/* ============================================================
   Mobile Sauna Therapy — Booking page (Phase 1)
   Reuses tokens from styles.css (:root vars)
   ============================================================ */

/* Solid nav on the booking page (no dark hero behind it) */
.nav--solid { background: var(--navy); box-shadow: 0 1px 0 rgba(0,0,0,.15); }
.nav--solid .nav__links a { color: var(--cream); }
.nav--solid .nav__toggle { border-color: rgba(247,240,227,.45); color: var(--cream); }
@media (max-width: 900px) {
  .nav--solid .nav__links a { color: var(--navy) !important; }
}

/* ---------- Page head ---------- */
.bookhead {
  max-width: var(--max); margin: 0 auto;
  padding: clamp(6rem, 14vh, 9rem) clamp(1.2rem, 4vw, 3rem) 1.5rem;
  text-align: center;
}
.bookhead h1 {
  font-family: var(--font-display); font-weight: 400;
  font-size: clamp(1.9rem, 7vw, 4rem); color: var(--navy);
  margin: .5rem 0 1rem; letter-spacing: -.02em;
}
.bookhead__lede { max-width: 52ch; margin: 0 auto; color: #4a4740; font-size: 1.05rem; }

/* ---------- Booking layout ---------- */
.booking {
  max-width: var(--max); margin: 0 auto;
  padding: 2rem clamp(1.2rem, 4vw, 3rem) clamp(4rem, 10vh, 7rem);
  display: grid; grid-template-columns: 1fr 380px; gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}
.booking__main { display: grid; gap: 2.5rem; }

/* ---------- Steps ---------- */
.bstep__head { display: flex; align-items: center; gap: .8rem; margin-bottom: 1.2rem; }
.bstep__num {
  flex: none; width: 2rem; height: 2rem; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--navy); color: var(--cream);
  font-family: var(--font-display); font-weight: 600; font-size: 1rem;
}
.bstep__head h2 { font-size: clamp(1.4rem, 3vw, 1.9rem); }

/* ---------- Plan picker ---------- */
.plan-picker { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.plan-opt {
  position: relative; text-align: left; cursor: pointer;
  background: var(--paper); border: 2px solid var(--cream-2);
  border-radius: var(--radius); padding: 1.4rem 1.3rem;
  display: flex; flex-direction: column; gap: .35rem;
  font-family: var(--font-body); transition: border-color .25s, transform .25s, box-shadow .25s;
}
.plan-opt:hover { transform: translateY(-3px); box-shadow: 0 14px 30px -20px rgba(18,58,83,.45); }
.plan-opt:focus-visible { outline: 3px solid var(--cedar); outline-offset: 2px; }
.plan-opt.is-selected { border-color: var(--cedar); box-shadow: 0 0 0 4px rgba(217,138,79,.18); }
.plan-opt__flag {
  position: absolute; top: -.7rem; right: .9rem;
  background: var(--cedar); color: var(--navy-deep);
  font-size: .64rem; font-weight: 700; text-transform: uppercase; letter-spacing: .1em;
  padding: .3rem .7rem; border-radius: 100px;
}
.plan-opt__name { font-family: var(--font-display); font-weight: 600; font-size: 1.15rem; color: var(--navy); }
.plan-opt__desc { font-size: .85rem; color: #6a655c; line-height: 1.35; }
.plan-opt__price {
  margin-top: .3rem; font-family: var(--font-display); font-weight: 600;
  font-size: 1.7rem; color: var(--navy);
}
.plan-opt__price small { font-family: var(--font-body); font-size: .8rem; font-weight: 500; color: #6a655c; margin-left: .15rem; }
.plan-opt__price--sm { font-size: 1.15rem; font-style: italic; }

