/* ── booking: calendar + request form ───────────────────────────────── */
.bk { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 28px; align-items: start; }
@media (max-width: 860px) { .bk { grid-template-columns: 1fr; } }

.bk-cal { border: 1px solid var(--an-line); border-radius: var(--an-r); padding: 20px; background: var(--an-panel); }
.bk-cal-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.bk-title { font: 400 1.05rem/1 var(--an-serif); letter-spacing: .06em; }
.bk-nav {
  width: 34px; height: 34px; display: grid; place-items: center; cursor: pointer;
  background: transparent; color: var(--an-muted);
  border: 1px solid var(--an-line); border-radius: var(--an-r); font-size: 1.1rem;
  transition: color .15s, border-color .15s;
}
.bk-nav:hover:not(:disabled) { color: var(--an-accent-tx); border-color: var(--an-accent); }
.bk-nav:disabled { opacity: .3; cursor: default; }

.bk-dow, .bk-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; }
.bk-dow {
  margin-bottom: 8px;
  font: 500 .6rem/1 var(--an-sans); letter-spacing: .14em; text-transform: uppercase; color: var(--an-dim);
}
.bk-dow span { text-align: center; padding: 6px 0; }

.bk-day {
  aspect-ratio: 1; display: grid; place-items: center; cursor: pointer;
  border: 1px solid transparent; border-radius: var(--an-r);
  background: var(--an-raised); color: var(--an-fg);
  font: 400 .84rem/1 var(--an-sans);
  transition: background .15s, border-color .15s, color .15s;
}
.bk-day:hover { border-color: var(--an-accent); color: var(--an-accent-tx); }
.bk-day.is-empty { background: transparent; cursor: default; }
.bk-day.is-empty:hover { border-color: transparent; }
/* Taken and past days are stated, not merely dimmed — a client should not have to guess. */
.bk-day.is-taken, .bk-day.is-past {
  background: transparent; color: var(--an-dim); cursor: not-allowed;
  text-decoration: line-through; text-decoration-color: var(--an-dim);
}
.bk-day.is-taken:hover, .bk-day.is-past:hover { border-color: transparent; color: var(--an-dim); }
.bk-day.is-sel { background: var(--an-accent); border-color: var(--an-accent); color: #eaf5ef; font-weight: 500; }

.bk-legend {
  margin: 16px 0 0; display: flex; align-items: center; gap: 8px;
  font: 400 .68rem/1 var(--an-sans); letter-spacing: .1em; text-transform: uppercase; color: var(--an-dim);
}
.bk-key { width: 11px; height: 11px; border-radius: 2px; display: inline-block; }
.bk-key-open { background: var(--an-raised); border: 1px solid var(--an-line); }
.bk-key-taken { background: transparent; border: 1px solid var(--an-dim); margin-left: 10px; }

.bk-form { border: 1px solid var(--an-line); border-radius: var(--an-r); padding: 22px; background: var(--an-panel); }
.bk-chosen {
  margin: 0 0 18px; padding-bottom: 14px; border-bottom: 1px solid var(--an-line);
  font: 400 1.02rem/1.3 var(--an-serif); color: var(--an-muted);
}
.bk-chosen.is-set { color: var(--an-accent-tx); }
.bk-field { display: block; margin-bottom: 14px; }
.bk-field span {
  display: block; margin-bottom: 6px;
  font: 500 .64rem/1 var(--an-sans); letter-spacing: .16em; text-transform: uppercase; color: var(--an-dim);
}
.bk-field input, .bk-field select, .bk-field textarea {
  width: 100%; padding: 11px 12px; background: var(--an-bg); color: var(--an-fg);
  border: 1px solid var(--an-line); border-radius: var(--an-r);
  font: 400 .92rem var(--an-sans); outline: none; resize: vertical;
}
.bk-field input:focus, .bk-field select:focus, .bk-field textarea:focus { border-color: var(--an-accent); }
.bk-submit { width: 100%; justify-content: center; margin-top: 4px; }
.bk-submit:disabled { opacity: .45; cursor: not-allowed; }
.bk-msg { margin: 12px 0 0; font: 400 .8rem/1.5 var(--an-sans); color: var(--an-muted); min-height: 1.2em; }
.bk-msg.is-ok { color: var(--an-accent-tx); }
.bk-msg.is-err { color: #f87171; }