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

:root {
  --bg: #f8f9fc;
  --card: #ffffff;
  --border: #e5e7eb;
  --primary: #4f46e5;
  --text: #111827;
  --muted: #6b7280;
  --muted-bg: #f3f4f6;
  --sidebar-w: 200px;
  --font: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

html, body { height: 100%; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
  display: flex;
  height: 100vh;
  overflow: hidden;
}

/* ── Layout ────────────────────────────────────────────────────────────── */

#sidebar {
  width: var(--sidebar-w);
  background: var(--card);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  overflow-y: auto;
}

#main {
  flex: 1;
  overflow-y: auto;
  padding: 28px 32px;
}

/* ── Sidebar ──────────────────────────────────────────────────────────── */

.sidebar-brand {
  padding: 18px 16px 12px;
  border-bottom: 1px solid var(--border);
}

.sidebar-brand h1 {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--primary);
}

.sidebar-brand p {
  font-size: 10px;
  color: var(--muted);
  margin-top: 2px;
}

.sidebar-uptime {
  padding: 8px 16px;
  border-bottom: 1px solid var(--border);
  font-size: 11px;
  color: var(--muted);
}

.sidebar-uptime span { font-weight: 600; color: var(--text); }

nav { flex: 1; padding: 8px 0; }

nav a {
  display: block;
  padding: 7px 16px;
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
  cursor: pointer;
  border-radius: 0;
  transition: background 0.1s, color 0.1s;
  border-left: 2px solid transparent;
}

nav a:hover { background: var(--muted-bg); color: var(--text); }

nav a.active {
  background: #ede9fe;
  color: var(--primary);
  font-weight: 600;
  border-left-color: var(--primary);
}

/* ── Cards ─────────────────────────────────────────────────────────────── */

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
}

.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
}

.stat-card .label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.stat-card .value {
  font-size: 20px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  margin-top: 4px;
}

.stat-card .sub {
  font-size: 10px;
  color: var(--muted);
  margin-top: 2px;
}

/* ── Section header ─────────────────────────────────────────────────────── */

.section-header { margin-bottom: 20px; }
.section-header h2 { font-size: 17px; font-weight: 700; }
.section-header p { font-size: 13px; color: var(--muted); margin-top: 3px; }

/* ── Grids ──────────────────────────────────────────────────────────────── */

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.grid-6 { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; }
.grid-halves { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-2-1 { display: grid; grid-template-columns: 2fr 1fr; gap: 16px; }

.mt-3 { margin-top: 12px; }
.mt-4 { margin-top: 16px; }
.mt-5 { margin-top: 20px; }
.mt-6 { margin-top: 24px; }

/* ── Chart container ─────────────────────────────────────────────────────── */

.chart-title {
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 4px;
}

.chart-sub {
  font-size: 10px;
  color: var(--muted);
  margin-bottom: 12px;
}

.chart-placeholder {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  color: var(--muted);
}

/* ── Tables ─────────────────────────────────────────────────────────────── */

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}

.data-table thead tr {
  border-bottom: 1px solid var(--border);
  background: #fafafa;
}

.data-table th {
  padding: 8px 12px;
  text-align: left;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  cursor: pointer;
  white-space: nowrap;
}

.data-table th:hover { color: var(--text); }
.data-table th.sort-active { color: var(--text); }

.data-table td {
  padding: 7px 12px;
  border-bottom: 1px solid #f3f4f6;
  font-variant-numeric: tabular-nums;
}

.data-table tbody tr:hover { background: #fafafa; }
.data-table tbody tr.selected { background: #ede9fe; }

.font-mono { font-family: "SF Mono", "Fira Code", monospace; }

/* ── Progress bar ────────────────────────────────────────────────────────── */

.progress-bar-track {
  height: 8px;
  background: var(--muted-bg);
  border-radius: 4px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  border-radius: 4px;
  background: linear-gradient(90deg, #818cf8, #7c3aed);
  transition: width 0.5s ease;
}

/* ── Badge / tag ─────────────────────────────────────────────────────────── */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 600;
  line-height: 1.6;
}

/* ── Event feed ──────────────────────────────────────────────────────────── */

.event-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 11px;
  padding: 5px 10px;
  border-radius: 6px;
  transition: background 0.1s;
}

.event-row:hover { background: var(--muted-bg); }

.event-tick { font-family: monospace; color: var(--muted); width: 52px; flex-shrink: 0; }
.event-type { font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; width: 64px; flex-shrink: 0; }
.event-id { font-family: monospace; color: var(--muted); width: 40px; flex-shrink: 0; }
.event-desc { color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ── Signal decoder ──────────────────────────────────────────────────────── */

.signal-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  font-family: monospace;
  padding: 5px 10px;
  border-radius: 6px;
  background: #fafafa;
}

