/* Monte Carlo page */

.mc-stage {
  padding: 24px 28px 32px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

/* Two-column layout: canvas left, stats right */
.mc-body {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  flex-wrap: wrap;
}

/* SVG canvas */
.mc-canvas-wrap {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.mc-canvas-stack {
  border-radius: 10px;
  box-shadow: var(--shadow);
  overflow: hidden;
  background: var(--surface);
}
.mc-svg {
  display: block;
  width: 100%;
  height: 100%;
}
.mc-dot-canvas {
  border-radius: 10px;
  pointer-events: none;
}
.mc-boundary {
  fill: transparent;
  stroke: var(--line-strong);
  stroke-width: 1.5;
  cursor: crosshair;
}
.mc-vertex {
  cursor: grab;
}
.mc-vertex:active {
  cursor: grabbing;
}
.mc-polygon {
  fill: var(--accent-soft);
  stroke: var(--accent);
  stroke-width: 2;
  stroke-linejoin: round;
  opacity: 0.85;
}
.mc-vertex {
  fill: var(--accent-deep);
  stroke: white;
  stroke-width: 1.5;
}
.mc-dot {
  opacity: 0.72;
}
.mc-dot.inside {
  fill: var(--good);
}
.mc-dot.outside {
  fill: oklch(0.68 0.18 25);
}
.mc-canvas-label {
  font-size: 11px;
  color: var(--muted);
  text-align: center;
  font-family: 'system-ui', sans-serif;
}

/* Stats panel (right of canvas) */
.mc-stats {
  flex: 1 1 220px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 200px;
}

/* Area result cards */
.mc-area-card {
  background: var(--surface-2);
  border: 1.5px solid var(--line);
  border-radius: 10px;
  padding: 14px 18px;
}
.mc-area-card.exact {
  border-color: var(--cool);
  background: var(--cool-soft);
}
.mc-area-card.estimate {
  border-color: var(--good);
  background: var(--good-soft);
}
.mc-area-label {
  font-family: 'system-ui', sans-serif;
  font-size: 10.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--muted);
  margin-bottom: 6px;
}
.mc-area-val {
  font-family: 'system-ui', monospace;
  font-size: 26px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.02em;
}
.mc-area-error {
  margin-top: 4px;
  font-family: 'system-ui', monospace;
  font-size: 12px;
  color: var(--muted);
}
.mc-area-error.good { color: var(--good); }
.mc-area-error.warn { color: var(--warn); }

/* π estimate card */
.mc-pi-card {
  border-color: var(--accent);
  background: var(--accent-soft);
}
.mc-pi-val {
  font-family: 'system-ui', monospace;
  font-size: 34px;
  font-weight: 700;
  color: var(--accent-deep);
  letter-spacing: -0.02em;
  line-height: 1.05;
}
.mc-pi-true {
  font-family: 'system-ui', monospace;
  font-size: 12px;
  color: var(--muted);
  margin: 2px 0 4px;
}

/* Progress row */
.mc-progress {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.mc-progress-row {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}
.mc-dot-badge {
  font-family: 'system-ui', monospace;
  font-size: 11.5px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 4px;
}
.mc-dot-badge.inside {
  background: var(--good-soft);
  color: oklch(0.35 0.12 145);
}
.mc-dot-badge.outside {
  background: oklch(0.94 0.04 25);
  color: oklch(0.45 0.14 25);
}
.mc-formula {
  font-family: 'system-ui', monospace;
  font-size: 11px;
  color: var(--muted);
}

/* Field label+input combos (mirrors segtree-opbar .field) */
.mc-controls .field {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.mc-controls .field label {
  font-family: 'system-ui', sans-serif;
  font-size: 10.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--muted);
}
.mc-controls .field input {
  width: 80px;
  padding: 6px 8px;
  border: 1.5px solid var(--line-strong);
  border-radius: 6px;
  background: var(--surface);
  font-family: 'system-ui', monospace;
  font-size: 13px;
  color: var(--ink);
}

/* Controls */
.mc-controls {
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 14px;
}
.mc-btn-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.mc-speed-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  color: var(--muted);
}
.mc-speed-row input[type=range] { flex: 1; }

.mc-btn-row .active-n {
  border-color: var(--accent);
  color: var(--accent-deep);
  background: var(--accent-soft);
}

/* Convergence table */
.mc-conv-table {
  font-family: 'system-ui', monospace;
  font-size: 11.5px;
  border-collapse: collapse;
  width: 100%;
}
.mc-conv-table th, .mc-conv-table td {
  padding: 3px 8px;
  border-bottom: 1px solid var(--line);
  text-align: left;
}
.mc-conv-table th {
  font-family: 'system-ui', sans-serif;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  font-weight: 600;
}
.mc-conv-table tr.pending td { color: var(--muted); }
.mc-conv-table td.good { color: var(--good); font-weight: 600; }
.mc-conv-table td.warn { color: var(--warn); }
.mc-conv-table td.bad  { color: oklch(0.55 0.18 25); }