-scrollbar { display: none; }
.filter-bar .filter-group {
  display: flex;
  align-items: center;
  gap: 8px;
}
.filter-bar .separator {
  width: 1px;
  height: 18px;
  background-color: rgba(255, 255, 255, 0.12);
  margin: 0 24px;
}
.filter-bar .main-tag {
  font-size: 14px;
  letter-spacing: 1px;
  color: #666;
  display: flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  border: none;
  cursor: pointer;
  font-family: "Space Grotesk", "Noto Sans SC", sans-serif;
  transition: color 0.3s;
  padding: 0;
}
.filter-bar .main-tag:hover { color: #aaa; }
.filter-bar .main-tag.active {
  color: #fff;
  font-weight: bold;
}
.filter-bar .diamond {
  font-size: 12px;
  color: #333;
}
.filter-bar .main-tag.active .diamond {
  color: #ff4d4d;
}

/* 排序按钮 */
.sort-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 9999px;
  background: #141414;
  color: #999;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.2, 0, 0, 1);
  white-space: nowrap;
  font-family: inherit;
  margin-left: auto;
}
.sort-btn:hover {
  border-color: #ff4d4d;
  color: #ddd;
  background: rgba(255, 255, 255, 0.06);
}
.sort-btn .arrow {
  font-size: 10px;
}

