/* Combined info + tags two-column block */
.info-tags-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px 22px;
  box-shadow: var(--shadow);
  margin-bottom: 24px;
}
.info-tags-row {
  display: grid;
  grid-template-columns: 3fr 7fr;
  gap: 0 36px;
}
.info-tags-col h3 {
  color: var(--accent);
  font-size: 14px;
  margin-bottom: 12px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border);
}
.inline-fields {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  align-items: baseline;
}
.inline-field {
  display: flex;
  align-items: baseline;
  gap: 6px;
}
.inline-field .il {
  font-size: 11px;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: .5px;
  white-space: nowrap;
}
.inline-field .iv {
  font-size: 13px;
  color: var(--text-dim);
}
.inline-field.tag-inline {
  margin-top: 6px;
  align-items: flex-start;
}
.inline-field.tag-inline .iv { flex: 1; }

.cat-inline-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 16px;
}
.cat-inline-row .badge { margin-right: 2px; }
.cat-inline-row .tag { font-size: 12px; }
.cat-sep { display: none; }

@media (max-width: 640px) {
  .info-tags-row { grid-template-columns: 1fr; gap: 20px; }
}

/* Codex-inspired light theme: green (#10a37f) + white */
:root {
  --bg: #ffffff;
  --bg-soft: #f7f7f8;
  --bg-card: #ffffff;
  --bg-sidebar: #f0fdf4;
  --border: #e5e7eb;
  --border-light: #f0f0f0;
  --text: #1a1a2e;
  --text-dim: #4b5563;
  --text-muted: #9ca3af;
  --accent: #10a37f;
  --accent-light: #d1fae5;
  --accent-hover: #0d8a6a;
  --accent-orange: #f59e0b;
  --accent-red: #ef4444;
  --tag-bg: #ecfdf5;
  --tag-text: #065f46;
  --shadow: 0 1px 3px rgba(0,0,0,.08);
  --font-base: 14px;
}
[data-theme="dark"] {
  --bg: #1a1a2e;
  --bg-soft: #16213e;
  --bg-card: #1e293b;
  --bg-sidebar: #0f172a;
  --border: #334155;
  --border-light: #1e293b;
  --text: #f1f5f9;
  --text-dim: #cbd5e1;
  --text-muted: #64748b;
  --accent: #10b981;
  --accent-light: #064e3b;
  --accent-hover: #34d399;
  --tag-bg: #064e3b;
  --tag-text: #6ee7b7;
  --shadow: 0 1px 3px rgba(0,0,0,.3);
}
[data-theme="sepia"] {
  --bg: #f5ecd9;
  --bg-soft: #efe3c8;
  --bg-card: #faf4e6;
  --bg-sidebar: #f0e6cc;
  --border: #d4c4a0;
  --border-light: #e8dcc0;
  --text: #3e2c1a;
  --text-dim: #5d4e37;
  --text-muted: #9c8b6b;
  --accent: #8b6914;
  --accent-light: #f0e0b0;
  --accent-hover: #6e5410;
  --tag-bg: #f0e0b0;
  --tag-text: #3e2c1a;
  --shadow: 0 1px 3px rgba(60,40,10,.1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, "Segoe UI", "Microsoft YaHei", sans-serif; background: var(--bg); color: var(--text); font-size: var(--font-base); transition: background .2s, color .2s; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
input, textarea, select, button { font-family: inherit; font-size: inherit; }

/* Settings bar */
.settings-bar { display: flex; align-items: center; gap: 6px; }
.settings-btn { width: 32px; height: 32px; border-radius: 6px; border: 1px solid var(--border); background: var(--bg-card); color: var(--text-dim); cursor: pointer; display: flex; align-items: center; justify-content: center; font-size: 15px; transition: all .15s; }
.settings-btn:hover { border-color: var(--accent); color: var(--accent); }
.settings-btn.active { background: var(--accent-light); border-color: var(--accent); color: var(--accent); }

/* Login */
.login-wrap { display: flex; align-items: center; justify-content: center; min-height: 100vh; background: var(--bg-soft); }
.login-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; padding: 36px; width: 380px; box-shadow: var(--shadow); }
.login-card h1 { font-size: 20px; margin-bottom: 6px; text-align: center; color: var(--accent); }
.login-card .subtitle { text-align: center; color: var(--text-muted); font-size: 13px; margin-bottom: 24px; }
.login-card .field { margin-bottom: 16px; }
.login-card label { display: block; font-size: 12px; color: var(--text-muted); margin-bottom: 6px; }
.login-card input { width: 100%; padding: 10px 12px; background: var(--bg-soft); border: 1px solid var(--border); border-radius: 8px; color: var(--text); }
.login-card input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-light); }
.login-error { color: var(--accent-red); font-size: 13px; margin-bottom: 12px; }

