:root {
  color-scheme: light;
  --ink: #18211f;
  --muted: #66736d;
  --faint: #8a9690;
  --bg: #f5f7f8;
  --surface: #ffffff;
  --surface-soft: #eef4f2;
  --line: #d7dee2;
  --line-strong: #b9c4ca;
  --green: #0d6b54;
  --blue: #245f9f;
  --red: #a84834;
  --amber: #b98518;
  --header: #14211d;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
}
a { color: inherit; }
button, input, select { font: inherit; }
button { cursor: pointer; }
h1, h2, h3, p { margin: 0; overflow-wrap: anywhere; }
h1, h2, h3 { line-height: 1.18; letter-spacing: 0; }

.site-header {
  color: #fbfffd;
  background: var(--header);
  border-bottom: 4px solid #d5a735;
}
.nav,
.masthead,
main {
  width: min(1320px, calc(100% - 36px));
  margin: 0 auto;
}
.nav {
  min-height: 66px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: #fff;
  font-weight: 800;
  text-decoration: none;
}
.brand-mark {
  width: 36px;
  height: 36px;
  display: inline-grid;
  place-items: center;
  border: 1px solid rgba(255,255,255,.36);
  border-radius: 6px;
  background: rgba(255,255,255,.08);
  font-size: .85rem;
}
.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  justify-content: flex-end;
}
.nav-links a {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  padding: 0 10px;
  border-radius: 6px;
  color: rgba(255,255,255,.78);
  text-decoration: none;
  font-size: .94rem;
}
.nav-links a:hover,
.nav-links a.active {
  background: rgba(255,255,255,.13);
  color: #fff;
}
.masthead {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 0 30px;
}
.eyebrow {
  color: #e1bc55;
  font-size: .76rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}
h1 {
  max-width: 860px;
  margin-top: 8px;
  font-size: clamp(1.9rem, 4.2vw, 3.45rem);
  font-weight: 900;
}
.lede {
  max-width: 560px;
  color: rgba(255,255,255,.78);
  font-size: .98rem;
}
.masthead-actions,
.detail-actions,
.pager {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}
.button,
.ghost-button {
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 800;
  border: 1px solid transparent;
  padding: 0 12px;
}
.button.primary { background: #e3b63f; color: #16201c; }
.button.secondary { background: #fff; color: var(--ink); border-color: var(--line); }
.site-header .button.secondary {
  color: #fff;
  border-color: rgba(255,255,255,.32);
  background: rgba(255,255,255,.08);
}
.ghost-button {
  background: #fff;
  color: var(--ink);
  border-color: var(--line);
}
.ghost-button:disabled { opacity: .45; cursor: not-allowed; }

main { padding: 18px 0 54px; }
.stats-strip {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 14px;
}
.stat-card {
  min-height: 76px;
  padding: 13px 14px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 4px solid var(--green);
  border-radius: 6px;
}
.stat-card span {
  display: block;
  color: var(--muted);
  font-size: .82rem;
  font-weight: 700;
}
.stat-card strong {
  display: block;
  margin-top: 4px;
  font-size: 1.55rem;
  line-height: 1;
}

.desk-toolbar,
.link-toolbar,
.raw-toolbar {
  position: sticky;
  top: 0;
  z-index: 5;
  display: grid;
  gap: 10px;
  align-items: end;
  padding: 12px;
  margin-bottom: 14px;
  background: rgba(245,247,248,.96);
  border: 1px solid var(--line);
  border-radius: 6px;
  backdrop-filter: blur(8px);
}
.desk-toolbar { grid-template-columns: minmax(260px, 1.7fr) repeat(3, minmax(130px, .62fr)); }
.link-toolbar { grid-template-columns: minmax(300px, 1.5fr) minmax(170px, .7fr) minmax(170px, .7fr) auto; }
.raw-toolbar { grid-template-columns: minmax(280px, 1.4fr) minmax(160px, .45fr) auto; }
label span {
  display: block;
  margin-bottom: 5px;
  color: var(--muted);
  font-size: .78rem;
  font-weight: 800;
}
input,
select {
  width: 100%;
  min-height: 38px;
  padding: 0 10px;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
}
input:focus,
select:focus {
  outline: 2px solid rgba(36,95,159,.22);
  border-color: var(--blue);
}
.result-note {
  color: var(--muted);
  font-size: .9rem;
  font-weight: 800;
  white-space: nowrap;
}

.workspace-grid {
  display: grid;
  grid-template-columns: minmax(210px, 250px) minmax(300px, 420px) minmax(420px, 1fr);
  gap: 14px;
  align-items: start;
}
.raw-grid {
  display: grid;
  grid-template-columns: minmax(240px, 310px) minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}
.side-rail,
.result-pane,
.detail-pane,
.asset-section,
.learning-band,
.link-domain-band,
.link-index,
.table-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 6px;
}
.side-rail,
.detail-pane {
  position: sticky;
  top: 84px;
  max-height: calc(100vh - 102px);
  overflow: auto;
}
.side-rail,
.result-pane,
.detail-pane,
.asset-section,
.learning-band,
.link-domain-band,
.link-index,
.table-panel {
  padding: 14px;
}
.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 10px;
  margin-bottom: 10px;
  border-bottom: 1px solid var(--line);
}
.section-head h2 {
  font-size: 1.04rem;
  font-weight: 900;
}
.section-head span,
.muted {
  color: var(--muted);
  font-size: .88rem;
}

