/* ══════════════════════════════════════════════════════════════════════
   Heidan Dashboard — Cyberpunk Theme
   ══════════════════════════════════════════════════════════════════════ */

/* ── Dark mode (default) ── */
:root, :root[data-theme="dark"] {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-card: #1a1a2e;
  --bg-card-hover: #222240;
  --bg-input: #14141f;
  --border: #2a2a4a;
  --border-bright: #3a3a6a;
  --text-primary: #e0e0ff;
  --text-secondary: #8888aa;
  --text-muted: #555570;
  --accent-cyan: #00f0ff;
  --accent-magenta: #ff00aa;
  --accent-green: #00ff88;
  --accent-orange: #ff8800;
  --accent-red: #ff3355;
  --accent-yellow: #ffcc00;
  --glow: 0 0 10px rgba(0, 240, 255, 0.3);
  --glow-magenta: 0 0 10px rgba(255, 0, 170, 0.3);
  --glow-green: 0 0 8px rgba(0, 255, 136, 0.2);
  --shadow: 0 2px 8px rgba(0,0,0,0.4);
  --scrollbar-track: #0a0a0f;
  --scrollbar-thumb: #2a2a4a;
}

/* ── Light mode ── */
:root[data-theme="light"] {
  --bg-primary: #f5f5f8;
  --bg-secondary: #ffffff;
  --bg-card: #ffffff;
  --bg-card-hover: #f0f0f5;
  --bg-input: #f0f0f5;
  --border: #d0d0d8;
  --border-bright: #b0b0c0;
  --text-primary: #1a1a2e;
  --text-secondary: #555566;
  --text-muted: #888899;
  --accent-cyan: #0088aa;
  --accent-magenta: #cc0088;
  --accent-green: #008855;
  --accent-orange: #cc6600;
  --accent-red: #cc2244;
  --accent-yellow: #aa8800;
  --glow: none;
  --glow-magenta: none;
  --glow-green: none;
  --shadow: 0 2px 8px rgba(0,0,0,0.08);
  --scrollbar-track: #e8e8ee;
  --scrollbar-thumb: #c0c0d0;
}

/* ── Reset & base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

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

/* Scrollbar */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--scrollbar-track); }
::-webkit-scrollbar-thumb { background: var(--scrollbar-thumb); border-radius: 4px; }

/* ══════════════════════════════════════════════════════════════════════
   Layout
   ══════════════════════════════════════════════════════════════════════ */

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 1.5rem;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.app-title {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.app-title .heidan { color: var(--accent-cyan); }

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* ── Theme toggle ── */
.theme-toggle {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 0.3rem 0.7rem;
  border-radius: 4px;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.8rem;
  transition: all 0.2s;
}
.theme-toggle:hover {
  border-color: var(--accent-cyan);
  box-shadow: var(--glow);
}

/* ── Admin toggle (gear icon) ── */
.admin-toggle {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 0.3rem 0.6rem;
  border-radius: 4px;
  cursor: pointer;
  font-size: 1rem;
  transition: all 0.2s;
}
.admin-toggle:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

/* ══════════════════════════════════════════════════════════════════════
   App body — flex layout for history sidebar + chat main
   ══════════════════════════════════════════════════════════════════════ */

.app-body {
  display: flex;
  height: calc(100vh - 50px);
  overflow: hidden;
}

/* ══════════════════════════════════════════════════════════════════════
   History Sidebar — left panel with conversation list
   ══════════════════════════════════════════════════════════════════════ */

.history-sidebar {
  width: 280px;
  flex-shrink: 0;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  transition: width 0.25s ease, border 0.25s ease;
  overflow: hidden;
}

.history-sidebar.collapsed {
  width: 0;
  border-right: none;
}

.history-toggle {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.1rem;
  cursor: pointer;
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
  transition: color 0.2s;
  margin-right: 0.5rem;
}
.history-toggle:hover { color: var(--accent-cyan); }

.history-header {
  padding: 0.8rem 1rem;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.history-new-btn {
  width: 100%;
  background: none;
  border: 1px dashed var(--border);
  border-radius: 6px;
  padding: 0.6rem 0.8rem;
  color: var(--text-secondary);
  cursor: pointer;
  font-family: inherit;
  font-size: 0.8rem;
  font-weight: 600;
  transition: all 0.2s;
}
.history-new-btn:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

.history-list {
  flex: 1;
  overflow-y: auto;
  padding: 0.5rem 0;
}

.history-group-label {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  padding: 0.8rem 1rem 0.3rem;
}

.history-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  cursor: pointer;
  border-left: 3px solid transparent;
  transition: all 0.15s;
  position: relative;
}
.history-item:hover {
  background: var(--bg-card-hover);
}
.history-item.active {
  border-left-color: var(--accent-cyan);
  background: var(--bg-card);
}

.history-item-title {
  flex: 1;
  font-size: 0.78rem;
  color: var(--text-secondary);
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  line-height: 1.4;
}
.history-item.active .history-item-title {
  color: var(--text-primary);
}

.history-item-delete {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.9rem;
  padding: 0 0.2rem;
  opacity: 0;
  transition: all 0.15s;
  flex-shrink: 0;
}
.history-item:hover .history-item-delete {
  opacity: 1;
}
.history-item-delete:hover {
  color: var(--accent-red);
}

/* ══════════════════════════════════════════════════════════════════════
   Chat Main — full-page centered chat area
   ══════════════════════════════════════════════════════════════════════ */

.chat-main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  height: 100%;
}

/* ── Report cards ── */
.report-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.2rem 1.5rem;
  margin-bottom: 1.2rem;
  animation: card-enter 0.3s ease;
}
@keyframes card-enter {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
.report-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}
.report-card-type { font-size: 0.65rem; text-transform: uppercase; letter-spacing: 0.08em; }
.report-card-time { font-size: 0.7rem; color: var(--text-muted); }
.report-card-title { font-size: 0.95rem; font-weight: 600; margin-bottom: 0.8rem; }
.report-card-body { font-size: 0.85rem; line-height: 1.7; color: var(--text-secondary); }
.report-card-body strong { color: var(--text-primary); }

/* ── Report card detail collapsible ── */
.report-card-details {
  margin-top: 0.8rem;
  padding-top: 0.8rem;
  border-top: 1px solid var(--border);
}
.report-card-details-toggle {
  background: none;
  border: none;
  color: var(--text-muted);
  font-family: inherit;
  font-size: 0.75rem;
  cursor: pointer;
  padding: 0.2rem 0;
  transition: color 0.2s;
}
.report-card-details-toggle:hover { color: var(--accent-cyan); }
.report-card-details-content {
  display: none;
  margin-top: 0.5rem;
  font-size: 0.78rem;
  color: var(--text-muted);
}
.report-card-details-content.visible { display: block; }

/* ── Report card big value ── */
.report-big-value {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--accent-cyan);
  margin-bottom: 0.5rem;
}

/* ── Report card next-step items ── */
.report-next-step {
  background: var(--bg-card-hover);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.8rem 1rem;
  margin-bottom: 0.5rem;
}
.report-next-step .step-action {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.3rem;
}
.report-next-step .step-desc {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* ── Settlement bar visualization ── */
.settlement-bar-container {
  margin: 1rem 0;
  background: var(--bg-card-hover);
  border-radius: 6px;
  padding: 0.6rem;
}
.settlement-bar {
  display: flex;
  height: 28px;
  border-radius: 4px;
  overflow: hidden;
}
.settlement-bar-low {
  background: rgba(0, 240, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  color: var(--accent-cyan);
}
.settlement-bar-zone {
  background: rgba(0, 255, 136, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  color: var(--accent-green);
  font-weight: 600;
}
.settlement-bar-high {
  background: rgba(255, 0, 170, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  color: var(--accent-magenta);
}
.settlement-bar-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-top: 0.3rem;
}

/* ══════════════════════════════════════════════════════════════════════
   Admin Drawer — full-screen overlay
   ══════════════════════════════════════════════════════════════════════ */

.admin-drawer {
  position: fixed;
  inset: 0;
  background: var(--bg-primary);
  z-index: 250;
  display: flex;
  flex-direction: column;
}
.admin-drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.8rem 1.5rem;
  border-bottom: 1px solid var(--border);
}
.admin-drawer-header h3 {
  font-size: 1rem;
  color: var(--text-primary);
}
.admin-drawer-header button {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.4rem;
  cursor: pointer;
  padding: 0.2rem 0.5rem;
  transition: color 0.2s;
}
.admin-drawer-header button:hover { color: var(--accent-red); }
.admin-tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border);
  padding: 0 1rem;
}
.admin-tab {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-secondary);
  padding: 0.6rem 1rem;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.8rem;
  transition: all 0.2s;
}
.admin-tab:hover { color: var(--text-primary); }
.admin-tab.active {
  color: var(--accent-cyan);
  border-bottom-color: var(--accent-cyan);
}
.admin-content {
  flex: 1;
  overflow-y: auto;
  padding: 1.5rem;
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
}
.admin-panel { display: none; }
.admin-panel.active { display: block; }

/* ══════════════════════════════════════════════════════════════════════
   Cards
   ══════════════════════════════════════════════════════════════════════ */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1.2rem;
  transition: all 0.2s;
}

.card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-bright);
  box-shadow: var(--shadow);
}

.card-title {
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.card-value {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 0.3rem;
}

.card-value.cyan { color: var(--accent-cyan); }
.card-value.magenta { color: var(--accent-magenta); }
.card-value.green { color: var(--accent-green); }
.card-value.orange { color: var(--accent-orange); }

.card-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* ── Stat row ── */
.stat-row {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1rem 1.3rem;
  flex: 1;
  min-width: 160px;
  text-align: center;
}

/* ── Tables ── */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
}

.data-table th {
  text-align: left;
  padding: 0.6rem 0.8rem;
  border-bottom: 2px solid var(--border);
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.data-table td {
  padding: 0.5rem 0.8rem;
  border-bottom: 1px solid var(--border);
}

.data-table tr:hover td {
  background: var(--bg-card-hover);
}

.data-table .clickable { cursor: pointer; }
.data-table .clickable:hover { color: var(--accent-cyan); }

/* ── Badges ── */
.badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 3px;
  font-size: 0.7rem;
  font-weight: 600;
}

