:root {
  color-scheme: light;
  --bg: #f4f0e8;
  --bg-deep: #ebe4d8;
  --surface: #fffdf8;
  --surface-soft: #f8f4ec;
  --ink: #25221f;
  --muted: #665f56;
  --subtle: #867d72;
  --line: #ddd5c8;
  --line-strong: #cfc4b4;
  --accent: #a9472d;
  --accent-strong: #81321f;
  --accent-soft: #f3ddd3;
  --ok: #2f6f45;
  --ok-soft: #e3f0e6;
  --warn: #9a570d;
  --warn-soft: #f7ead4;
  --bad: #a72f2a;
  --bad-soft: #f8ddda;
  --unknown: #655d72;
  --unknown-soft: #ece8f1;
  --shadow: 0 18px 50px rgba(65, 50, 35, .08);
  --radius-lg: 22px;
  --radius-md: 14px;
  --radius-sm: 9px;
  --max: 1320px;
  --site-header-height: 73px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 85% -10%, rgba(183, 94, 59, .12), transparent 30rem),
    linear-gradient(180deg, #f8f5ee 0, var(--bg) 34rem);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

button, input, select { font: inherit; }
button, select { cursor: pointer; }
button:focus-visible, input:focus-visible, select:focus-visible, summary:focus-visible, a:focus-visible {
  outline: 3px solid rgba(169, 71, 45, .32);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  left: 18px;
  top: 12px;
  z-index: 100;
  padding: 10px 14px;
  border-radius: 8px;
  background: var(--ink);
  color: white;
  transform: translateY(-160%);
}
.skip-link:focus { transform: translateY(0); }
.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(207, 196, 180, .85);
  background: rgba(248, 245, 238, .9);
  backdrop-filter: blur(18px);
}
.header-inner {
  max-width: var(--max);
  min-height: 72px;
  margin: 0 auto;
  padding: 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  text-decoration: none;
}
.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  color: #fff9f2;
  background: var(--accent);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.25);
  font-family: Georgia, serif;
  font-weight: 700;
}
.brand strong, .brand small { display: block; }
.brand strong { font-size: 14px; letter-spacing: .01em; }
.brand small { margin-top: 1px; color: var(--muted); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; }
.header-actions { display: flex; align-items: center; gap: 10px; }
.prototype-badge {
  padding: 6px 10px;
  border: 1px solid #d8c9b5;
  border-radius: 999px;
  color: var(--accent-strong);
  background: #fbf3e7;
  font-size: 12px;
  font-weight: 650;
}
.quiet-button, .primary-button {
  min-height: 40px;
  border-radius: 10px;
  padding: 8px 14px;
  font-weight: 650;
  transition: transform .15s ease, background .15s ease, border-color .15s ease;
}
.quiet-button {
  border: 1px solid var(--line-strong);
  color: var(--ink);
  background: rgba(255,253,248,.7);
}
.quiet-button:hover { border-color: #ad9d8a; background: #fffdf8; }
.primary-button { border: 1px solid var(--accent); color: white; background: var(--accent); }
.primary-button:hover { background: var(--accent-strong); }
.quiet-button:active, .primary-button:active { transform: translateY(1px); }

.app-status { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
main { max-width: var(--max); margin: 0 auto; padding: 0 28px 64px; }
.hero {
  min-height: 275px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  padding: 58px 0 34px;
}
.eyebrow, .section-kicker {
  margin: 0 0 9px;
  color: var(--accent-strong);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.hero h1 {
  max-width: 720px;
  margin: 0;
  font-family: ui-serif, Georgia, "Songti SC", serif;
  font-size: clamp(42px, 5.2vw, 72px);
  line-height: 1.02;
  letter-spacing: -.045em;
  font-weight: 650;
}
.hero-lead { max-width: 640px; margin: 18px 0 0; color: var(--muted); font-size: 18px; }
.freshness {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: rgba(255,253,248,.65);
  font-size: 12px;
}
.freshness-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 4px var(--ok-soft); }

