/* Demo GUI styling. Kept in one same-origin file: the security headers set
   Content-Security-Policy: default-src 'self', which blocks inline styles. */

:root {
  color-scheme: light dark;

  --bg: #f6f7f9;
  --surface: #ffffff;
  --surface-2: #eef1f5;
  --text: #1b1f24;
  --text-dim: #5b6572;
  --border: #d8dee6;
  --accent: #1f6feb;
  --accent-text: #ffffff;
  --danger: #b3261e;
  --ok: #1a7f5a;
  --shadow: 0 1px 2px rgba(16, 22, 30, 0.06), 0 4px 12px rgba(16, 22, 30, 0.05);

  --site-0: #1f6feb;
  --site-1: #e8710a;
  --site-2: #1a7f5a;
  --site-3: #a63ea6;
  --site-4: #c0392b;
  --site-5: #0f8b8d;
  --site-6: #8d6e2f;
  --site-7: #5b53c4;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12151a;
    --surface: #191d24;
    --surface-2: #21262e;
    --text: #e6e9ee;
    --text-dim: #9aa4b2;
    --border: #2c333d;
    --accent: #5b9cff;
    --accent-text: #0d1117;
    --danger: #ff6b6b;
    --ok: #4ecf9a;
    --shadow: none;

    --site-0: #5b9cff;
    --site-1: #ff9d4d;
    --site-2: #4ecf9a;
    --site-3: #d98cd9;
    --site-4: #ff7b6b;
    --site-5: #47c4c6;
    --site-6: #d4b062;
    --site-7: #9b93ff;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

.wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 20px;
}

.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 32px 0 26px;
}

h1 {
  margin: 0 0 10px;
  font-size: clamp(1.55rem, 3.4vw, 2.2rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.lede {
  margin: 0;
  max-width: 68ch;
  color: var(--text-dim);
}

.step { margin: 34px 0; }

.step > h2 {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.15rem;
  margin: 0 0 14px;
}

.step-num {
  display: inline-grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--accent-text);
  font-size: 0.85rem;
  font-weight: 600;
}

/* --- scenario cards --- */

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 14px;
}

.card {
  text-align: left;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  cursor: pointer;
  color: inherit;
  font: inherit;
  box-shadow: var(--shadow);
  transition: border-color 0.15s, transform 0.15s;
}

.card:hover { transform: translateY(-2px); }

.card[aria-pressed="true"] {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent) inset;
}

.card-title { font-weight: 650; margin-bottom: 4px; }
.card-sub { color: var(--text-dim); font-size: 0.92rem; }

.scenario-detail {
  margin: 14px 0 0;
  max-width: 78ch;
  color: var(--text-dim);
}

/* --- knobs --- */

.knobs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px;
  box-shadow: var(--shadow);
}

.knob { display: flex; flex-direction: column; gap: 6px; }

.knob-label {
  font-weight: 600;
  font-size: 0.92rem;
  display: flex;
  justify-content: space-between;
  gap: 8px;
}

.knob-label output {
  font-variant-numeric: tabular-nums;
  color: var(--accent);
}

.knob-help { font-size: 0.82rem; color: var(--text-dim); }

input[type="range"] { width: 100%; accent-color: var(--accent); }

select {
  padding: 7px 8px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: inherit;
  font: inherit;
}

.advanced { margin-top: 14px; }

.advanced > summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 0.92rem;
  padding: 6px 0;
  color: var(--text-dim);
}

.advanced .knobs { margin-top: 10px; }

/* --- run --- */

.run-row {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 18px;
  flex-wrap: wrap;
}

button {
  font: inherit;
  border-radius: 9px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: inherit;
  padding: 9px 15px;
  cursor: pointer;
}

button:hover { border-color: var(--accent); }

button.primary {
  background: var(--accent);
  color: var(--accent-text);
  border-color: var(--accent);
  font-weight: 600;
  padding: 11px 22px;
}

button[disabled] { opacity: 0.55; cursor: progress; }

.run-status { color: var(--text-dim); font-size: 0.92rem; }

.error {
  margin-top: 12px;
  padding: 10px 12px;
  border-radius: 9px;
  border: 1px solid var(--danger);
  color: var(--danger);
  background: var(--surface);
}

/* --- results --- */

.preset-row {
  display: flex;
  gap: 9px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.preset-row button[aria-pressed="true"] {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent) inset;
}

.slider-row {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 18px;
  box-shadow: var(--shadow);
}

.slider-label {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  font-weight: 600;
  font-size: 0.92rem;
  margin-bottom: 6px;
}

.slider-label output { color: var(--accent); font-variant-numeric: tabular-nums; }

.panels {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  gap: 16px;
  margin-top: 16px;
}

@media (max-width: 900px) {
  .panels { grid-template-columns: minmax(0, 1fr); }
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 18px;
  box-shadow: var(--shadow);
  margin-top: 16px;
  min-width: 0;
}

.panels .panel { margin-top: 0; }

.panel h3 {
  margin: 0 0 10px;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.panel-side h3 + .chart-holder, .panel-side .objectives + h3 { margin-top: 18px; }

.map-holder svg, .chart-holder svg { width: 100%; height: auto; display: block; }

.map-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 12px;
  font-size: 0.85rem;
  color: var(--text-dim);
}

.legend-item { display: flex; align-items: center; gap: 6px; }

.legend-swatch {
  width: 11px;
  height: 11px;
  border-radius: 3px;
  display: inline-block;
}

/* --- objective bars --- */

.objectives { display: flex; flex-direction: column; gap: 13px; }

.obj { display: flex; flex-direction: column; gap: 4px; }

.obj-head {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  font-size: 0.9rem;
  font-weight: 600;
}

.obj-head span:last-child {
  font-variant-numeric: tabular-nums;
  color: var(--accent);
}

.obj-bar {
  height: 8px;
  border-radius: 5px;
  background: var(--surface-2);
  overflow: hidden;
}

.obj-fill { height: 100%; background: var(--accent); border-radius: 5px; }

.obj-help { font-size: 0.8rem; color: var(--text-dim); }

.chart-caption, .note {
  font-size: 0.82rem;
  color: var(--text-dim);
  margin: 10px 0 0;
}

/* --- tables --- */

.table-holder { overflow-x: auto; }

table {
  border-collapse: collapse;
  width: 100%;
  font-size: 0.9rem;
  font-variant-numeric: tabular-nums;
}

th, td {
  text-align: left;
  padding: 7px 10px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

th { color: var(--text-dim); font-weight: 600; }

tr.over td { color: var(--danger); font-weight: 600; }

td.good { color: var(--ok); }

.actions { display: flex; gap: 10px; flex-wrap: wrap; }

.cli {
  margin: 10px 0 0;
  padding: 12px 14px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 9px;
  overflow-x: auto;
  font-size: 0.85rem;
}

code { background: var(--surface-2); padding: 1px 5px; border-radius: 5px; font-size: 0.9em; }

.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
}

.about-grid h3 { margin: 0 0 6px; font-size: 0.98rem; }
.about-grid p { margin: 0; color: var(--text-dim); font-size: 0.92rem; }