/* ==========================================================================
   ALTA TAILORS — Booking (multi-step appointment request) + floating dock
   Opens from any [data-book] link, or directly via index.html#book
   ========================================================================== */

/* ---------- Floating dock: Book + WhatsApp ---------- */
.dock {
  position: fixed; right: clamp(1rem, 2.5vw, 2rem); bottom: clamp(1rem, 2.5vw, 2rem); z-index: 70;
  display: flex; align-items: center; gap: .5rem;
  padding: .4rem; border-radius: 999px;
  background: rgba(18, 28, 39, .88);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 18px 44px -18px rgba(0,0,0,.6), inset 0 0 0 1px var(--line-dark);
  transition: opacity var(--dur) var(--ease-out), transform var(--dur) var(--ease-out);
}
.dock.is-waiting { opacity: 0; transform: translateY(24px); pointer-events: none; }
.booking-open .dock { opacity: 0; pointer-events: none; }
.dock__book {
  display: inline-flex; align-items: center; gap: .6rem; height: 48px; padding: 0 1.3rem;
  border-radius: 999px; background: var(--gold); color: var(--navy-deep);
  font-size: var(--fs-label); font-weight: 600; letter-spacing: .16em; text-transform: uppercase;
  transition: background-color var(--dur-fast);
}
.dock__book:hover { background: var(--gold-light); }
.dock__wa {
  width: 48px; height: 48px; border-radius: 50%; display: grid; place-items: center;
  color: var(--ivory); box-shadow: inset 0 0 0 1px var(--line-dark);
  transition: background-color var(--dur-fast), color var(--dur-fast);
}
.dock__wa:hover { background: var(--ivory); color: var(--navy-deep); }
.dock__wa svg { width: 22px; height: 22px; }
@media (max-width: 480px) {
  .dock { left: 1rem; right: 1rem; justify-content: space-between; }
  .dock__book { flex: 1; justify-content: center; }
}

/* ---------- Overlay shell ---------- */
.booking { position: fixed; inset: 0; z-index: 200; visibility: hidden; }
.booking.is-open { visibility: visible; }
.booking__backdrop { position: absolute; inset: 0; background: rgba(10, 15, 21, .72); opacity: 0; }
.booking__panel {
  position: absolute; inset: 0 0 0 auto; width: min(1180px, 100%);
  display: grid; grid-template-columns: minmax(280px, 0.8fr) 1.6fr;
  background: var(--ivory); color: var(--ink);
  box-shadow: -40px 0 80px -40px rgba(0,0,0,.6);
}

/* ---------- Left rail ---------- */
.booking__aside {
  position: relative; display: flex; flex-direction: column; justify-content: space-between; gap: 2rem;
  padding: clamp(1.5rem, 3.5vw, 3rem); overflow: hidden;
}
.booking__aside::before { /* faint woven texture */
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .5;
  background: repeating-linear-gradient(45deg, rgba(255,255,255,.025) 0 2px, transparent 2px 6px);
}
.booking__aside > * { position: relative; }
.booking__emblem { width: 56px; border-radius: 50%; }
.booking__title { font-size: clamp(2rem, 3.2vw, 3rem); margin-top: 1.2rem; }
.booking__title em { color: var(--gold-light); }
.bk-steps { list-style: none; padding: 0; margin: 2rem 0 0; counter-reset: s; }
.bk-steps li {
  display: grid; grid-template-columns: 2.2rem 1fr; align-items: baseline; gap: .6rem;
  padding: .85rem 0; border-top: 1px solid var(--line-dark); color: var(--mist);
  font-size: var(--fs-small); transition: color var(--dur-fast);
}
.bk-steps li .numeral { font-size: 1.3rem; opacity: .45; transition: opacity var(--dur-fast); }
.bk-steps li.is-active { color: var(--ivory); }
.bk-steps li.is-active .numeral, .bk-steps li.is-done .numeral { opacity: 1; }
.bk-steps li.is-done { color: var(--ivory); }
.bk-steps li.is-done::after { content: "✓"; grid-column: 2; justify-self: end; margin-top: -1.35rem; color: var(--gold); }
.booking__aside-foot { font-size: var(--fs-small); color: var(--mist); }
.booking__aside-foot a { color: var(--gold-light); border-bottom: 1px solid currentColor; }

/* ---------- Main column ---------- */
.booking__main { display: flex; flex-direction: column; min-height: 0; }
.booking__top {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 1.2rem clamp(1.5rem, 4vw, 3.5rem); border-bottom: 1px solid var(--line-light);
}
.booking__count { color: var(--gold-ink); }
.booking__close {
  width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center;
  box-shadow: inset 0 0 0 1px var(--line-light); transition: background-color var(--dur-fast), color var(--dur-fast);
}
.booking__close:hover { background: var(--navy); color: var(--ivory); }
.booking__progress { height: 2px; background: var(--line-light); }
.booking__progress i { display: block; height: 100%; background: var(--gold); transform-origin: 0 50%; transform: scaleX(.2); transition: transform var(--dur) var(--ease-out); }