.badge.green { background: rgba(0,255,136,0.15); color: var(--accent-green); }
.badge.yellow { background: rgba(255,204,0,0.15); color: var(--accent-yellow); }
.badge.red { background: rgba(255,51,85,0.15); color: var(--accent-red); }
.badge.cyan { background: rgba(0,240,255,0.12); color: var(--accent-cyan); }
.badge.magenta { background: rgba(255,0,170,0.12); color: var(--accent-magenta); }
.badge.orange { background: rgba(255,136,0,0.15); color: var(--accent-orange); }

/* ── Sigma indicators ── */
.sigma-bar {
  display: inline-block;
  height: 6px;
  border-radius: 3px;
  min-width: 40px;
  max-width: 100px;
}

.sigma-high { background: var(--accent-green); box-shadow: var(--glow-green); }
.sigma-mid { background: var(--accent-yellow); }
.sigma-low { background: var(--accent-red); }
.sigma-zero { background: var(--text-muted); }

/* ── Inputs ── */
.input-group {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  margin-bottom: 1rem;
}

.input-group label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.input-group input,
.input-group select,
.input-group textarea {
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 0.5rem 0.7rem;
  border-radius: 4px;
  font-family: inherit;
  font-size: 0.85rem;
  transition: border-color 0.2s;
}

.input-group input:focus,
.input-group select:focus,
.input-group textarea:focus {
  outline: none;
  border-color: var(--accent-cyan);
  box-shadow: var(--glow);
}

.input-row {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.input-row .input-group { flex: 1; min-width: 180px; }

/* ── Buttons ── */
.btn {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 0.5rem 1.2rem;
  border-radius: 4px;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  transition: all 0.2s;
}

.btn:hover {
  border-color: var(--accent-cyan);
  box-shadow: var(--glow);
}

.btn-primary {
  background: var(--accent-cyan);
  color: var(--bg-primary);
  border-color: var(--accent-cyan);
}

.btn-primary:hover {
  background: #00d8e8;
}

/* ── Section headings ── */
.section-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.section-title.cyan { color: var(--accent-cyan); }
.section-title.magenta { color: var(--accent-magenta); }

.subsection-title {
  font-size: 0.9rem;
  font-weight: 600;
  margin: 1.5rem 0 0.8rem;
  color: var(--text-secondary);
}

/* ── Mermaid diagrams ── */
.mermaid-container {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1.5rem;
  margin: 1rem 0;
  overflow-x: auto;
}

.mermaid-container svg { max-width: 100%; }

/* ── Plotly chart container ── */
.chart-container {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.5rem;
  margin: 1rem 0;
}

/* ── Upload zone ── */
.upload-zone {
  border: 2px dashed var(--border);
  border-radius: 8px;
  padding: 3rem 2rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s;
}

.upload-zone:hover, .upload-zone.dragover {
  border-color: var(--accent-cyan);
  background: rgba(0, 240, 255, 0.03);
  box-shadow: var(--glow);
}

.upload-zone .upload-icon {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
  color: var(--text-muted);
}

.upload-zone .upload-text {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* ── Markdown content (rendered) ── */
.md-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1.5rem;
  margin: 1rem 0;
  font-size: 0.85rem;
  line-height: 1.7;
  overflow-x: auto;
  max-height: 500px;
  overflow-y: auto;
}

.md-content h2 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent-cyan);
  margin: 1.2rem 0 0.5rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.3rem;
}

.md-content h3 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent-magenta);
  margin: 1rem 0 0.4rem;
}

.md-content h4 {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0.8rem 0 0.3rem;
}

.md-content strong { color: var(--text-primary); }

.md-content ul, .md-content ol {
  margin: 0.3rem 0 0.5rem 1.2rem;
}

.md-content li {
  margin-bottom: 0.2rem;
}

.md-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 0.5rem 0;
  font-size: 0.8rem;
}

.md-content table th,
.md-content table td {
  border: 1px solid var(--border);
  padding: 0.3rem 0.6rem;
  text-align: left;
}

.md-content table th {
  background: var(--bg-card-hover);
  font-weight: 600;
  color: var(--text-secondary);
}

.md-content hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 1rem 0;
}

/* ══════════════════════════════════════════════════════════════════════
   Taxonomy heatmap grid
   ══════════════════════════════════════════════════════════════════════ */

.taxonomy-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 0.6rem;
  margin: 1rem 0;
}

.taxonomy-node {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.6rem 0.8rem;
  cursor: pointer;
  transition: all 0.2s;
  font-size: 0.75rem;
}

.taxonomy-node:hover {
  border-color: var(--accent-cyan);
  transform: translateY(-1px);
}

.taxonomy-node.sigma-critical {
  border-color: var(--accent-red);
  box-shadow: 0 0 8px rgba(255, 51, 85, 0.3);
}

.taxonomy-node.sigma-starving {
  border-color: var(--accent-orange);
  animation: pulse-glow 2s infinite;
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 5px rgba(255, 136, 0, 0.2); }
  50% { box-shadow: 0 0 15px rgba(255, 136, 0, 0.4); }
}

.taxonomy-node .node-name {
  font-weight: 600;
  margin-bottom: 0.2rem;
  word-break: break-word;
}

.taxonomy-node .node-sigma {
  font-weight: 700;
}

/* ── Filters ── */
.filter-bar {
  display: flex;
  gap: 0.8rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
  align-items: center;
}

.filter-bar select, .filter-bar input {
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 0.4rem 0.6rem;
  border-radius: 4px;
  font-family: inherit;
  font-size: 0.8rem;
}

/* ── Fact vector toggles ── */
.fact-toggles {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin: 0.5rem 0;
}

.fact-toggle {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 0.3rem 0.7rem;
  border-radius: 4px;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.78rem;
  transition: all 0.2s;
}

.fact-toggle.active {
  background: rgba(0, 255, 136, 0.15);
  border-color: var(--accent-green);
  color: var(--accent-green);
}

/* ── Loading spinner ── */
.loading {
  text-align: center;
  padding: 2rem;
  color: var(--text-muted);
}

.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--accent-cyan);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ── Empty states ── */
.empty-state {
  text-align: center;
  padding: 3rem;
  color: var(--text-muted);
}

/* (chat-toggle and chat-sidebar removed — replaced by history-sidebar + chat-main) */

/* ── Chat header ── */

.chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 1rem;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.chat-header-title {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-cyan);
  letter-spacing: 0.05em;
}

.chat-header-actions {
  display: flex;
  gap: 0.4rem;
}

.chat-header-actions button {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  width: 26px;
  height: 26px;
  border-radius: 3px;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.7rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.chat-header-actions button:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

/* ── Chat messages ── */

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 1.5rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.chat-messages-inner {
  max-width: 768px;
  margin: 0 auto;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.chat-welcome {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.chat-welcome h4 {
  color: var(--accent-cyan);
  font-size: 0.85rem;
  margin-bottom: 0.4rem;
}

.chat-welcome p {
  margin-bottom: 0.5rem;
}

/* ── Chat suggestion buttons ── */
.chat-suggestions {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 0.8rem;
}
.chat-suggestion {
  background: var(--bg-card-hover);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.5rem 0.8rem;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.78rem;
  color: var(--text-secondary);
  text-align: left;
  transition: all 0.2s;
}
.chat-suggestion:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

.chat-msg {
  max-width: 100%;
  padding: 0.7rem 0.9rem;
  border-radius: 6px;
  font-size: 0.85rem;
  line-height: 1.6;
  word-wrap: break-word;
  white-space: pre-wrap;
}

.chat-msg.user {
  max-width: 80%;
}

.chat-msg.user {
  align-self: flex-end;
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid rgba(0, 240, 255, 0.3);
  color: var(--text-primary);
}

.chat-msg.assistant {
  align-self: flex-start;
  background: rgba(255, 0, 170, 0.06);
  border: 1px solid rgba(255, 0, 170, 0.25);
  color: var(--text-primary);
}

/* ── Markdown inside chat messages ── */

.chat-msg.assistant h2,
.chat-msg.assistant h3 { font-size: 0.85rem; margin: 0.8rem 0 0.3rem; color: var(--accent-cyan); }
.chat-msg.assistant h2:first-child,
.chat-msg.assistant h3:first-child { margin-top: 0; }
.chat-msg.assistant p { margin: 0.3rem 0; }
.chat-msg.assistant hr { border: none; border-top: 1px solid rgba(255,255,255,0.1); margin: 0.6rem 0; }
.chat-msg.assistant ul,
.chat-msg.assistant ol { margin: 0.3rem 0; padding-left: 1.4rem; }
.chat-msg.assistant blockquote {
  border-left: 2px solid var(--accent-magenta);
  margin: 0.4rem 0;
  padding: 0.2rem 0.6rem;
  color: var(--text-secondary);
  font-style: italic;
}
.chat-msg.assistant table {
  width: 100%;
  border-collapse: collapse;
  margin: 0.4rem 0;
  font-size: 0.78rem;
}
.chat-msg.assistant th,
.chat-msg.assistant td {
  border: 1px solid rgba(255,255,255,0.1);
  padding: 0.25rem 0.5rem;
  text-align: left;
}
.chat-msg.assistant th {
  background: rgba(0, 240, 255, 0.08);
  color: var(--accent-cyan);
  font-weight: 600;
}
.chat-msg.assistant code {
  background: rgba(0,0,0,0.3);
  padding: 0.1rem 0.3rem;
  border-radius: 3px;
  font-size: 0.78rem;
}
.chat-msg.assistant pre {
  background: rgba(0,0,0,0.3);
  padding: 0.5rem;
  border-radius: 4px;
  overflow-x: auto;
  margin: 0.4rem 0;
}
.chat-msg.assistant pre code { background: none; padding: 0; }
.chat-msg.assistant strong { color: var(--text-primary); }
.chat-msg.assistant em { color: var(--text-secondary); }

/* ── Tool call blocks ── */

.chat-tool-call {
  margin: 0.4rem 0;
  border: 1px solid var(--accent-orange);
  border-radius: 4px;
  overflow: hidden;
  font-size: 0.75rem;
}

.chat-tool-call-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.3rem 0.6rem;
  background: rgba(255, 136, 0, 0.1);
  color: var(--accent-orange);
  cursor: pointer;
  font-weight: 600;
}

