:root {
  --bg: #f4f6f8;
  --panel: #ffffff;
  --sidebar: #111827;
  --brand: #1f6feb;
  --brand-2: #0f62d8;
  --text: #1f2933;
  --muted: #667085;
  --line: #d9dee7;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #3b82f6;
  --soft: #f8fafc;
  --shadow: 0 14px 34px rgba(15, 23, 42, 0.08);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Avenir Next", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 14px;
  line-height: 1.5;
}

button,
input,
select,
textarea {
  font: inherit;
}

button { cursor: pointer; }

.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  width: 248px;
  padding: 18px 14px;
  color: #fff;
  background: var(--sidebar);
  z-index: 20;
}

.brand-block {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 8px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: var(--brand);
  font-weight: 900;
}

.brand-block strong { display: block; font-size: 17px; }

.role-switch {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.role-switch button,
.nav-item {
  border: 0;
  border-radius: 7px;
  color: rgba(255,255,255,.74);
  background: transparent;
  text-align: left;
}

.role-switch button {
  min-height: 32px;
  padding: 0 12px;
  border: 0;
  border-radius: 6px;
  color: var(--muted);
  background: transparent;
  font-weight: 800;
  text-align: center;
}

.role-switch button.active {
  color: #fff;
  background: var(--brand);
}

.demo-role-control {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  justify-self: center;
  padding: 4px;
  border: 1px dashed #b8c2d6;
  border-radius: 10px;
  background: rgba(255,255,255,.78);
}

.demo-role-control > span {
  padding-left: 8px;
  color: #667085;
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
}

.mock-user-card {
  display: grid;
  grid-template-columns: auto auto;
  column-gap: 10px;
  row-gap: 2px;
  align-items: center;
  justify-self: end;
  min-width: 285px;
  padding: 7px 12px;
  border-bottom: 1px solid #eef1f6;
  color: #98a6bb;
  background: rgba(255,255,255,.62);
}

.mock-user-card strong {
  grid-row: 1 / 3;
  color: #111827;
  font-size: 18px;
  font-weight: 900;
}

.mock-user-card span {
  max-width: 230px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 15px;
}

.mock-user-card em {
  justify-self: start;
  padding: 2px 7px;
  border-radius: 999px;
  color: #175cd3;
  background: #eff6ff;
  font-size: 12px;
  font-style: normal;
  font-weight: 900;
}

.nav-list {
  display: grid;
  gap: 6px;
  padding-top: 18px;
}

.nav-section {
  padding: 18px 10px 6px;
  color: rgba(255,255,255,.42);
  font-size: 12px;
  font-weight: 800;
}

.nav-item {
  display: flex;
  align-items: center;
  min-height: 44px;
  width: 100%;
  padding: 0 18px;
  font-weight: 700;
}

.nav-item:hover { background: rgba(255,255,255,.08); color: #fff; }
.nav-item.active { background: var(--brand); color: #fff; box-shadow: 0 12px 24px rgba(31,111,235,.25); }

.main-shell {
  min-height: 100vh;
  margin-left: 248px;
  padding: 20px 24px 24px;
  background: linear-gradient(180deg, rgba(31,111,235,.06), transparent 280px), var(--bg);
}

.topbar {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) auto minmax(285px, 1fr);
  align-items: center;
  gap: 16px;
  min-height: 36px;
  margin-bottom: 12px;
}

.topbar-spacer { min-width: 0; }

.page-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}

h1, h2, h3 { margin: 0; letter-spacing: 0; }
h1 { font-size: 30px; line-height: 1.15; }
h2 { font-size: 18px; }
h3 { font-size: 15px; }
p { margin: 0; }

.desc { color: var(--muted); }

.card,
.metric-card,
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.card { padding: 18px; }

.grid { display: grid; gap: 16px; }
.grid.two { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
.grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.four { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.metrics { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 10px; margin-bottom: 12px; }
.metric-card {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 58px;
  padding: 10px 14px;
}
.metric-card b { display: block; min-width: 34px; font-size: 24px; line-height: 1; }
.metric-card span { display: block; color: var(--muted); }

.card-title-row,
.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.toolbar { flex-wrap: wrap; }

.title-with-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.library-search {
  min-width: 320px;
}

.dashboard-search {
  min-width: 340px;
}

input,
select,
textarea {
  min-height: 38px;
  padding: 0 11px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--text);
  outline: none;
}

textarea {
  min-height: 96px;
  padding-top: 9px;
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(31,111,235,.12);
}