/* ---------- Calendar ---------- */
.calendar {
  background: var(--paper); border: 1px solid var(--cream-2);
  border-radius: var(--radius); padding: 1.4rem;
  box-shadow: 0 12px 30px -24px rgba(18,58,83,.4);
  max-width: 460px;
}
.calendar__bar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1rem; }
.calendar__hint { text-align: center; font-size: .85rem; color: var(--cedar-dk); margin: -.4rem 0 .8rem; min-height: 1.1em; }
.calendar__month { font-family: var(--font-display); font-weight: 600; font-size: 1.2rem; color: var(--navy); }
.calendar__nav {
  width: 2.2rem; height: 2.2rem; border-radius: 50%;
  border: 1px solid var(--cream-2); background: #fff; color: var(--navy);
  font-size: 1.3rem; line-height: 1; cursor: pointer; transition: background .2s, border-color .2s, opacity .2s;
}
.calendar__nav:hover:not(:disabled) { background: var(--cream-2); border-color: var(--cedar); }
.calendar__nav:focus-visible { outline: 3px solid var(--cedar); outline-offset: 2px; }
.calendar__nav:disabled { opacity: .3; cursor: not-allowed; }
.calendar__dow {
  display: grid; grid-template-columns: repeat(7, 1fr); gap: .3rem;
  font-size: .72rem; font-weight: 600; text-transform: uppercase; letter-spacing: .05em;
  color: #8a8478; text-align: center; margin-bottom: .5rem;
}
.calendar__grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: .3rem; }
.cal-cell {
  aspect-ratio: 1; border: none; background: transparent; border-radius: 10px;
  font-family: var(--font-body); font-size: .95rem; color: var(--ink);
  cursor: pointer; transition: background .18s, color .18s, transform .18s;
}
.cal-cell.is-empty { visibility: hidden; }
.cal-cell.is-open:hover { background: var(--cream-2); transform: translateY(-1px); }
.cal-cell.is-open:focus-visible { outline: 3px solid var(--cedar); outline-offset: 2px; }
.cal-cell.is-off { color: #8a8478; cursor: not-allowed; text-decoration: line-through; }
.cal-cell.is-selected { background: var(--cedar); color: #fff; font-weight: 700; }
.cal-cell.is-selected:focus-visible { outline: 3px solid var(--navy); outline-offset: 2px; }
.cal-cell.is-span { background: rgba(217,138,79,.28); color: var(--navy); font-weight: 600; cursor: default; }
.cal-cell.is-today { box-shadow: inset 0 0 0 1.5px var(--water); }
.calendar__legend {
  display: flex; align-items: center; gap: .4rem; flex-wrap: wrap;
  margin-top: 1rem; font-size: .78rem; color: #6a655c;
}
.calendar__legend .dot { width: .7rem; height: .7rem; border-radius: 50%; display: inline-block; margin-left: .6rem; }
.calendar__legend .dot:first-child { margin-left: 0; }
.dot--open { background: var(--cream-2); box-shadow: inset 0 0 0 1px #c4bdae; }
.dot--sel { background: var(--cedar); }
.dot--off { background: #e6ddcc; }

/* ---------- Booking form (light) ---------- */
.bform { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; max-width: 620px; }
.bfield { display: flex; flex-direction: column; gap: .4rem; }
.bfield--wide { grid-column: 1 / -1; }
.bfield label { font-size: .78rem; font-weight: 600; letter-spacing: .04em; color: var(--navy); text-transform: uppercase; }
.bfield input, .bfield select, .bfield textarea {
  background: #fff; border: 1px solid var(--cream-2);
  border-radius: 10px; padding: .8rem .9rem; color: var(--ink);
  font-family: var(--font-body); font-size: 1rem; transition: border-color .25s, box-shadow .25s;
}
.bfield input:focus, .bfield select:focus, .bfield textarea:focus {
  outline: none; border-color: var(--cedar); box-shadow: 0 0 0 3px rgba(217,138,79,.15);
}
.bfield input:focus-visible, .bfield select:focus-visible, .bfield textarea:focus-visible {
  outline: 3px solid var(--cedar); outline-offset: 2px;
}
.bfield input.invalid { border-color: var(--ember); box-shadow: 0 0 0 3px rgba(226,118,47,.15); }
.bfield textarea { resize: vertical; }
.delivery-hint { font-size: .8rem; margin-top: .1rem; color: #8a8478; }
.delivery-note { font-size: .85rem; margin-top: .15rem; min-height: 1em; color: #6a655c; }
.delivery-note a { color: var(--cedar-dk); font-weight: 600; }
.delivery-note--ok { color: var(--sage); }
.delivery-note--bad { color: var(--ember); }
.bfield--check { flex-direction: row; }
.check { display: flex; align-items: center; gap: .6rem; cursor: pointer; font-size: .95rem; color: #4a4740; text-transform: none; letter-spacing: 0; }
.check input { width: 1.15rem; height: 1.15rem; accent-color: var(--cedar); }
.check strong { color: var(--cedar-dk); }

