:root {
  --bg: #f6f5f2;
  --surface: #ffffff;
  --surface-2: #fbfaf8;
  --border: #e5e2dc;
  --border-strong: #d6d2ca;
  --text: #1f2328;
  --text-2: #4a5058;
  --muted: #7b828c;
  --primary: #1a6b63;
  --primary-dark: #14544e;
  --primary-soft: #e7f2f0;
  --accent: #8a6a3b;
  --warn: #b45309;
  --warn-soft: #fdf3e3;
  --danger: #b42318;
  --danger-soft: #fdeceb;
  --ok: #067647;
  --ok-soft: #e7f6ee;
  --info: #1d4ed8;
  --info-soft: #e8eefc;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow: 0 1px 2px rgba(16, 24, 40, .04), 0 1px 3px rgba(16, 24, 40, .06);
  --shadow-lg: 0 8px 24px rgba(16, 24, 40, .10);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 14px;
  line-height: 1.6;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

#app { display: flex; height: 100vh; overflow: hidden; }

/* ---------- 侧边栏 ---------- */
.sidebar {
  width: 226px;
  flex: 0 0 226px;
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}
.brand {
  padding: 18px 18px 14px;
  border-bottom: 1px solid var(--border);
}
.brand h1 {
  margin: 0;
  font-size: 17px;
  letter-spacing: .5px;
  color: var(--primary-dark);
  font-weight: 650;
}
.brand p {
  margin: 3px 0 0;
  font-size: 11px;
  color: var(--muted);
  line-height: 1.4;
}
.nav { padding: 10px 10px 20px; flex: 1; }
.nav-group {
  font-size: 11px;
  color: var(--muted);
  padding: 12px 10px 6px;
  letter-spacing: .6px;
}
.nav a {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 8px 11px;
  border-radius: var(--radius-sm);
  color: var(--text-2);
  font-size: 13.5px;
  margin-bottom: 1px;
}
.nav a:hover { background: var(--surface-2); text-decoration: none; }
.nav a.active {
  background: var(--primary-soft);
  color: var(--primary-dark);
  font-weight: 600;
}
.nav .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--border-strong); flex: 0 0 6px;
}
.nav a.active .dot { background: var(--primary); }
.sidebar-foot {
  padding: 12px 16px;
  border-top: 1px solid var(--border);
  font-size: 11px;
  color: var(--muted);
}
.sidebar-foot .key-state { display: flex; align-items: center; gap: 6px; }

/* ---------- 主区域 ---------- */
.main { flex: 1; overflow-y: auto; padding: 26px 32px 60px; }
.page-head {
  display: flex; justify-content: space-between; align-items: flex-start;
  gap: 16px; margin-bottom: 20px;
}
.page-head h2 { margin: 0 0 4px; font-size: 21px; font-weight: 650; }
.page-head .sub { color: var(--muted); font-size: 13px; margin: 0; max-width: 760px; }
.crumb { font-size: 12px; color: var(--muted); margin-bottom: 8px; }
.crumb a { color: var(--muted); }
.crumb a:hover { color: var(--primary); }

/* ---------- 卡片 ---------- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 16px;
  box-shadow: var(--shadow);
}
.card > h3 {
  margin: 0 0 14px;
  font-size: 15px;
  font-weight: 620;
  display: flex; align-items: center; gap: 8px; justify-content: space-between;
}
.card > h3 .hint { font-size: 12px; color: var(--muted); font-weight: 400; }
.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 1180px) {
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 860px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* ---------- 统计块 ---------- */
.stat {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  box-shadow: var(--shadow);
}
.stat .label { font-size: 12px; color: var(--muted); }
.stat .value { font-size: 24px; font-weight: 660; line-height: 1.25; margin-top: 2px; }
.stat .foot { font-size: 11.5px; color: var(--muted); margin-top: 2px; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--text);
  font-size: 13px;
  cursor: pointer;
  font-family: inherit;
  transition: background .12s, border-color .12s;
  white-space: nowrap;
}
.btn:hover { background: var(--surface-2); border-color: var(--muted); }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); }
.btn-ghost { background: transparent; border-color: transparent; color: var(--text-2); }
.btn-ghost:hover { background: var(--surface-2); }
.btn-danger { color: var(--danger); border-color: #f0c9c5; }
.btn-danger:hover { background: var(--danger-soft); }
.btn-sm { padding: 4px 9px; font-size: 12px; }
.btn-row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }

/* ---------- 表单 ---------- */
.field { margin-bottom: 13px; }
.field label { display: block; font-size: 12.5px; color: var(--text-2); margin-bottom: 5px; font-weight: 500; }
.field label .req { color: var(--danger); }
.field .tip { font-size: 11.5px; color: var(--muted); margin-top: 4px; }
input[type=text], input[type=number], input[type=url], input[type=datetime-local], select, textarea {
  width: 100%;
  padding: 7px 10px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  font-size: 13.5px;
  font-family: inherit;
  color: var(--text);
}
textarea { min-height: 84px; resize: vertical; line-height: 1.6; }
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-soft);
}
.field-row { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 12px; }
.field-row-3 { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 12px; }

/* ---------- 标签 ---------- */
.tag {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 1px 8px;
  border-radius: 20px;
  font-size: 11.5px;
  border: 1px solid var(--border-strong);
  background: var(--surface-2);
  color: var(--text-2);
  white-space: nowrap;
}
.tag-ok { background: var(--ok-soft); border-color: #b7e2cb; color: var(--ok); }
.tag-warn { background: var(--warn-soft); border-color: #f3d9ad; color: var(--warn); }
.tag-danger { background: var(--danger-soft); border-color: #f3c9c4; color: var(--danger); }
.tag-info { background: var(--info-soft); border-color: #c7d6f8; color: var(--info); }
.tag-primary { background: var(--primary-soft); border-color: #b9dbd6; color: var(--primary-dark); }
.tag-mute { background: #f1f0ec; border-color: var(--border); color: var(--muted); }

/* ---------- 表格 ---------- */
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { font-size: 12px; color: var(--muted); font-weight: 600; background: var(--surface-2); }
tbody tr:hover { background: var(--surface-2); }

/* ---------- 列表 ---------- */
.list-item {
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  padding: 11px 0; border-bottom: 1px solid var(--border);
}
.list-item:last-child { border-bottom: none; }
.list-item .title { font-weight: 550; }
.list-item .meta { font-size: 12px; color: var(--muted); margin-top: 2px; }

/* ---------- 空状态 ---------- */
.empty {
  padding: 34px 18px; text-align: center; color: var(--muted); font-size: 13px;
  border: 1px dashed var(--border-strong); border-radius: var(--radius); background: var(--surface-2);
}
.empty .big { font-size: 15px; color: var(--text-2); margin-bottom: 6px; font-weight: 550; }

/* ---------- 提示条 ---------- */
.note {
  padding: 10px 13px; border-radius: var(--radius-sm); font-size: 12.5px;
  background: var(--surface-2); border: 1px solid var(--border); color: var(--text-2);
  margin-bottom: 14px;
}
.note-warn { background: var(--warn-soft); border-color: #f3d9ad; color: #7c4a08; }
.note-danger { background: var(--danger-soft); border-color: #f3c9c4; color: #912018; }
.note-info { background: var(--info-soft); border-color: #c7d6f8; color: #1740a8; }
.note-ok { background: var(--ok-soft); border-color: #b7e2cb; color: #05603a; }

/* ---------- 进度/任务 ---------- */
.jobbar {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 13px; border-radius: var(--radius-sm);
  background: var(--surface-2); border: 1px solid var(--border);
  font-size: 12.5px; margin-bottom: 12px;
}
.spinner {
  width: 13px; height: 13px; border: 2px solid var(--border-strong);
  border-top-color: var(--primary); border-radius: 50%;
  animation: spin .7s linear infinite; flex: 0 0 13px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- 概念卡片 ---------- */
.concept-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px; display: flex; flex-direction: column;
  box-shadow: var(--shadow);
}
.concept-card.selected { border-color: var(--primary); box-shadow: 0 0 0 2px var(--primary-soft); }
.concept-card .dir {
  font-size: 11px; letter-spacing: .5px; color: var(--muted);
  display: flex; justify-content: space-between; align-items: center;
}
.concept-card h4 { margin: 6px 0 4px; font-size: 15.5px; }
.concept-card .sum { color: var(--text-2); font-size: 13px; min-height: 40px; }
.kv { display: grid; grid-template-columns: 74px 1fr; gap: 4px 10px; font-size: 12.5px; margin-top: 10px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; color: var(--text-2); }