/* ===== Song 详情模态框（嵌入） ===== */
.song-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(4px);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--md-duration-medium) var(--md-easing-standard),
              visibility var(--md-duration-medium) var(--md-easing-standard);
  padding: 24px;
}
.song-modal-overlay.open {
  opacity: 1;
  visibility: visible;
}
.song-modal-container {
  display: flex;
  width: 100%;
  max-width: 1000px;
  max-height: 90vh;
  background: var(--md-surface);
  border: 1px solid var(--md-outline);
  border-radius: var(--md-radius-lg);
  overflow: hidden;
  position: relative;
  box-shadow: var(--md-elevation-3);
  will-change: transform;
  transform: translateZ(0);
}
.song-modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  border: 1px solid var(--md-outline);
  border-radius: 50%;
  background: var(--md-surface-container);
  color: var(--md-on-surface-variant);
  font-size: 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  transition: all var(--md-duration-short) var(--md-easing-standard);
  line-height: 1;
}
.song-modal-close:hover {
  border-color: var(--md-primary);
  color: var(--md-primary);
  background: var(--md-primary-container);
}
.song-modal-left {
  width: 340px;
  flex-shrink: 0;
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
  border-right: 1px solid var(--md-outline-variant);
  position: sticky;
  top: 0;
  align-self: flex-start;
  max-height: 90vh;
  overflow-y: visible;
}
.song-modal-left .song-modal-cover {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: var(--md-radius-md);
  margin-bottom: 24px;
  box-shadow: var(--md-elevation-2);
}
.song-modal-title {
  font-family: "Cinzel", serif;
  font-size: 24px;
  font-weight: 800;
  color: var(--md-primary);
  letter-spacing: 1.5px;
  text-align: center;
  margin-bottom: 4px;
}
.song-modal-title-cn {
  font-size: 15px;
  font-weight: 400;
  color: var(--md-on-surface-variant);
  letter-spacing: 0.5px;
  text-align: center;
  margin-bottom: 12px;
}
.song-modal-type {
  display: inline-block;
  padding: 4px 14px;
  border: 1px solid var(--md-primary);
  border-radius: var(--md-radius-full);
  font-size: 11px;
  font-weight: 600;
  color: var(--md-primary);
  letter-spacing: 0.5px;
  margin-bottom: 24px;
}
.song-modal-meta {
  width: 100%;
  font-size: 12px;
  color: var(--md-on-surface-muted);
  line-height: 2.2;
}
.song-meta-label {
  color: var(--md-on-surface-muted);
  margin-right: 4px;
  font-weight: 500;
}
.song-meta-value {
  color: var(--md-on-surface);
}
.song-meta-link {
  color: var(--md-primary);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--md-duration-short) var(--md-easing-standard);
}
.song-meta-link:hover {
  color: var(--md-primary-hover);
  text-decoration: underline;
}
.song-appearances-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 6px;
}
.song-cd-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: #999;
}
.song-cd-icon {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #3a3a3a, #1a1a1a 60%, #0d0d0d);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
  flex-shrink: 0;
  position: relative;
}
.song-cd-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 4px;
  height: 4px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: #0d0d0d;
  box-shadow: 0 0 0 0.5px rgba(255, 255, 255, 0.15);
}
.song-modal-right {
  flex: 1;
  padding: 40px 36px;
  overflow-y: auto;
  max-height: 90vh;
  transform: translateZ(0);
}
.song-modal-right::-webkit-scrollbar {
  width: 4px;
}
.song-modal-right::-webkit-scrollbar-track {
  background: transparent;
}
.song-modal-right::-webkit-scrollbar-thumb {
  background: rgba(255, 77, 77, 0.12);
  border-radius: 2px;
}
.song-modal-right::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 77, 77, 0.25);
}
.song-section-title {
  font-family: "Cinzel", serif;
  font-size: 15px;
  font-weight: 700;
  color: var(--md-primary);
  letter-spacing: 1.5px;
  margin: 0 0 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--md-outline-variant);
}
.song-commentary-block {
  margin-bottom: 36px;
}
.song-commentary-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--md-outline-variant);
}
.song-commentary-header .song-section-title {
  margin: 0;
  padding: 0;
  border: none;
}
.song-comment-tabs {
  display: flex;
  gap: 4px;
  align-items: center;
}
.song-comment-tab {
  font-size: 11px;
  font-family: "Cinzel", serif;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--md-on-surface-variant);
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 4px;
  border-bottom: 2px solid transparent;
  transition: color var(--md-duration-short) var(--md-easing-standard),
              background var(--md-duration-short) var(--md-easing-standard),
              border-color var(--md-duration-short) var(--md-easing-standard);
}
.song-comment-tab:hover {
  color: var(--md-primary-hover);
}
.song-comment-tab.active {
  color: var(--md-primary);
  background: var(--md-primary-container);
  border-bottom-color: var(--md-primary);
}
.song-commentary-body {
  max-height: 220px;
  overflow-y: auto;
  padding-right: 8px;
}
.song-commentary-body::-webkit-scrollbar {
  width: 4px;
}
.song-commentary-body::-webkit-scrollbar-track {
  background: transparent;
}
.song-commentary-body::-webkit-scrollbar-thumb {