/* Buttons */
.btn { display: inline-block; padding: 8px 16px; border-radius: 8px; border: 1px solid var(--border); background: var(--bg-card); color: var(--text); cursor: pointer; font-size: 13px; transition: all .15s; }
.btn:hover { border-color: var(--accent); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn-danger { border-color: var(--accent-red); color: var(--accent-red); }
.btn-sm { padding: 5px 10px; font-size: 12px; }

/* Layout */
.layout { display: flex; min-height: 100vh; }
.sidebar { width: 220px; flex-shrink: 0; background: var(--bg-sidebar); border-right: 1px solid var(--border); padding: 14px 12px; }
.sidebar-section { font-size: 14px; font-weight: 700; color: var(--text); margin-bottom: 6px; margin-top: 14px; letter-spacing: .5px; padding: 2px 10px; }
.sidebar-section:first-child { margin-top: 0; }
.sidebar-item { padding: 6px 10px; border-radius: 6px; cursor: pointer; font-size: 13px; color: var(--text-dim); display: flex; justify-content: space-between; align-items: center; transition: all .12s; }
.sidebar-item:hover { background: var(--accent-light); color: var(--accent); }
.sidebar-item.active { background: var(--accent-light); color: var(--accent); font-weight: 600; }
.sidebar-item .count { color: var(--text-muted); font-size: 11px; background: var(--bg-card); padding: 1px 7px; border-radius: 10px; }
.sidebar-item.active .count { background: var(--accent); color: #fff; }
.sidebar-brand { font-size: 15px; font-weight: 700; padding: 4px 10px 14px; color: var(--accent); border-bottom: 1px solid var(--border); margin-bottom: 8px; }
.main { flex: 1; padding: 18px 24px; overflow-y: auto; }

/* Toolbar */
.toolbar { display: flex; gap: 10px; margin-bottom: 14px; align-items: center; }
.search-input { flex: 1; padding: 9px 14px; background: var(--bg-card); border: 1px solid var(--border); border-radius: 8px; color: var(--text); }
.search-input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-light); }
.field-filter { display: flex; gap: 6px; margin-bottom: 14px; flex-wrap: wrap; }
.chip { padding: 4px 12px; border-radius: 14px; font-size: 11px; cursor: pointer; background: var(--bg-soft); color: var(--text-dim); border: 1px solid transparent; transition: all .12s; }
.chip.active { background: var(--accent-light); color: var(--accent); border-color: var(--accent); }
.chip:hover { border-color: var(--border); }

/* Record cards */
.record-card { border: 1px solid var(--border); border-radius: 10px; padding: 16px; background: var(--bg-card); margin-bottom: 10px; cursor: pointer; transition: all .15s; box-shadow: var(--shadow); }
.record-card:hover { border-color: var(--accent); box-shadow: 0 2px 8px rgba(16,163,127,.12); }
.record-card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 6px; }
.record-card-title { font-weight: 600; font-size: 14px; }
.record-card-meta { color: var(--text-muted); font-size: 12px; margin-bottom: 8px; }
.badge { padding: 3px 10px; border-radius: 12px; font-size: 11px; }
.badge-green { background: var(--accent-light); color: var(--accent); }
.badge-blue { background: #eff6ff; color: #2563eb; }
[data-theme="dark"] .badge-blue { background: #1e3a5f; color: #93c5fd; }
.stars { color: var(--accent-orange); font-size: 12px; }
.tag { background: var(--tag-bg); color: var(--tag-text); padding: 2px 9px; border-radius: 4px; font-size: 11px; }
.badge-row { display: flex; gap: 6px; align-items: center; }
.tag-row { display: flex; gap: 6px; flex-wrap: wrap; }
mark { background: #fef08a; color: #1a1a2e; padding: 0 2px; border-radius: 2px; }