.chat-tool-call-body {
  display: none;
  padding: 0.5rem 0.6rem;
  background: var(--bg-card);
  font-family: inherit;
  font-size: 0.72rem;
  white-space: pre-wrap;
  max-height: 200px;
  overflow-y: auto;
  color: var(--text-secondary);
}

.chat-tool-call.expanded .chat-tool-call-body {
  display: block;
}

/* ── Chat input ── */

.chat-input-wrapper {
  border-top: 1px solid var(--border);
  background: var(--bg-secondary);
  flex-shrink: 0;
  padding: 0.6rem 1rem;
}

/* ── Attached files strip ── */
.chat-attached-files {
  max-width: 768px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
}
.chat-attached-files:empty { display: none; }
.chat-file-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.2rem 0.5rem;
  font-size: 0.7rem;
  color: var(--text-secondary);
  margin-bottom: 0.3rem;
}
.chat-file-chip.ready {
  border-color: var(--accent-green);
  color: var(--accent-green);
}
.chat-file-chip.error {
  border-color: var(--accent-magenta);
  color: var(--accent-magenta);
}
.chat-file-chip-icon { font-size: 0.8rem; }
.chat-file-chip-name {
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.chat-file-chip-remove {
  background: none;
  border: none;
  color: inherit;
  cursor: pointer;
  font-size: 0.9rem;
  padding: 0 0.1rem;
  opacity: 0.6;
}
.chat-file-chip-remove:hover { opacity: 1; }
.spinner-sm {
  display: inline-block;
  width: 10px;
  height: 10px;
  border: 2px solid var(--border);
  border-top-color: var(--accent-cyan);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.chat-input-area {
  display: flex;
  gap: 0.5rem;
  max-width: 768px;
  margin: 0 auto;
  align-items: flex-end;
}

/* ── Attach button ── */
.chat-attach-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 0.5rem;
  border-radius: 4px;
  cursor: pointer;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.2s, color 0.2s;
}
.chat-attach-btn:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}
.chat-input-area textarea.drag-over {
  border-color: var(--accent-cyan);
  background: rgba(0, 240, 255, 0.05);
}

.chat-input-area textarea {
  flex: 1;
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 0.5rem 0.6rem;
  border-radius: 4px;
  font-family: inherit;
  font-size: 0.85rem;
  resize: none;
  min-height: 48px;
  max-height: 200px;
  line-height: 1.4;
}

.chat-input-area textarea:focus {
  outline: none;
  border-color: var(--accent-cyan);
}

.chat-input-area .chat-send-btn {
  background: var(--accent-cyan);
  color: var(--bg-primary);
  border: none;
  padding: 0.5rem 0.8rem;
  border-radius: 4px;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.75rem;
  font-weight: 700;
  white-space: nowrap;
  flex-shrink: 0;
}

.chat-input-area .chat-send-btn:hover {
  background: #00d8e8;
}

.chat-input-area .chat-send-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ── Chat settings modal overlay ── */

.chat-settings-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 300;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.chat-settings-overlay.visible {
  display: flex;
}

.chat-settings {
  background: var(--bg-secondary);
  border: 1px solid var(--border-bright);
  border-radius: 8px;
  padding: 1.5rem 2rem;
  max-width: 500px;
  width: 100%;
  max-height: 80vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

.chat-settings h3 {
  font-size: 0.9rem;
  color: var(--accent-cyan);
  margin-bottom: 0.3rem;
}

.chat-settings .input-group {
  margin-bottom: 0.5rem;
}

.chat-settings .btn {
  margin-top: 0.5rem;
}

/* ── Chat spinner ── */

.chat-spinner {
  align-self: flex-start;
  padding: 0.6rem 0.8rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ── Streaming status indicator ── */

.chat-stream-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.8rem;
  font-size: 0.75rem;
  color: var(--accent-orange);
  letter-spacing: 0.02em;
}

.chat-turn-separator {
  text-align: center;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 0.6rem 0;
}

/* ── Inline report cards (rendered inside chat messages) ── */

.chat-report-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem 1.2rem;
  margin: 0.5rem 0;
}

.chat-report-card .report-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}
.chat-report-card .report-card-type { font-size: 0.65rem; text-transform: uppercase; letter-spacing: 0.08em; }
.chat-report-card .report-card-title { font-size: 0.92rem; font-weight: 600; margin-bottom: 0.6rem; }
.chat-report-card .report-card-body { font-size: 0.82rem; line-height: 1.7; color: var(--text-secondary); }
.chat-report-card .report-card-body strong { color: var(--text-primary); }

/* ══════════════════════════════════════════════════════════════════════
   Modal overlay (taxonomy detail, etc.)
   ══════════════════════════════════════════════════════════════════════ */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.modal-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-bright);
  border-radius: 8px;
  padding: 1.5rem 2rem;
  max-width: 600px;
  width: 100%;
  max-height: 80vh;
  overflow-y: auto;
  position: relative;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

.modal-close {
  position: absolute;
  top: 0.5rem;
  right: 0.7rem;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.4rem;
  cursor: pointer;
  line-height: 1;
  transition: color 0.2s;
}

.modal-close:hover {
  color: var(--accent-red);
}

/* ══════════════════════════════════════════════════════════════════════
   PI Pipeline step indicator
   ══════════════════════════════════════════════════════════════════════ */

.pipeline-steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
  overflow-x: auto;
  padding: 1rem 0;
}

.pipeline-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
  min-width: 100px;
  position: relative;
}

.pipeline-step-dot {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 2px solid var(--border-bright);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--text-secondary);
  z-index: 1;
}

.pipeline-step.active .pipeline-step-dot {
  border-color: var(--accent-cyan);
  background: rgba(0, 240, 255, 0.15);
  color: var(--accent-cyan);
  box-shadow: var(--glow);
}

.pipeline-step.completed .pipeline-step-dot {
  border-color: var(--accent-green);
  background: rgba(0, 255, 136, 0.15);
  color: var(--accent-green);
}

.pipeline-step-label {
  font-size: 0.7rem;
  font-weight: 600;
  margin-top: 0.4rem;
  text-align: center;
  color: var(--text-secondary);
}

.pipeline-step.active .pipeline-step-label {
  color: var(--accent-cyan);
}

.pipeline-step-meta {
  font-size: 0.62rem;
  color: var(--text-muted);
  text-align: center;
  margin-top: 0.2rem;
  max-width: 100px;
}

.pipeline-step-connector {
  position: absolute;
  top: 15px;
  left: calc(50% + 16px);
  right: calc(-50% + 16px);
  height: 2px;
  background: var(--border-bright);
}

.pipeline-step.completed .pipeline-step-connector {
  background: var(--accent-green);
}

.pipeline-step:last-child .pipeline-step-connector {
  display: none;
}

/* ══════════════════════════════════════════════════════════════════════
   Info card
   ══════════════════════════════════════════════════════════════════════ */

.info-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent-cyan);
  border-radius: 6px;
  padding: 1rem 1.2rem;
  margin-bottom: 1.5rem;
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

.info-card h4 {
  color: var(--accent-cyan);
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.info-card code {
  background: var(--bg-input);
  padding: 0.1rem 0.4rem;
  border-radius: 3px;
  font-size: 0.78rem;
  color: var(--accent-green);
}

/* ══════════════════════════════════════════════════════════════════════
   Sigma legend
   ══════════════════════════════════════════════════════════════════════ */

.sigma-legend {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: center;
  font-size: 0.75rem;
}

.sigma-legend-item {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.sigma-legend-dot {
  width: 12px;
  height: 12px;
  border-radius: 2px;
  flex-shrink: 0;
}

/* ══════════════════════════════════════════════════════════════════════
   Disbursement filter controls
   ══════════════════════════════════════════════════════════════════════ */

.disb-filters {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 1rem;
  padding: 0.8rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
}

.disb-filters label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.disb-filters select,
.disb-filters input[type="number"] {
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 0.3rem 0.5rem;
  border-radius: 4px;
  font-family: inherit;
  font-size: 0.8rem;
  width: 100px;
}

/* Checkbox toggle style */
.toggle-label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  cursor: pointer;
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.toggle-label input[type="checkbox"] {
  accent-color: var(--accent-cyan);
}

/* ── Collapsible section ── */
.collapsible-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  padding: 0.6rem 0;
  user-select: none;
}

.collapsible-header:hover {
  color: var(--accent-cyan);
}

.collapsible-arrow {
  transition: transform 0.2s;
  font-size: 0.8rem;
}

.collapsible-header.open .collapsible-arrow {
  transform: rotate(90deg);
}

/* ── Trace replay ── */
.trace-step {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.4rem 0.6rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.78rem;
}

.trace-step:last-child {
  border-bottom: none;
}

.trace-step-num {
  font-weight: 700;
  color: var(--text-muted);
  width: 40px;
  text-align: center;
  flex-shrink: 0;
}

.trace-step-action {
  color: var(--accent-orange);
  font-weight: 600;
  min-width: 80px;
}

.trace-step-state {
  color: var(--accent-cyan);
  font-weight: 600;
  min-width: 80px;
}

.trace-step-hash {
  color: var(--text-muted);
  font-family: inherit;
  font-size: 0.72rem;
}

.trace-step-fact {
  color: var(--text-secondary);
  font-size: 0.72rem;
}

.trace-match {
  color: var(--accent-green);
  font-weight: 700;
}

/* ── Case position form ── */
.position-form {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 1rem;
}

.position-output {
  margin-top: 1.5rem;
}

/* ══════════════════════════════════════════════════════════════════════
   Export dropdown
   ══════════════════════════════════════════════════════════════════════ */

.export-dropdown {
  position: relative;
  display: inline-block;
}

.export-menu {
  display: none;
  position: absolute;
  right: 0;
  top: 100%;
  margin-top: 0.3rem;
  background: var(--bg-card);
  border: 1px solid var(--border-bright);
  border-radius: 4px;
  box-shadow: var(--shadow);
  z-index: 10;
  min-width: 140px;
}

.export-menu.visible { display: block; }

.export-menu-item {
  display: block;
  width: 100%;
  background: none;
  border: none;
  color: var(--text-primary);
  padding: 0.5rem 0.8rem;
  font-family: inherit;
  font-size: 0.8rem;
  cursor: pointer;
  text-align: left;
  transition: background 0.15s;
}

