/* ═══════════════════════════════════════════
   ConvBI v2 — Dark Intelligence Dashboard
═══════════════════════════════════════════ */
:root {
  --bg-primary:    #0D1117;
  --bg-card:       #161B22;
  --bg-sidebar:    #1C2333;
  --bg-hover:      #21262D;
  --border:        #30363D;
  --border-lite:   #21262D;

  --accent-blue:   #58A6FF;
  --accent-teal:   #3FB950;
  --accent-amber:  #D29922;
  --accent-red:    #F85149;
  --accent-purple: #BC8CFF;
  --accent-sky:    #79C0FF;

  --text-primary:  #E6EDF3;
  --text-secondary:#8B949E;
  --text-muted:    #6E7681;

  --sh-card: 0 1px 3px rgba(0,0,0,.4), 0 1px 2px rgba(0,0,0,.24);
  --sh-raise: 0 4px 16px rgba(0,0,0,.5);
  --r:  8px;
  --r2: 12px;

  --sidebar-w:  220px;
  --sidebar-wc: 60px;   /* collapsed */
  --topbar-h:   56px;
  --history-w:  280px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: 'Inter', -apple-system, system-ui, sans-serif;
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
}

/* ── App shell ─────────────────────────────────── */
.db-app {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  grid-template-rows: 100vh;
  height: 100vh;
  overflow: hidden;
}

/* ── Sidebar ───────────────────────────────────── */
.db-sidebar {
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: width .2s ease;
  width: var(--sidebar-w);
}
.db-sidebar.collapsed { width: var(--sidebar-wc); }
.db-sidebar.collapsed .db-nav-item span,
.db-sidebar.collapsed .db-sidebar-section-label,
.db-sidebar.collapsed .db-source-list,
.db-sidebar.collapsed .db-refresh-btn-full,
.db-sidebar.collapsed .db-logo-bi { display: none; }
.db-sidebar.collapsed .db-sidebar-collapse { transform: rotate(180deg); }

.db-sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 16px 14px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.db-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}
.db-logo-bi { color: var(--accent-blue); }
.db-sidebar-collapse {
  background: none; border: none; color: var(--text-muted);
  cursor: pointer; font-size: 10px; padding: 4px; transition: transform .2s;
}
.db-sidebar-collapse:hover { color: var(--text-primary); }

/* Floating sidebar toggle — always visible regardless of sidebar state */
.db-float-toggle {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  z-index: 1000;
  left: var(--sidebar-w);
  transition: left 0.25s ease;
  width: 18px;
  height: 44px;
  background: var(--bg-sidebar);
  border: 1px solid var(--border);
  border-left: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
  border-radius: 0 6px 6px 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}
.db-float-toggle:hover { color: var(--text-primary); background: var(--bg-hover); }
body.sidebar-collapsed .db-float-toggle { left: var(--sidebar-wc); }

.db-nav { padding: 8px 8px 0; }
.db-nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 10px; border-radius: var(--r);
  color: var(--text-secondary); text-decoration: none;
  font-size: 13.5px; font-weight: 500;
  cursor: pointer; transition: background .12s, color .12s;
  margin-bottom: 2px; border: 1px solid transparent;
}
.db-nav-item:hover { background: var(--bg-hover); color: var(--text-primary); }
.db-nav-item.active {
  background: rgba(88,166,255,.12);
  color: var(--accent-blue);
  border-color: rgba(88,166,255,.2);
}
.db-nav-item svg { flex-shrink: 0; }

.db-sidebar-section-label {
  font-size: 10px; font-weight: 700; text-transform: uppercase;
  letter-spacing: .08em; color: var(--text-muted);
  padding: 16px 18px 6px; flex-shrink: 0;
}
.db-source-list { padding: 0 8px; flex: 1; overflow-y: auto; }
.db-source-item {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 10px; border-radius: 6px; font-size: 12px;
  color: var(--text-secondary); cursor: pointer;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.db-source-item:hover { background: var(--bg-hover); color: var(--text-primary); }
.db-source-icon { font-size: 11px; flex-shrink: 0; }
.db-source-badge {
  margin-left: auto; font-size: 10px;
  background: rgba(88,166,255,.12); color: var(--accent-blue);
  border-radius: 10px; padding: 1px 6px; flex-shrink: 0;
}