/* Detail page */
.detail-section { margin-bottom: 24px; }
.detail-section h3 { color: var(--accent); font-size: 14px; margin-bottom: 10px; padding-bottom: 6px; border-bottom: 1px solid var(--border); }
.detail-field { margin-bottom: 14px; }
.detail-field .label { font-size: 11px; text-transform: uppercase; color: var(--text-muted); margin-bottom: 4px; letter-spacing: .5px; }
.detail-field .value { color: var(--text-dim); line-height: 1.7; }
.detail-field .value.rich-content {
  min-width: 0;
  max-width: 100%;
  overflow-wrap: anywhere;
}
.rich-content pre,
.rich-content code,
.rich-content table {
  max-width: 100%;
}
.rich-content pre,
.rich-content table {
  display: block;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
}
.rich-content iframe,
.rich-content video,
.rich-content embed,
.rich-content object {
  max-width: 100%;
}
.detail-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 24px; }
.topic-detail-page {
  width: 100%;
  max-width: none;
  min-width: 0;
  padding: 18px 40px;
}
.topic-detail-page .detail-header,
.topic-detail-page #settings-bar,
.topic-detail-page #content {
  width: 100%;
  min-width: 0;
}

/* Upload form */
.form-section { border: 1px solid var(--border); border-radius: 10px; padding: 20px; background: var(--bg-card); margin-bottom: 14px; box-shadow: var(--shadow); }
.form-section h3 { font-size: 14px; margin-bottom: 14px; color: var(--accent); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-group { margin-bottom: 12px; }
.form-group label { display: block; font-size: 12px; color: var(--text-muted); margin-bottom: 4px; }
.form-group input, .form-group textarea, .form-group select { width: 100%; padding: 8px 10px; background: var(--bg-soft); border: 1px solid var(--border); border-radius: 8px; color: var(--text); }
.form-group input:focus, .form-group textarea:focus, .form-group select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-light); }
.form-group textarea { min-height: 80px; resize: vertical; line-height: 1.6; }

/* AI parse */
.ai-textarea { width: 100%; min-height: 200px; background: var(--bg-soft); border: 1px solid var(--border); border-radius: 8px; color: var(--text); padding: 12px; line-height: 1.6; resize: vertical; }
.ai-textarea:focus { outline: none; border-color: var(--accent); }

/* Attachments */
.att-item { display: flex; justify-content: space-between; align-items: center; padding: 10px 14px; border: 1px solid var(--border-light); border-radius: 8px; margin-bottom: 6px; background: var(--bg-soft); }
.att-item .att-name { font-size: 13px; }
.att-item .att-meta { font-size: 11px; color: var(--text-muted); }

/* Utility */
.empty { text-align: center; color: var(--text-muted); padding: 60px 20px; }
.top-right { display: flex; gap: 8px; align-items: center; }
.user-badge { font-size: 12px; color: var(--text-muted); }
.toast { position: fixed; bottom: 20px; right: 20px; padding: 12px 20px; background: var(--bg-card); border: 1px solid var(--border); border-radius: 10px; box-shadow: 0 4px 12px rgba(0,0,0,.12); z-index: 1000; font-size: 13px; }
.toast.success { border-color: var(--accent); color: var(--accent); }
.toast.error { border-color: var(--accent-red); color: var(--accent-red); }
:root {
--accent-blue: #3b82f6;
--accent-purple: #8b5cf6;
}
[data-theme="dark"] { --accent-blue: #60a5fa; --accent-purple: #a78bfa; }

/* Dashboard */
.stat-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 24px; }
.stat-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 10px; padding: 20px; text-align: center; box-shadow: var(--shadow); }
.stat-card .stat-value { font-size: 28px; font-weight: 700; color: var(--accent); }
.stat-card .stat-label { font-size: 12px; color: var(--text-muted); margin-top: 4px; }
.dashboard-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.chart-stack { display: flex; flex-direction: column; gap: 20px; margin-bottom: 20px; }
.chart-box { background: var(--bg-card); border: 1px solid var(--border); border-radius: 10px; padding: 20px; box-shadow: var(--shadow); margin-bottom: 0; }
.chart-box h3 { font-size: 14px; color: var(--accent); margin-bottom: 14px; }
.bar-row { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.bar-label { width: 140px; font-size: 12px; color: var(--text-dim); text-align: right; flex-shrink: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bar-track { flex: 1; height: 24px; background: var(--bg-soft); border-radius: 6px; overflow: hidden; }
.bar-fill { height: 100%; border-radius: 6px; transition: width .4s ease; min-width: 4%; }
.bar-value { width: 36px; font-size: 12px; font-weight: 600; color: var(--text-dim); flex-shrink: 0; }

