/* Structuur van de boekingstool. Elk concept zet deze variabelen zelf. */
[data-booking] {
  --bk-bg: #fff; --bk-surface: #f4f4f4; --bk-text: #111; --bk-muted: #666;
  --bk-line: #ddd; --bk-accent: #111; --bk-on-accent: #fff; --bk-radius: 6px;
  --bk-display: inherit;
}
.bk { background: var(--bk-bg); color: var(--bk-text); border: 1px solid var(--bk-line); border-radius: var(--bk-radius); padding: clamp(18px, 3vw, 32px); }
.bk button, .bk input, .bk textarea { font: inherit; color: inherit; }
.bk button { cursor: pointer; }
.bk :focus-visible { outline: 2px solid var(--bk-accent); outline-offset: 2px; }

.bk-steps { list-style: none; display: flex; gap: 6px 22px; flex-wrap: wrap; margin: 0 0 24px; padding: 0 0 18px; border-bottom: 1px solid var(--bk-line); font-size: 14px; color: var(--bk-muted); }
.bk-steps li { display: flex; align-items: center; gap: 8px; }
.bk-steps span { width: 24px; height: 24px; border-radius: 50%; border: 1px solid var(--bk-line); display: grid; place-items: center; font-size: 12px; }
.bk-steps .is-now { color: var(--bk-text); font-weight: 500; }
.bk-steps .is-now span { background: var(--bk-accent); color: var(--bk-on-accent); border-color: var(--bk-accent); }
.bk-steps .is-done span { border-color: var(--bk-accent); color: var(--bk-accent); }

.bk-body { display: grid; grid-template-columns: minmax(0, 1fr) 240px; gap: 28px; }
.bk-main { min-width: 0; min-height: 260px; }
.bk-hint { color: var(--bk-muted); padding: 14px 0; }

.bk-cats { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; margin-bottom: 16px; }
.bk-cat { text-align: left; background: var(--bk-surface); border: 1px solid transparent; border-radius: var(--bk-radius); padding: 12px 14px; display: grid; gap: 2px; }
.bk-cat-name { font-family: var(--bk-display); font-size: 18px; }
.bk-cat-note { font-size: 13px; color: var(--bk-muted); }
.bk-cat.is-on { border-color: var(--bk-accent); }

.bk-items { list-style: none; margin: 0; padding: 0; max-height: 300px; overflow-y: auto; }
.bk-item { width: 100%; display: flex; justify-content: space-between; gap: 12px; background: none; border: 0; border-bottom: 1px solid var(--bk-line); padding: 11px 4px; text-align: left; }
.bk-item:hover { background: var(--bk-surface); }
.bk-item.is-on { background: var(--bk-surface); box-shadow: inset 3px 0 0 var(--bk-accent); padding-left: 12px; }
.bk-price { color: var(--bk-muted); white-space: nowrap; font-size: 14px; }

.bk-field { border: 0; margin: 0 0 20px; padding: 0; }
.bk-field legend { margin-bottom: 10px; font-weight: 500; }
.bk small { color: var(--bk-muted); font-weight: 400; font-size: 13px; }
.bk-seg { display: flex; flex-wrap: wrap; gap: 8px; }
.bk-seg button, .bk-stepper button, .bk-times button, .bk-days button { background: var(--bk-surface); border: 1px solid transparent; border-radius: var(--bk-radius); padding: 10px 14px; }
.bk-seg .is-on, .bk-times .is-on, .bk-days .is-on { border-color: var(--bk-accent); background: var(--bk-accent); color: var(--bk-on-accent); }
.bk-seg .is-on small, .bk-days .is-on span { color: inherit; opacity: .8; }
.bk-stepper { display: inline-flex; align-items: center; gap: 12px; }
.bk-stepper button { width: 40px; padding: 8px 0; }
.bk-stepper output { min-width: 80px; text-align: center; }
.bk-check { display: flex; gap: 10px; align-items: center; }
.bk-check input { width: 18px; height: 18px; accent-color: var(--bk-accent); }