.tree {
  display: grid;
  gap: 2px;
}
.tree button {
  width: 100%;
  min-height: 32px;
  padding: 6px 8px 6px calc(8px + var(--depth, 0) * 14px);
  color: var(--ink);
  background: transparent;
  border: 0;
  border-radius: 5px;
  text-align: left;
  font-size: .88rem;
}
.tree button:hover,
.tree button.is-active {
  color: var(--green);
  background: var(--surface-soft);
}
.compact-tree button { font-size: .84rem; }

.file-list,
.attachment-list,
.domain-list,
.link-list {
  display: grid;
  gap: 8px;
}
.file-row {
  width: 100%;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding: 12px;
  color: inherit;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
  text-align: left;
}
.file-row:hover,
.file-row.is-selected {
  border-color: rgba(13,107,84,.58);
  background: #f7fbf9;
}
.file-main {
  min-width: 0;
  display: block;
}
.file-title {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 5px;
}
.file-title strong {
  font-size: 1rem;
  line-height: 1.3;
}
.file-path,
.link-url {
  display: block;
  color: var(--blue);
  overflow-wrap: anywhere;
  word-break: break-word;
}
.file-excerpt {
  display: block;
  margin-top: 7px;
  color: #394541;
  font-size: .92rem;
  overflow-wrap: anywhere;
  word-break: break-word;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.row-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  justify-content: flex-start;
}
.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin: 9px 0;
}
.pill {
  min-height: 22px;
  display: inline-flex;
  align-items: center;
  padding: 0 7px;
  color: var(--green);
  background: #e8f3ee;
  border-radius: 999px;
  font-size: .74rem;
  font-weight: 800;
}
.pill.neutral { color: var(--muted); background: #eef1f3; }
.pill.risk { color: var(--red); background: #fff0ea; }
.dimension-mini {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 2px;
  color: #fff;
  background: #17211e;
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 6px;
  font-size: .72rem;
  font-weight: 900;
  letter-spacing: 0;
}
.dimension-mini span {
  min-width: 19px;
  min-height: 19px;
  display: inline-grid;
  place-items: center;
  border-radius: 4px;
  background: rgba(255,255,255,.12);
}
.dimension-mini .needs-review {
  color: #d7c8a6;
  background: rgba(255,255,255,.06);
}
.empty-detail {
  display: grid;
  gap: 8px;
  min-height: 240px;
  align-content: center;
  color: var(--muted);
}
.detail-pane h2 {
  font-size: 1.22rem;
}
.detail-hero {
  padding: 16px;
  margin: -2px -2px 14px;
  color: #fff;
  background: linear-gradient(135deg, #17211e, #25473d 58%, #5b3d1a);
  border-radius: 6px;
}
.detail-hero .file-path {
  margin-top: 8px;
  color: #cddfd7;
}
.detail-kicker {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
  color: #e9d18b;
  font-size: .78rem;
  font-weight: 900;
}
.detail-hero .pill.neutral {
  color: #dfe8e4;
  background: rgba(255,255,255,.12);
}
.dimension-title {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin: 14px 0 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
}
.dimension-title span {
  color: var(--amber);
  font-size: .76rem;
  font-weight: 900;
  letter-spacing: .08em;
}
.dimension-title strong {
  font-size: 1.06rem;
}
.dimension-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 14px;
}
.dimension-card {
  min-height: 156px;
  padding: 12px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
  box-shadow: 0 10px 24px rgba(24, 33, 31, .06);
}
.dimension-card:nth-child(1) { border-top: 4px solid #263a33; }
.dimension-card:nth-child(2) { border-top: 4px solid #0d6b54; }
.dimension-card:nth-child(3) { border-top: 4px solid #b98518; }
.dimension-card:nth-child(4) { border-top: 4px solid #245f9f; }
.dimension-card:nth-child(5) { border-top: 4px solid #8d3d32; }
.dimension-card.needs-review {
  background: #faf8f1;
}
.dimension-head {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 9px;
  align-items: start;
  margin-bottom: 10px;
}
.dimension-label {
  width: 34px;
  height: 34px;
  display: inline-grid;
  place-items: center;
  color: #fff;
  background: var(--header);
  border-radius: 6px;
  font-size: 1.04rem;
  font-weight: 900;
}
.dimension-head strong,
.dimension-head em {
  display: block;
}
.dimension-head em {
  margin-top: 2px;
  color: var(--muted);
  font-size: .74rem;
  font-style: normal;
  font-weight: 800;
}
.dimension-card ul {
  display: grid;
  gap: 7px;
  margin: 0;
  padding-left: 18px;
  color: #33423d;
  font-size: .88rem;
}
.source-preview {
  margin-top: 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
}
.source-preview summary {
  padding: 11px 12px;
  color: var(--ink);
  font-weight: 900;
  cursor: pointer;
}
.detail-pane pre {
  max-height: 390px;
  overflow: auto;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  padding: 12px;
  margin: 0;
  background: #f7faf9;
  border-top: 1px solid var(--line);
  border-right: 0;
  border-bottom: 0;
  border-left: 0;
  border-radius: 0 0 6px 6px;
  font-size: .86rem;
  line-height: 1.58;
}
.source-list {
  display: grid;
  gap: 6px;
  padding-left: 18px;
}
.source-list a { overflow-wrap: anywhere; }
.text-link {
  color: var(--blue);
  font-weight: 800;
  text-decoration: none;
}
.text-link:hover { text-decoration: underline; }