.btn {
  min-height: 38px;
  padding: 0 14px;
  border: 0;
  border-radius: 6px;
  font-weight: 800;
}

.btn.primary { color: #fff; background: var(--brand); box-shadow: 0 8px 18px rgba(31,111,235,.22); }
.btn.secondary { color: var(--brand); background: #fff; border: 1px solid rgba(31,111,235,.34); }
.btn.ghost { color: var(--muted); background: #f2f4f7; }
.btn.disabled,
.btn:disabled { cursor: not-allowed; opacity: .45; box-shadow: none; }
.text-btn { border: 0; background: transparent; color: var(--brand); font-weight: 800; }

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0 9px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
}

.badge.high,
.badge.danger { color: #b42318; background: #fff1f3; }
.badge.medium,
.badge.warning { color: #b54708; background: #fffaeb; }
.badge.low,
.badge.success { color: #067647; background: #ecfdf3; }
.badge.info { color: #175cd3; background: #eff6ff; }
.badge.muted { color: #475467; background: #f2f4f7; }
.badge.clause-category { border: 1px solid transparent; font-weight: 900; }
.badge.category-settlement { color: #175cd3; background: #eef4ff; border-color: #c7d7fe; }
.badge.category-acceptance { color: #276749; background: #edf7f1; border-color: #b7dfc6; }
.badge.category-liability { color: #8a4b00; background: #fff7e6; border-color: #f6d38b; }
.badge.category-change { color: #6941c6; background: #f4f0ff; border-color: #d9ccff; }
.badge.category-compliance { color: #0e7490; background: #ecfeff; border-color: #a5f3fc; }
.badge.category-dispute { color: #475467; background: #f3f6f9; border-color: #d7dee8; }
.badge.category-default { color: #344054; background: #f2f4f7; border-color: #d0d5dd; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 12px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: middle; }
th { background: #f8fafc; color: #475467; font-size: 12px; }
td strong { font-weight: 900; }

.role-split { display: grid; grid-template-columns: minmax(320px, .95fr) minmax(0, 1.45fr); gap: 16px; }
.review-layout { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: 14px; align-items: start; }
.review-layout.annotation-layout {
  grid-template-columns: minmax(560px, 1fr) 380px;
  gap: 0;
  align-items: stretch;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
}
.contract-paper { padding: 18px; border: 1px solid var(--line); border-radius: 8px; background: #fff; }
.annotation-paper {
  min-height: 720px;
  padding: 0;
  border: 0;
  border-radius: 0;
  background:
    linear-gradient(rgba(31,111,235,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(31,111,235,.035) 1px, transparent 1px),
    #fff;
  background-size: 120px 120px;
}
.contract-doc-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 58px;
  padding: 14px 16px;
  border-bottom: 1px solid #d9dee7;
  background: rgba(255,255,255,.92);
}
.contract-doc-toolbar strong,
.contract-doc-toolbar span { display: block; }
.contract-doc-toolbar strong { font-size: 16px; }
.contract-doc-toolbar span { color: var(--muted); font-size: 12px; }
.contract-table-doc { display: grid; }
.doc-row {
  display: grid;
  grid-template-columns: 185px minmax(0, 1fr);
  min-height: 70px;
  border-bottom: 1px solid #d9dee7;
}
.doc-label {
  padding: 16px 18px;
  border-right: 1px solid #d9dee7;
  color: #1f2937;
  font-weight: 800;
  background: rgba(248,250,252,.64);
}
.doc-content {
  position: relative;
  padding: 16px 20px;
  color: #1f2937;
  font-size: 15px;
  line-height: 1.75;
}
.doc-content p + p { margin-top: 10px; }
.doc-content mark {
  padding: 1px 3px;
  border-radius: 2px;
  background: linear-gradient(transparent 48%, #ffd24a 48%);
  color: #1f2937;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}
.doc-content[data-comment-id] { cursor: pointer; }
.doc-content.active {
  box-shadow: inset 4px 0 0 var(--brand), inset 0 0 0 999px rgba(31,111,235,.045);
}
.doc-content.active::after {
  content: "";
  position: absolute;
  right: 14px;
  top: 18px;
  width: 9px;
  height: 9px;
  border-radius: 999px;
  background: var(--brand);
  box-shadow: 0 0 0 4px rgba(31,111,235,.14);
}
.contract-meta { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 10px; margin-bottom: 14px; }
.contract-meta div { padding: 10px; border-radius: 7px; background: #f8fafc; }
.contract-meta span { display: block; color: var(--muted); font-size: 12px; }
.contract-meta b { display: block; margin-top: 3px; }
.contract-body { display: grid; gap: 12px; }
.clause-line { padding: 12px 14px; border-left: 3px solid #d0d5dd; border-radius: 6px; background: #fbfdff; cursor: pointer; }
.clause-line mark { padding: 2px 4px; border-radius: 4px; background: #fef3c7; color: #7a4b00; }
.clause-line.active { border-color: var(--brand); background: #eef5ff; }

