:root {
  --bg: #0b0f17;
  --bg-elev: #131a26;
  --bg-elev-2: #1a2434;
  --border: #243046;
  --text: #e6ecf5;
  --text-dim: #9aa7bd;
  --text-faint: #6b7a92;
  --accent: #6ea8ff;
  --accent-2: #a78bfa;
  --high: #34d399;
  --med: #fbbf24;
  --low: #f87171;
  --good: #34d399;
  --bad: #f87171;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text);
  font: 14px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, system-ui, sans-serif;
  min-height: 100vh; }
body { display: grid; grid-template-columns: 260px 1fr; min-height: 100vh; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code, pre { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; }

/* Sidebar */
.sidebar { background: var(--bg-elev); border-right: 1px solid var(--border);
  padding: 22px 16px; display: flex; flex-direction: column; gap: 18px; position: sticky; top: 0;
  height: 100vh; overflow-y: auto; }
.brand { padding-bottom: 14px; border-bottom: 1px solid var(--border); }
.brand-name { font-weight: 700; font-size: 18px; letter-spacing: 0.3px; }
.brand-tag { font-size: 11px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 1px; }

#nav { display: flex; flex-direction: column; gap: 2px; flex: 1; }
.nav-item { padding: 9px 12px; border-radius: 7px; cursor: pointer; color: var(--text-dim);
  font-size: 13px; transition: background 0.12s, color 0.12s; user-select: none; }
.nav-item:hover { background: var(--bg-elev-2); color: var(--text); }
.nav-item.active { background: var(--bg-elev-2); color: var(--text); font-weight: 600;
  box-shadow: inset 3px 0 0 var(--accent); }

.sidebar-foot { padding-top: 14px; border-top: 1px solid var(--border); font-size: 11px;
  color: var(--text-faint); display: flex; flex-direction: column; gap: 4px; }
.meta-line { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* Main */
.main { padding: 28px 36px 60px; max-width: 1180px; }
.topbar { padding-bottom: 18px; border-bottom: 1px solid var(--border); margin-bottom: 24px; }
.topbar h1 { margin: 0 0 4px 0; font-size: 22px; letter-spacing: -0.2px; }
.subtitle { color: var(--text-dim); font-size: 13px; }

/* Panels */
.panel { display: none; }
.panel.active { display: block; animation: fade 0.18s ease-out; }
@keyframes fade { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

.panel-header { font-size: 12px; color: var(--text-faint); text-transform: uppercase;
  letter-spacing: 1.4px; margin-bottom: 10px; }
.panel h2 { margin: 0 0 18px 0; font-size: 20px; font-weight: 600; }
.panel h3 { margin: 22px 0 10px 0; font-size: 15px; font-weight: 600; color: var(--text); }

.lead { color: var(--text-dim); margin-bottom: 22px; line-height: 1.7; max-width: 820px; }

/* Cards */
.card { background: var(--bg-elev); border: 1px solid var(--border); border-radius: 10px;
  padding: 16px 18px; margin-bottom: 12px; }
.card-head { display: flex; justify-content: space-between; align-items: center; gap: 12px;
  margin-bottom: 6px; }
.card-title { font-weight: 600; font-size: 14px; }
.card-body { color: var(--text-dim); font-size: 13px; line-height: 1.65; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
@media (max-width: 920px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } }

/* Tier badges */
.tier { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 10px;
  font-weight: 700; letter-spacing: 0.6px; text-transform: uppercase; vertical-align: middle; }
.tier-HIGH { background: rgba(52,211,153,0.15); color: var(--high); border: 1px solid rgba(52,211,153,0.3); }
.tier-MEDIUM { background: rgba(251,191,36,0.13); color: var(--med); border: 1px solid rgba(251,191,36,0.3); }
.tier-LOW { background: rgba(248,113,113,0.13); color: var(--low); border: 1px solid rgba(248,113,113,0.3); }
.tier-note { color: var(--text-faint); font-size: 11px; margin-top: 4px; font-style: italic; }

/* Tables */
table { width: 100%; border-collapse: collapse; font-size: 13px; margin: 12px 0 8px; }
th, td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--text-faint); font-weight: 600; font-size: 11px; text-transform: uppercase;
  letter-spacing: 0.8px; }
tr:hover td { background: rgba(255,255,255,0.015); }
td.num { text-align: right; font-variant-numeric: tabular-nums; }
.delta-good { color: var(--good); }
.delta-bad { color: var(--bad); }