.export-menu-item:hover {
  background: var(--bg-card-hover);
  color: var(--accent-cyan);
}

/* ══════════════════════════════════════════════════════════════════════
   Print styles
   ══════════════════════════════════════════════════════════════════════ */

@media print {
  body { background: #fff; color: #1a1a2e; }
  .app-header, .history-sidebar, .admin-drawer,
  .export-dropdown, .chat-input-wrapper,
  .admin-toggle, .theme-toggle, .history-toggle,
  .report-card-details-toggle { display: none !important; }
  .app-body { display: block; height: auto; overflow: visible; }
  .chat-main { height: auto; }
  .chat-messages { overflow: visible; }
  .report-card, .chat-report-card {
    border: 1px solid #ccc;
    break-inside: avoid;
    page-break-inside: avoid;
  }
  .report-card-details-content { display: block !important; }
  :root {
    --bg-primary: #fff;
    --bg-card: #fff;
    --text-primary: #1a1a2e;
    --text-secondary: #555;
    --border: #ccc;
  }
  @page { margin: 1.5cm; }
}

/* ══════════════════════════════════════════════════════════════════════
   Login page
   ══════════════════════════════════════════════════════════════════════ */

.login-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 2rem;
}

.login-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 3rem 2.5rem;
  text-align: center;
  max-width: 360px;
  width: 100%;
  box-shadow: var(--shadow);
}

.login-logo {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--accent-cyan);
  margin-bottom: 0.3rem;
}

.login-subtitle {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.login-btn {
  display: inline-block;
  width: 100%;
  padding: 0.7rem 1.2rem;
  font-size: 0.9rem;
  text-align: center;
  margin-bottom: 1rem;
}

.login-note {
  font-size: 0.72rem;
  color: var(--text-muted);
}

.login-error {
  background: rgba(255, 51, 85, 0.1);
  border: 1px solid var(--accent-red);
  border-radius: 4px;
  padding: 0.5rem 0.8rem;
  font-size: 0.8rem;
  color: var(--accent-red);
  margin-bottom: 1.5rem;
}

/* ══════════════════════════════════════════════════════════════════════
   Header docs link + user info
   ══════════════════════════════════════════════════════════════════════ */

.header-docs-link {
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  padding: 0.3rem 0.5rem;
  border-radius: 4px;
  transition: color 0.2s;
  text-decoration: none;
}

.header-docs-link:hover,
.header-docs-link.active {
  color: var(--accent-cyan);
  text-decoration: none;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.user-avatar {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1px solid var(--border);
}

.user-name {
  color: var(--text-primary);
  font-weight: 600;
}

.user-logout {
  color: var(--text-muted);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  transition: color 0.2s;
}

.user-logout:hover {
  color: var(--accent-red);
  text-decoration: none;
}

/* ══════════════════════════════════════════════════════════════════════
   Docs page
   ══════════════════════════════════════════════════════════════════════ */

.docs-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

.docs-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--accent-cyan);
  margin-bottom: 2rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.docs-section {
  margin-bottom: 2.5rem;
}

.docs-section h2 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent-magenta);
  margin-bottom: 0.8rem;
}

.docs-section p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 0.8rem;
}

.docs-section ul {
  margin: 0.5rem 0 0.8rem 1.2rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.docs-section li {
  margin-bottom: 0.3rem;
}

.docs-section code {
  background: var(--bg-input);
  padding: 0.1rem 0.4rem;
  border-radius: 3px;
  font-size: 0.8rem;
  color: var(--accent-green);
}

.docs-tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.docs-tool-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1rem 1.2rem;
}

.docs-tool-card h3 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--accent-cyan);
  margin-bottom: 0.4rem;
}

.docs-tool-card p {
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.docs-example {
  background: var(--bg-card-hover);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.35rem 0.6rem;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 0.3rem;
  font-style: italic;
}

/* ── About page ── */

.about-hero {
  text-align: center;
  padding: 2rem 0 1.5rem;
}

.about-hero-title {
  font-size: 2.4rem;
  font-weight: 900;
  letter-spacing: 0.15em;
  color: var(--accent-cyan);
  margin-bottom: 0.3rem;
  text-shadow: var(--glow);
}

.about-hero-tagline {
  font-size: 1rem;
  font-weight: 600;
  color: var(--accent-magenta);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.8rem;
}

.about-hero-sub {
  font-size: 0.85rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

.about-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.about-stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.2rem;
  text-align: center;
}

.about-stat-number {
  font-size: 2rem;
  font-weight: 900;
  color: var(--accent-magenta);
  letter-spacing: 0.05em;
}

.about-stat-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-cyan);
  margin-bottom: 0.5rem;
}

.about-stat-card p {
  font-size: 0.78rem;
  color: var(--text-secondary);
  line-height: 1.5;
  text-align: left;
  margin: 0;
}

.about-capability-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

/* ── Responsive ── */
/* ══════════════════════════════════════════════════════════════════════
   Data Sources panel
   ══════════════════════════════════════════════════════════════════════ */

.data-sources-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.source-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1rem 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.source-card:hover {
  border-color: var(--accent-cyan);
}

.source-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.source-name {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-primary);
}

.source-desc {
  font-size: 0.78rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.source-meta {
  display: flex;
  gap: 1.2rem;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.source-meta strong {
  color: var(--text-primary);
}

.source-origin {
  font-size: 0.7rem;
  color: var(--text-dim);
  font-style: italic;
}

.status-badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 3px;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}

/* ══════════════════════════════════════════════════════════════════════
   Responsive — mobile (<768px)
   ══════════════════════════════════════════════════════════════════════ */

@media (max-width: 768px) {
  .history-sidebar {
    position: fixed;
    top: 50px;
    left: 0;
    bottom: 0;
    z-index: 200;
    width: 280px;
    transform: translateX(0);
    transition: transform 0.25s ease;
  }
  .history-sidebar.collapsed {
    width: 280px;
    border-right: 1px solid var(--border);
    transform: translateX(-100%);
  }
  .chat-messages-inner,
  .chat-input-area {
    max-width: 100%;
  }
}

.status-badge.cyan { background: rgba(0,240,255,0.12); color: var(--accent-cyan); }
.status-badge.green { background: rgba(0,255,136,0.15); color: var(--accent-green); }
.status-badge.orange { background: rgba(255,170,0,0.15); color: var(--accent-orange); }
.status-badge.magenta { background: rgba(255,0,170,0.12); color: var(--accent-magenta); }
.status-badge.dim { background: rgba(128,128,128,0.15); color: var(--text-secondary); }

/* ══════════════════════════════════════════════════════════════════════
   Data Interrogation Tab
   ══════════════════════════════════════════════════════════════════════ */

.data-main {
  flex: 1;
  overflow-y: auto;
  padding: 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

.data-loading {
  text-align: center;
  padding: 4rem 1rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.data-spinner {
  width: 28px;
  height: 28px;
  border: 2px solid var(--border);
  border-top-color: var(--accent-cyan);
  border-radius: 50%;
  animation: data-spin 0.8s linear infinite;
}

@keyframes data-spin {
  to { transform: rotate(360deg); }
}

.data-retry-btn {
  margin-top: 0.5rem;
  padding: 0.4rem 1.2rem;
  background: transparent;
  border: 1px solid var(--accent-cyan);
  color: var(--accent-cyan);
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
}

.data-retry-btn:hover {
  background: rgba(0,240,255,0.1);
}

.data-hero {
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

.data-hero-title {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--accent-cyan);
}

.data-hero-sub {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 0.3rem;
}

.data-category {
  margin-bottom: 2rem;
}

.data-category-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.8rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--border);
  letter-spacing: 0.03em;
}

.data-subcategory-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-cyan);
  margin: 1rem 0 0.5rem;
}

.source-query-tag {
  display: inline-block;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--accent-green);
  background: rgba(0,255,136,0.1);
  padding: 0.1rem 0.4rem;
  border-radius: 3px;
  margin-left: 0.3rem;
  vertical-align: middle;
}

.source-tables {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  margin-top: 0.3rem;
}

.source-table-tag {
  font-size: 0.65rem;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 0.1rem 0.4rem;
  color: var(--text-secondary);
}

/* ── Infrastructure grid ── */

.infra-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
  margin-top: 0.5rem;
}

.infra-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1rem 1.2rem;
}

.infra-card:hover {
  border-color: var(--accent-cyan);
}

.infra-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  font-size: 0.85rem;
}

.infra-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.infra-status-dot.active { background: var(--accent-green); box-shadow: var(--glow-green); }
.infra-status-dot.planned { background: var(--accent-orange); }
.infra-status-dot.offline { background: var(--text-muted); }

.infra-details {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* ── Exploration ideas ── */

.ideas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 0.8rem;
  margin-bottom: 1rem;
}

.idea-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.8rem 1rem;
}

.idea-card:hover {
  border-color: var(--border-bright);
}

.idea-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.3rem;
}

.idea-status {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.idea-status.idea { background: var(--text-muted); }
.idea-status.planned { background: var(--accent-orange); }
.idea-status.in-progress { background: var(--accent-cyan); box-shadow: var(--glow); }
.idea-status.done { background: var(--accent-green); box-shadow: var(--glow-green); }

.idea-title {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-primary);
  flex: 1;
}

.idea-status-label {
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.idea-status-label.idea { color: var(--text-muted); }
.idea-status-label.planned { color: var(--accent-orange); }
.idea-status-label.in-progress { color: var(--accent-cyan); }
.idea-status-label.done { color: var(--accent-green); }

.idea-desc {
  font-size: 0.75rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.idea-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  margin-top: 0.4rem;
}

.idea-tag {
  font-size: 0.6rem;
  background: rgba(0,240,255,0.08);
  border: 1px solid rgba(0,240,255,0.2);
  border-radius: 3px;
  padding: 0.1rem 0.4rem;
  color: var(--accent-cyan);
}

/* ── Data legend ── */

.data-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  padding: 0.8rem 1.2rem;
  margin-bottom: 0.5rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-card);
  font-size: 0.75rem;
  align-items: center;
}