  background: rgba(255, 77, 77, 0.12);
  border-radius: 2px;
}
.song-commentary-body::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 77, 77, 0.25);
}
.song-commentary-text {
  background: var(--md-surface-container);
  border-left: 3px solid var(--md-primary);
  padding: 16px 20px;
  border-radius: 0 var(--md-radius-sm) var(--md-radius-sm) 0;
  font-size: 13px;
  color: var(--md-on-surface-variant);
  line-height: 1.85;
  font-style: italic;
}
.song-comment-date {
  font-weight: 700;
  color: var(--md-primary);
  font-size: 12px;
  margin-bottom: 8px;
  font-style: normal;
  letter-spacing: 0.5px;
}
.song-comment-source {
  margin-top: 8px;
  font-style: normal;
}
.song-comment-source a {
  font-size: 11px;
  color: var(--md-primary-hover);
  text-decoration: none;
  font-weight: 600;
  letter-spacing: 0.5px;
  transition: color var(--md-duration-short) var(--md-easing-standard);
}
.song-comment-source a:hover {
  color: var(--md-primary);
  text-decoration: underline;
}
.song-comment-source.is-text {
  font-size: 11px;
  color: var(--md-on-surface-muted);
  font-style: normal;
}
.song-lyrics-block {
  margin-bottom: 36px;
}
.song-lyrics-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--md-outline-variant);
  margin-bottom: 16px;
}
.song-lyrics-actions {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}
.song-lyrics-toggle {
  padding: 5px 14px;
  border: 1px solid var(--md-outline-variant);
  border-radius: var(--md-radius-full);
  font-size: 11px;
  font-weight: 500;
  color: var(--md-on-surface-variant);
  cursor: pointer;
  transition: all var(--md-duration-short) var(--md-easing-standard);
  background: none;
  font-family: inherit;
  white-space: nowrap;
}
.song-lyrics-toggle:hover {
  border-color: var(--md-primary);
  color: var(--md-primary);
}
.song-lyrics-copy {
  display: none;
  padding: 5px 14px;
  border: 1px solid var(--md-outline-variant);
  border-radius: var(--md-radius-full);
  font-size: 11px;
  font-weight: 500;
  color: var(--md-on-surface-variant);
  cursor: pointer;
  transition: all var(--md-duration-short) var(--md-easing-standard);
  background: none;
  font-family: inherit;
  white-space: nowrap;
}
.song-lyrics-copy:hover {
  border-color: var(--md-primary);
  color: var(--md-primary);
}
.song-lyrics-columns {
  max-height: 220px;
  overflow-y: auto;
  padding-right: 8px;
}
.song-lyrics-columns::-webkit-scrollbar {
  width: 4px;
}
.song-lyrics-columns::-webkit-scrollbar-track {
  background: transparent;
}
.song-lyrics-columns::-webkit-scrollbar-thumb {
  background: rgba(255, 77, 77, 0.12);
  border-radius: 2px;
}
.song-lyrics-columns::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 77, 77, 0.25);
}
.song-lyrics-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  padding: 2px 0;
}
.song-lyrics-jp {
  font-size: 13px;
  line-height: 2;
  color: var(--md-on-surface);
}
.song-lyrics-cn {
  font-size: 13px;
  line-height: 2;
  color: var(--md-on-surface-variant);
}
/* 区块 C：Live 演唱履历（与 songs 页面一致的时间线样式） */
.live-block {
  margin-bottom: 36px;
}
.live-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--md-outline-variant);
  margin-bottom: 16px;
}
.live-stats {
  font-size: 11px;
  color: var(--md-on-surface-muted);
  font-weight: 500;
  letter-spacing: 0.5px;
  white-space: nowrap;
  flex-shrink: 0;
}
.live-timeline {
  position: relative;
  max-height: 260px;
  overflow-y: auto;
  padding-right: 8px;
}
.live-timeline::-webkit-scrollbar {
  width: 4px;
}
.live-timeline::-webkit-scrollbar-track {
  background: transparent;
}
.live-timeline::-webkit-scrollbar-thumb {
  background: rgba(255, 77, 77, 0.12);
  border-radius: 2px;
}
.live-timeline::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 77, 77, 0.25);
}
.live-timeline-inner {
  border-left: 2px solid var(--md-outline-variant);
  margin-left: 6px;
  padding-left: 18px;
  padding-top: 4px;
  padding-bottom: 4px;
}
.live-node {
  position: relative;
  padding: 10px 0 10px 20px;
  margin-bottom: 4px;
  border-radius: var(--md-radius-sm);
  transition: background var(--md-duration-short) var(--md-easing-standard);
}
.live-node::before {
  content: "";
  position: absolute;
  left: -23px;
  top: 16px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #333;
  border: 2px solid var(--md-outline-variant);
  transition: background var(--md-duration-short) var(--md-easing-standard);
}
.live-node.has-video::before {
  background: var(--md-primary);
  border-color: var(--md-primary);
  box-shadow: 0 0 6px rgba(255, 77, 77, 0.4);
}
.live-node .live-date {
  font-family: "Space Grotesk", monospace, sans-serif;
  font-size: 11px;
  color: var(--md-on-surface-muted);
  margin-bottom: 2px;
  font-weight: 500;
}
.live-node .live-name {
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  display: inline-block;
  color: var(--md-on-surface-muted);
  cursor: default;
  transition: color var(--md-duration-short) var(--md-easing-standard);
}
.live-node.has-video .live-name {
  color: var(--md-primary);
  cursor: pointer;
}
.live-node.has-video .live-name:hover {
  color: var(--md-primary-hover);
  text-decoration: underline;
}
.live-node.no-video .live-name {
  color: var(--md-on-surface-muted);
  cursor: default;
}
.live-node .live-venue {
  font-size: 11px;
  color: #666;
  margin-top: 2px;
}