.comment-panel { position: sticky; top: 18px; align-self: start; display: grid; min-width: 0; gap: 12px; }
.annotation-comments {
  position: relative;
  top: auto;
  align-self: stretch;
  gap: 0;
  min-height: 720px;
  border-left: 1px solid #d9dee7;
  background: #fbfcff;
}
.comment-panel-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 58px;
  padding: 0 18px;
  border-bottom: 1px solid #d9dee7;
  background: #fff;
}
.comment-panel-title strong { font-size: 17px; }
.comment-panel-title span { color: #98a2b3; font-size: 24px; letter-spacing: -4px; }
.comment-thread {
  display: grid;
  gap: 16px;
  padding: 246px 16px 88px;
}
.comment-card { padding: 13px; border: 1px solid var(--line); border-radius: 8px; background: #fff; cursor: pointer; }
.comment-card.active { border-color: var(--brand); box-shadow: 0 0 0 3px rgba(31,111,235,.1); }
.comment-card p { margin-top: 8px; color: var(--muted); }
.comment-card footer { display: flex; justify-content: space-between; margin-top: 10px; color: var(--muted); font-size: 12px; }
.annotation-comment {
  position: relative;
  padding: 16px 16px 14px;
  border-radius: 6px;
  border-color: #d4d9e2;
  background: #fff;
  box-shadow: 0 12px 26px rgba(16,24,40,.08);
}
.annotation-comment::before {
  content: "";
  position: absolute;
  inset: -1px -1px auto -1px;
  height: 6px;
  border-radius: 6px 6px 0 0;
  background: #fbbc04;
}
.annotation-comment.active {
  border-color: var(--brand);
  box-shadow: 0 0 0 2px rgba(31,111,235,.12), 0 16px 34px rgba(16,24,40,.12);
}
.annotation-comment.active::before { background: var(--brand); }
.comment-link-line {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  color: #667085;
  font-size: 13px;
}
.comment-link-line::before {
  content: "";
  width: 3px;
  height: 20px;
  border-radius: 999px;
  background: #c9d0db;
}
.comment-link-line span {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.comment-link-line i {
  flex: 1;
  height: 1px;
  background: #eaecf0;
}
.comment-author-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.comment-author-row b {
  width: 30px;
  height: 30px;
  display: inline-grid;
  place-items: center;
  border-radius: 999px;
  background: var(--brand);
  color: #fff;
  font-size: 12px;
  overflow: hidden;
}
.comment-author-row span { color: #98a2b3; font-size: 12px; }
.comment-reply-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-height: 40px;
  margin-top: 14px;
  padding: 0 10px;
  border: 1px solid #d0d5dd;
  border-radius: 7px;
  color: #98a2b3;
  background: #fff;
}
.floating-comment-btn {
  position: sticky;
  bottom: 18px;
  justify-self: end;
  width: 52px;
  height: 52px;
  margin: 0 18px 18px 0;
  border: 1px solid #d0d5dd;
  border-radius: 999px;
  background: #fff;
  color: #344054;
  font-weight: 900;
  box-shadow: 0 12px 28px rgba(16,24,40,.12);
}

.template-grid,
.clause-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.template-grid.compact {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.template-card,
.clause-card {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.template-card.selected,
.clause-card.selected {
  border-color: var(--brand);
  background: #f8fbff;
}

.template-card p,
.clause-card p { margin: 8px 0 12px; color: var(--muted); }

.template-card .body-snippet {
  color: #344054;
}

.library-groups {
  display: grid;
  gap: 22px;
}

.library-group {
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.library-group:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.draft-flow {
  display: grid;
  grid-template-columns: minmax(340px, .92fr) minmax(0, 1.08fr);
  gap: 16px;
}

.quality-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 380px;
  gap: 16px;
  align-items: start;
}

.quality-main,
.quality-side,
.risk-lookup-grid {
  display: grid;
  gap: 16px;
}