.legend-section {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.legend-title {
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  font-size: 0.6rem;
  letter-spacing: 0.08em;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  color: var(--text-secondary);
}

.legend-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 1px;
}

.legend-swatch {
  display: inline-block;
  border: 1.5px solid;
  width: 12px;
  height: 12px;
  text-align: center;
  line-height: 10px;
  font-size: 10px;
  color: inherit;
}

.legend-line {
  display: inline-block;
  width: 24px;
  height: 0;
  border-top: 2px solid var(--accent-cyan);
}

.legend-line.dashed {
  border-top-style: dashed;
  border-top-color: #888;
}

.legend-note {
  color: var(--text-secondary);
  font-size: 0.65rem;
  font-style: italic;
}

/* ── Data lineage graph ── */

.data-graph-wrap {
  position: relative;
  height: 650px;
  margin-bottom: 2rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  background: var(--bg-card);
}

.data-graph-container {
  width: 100%;
  height: 100%;
}

.data-graph-container svg {
  display: block;
  touch-action: none;
  user-select: none;
}

.graph-zoom-controls {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  display: flex;
  gap: 0.3rem;
  z-index: 10;
}

.graph-zoom-controls button {
  width: 28px;
  height: 28px;
  background: var(--bg-main);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-primary);
  font-size: 0.75rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.graph-zoom-controls button:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

.graph-tooltip {
  display: none;
  position: absolute;
  max-width: 320px;
  padding: 0.6rem 0.8rem;
  background: var(--bg-card);
  border: 1px solid var(--accent-cyan);
  border-radius: 6px;
  font-size: 0.78rem;
  color: var(--text-primary);
  line-height: 1.4;
  z-index: 20;
  pointer-events: none;
  box-shadow: 0 4px 24px rgba(0,0,0,0.85);
  opacity: 1;
  backdrop-filter: none;
}

.graph-node:hover circle,
.graph-node:hover rect {
  filter: brightness(1.8);
  stroke-width: 2.5;
}

/* ── Tier & group hierarchy ── */

.data-tier {
  margin-bottom: 1.5rem;
}

.data-tier-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--accent-cyan);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin: 1.2rem 0 0.3rem;
  padding-bottom: 0.3rem;
  border-bottom: 1px solid rgba(0,240,255,0.15);
}

.data-group-title {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0.8rem 0 0.4rem;
  padding-left: 0.3rem;
}

/* ── Gaps list ── */

.gaps-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 0.5rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}

.gap-row {
  display: grid;
  grid-template-columns: 100px 1fr 2fr 2fr;
  gap: 1rem;
  padding: 0.6rem 1rem;
  font-size: 0.78rem;
  border-bottom: 1px solid var(--border);
  align-items: baseline;
}

.gap-row:last-child {
  border-bottom: none;
}

.gap-row:hover {
  background: rgba(0,240,255,0.03);
}

.gap-scope {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent-orange);
}

.gap-name {
  font-weight: 600;
  color: var(--text-primary);
}

.gap-note {
  color: var(--text-secondary);
  font-size: 0.75rem;
}

.gap-action {
  color: var(--accent-cyan);
  font-size: 0.7rem;
  font-style: italic;
}

/* ── Section count badge ── */

.data-count {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--accent-cyan);
  background: rgba(0,240,255,0.1);
  padding: 0.1rem 0.5rem;
  border-radius: 10px;
  margin-left: 0.5rem;
  vertical-align: middle;
}

/* ── Database & Index cards ── */

.data-db-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.db-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1.2rem 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.db-card:hover {
  border-color: var(--accent-cyan);
}

.index-card {
  border-left: 3px solid var(--accent-green);
}

.db-desc {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.db-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.db-meta strong {
  color: var(--text-primary);
}

.db-tables-list {
  margin-top: 0.3rem;
  border-top: 1px solid var(--border);
  padding-top: 0.5rem;
}

.db-tables-header {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  text-transform: uppercase;
  margin-bottom: 0.3rem;
}

.db-table-row {
  display: flex;
  justify-content: space-between;
  padding: 0.15rem 0;
  font-size: 0.72rem;
}

.db-table-name {
  color: var(--text-primary);
  font-family: monospace;
  font-size: 0.7rem;
}

.db-table-rows {
  color: var(--text-secondary);
  font-size: 0.68rem;
}

/* ── Active nav link ── */

.header-docs-link.active {
  color: var(--accent-cyan);
  border-bottom: 2px solid var(--accent-cyan);
}

@media (max-width: 768px) {
  .card-grid { grid-template-columns: 1fr; }
  .input-row { flex-direction: column; }
  .welcome-actions { grid-template-columns: 1fr; }

  /* Chat sidebar: full-width overlay on mobile */
  .chat-sidebar {
    position: fixed;
    top: 0;
    right: 0;
    width: 100vw;
    height: 100vh;
    z-index: 200;
  }
  .chat-sidebar.collapsed {
    display: none;
  }
}


/* ══════════════════════════════════════════════════════════════════════
   Report Card — Outcome Prediction
   ══════════════════════════════════════════════════════════════════════ */
.outcome-bar {
  display: flex;
  height: 28px;
  border-radius: 4px;
  overflow: hidden;
}
.outcome-segment {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 600;
  color: white;
  min-width: 3%;
  transition: width 0.3s ease;
}
.outcome-segment.plaintiff { background: var(--accent-cyan); }
.outcome-segment.defendant { background: var(--accent-orange); }
.outcome-segment.settlement { background: var(--accent-green); }
.outcome-segment.dismissed { background: var(--text-muted); opacity: 0.5; }
.outcome-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 0.5rem;
  font-size: 0.78rem;
}
.outcome-legend-item { display: flex; align-items: center; }
.outcome-legend-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
  margin-right: 4px;
}
.outcome-legend-dot.plaintiff { background: var(--accent-cyan); }
.outcome-legend-dot.defendant { background: var(--accent-orange); }
.outcome-legend-dot.settlement { background: var(--accent-green); }
.outcome-legend-dot.dismissed { background: var(--text-muted); }

/* ══════════════════════════════════════════════════════════════════════
   Report Card — Duration Estimate
   ══════════════════════════════════════════════════════════════════════ */
.duration-big {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent-cyan);
}
.duration-range-bar {
  height: 12px;
  background: var(--bg-card);
  border-radius: 6px;
  position: relative;
  margin: 1rem 0;
  border: 1px solid var(--border);
}
.duration-iqr {
  position: absolute;
  height: 100%;
  background: var(--accent-cyan);
  opacity: 0.6;
  border-radius: 6px;
}
.duration-marker {
  position: absolute;
  width: 2px;
  height: 20px;
  top: -4px;
  background: var(--text-primary);
}
.duration-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ══════════════════════════════════════════════════════════════════════
   Report Card — FJC Statistics
   ══════════════════════════════════════════════════════════════════════ */
.fjc-stat-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
}
.fjc-stat-box {
  text-align: center;
  padding: 0.75rem;
  background: var(--bg-card);
  border-radius: 6px;
  border: 1px solid var(--border);
}
.fjc-stat-value {
  font-size: 1.4rem;
  font-weight: 700;
}
.fjc-stat-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-top: 0.2rem;
}
@media (max-width: 600px) {
  .fjc-stat-row { grid-template-columns: repeat(2, 1fr); }
}

/* ══════════════════════════════════════════════════════════════════════
   Report Card — Case Enrichment
   ══════════════════════════════════════════════════════════════════════ */
.enrichment-outcome {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  font-weight: 600;
  font-size: 0.8rem;
}
.enrichment-section {
  margin-top: 0.75rem;
}
.enrichment-section-title {
  font-size: 0.72rem;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.3rem;
  letter-spacing: 0.03em;
}
.enrichment-events {
  list-style: none;
  padding-left: 1rem;
  border-left: 2px solid var(--border);
}
.enrichment-event {
  padding: 0.2rem 0;
  font-size: 0.8rem;
}

/* ══════════════════════════════════════════════════════════════════════
   Report Card — Parentheticals
   ══════════════════════════════════════════════════════════════════════ */
.parens-quote {
  border-left: 3px solid var(--accent-cyan);
  padding-left: 0.75rem;
  margin: 0.5rem 0;
  font-style: italic;
  font-size: 0.82rem;
}
.parens-score-bar {
  height: 4px;
  border-radius: 2px;
  background: var(--bg-card);
  margin-top: 0.3rem;
}
.parens-score-fill {
  height: 100%;
  border-radius: 2px;
}

/* ══════════════════════════════════════════════════════════════════════
   Report Card — Citation Authority
   ══════════════════════════════════════════════════════════════════════ */
.authority-tier {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 3px;
  font-weight: 700;
  font-size: 0.7rem;
  text-transform: uppercase;
}
.authority-tier.landmark { background: gold; color: #111; }
.authority-tier.influential { background: var(--accent-cyan); color: #111; }
.authority-tier.standard { background: var(--accent-green); color: #111; }
.authority-tier.minor { background: var(--text-muted); color: var(--bg-primary); }

/* ══════════════════════════════════════════════════════════════════════
   Shared — Confidence Badge
   ══════════════════════════════════════════════════════════════════════ */
.confidence-badge {
  font-size: 0.65rem;
  padding: 0.1rem 0.4rem;
  border-radius: 3px;
  font-weight: 600;
  text-transform: uppercase;
}
.confidence-badge.high { background: var(--accent-green); color: #111; }
.confidence-badge.medium { background: var(--accent-orange); color: #111; }
.confidence-badge.low { background: var(--accent-red); color: white; }

/* ══════════════════════════════════════════════════════════════════════
   System Observatory Panel
   ══════════════════════════════════════════════════════════════════════ */

/* Split-view: chat shrinks when SYS open */
.chat-main { transition: flex 0.3s ease; }
.chat-main.sys-open { flex: 0 0 50%; }

/* SYS button highlight when active */
#chat-sys-btn.active {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  box-shadow: var(--glow);
}

/* Observatory panel */
.sys-panel {
  position: fixed;
  top: 50px;  /* below app header */
  right: 0;
  bottom: 0;
  width: 50%;
  background: var(--bg-secondary);
  border-left: 1px solid var(--border);
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform 0.3s ease;
  z-index: 90;
  display: flex;
  flex-direction: column;
}
.sys-panel.open { transform: translateX(0); }