/* ---------- 素材内容 ---------- */
.content-box {
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 14px 16px;
  font-size: 13.5px; line-height: 1.75; white-space: pre-wrap; word-break: break-word;
  max-height: 520px; overflow-y: auto;
}
.md h1, .md h2, .md h3 { margin: 1.1em 0 .5em; font-size: 15px; }
.md h1 { font-size: 17px; }
.md h3 { font-size: 14px; }
.md p { margin: .5em 0; }
.md ul, .md ol { margin: .5em 0; padding-left: 22px; }
.md strong { font-weight: 650; }
.md table { margin: .6em 0; font-size: 12.5px; }
.md hr { border: none; border-top: 1px solid var(--border); margin: 1em 0; }
.md blockquote { margin: .5em 0; padding-left: 10px; border-left: 3px solid var(--border-strong); color: var(--muted); }

/* ---------- 审核项 ---------- */
.issue {
  border: 1px solid var(--border); border-left: 3px solid var(--muted);
  border-radius: var(--radius-sm); padding: 11px 13px; margin-bottom: 10px; background: var(--surface);
}
.issue.sev-high { border-left-color: var(--danger); }
.issue.sev-medium { border-left-color: var(--warn); }
.issue.sev-low { border-left-color: var(--info); }
.issue .head { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-bottom: 5px; }
.issue .snippet { font-size: 12.5px; background: var(--surface-2); padding: 6px 9px; border-radius: 4px; color: var(--text-2); }
.issue .desc { font-size: 13px; margin: 5px 0; }
.issue .sug { font-size: 12.5px; color: var(--primary-dark); }

/* ---------- 标签页 ---------- */
.tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--border); margin-bottom: 16px; flex-wrap: wrap; }
.tabs button {
  padding: 8px 14px; border: none; background: none; cursor: pointer;
  font-size: 13.5px; color: var(--text-2); border-bottom: 2px solid transparent;
  font-family: inherit;
}
.tabs button.active { color: var(--primary-dark); border-bottom-color: var(--primary); font-weight: 600; }
.tabs button:hover { color: var(--primary); }

/* ---------- 弹层 ---------- */
.modal-mask {
  position: fixed; inset: 0; background: rgba(24, 28, 33, .38);
  display: flex; align-items: flex-start; justify-content: center;
  padding: 50px 20px; z-index: 100; overflow-y: auto;
}
.modal {
  background: var(--surface); border-radius: var(--radius); width: 100%; max-width: 720px;
  box-shadow: var(--shadow-lg); overflow: hidden;
}
.modal-head { padding: 15px 20px; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; }
.modal-head h3 { margin: 0; font-size: 15.5px; }
.modal-body { padding: 20px; max-height: 62vh; overflow-y: auto; }
.modal-foot { padding: 13px 20px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 8px; background: var(--surface-2); }

/* ---------- Toast ---------- */
#toast-wrap { position: fixed; top: 18px; right: 18px; z-index: 200; display: flex; flex-direction: column; gap: 8px; }
.toast {
  padding: 10px 15px; border-radius: var(--radius-sm); background: var(--surface);
  border: 1px solid var(--border); box-shadow: var(--shadow-lg); font-size: 13px; max-width: 380px;
}
.toast.ok { border-left: 3px solid var(--ok); }
.toast.err { border-left: 3px solid var(--danger); }
.toast.info { border-left: 3px solid var(--info); }

/* ---------- 其他 ---------- */
.row-between { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12px; }
.img-thumbs { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 8px; }
.img-thumbs img { width: 76px; height: 76px; object-fit: cover; border-radius: var(--radius-sm); border: 1px solid var(--border); }
.divider { height: 1px; background: var(--border); margin: 16px 0; }
.section-title { font-size: 13px; font-weight: 620; color: var(--text-2); margin: 16px 0 8px; }
.chip-row { display: flex; gap: 6px; flex-wrap: wrap; }
.chip {
  padding: 4px 11px; border-radius: 20px; border: 1px solid var(--border-strong);
  background: var(--surface); font-size: 12.5px; cursor: pointer; font-family: inherit; color: var(--text-2);
}
.chip:hover { border-color: var(--primary); color: var(--primary); }
.chip.on { background: var(--primary-soft); border-color: var(--primary); color: var(--primary-dark); font-weight: 550; }
.score-row { display: flex; justify-content: space-between; align-items: center; padding: 6px 0; border-bottom: 1px dashed var(--border); font-size: 13px; }
.score-row:last-child { border-bottom: none; }