.lab-collections { display: flex; align-items: center; gap: 22px; padding: 0 0 13px; color: var(--muted); font-size: 12px; }
.lab-collections a { padding: 4px 0; }
.lab-collections [aria-current] { color: var(--accent); font-weight: 650; }
.level-route { display: grid; grid-template-columns: repeat(var(--stages, 5), minmax(0, 1fr)); gap: 8px; margin: 0 0 18px; }
.level-route button { display: grid; grid-template-columns: 24px minmax(0, 1fr); align-items: center; gap: 2px 7px; padding: 10px; text-align: left; border: 1px solid var(--line); border-radius: 5px; background: var(--surface); }
.level-route button > span { grid-row: 1 / 3; color: var(--muted); font: 12px ui-monospace, monospace; }
.level-route strong { font-size: 12px; font-weight: 550; overflow-wrap: anywhere; }
.level-route small { font-size: 10px; color: var(--muted); }
.level-route [aria-current] { background: var(--soft); border-color: var(--accent); }
.level-route [aria-current] > span, .level-route [aria-current] strong { color: var(--accent); }
.level-brief { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 13px 0 18px; border-bottom: 1px solid var(--line); margin-bottom: 24px; }
.level-brief > div > span { display: block; color: var(--muted); font-size: 11px; margin-bottom: 4px; }
.level-brief strong { display: block; font-size: 14px; font-weight: 550; }
.level-brief p { margin: 5px 0 0; color: var(--muted); font-size: 12px; max-width: 660px; }
.level-entry-note { flex: 0 0 130px; font-size: 11px; color: var(--muted); }
.tile.entry-cell::after { content: ''; position: absolute; inset: 4px; border: 1px dashed var(--accent); pointer-events: none; }
.quick-guide { padding: 14px 18px; border: 1px solid var(--line); border-radius: 6px; background: var(--surface); margin: 0 0 22px; }
.quick-guide-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 6px; }
.quick-guide h2 { margin: 0; font-size: 14px; color: var(--accent); }
.quick-guide p { margin: 6px 0; font-size: 12px; line-height: 1.8; overflow-wrap: anywhere; }
.quick-guide p > strong { color: var(--accent); margin-right: 10px; }
.quick-guide summary { font-size: 12px; color: var(--accent); padding: 8px 0 2px; cursor: pointer; }
.difficulty-picker { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin: -8px 0 18px; font-size: 12px; }
.difficulty-picker > span { margin-right: 4px; color: var(--muted); }
.difficulty-picker a { border: 1px solid var(--line); border-radius: 5px; background: var(--surface); padding: 8px 12px; }
.difficulty-picker [aria-current] { color: var(--accent); background: var(--soft); border-color: var(--accent); font-weight: 600; }
.difficulty-picker small { color: var(--muted); margin-left: 4px; }
.damage-status { margin: 0 0 8px 25px; font-size: 11px; color: var(--amber); }
.tile.damaged-clue { background: var(--amber-soft); color: var(--amber); }
.damage-mark { font: 500 25px ui-monospace, monospace; }
@media (max-width: 690px) {
  .quick-guide { padding: 12px; }
  .difficulty-picker small { flex-basis: 100%; margin: 2px 0 0; }
  .level-route { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 6px; }
  .level-route button { grid-template-columns: 18px minmax(0, 1fr); padding: 8px 6px; gap: 2px 4px; }
  .level-route strong { font-size: 11px; }
  .level-brief { display: block; margin-bottom: 18px; }
  .level-entry-note { display: block; margin-top: 8px; font-size: 10px; }
}