.sys-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 1rem;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.sys-panel-title {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-cyan);
  letter-spacing: 0.08em;
}

.sys-panel-close {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  width: 26px;
  height: 26px;
  border-radius: 3px;
  cursor: pointer;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}
.sys-panel-close:hover {
  border-color: var(--accent-red);
  color: var(--accent-red);
}

.sys-panel-body {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
}

.sys-loading, .sys-error, .sys-placeholder {
  text-align: center;
  padding: 2rem;
  color: var(--text-muted);
  font-size: 0.8rem;
}
.sys-error { color: var(--accent-red); }

/* ── Stat Cards Strip ── */
.sys-stat-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
  margin-bottom: 1.2rem;
}

.sys-stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.6rem 0.5rem;
  text-align: center;
  animation: stat-pulse 3s ease-in-out infinite;
}

.sys-stat-cyan { border-color: rgba(0, 240, 255, 0.3); }
.sys-stat-magenta { border-color: rgba(255, 0, 170, 0.3); }
.sys-stat-green { border-color: rgba(0, 255, 136, 0.3); }
.sys-stat-orange { border-color: rgba(255, 136, 0, 0.3); }

@keyframes stat-pulse {
  0%, 100% { box-shadow: none; }
  50% { box-shadow: 0 0 12px rgba(0, 240, 255, 0.15); }
}
.sys-stat-cyan  { animation-name: stat-pulse-cyan; }
.sys-stat-magenta { animation-name: stat-pulse-magenta; }
.sys-stat-green { animation-name: stat-pulse-green; }
.sys-stat-orange { animation-name: stat-pulse-orange; }

@keyframes stat-pulse-cyan {
  0%, 100% { box-shadow: none; }
  50% { box-shadow: 0 0 12px rgba(0, 240, 255, 0.2); }
}
@keyframes stat-pulse-magenta {
  0%, 100% { box-shadow: none; }
  50% { box-shadow: 0 0 12px rgba(255, 0, 170, 0.2); }
}
@keyframes stat-pulse-green {
  0%, 100% { box-shadow: none; }
  50% { box-shadow: 0 0 12px rgba(0, 255, 136, 0.2); }
}
@keyframes stat-pulse-orange {
  0%, 100% { box-shadow: none; }
  50% { box-shadow: 0 0 12px rgba(255, 136, 0, 0.2); }
}

.sys-stat-value {
  display: block;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
}
.sys-stat-cyan .sys-stat-value { color: var(--accent-cyan); }
.sys-stat-magenta .sys-stat-value { color: var(--accent-magenta); }
.sys-stat-green .sys-stat-value { color: var(--accent-green); }
.sys-stat-orange .sys-stat-value { color: var(--accent-orange); }

.sys-stat-label {
  display: block;
  font-size: 0.6rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 0.15rem;
}

/* ── Section titles ── */
.sys-section {
  margin-bottom: 1.5rem;
}

.sys-section-title {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  margin-bottom: 0.6rem;
  padding-bottom: 0.3rem;
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.sys-section-title::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, var(--accent-cyan), transparent);
  animation: section-sweep 0.8s ease-out both;
}
@keyframes section-sweep {
  from { transform: translateX(-100%); }
  to { transform: translateX(0); }
}

/* ── Sankey container ── */
.sys-sankey-container {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  min-height: 300px;
  transition: border-color 0.4s ease;
}

.sys-sankey-active-badge {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: rgba(0, 240, 255, 0.15);
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 240, 255, 0.3);
  border-radius: 4px;
  padding: 0.1rem 0.5rem;
  margin-left: 0.5rem;
  vertical-align: middle;
  animation: sys-badge-appear 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes sys-badge-appear {
  from { opacity: 0; transform: scale(0.7) translateY(-2px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

/* ── Analysis Pipeline (6-stage + 3-layer) ── */
.sys-pipeline {
  padding: 0.5rem 0;
}
.sys-pipe-stages {
  display: flex;
  align-items: center;
  gap: 0;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 0.6rem;
}
.sys-pipe-arrow {
  color: var(--text-secondary);
  font-size: 0.8rem;
  margin: 0 0.15rem;
  opacity: 0.4;
}
.sys-pipe-stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.15rem;
  padding: 0.3rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  min-width: 52px;
  position: relative;
  transition: all 0.3s ease;
}
.sys-pipe-stage.idle {
  opacity: 0.35;
}
.sys-pipe-stage.active {
  border-color: var(--accent-cyan);
  background: rgba(0, 240, 255, 0.08);
  opacity: 1;
  animation: sys-pipe-pulse 1.5s ease-in-out infinite;
}
.sys-pipe-stage.done {
  border-color: var(--accent-green);
  background: rgba(0, 255, 136, 0.08);
  opacity: 1;
}
@keyframes sys-pipe-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(0, 240, 255, 0.3); }
  50% { box-shadow: 0 0 8px 2px rgba(0, 240, 255, 0.15); }
}
.sys-pipe-icon {
  font-size: 0.9rem;
  line-height: 1;
}
.sys-pipe-label {
  font-size: 0.5rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-secondary);
}
.sys-pipe-stage.done .sys-pipe-label { color: var(--accent-green); }
.sys-pipe-stage.active .sys-pipe-label { color: var(--accent-cyan); }
.sys-pipe-count {
  position: absolute;
  top: -4px;
  right: -4px;
  background: var(--accent-green);
  color: var(--bg-primary);
  font-size: 0.5rem;
  font-weight: 700;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.sys-pipe-layers {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  justify-content: center;
}
.sys-pipe-layers-label {
  font-size: 0.5rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
  opacity: 0.5;
  margin-right: 0.2rem;
}
.sys-layer-chip {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.15rem 0.4rem;
  border: 1px solid var(--border);
  border-radius: 3px;
  opacity: 0.3;
  transition: all 0.3s ease;
}
.sys-layer-chip.active {
  opacity: 1;
  border-color: var(--accent-magenta);
  background: rgba(255, 0, 170, 0.08);
}
.sys-layer-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-secondary);
}
.sys-layer-chip.active .sys-layer-dot {
  background: var(--accent-magenta);
  box-shadow: 0 0 4px var(--accent-magenta);
}
.sys-layer-label {
  font-size: 0.55rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-secondary);
}
.sys-layer-chip.active .sys-layer-label {
  color: var(--accent-magenta);
}

/* ── NOS Selector (Sankey) ── */
.sys-sankey-nos-selector {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  padding: 0.25rem 0;
}
.sys-sankey-nos-label {
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  white-space: nowrap;
}
.sys-sankey-nos-select {
  flex: 1;
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.25rem 0.5rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  cursor: pointer;
  transition: border-color 0.2s ease;
}
.sys-sankey-nos-select:hover {
  border-color: var(--accent-cyan);
}
.sys-sankey-nos-select:focus {
  outline: none;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 1px var(--accent-cyan);
}

/* ── Court Hierarchy Viz ── */
.sys-viz-court-hier {
  padding: 0.5rem;
}
.sys-viz-hier-chain {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  margin: 0.75rem 0;
}
.sys-viz-hier-node {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.3rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--bg-card);
  width: 100%;
  max-width: 280px;
}
.sys-viz-hier-node.current {
  border-color: var(--accent-cyan);
  background: rgba(0, 240, 255, 0.08);
}
.sys-viz-hier-level {
  font-size: 0.55rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent-magenta);
  min-width: 60px;
}
.sys-viz-hier-name {
  font-size: 0.7rem;
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.sys-viz-hier-arrow {
  color: var(--text-secondary);
  font-size: 0.8rem;
  line-height: 1;
  padding: 0.1rem 0;
}
.sys-viz-hier-districts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.2rem;
}
.sys-viz-gauge-bar {
  position: relative;
  height: 6px;
  background: var(--bg-elevated);
  border-radius: 3px;
  overflow: hidden;
}
.sys-viz-gauge-fill {
  height: 100%;
  border-radius: 3px;
  transition: width 0.4s ease;
}
.sys-viz-gauge-label {
  position: absolute;
  top: -14px;
  right: 0;
  font-size: 0.55rem;
  color: var(--text-secondary);
}

/* ── Hash Chain ── */
.sys-hash-chain {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}

.chain-block {
  width: 100%;
  max-width: 320px;
  animation: chain-appear 0.5s ease-out forwards;
  animation-delay: calc(var(--i) * 0.3s);
  opacity: 0;
}

@keyframes chain-appear {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.chain-block-inner {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.5rem 0.8rem;
}

.chain-block-seq {
  font-size: 0.65rem;
  color: var(--accent-cyan);
  font-weight: 700;
}

.chain-block-action {
  font-size: 0.78rem;
  color: var(--text-primary);
  font-weight: 600;
}

.chain-block-hashes {
  font-size: 0.65rem;
  color: var(--text-muted);
  font-family: monospace;
}

.chain-link {
  font-size: 0.7rem;
  padding: 0.15rem 0;
  animation: chain-appear 0.5s ease-out forwards;
  animation-delay: calc((var(--i) + 0.5) * 0.3s);
  opacity: 0;
}

/* ── Live Tool Trace ── */
.sys-trace-section {
  flex-shrink: 0;
}

.sys-trace-list {
  max-height: 250px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.trace-event {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.35rem 0.6rem;
  font-size: 0.75rem;
}

.trace-animate {
  animation: trace-slide 0.3s ease-out;
}

@keyframes trace-slide {
  from { transform: translateX(40px); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

.trace-icon { font-size: 0.7rem; }
.trace-label { flex: 1; font-weight: 600; color: var(--text-primary); }
.trace-duration { font-size: 0.7rem; color: var(--text-muted); min-width: 40px; text-align: right; }

.trace-bar {
  width: 60px;
  height: 5px;
  background: var(--bg-primary);
  border-radius: 3px;
  overflow: hidden;
}

.trace-bar-fill {
  height: 100%;
  border-radius: 3px;
  transition: width 0.3s ease;
}

/* Tool category colors */
.trace-cat-engine .trace-bar-fill { background: var(--accent-cyan); }
.trace-cat-data .trace-bar-fill { background: var(--accent-magenta); }
.trace-cat-ml .trace-bar-fill { background: var(--accent-green); }
.trace-cat-strategy .trace-bar-fill { background: var(--accent-orange); }