.loading-panel, .error-panel {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
}
.skeleton { height: 104px; border-radius: 14px; background: linear-gradient(90deg, #eee7db, #f8f4ed, #eee7db); background-size: 220% 100%; animation: pulse 1.3s ease infinite; }
.skeleton-wide { height: 64px; margin-bottom: 14px; }
.skeleton-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
@keyframes pulse { to { background-position: -220% 0; } }
.error-panel h2 { margin: 0 0 8px; }
.error-panel p:not(.eyebrow) { color: var(--muted); }

.metric-grid { display: grid; grid-template-columns: 1.35fr repeat(4, 1fr); gap: 12px; }
.metric-card {
  min-height: 144px;
  padding: 19px 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255,253,248,.88);
  box-shadow: 0 8px 30px rgba(65,50,35,.045);
}
.metric-card-primary { border-color: #d2a794; background: linear-gradient(145deg, #f9e8df, #fff8ee); }
.metric-label { color: var(--muted); font-size: 12px; font-weight: 700; }
.metric-value { margin: 5px 0; font-size: 34px; line-height: 1; font-variant-numeric: tabular-nums; }
.metric-value-text { font-family: ui-serif, Georgia, "Songti SC", serif; font-size: 30px; }
.metric-note { color: var(--muted); font-size: 12px; }

.section-block { margin-top: 48px; }
.section-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 18px;
}
.section-heading-align-end { align-items: flex-end; }
.section-heading h2 { margin: 0; font-family: ui-serif, Georgia, "Songti SC", serif; font-size: 30px; line-height: 1.15; }
#skillsWorkspace { scroll-margin-top: calc(var(--site-header-height) + 18px); }
.section-description { margin: 7px 0 0; color: var(--muted); font-size: 14px; }
.section-meta, .result-count { color: var(--muted); font-size: 13px; font-variant-numeric: tabular-nums; }

.queue-empty, .queue-list {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
  box-shadow: 0 8px 30px rgba(65,50,35,.045);
}
.queue-empty { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 18px 20px; }
.queue-empty-main { display: flex; align-items: center; gap: 13px; }
.status-icon {
  flex: 0 0 auto;
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--ok);
  background: var(--ok-soft);
  font-weight: 800;
}
.queue-empty strong, .queue-empty span { display: block; }
.queue-empty span { color: var(--muted); font-size: 13px; }
.queue-list { overflow: hidden; }
.queue-item { padding: 16px 18px; display: grid; grid-template-columns: auto 1fr 1fr auto; gap: 14px; border-top: 1px solid var(--line); }
.queue-item:first-child { border-top: 0; }

.toolbar {
  display: grid;
  grid-template-columns: minmax(240px, 1fr) repeat(3, minmax(145px, auto)) auto;
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--line);
  border-bottom: 0;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  background: var(--surface-soft);
}
.toolbar label { position: relative; }
.filter-label { position: absolute; top: 6px; left: 12px; z-index: 1; color: var(--subtle); font-size: 10px; font-weight: 700; }
.toolbar input, .toolbar select {
  width: 100%;
  min-height: 46px;
  border: 1px solid var(--line-strong);
  border-radius: 9px;
  color: var(--ink);
  background: var(--surface);
}
.toolbar select { padding: 17px 34px 4px 11px; }
.toolbar input { padding: 9px 12px 9px 42px; }
.search-field svg { position: absolute; left: 14px; top: 13px; width: 20px; height: 20px; fill: none; stroke: var(--muted); stroke-width: 1.8; stroke-linecap: round; }
.toolbar-reset { min-height: 46px; align-self: stretch; }