.booking__body { flex: 1; overflow-y: auto; overscroll-behavior: contain; padding: clamp(1.8rem, 4vw, 3.5rem); }
.booking__form { max-width: 720px; }

.bk-step { border: 0; margin: 0; padding: 0; min-width: 0; }
.bk-step[hidden] { display: none; }
.bk-step legend { padding: 0; }
.bk-step__title { font-size: clamp(1.9rem, 3vw, 2.8rem); }
.bk-step__intro { color: var(--stone); margin-top: .6rem; max-width: 52ch; }
.bk-group { margin-top: 2rem; }
.bk-group > .label { color: var(--gold-ink); display: block; margin-bottom: .9rem; }

/* Choice cards (radio) */
.bk-cards { display: grid; grid-template-columns: 1fr 1fr; gap: .8rem; margin-top: 2rem; }
.bk-card { position: relative; display: block; cursor: pointer; }
.bk-card input { position: absolute; opacity: 0; pointer-events: none; }
.bk-card__box {
  display: flex; flex-direction: column; gap: .4rem; height: 100%;
  padding: 1.3rem 1.3rem 1.4rem; border-radius: var(--radius);
  background: #fff; box-shadow: inset 0 0 0 1px var(--line-light);
  transition: box-shadow var(--dur-fast), background-color var(--dur-fast), transform var(--dur) var(--ease-out);
}
.bk-card:hover .bk-card__box { transform: translateY(-2px); box-shadow: inset 0 0 0 1px rgba(28,43,58,.35); }
.bk-card input:checked + .bk-card__box { background: var(--navy); color: var(--ivory); box-shadow: inset 0 0 0 1px var(--navy); }
.bk-card input:focus-visible + .bk-card__box { outline: 1px solid var(--gold); outline-offset: 3px; }
.bk-card__name { font-family: var(--font-display); font-size: 1.5rem; line-height: 1.15; }
.bk-card__desc { font-size: var(--fs-small); color: var(--stone); }
.bk-card input:checked + .bk-card__box .bk-card__desc { color: var(--mist); }
.bk-card__meta { margin-top: auto; padding-top: .6rem; font-size: .7rem; letter-spacing: .16em; text-transform: uppercase; color: var(--gold-ink); }
.bk-card input:checked + .bk-card__box .bk-card__meta { color: var(--gold); }

/* Chips (checkbox / segmented) */
.bk-chips { display: flex; flex-wrap: wrap; gap: .5rem; }
.bk-chip { position: relative; cursor: pointer; }
.bk-chip input { position: absolute; opacity: 0; pointer-events: none; }
.bk-chip span {
  display: inline-flex; align-items: center; gap: .45rem; height: 44px; padding: 0 1.1rem; border-radius: 999px;
  background: #fff; box-shadow: inset 0 0 0 1px var(--line-light); font-size: var(--fs-small);
  transition: background-color var(--dur-fast), color var(--dur-fast), box-shadow var(--dur-fast);
}
.bk-chip span::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--line-light); transition: background-color var(--dur-fast); }
.bk-chip:hover span { box-shadow: inset 0 0 0 1px rgba(28,43,58,.35); }
.bk-chip input:checked + span { background: var(--navy); color: var(--ivory); box-shadow: none; }
.bk-chip input:checked + span::before { background: var(--gold); }
.bk-chip input:focus-visible + span { outline: 1px solid var(--gold); outline-offset: 3px; }