.trace-cat-engine .trace-icon { color: var(--accent-cyan); }
.trace-cat-data .trace-icon { color: var(--accent-magenta); }
.trace-cat-ml .trace-icon { color: var(--accent-green); }
.trace-cat-strategy .trace-icon { color: var(--accent-orange); }

.trace-status {
  font-size: 0.7rem;
  min-width: 16px;
  text-align: center;
}
.trace-status.done { color: var(--accent-green); font-weight: 700; }
.trace-status.running { color: var(--accent-orange); }

/* ── Responsive: stack panel below on small screens ── */
@media (max-width: 900px) {
  .chat-main.sys-open { width: 100%; }
  .sys-panel {
    width: 100%;
    top: 50%;
    height: 50%;
    border-left: none;
    border-top: 1px solid var(--border);
  }
  .sys-stat-strip { grid-template-columns: repeat(4, 1fr); }
}

/* ══════════════════════════════════════════════════════════════════════
   COCKPIT VISUALIZATIONS — Live DFA, Waterfall, Viz Stack, Flash
   ══════════════════════════════════════════════════════════════════════ */

/* ── Stat Card Flash-on-Query (glow + bounce + number re-tick) ── */
.sys-stat-flash {
  animation: stat-flash 0.9s cubic-bezier(0.22, 1, 0.36, 1) !important;
}
@keyframes stat-flash {
  0% { box-shadow: 0 0 25px rgba(0, 240, 255, 0.7); transform: scale(1.08); }
  40% { box-shadow: 0 0 14px rgba(0, 240, 255, 0.4); transform: scale(0.97); }
  70% { box-shadow: 0 0 8px rgba(0, 240, 255, 0.2); transform: scale(1.02); }
  100% { box-shadow: none; transform: scale(1); }
}
.sys-stat-magenta.sys-stat-flash { animation-name: stat-flash-magenta !important; }
.sys-stat-green.sys-stat-flash { animation-name: stat-flash-green !important; }
.sys-stat-orange.sys-stat-flash { animation-name: stat-flash-orange !important; }

@keyframes stat-flash-magenta {
  0% { box-shadow: 0 0 25px rgba(255, 0, 170, 0.7); transform: scale(1.08); }
  40% { box-shadow: 0 0 14px rgba(255, 0, 170, 0.4); transform: scale(0.97); }
  70% { box-shadow: 0 0 8px rgba(255, 0, 170, 0.2); transform: scale(1.02); }
  100% { box-shadow: none; transform: scale(1); }
}
@keyframes stat-flash-green {
  0% { box-shadow: 0 0 25px rgba(0, 255, 136, 0.7); transform: scale(1.08); }
  40% { box-shadow: 0 0 14px rgba(0, 255, 136, 0.4); transform: scale(0.97); }
  70% { box-shadow: 0 0 8px rgba(0, 255, 136, 0.2); transform: scale(1.02); }
  100% { box-shadow: none; transform: scale(1); }
}
@keyframes stat-flash-orange {
  0% { box-shadow: 0 0 25px rgba(255, 136, 0, 0.7); transform: scale(1.08); }
  40% { box-shadow: 0 0 14px rgba(255, 136, 0, 0.4); transform: scale(0.97); }
  70% { box-shadow: 0 0 8px rgba(255, 136, 0, 0.2); transform: scale(1.02); }
  100% { box-shadow: none; transform: scale(1); }
}

/* Number re-tick on flash */
.sys-stat-flash .sys-stat-value {
  animation: stat-value-tick 0.5s ease-out;
}
@keyframes stat-value-tick {
  0% { opacity: 0.4; transform: translateY(4px); }
  50% { opacity: 1; transform: translateY(-2px); }
  100% { opacity: 1; transform: translateY(0); }
}

/* ── Live DFA Section ── */
.sys-live-dfa {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent-cyan);
  border-radius: 6px;
  min-height: 120px;
  padding: 0.8rem;
  overflow: auto;
}
.sys-live-dfa .mermaid-container { overflow-x: auto; }
.sys-live-dfa svg { max-width: 100%; }

/* Pulsing glow on Mermaid current-state node (rendered as SVG rect) */
.sys-live-dfa .node rect[style*="rgb(0, 240, 255)"],
.sys-live-dfa .node rect[style*="#00f0ff"],
.sys-live-dfa .statediagram-state rect.current {
  animation: dfa-node-pulse 2s ease-in-out infinite;
  filter: drop-shadow(0 0 6px rgba(0, 240, 255, 0.6));
}
@keyframes dfa-node-pulse {
  0%, 100% { filter: drop-shadow(0 0 6px rgba(0, 240, 255, 0.4)); }
  50% { filter: drop-shadow(0 0 14px rgba(0, 240, 255, 0.8)); }
}

/* DFA appear animation */
.sys-live-dfa .mermaid-container {
  animation: dfa-fade-in 0.6s ease-out;
}
@keyframes dfa-fade-in {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

/* JS-applied pulsing glow on current state node */
.sys-live-dfa .dfa-current-pulse rect,
.sys-live-dfa .dfa-current-pulse polygon {
  animation: dfa-node-pulse 2s ease-in-out infinite;
}
.sys-live-dfa .dfa-current-pulse .nodeLabel {
  font-weight: 700;
}

/* ── Tool Waterfall ── */
.sys-waterfall {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.6rem;
  max-height: 300px;
  overflow-y: auto;
}

.sys-waterfall-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.2rem 0;
  font-size: 0.72rem;
  animation: wf-row-in 0.35s ease-out both;
}
.sys-waterfall-row:nth-child(1) { animation-delay: 0s; }
.sys-waterfall-row:nth-child(2) { animation-delay: 0.04s; }
.sys-waterfall-row:nth-child(3) { animation-delay: 0.08s; }
.sys-waterfall-row:nth-child(4) { animation-delay: 0.12s; }
.sys-waterfall-row:nth-child(5) { animation-delay: 0.16s; }
.sys-waterfall-row:nth-child(6) { animation-delay: 0.2s; }
.sys-waterfall-row:nth-child(n+7) { animation-delay: 0.24s; }

@keyframes wf-row-in {
  from { opacity: 0; transform: translateX(-10px); }
  to { opacity: 1; transform: translateX(0); }
}

.sys-waterfall-label {
  width: 110px;
  flex-shrink: 0;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sys-waterfall-timeline {
  flex: 1;
  height: 8px;
  background: var(--bg-primary);
  border-radius: 4px;
  position: relative;
  overflow: hidden;
}

.sys-waterfall-bar {
  position: absolute;
  top: 0;
  height: 100%;
  border-radius: 4px;
  min-width: 3px;
  animation: wf-bar-grow 0.5s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes wf-bar-grow {
  from { transform: scaleX(0); transform-origin: left; }
  to { transform: scaleX(1); transform-origin: left; }
}

.sys-waterfall-bar.running {
  background-image: repeating-linear-gradient(
    -45deg,
    transparent,
    transparent 4px,
    rgba(255,255,255,0.15) 4px,
    rgba(255,255,255,0.15) 8px
  ) !important;
  background-size: 200% 100%;
  animation: barber-pole 1s linear infinite;
}

@keyframes barber-pole {
  from { background-position: 0 0; }
  to { background-position: 16px 0; }
}

.sys-waterfall-dur {
  width: 45px;
  flex-shrink: 0;
  text-align: right;
  color: var(--text-muted);
  font-size: 0.68rem;
}

/* ── Visualization Stack ── */
.sys-viz-stack {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.sys-viz-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.sys-viz-card.sys-viz-engine { border-left: 3px solid var(--accent-cyan); }
.sys-viz-card.sys-viz-data { border-left: 3px solid var(--accent-magenta); }
.sys-viz-card.sys-viz-ml { border-left: 3px solid var(--accent-green); }
.sys-viz-card.sys-viz-strategy { border-left: 3px solid var(--accent-orange); }
.sys-viz-card.sys-viz-search { border-left: 3px solid var(--accent-cyan); }

.sys-viz-enter {
  animation: viz-slide-in 0.4s cubic-bezier(0.22, 1, 0.36, 1),
             viz-glow-fade 1.5s ease-out;
}

@keyframes viz-slide-in {
  from { opacity: 0; transform: translateY(-20px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* Border glow on arrival — fades out over 1.5s */
@keyframes viz-glow-fade {
  0% { box-shadow: 0 0 18px rgba(0, 240, 255, 0.5), inset 0 0 8px rgba(0, 240, 255, 0.1); }
  100% { box-shadow: none; }
}
.sys-viz-enter.sys-viz-data { animation: viz-slide-in 0.4s cubic-bezier(0.22, 1, 0.36, 1), viz-glow-fade-magenta 1.5s ease-out; }
.sys-viz-enter.sys-viz-ml { animation: viz-slide-in 0.4s cubic-bezier(0.22, 1, 0.36, 1), viz-glow-fade-green 1.5s ease-out; }
.sys-viz-enter.sys-viz-strategy { animation: viz-slide-in 0.4s cubic-bezier(0.22, 1, 0.36, 1), viz-glow-fade-orange 1.5s ease-out; }

@keyframes viz-glow-fade-magenta {
  0% { box-shadow: 0 0 18px rgba(255, 0, 170, 0.5), inset 0 0 8px rgba(255, 0, 170, 0.1); }
  100% { box-shadow: none; }
}
@keyframes viz-glow-fade-green {
  0% { box-shadow: 0 0 18px rgba(0, 255, 136, 0.5), inset 0 0 8px rgba(0, 255, 136, 0.1); }
  100% { box-shadow: none; }
}
@keyframes viz-glow-fade-orange {
  0% { box-shadow: 0 0 18px rgba(255, 136, 0, 0.5), inset 0 0 8px rgba(255, 136, 0, 0.1); }
  100% { box-shadow: none; }
}

.sys-viz-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.6rem;
  border-bottom: 1px solid var(--border);
  background: rgba(0,0,0,0.1);
}

.sys-viz-badge {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  border: 1px solid;
  border-radius: 3px;
  padding: 0.1rem 0.4rem;
  text-transform: uppercase;
}

.sys-viz-time {
  margin-left: auto;
  font-size: 0.62rem;
  color: var(--text-muted);
}