/* Related cases */
.related-section { margin-top: 28px; }
.related-section h3 { font-size: 14px; color: var(--accent); margin-bottom: 12px; padding-bottom: 6px; border-bottom: 1px solid var(--border); }
.related-card { border: 1px solid var(--border); border-radius: 8px; padding: 12px 16px; background: var(--bg-soft); margin-bottom: 8px; cursor: pointer; transition: all .15s; }
.related-card:hover { border-color: var(--accent); background: var(--accent-light); }
.related-card-title { font-size: 13px; font-weight: 600; margin-bottom: 4px; }
.related-card-meta { font-size: 11px; color: var(--text-muted); }
.related-card-tags { margin-top: 6px; }
.related-card-tags .tag { font-size: 10px; padding: 1px 6px; }

@media (max-width: 768px) {
  .stat-cards { grid-template-columns: repeat(2, 1fr); }
  .dashboard-grid { grid-template-columns: 1fr; }
  .chart-stack { gap: 14px; }
  .form-row { grid-template-columns: 1fr; }
  .bar-label { width: 100px; }
  .engineer-month-row { grid-template-columns: 72px minmax(0, 1fr) 32px; gap: 7px; }
  .engineer-month-name { font-size: 11px; }
  .engineer-month-track { height: 20px; }
}
/* Dashboard filters */
.dashboard-filters { display: flex; gap: 16px; align-items: flex-end; flex-wrap: wrap; margin-bottom: 20px; padding: 14px 16px; background: var(--bg-card); border: 1px solid var(--border); border-radius: 10px; box-shadow: var(--shadow); }
.filter-row { display: flex; flex-direction: column; gap: 4px; }
.filter-label { font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: .5px; }
.filter-date { padding: 6px 10px; border: 1px solid var(--border); border-radius: 6px; background: var(--bg-soft); color: var(--text); font-size: 13px; cursor: pointer; }
.filter-date:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-light); }
.filter-select { padding: 6px 10px; border: 1px solid var(--border); border-radius: 6px; background: var(--bg-soft); color: var(--text); font-size: 13px; cursor: pointer; min-width: 150px; }
.filter-select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-light); }
.filter-sep { font-size: 12px; color: var(--text-muted); align-self: center; padding: 0 2px; }
.filter-info-text { color: var(--text-muted); font-size: 12px; margin-left: auto; align-self: center; }
/* Sidebar two-level categories */
.sidebar-primary {
  display: flex; justify-content: space-between; align-items: center;
  padding: 8px 10px; font-size: 14px; font-weight: 700; color: var(--text);
  cursor: pointer; border-radius: 6px; transition: all .12s;
  margin-top: 6px; letter-spacing: .3px;
}
.sidebar-primary:hover { background: var(--accent-light); }
.sidebar-primary[draggable="true"] { cursor: grab; }
.sidebar-primary[draggable="true"]:active { cursor: grabbing; }
.sidebar-primary.drag-over { border: 1px solid var(--accent); background: var(--accent-light); }
.sidebar-primary-name { display: flex; align-items: center; gap: 4px; }
.sidebar-primary-name::before {
  content: ""; width: 4px; height: 16px; border-radius: 2px;
  background: var(--accent); opacity: .5; flex-shrink: 0;
}
.sidebar-primary-count {
  font-size: 11px; color: var(--text-muted); font-weight: 400;
  background: var(--bg-card); padding: 1px 8px; border-radius: 10px;
}
.pc-admin-btns { display: inline-flex; align-items: center; gap: 2px; opacity: 0; transition: opacity .12s; }
.sidebar-primary:hover .pc-admin-btns { opacity: 1; }
.pc-edit-btn, .pc-del-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 20px; height: 20px; border-radius: 4px; cursor: pointer;
  font-size: 12px; color: var(--text-muted); transition: all .12s;
}
.pc-edit-btn:hover { color: var(--accent); background: var(--accent-light); }
.pc-del-btn:hover { color: var(--accent-red); background: #fee2e2; }
.sidebar-item.secondary.add-primary {
  margin-top: 8px; color: var(--accent); font-style: normal; font-weight: 600;
  border: 1px dashed var(--border); border-radius: 6px; text-align: center;
}
.sidebar-item.secondary.add-primary:hover { border-color: var(--accent); background: var(--accent-light); }
.sidebar-secondary-container { padding-left: 14px; border-left: 2px solid var(--border); margin-left: 10px; margin-bottom: 4px; }
.sidebar-item.secondary {
  font-size: 12.5px; padding: 4px 8px; color: var(--text-dim);
  border-radius: 5px; font-weight: 400; line-height: 1.5;
}
.sidebar-item.secondary:hover { color: var(--accent); }
.sidebar-item.secondary.active { font-weight: 600; }
.sidebar-section { margin-top: 12px; }

