/* ============================================================
   Vadia Barber — booking.css
   Booking wizard (pages/booking.html) + shared calendar (.cal)
   also used by the admin panel. Scoped: .bk-*, .cal*, .confirm*.
   Two-tone system; the only exception is --ok (green) which the
   spec explicitly requires for field confirmation microcopy.
   ============================================================ */

:root {
  --ok: #3E7A4E; /* validation confirmation green — spec-mandated exception */
}

.booking-main {
  padding: calc(var(--nav-h) + var(--space-5)) 0 var(--space-6);
  min-height: 100svh;
}

.bk-head { margin-bottom: var(--space-4); }

.bk-head h1 { font-size: clamp(2.2rem, 5.5vw, 3.6rem); }

.bk-head__sub {
  margin: var(--space-2) 0 0;
  color: var(--on-cream-muted);
  max-width: 34rem;
}

/* ---------- step indicator ---------- */

.bk-steps {
  scroll-margin-top: calc(var(--nav-h) + var(--space-2)); /* step transitions scroll here; keep it clear of the fixed nav */
  display: flex;
  align-items: center;
  gap: var(--space-2);
  list-style: none;
  margin: var(--space-4) 0 var(--space-5);
  padding: 0;
}

.bk-step {
  display: flex;
  align-items: baseline;
  gap: 0.55rem;
  opacity: 0.32;
  transition: opacity var(--dur) var(--ease-out);
}

.bk-step.is-active,
.bk-step.is-done { opacity: 1; }

.bk-step.is-done { cursor: pointer; }

.bk-step__label {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.bk-steps__line {
  flex: 1;
  height: 1px;
  background: var(--line-on-cream);
  min-width: 0.75rem;
}

/* ---------- wizard shell ---------- */

.wizard { position: relative; }

.wizard__panel { display: none; }

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

.bk-back {
  padding: 0.6rem 1.1rem;
  font-size: 0.7rem;
  margin-bottom: var(--space-3);
}

/* running recap of what's chosen so far */
.bk-recap {
  border: 1px solid var(--line-on-cream);
  border-left: 3px solid var(--dark);
  padding: 0.8rem var(--space-2);
  margin-bottom: var(--space-4);
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: 0.04em;
}

.bk-recap:empty { display: none; }

/* ---------- step 1: category tabs + service cards ---------- */

.bk-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.bk-tab {
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid var(--line-on-cream);
  color: var(--dark);
  padding: 0.7rem 1.4rem;
  transition: background var(--dur) var(--ease-out), color var(--dur) var(--ease-out), transform var(--dur) var(--ease-out);
}

.bk-tab:hover { transform: translateY(-2px); }

.bk-tab.is-active {
  background: var(--dark);
  color: var(--cream);
  border-color: var(--dark);
}

.bk-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
}

.bk-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.35rem;
  text-align: left;
  border: 1px solid var(--line-on-cream);
  padding: var(--space-3);
  cursor: pointer;
  transition: transform var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out);
  will-change: transform;
}

.bk-card:hover {
  transform: translateY(-3px);
  border-color: var(--dark);
  box-shadow: 0 12px 28px rgba(21, 21, 21, 0.1);
}

/* premium selected state: double border inset + lift + heavier name,
   corner check mark — no color swap, pure two-tone treatment */
.bk-card.is-selected {
  border-color: var(--dark);
  box-shadow: inset 0 0 0 2px var(--dark), 0 14px 30px rgba(21, 21, 21, 0.14);
  transform: translateY(-3px) scale(1.015);
}

.bk-card.is-selected .bk-card__name { font-weight: 600; }

.bk-card__check {
  position: absolute;
  top: 0;
  right: 0;
  width: 1.9rem;
  height: 1.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--dark);
  color: var(--cream);
  font-size: 1rem;
  opacity: 0;
  transform: scale(0.4);
  transition: opacity var(--dur) var(--ease-out), transform 420ms cubic-bezier(0.34, 1.4, 0.44, 1);
}

.bk-card.is-selected .bk-card__check { opacity: 1; transform: scale(1); }

.bk-card__name {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.3rem;
  letter-spacing: 0.03em;
  line-height: 1.2;
}

.bk-card__dur {
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--on-cream-muted);
}

.bk-card__price {
  margin-top: 0.4rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-variant-numeric: tabular-nums;
}

.bk-continue {
  justify-content: center;
  width: 100%;
  margin-top: var(--space-4);
}

.bk-continue[disabled] {
  opacity: 0.35;
  pointer-events: none;
}

@media (min-width: 768px) {
  .bk-continue { width: auto; min-width: 14rem; }
}

/* ---------- step 2: calendar + slots ---------- */

.bk-step2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  align-items: start;
}

