/* ==========================================================================
   Booking modal
   ========================================================================== */

.bk {
  position: fixed;
  inset: 0;
  z-index: 140;
  display: grid;
  place-items: center;
  padding: clamp(0.75rem, 0.5rem + 1.5vw, 2rem);
  pointer-events: none;
  font-family: var(--font-body);
}

.bk.is-open {
  pointer-events: auto;
}

.bk__scrim {
  position: absolute;
  inset: 0;
  background-color: rgba(2, 6, 4, 0.72);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  opacity: 0;
  transition: opacity var(--dur) var(--ease-out);
}

.bk.is-open .bk__scrim {
  opacity: 1;
}

.bk__modal {
  position: relative;
  width: min(100%, 640px);
  max-height: min(92svh, 780px);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-radius: var(--r-lg);
  background-color: rgba(6, 14, 10, 0.94);
  /* Same reasoning as the chat panel: this inherits a live 34px
     backdrop-filter from .glass--panel that has to keep resampling while the
     form (with several text inputs) is open. At 94% opacity it adds nothing
     visible, so it is dropped rather than paid for. */
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  opacity: 0;
  transform: translateY(12px) scale(0.985);
  transition:
    opacity var(--dur) var(--ease-out),
    transform var(--dur) var(--ease-out);
}

.bk.is-open .bk__modal {
  opacity: 1;
  transform: none;
}

/* ---- head --------------------------------------------------------------- */

.bk__head {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 1.1rem 1.25rem;
  border-bottom: 1px solid rgba(207, 247, 205, 0.12);
}

.bk__head > div {
  flex: 1;
  min-width: 0;
}

.bk__mark {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  flex: none;
}

.bk__title {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 500;
  color: var(--bone);
  line-height: 1.2;
}

.bk__sub {
  margin-top: 3px;
  font-size: 0.6875rem;
  letter-spacing: 0.04em;
  color: var(--stone-400);
}

.bk__close {
  flex: none;
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  cursor: pointer;
  color: var(--stone-400);
  background-color: rgba(255, 255, 255, 0.06);
  transition: color var(--dur-fast) var(--ease-out), background-color var(--dur-fast) var(--ease-out);
}

.bk__close:hover {
  color: var(--bone);
  background-color: rgba(255, 255, 255, 0.12);
}

/* provisional-availability warning */
.bk__notice {
  padding: 0.7rem 1.25rem;
  font-size: 0.75rem;
  line-height: 1.6;
  color: var(--green-100);
  background-color: rgba(185, 253, 168, 0.09);
  border-bottom: 1px solid rgba(207, 247, 205, 0.12);
}

/* ---- body --------------------------------------------------------------- */

.bk__body {
  flex: 1;
  overflow-y: auto;
  padding: 1.25rem;
  overscroll-behavior: contain;
}

.bk__step {
  display: none;
}

.bk__step.is-active {
  display: block;
}

.bk__label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--green-300);
  margin-bottom: var(--sp-3);
}

/* ---- day strip ---------------------------------------------------------- */

.bk__days {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding-bottom: 0.4rem;
  scrollbar-width: thin;
}

.bk__day {
  flex: none;
  display: grid;
  gap: 2px;
  padding: 0.6rem 0.85rem;
  border: 0;
  border-radius: var(--r-md);
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  color: var(--stone-400);
  background-color: rgba(255, 255, 255, 0.05);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
  transition: color var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
}

.bk__day:hover {
  color: var(--bone);
}

.bk__day.is-on {
  color: var(--ink-900);
  background-image: linear-gradient(170deg, #D2FFC6, var(--signal));
  box-shadow: inset 0 1px 0 0 rgba(255, 255, 255, 0.6);
}

.bk__day-name {
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.bk__day-date {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 500;
  white-space: nowrap;
}

/* ---- slots -------------------------------------------------------------- */

.bk__slots {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(88px, 1fr));
  gap: 0.5rem;
}

.bk__slot {
  padding: 0.7rem 0.5rem;
  border: 0;
  border-radius: var(--r-sm);
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  color: var(--stone-200);
  background-color: rgba(255, 255, 255, 0.05);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.1);
  transition:
    color var(--dur-fast) var(--ease-out),
    box-shadow var(--dur-fast) var(--ease-out),
    transform var(--dur-fast) var(--ease-out);
}

.bk__slot:hover {
  color: var(--signal);
  transform: translateY(-1px);
  box-shadow: inset 0 0 0 1px rgba(185, 253, 168, 0.55);
}

.bk__loading {
  grid-column: 1 / -1;
  font-size: var(--t-body-sm);
  line-height: 1.6;
  color: var(--text-muted);
}

/* ---- details ------------------------------------------------------------ */

.bk__back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0;
  margin-bottom: var(--sp-3);
  border: 0;
  background: none;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.75rem;
  color: var(--green-300);
}

.bk__back:hover {
  color: var(--signal);
}

.bk__chosen {
  padding: 0.75rem 0.9rem;
  margin-bottom: var(--sp-5);
  border-radius: var(--r-sm);
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--bone);
  background-color: rgba(185, 253, 168, 0.09);
  box-shadow: inset 0 0 0 1px rgba(185, 253, 168, 0.22);
}

.bk__form .field__label {
  font-size: 0.625rem;
}

/* ---- done --------------------------------------------------------------- */

.bk__done {
  text-align: center;
  padding: var(--sp-5) 0 var(--sp-4);
}

.bk__tick {
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  margin: 0 auto var(--sp-4);
  border-radius: 50%;
  color: var(--ink-900);
  background-image: linear-gradient(170deg, #D2FFC6, var(--signal));
  box-shadow: 0 14px 34px -12px rgba(185, 253, 168, 0.6);
}

.bk__done-msg {
  margin-top: var(--sp-3);
  font-size: var(--t-body-sm);
  line-height: 1.7;
  color: var(--text-muted);
  max-width: 44ch;
  margin-inline: auto;
}

.bk__done-when {
  margin-top: var(--sp-4);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  color: var(--green-100);
}

.bk__done #bk-done-links {
  margin-top: var(--sp-5);
}

@media (max-width: 560px) {
  .bk__modal {
    max-height: 94svh;
  }
  .bk__slots {
    grid-template-columns: repeat(auto-fill, minmax(76px, 1fr));
  }
}