/* ===== Live Statistics 入口 ===== */
.live-stats-trigger {
  position: relative;
  padding: 8px 0 8px 11px;
  border: 0;
  border-left: 2px solid var(--md-primary);
  background: transparent;
  color: var(--md-on-surface-variant);
  cursor: pointer;
  font: 600 12px/1 "Cinzel", serif;
  letter-spacing: 0.08em;
  white-space: nowrap;
  transition: color 0.2s ease, text-shadow 0.2s ease;
}
.live-stats-trigger:hover {
  color: #f0eded;
  text-shadow: 0 0 12px rgba(255, 77, 77, 0.35);
}

/* ===== 响应式 ===== */
@media (max-width: 768px) {
  .page-header { padding: 32px 24px 16px; }
  .filter-bar { padding: 0 24px; }
  .filter-actions {
    width: 100%;
    justify-content: flex-end;
    margin-left: 0;
  }
  .gallery-container {
    padding: 0 24px 40px;
    grid-template-columns: 1fr;
    gap: 28px;
  }
}
/* ===== 数据统计浮窗（全屏沉浸式） ===== */
.stats-overlay {
  --stats-red: #e33f46;
  --stats-red-bright: #ff4d55;
  --stats-red-dark: #681f23;
  --stats-text: #e8e5e2;
  --stats-muted: #8e8b89;
  --stats-dim: #555457;
  --stats-line: #292a2d;
  --stats-line-red: rgba(217, 55, 62, 0.42);
  --stats-panel: #0d0e0f;
  --stats-panel-2: #111214;
  --stats-serif: "Cinzel", "Times New Roman", "Noto Serif SC", "Songti SC", serif;
  --stats-mono: "Space Grotesk", "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;

  position: fixed;
  inset: 0;
  background:
    linear-gradient(rgba(255, 255, 255, 0.016) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.016) 1px, transparent 1px),
    radial-gradient(circle at 50% -20%, rgba(142, 25, 32, 0.14), transparent 45%),
    #070808;
  background-size: 52px 52px, 52px 52px, auto, auto;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
  color: var(--stats-text);
}
.stats-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

/* 顶部信息栏 */
.stats-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 30px;
  padding: 30px 48px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  flex-shrink: 0;
}
.stats-title-block { flex: 1; min-width: 0; }
.stats-file-id {
  color: var(--stats-dim);
  font: 12px/1.4 var(--stats-mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.stats-file-id b { color: var(--stats-red); font-weight: 500; }
.stats-title-block h2 {
  margin: 8px 0 4px;
  font: 600 clamp(26px, 4vw, 44px) / 1 var(--stats-serif);
  color: var(--stats-red);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.stats-subtitle {
  color: var(--stats-muted);
  font: 12px/1.5 var(--stats-mono);
  letter-spacing: 0.18em;
}
.stats-close {
  background: none;
  border: none;
  color: #888;
  font-size: 34px;
  cursor: pointer;
  transition: color 0.2s;
  line-height: 1;
  padding: 0;
  align-self: flex-start;
}
.stats-close:hover { color: var(--stats-red-bright); }

/* 筛选 + 视图标签栏 */
.stats-control-deck {
  display: flex;
  justify-content: space-between;
  gap: 22px;
  align-items: center;
  padding: 13px 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  flex-shrink: 0;
  flex-wrap: wrap;
}
.stats-filters, .stats-tabs { display: flex; flex-wrap: wrap; gap: 8px; }
.stats-chip, .stats-tab {
  border: 1px solid var(--stats-line);
  background: rgba(12, 13, 14, 0.88);
  color: var(--stats-muted);
  padding: 9px 13px;
  cursor: pointer;
  font: 12px/1 var(--stats-mono);
  letter-spacing: 0.08em;
  transition: 0.2s ease;
  white-space: nowrap;
}
.stats-chip:hover, .stats-tab:hover { border-color: var(--stats-line-red); color: var(--stats-text); }
.stats-chip.active, .stats-tab.active {
  border-color: var(--stats-red);
  color: #fff;
  background: rgba(141, 29, 35, 0.18);
}
.stats-chip.active::before, .stats-tab.active::before { content: "◆"; color: var(--stats-red); margin-right: 7px; font-size: 9px; }
.stats-tab { font: 12px/1.5 var(--stats-serif); letter-spacing: 0.04em; }

/* 内容滚动区 */
.stats-body {
  flex: 1;
  overflow-y: auto;
  padding: 0 48px 60px;
  -webkit-overflow-scrolling: touch;
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}
.stats-body::-webkit-scrollbar { width: 6px; }
.stats-body::-webkit-scrollbar-track { background: transparent; }
.stats-body::-webkit-scrollbar-thumb { background: rgba(227, 63, 70, 0.4); border-radius: 3px; }
.stats-body { scrollbar-width: auto; scrollbar-color: rgba(227, 63, 70, 0.4) transparent; }

