:root {
  --bg: #f6f5f2;
  --bg-alt: #efede8;
  --panel: #fbfaf7;
  --panel-2: #f2f0eb;
  --line: #d8dde5;
  --text: #1f2329;
  --muted: #68707b;
  --accent: #4b5f90;
  --accent-soft: #e7ecf8;
  --ok: #2e7d57;
  --warn: #8c6738;
  --radius: 14px;
  --radius-lg: 18px;
  --shadow: 0 10px 28px rgba(17, 23, 33, 0.06);
}

body.dark {
  --bg: #141922;
  --bg-alt: #191f29;
  --panel: #1b212c;
  --panel-2: #222a36;
  --line: #313a48;
  --text: #e9edf4;
  --muted: #a8b0bf;
  --accent: #a8bcff;
  --accent-soft: rgba(168, 188, 255, 0.16);
  --ok: #79c59f;
  --warn: #d3b07f;
  --shadow: 0 20px 36px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body.claude-ui {
  font-family: "Avenir Next", "SF Pro Text", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background:
    radial-gradient(1000px 360px at 8% -10%, rgba(75, 95, 144, 0.08), transparent),
    radial-gradient(900px 320px at 96% 0%, rgba(150, 126, 80, 0.08), transparent),
    var(--bg);
  line-height: 1.68;
}

a {
  color: var(--accent);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 120;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 90%, transparent);
  backdrop-filter: blur(9px);
}

.site-header .container {
  width: min(1280px, calc(100% - 1.5rem));
  min-height: 62px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.7rem;
}

.brand {
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  font-size: 1.06rem;
  letter-spacing: -0.01em;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

#darkModeToggle,
.lang-switch,
.ui-btn,
.sidebar-toggle,
.cmd-open {
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--muted);
  border-radius: 999px;
  min-height: 34px;
  padding: 0.38rem 0.78rem;
  font-size: 0.73rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

#darkModeToggle,
.lang-switch,
.sidebar-toggle,
.cmd-open,
.ui-btn {
  cursor: pointer;
}

#darkModeToggle:hover,
.lang-switch:hover,
.sidebar-toggle:hover,
.cmd-open:hover,
.ui-btn:hover {
  color: var(--text);
  border-color: color-mix(in srgb, var(--accent) 34%, var(--line));
}

.claude-app {
  width: min(1280px, calc(100% - 1.5rem));
  margin: 1rem auto 2.4rem;
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
}

.sidebar {
  position: sticky;
  top: 74px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, color-mix(in srgb, var(--panel) 94%, white) 0%, var(--panel-2) 100%);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 0.9rem;
  display: grid;
  gap: 0.9rem;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.sidebar-brand a {
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  font-size: 1.18rem;
  letter-spacing: -0.02em;
}

.sidebar-nav,
.sidebar-subnav {
  display: grid;
  gap: 0.28rem;
}

.sidebar-nav a,
.sidebar-subnav a,
.sidebar-footer a {
  text-decoration: none;
  color: var(--muted);
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 0.52rem 0.62rem;
  font-size: 0.88rem;
  font-weight: 600;
}

.sidebar-nav a:hover,
.sidebar-subnav a:hover,
.sidebar-footer a:hover,
.sidebar-nav a.active {
  color: var(--text);
  border-color: var(--line);
  background: var(--panel);
}

.sidebar-label {
  color: var(--muted);
  font-size: 0.73rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 700;
  margin-top: 0.2rem;
}

.sidebar-footer {
  border-top: 1px solid var(--line);
  padding-top: 0.7rem;
  display: grid;
  gap: 0.28rem;
}

.main {
  display: grid;
  gap: 0.8rem;
}

.main-top {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, color-mix(in srgb, var(--panel) 95%, white) 0%, var(--panel-2) 100%);
  box-shadow: var(--shadow);
  padding: 0.76rem 0.9rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.page-kicker {
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 700;
}

.page-title {
  margin: 0.35rem 0 0;
  font-size: clamp(1.68rem, 3vw, 2.5rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
}