.form-grid {
  display: grid;
  gap: 12px;
}

.form-grid.two-col {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.form-grid label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-weight: 800;
}

.form-grid label span {
  font-size: 12px;
}

.actions {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}

.party-list {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.party-row {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfdff;
}

.party-row > span:first-child {
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
}

.score-row {
  display: grid;
  gap: 8px;
  margin-bottom: 14px;
}

.score-meter {
  height: 10px;
  border-radius: 999px;
  background: #eef2f7;
  overflow: hidden;
}

.score-meter i {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--brand);
}

.upload-box {
  display: grid;
  gap: 12px;
  padding: 16px;
  border: 1px dashed #b8c2d6;
  border-radius: 8px;
  background: #fbfdff;
}

.upload-box p {
  color: var(--muted);
}

.file-picker {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  width: max-content;
  padding: 0 14px;
  border-radius: 6px;
  color: #fff;
  background: var(--brand);
  font-weight: 800;
}

.file-picker input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.quality-result-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.quality-result-grid article,
.company-risk-card {
  padding: 13px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.quality-result-grid p,
.company-risk-card p {
  margin-top: 8px;
  color: var(--muted);
}

.company-risk-card.high-risk {
  border-color: rgba(239,68,68,.28);
  background: #fffafa;
}

.risk-score-line {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 10px;
}

.risk-score-line strong {
  font-size: 28px;
  line-height: 1;
}

.risk-score-line span {
  color: var(--muted);
  font-size: 12px;
}

.risk-signal-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.risk-signal-grid div {
  padding: 9px;
  border-radius: 7px;
  background: #f8fafc;
}

.risk-signal-grid span {
  display: block;
  color: var(--muted);
  font-size: 12px;
}

.risk-signal-grid b {
  display: block;
  margin-top: 2px;
}

.risk-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
}

.compact-flow .flow-item {
  grid-template-columns: 34px minmax(0, 1fr);
}

.compact-flow .flow-item > div:last-child {
  grid-column: 2;
}

.flow-demo-card {
  grid-column: 1 / -1;
}

.flow-mode-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.flow-mode-grid article {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfdff;
}

.flow-mode-grid p {
  margin-top: 8px;
  color: var(--muted);
}

.knowledge-contracts {
  display: grid;
  gap: 12px;
}

.dashboard-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.dashboard-layout.with-assignment {
  grid-template-columns: minmax(0, 1fr) 360px;
  align-items: start;
}

.long-contract-table {
  min-height: 520px;
}

.long-contract-table table {
  min-width: 920px;
}

.assignment-panel {
  position: sticky;
  top: 18px;
}

.assignment-flow {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 12px;
}

.assignment-flow div {
  padding: 10px;
  border-radius: 7px;
  background: #f8fafc;
}

.assignment-flow span,
.settings-table span {
  display: block;
  color: var(--muted);
  font-size: 12px;
}

.assignment-flow strong {
  display: block;
  margin-top: 3px;
}

.assignment-list {
  display: grid;
  gap: 8px;
  margin: 12px 0;
}

.assignment-list article {
  display: grid;
  grid-template-columns: minmax(90px, .5fr) minmax(0, 1fr) auto;
  gap: 8px;
  align-items: center;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfdff;
}

.assignment-list span {
  color: var(--muted);
  overflow-wrap: anywhere;
}

.ai-search-bar,
.custom-extract-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: 10px;
  margin-bottom: 14px;
}

/* V28: 知识库 AI 合同助手（醒目深色输入框，参考 Codex 风格） */
.ai-assistant {
  margin-bottom: 16px;
  padding: 14px;
  border-radius: 14px;
  background: linear-gradient(135deg, #11161f 0%, #1a2233 100%);
  border: 1px solid #2a3446;
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.22);
}

.ai-assistant-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.ai-assistant-title {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #f3f6fc;
}

.ai-assistant-title strong {
  font-size: 15px;
  letter-spacing: 0.3px;
}

.ai-assistant-sub {
  color: #8b97ad;
  font-size: 12px;
  margin-left: 2px;
}

.ai-spark {
  display: inline-grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border-radius: 7px;
  background: linear-gradient(135deg, #4f8cff, #7c5cff);
  color: #fff;
  font-size: 12px;
}

.ai-assistant-box {
  border-radius: 12px;
  background: #0c1018;
  border: 1px solid #2c3a52;
  padding: 12px 12px 8px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.ai-assistant-box:focus-within {
  border-color: #4f8cff;
  box-shadow: 0 0 0 3px rgba(79, 140, 255, 0.18);
}