.stats-view { display: none; animation: stats-enter 0.28s ease; }
.stats-view.active { display: block; }
@keyframes stats-enter { from { opacity: 0; transform: translateY(6px); } }

.stats-loading, .stats-empty-note {
  color: var(--stats-dim);
  font: 13px/1.6 var(--stats-mono);
  padding: 40px 0;
}
.stats-empty-note { list-style: none; }

/* 概要指标 */
.metric-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin: 24px 0 28px; }
.metric {
  min-height: 142px; padding: 20px; border: 1px solid var(--stats-line);
  background: linear-gradient(145deg, var(--stats-panel-2), #0a0b0c);
  position: relative; overflow: hidden;
}
.metric::after { content: ""; position: absolute; right: -35px; bottom: -60px; width: 120px; height: 120px; border: 1px solid rgba(227, 63, 70, 0.12); transform: rotate(45deg); }
.metric-label { color: var(--stats-muted); font: 13px/1.5 var(--stats-serif); letter-spacing: 0.06em; }
.metric-value { margin: 18px 0 5px; font: 600 32px/1 var(--stats-serif); letter-spacing: 0.02em; overflow-wrap: anywhere; }
.metric-value.red { color: var(--stats-red-bright); }
.metric-value--title { font-size: 19px; line-height: 1.25; }
.metric-note { color: var(--stats-dim); font: 12px/1.45 var(--stats-mono); }

/* 区块 */
.section {
  margin: 16px 0; padding: 24px; border: 1px solid var(--stats-line);
  background: rgba(12, 13, 14, 0.92);
}
.section-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 20px; margin-bottom: 22px; }
.kicker { color: var(--stats-red); font: 11px/1.4 var(--stats-serif); letter-spacing: 0.12em; margin-bottom: 9px; }
.section h2 {
  margin: 0; font: 500 23px/1.2 var(--stats-serif); letter-spacing: 0.04em;
}
.section-note { max-width: 520px; color: var(--stats-dim); font: 12px/1.55 var(--stats-mono); text-align: right; }

.two-col { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 14px; align-items: start; }
.equal { grid-template-columns: 1fr 1fr; }

/* 柱状图 */
.bars { display: grid; gap: 13px; }
.bar-row { display: grid; grid-template-columns: minmax(160px, 250px) 1fr 38px; align-items: center; gap: 14px; }
.bar-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 14px; }
.bar-track { height: 5px; background: #222326; }
.bar-fill { height: 100%; background: linear-gradient(90deg, var(--stats-red-dark), var(--stats-red-bright)); transform-origin: left; animation: stats-grow 0.7s ease; }
@keyframes stats-grow { from { transform: scaleX(0); } }
.bar-count, .count { color: var(--stats-red-bright); font: 13px/1 var(--stats-mono); text-align: right; }

/* 双列表 */
.split-list { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.section h3 { margin: 0 0 13px; color: #c9c5c2; font: 13px/1.4 var(--stats-serif); letter-spacing: 0.05em; }
.data-list { list-style: none; padding: 0; margin: 0; }
.data-list li { display: grid; grid-template-columns: 1fr auto; gap: 12px; padding: 10px 0; border-top: 1px solid #202124; font-size: 14px; }
.data-list li:first-child { border-top-color: var(--stats-line-red); }
.data-list small { display: block; color: var(--stats-dim); margin-top: 5px; font: 11px/1.3 var(--stats-mono); }
.combo-arrow { color: var(--stats-red); }

/* 纪录卡片 */
.records { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--stats-line); border: 1px solid var(--stats-line); }
.record { min-height: 150px; padding: 19px; background: var(--stats-panel); }
.record-index { color: var(--stats-red); font: 10px/1 var(--stats-mono); }
.record strong { display: block; margin: 22px 0 8px; font: 500 18px/1.25 var(--stats-serif); }
.record span { color: var(--stats-muted); font: 12px/1.5 var(--stats-mono); }