/* Fields */
.bk-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 1.4rem 1.2rem; margin-top: 2rem; }
.bk-field { display: flex; flex-direction: column; gap: .45rem; }
.bk-field--full { grid-column: 1 / -1; }
.bk-field label { font-size: .78rem; font-weight: 500; letter-spacing: .04em; }
.bk-field label .opt { color: var(--stone); font-weight: 400; }
.bk-input {
  width: 100%; height: 52px; padding: 0 1rem; border: 0; border-radius: var(--radius);
  background: #fff; box-shadow: inset 0 0 0 1px var(--line-light);
  font-size: 1rem; transition: box-shadow var(--dur-fast);
}
textarea.bk-input { height: auto; min-height: 110px; padding: .9rem 1rem; resize: vertical; line-height: 1.5; }
.bk-input:focus { outline: none; box-shadow: inset 0 0 0 1.5px var(--navy); }
.bk-input[aria-invalid="true"] { box-shadow: inset 0 0 0 1.5px #a1452f; }
.bk-help { font-size: .78rem; color: var(--stone); }
.bk-error { font-size: .78rem; color: #a1452f; min-height: 0; }
.bk-check { display: flex; gap: .8rem; align-items: flex-start; font-size: var(--fs-small); color: var(--stone); cursor: pointer; }
.bk-check input { width: 18px; height: 18px; margin-top: .15rem; accent-color: var(--navy); flex: none; }
.bk-hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* Calendar + slots */
.bk-when { display: grid; grid-template-columns: 1.15fr 1fr; gap: 2rem; margin-top: 2rem; align-items: start; }
.cal { background: #fff; box-shadow: inset 0 0 0 1px var(--line-light); border-radius: var(--radius); padding: 1.1rem; }
.cal__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: .8rem; }
.cal__month { font-family: var(--font-display); font-size: 1.45rem; }
.cal__nav { display: flex; gap: .3rem; }
.cal__nav button { width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center; box-shadow: inset 0 0 0 1px var(--line-light); }
.cal__nav button:disabled { opacity: .3; cursor: default; }
.cal__grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 2px; text-align: center; }
.cal__dow { font-size: .66rem; letter-spacing: .14em; text-transform: uppercase; color: var(--stone); padding: .4rem 0; }
.cal__day {
  aspect-ratio: 1; border-radius: 50%; font-size: .9rem; display: grid; place-items: center;
  transition: background-color var(--dur-fast), color var(--dur-fast);
}
.cal__day:hover:not(:disabled) { background: var(--ivory-2); }
.cal__day:disabled { color: rgba(17,20,24,.22); cursor: default; }
.cal__day.is-today { box-shadow: inset 0 0 0 1px var(--gold); }
.cal__day[aria-pressed="true"] { background: var(--navy); color: var(--ivory); }
.slots { display: grid; grid-template-columns: repeat(3, 1fr); gap: .5rem; }
.slot {
  height: 46px; border-radius: var(--radius); background: #fff; box-shadow: inset 0 0 0 1px var(--line-light);
  font-size: var(--fs-small); transition: background-color var(--dur-fast), color var(--dur-fast);
}
.slot:hover:not(:disabled) { box-shadow: inset 0 0 0 1px rgba(28,43,58,.35); }
.slot[aria-pressed="true"] { background: var(--navy); color: var(--ivory); box-shadow: none; }
.slot:disabled { opacity: .35; cursor: default; }
.slots__empty { grid-column: 1 / -1; font-size: var(--fs-small); color: var(--stone); padding: .8rem 0; }

/* Review */
.bk-review { margin-top: 2rem; border-top: 1px solid var(--line-light); }
.bk-review__row { display: grid; grid-template-columns: 160px 1fr auto; gap: 1rem; padding: 1rem 0; border-bottom: 1px solid var(--line-light); align-items: baseline; }
.bk-review__row dt { font-size: .72rem; letter-spacing: .18em; text-transform: uppercase; color: var(--gold-ink); }
.bk-review__row dd { margin: 0; }
.bk-review__edit { font-size: .72rem; letter-spacing: .16em; text-transform: uppercase; border-bottom: 1px solid currentColor; }

/* Success */
.bk-done { text-align: left; }
.bk-done__seal { width: 84px; height: 84px; border-radius: 50%; display: grid; place-items: center; background: var(--navy); margin-bottom: 1.6rem; }
.bk-done__seal svg { width: 34px; height: 34px; }
.bk-done__seal path { stroke: var(--gold); stroke-width: 1.6; fill: none; stroke-dasharray: 40; stroke-dashoffset: 40; }
.bk-done.is-in .bk-done__seal path { transition: stroke-dashoffset 1s var(--ease-out) .3s; stroke-dashoffset: 0; }
.bk-done__actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2rem; }

/* Footer nav */
.booking__foot {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 1rem clamp(1.5rem, 4vw, 3.5rem); border-top: 1px solid var(--line-light); background: var(--ivory);
}
.booking__back { font-size: var(--fs-label); font-weight: 600; letter-spacing: .2em; text-transform: uppercase; padding: .8rem 0; }
.booking__back:disabled { opacity: 0; pointer-events: none; }
.booking__next[disabled] { opacity: .5; pointer-events: none; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .booking__panel { grid-template-columns: 1fr; width: 100%; }
  .booking__aside { display: none; }
  .bk-when { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .bk-cards, .bk-fields { grid-template-columns: 1fr; }
  .bk-review__row { grid-template-columns: 1fr auto; }
  .bk-review__row dt { grid-column: 1 / -1; }
  .booking__body { padding: 1.5rem 1rem 2rem; }
}

/* Continue button: sweep to navy (an ivory sweep would vanish on the ivory footer) */
.booking__next { --btn-sweep: var(--navy); }
.booking__next:hover { color: var(--ivory); }