.ai-assistant-box textarea {
  width: 100%;
  border: none;
  outline: none;
  resize: none;
  background: transparent;
  color: #eaf0fb;
  font-size: 14px;
  line-height: 1.6;
  font-family: inherit;
}

.ai-assistant-box textarea::placeholder {
  color: #5b6678;
}

.ai-assistant-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 8px;
}

.ai-tool-left,
.ai-tool-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.ai-tool-btn {
  display: inline-grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  border: 1px solid #33415a;
  background: #161d29;
  color: #aeb9cc;
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
  transition: all 0.15s ease;
}

.ai-tool-btn:hover {
  border-color: #4f8cff;
  color: #fff;
}

.ai-scope-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 30px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid #33415a;
  background: #161d29;
  color: #d7deea;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.ai-scope-pill:hover {
  border-color: #4f8cff;
  color: #fff;
}

.ai-scope-icon {
  color: #f59e0b;
  font-size: 12px;
}

.ai-caret {
  color: #8b97ad;
  font-size: 10px;
}

.ai-model {
  color: #8b97ad;
  font-size: 12px;
}

.ai-send-btn {
  display: inline-grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 9px;
  border: none;
  background: linear-gradient(135deg, #4f8cff, #3b6fe0);
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 6px 16px rgba(79, 140, 255, 0.4);
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}

.ai-send-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(79, 140, 255, 0.55);
}

.ai-send-btn:active {
  transform: translateY(0);
}

.ai-suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.ai-chip {
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid #313c52;
  background: rgba(255, 255, 255, 0.04);
  color: #b8c3d6;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.ai-chip:hover {
  border-color: #4f8cff;
  background: rgba(79, 140, 255, 0.12);
  color: #fff;
}

.ai-answer {
  margin-top: 12px;
  padding: 12px 14px;
  border-radius: 10px;
  background: rgba(79, 140, 255, 0.1);
  border: 1px solid rgba(79, 140, 255, 0.3);
}

.ai-answer-head {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #cfe0ff;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
}

.ai-answer p {
  color: #c2cde0;
  font-size: 13px;
  line-height: 1.6;
}

.ai-answer p strong {
  color: #fff;
}

.ai-answer-clear {
  margin-left: 8px;
  border: none;
  background: transparent;
  color: #7fa8ff;
  font-size: 12px;
  cursor: pointer;
  text-decoration: underline;
}

.ai-answer-intent {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin-top: 8px;
}

.ai-answer-intent > span {
  color: #8b97ad;
  font-size: 12px;
  margin-right: 2px;
}

.knowledge-card {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.knowledge-card > p {
  margin-top: 12px;
  color: var(--muted);
}

.knowledge-fields {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.knowledge-fields div {
  min-height: 62px;
  padding: 9px 10px;
  border-radius: 7px;
  background: #f8fafc;
}

.knowledge-fields span {
  display: block;
  color: var(--muted);
  font-size: 12px;
}

.knowledge-fields strong {
  display: block;
  margin-top: 3px;
  overflow-wrap: anywhere;
}

.custom-extract-panel {
  grid-column: 1 / -1;
}

.review-info-shell {
  display: grid;
  gap: 14px;
}

.review-info-heading {
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfdff;
}

.settings-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 16px;
}

.settings-table {
  display: grid;
  gap: 10px;
}

.settings-table article {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfdff;
}

.settings-table p {
  margin: 6px 0;
  color: #344054;
}

.template-table-wrap {
  overflow-x: visible;
}

.template-table {
  width: 100%;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.template-table-head,
.template-table-row {
  display: grid;
  grid-template-columns: minmax(210px, .95fr) minmax(240px, 1.05fr) 96px 122px 230px;
  gap: 10px;
  align-items: center;
  text-align: center;
}

.template-table-head {
  min-height: 44px;
  padding: 0 14px;
  color: #667085;
  background: #f8fafc;
  font-size: 12px;
  font-weight: 900;
}

.template-table-row {
  min-height: 112px;
  padding: 13px 14px;
  border-top: 1px solid var(--line);
  background: #fff;
}

.template-table-head span,
.template-table-row > div {
  min-width: 0;
  justify-self: center;
  width: 100%;
}

.template-table-row p,
.template-table-row span,
.template-table-row > div > span,
.template-table-row small {
  color: var(--muted);
}