/* 热力图 */
.heatmap-wrap { overflow-x: auto; padding-bottom: 6px; }
.heatmap { min-width: 680px; display: grid; grid-template-columns: 60px repeat(12, 1fr); gap: 6px; align-items: center; }
.heatmap .label { color: var(--stats-dim); font: 10px/1 var(--stats-mono); text-align: center; }
.heatmap .year { color: var(--stats-muted); font: 12px/1 var(--stats-mono); }
.heat { height: 23px; border: 1px solid #222326; background: #111214; }
.l1 { background: #281417; border-color: #3b1b1f; }
.l2 { background: #542026; border-color: #6b252c; }
.l3 { background: #8e2b32; border-color: #a8323a; }
.l4 { background: #dd3c44; border-color: #f04a52; box-shadow: 0 0 12px rgba(227, 63, 70, 0.18); }

/* 矩阵 */
.matrix-tools { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 15px; }
.matrix-tools .stats-file-id { white-space: nowrap; }
.legend { display: flex; flex-wrap: wrap; gap: 14px; color: var(--stats-dim); font: 12px/1.5 var(--stats-serif); }
.legend b { color: var(--stats-red-bright); font-weight: 500; }
.legend .swt { display: inline-block; width: 11px; height: 11px; margin-right: 3px; vertical-align: -1px; border-radius: 2px; }
.legend .swt-open { background-image: repeating-linear-gradient(45deg, rgba(255, 77, 85, 0.7) 0 2px, transparent 2px 6px); }
.legend .swt-close { background-image: repeating-linear-gradient(135deg, rgba(255, 255, 255, 0.6) 0 2px, transparent 2px 6px); border: 1px solid rgba(255, 255, 255, 0.35); }
.matrix-scroll { overflow-x: auto; border: 1px solid var(--stats-line); background: #090a0b; }
.matrix { width: 100%; border-collapse: collapse; min-width: 1180px; table-layout: fixed; }
.matrix th, .matrix td { border-right: 1px solid #202124; border-bottom: 1px solid #202124; }
.matrix th { height: 92px; padding: 10px 6px; color: var(--stats-dim); font: 10px/1.25 var(--stats-mono); vertical-align: bottom; }
.matrix th:not(:first-child) { writing-mode: vertical-rl; transform: rotate(180deg); }
.matrix th:first-child, .matrix td:first-child { position: sticky; left: 0; z-index: 3; width: 255px; background: #0d0e0f; text-align: left; }
.matrix th:first-child { padding: 14px; writing-mode: initial; transform: none; }
.matrix td { height: 42px; text-align: center; color: var(--stats-dim); font: 12px/1 var(--stats-mono); }
.matrix td:first-child { padding: 0 14px; color: #c9c6c3; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.matrix .played { background: rgba(116, 31, 36, 0.22); color: #ddd5d2; }
.matrix .debut { background: var(--stats-red); color: #fff; font-weight: 700; }
.matrix .opener { background-image: repeating-linear-gradient(45deg, rgba(255, 77, 85, 0.5) 0 2px, transparent 2px 7px); }
.matrix .closer { background-image: repeating-linear-gradient(135deg, rgba(255, 255, 255, 0.32) 0 2px, transparent 2px 7px); }
.matrix .opener.closer { background-image: repeating-linear-gradient(45deg, rgba(255, 77, 85, 0.5) 0 2px, transparent 2px 7px), repeating-linear-gradient(135deg, rgba(255, 255, 255, 0.32) 0 2px, transparent 2px 7px); }
.matrix .repeated { font-size: 10px; font-weight: 700; letter-spacing: -0.4px; box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.28); }