.cal {
  border: 1px solid var(--line-on-cream);
  padding: var(--space-3);
}

.cal__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.cal__title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.cal__nav {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.4rem;
  height: 2.4rem;
  border: 1px solid var(--line-on-cream);
  font-size: 1rem;
  transition: background var(--dur) var(--ease-out), color var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out);
}

.cal__nav:hover { background: var(--dark); color: var(--cream); border-color: var(--dark); }

.cal__nav[disabled] { opacity: 0.25; pointer-events: none; }

.cal__viewport { overflow: hidden; }

.cal__grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
}

.cal__wd {
  text-align: center;
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--on-cream-muted);
  padding: 0.4rem 0;
}

.cal__day {
  position: relative;
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  font-variant-numeric: tabular-nums;
  cursor: pointer;
  transition: box-shadow 180ms var(--ease-out), background 180ms var(--ease-out), color 180ms var(--ease-out);
  will-change: transform;
}

.cal__day:hover:not(.is-disabled):not(.is-selected) {
  box-shadow: inset 0 0 0 1px var(--dark);
}

.cal__day.is-disabled {
  opacity: 0.28;
  cursor: default;
  pointer-events: none;
}

.cal__day--empty { visibility: hidden; pointer-events: none; }

/* dot = this day has free slots */
.cal__day.has-free::after {
  content: "";
  position: absolute;
  bottom: 14%;
  left: 50%;
  width: 4px;
  height: 4px;
  margin-left: -2px;
  background: currentColor;
}

.cal__day.is-selected {
  background: var(--dark);
  color: var(--cream);
}

.cal__hint {
  margin: var(--space-2) 0 0;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--on-cream-muted);
}

/* slots column */
.slots__title { margin-bottom: var(--space-2); color: var(--on-cream-muted); }

.slots__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(88px, 1fr));
  gap: var(--space-1);
}

.slot {
  border: 1px solid var(--line-on-cream);
  padding: 0.75rem 0.4rem;
  text-align: center;
  font-size: 0.92rem;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: background var(--dur) var(--ease-out), color var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out), transform var(--dur) var(--ease-out);
  will-change: transform;
}

.slot:hover { border-color: var(--dark); transform: translateY(-2px); }

.slot.is-selected {
  background: var(--dark);
  color: var(--cream);
  border-color: var(--dark);
}

.slots__empty {
  margin: 0;
  color: var(--on-cream-muted);
  font-size: 0.9rem;
}

/* ---------- step 3: contact form ---------- */

.bk-form {
  max-width: 560px;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.bk-field { display: flex; flex-direction: column; gap: 0.5rem; }

.bk-field label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--on-cream-muted);
}

.bk-field label .bk-opt {
  font-weight: 400;
  letter-spacing: 0.1em;
  opacity: 0.7;
}

.bk-field input,
.bk-field textarea {
  font: inherit;
  color: var(--dark);
  background: transparent;
  border: 1px solid var(--line-on-cream);
  border-radius: 0;
  padding: 0.9rem 1rem;
  transition: border-color var(--dur) var(--ease-out);
}

.bk-field input:focus,
.bk-field textarea:focus {
  outline: none;
  border-color: var(--dark);
}

.bk-field textarea { min-height: 120px; resize: vertical; }

/* green per-field confirmation line (GSAP reveals it) */
.bk-ok {
  display: none;
  overflow: hidden;
  margin: 0;
  font-size: 0.8rem;
  letter-spacing: 0.03em;
  color: var(--ok);
}

.bk-submit {
  justify-content: center;
  width: 100%;
  margin-top: var(--space-1);
}

.bk-submit[disabled] {
  opacity: 0.35;
  pointer-events: none;
}

/* ---------- confirmation ---------- */

.confirm {
  max-width: 560px;
  margin: 0 auto;
  padding: var(--space-5) 0;
  text-align: center;
}

.confirm__mark {
  width: 88px;
  height: 88px;
  margin: 0 auto var(--space-4);
  color: var(--dark);
  display: block;
}

.confirm h2 { font-size: clamp(1.8rem, 5vw, 2.8rem); }

.confirm__summary {
  margin: var(--space-3) 0 0;
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: 0.04em;
}

.confirm__sub {
  margin: var(--space-2) 0 var(--space-4);
  color: var(--on-cream-muted);
  font-size: 0.95rem;
}

/* ---------- breakpoints ---------- */

@media (min-width: 768px) {
  .bk-grid { grid-template-columns: repeat(2, 1fr); }

  .bk-step2 { grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); }

  .bk-steps { gap: var(--space-3); }
  .bk-steps__line { min-width: 2rem; }
}

@media (min-width: 1200px) {
  .bk-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
  .bk-card, .slot, .cal__day { transition-duration: 0.01ms; }
}