.page-intro {
  margin: 0.55rem 0 0;
  color: var(--muted);
  max-width: 72ch;
}

.top-right {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.turn {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.turn-head {
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--panel-2) 70%, var(--bg-alt));
  padding: 0.62rem 0.9rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
}

.turn-role {
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 700;
}

.turn-body {
  background: var(--panel);
  padding: 0.95rem 1rem 1rem;
}

.turn-body p {
  margin: 0.52rem 0 0;
  color: var(--muted);
}

.turn-body p strong,
.turn-body li strong {
  color: var(--text);
}

.metric-row,
.chip-row,
.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.7rem;
}

.metric,
.chip {
  border: 1px solid color-mix(in srgb, var(--accent) 24%, var(--line));
  border-radius: 999px;
  background: var(--accent-soft);
  color: color-mix(in srgb, var(--accent) 74%, #1f2638);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.3rem 0.72rem;
}

.dual-col {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.72rem;
}

.fact-grid {
  display: grid;
  gap: 0.55rem;
}

.fact {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel-2);
  padding: 0.64rem 0.72rem;
}

.fact strong {
  display: block;
  font-size: 0.82rem;
}

.fact span {
  font-size: 0.9rem;
  color: var(--muted);
}

.list {
  margin: 0.64rem 0 0;
  padding-left: 1rem;
  display: grid;
  gap: 0.45rem;
}

.post-content .turn-body h2 {
  margin: 1rem 0 0.4rem;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
}

.post-content .turn-body h3 {
  margin: 0.8rem 0 0.34rem;
  font-size: 1rem;
  letter-spacing: -0.01em;
}

.post-content .turn-body p {
  margin: 0.5rem 0 0;
}

#toc-list,
#toc-list ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.38rem;
}

#toc-list ul {
  margin-top: 0.25rem;
  padding-left: 0.72rem;
}

#toc-list a {
  text-decoration: none;
}

.case-list {
  display: grid;
  gap: 0.58rem;
}

.case {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel-2);
  overflow: hidden;
}

.case > summary {
  list-style: none;
  cursor: pointer;
  padding: 0.72rem 0.8rem;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.6rem;
  color: var(--text);
  font-weight: 700;
}

.case > summary::-webkit-details-marker {
  display: none;
}

.case[open] > summary {
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--accent-soft) 30%, var(--panel-2));
}

.case .meta {
  font-size: 0.78rem;
  color: var(--muted);
  font-weight: 600;
}

.case-content {
  padding: 0.76rem 0.84rem 0.82rem;
  display: grid;
  gap: 0.4rem;
}

.case-content p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.filter-btn {
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--muted);
  border-radius: 999px;
  min-height: 30px;
  padding: 0.28rem 0.65rem;
  font-size: 0.75rem;
  font-weight: 700;
}

.filter-btn.active,
.filter-btn:hover {
  color: var(--text);
  background: var(--accent-soft);
  border-color: color-mix(in srgb, var(--accent) 28%, var(--line));
}

.project-item[hidden] {
  display: none;
}

.action-row {
  margin-top: 0.75rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.56rem;
}

.action-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0.58rem 0.95rem;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--panel-2);
  color: var(--text);
  text-decoration: none;
  font-size: 0.86rem;
  font-weight: 700;
}

.action-link.primary {
  background: color-mix(in srgb, var(--accent-soft) 72%, var(--panel-2));
  border-color: color-mix(in srgb, var(--accent) 45%, var(--line));
}

.action-link:hover {
  border-color: color-mix(in srgb, var(--accent) 34%, var(--line));
}

.foot {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  padding: 0.72rem 0.9rem;
  color: var(--muted);
  text-align: center;
}

.foot a {
  color: inherit;
  text-decoration: none;
}

.foot a:hover {
  color: var(--text);
}

.foot-extra {
  margin-top: 0.58rem;
  padding-top: 0.56rem;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.52rem;
  flex-wrap: wrap;
}

