/* Basic layout */
:root {
  --bg: #0b0f14;
  --panel: #121822;
  --panel-2: #1a2230;
  --text: #e6edf3;
  --muted: #9fb0c3;
  --accent: #60a5fa;
  --accent-2: #34d399;
  --danger: #f87171;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Helvetica Neue, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  line-height: 1.4;
}

header, footer {
  padding: 16px 20px;
  background: var(--panel);
  border-bottom: 1px solid #233044;
}

main { padding: 16px 20px; }

h1, h2 { margin: 0 0 12px 0; }

#controls {
  background: var(--panel);
  border: 1px solid #233044;
  border-radius: 12px;
  padding: 12px;
}

.control-row { display: flex; gap: 12px; flex-wrap: wrap; }
.control-row label { display: flex; flex-direction: column; font-size: 14px; gap: 6px; }

input[type="number"], input[type="text"] {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid #2e3a52;
  border-radius: 8px;
  padding: 8px 10px;
}
select {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid #2e3a52;
  border-radius: 8px;
  padding: 8px 10px;
}

button {
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 8px;
  padding: 8px 12px;
  cursor: pointer;
}
button.secondary { background: var(--panel-2); border: 1px solid #2e3a52; }
button.danger { background: var(--danger); }
button.ghost { background: transparent; border: 1px dashed #2e3a52; color: var(--muted); }
button:disabled { opacity: 0.6; cursor: not-allowed; }

.scenarios-header { display: flex; align-items: center; justify-content: space-between; margin-top: 12px; }

.scenario {
  margin-top: 12px;
  padding: 12px;
  background: var(--panel-2);
  border: 1px solid #2e3a52;
  border-radius: 12px;
}

.scenario .row { display: flex; gap: 8px; flex-wrap: wrap; align-items: flex-end; }
.scenario .col { display: flex; flex-direction: column; gap: 6px; }

.age-list { display: flex; flex-direction: column; gap: 6px; }
.age-item { display: flex; gap: 6px; }

#chart-section, #results { margin-top: 16px; }

.metric-card {
  display: inline-block;
  min-width: 220px;
  padding: 10px 12px;
  margin: 6px 6px 0 0;
  border-radius: 8px;
  border: 1px solid #2e3a52;
  background: #111827;
}
.metric-card h3 { margin: 0 0 6px 0; font-size: 14px; color: var(--muted); font-weight: 600; }
.metric-card .val { font-size: 16px; }