.db-sidebar-footer { padding: 12px 8px; flex-shrink: 0; border-top: 1px solid var(--border); margin-top: auto; }
.db-refresh-btn-full {
  width: 100%; background: var(--bg-hover); border: 1px solid var(--border);
  color: var(--text-secondary); padding: 7px 12px; border-radius: var(--r);
  font-size: 12px; cursor: pointer; transition: all .12s;
}
.db-refresh-btn-full:hover { color: var(--text-primary); background: #2d333b; }

/* ── Main content ──────────────────────────────── */
.db-main {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--bg-primary);
}

.db-topbar {
  height: var(--topbar-h);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px; border-bottom: 1px solid var(--border);
  flex-shrink: 0; background: var(--bg-primary);
}
.db-breadcrumb { font-size: 15px; font-weight: 600; color: var(--text-primary); }
.db-topbar-right { display: flex; align-items: center; gap: 12px; }
.db-updated-time { font-size: 12px; color: var(--text-muted); }
.db-topbar-btn {
  background: var(--bg-hover); border: 1px solid var(--border);
  color: var(--text-secondary); padding: 5px 12px; border-radius: var(--r);
  font-size: 12px; cursor: pointer; transition: all .12s;
}
.db-topbar-btn:hover { color: var(--text-primary); }

/* ── Sections ─────────────────────────────────── */
.db-section { display: none; flex: 1; overflow-y: auto; padding: 24px; }
.db-section.active { display: block; }

/* ── Cards ────────────────────────────────────── */
.db-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r2);
  box-shadow: var(--sh-card);
  padding: 20px;
  margin-bottom: 20px;
}
.db-card-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 16px;
}
.db-card-title { font-size: 14px; font-weight: 600; color: var(--text-primary); }
.db-badge-ai {
  font-size: 10px; font-weight: 600; text-transform: uppercase; letter-spacing: .06em;
  background: rgba(188,140,255,.15); color: var(--accent-purple);
  border: 1px solid rgba(188,140,255,.3); border-radius: 20px; padding: 2px 8px;
}
.db-badge-info {
  font-size: 11px; color: var(--text-muted);
}

/* ── KPI strip ────────────────────────────────── */
.kpi-strip {
  display: flex; gap: 16px; margin-bottom: 20px; overflow-x: auto; padding-bottom: 4px;
}
.kpi-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r2);
  padding: 18px 20px;
  min-width: 180px;
  flex: 1;
  cursor: pointer;
  transition: border-color .15s, box-shadow .15s;
}
.kpi-card:hover { border-color: var(--accent-blue); box-shadow: 0 0 0 1px var(--accent-blue); }
.kpi-label { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .07em; color: var(--text-muted); margin-bottom: 6px; }
.kpi-value { font-family: 'Space Grotesk', sans-serif; font-size: 26px; font-weight: 700; color: var(--text-primary); line-height: 1; }
.kpi-trend { font-size: 12px; margin-top: 6px; display: flex; align-items: center; gap: 4px; }
.kpi-trend-up   { color: var(--accent-teal); }
.kpi-trend-down { color: var(--accent-red); }
.kpi-trend-flat { color: var(--text-muted); }
.kpi-sub { font-size: 11px; color: var(--text-muted); margin-top: 4px; }
.kpi-empty { color: var(--text-muted); font-size: 13px; padding: 16px; }

/* ── Story card ───────────────────────────────── */
.story-headline {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 20px; font-weight: 700;
  color: var(--accent-blue);
  line-height: 1.3; margin-bottom: 14px;
}
.story-narrative { font-size: 14px; line-height: 1.7; color: var(--text-secondary); margin-bottom: 14px; }
.story-narrative p { margin-bottom: 10px; }
.story-alerts { display: flex; flex-direction: column; gap: 8px; margin-bottom: 10px; }
.story-alert {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 10px 14px; border-radius: var(--r);
  font-size: 13px;
}
.story-alert-critical { background: rgba(248,81,73,.1); border-left: 3px solid var(--accent-red); }
.story-alert-warning  { background: rgba(210,153,34,.1); border-left: 3px solid var(--accent-amber); }
.story-alert-info     { background: rgba(88,166,255,.1); border-left: 3px solid var(--accent-blue); }
.story-alert-badge { font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; white-space: nowrap; margin-top: 1px; }
.story-alert-critical .story-alert-badge { color: var(--accent-red); }
.story-alert-warning  .story-alert-badge { color: var(--accent-amber); }
.story-alert-info     .story-alert-badge { color: var(--accent-blue); }
.story-alert-text { color: var(--text-secondary); }
.story-attrib { font-size: 11px; color: var(--text-muted); }