.foot-extra a {
  font-weight: 700;
}

.foot-sep {
  color: color-mix(in srgb, var(--muted) 70%, var(--line));
}

.search-wrap input,
#searchInput {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel-2);
  color: var(--text);
  padding: 0.62rem 0.74rem;
  font-size: 0.92rem;
}

#searchResults ul,
#tag-results-container ul,
.result-list {
  margin: 0.72rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.52rem;
}

#searchResults li,
#tag-results-container li,
.result-list li {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel-2);
  padding: 0.65rem 0.76rem;
}

.player-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 0.72rem;
}

.audio-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.5rem;
}

.audio-item {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel-2);
  padding: 0.7rem;
}

.audio-item h4 {
  margin: 0;
  font-size: 0.92rem;
}

.audio-item p {
  margin: 0.42rem 0 0.58rem;
  color: var(--muted);
  font-size: 0.84rem;
}

.audio-item.playing {
  border-color: color-mix(in srgb, var(--accent) 42%, var(--line));
  background: color-mix(in srgb, var(--accent-soft) 43%, var(--panel-2));
}

.play-btn,
.control-btn,
.pagination button {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel);
  color: var(--text);
  padding: 0.54rem 0.74rem;
  font-size: 0.84rem;
  font-weight: 700;
  cursor: pointer;
}

.play-btn.playing {
  background: var(--accent-soft);
}

.pagination {
  margin-top: 0.65rem;
  display: flex;
  align-items: center;
  gap: 0.52rem;
  flex-wrap: wrap;
}

.page-info,
.episode-progress {
  color: var(--muted);
}

.cmd-overlay {
  position: fixed;
  inset: 0;
  z-index: 180;
  background: rgba(8, 10, 14, 0.42);
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding-top: 14vh;
}

.cmd-overlay.open {
  display: flex;
}

.cmd-panel {
  width: min(640px, calc(100% - 1rem));
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.cmd-panel input {
  width: 100%;
  border: none;
  border-bottom: 1px solid var(--line);
  background: var(--panel-2);
  color: var(--text);
  min-height: 48px;
  padding: 0.72rem 0.78rem;
  font-size: 0.95rem;
  outline: none;
}

.cmd-list {
  list-style: none;
  margin: 0;
  padding: 0.4rem;
  max-height: 46vh;
  overflow-y: auto;
  display: grid;
  gap: 0.3rem;
}

.cmd-list li button {
  width: 100%;
  text-align: left;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text);
  border-radius: 9px;
  padding: 0.6rem 0.64rem;
  cursor: pointer;
}

.cmd-list li button span {
  display: block;
  color: var(--muted);
  font-size: 0.8rem;
}

.cmd-list li button:hover,
.cmd-list li button.active {
  border-color: var(--line);
  background: var(--panel-2);
}

body.sidebar-open::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 110;
  background: rgba(8, 10, 14, 0.32);
}

@media (max-width: 1040px) {
  .claude-app {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: fixed;
    top: 70px;
    left: 0.75rem;
    right: 0.75rem;
    z-index: 130;
    transform: translateY(-140%);
    transition: transform 0.22s ease;
    max-height: calc(100vh - 90px);
    overflow-y: auto;
  }

  body.sidebar-open .sidebar {
    transform: translateY(0);
  }

  .player-grid,
  .dual-col {
    grid-template-columns: 1fr;
  }

  .audio-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .site-header .container,
  .claude-app {
    width: calc(100% - 1rem);
  }

  .site-header .container {
    min-height: auto;
    padding: 0.54rem 0;
  }

  .header-actions {
    gap: 0.34rem;
  }

  #darkModeToggle,
  .lang-switch,
  .cmd-open,
  .sidebar-toggle,
  .ui-btn {
    min-height: 32px;
    padding: 0.35rem 0.64rem;
    font-size: 0.69rem;
  }

  .action-row {
    flex-direction: column;
    align-items: stretch;
  }

  .action-link {
    width: 100%;
  }
}

#particles-js {
  display: none !important;
}