/* Comments */
.comments-section { margin-top: 28px; }
.comments-section h3 { font-size: 14px; color: var(--accent); margin-bottom: 14px; padding-bottom: 6px; border-bottom: 1px solid var(--border); }
.comment-item { border: 1px solid var(--border-light); border-radius: 8px; padding: 12px 14px; margin-bottom: 8px; background: var(--bg-soft); }
.comment-header { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; }
.comment-author { font-weight: 600; font-size: 13px; color: var(--accent); }
.comment-time { font-size: 11px; color: var(--text-muted); }
.comment-body { font-size: 13px; color: var(--text-dim); line-height: 1.6; }
.comment-body code { background: var(--bg-card); padding: 1px 4px; border-radius: 3px; font-size: 12px; }
.comment-body blockquote { border-left: 3px solid var(--accent); padding-left: 10px; margin: 4px 0; color: var(--text-muted); }
.comment-form { margin-top: 16px; }
.comment-form textarea { width: 100%; background: var(--bg-soft); border: 1px solid var(--border); border-radius: 8px; color: var(--text); padding: 10px 12px; font-size: 13px; resize: vertical; }
.comment-form textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-light); }
.comment-meta { font-size: 11px; color: var(--text-muted); }


/* View mode toggle */
.view-btn { font-size: 14px; padding: 3px 8px; line-height: 1; border: 1px solid var(--border); background: var(--bg-card); cursor: pointer; border-radius: 5px; transition: all .12s; }
.view-btn:hover { border-color: var(--accent); color: var(--accent); }
.view-btn.active { background: var(--accent); color: #fff; border-color: var(--accent); }

/* Grid mode layout */
.grid-mode { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 12px; }
.grid-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 8px;
  padding: 12px 14px; cursor: pointer; transition: all .15s;
  display: flex; flex-direction: column; gap: 6px; min-height: 110px;
}
.grid-card:hover { border-color: var(--accent); box-shadow: 0 2px 8px rgba(16,163,127,.12); transform: translateY(-1px); }
.grid-card-top { display: flex; justify-content: space-between; align-items: center; }
.grid-stars { font-size: 11px; }
.grid-card-title { font-size: 14px; font-weight: 600; color: var(--text); line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.grid-card-desc { font-size: 12px; color: var(--text-dim); line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; flex: 1; }
.grid-card-footer { display: flex; justify-content: space-between; align-items: center; font-size: 11px; color: var(--text-dim); border-top: 1px solid var(--border); padding-top: 6px; }
.grid-card-status { display: inline-flex; align-items: center; gap: 5px; flex-shrink: 0; margin-left: 8px; }
.review-badge {
  display: inline-flex; align-items: center; gap: 2px;
  padding: 1px 7px; border-radius: 999px;
  font-size: 10.5px; line-height: 1.6; white-space: nowrap;
  border: 1px solid transparent;
}
.review-badge.approved { color: #047857; background: #ecfdf5; border-color: #a7f3d0; }
.review-badge.pending { color: #92400e; background: #fffbeb; border-color: #fde68a; }


/* Engineer-month horizontal chart */
.engineer-month-chart { display: flex; flex-direction: column; gap: 8px; }
.engineer-month-row {
  display: grid; grid-template-columns: 92px minmax(0, 1fr) 42px;
  align-items: center; gap: 10px;
}
.engineer-month-name {
  min-width: 0; font-size: 12px; color: var(--text-dim); text-align: right;
  line-height: 1.25; word-break: break-all;
}
.engineer-month-track {
  display: flex; height: 23px; min-width: 0;
  background: var(--bg-soft); border-radius: 6px; overflow: hidden;
}
.engineer-month-segment {
  position: relative; min-width: 4px; height: 100%; flex: 0 0 auto;
  display: flex; align-items: center; justify-content: center; overflow: hidden;
}
.engineer-month-segment span {
  color: #334155; font-size: 10.5px; font-weight: 600; line-height: 1;
}
.engineer-month-total {
  font-size: 12px; font-weight: 600; color: var(--text-dim); text-align: left;
}
.engineer-month-legend {
  display: flex; flex-wrap: wrap; gap: 8px 16px; margin-top: 12px;
}
.engineer-month-legend-item {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 11.5px; color: var(--text-dim);
}
.engineer-month-legend-item i {
  width: 9px; height: 9px; border-radius: 2px; display: inline-block;
}


