/* ============================================================
   Direktbuchung – Kalender, Preis, Formular (Präfix .bk)
   ============================================================ */
.bk {
  margin-top: 22px;
  padding: 22px;
  border: 1px solid rgba(26,26,26,.12);
  background: rgba(255,255,255,.6);
  font-family: var(--ff-sans);
  color: var(--ink, #1a1a1a);
}
.bk-muted { color: var(--muted, #7a7a72); margin: 0; }
.bk-small { font-size: 13px; }
.bk-error { color: #9c3b2b; font-size: 14px; margin: 10px 0 0; min-height: 0; }

/* Kalender */
.bk-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.bk-head strong { font-weight: 500; font-size: 16px; letter-spacing: .01em; }
.bk-nav { width: 36px; height: 36px; border: 1px solid rgba(26,26,26,.25); background: transparent; font: inherit; font-size: 18px; cursor: pointer; color: var(--ink); }
.bk-nav:disabled { opacity: .25; cursor: default; }
.bk-grid { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 3px; }
.bk-wd { font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); text-align: center; padding: 4px 0 6px; }
.bk-day { aspect-ratio: 1 / 1.05; border: 1px solid transparent; background: transparent; font: inherit; color: var(--ink); cursor: pointer; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 1px; padding: 0; min-width: 0; transition: background .12s, border-color .12s; }
.bk-day b { font-weight: 500; font-size: 14px; line-height: 1; }
.bk-day small { font-size: 10px; color: var(--muted); line-height: 1.1; min-height: 11px; }
.bk-day.free { border-color: rgba(26,26,26,.10); background: rgba(255,255,255,.7); }
.bk-day.free:hover:not(:disabled) { border-color: var(--olive, #4d5742); }
.bk-day.taken { color: rgba(26,26,26,.28); cursor: default; }
.bk-day.taken b { text-decoration: line-through; text-decoration-thickness: 1px; }
.bk-day.taken.out-ok { color: var(--ink); cursor: pointer; border-color: rgba(26,26,26,.10); }
.bk-day.taken.out-ok b { text-decoration: none; }
.bk-day:disabled { cursor: default; }
.bk-day.empty { border: 0; background: none; }
.bk-day.in { background: rgba(77,87,66,.14); border-color: transparent; }
.bk-day.sel { background: var(--olive, #4d5742); border-color: var(--olive, #4d5742); color: #fff; }
.bk-day.sel small { color: rgba(255,255,255,.75); }
.bk-hint { margin: 12px 0 0; font-size: 13px; color: var(--muted); }

/* Zusammenfassung */
.bk-quote { margin-top: 18px; padding-top: 18px; border-top: 1px solid rgba(26,26,26,.12); }
.bk-dates { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; font-size: 14px; margin-bottom: 12px; }
.bk-line { display: flex; justify-content: space-between; font-size: 14px; padding: 6px 0; color: var(--ink-soft, #2c2c2c); }
.bk-line.total { border-top: 1px solid rgba(26,26,26,.15); margin-top: 6px; padding-top: 10px; font-weight: 600; font-size: 16px; color: var(--ink); }
.bk-link { background: none; border: 0; padding: 0; font: inherit; font-size: 13px; color: var(--ink); text-decoration: underline; text-underline-offset: 3px; cursor: pointer; }
.bk-submit { margin-top: 16px; width: 100%; justify-content: center; }
.bk-g { margin-bottom: 8px; }

/* Formular */
.bk-field { display: flex; flex-direction: column; gap: 6px; margin-top: 12px; font-size: 10.5px; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); }
.bk-field input, .bk-field select, .bk-field textarea { padding: 11px 12px; border: 1px solid rgba(26,26,26,.3); background: rgba(255,255,255,.8); font: inherit; font-size: 15px; letter-spacing: 0; text-transform: none; color: var(--ink); border-radius: 0; min-width: 0; }
.bk-field input:focus, .bk-field select:focus, .bk-field textarea:focus { outline: 2px solid var(--olive, #4d5742); outline-offset: -1px; }
.bk-row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.bk-check { display: flex; gap: 10px; align-items: flex-start; margin-top: 14px; font-size: 13px; line-height: 1.5; color: var(--ink-soft); }
.bk-check input { margin-top: 3px; }
.bk-check a { text-decoration: underline; }
.bk-actions { display: flex; align-items: center; gap: 18px; }
.bk-actions .bk-submit { flex: 1; }
.bk-hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.bk-done h4 { font-weight: 500; font-size: 20px; margin: 0 0 8px; }
.bk-done p { margin: 0 0 6px; line-height: 1.6; }

@media (max-width: 640px) {
  .bk { padding: 16px; }
  .bk-row2 { grid-template-columns: 1fr; gap: 0; }
  .bk-day b { font-size: 13px; }
  .bk-day small { font-size: 9px; }
}
.bk-dates span:last-child, .bk-line span:last-child { white-space: nowrap; }
.bk-hint:empty { display: none; }
.bk-exl { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-top: 2px; }
.bk-chk { display: flex; align-items: center; gap: 8px; font-size: 14px; letter-spacing: 0; text-transform: none; color: var(--ink); cursor: pointer; }
.bk-chk input { width: 16px; height: 16px; accent-color: var(--olive, #4d5742); margin: 0; }
.bk-note { background: #f1eee3; border: 1px solid #e2ddcb; border-radius: 10px; padding: 12px 14px; margin: 0 0 14px; font-size: 14px; line-height: 1.5; color: #4d5742; }
.bk-note a { color: inherit; font-weight: 600; }
.bk-pay { margin-top: 10px; }