.learning-band,
.asset-grid,
.link-domain-band,
.link-index {
  margin-top: 14px;
}
.study-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}
.study-grid a,
.attachment-card,
.domain-card,
.link-card {
  display: block;
  padding: 12px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
  text-decoration: none;
}
.study-grid a {
  color: var(--green);
  font-weight: 900;
}
.asset-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, .7fr);
  gap: 14px;
}
.attachment-card h3,
.domain-card strong,
.link-card h3 {
  display: block;
  margin-bottom: 5px;
  font-size: .98rem;
  line-height: 1.32;
}
.domain-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: center;
}
.domain-card span { color: var(--muted); font-weight: 800; }

.link-summary {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: end;
  padding: 6px 0 16px;
}
.link-summary h1 { color: var(--ink); }
.link-summary .lede { color: var(--muted); }
.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.domain-chip {
  min-height: 32px;
  padding: 0 10px;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-weight: 800;
}
.domain-chip:hover,
.domain-chip.is-active {
  color: var(--green);
  border-color: rgba(13,107,84,.58);
  background: #f2faf6;
}
.link-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 160px;
  gap: 14px;
}
.link-card > div {
  min-width: 0;
}
.link-card .link-url {
  display: block;
  margin-bottom: 6px;
  font-weight: 800;
  text-decoration: none;
}
.link-context {
  color: #3d4844;
  font-size: .9rem;
}
.link-side {
  display: grid;
  gap: 7px;
  align-content: start;
  justify-items: start;
  min-width: 0;
  color: var(--muted);
  font-size: .86rem;
}
.link-side > *,
.link-tags {
  max-width: 100%;
  min-width: 0;
  overflow-wrap: anywhere;
}
.link-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.responsive-table {
  width: 100%;
  overflow-x: auto;
}
.raw-table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  font-size: .9rem;
}
.raw-table th,
.raw-table td {
  padding: 10px 8px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  text-align: left;
}
.raw-table th {
  color: var(--muted);
  font-size: .76rem;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.raw-table a { color: var(--blue); font-weight: 800; text-decoration: none; }
.raw-table a:hover { text-decoration: underline; }
.raw-path-cell { max-width: 420px; overflow-wrap: anywhere; }

.footer {
  padding: 28px 18px;
  color: var(--muted);
  text-align: center;
  border-top: 1px solid var(--line);
}

@media (max-width: 1180px) {
  .stats-strip { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .workspace-grid { grid-template-columns: minmax(210px, 260px) minmax(0, 1fr); }
  .detail-pane {
    position: static;
    grid-column: 1 / -1;
    max-height: none;
  }
  .asset-grid { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
  .nav,
  .masthead,
  main {
    width: min(100% - 24px, 1320px);
  }
  .nav,
  .masthead,
  .link-summary {
    align-items: flex-start;
    flex-direction: column;
  }
  .desk-toolbar,
  .link-toolbar,
  .raw-toolbar,
  .workspace-grid,
  .raw-grid {
    grid-template-columns: 1fr;
  }
  .side-rail {
    position: static;
    max-height: 280px;
  }
  .study-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .link-card { grid-template-columns: 1fr; }
  .row-meta { justify-content: flex-start; }
  .dimension-grid { grid-template-columns: 1fr; }
  .raw-table {
    min-width: 0;
    border-collapse: separate;
    border-spacing: 0 8px;
  }
  .raw-table thead { display: none; }
  .raw-table,
  .raw-table tbody,
  .raw-table tr,
  .raw-table td {
    display: block;
    width: 100%;
  }
  .raw-table tr {
    padding: 8px 10px;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: #fff;
  }
  .raw-table td {
    display: grid;
    grid-template-columns: 76px minmax(0, 1fr);
    gap: 10px;
    padding: 6px 0;
    border-bottom: 0;
  }
  .raw-table td::before {
    content: attr(data-label);
    color: var(--muted);
    font-weight: 800;
  }
}

@media (max-width: 560px) {
  .stats-strip,
  .study-grid {
    grid-template-columns: 1fr;
  }
  .file-row {
    grid-template-columns: 1fr;
  }
  .masthead-actions,
  .detail-actions,
  .pager {
    width: 100%;
  }
  .button,
  .ghost-button {
    flex: 1 1 auto;
  }
}