/* Bottom sheet: slides up from the bottom; the map stays visible above it
   (brief §5.16 — sheet, not modal). Alpine/JS toggles the .is-open class. */
.bottom-sheet {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1500;
  background: var(--colour-bg);
  border-top-left-radius: 16px;
  border-top-right-radius: 16px;
  box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.25);
  padding: 1rem 1rem 1.5rem;
  transform: translateY(100%);
  transition: transform 200ms ease-out;
  max-height: 70vh;
  overflow-y: auto;
}

.bottom-sheet.is-open {
  transform: translateY(0);
}

.bottom-sheet__header h2 {
  margin: 0 0 0.75rem;
  font-size: 1.1rem;
}

.kerb-type-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
}

.kerb-type-card {
  min-height: 96px; /* comfortably exceeds the 44px minimum */
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  border: 2px solid var(--colour-border);
  border-radius: var(--radius);
  background: var(--colour-bg);
  color: var(--colour-text);
}

.kerb-type-card[aria-checked="true"] {
  border-color: var(--colour-chrome);
  box-shadow: inset 0 0 0 2px var(--colour-chrome);
}

.kerb-type-card[aria-checked="true"]::after {
  content: "✓";
  color: var(--colour-chrome);
  font-weight: 700;
}

.optional-details {
  margin-top: 1rem;
}

.optional-details__heading {
  margin: 0 0 0.4rem;
  font-weight: 600;
}

.disclosure-btn {
  display: block;
  width: 100%;
  text-align: left;
  min-height: var(--tap-min);
  padding: 0 0.6rem;
  margin-bottom: 0.4rem;
  border: 1px solid var(--colour-border);
  border-radius: var(--radius);
  background: var(--colour-bg);
}

.disclosure-body {
  padding: 0.4rem 0.6rem 0.8rem;
}

.disclosure-body fieldset {
  border: 0;
  padding: 0;
  margin: 0;
  display: flex;
  gap: 1.2rem;
}

.disclosure-body label {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  min-height: var(--tap-min);
}

.odbl-disclosure {
  margin: 1rem 0 0.75rem;
  font-size: 0.8rem;
  color: #595959;
}

.bottom-sheet__actions {
  display: flex;
  gap: 0.6rem;
  justify-content: flex-end;
}

/* Dynamically-built sheets (action / assertion / flag) sit in a dismissable
   backdrop; the map stays partly visible behind the translucent overlay. */
.sheet-backdrop {
  position: fixed;
  inset: 0;
  z-index: 1600;
  display: flex;
  align-items: flex-end;
  background: rgba(0, 0, 0, 0.3);
}

.sheet-backdrop .bottom-sheet {
  position: relative;
  transform: none;
  width: 100%;
}

.action-choice {
  display: block;
  width: 100%;
  margin-bottom: 0.5rem;
  justify-content: center;
}

/* --- Phase 11 §5.3: help drawer + onboarding sheet ------------------------ */

.help-body {
  padding: 0 1rem 1rem;
  overflow-y: auto;
}

.faq-item {
  border-bottom: 1px solid var(--colour-border);
  padding: 0.4rem 0;
}

.faq-item summary {
  cursor: pointer;
  min-height: var(--tap-min);
  display: flex;
  align-items: center;
  font-weight: 600;
}

.faq-item p {
  margin: 0.3rem 0 0.6rem;
  line-height: 1.5;
}

.help-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
  margin: 0.9rem 0 0.4rem;
}

.help-links a {
  color: var(--colour-primary);
  min-height: var(--tap-min);
  display: inline-flex;
  align-items: center;
}

.help-meta {
  color: var(--colour-text-muted);
  font-size: 0.85rem;
  margin: 0.4rem 0 0;
}

.onboarding-body {
  padding: 0 1rem;
  line-height: 1.5;
  min-height: 3.2em; /* steady sheet height while steps change */
}

.onboarding-progress {
  padding: 0 1rem;
  color: var(--colour-text-muted);
  font-size: 0.85rem;
  margin: 0.25rem 0 0;
}