/* 对比 */
.select-row { display: grid; grid-template-columns: 1fr 44px 1fr; align-items: end; gap: 16px; margin-bottom: 22px; }
.select-row label { display: block; color: var(--stats-dim); font: 11px/1.4 var(--stats-serif); letter-spacing: 0.05em; }
.select-row select { width: 100%; margin-top: 9px; padding: 12px 42px 12px 13px; color: var(--stats-text); border: 1px solid var(--stats-line); background: #0b0c0d; font: 13px/1.3 var(--stats-mono); }
.select-row select option.stats-compare-anchor { color: #fff; background: rgba(126, 28, 36, 0.72); font-weight: 700; }
.select-row label:last-of-type select { border-color: rgba(156, 44, 51, 0.5); box-shadow: inset 0 0 18px rgba(126, 28, 36, 0.08); }
.versus { color: var(--stats-red); font: 16px/43px var(--stats-serif); text-align: center; }
.comparison-metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 9px; margin-bottom: 18px; }
.mini-metric { padding: 15px; border: 1px solid var(--stats-line); background: #0a0b0c; }
.mini-metric b { display: block; color: var(--stats-red-bright); font: 24px/1 var(--stats-serif); }
.mini-metric span { display: block; margin-top: 7px; color: var(--stats-dim); font: 11px/1.4 var(--stats-serif); letter-spacing: 0.04em; }
.compare-columns { display: grid; grid-template-columns: 1fr 1.2fr 1fr; gap: 10px; }
.compare-col { padding: 17px; border: 1px solid var(--stats-line); min-height: 245px; }
.compare-col.common { border-color: var(--stats-line-red); background: rgba(91, 21, 26, 0.1); }
.compare-col ul { margin: 0; padding-left: 18px; color: #bbb7b5; font-size: 14px; line-height: 1.7; }
.compare-col li small { color: var(--stats-dim); font: 11px/1.3 var(--stats-mono); margin-left: 6px; }

/* Release → Debut 表 */
.debut-table { min-width: 760px; width: 100%; border-collapse: collapse; }
.debut-table th { padding: 12px; color: var(--stats-dim); font: 10px/1.3 var(--stats-mono); text-align: left; border-bottom: 1px solid #202124; }
.debut-table td { padding: 14px 12px; font-size: 14px; border-bottom: 1px solid #202124; }
.debut-table .delta { font: 12px/1 var(--stats-mono); color: #bbb; }
.debut-table .early { color: var(--stats-red-bright); }
.debut-table .never { color: var(--stats-dim); }
.timeline-cell { width: 32%; }
.time-track { position: relative; height: 5px; background: #242528; }
.time-track::before { content: ""; position: absolute; left: 48%; top: -6px; width: 1px; height: 17px; background: #676367; }
.time-fill { position: absolute; top: 0; height: 5px; background: var(--stats-red); }

/* Streak */
.streak-list { display: grid; gap: 11px; }
.streak-row { display: grid; grid-template-columns: minmax(210px, 1fr) 130px 2fr; gap: 18px; align-items: center; padding: 12px 0; border-top: 1px solid #202124; }
.streak-row:first-child { border-top-color: var(--stats-line-red); }
.streak-name { font-size: 14px; }
.streak-number { color: var(--stats-muted); font: 12px/1.3 var(--stats-mono); }
.streak-number b { color: var(--stats-red-bright); font-weight: 600; }
.streak-track { display: grid; gap: 3px; min-width: 0; }
.streak-track i { display: block; height: 17px; background: #1c1d20; border: 1px solid #25262a; }
.streak-track i.on { background: var(--stats-red-dark); border-color: #8f2d34; }
.streak-track i.hot { background: var(--stats-red); border-color: var(--stats-red-bright); box-shadow: 0 0 8px rgba(227, 63, 70, 0.25); }

/* 响应式 */
@media (max-width: 960px) {
  .stats-header, .stats-control-deck { align-items: flex-start; flex-direction: column; padding-left: 22px; padding-right: 22px; }
  .stats-body { padding: 0 22px 50px; }
  .metric-grid, .records { grid-template-columns: repeat(2, 1fr); }
  .two-col, .equal { grid-template-columns: 1fr; }
  .section-note { text-align: left; }
  .streak-row { grid-template-columns: 1fr 100px; }
  .streak-track { grid-column: 1 / -1; }
}
@media (max-width: 620px) {
  .stats-header, .stats-control-deck { padding-left: 14px; padding-right: 14px; }
  .stats-body { padding: 0 14px 40px; }
  .metric-grid, .records, .comparison-metrics { grid-template-columns: 1fr 1fr; }
  .metric { min-height: 125px; padding: 16px; }
  .section { padding: 18px 14px; }
  .section-head, .matrix-tools { align-items: flex-start; flex-direction: column; }
  .split-list, .compare-columns { grid-template-columns: 1fr; }
  .select-row { grid-template-columns: 1fr; }
  .versus { line-height: 1; }
  .bar-row { grid-template-columns: minmax(110px, 155px) 1fr 28px; gap: 8px; }
  .stats-tabs { flex-wrap: nowrap; width: 100%; overflow-x: auto; padding-bottom: 5px; }
  .stats-tab { white-space: nowrap; }
}