/* ── Relationship map ────────────────────────── */
.rel-map-wrap { overflow-x: auto; }
.rel-map-svg { width: 100%; max-height: 280px; }
.rel-map-empty { color: var(--text-muted); font-size: 13px; padding: 24px; text-align: center; }

/* ── Chart grid ───────────────────────────────── */
.db-chart-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
  gap: 20px;
}
.charts-full { grid-template-columns: repeat(auto-fill, minmax(480px, 1fr)); }
.db-chart-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r2);
  padding: 18px;
}
.db-chart-card-title { font-size: 13px; font-weight: 600; color: var(--text-primary); margin-bottom: 4px; }
.db-chart-card-sub   { font-size: 11px; color: var(--text-muted); margin-bottom: 14px; }
.db-chart-inner      { height: 220px; }

/* ── Table explorer ───────────────────────────── */
.db-table-select {
  background: var(--bg-hover); border: 1px solid var(--border);
  color: var(--text-primary); padding: 5px 10px; border-radius: var(--r);
  font-size: 13px; cursor: pointer;
}
.table-explorer-body { overflow-x: auto; }
.db-data-table {
  width: 100%; border-collapse: collapse; font-size: 12px;
  font-family: 'JetBrains Mono', monospace;
}
.db-data-table th {
  background: var(--bg-hover); color: var(--text-muted);
  padding: 8px 12px; text-align: left; font-size: 11px;
  font-weight: 600; text-transform: uppercase; letter-spacing: .05em;
  border-bottom: 1px solid var(--border); white-space: nowrap;
  position: sticky; top: 0;
}
.db-data-table td {
  padding: 7px 12px; border-bottom: 1px solid var(--border-lite);
  color: var(--text-secondary); white-space: nowrap; max-width: 200px;
  overflow: hidden; text-overflow: ellipsis;
}
.db-data-table tr:hover td { background: var(--bg-hover); color: var(--text-primary); }
.table-row-count { font-size: 12px; color: var(--text-muted); margin-top: 12px; text-align: right; }

/* ── History panel ────────────────────────────── */
.db-history-panel {
  width: 0; overflow: hidden;
  background: var(--bg-sidebar); border-left: 1px solid var(--border);
  display: flex; flex-direction: column;
  transition: width .2s ease;
}
.db-history-panel.open { width: var(--history-w); }
.db-history-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px; border-bottom: 1px solid var(--border);
  font-size: 13px; font-weight: 600; flex-shrink: 0;
}
.db-history-close { background: none; border: none; color: var(--text-muted); cursor: pointer; font-size: 14px; }
.db-history-list { padding: 8px; overflow-y: auto; flex: 1; }
.db-history-item {
  padding: 10px; border-radius: var(--r); margin-bottom: 4px;
  cursor: pointer; transition: background .12s;
}
.db-history-item:hover { background: var(--bg-hover); }
.db-history-q { font-size: 12px; font-weight: 500; color: var(--text-primary); margin-bottom: 3px; line-height: 1.4; }
.db-history-preview { font-size: 11px; color: var(--text-muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.db-history-ts { font-size: 10px; color: var(--text-muted); margin-top: 3px; }

/* ── Insights ─────────────────────────────────── */
.insights-list { display: flex; flex-direction: column; gap: 12px; }
.insight-item {
  background: var(--bg-hover); border: 1px solid var(--border);
  border-radius: var(--r); padding: 14px;
}
.insight-q { font-size: 12px; font-weight: 600; color: var(--accent-blue); margin-bottom: 6px; }
.insight-summary { font-size: 13px; color: var(--text-secondary); line-height: 1.5; }
.insight-ts { font-size: 10px; color: var(--text-muted); margin-top: 8px; }

/* ── Scrollbars ───────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #30363D; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #484F58; }

/* ── Responsive collapse on small screens ────── */
@media (max-width: 900px) {
  .db-sidebar { width: var(--sidebar-wc); }
  .db-sidebar .db-nav-item span,
  .db-sidebar .db-sidebar-section-label,
  .db-sidebar .db-source-list,
  .db-sidebar .db-refresh-btn-full { display: none; }
  .db-chart-grid { grid-template-columns: 1fr; }
}