.table-shell { overflow-x: auto; border: 1px solid var(--line); border-radius: 0 0 var(--radius-md) var(--radius-md); background: var(--surface); box-shadow: var(--shadow); }
.skill-table { width: 100%; min-width: 1120px; border-collapse: separate; border-spacing: 0; font-size: 13px; }
.skill-table caption { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.skill-table th {
  position: sticky;
  /* table-shell is the scroll container, so the sticky offset is local to it. */
  top: 0;
  z-index: 2;
  padding: 0;
  text-align: left;
  border-bottom: 1px solid var(--line-strong);
  color: var(--muted);
  background: #f6f1e8;
  font-size: 11px;
  letter-spacing: .035em;
}
.skill-table th:first-child { left: 0; z-index: 3; }
.skill-table td { padding: 15px 14px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.skill-row:last-of-type td { border-bottom-color: transparent; }
.skill-row:hover td { background: #fcf8f1; }
.skill-row td:first-child { position: sticky; left: 0; z-index: 1; width: 245px; background: var(--surface); }
.skill-row:hover td:first-child { background: #fcf8f1; }
.sort-button {
  width: 100%;
  min-height: 46px;
  padding: 10px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 7px;
  border: 0;
  color: inherit;
  background: transparent;
  text-align: left;
  font-weight: 750;
}
.sort-button:hover { color: var(--accent-strong); background: rgba(169,71,45,.05); }
.skill-table th:not(:has(.sort-button)) { padding: 10px 14px; }
.skill-name { display: block; font-weight: 760; color: var(--ink); }
.skill-slug { display: block; max-width: 220px; margin-top: 3px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--subtle); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 10px; }
.status-pill, .maturity-pill, .risk-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  border-radius: 999px;
  white-space: nowrap;
  font-size: 11px;
  font-weight: 750;
}
.status-pill::before, .risk-pill::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.status-good, .risk-good { color: var(--ok); background: var(--ok-soft); }
.status-attention, .risk-attention { color: var(--warn); background: var(--warn-soft); }
.status-bad, .risk-bad { color: var(--bad); background: var(--bad-soft); }
.status-unknown, .risk-unknown { color: var(--unknown); background: var(--unknown-soft); }
.maturity-stack, .usage-stack, .risk-stack { display: flex; flex-direction: column; gap: 4px; }
.maturity-pill { align-self: flex-start; color: var(--accent-strong); background: var(--accent-soft); }
.cell-main { font-weight: 720; font-variant-numeric: tabular-nums; }
.cell-sub { color: var(--muted); font-size: 11px; font-variant-numeric: tabular-nums; }
.next-action { max-width: 230px; color: var(--ink); line-height: 1.4; }
.detail-button {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 9px;
  color: var(--accent-strong);
  background: var(--surface);
  font-size: 18px;
  font-weight: 700;
}
.detail-button:hover { border-color: var(--accent); background: var(--accent-soft); }
.detail-row[hidden] { display: none; }
.detail-row td { padding: 0; background: #f8f3ea; border-bottom: 1px solid var(--line-strong); }
.detail-panel { padding: 20px 24px 22px 265px; }
.detail-summary { max-width: 920px; margin: 0 0 15px; color: var(--muted); }
.detail-grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 10px; }
.detail-kv { padding: 11px 12px; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); }
.detail-kv dt { color: var(--subtle); font-size: 10px; font-weight: 750; text-transform: uppercase; letter-spacing: .04em; }
.detail-kv dd { margin: 4px 0 0; font-size: 12px; font-weight: 680; word-break: break-word; }
.mobile-card-list { display: none; }
.empty-results { padding: 50px 20px; border: 1px solid var(--line); border-radius: 0 0 var(--radius-md) var(--radius-md); text-align: center; background: var(--surface); }
.empty-results p { color: var(--muted); }

.insight-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.insight-card { padding: 22px; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--surface); box-shadow: 0 8px 30px rgba(65,50,35,.045); }
.insight-card h3 { margin: 0; font-family: ui-serif, Georgia, "Songti SC", serif; font-size: 21px; }
.insight-card > p { margin: 5px 0 20px; color: var(--muted); font-size: 13px; }
.bar-list { display: grid; gap: 11px; }
.bar-row { display: grid; grid-template-columns: minmax(70px, auto) 1fr 30px; align-items: center; gap: 10px; font-size: 12px; }
.bar-label { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--muted); }
.bar-track { height: 9px; overflow: hidden; border-radius: 999px; background: #eee7dc; }
.bar-fill { height: 100%; min-width: 3px; border-radius: inherit; background: linear-gradient(90deg, var(--accent), #ce7959); }
.bar-value { text-align: right; font-weight: 760; font-variant-numeric: tabular-nums; }