.template-table-row > div > span {
  display: block;
  margin-bottom: 4px;
  font-size: 12px;
}

.template-table-row strong {
  display: block;
  margin: 0 auto;
  overflow-wrap: anywhere;
}

.template-table-row small {
  display: block;
  margin-top: 5px;
  line-height: 1.45;
  text-align: center;
}

.template-name-cell h3 {
  margin-bottom: 4px;
  text-align: center;
}

.template-actions {
  display: grid;
  grid-template-columns: repeat(5, max-content);
  justify-content: center;
  gap: 8px;
  min-width: 0;
}

.template-actions .text-btn {
  min-height: 28px;
  padding: 0;
  font-size: 13px;
  white-space: nowrap;
}

.pagination-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 12px;
  color: var(--muted);
  font-size: 13px;
}

.builder-stepper {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 14px;
}

.builder-stepper div {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.builder-stepper b {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 999px;
  color: var(--brand);
  background: #eff6ff;
}

.builder-stepper .done {
  border-color: rgba(16,185,129,.28);
  background: #f0fdf4;
}

.builder-stepper .pending {
  color: var(--muted);
}

.template-builder {
  display: grid;
  grid-template-columns: 420px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}

.clause-browser {
  display: grid;
  gap: 12px;
}

.filters.vertical {
  display: grid;
}

.clause-pick-list {
  display: grid;
  gap: 10px;
  max-height: 680px;
  overflow: auto;
  padding-right: 4px;
}

.clause-pick {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.clause-pick.selected {
  border-color: var(--brand);
  background: #f8fbff;
}

.clause-pick p {
  color: var(--muted);
}

.clause-pick footer {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 10px;
  margin-top: 10px;
  color: var(--muted);
  font-size: 12px;
}

.clause-source {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(96px, .7fr) 82px;
  gap: 8px;
  min-width: 0;
  flex: 1;
}

.clause-source div {
  min-width: 0;
  padding-top: 8px;
  border-top: 1px solid #e4e9f2;
}

.clause-source span {
  display: block;
  margin-bottom: 2px;
  color: #8a94a6;
  font-size: 11px;
  font-weight: 800;
}

.clause-source strong {
  display: block;
  color: #667085;
  font-size: 12px;
  font-weight: 800;
  line-height: 1.4;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.template-draft {
  display: grid;
  gap: 12px;
}

.template-preview {
  min-height: 280px;
}

.original-viewer {
  min-height: 640px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #eef2f7;
}

.original-viewer.scan {
  background:
    repeating-linear-gradient(0deg, rgba(15,23,42,.03), rgba(15,23,42,.03) 2px, transparent 2px, transparent 7px),
    #eef2f7;
}

.document-page {
  max-width: 760px;
  min-height: 560px;
  margin: 0 auto;
  padding: 42px;
  border: 1px solid #cfd7e6;
  border-radius: 4px;
  background: #fff;
  box-shadow: 0 16px 40px rgba(15,23,42,.12);
}

.document-page p {
  margin-top: 14px;
  color: #344054;
  line-height: 1.8;
}

.empty-state {
  padding: 24px;
  border: 1px dashed #b8c2d6;
  border-radius: 8px;
  color: var(--muted);
  background: #fbfdff;
}

.assembly-layout { display: grid; grid-template-columns: minmax(280px,.85fr) minmax(0,1.15fr); gap: 16px; }
.assembly-page { display: grid; grid-template-columns: 280px 340px minmax(280px,1fr); gap: 16px; }
.assembly-list { display: grid; gap: 10px; }
.assembly-item { display: flex; justify-content: space-between; gap: 10px; padding: 11px; border: 1px solid var(--line); border-radius: 7px; background: #fff; }
.assembly-preview-card { grid-column: 1 / -1; }
.preview-doc { min-height: 360px; padding: 18px; border: 1px solid var(--line); border-radius: 8px; background: #fff; }
.preview-doc.compact-doc { min-height: 220px; }
.preview-doc ol { margin: 16px 0 0; padding-left: 24px; }
.preview-doc li { margin-bottom: 10px; }

.module-list {
  display: grid;
  gap: 10px;
}

.module-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 54px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--text);
  background: #fff;
  text-align: left;
}

.module-item span {
  color: var(--muted);
  font-size: 12px;
}

.module-item.selected {
  border-color: var(--brand);
  background: #f8fbff;
  box-shadow: 0 0 0 3px rgba(31,111,235,.08);
}

.tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.tabs button { min-height: 34px; padding: 0 12px; border: 0; border-radius: 6px; color: var(--muted); background: #f2f4f7; font-weight: 800; }
.tabs button.active { color: #fff; background: var(--brand); }

.detail-tabs-row {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 6px 0 12px;
  margin-bottom: 16px;
  background: var(--panel);
}

.detail-tabs {
  margin-bottom: 0;
}

.review-original-entry {
  flex: 0 0 auto;
  margin-top: 0;
}

.decision-grid,
.analysis-layout,
.review-info-grid,
.version-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 16px;
}

.contract-detail-stack,
.annotation-shell {
  display: grid;
  gap: 16px;
}

.detail-action-bar,
.subpage-toolbar,
.annotation-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.detail-action-bar {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fafc;
}

.contract-detail-metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.contract-detail-metrics div {
  min-height: 64px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.contract-detail-metrics span {
  display: block;
  color: var(--muted);
  font-size: 12px;
}

.contract-detail-metrics strong {
  display: block;
  margin-top: 4px;
  overflow-wrap: anywhere;
}

.subpage-toolbar {
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.annotation-heading {
  align-items: flex-start;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fafc;
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.field-grid div {
  min-height: 62px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfdff;
}

.field-grid span,
.parse-status span,
.compare-picker span {
  display: block;
  color: var(--muted);
  font-size: 12px;
}

.field-grid strong,
.parse-status strong {
  display: block;
  margin-top: 4px;
}

.version-list,
.risk-list,
.diff-list,
.flow-list {
  display: grid;
  gap: 10px;
}

.version-row,
.risk-item,
.diff-item,
.flow-item {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.version-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 180px;
  gap: 12px;
  align-items: center;
}

.version-row p,
.version-row span,
.risk-item p,
.flow-item p {
  color: var(--muted);
}

.risk-item.open {
  border-color: rgba(239,68,68,.3);
  background: #fffafa;
}

.risk-item footer,
.comment-card footer {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 10px;
  color: var(--muted);
  font-size: 12px;
}

.decision-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 16px;
}

.segmented {
  display: inline-flex;
  gap: 6px;
  padding: 4px;
  margin-bottom: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.segmented button {
  min-height: 32px;
  padding: 0 12px;
  border: 0;
  border-radius: 6px;
  color: var(--muted);
  background: transparent;
  font-weight: 800;
}

.segmented button.active {
  color: #fff;
  background: var(--brand);
}

.parse-status {
  display: grid;
  gap: 10px;
  margin-bottom: 14px;
}

.parse-status div {
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfdff;
}

.compare-picker {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 14px;
}

.compare-picker label {
  display: grid;
  gap: 6px;
  font-weight: 800;
}

.diff-item.changed { border-left: 4px solid var(--info); }
.diff-item.added { border-left: 4px solid var(--success); }
.diff-item.open { border-left: 4px solid var(--danger); }

.diff-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.diff-columns p {
  padding: 10px;
  border-radius: 7px;
  background: #f8fafc;
}

.diff-columns > p > span:first-child {
  display: block;
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.diff-text {
  display: block;
  color: var(--text);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.9;
  overflow-wrap: anywhere;
}

.char-diff {
  display: inline-block;
  margin: 0 1px;
  padding: 1px 3px;
  min-width: 10px;
  border-radius: 4px;
  font-weight: 900;
}

.char-diff.added {
  color: #067647;
  background: #d1fadf;
}

.char-diff.removed {
  color: #b42318;
  background: #ffe4e8;
  text-decoration: line-through;
}

.char-diff.punctuation {
  color: #8a4b00;
  background: #fef0c7;
  box-shadow: inset 0 -2px 0 rgba(245,158,11,.42);
}

.flow-item {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) 180px;
  gap: 12px;
  align-items: center;
}

.flow-item b {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 999px;
  color: var(--brand);
  background: #eff6ff;
}

.danger-text { color: var(--danger); }

.milestone-board { display: grid; gap: 12px; }
.milestone-row { display: grid; grid-template-columns: 230px minmax(260px, 1fr) 190px 110px 70px; gap: 12px; align-items: center; padding: 13px; border: 1px solid var(--line); border-radius: 8px; background: #fff; }
.progress-track { height: 9px; border-radius: 999px; background: #eef2f7; overflow: hidden; }
.progress-track i { display: block; height: 100%; background: var(--brand); border-radius: inherit; }