.sys-viz-collapse {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  width: 20px;
  height: 20px;
  border-radius: 3px;
  cursor: pointer;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}
.sys-viz-collapse:hover { border-color: var(--accent-cyan); color: var(--accent-cyan); }

.sys-viz-body {
  padding: 0.6rem;
  overflow: auto;
  max-height: 400px;
}
.sys-viz-body.collapsed { display: none; }

/* ── Shared Viz Primitives ── */
.sys-viz-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  margin: 0.3rem 0;
}

.sys-viz-badge-sm {
  font-size: 0.62rem;
  font-weight: 600;
  border: 1px solid var(--border-bright);
  border-radius: 3px;
  padding: 0.08rem 0.35rem;
  color: var(--text-secondary);
}
.sys-viz-badge-sm.cat { border-color: var(--accent-cyan); color: var(--accent-cyan); }
.sys-viz-badge-sm.burden { border-color: var(--accent-orange); color: var(--accent-orange); }
.sys-viz-badge-sm.active { border-color: var(--accent-green); color: var(--accent-green); }
.sys-viz-badge-sm.inactive { border-color: var(--accent-red); color: var(--accent-red); }

.sys-viz-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.3rem;
  margin: 0.3rem 0;
}

.sys-viz-row-label {
  font-size: 0.62rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-right: 0.3rem;
}

.sys-viz-pill {
  display: inline-block;
  font-size: 0.68rem;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.1rem 0.5rem;
  color: var(--text-secondary);
}
.sys-viz-pill.outcome { border-color: var(--accent-magenta); color: var(--accent-magenta); }

/* Pipeline dots */
.sys-viz-pipeline {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  margin: 0.4rem 0;
}

.sys-viz-dot {
  font-size: 0.6rem;
  padding: 0.15rem 0.4rem;
  border-radius: 3px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  color: var(--text-muted);
}
.sys-viz-dot.active {
  background: var(--accent-cyan);
  color: var(--bg-primary);
  border-color: var(--accent-cyan);
  font-weight: 700;
}

/* ── Ontology Card ── */
.sys-viz-ontology-header {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--accent-cyan);
  text-transform: uppercase;
  margin-bottom: 0.3rem;
}

/* ── Court Card / Cluster Card ── */
.sys-viz-court-name,
.sys-viz-cluster-name {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.2rem;
}

/* ── Citation Meter ── */
.sys-viz-citation {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
  padding: 0.5rem 0;
}

.sys-viz-citation-count {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--accent-cyan);
}

.sys-viz-citation-label {
  font-size: 0.65rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.sys-viz-gauge-ring {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  margin: 0.3rem 0;
}

/* ── Quote Strip ── */
.sys-viz-quotes {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.sys-viz-quote {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.4rem 0.6rem;
  animation: quote-slide 0.3s ease-out both;
}

@keyframes quote-slide {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

.sys-viz-quote-text {
  font-size: 0.72rem;
  color: var(--text-secondary);
  font-style: italic;
  line-height: 1.4;
}

.sys-viz-quote-score {
  height: 3px;
  background: var(--bg-card);
  border-radius: 2px;
  margin-top: 0.3rem;
  overflow: hidden;
}

.sys-viz-quote-bar {
  height: 100%;
  background: var(--accent-magenta);
  border-radius: 2px;
}

/* ── Docket Timeline ── */
.sys-viz-docket-timeline {
  display: flex;
  align-items: center;
  gap: 0;
  padding: 1rem 0.5rem;
  position: relative;
}

.sys-viz-docket-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid;
  flex-shrink: 0;
  z-index: 1;
}
.sys-viz-docket-dot.filed { border-color: var(--accent-cyan); background: var(--accent-cyan); }
.sys-viz-docket-dot.terminated { border-color: var(--accent-magenta); background: var(--accent-magenta); }
.sys-viz-docket-dot.pending { border-color: var(--accent-orange); background: transparent; }

.sys-viz-docket-line {
  flex: 1;
  height: 2px;
  background: var(--border-bright);
}

.sys-viz-docket-labels {
  display: flex;
  justify-content: space-between;
  position: absolute;
  bottom: 0;
  left: 0.5rem;
  right: 0.5rem;
  font-size: 0.62rem;
  color: var(--text-muted);
}

.sys-viz-docket-dur {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  color: var(--text-secondary);
  font-weight: 600;
}

/* ── Text Preview ── */
.sys-viz-text-body {
  font-size: 0.72rem;
  color: var(--text-secondary);
  line-height: 1.5;
  white-space: pre-wrap;
  max-height: 150px;
  overflow: hidden;
}

.sys-viz-text-toggle {
  background: none;
  border: none;
  color: var(--accent-cyan);
  font-size: 0.68rem;
  cursor: pointer;
  padding: 0.2rem 0;
}
.sys-viz-text-toggle:hover { text-decoration: underline; }

/* ── Enrichment Timeline ── */
.sys-viz-enrichment { display: flex; flex-direction: column; gap: 0.5rem; }

.sys-viz-enrichment-outcome { text-align: center; }

.sys-viz-enrichment-parties {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}

.sys-viz-enrichment-party {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  font-size: 0.72rem;
  color: var(--text-secondary);
}

.sys-viz-enrichment-events {
  border-left: 2px solid var(--border-bright);
  margin-left: 0.4rem;
  padding-left: 0.8rem;
}

.sys-viz-enrichment-event {
  display: flex;
  align-items: flex-start;
  gap: 0.4rem;
  margin-bottom: 0.4rem;
  position: relative;
}

.sys-viz-enrichment-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-magenta);
  flex-shrink: 0;
  margin-top: 0.15rem;
  position: absolute;
  left: -1.25rem;
}

.sys-viz-enrichment-event-body {
  display: flex;
  flex-direction: column;
}

.sys-viz-enrichment-event-label {
  font-size: 0.72rem;
  color: var(--text-primary);
}

.sys-viz-enrichment-event-date {
  font-size: 0.62rem;
  color: var(--text-muted);
}

.sys-viz-enrichment-facts ul {
  margin: 0.2rem 0 0 1.2rem;
  padding: 0;
  font-size: 0.72rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ── Taxonomy Grid ── */
.sys-viz-taxonomy-header {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-cyan);
  margin-bottom: 0.5rem;
}

.sys-viz-taxonomy-grid {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  max-height: 300px;
  overflow-y: auto;
}

.sys-viz-taxonomy-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  align-items: center;
}

.sys-viz-taxonomy-cat {
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--accent-magenta);
  width: 100%;
  margin-bottom: 0.1rem;
}

.sys-viz-taxonomy-item {
  font-size: 0.62rem;
  padding: 0.1rem 0.35rem;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--text-secondary);
}

/* ── ZOPA Gauge extras ── */
.sys-viz-zopa-burden {
  text-align: center;
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 0.3rem;
}

/* ── Decision tree state badge ── */
.sys-viz-state-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  margin-bottom: 0.3rem;
}
.sys-viz-state-badge.current {
  background: var(--accent-cyan);
  color: var(--bg-primary);
}

/* ── Mermaid containers ── */
.sys-viz-body .mermaid-container,
.sys-live-dfa .mermaid-container {
  overflow-x: auto;
}

/* ── Light theme overrides ── */
:root[data-theme="light"] .sys-stat-flash { animation-name: stat-flash-light !important; }
@keyframes stat-flash-light {
  0% { box-shadow: 0 0 12px rgba(0, 136, 170, 0.4); transform: scale(1.05); }
  40% { box-shadow: 0 0 8px rgba(0, 136, 170, 0.25); transform: scale(0.98); }
  100% { box-shadow: none; transform: scale(1); }
}

:root[data-theme="light"] .sys-live-dfa { border-left-color: var(--accent-cyan); }
:root[data-theme="light"] .sys-viz-card { box-shadow: var(--shadow); }
:root[data-theme="light"] .sys-viz-enter { animation: viz-slide-in 0.4s cubic-bezier(0.22, 1, 0.36, 1) !important; }
:root[data-theme="light"] .sys-waterfall-bar.running {
  background-image: repeating-linear-gradient(
    -45deg, transparent, transparent 4px,
    rgba(0,0,0,0.08) 4px, rgba(0,0,0,0.08) 8px
  ) !important;
}
:root[data-theme="light"] .sys-section-title::after {
  background: linear-gradient(90deg, var(--accent-cyan), transparent);
}

/* ══════════════════════════════════════════════════════════════════════
   Boot Animation
   ══════════════════════════════════════════════════════════════════════ */

.boot-overlay {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.5s ease;
}
.boot-overlay.fade-out {
  opacity: 0;
  pointer-events: none;
}

.boot-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

.boot-logo {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.boot-title {
  font-size: 3.5rem;
  font-weight: 700;
  letter-spacing: 12px;
  color: var(--accent-cyan);
  text-shadow:
    0 0 8px rgba(0,240,255,0.5),
    0 0 24px rgba(0,240,255,0.2),
    0 0 48px rgba(0,240,255,0.1);
  animation: boot-glow-pulse 2s ease-in-out infinite;
  z-index: 1;
}

.boot-ring {
  position: absolute;
  width: 160px;
  height: 160px;
  border: 2px solid rgba(0,240,255,0.12);
  border-top-color: var(--accent-cyan);
  border-radius: 50%;
  animation: boot-spin 1.5s linear infinite;
}

.boot-text {
  font-family: inherit;
  font-size: 0.7rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-secondary);
  min-height: 1.2em;
  text-align: center;
}

.boot-cursor {
  color: var(--accent-cyan);
  animation: boot-blink 0.8s step-end infinite;
}

.boot-status {
  font-size: 0.6rem;
  letter-spacing: 1px;
  color: var(--text-muted);
  text-transform: uppercase;
  min-height: 1em;
  text-align: center;
}

@keyframes boot-glow-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

@keyframes boot-spin {
  to { transform: rotate(360deg); }
}

@keyframes boot-blink {
  50% { opacity: 0; }
}

/* Light mode: no glow, simpler ring */
:root[data-theme="light"] .boot-title {
  text-shadow: none;
  color: var(--accent-cyan);
}
:root[data-theme="light"] .boot-ring {
  border-color: rgba(0,136,170,0.15);
  border-top-color: var(--accent-cyan);
}