/* Rich text editor */
.rt-wrapper { border: 1px solid var(--border); border-radius: 8px; overflow: hidden; resize: vertical; min-height: 100px; }
.rt-toolbar { display: flex; gap: 4px; align-items: center; padding: 4px 8px; background: var(--bg-sidebar); border-bottom: 1px solid var(--border); }
.rt-btn { border: 1px solid var(--border); background: var(--bg-card); border-radius: 4px; padding: 2px 8px; cursor: pointer; font-size: 13px; color: var(--text); transition: all .1s; }
.rt-btn:hover { border-color: var(--accent); color: var(--accent); }
.rt-editor { padding: 10px 12px; outline: none; font-size: 13px; line-height: 1.7; color: var(--text-dim); }
.rt-editor.rt-empty::before { content: attr(data-ph); color: var(--text-muted); pointer-events: none; }
.rt-editor:focus { box-shadow: inset 0 0 0 1px var(--accent); }
.rt-editor img.inline-img { display: block; cursor: pointer; }
.rt-editor img.inline-img:hover { opacity: .9; }
.rt-editor p.kb-image { margin: 12px 0; }


/* Rich content rendering in detail page */
.rich-content img {
  display: block;
  max-width: 100%;
  border-radius: 8px;
  margin: 16px 0 !important;
  border: 1px solid var(--border);
  cursor: pointer;
}
.rich-content img:hover { opacity: .92; }
.rich-content p.kb-image { margin: 16px 0; }

/* Detail page: collapsible technical content */
.detail-field .value.rich-content {
  position: relative;
}
.detail-field .value.collapsed {
  max-height: 220px;
  overflow: hidden;
}
.detail-field .value.collapsed::after {
  content: "";
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 48px;
  background: linear-gradient(to bottom, transparent, var(--bg-card, #fff));
  pointer-events: none;
}
.expand-toggle {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 6px;
  padding: 3px 12px;
  font-size: 12px;
  color: var(--accent);
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  transition: all .15s;
  user-select: none;
}
.expand-toggle:hover { background: var(--accent); color: #fff; border-color: var(--accent); }

/* Detail page: resizable wrapper for rich-content */
.detail-field .resizable-wrap {
  resize: vertical;
  overflow-y: auto;
  min-height: 60px;
  border: 1px solid transparent;
  border-radius: 6px;
  transition: border-color .15s;
}
.detail-field .resizable-wrap:hover { border-color: var(--border); }
.detail-field .resizable-wrap:focus-within { border-color: var(--accent); }


/* Preview toggle dim when off */
#preview-toggle { opacity: .5; }
#preview-toggle.active { opacity: 1; }

/* Preview popup inline images */
#hover-preview img { max-width: 100%; border-radius: 6px; margin: 4px 0; }

/* Secondary category admin buttons - always visible for admins */
.sc-admin-btns { display: inline-flex; align-items: center; gap: 2px; margin-left: 4px; }
.sc-edit-btn, .sc-del-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 18px; height: 18px; border-radius: 4px; cursor: pointer;
  font-size: 11px; opacity: .5; transition: opacity .12s, background .12s;
}
.sc-edit-btn:hover { opacity: 1; background: var(--accent-light); color: var(--accent); }
.sc-del-btn:hover { opacity: 1; background: #fee2e2; color: var(--accent-red); }
.sidebar-item:hover .sc-edit-btn, .sidebar-item:hover .sc-del-btn { opacity: .8; }

.sidebar-item.secondary[draggable="true"] { cursor: grab; }
.sidebar-item.secondary[draggable="true"]:active { cursor: grabbing; }
.sidebar-item.secondary.drag-over { border-top: 2px solid var(--accent); }

.sidebar-resizer {
  width: 4px;
  cursor: col-resize;
  background: transparent;
  flex-shrink: 0;
  transition: background .15s;
}
.sidebar-resizer:hover, .sidebar-resizer.dragging {
  background: var(--accent);
}
.tertiary-item {
  color: var(--text-muted);
  font-size: 12px !important;
  padding: 3px 10px 3px 28px;
}
.tertiary-item:hover { color: var(--accent); background: var(--accent-light); }