.detail-shell {
  display: grid;
  gap: 16px;
}

.detail-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 420px;
  gap: 16px;
}

.search-empty { padding: 28px; color: var(--muted); text-align: center; }

.toast {
  position: fixed;
  right: 24px;
  bottom: 24px;
  padding: 12px 16px;
  border-radius: 8px;
  color: #fff;
  background: #101828;
  box-shadow: 0 18px 38px rgba(15,23,42,.2);
  z-index: 60;
}

@media (max-width: 1180px) {
  .metrics, .grid.four { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .grid.three, .template-grid, .clause-grid, .knowledge-fields { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .role-split, .review-layout, .assembly-layout, .draft-flow, .quality-layout, .assembly-page, .template-builder, .decision-grid, .analysis-layout, .review-info-grid, .version-layout, .compare-picker, .diff-columns, .flow-mode-grid, .detail-grid { grid-template-columns: 1fr; }
  .comment-panel { position: static; }
  .template-table-head { display: none; }
  .template-table-row {
    grid-template-columns: 1fr;
    gap: 8px;
    align-items: start;
  }
  .template-actions {
    justify-content: start;
    padding-top: 4px;
  }
}

@media (max-width: 1440px) {
  .annotation-shell .review-layout { grid-template-columns: 1fr; }
  .annotation-shell .comment-panel { position: static; }
}

@media (max-width: 1360px) {
  .contract-detail-metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 900px) {
  .sidebar { width: 64px; padding: 14px 8px; }
  .brand-block div:not(.brand-mark), .nav-section, .nav-item:not(.active) { display: none; }
  .brand-block { justify-content: center; padding: 0 0 14px; }
  .nav-item { justify-content: center; padding: 0; }
  .nav-item.active { width: 48px; }
  .nav-item { font-size: 0; }
  .main-shell { margin-left: 64px; padding: 16px; }
  .topbar {
    grid-template-columns: 1fr;
    align-items: stretch;
  }
  .topbar-spacer { display: none; }
  .demo-role-control {
    justify-self: stretch;
    display: grid;
    grid-template-columns: 1fr;
  }
  .demo-role-control > span {
    padding: 2px 8px 0;
  }
  .role-switch { width: 100%; }
  .role-switch button { flex: 1; padding: 0 8px; }
  .mock-user-card {
    justify-self: stretch;
    min-width: 0;
  }
  .mock-user-card span {
    max-width: none;
  }
  .page-header { display: block; }
  .metrics, .grid.two, .grid.three, .grid.four, .template-grid, .clause-grid, .contract-meta, .field-grid, .form-grid.two-col, .quality-result-grid, .knowledge-fields, .builder-stepper, .contract-detail-metrics { grid-template-columns: 1fr; }
  .filters {
    display: grid;
    grid-template-columns: 1fr;
    width: 100%;
  }
  .filters input,
  .filters select,
  .dashboard-search,
  .library-search {
    min-width: 0;
    width: 100%;
  }
  .long-contract-table {
    min-height: 0;
    max-width: 100%;
    overflow-x: auto;
  }
  .long-contract-table th,
  .long-contract-table td {
    white-space: normal;
  }
  .dashboard-layout.with-assignment,
  .settings-grid,
  .ai-search-bar,
  .custom-extract-form {
    grid-template-columns: 1fr;
  }
  .assignment-panel {
    position: static;
  }
  .assignment-flow,
  .assignment-list article {
    grid-template-columns: 1fr;
  }
  .clause-source { grid-template-columns: 1fr; }
  .milestone-row, .version-row, .flow-item, .party-row { grid-template-columns: 1fr; }
  .detail-action-bar, .subpage-toolbar, .annotation-heading { align-items: stretch; flex-direction: column; }
  .detail-action-bar .actions, .subpage-toolbar .actions, .annotation-heading .actions { justify-content: flex-start; }
  .pagination-bar { align-items: stretch; flex-direction: column; }
  .ai-assistant-sub { display: none; }
  .ai-assistant-toolbar { flex-wrap: wrap; gap: 8px; }
}

/* V28 新增样式 */
.archive-validation-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem;
  background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
  border-radius: 8px;
  margin: 1rem 0;
  border-left: 4px solid var(--primary-color);
}

.archive-validation-bar strong {
  color: var(--text-color);
  font-size: 0.95rem;
  margin-bottom: 0.25rem;
  display: block;
}

.archive-validation-bar p {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin: 0;
}

.archive-validation-bar .actions {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}