/* Locked scaffold tokens: rail 288px expanded / 82px collapsed, #F6F6F6 canvas, white
   16px-radius cards, navy + periwinkle brand. A screen's own Claude Design CSS supplies
   the rest; this file only lays out the shell frame. */

:root {
  --apex-rail-width: 288px;
  --apex-canvas: #f6f6f6;
  --apex-navy: #1a1a2e;
  --apex-periwinkle: #7b7bf0;
  --apex-border: #e4e4ee;
}

.apex-shell {
  display: flex;
  min-height: 100vh;
  background: var(--apex-canvas);
}

.apex-rail {
  width: var(--apex-rail-width);
  flex-shrink: 0;
  background: #fff;
  border-right: 1px solid var(--apex-border);
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  overflow-y: auto;
}

.apex-rail__band {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.apex-rail__band-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #9a9ab0;
  padding: 8px 12px 4px;
}

.apex-rail__item {
  text-align: left;
  border: none;
  background: transparent;
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 500;
  color: var(--apex-navy);
  cursor: pointer;
}

.apex-rail__item:hover {
  background: var(--apex-canvas);
}

.apex-rail__item--active {
  background: var(--apex-periwinkle);
  color: #fff;
  font-weight: 600;
}

.apex-shell__content {
  flex: 1;
  min-width: 0;
  overflow-y: auto;
}

.apex-shell--blocked .apex-rail {
  display: none;
}