:root {
  --bg: #F6F5EF;
  --surface: #FFFFFF;
  --ink: #1E2A22;
  --ink-muted: #5C6B60;
  --border: #E1E4D9;
  --green: #2F6F4E;
  --green-dark: #234F38;
  --gold: #B9822F;
  --clay: #A15C3E;
  --sky: #3E6E8E;
  --danger: #B23A34;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(30, 42, 34, 0.06), 0 6px 20px rgba(30, 42, 34, 0.05);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: 'Inter', -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
}

h1, h2 {
  font-family: 'Fraunces', serif;
  margin: 0;
  color: var(--ink);
}

.topbar {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  padding: 20px 32px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand { display: flex; align-items: center; gap: 14px; }

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--green);
  color: #fff;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 500;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.brand h1 { font-size: 1.35rem; font-weight: 600; line-height: 1.1; }
.subtitle { margin: 2px 0 0; font-size: 0.85rem; color: var(--ink-muted); }

.controls { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }

select, .btn {
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  border-radius: 8px;
  padding: 9px 16px;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: transform 0.1s ease, border-color 0.15s ease, background 0.15s ease;
}

select {
  background: var(--surface);
  color: var(--ink);
  min-width: 180px;
}

.btn-primary {
  background: var(--green);
  color: #fff;
  border-color: var(--green);
  font-weight: 500;
}
.btn-primary:hover { background: var(--green-dark); }

.btn-ghost {
  background: transparent;
  color: var(--ink);
}
.btn-ghost:hover { border-color: var(--ink-muted); }

.btn-sm { padding: 6px 12px; font-size: 0.8rem; }
.btn:active { transform: scale(0.97); }
.btn:disabled { opacity: 0.5; cursor: wait; }

button:focus-visible, select:focus-visible {
  outline: 2px solid var(--sky);
  outline-offset: 2px;
}

main { padding: 28px 32px 60px; max-width: 1200px; margin: 0 auto; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent, var(--green));
  border-radius: var(--radius);
  padding: 18px 20px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.card h3 {
  font-family: 'Fraunces', serif;
  font-size: 1.05rem;
  font-weight: 600;
  margin: 0;
  line-height: 1.3;
}

.card .uid {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  color: var(--ink-muted);
  background: var(--bg);
  border-radius: 5px;
  padding: 3px 8px;
  width: fit-content;
}

.card .btn { margin-top: auto; align-self: flex-start; }

.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--ink-muted);
  padding: 40px 20px;
  font-size: 0.95rem;
}

.data-panel {
  margin-top: 32px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}
.data-panel.hidden { display: none; }

.data-panel-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 18px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.72rem;
  color: var(--gold);
  font-weight: 600;
  margin: 0 0 4px;
}

.stats-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.stat {
  background: var(--bg);
  border-radius: 8px;
  padding: 10px 16px;
  min-width: 130px;
}
.stat .value {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.3rem;
  font-weight: 500;
  color: var(--green-dark);
}
.stat .label {
  font-size: 0.75rem;
  color: var(--ink-muted);
}

.charts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 24px;
}

.chart-wrap {
  background: var(--bg);
  border-radius: 8px;
  padding: 14px 16px 6px;
  max-height: 280px;
}

.chart-label {
  font-size: 0.78rem;
  color: var(--ink-muted);
  margin: 0 0 8px;
  font-weight: 500;
}

.chart-label-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}

.chart-label-row label {
  font-size: 0.78rem;
  color: var(--ink-muted);
  font-weight: 500;
}

.chart-label-row select {
  min-width: 160px;
  padding: 5px 10px;
  font-size: 0.82rem;
}

@media (max-width: 800px) {
  .charts-grid { grid-template-columns: 1fr; }
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
}

table { border-collapse: collapse; width: 100%; font-size: 0.85rem; }

th, td {
  text-align: left;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

th {
  background: var(--bg);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--ink-muted);
  position: sticky;
  top: 0;
}

tbody tr:hover { background: rgba(47, 111, 78, 0.05); }

@media (max-width: 640px) {
  .topbar { padding: 16px 18px; }
  main { padding: 20px 16px 40px; }
  .controls { width: 100%; }
  select { flex: 1; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}