/* Pipeline diagram */
.pipeline { background: var(--bg-elev); border: 1px solid var(--border); border-radius: 10px;
  padding: 22px; margin-bottom: 18px; }
.pipe-stage { display: flex; align-items: center; gap: 14px; padding: 10px 0; }
.pipe-stage + .pipe-stage { border-top: 1px dashed var(--border); }
.pipe-num { width: 26px; height: 26px; border-radius: 50%; background: var(--bg-elev-2);
  border: 1px solid var(--border); display: flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 700; color: var(--accent); }
.pipe-name { font-weight: 600; }
.pipe-meta { font-size: 11px; color: var(--text-faint); }
.pipe-arrow { text-align: center; color: var(--text-faint); font-size: 16px; padding: 4px 0; }

/* Live query */
.query-form { background: var(--bg-elev); border: 1px solid var(--border); border-radius: 10px;
  padding: 18px; margin-bottom: 18px; }
.query-form textarea { width: 100%; min-height: 110px; background: var(--bg); color: var(--text);
  border: 1px solid var(--border); border-radius: 6px; padding: 10px; font: inherit; resize: vertical; }
.query-form .row { display: flex; gap: 10px; align-items: center; margin-top: 10px; }
.query-form button { background: var(--accent); color: #0b0f17; border: 0; padding: 9px 18px;
  border-radius: 6px; font-weight: 600; cursor: pointer; transition: opacity 0.12s; }
.query-form button:hover { opacity: 0.9; }
.query-form button:disabled { opacity: 0.5; cursor: not-allowed; }
.query-form .hint { color: var(--text-faint); font-size: 12px; }

.result-area { background: var(--bg-elev); border: 1px solid var(--border); border-radius: 10px;
  padding: 18px; white-space: pre-wrap; font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 12.5px; line-height: 1.65; max-height: 560px; overflow: auto; }
.result-area.empty { color: var(--text-faint); font-style: italic; font-family: inherit; font-size: 13px; }

.is-generating { color: var(--accent); font-size: 12px; display: flex; align-items: center; gap: 8px; }
.is-generating::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--accent);
  animation: pulse 1.2s ease-in-out infinite; }
@keyframes pulse { 0%, 100% { opacity: 0.4; } 50% { opacity: 1; } }

.tabs { display: flex; gap: 4px; margin-bottom: 12px; border-bottom: 1px solid var(--border); }
.tab { padding: 8px 14px; cursor: pointer; color: var(--text-dim); font-size: 12px; user-select: none;
  border-bottom: 2px solid transparent; transition: all 0.12s; }
.tab:hover { color: var(--text); }
.tab.active { color: var(--accent); border-bottom-color: var(--accent); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* Channel list (Africa) */
.channel { padding: 14px; background: var(--bg-elev); border: 1px solid var(--border);
  border-radius: 8px; margin-bottom: 8px; }
.channel-head { display: flex; gap: 10px; align-items: center; margin-bottom: 6px; }
.channel-num { width: 22px; height: 22px; border-radius: 4px; background: var(--bg-elev-2);
  display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 11px;
  color: var(--accent-2); }
.channel-name { font-weight: 600; font-size: 14px; }
.channel-summary { color: var(--text-dim); font-size: 13px; line-height: 1.65; }

/* Causation layer cards */
.layer-card { background: var(--bg-elev); border: 1px solid var(--border); border-radius: 10px;
  padding: 16px 18px; margin-bottom: 12px; }
.layer-name { font-weight: 700; font-size: 14px; color: var(--accent); }
.layer-actors { font-size: 11px; color: var(--text-faint); text-transform: uppercase;
  letter-spacing: 0.8px; margin: 2px 0 10px; }
.layer-claim { color: var(--text); margin-bottom: 8px; line-height: 1.65; }
.layer-alt { font-size: 12px; color: var(--text-dim); padding-left: 12px; border-left: 2px solid var(--border); }
.layer-conf { font-size: 11px; color: var(--text-faint); margin-top: 8px; }

/* Sources grid */
.source-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 8px; }
.source-pill { background: var(--bg-elev); border: 1px solid var(--border); border-radius: 6px;
  padding: 8px 12px; font-size: 12px; }
.source-name { color: var(--text); font-weight: 500;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical;
  overflow: hidden; line-height: 1.35; }
.source-domain { color: var(--text-faint); font-size: 11px; margin-top: 2px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* Inline markdown links inside card bodies — keep the title visible
   and clickable while preventing 200-char grounding-redirect URLs
   from dominating the layout. */
.md-link {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-color: rgba(167, 139, 250, 0.4);
  text-underline-offset: 2px;
  word-break: break-word;
}
.md-link:hover {
  text-decoration-color: var(--accent);
}