.site-footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 24px 28px 38px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
}

@media (max-width: 1080px) {
  .metric-grid { grid-template-columns: repeat(3, 1fr); }
  .metric-card-primary { grid-column: span 2; }
  .toolbar { grid-template-columns: 1fr 1fr 1fr; }
  .search-field { grid-column: span 2; }
  .toolbar-reset { grid-column: span 1; }
  .detail-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 760px) {
  .header-inner { min-height: 64px; padding: 0 16px; }
  .brand small, .prototype-badge { display: none; }
  main { padding: 0 16px 42px; }
  .hero { min-height: 232px; display: block; padding: 42px 0 28px; }
  .hero h1 { font-size: clamp(38px, 12vw, 52px); }
  .hero-lead { margin-top: 14px; font-size: 16px; }
  .freshness { display: inline-flex; margin-top: 22px; }
  .skeleton-grid { grid-template-columns: 1fr 1fr; }
  .metric-grid { grid-template-columns: 1fr 1fr; }
  .metric-card, .metric-card-primary { min-height: 126px; grid-column: auto; }
  .metric-card-primary { grid-column: span 2; }
  .metric-value { font-size: 30px; }
  .section-block { margin-top: 38px; }
  .section-heading, .section-heading-align-end { display: block; }
  .section-heading h2 { font-size: 27px; }
  .section-meta, .result-count { display: block; margin-top: 8px; }
  .queue-empty { align-items: flex-start; }
  .queue-empty > .quiet-button { display: none; }
  .toolbar { grid-template-columns: 1fr 1fr; border-bottom: 1px solid var(--line); border-radius: var(--radius-md); }
  .search-field { grid-column: span 2; }
  .toolbar-reset { grid-column: span 2; }
  .table-shell { display: none; }
  .mobile-card-list { display: grid; gap: 10px; margin-top: 12px; }
  .mobile-skill-card { border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--surface); box-shadow: 0 8px 28px rgba(65,50,35,.05); overflow: hidden; }
  .mobile-skill-card summary { min-height: 64px; padding: 15px 16px; list-style: none; cursor: pointer; }
  .mobile-skill-card summary::-webkit-details-marker { display: none; }
  .mobile-card-top { display: flex; justify-content: space-between; gap: 12px; }
  .mobile-card-top::after { content: "+"; color: var(--accent); font-size: 20px; }
  .mobile-skill-card[open] .mobile-card-top::after { content: "−"; }
  .mobile-card-status { margin-top: 8px; }
  .mobile-metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; padding: 0 16px 14px; }
  .mobile-metric { padding: 9px 10px; border-radius: 9px; background: var(--surface-soft); }
  .mobile-metric small, .mobile-metric strong { display: block; }
  .mobile-metric small { color: var(--muted); font-size: 10px; }
  .mobile-metric strong { margin-top: 2px; font-size: 13px; }
  .mobile-next { margin: 0 16px 14px; padding: 11px 12px; border-left: 3px solid var(--accent); background: #fbf1e9; font-size: 12px; }
  .mobile-details { padding: 14px 16px 17px; border-top: 1px solid var(--line); background: var(--surface-soft); }
  .mobile-details p { margin: 0 0 12px; color: var(--muted); font-size: 12px; }
  .mobile-details dl { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin: 0; }
  .detail-kv { background: var(--surface); }
  .insight-grid { grid-template-columns: 1fr; }
  .site-footer { padding: 20px 16px 30px; display: block; }
  .site-footer span { display: block; margin-top: 5px; }
}

@media (max-width: 430px) {
  .header-actions .quiet-button { min-height: 38px; padding-inline: 10px; font-size: 12px; }
  .metric-grid { grid-template-columns: 1fr 1fr; gap: 9px; }
  .metric-card { padding: 15px; }
  .metric-note { line-height: 1.35; }
  .toolbar { grid-template-columns: 1fr; }
  .search-field, .toolbar-reset { grid-column: auto; }
  .mobile-metrics { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}