:root {
  --bg: #0b0e14;
  --panel: #11151f;
  --panel2: #171c29;
  --border: #232a3b;
  --text: #dfe5f0;
  --muted: #8b95ab;
  --accent: #5ba8ff;
  --ok: #4cd97b;
  --warn: #ffb454;
  --danger: #ff6b6b;
}

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

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.45 -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  overflow: hidden;
}

#app {
  display: grid;
  grid-template-columns: 300px 1fr;
  grid-template-rows: 52px 1fr;
  height: 100vh;
}

header {
  grid-column: 1 / 3;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 0 16px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}

header h1 {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
  white-space: nowrap;
}
header h1 .sub { color: var(--muted); font-weight: 400; }

.tabs { display: flex; gap: 4px; }
.tabs button {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 5px 14px;
  font-size: 13px;
  cursor: pointer;
}
.tabs button.active {
  background: var(--panel2);
  color: var(--text);
  border-color: var(--accent);
}

#readouts {
  margin-left: auto;
  display: flex;
  gap: 18px;
  font-variant-numeric: tabular-nums;
  font-size: 12.5px;
  white-space: nowrap;
}
#readouts .ro { color: var(--muted); }
#readouts .ro b { color: var(--text); font-weight: 600; margin-left: 5px; }
#readouts .ro b.ok { color: var(--ok); }
#readouts .ro b.warn { color: var(--warn); }

aside {
  background: var(--panel);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.card {
  background: var(--panel2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
}
.card h2 {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 10px;
}

.row { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.row:last-child { margin-bottom: 0; }
.row label { color: var(--muted); font-size: 12.5px; flex: 1; }
.row output { font-variant-numeric: tabular-nums; font-size: 12.5px; min-width: 42px; text-align: right; }

input[type="range"] { flex: 2; accent-color: var(--accent); }

button.ctl {
  background: #1d2433;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 12px;
  font-size: 13px;
  cursor: pointer;
}
button.ctl:hover { border-color: var(--accent); }
button.ctl.primary { background: #1d3a5f; border-color: #2f5f9e; }
button.ctl.danger:hover { border-color: var(--danger); }

.seg { display: flex; border: 1px solid var(--border); border-radius: 6px; overflow: hidden; width: 100%; }
.seg button {
  flex: 1;
  background: transparent;
  color: var(--muted);
  border: none;
  padding: 7px 4px;
  font-size: 12.5px;
  cursor: pointer;
}
.seg button.active { background: #1d2433; color: var(--text); }
.seg button.active.pure { background: #12331f; color: var(--ok); }
.seg button.active.pert { background: #3a2a12; color: var(--warn); }

.mode-badge {
  font-size: 11.5px;
  border-radius: 5px;
  padding: 5px 8px;
  margin-top: 8px;
  line-height: 1.4;
}
.mode-badge.pure { background: #0f2b1a; color: var(--ok); border: 1px solid #1c4d30; }
.mode-badge.pert { background: #33240d; color: var(--warn); border: 1px solid #5f4517; }

.legend-vacua { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; margin-bottom: 10px; }
.legend-vacua .sw {
  height: 22px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10.5px;
  color: rgba(0,0,0,0.75);
  font-weight: 700;
}

table.sectors { width: 100%; border-collapse: collapse; font-size: 12px; }
table.sectors th, table.sectors td {
  text-align: left;
  padding: 3px 4px;
  border-bottom: 1px solid var(--border);
}
table.sectors th { color: var(--muted); font-weight: 500; }
table.sectors td.dark { color: var(--muted); font-style: italic; }

.info p { font-size: 12.5px; color: var(--muted); margin-bottom: 8px; }
.info p b { color: var(--text); }
.info .lvl { display: inline-block; border-radius: 4px; padding: 0 5px; font-size: 11px; font-weight: 600; }
.info .lvl.exact { background: #0f2b1a; color: var(--ok); }
.info .lvl.proxy { background: #33240d; color: var(--warn); }
.info .lvl.prov { background: #2b1a33; color: #c792ea; }

/* Advanced / Verification panel (Features 1+2) -- collapsed by default so
   the default view stays exactly as clean as before this panel existed. */
.advanced-toggle {
  width: 100%;
  background: transparent;
  color: var(--muted);
  border: none;
  text-align: left;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  cursor: pointer;
  padding: 0;
}
.advanced-toggle:hover { color: var(--text); }
#advanced-body { margin-top: 12px; }
.adv-section {
  padding-top: 10px;
  margin-top: 10px;
  border-top: 1px solid var(--border);
}
.adv-section:first-child { padding-top: 0; margin-top: 0; border-top: none; }
#advanced-card .row label[for] { cursor: pointer; }
input[disabled] { opacity: 0.4; cursor: not-allowed; }
label[aria-disabled="true"] { opacity: 0.5; cursor: not-allowed; }

.hint.warn-text { color: var(--warn); }

.scc-slider-wrap { position: relative; flex: 2; }
.scc-slider-wrap input[type="range"] { width: 100%; }
.scc-tick {
  position: absolute;
  top: 50%;
  width: 2px;
  height: 12px;
  margin-top: -6px;
  background: var(--ok);
  pointer-events: none;
}

.scc-table { margin-top: 4px; }
.scc-table th { font-size: 11px; }
.scc-table td { font-variant-numeric: tabular-nums; }

.hint { font-size: 11.5px; color: var(--muted); line-height: 1.5; }
.hint kbd {
  background: #1d2433;
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 0 4px;
  font-size: 10.5px;
}

main { position: relative; overflow: hidden; }

.view { position: absolute; inset: 0; display: none; }
.view.active { display: block; }

#view-1d { display: none; grid-template-rows: 46% 54%; }
#view-1d.active { display: grid; }
#field-canvas, #history-canvas { width: 100%; height: 100%; display: block; touch-action: none; }
#field-canvas { cursor: crosshair; }
#history-canvas { border-top: 1px solid var(--border); cursor: default; }

#canvas-2d, #canvas-3d { width: 100%; height: 100%; display: block; touch-action: none; }

.chart-canvas {
  width: 100%;
  height: 92px;
  display: block;
  border-radius: 6px;
  border: 1px solid var(--border);
}

#domain-trend-readout {
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  color: var(--text);
  line-height: 1.4;
}
#domain-trend-readout.flat { color: var(--muted); }
#domain-trend-readout.trend { color: var(--warn); }

.overlay-label {
  position: absolute;
  left: 12px;
  top: 10px;
  font-size: 12px;
  color: var(--muted);
  background: rgba(11, 14, 20, 0.75);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 10px;
  pointer-events: none;
}
.overlay-label.prov { color: #c792ea; border-color: #4a3562; }
.overlay-label.extended { color: var(--ok); border-color: #1c4d30; }

.panel-caption {
  position: absolute;
  right: 12px;
  top: 10px;
  font-size: 11.5px;
  color: var(--muted);
  pointer-events: none;
}
.caption-history {
  top: calc(46% + 10px);
}