/* ── Chapter accordion ───────────────────────────────────────────────────── */

.chapter-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 10px;
}

.chapter-card.latest { border-color: #c7d2fe; }

.chapter-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  cursor: pointer;
  user-select: none;
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  font-family: var(--font);
}

.chapter-header:hover { background: #fafafa; }

.chapter-num {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--muted-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
  flex-shrink: 0;
}

.chapter-num.latest { background: #ede9fe; color: var(--primary); }

.chapter-title { font-size: 13px; font-weight: 600; }
.chapter-ticks { font-size: 11px; color: var(--muted); }

.chapter-content {
  padding: 0 20px 18px;
  border-top: 1px solid var(--border);
}

.chapter-content p {
  font-size: 13px;
  line-height: 1.7;
  color: rgba(17,24,39,0.8);
  margin-bottom: 10px;
}

.chapter-content p:last-child { margin-bottom: 0; }

/* ── World map ───────────────────────────────────────────────────────────── */

#world-map-canvas {
  width: 100%;
  height: 520px;
  cursor: grab;
  display: block;
}

#world-map-canvas:active { cursor: grabbing; }

.view-toggle { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; }
.view-btn {
  font-size: 11px;
  padding: 5px 12px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-family: var(--font);
  transition: all 0.1s;
}
.view-btn:hover { background: var(--muted-bg); color: var(--text); }
.view-btn.active { background: var(--muted-bg); color: var(--text); font-weight: 600; border-color: #9ca3af; }

.map-legend {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-top: 10px;
  font-size: 11px;
  color: var(--muted);
  flex-wrap: wrap;
}

.legend-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}

/* ── Agent detail panel ──────────────────────────────────────────────────── */

.mini-stat {
  background: var(--muted-bg);
  border-radius: 8px;
  padding: 8px 12px;
}
.mini-stat .label { font-size: 10px; text-transform: uppercase; letter-spacing: 0.05em; color: var(--muted); }
.mini-stat .value { font-family: monospace; font-size: 14px; font-weight: 700; margin-top: 2px; }

.genome-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
  padding: 4px 8px;
  border-radius: 4px;
  background: #fafafa;
  margin-bottom: 2px;
}
.genome-row .key { color: var(--muted); }
.genome-row .val { font-family: monospace; color: var(--text); }

/* ── Distribution bars ───────────────────────────────────────────────────── */

.dist-row { display: flex; align-items: center; gap: 8px; font-size: 11px; margin-bottom: 6px; }
.dist-label { font-family: monospace; color: var(--muted); width: 80px; flex-shrink: 0; text-align: right; }
.dist-track { flex: 1; height: 14px; background: var(--muted-bg); border-radius: 3px; overflow: hidden; }
.dist-fill { height: 100%; border-radius: 3px; transition: width 0.3s; }
.dist-count { font-family: monospace; color: var(--muted); width: 24px; flex-shrink: 0; }

/* ── Scrollable areas ────────────────────────────────────────────────────── */
.scroll-area { max-height: 300px; overflow-y: auto; }
.scroll-area-lg { max-height: 380px; overflow-y: auto; }

/* ── Welcome / Methods prose ────────────────────────────────────────────── */
.prose { max-width: 720px; }
.prose h1 { font-size: 22px; font-weight: 700; margin-bottom: 6px; }
.prose h2 { font-size: 15px; font-weight: 700; margin-bottom: 8px; margin-top: 32px; }
.prose p { font-size: 14px; line-height: 1.75; color: rgba(17,24,39,0.85); margin-bottom: 12px; }
.prose ol, .prose ul { margin: 12px 0 12px 20px; }
.prose li { font-size: 14px; line-height: 1.75; margin-bottom: 6px; color: rgba(17,24,39,0.85); }
.prose strong { font-weight: 600; color: var(--text); }
.prose em { font-style: italic; }
.prose .nav-list { display: grid; gap: 6px; margin: 12px 0; }
.prose .nav-row { display: flex; gap: 12px; }
.prose .nav-name { font-size: 13px; font-weight: 600; width: 96px; flex-shrink: 0; }
.prose .nav-desc { font-size: 13px; color: var(--muted); }
.prose .divider { border: none; border-top: 1px solid var(--border); margin: 24px 0; }

/* ── Utilities ────────────────────────────────────────────────────────── */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.text-muted { color: var(--muted); }
.text-sm { font-size: 12px; }
.text-xs { font-size: 10px; }
.font-semibold { font-weight: 600; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.htmx-indicator { display: none; }

/* ── Pulse indicator ────────────────────────────────────────────────────── */
.pulse {
  width: 6px; height: 6px; border-radius: 50%;
  background: #06b6d4;
  display: inline-block;
  animation: pulse 1.5s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

/* ── HTMX fade swap ────────────────────────────────────────────────────── */
.htmx-swapping { opacity: 0.7; transition: opacity 0.2s; }