.bk-days { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 8px; margin-bottom: 14px; scrollbar-width: thin; }
.bk-days button { flex: 0 0 62px; display: grid; gap: 1px; text-align: center; font-size: 12px; padding: 8px 0; }
.bk-days b { font-size: 20px; font-weight: 500; font-family: var(--bk-display); }
.bk-days span { color: var(--bk-muted); }
.bk-times { display: grid; grid-template-columns: repeat(auto-fill, minmax(72px, 1fr)); gap: 8px; }
.bk-times button:disabled { opacity: .3; text-decoration: line-through; cursor: not-allowed; }

.bk-input { display: grid; gap: 6px; margin-bottom: 14px; font-size: 14px; }
.bk-input input, .bk-input textarea { background: var(--bk-surface); border: 1px solid var(--bk-line); border-radius: var(--bk-radius); padding: 11px 12px; font-size: 16px; width: 100%; }

.bk-sum { border-left: 1px solid var(--bk-line); padding-left: 22px; font-size: 14px; align-self: start; }
.bk-sum-empty { color: var(--bk-muted); }
.bk-sum-item { font-family: var(--bk-display); font-size: 20px; line-height: 1.2; margin-bottom: 6px; }
.bk-sum-sub { color: var(--bk-muted); margin-bottom: 4px; }
.bk-sum-total { display: flex; justify-content: space-between; margin-top: 16px; padding-top: 12px; border-top: 1px solid var(--bk-line); }
.bk-sum-total b { font-weight: 500; }

.bk-nav { display: flex; justify-content: space-between; gap: 12px; margin-top: 24px; }
.bk-btn { border-radius: var(--bk-radius); padding: 13px 22px; border: 1px solid var(--bk-accent); text-decoration: none; display: inline-block; text-align: center; font-weight: 500; }
.bk .bk-btn-main { background: var(--bk-accent); color: var(--bk-on-accent); }
.bk .bk-btn-main:disabled { background: none; color: var(--bk-muted); border-color: var(--bk-line); cursor: not-allowed; }
.bk .bk-btn-ghost { background: none; color: var(--bk-text); }

.bk-done { display: grid; gap: 14px; justify-items: start; }
.bk-done-title { font-family: var(--bk-display); font-size: 28px; }
.bk-demo { font-size: 12px; color: var(--bk-muted); }

@media (max-width: 700px) {
  .bk-body { grid-template-columns: 1fr; gap: 18px; }
  .bk-sum { border-left: 0; border-top: 1px solid var(--bk-line); padding: 16px 0 0; }
  .bk-items { max-height: none; overflow: visible; }
  .bk-steps { font-size: 0; gap: 8px; }
  .bk-steps li { font-size: 13px; }
  .bk-steps li:not(.is-now) { font-size: 0; }
}

/* Maandkalender (data-calendar) */
.bk-cal { margin-bottom: 16px; }
.bk-cal-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.bk-cal-head b { font-family: var(--bk-display); font-weight: 400; font-size: 20px; text-transform: capitalize; }
.bk-cal-head button { width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--bk-line); background: none; font-size: 20px; line-height: 1; }
.bk-cal-head button:disabled { opacity: .3; cursor: default; }
.bk-cal-grid { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 4px; text-align: center; }
.bk-cal-grid i { font-style: normal; font-size: 12px; color: var(--bk-muted); padding-bottom: 4px; }
.bk-cal-grid button { aspect-ratio: 1; border: 1px solid transparent; border-radius: 50%; background: none; font-variant-numeric: tabular-nums; }
.bk-cal-grid button:not(:disabled):hover { background: var(--bk-surface); }
.bk-cal-grid button:disabled { color: var(--bk-muted); opacity: .4; cursor: default; }
.bk-cal-grid .is-today { border-color: var(--bk-line); }
.bk .bk-cal-grid .is-on { background: var(--bk-accent); color: var(--bk-on-accent); }
.bk-times-label { font-size: 13px; color: var(--bk-muted); margin: 6px 0 8px; }