/* ---------- Summary (sticky) ---------- */
.summary {
  position: sticky; top: 90px;
  background: linear-gradient(180deg, #163f59, #0e2f43);
  color: var(--cream); border-radius: var(--radius);
  padding: 1.8rem 1.6rem; box-shadow: var(--shadow);
}
.summary__title { color: var(--cream); font-size: 1.4rem; margin-bottom: 1.2rem; }
.summary__rows { display: grid; gap: .2rem; margin-bottom: 1.2rem; }
.summary__row { display: flex; justify-content: space-between; gap: 1rem; padding: .6rem 0; border-bottom: 1px solid rgba(247,240,227,.14); }
.summary__row dt { color: rgba(247,240,227,.7); font-size: .9rem; }
.summary__row dd { color: var(--cream); font-weight: 600; text-align: right; }
.summary__total {
  display: flex; justify-content: space-between; align-items: baseline;
  font-family: var(--font-display); margin: .4rem 0 .3rem;
}
.summary__total span:first-child { font-size: 1.1rem; color: rgba(247,240,227,.85); }
.summary__total span:last-child { font-size: 2.2rem; font-weight: 600; color: var(--cream); }
.summary__note { font-size: .8rem; color: rgba(247,240,227,.6); margin-bottom: 1.4rem; }
.pay-status { text-align: center; font-size: .85rem; color: rgba(247,240,227,.8); margin-bottom: .8rem; }
.legal-agree { margin-top: .75rem; line-height: 1.45; }
.legal-agree a { color: #f0c49a; text-decoration: underline; text-underline-offset: 2px; }
.paypal-hint { text-align: center; font-size: .78rem; color: rgba(247,240,227,.55); margin-top: .7rem; }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none; box-shadow: none; }
.quote-box p { font-size: .92rem; color: rgba(247,240,227,.8); margin-bottom: 1rem; }

/* ---------- Waiver modal ---------- */
.waiver {
  position: fixed; inset: 0; z-index: 1000;
  background: rgba(12,40,54,.78); backdrop-filter: blur(4px);
  display: grid; place-items: center; padding: 1rem; overflow-y: auto;
}
.waiver[hidden] { display: none; }
.waiver__box {
  background: var(--paper); border-radius: var(--radius);
  max-width: 640px; width: 100%; max-height: 92vh; overflow-y: auto;
  padding: clamp(1.4rem, 4vw, 2.4rem); box-shadow: var(--shadow);
}
.waiver__title { font-size: clamp(1.4rem, 4vw, 2rem); margin-bottom: .5rem; }
.waiver__intro { color: #4a4740; font-size: .95rem; margin-bottom: 1.1rem; }
.waiver__doc {
  background: #fff; border: 1px solid var(--cream-2); border-radius: 12px;
  padding: 1rem 1.2rem; max-height: 240px; overflow-y: auto;
  font-size: .85rem; color: #4a4740; line-height: 1.5;
}
.waiver__doc h4 { color: var(--navy); margin: .9rem 0 .2rem; font-size: .92rem; }
.waiver__doc h4:first-child { margin-top: 0; }
.waiver__banner { background: #fbeede; border: 1px solid var(--cedar); border-radius: 8px; padding: .55rem .7rem; margin-bottom: .8rem; font-weight: 700; font-size: .78rem; color: var(--navy); text-transform: uppercase; letter-spacing: .02em; }
.waiver__acks { display: grid; gap: .7rem; margin: 1.2rem 0; }
.waiver__ack { display: flex; gap: .6rem; align-items: flex-start; font-size: .9rem; color: #3a3630; cursor: pointer; }
.waiver__ack input { margin-top: .15rem; width: 1.15rem; height: 1.15rem; accent-color: var(--cedar); flex: none; }
.waiver__sign { display: grid; grid-template-columns: 2fr 1fr; gap: 1rem; margin-bottom: 1rem; }
.waiver__sign label { display: block; font-size: .76rem; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; color: var(--navy); margin-bottom: .3rem; }
.waiver__sign input { width: 100%; background: #fff; border: 1px solid var(--cream-2); border-radius: 10px; padding: .7rem .8rem; font-family: var(--font-body); font-size: 1rem; }
#waiverName { font-family: var(--font-display); font-style: italic; font-size: 1.15rem; }
.waiver__status { min-height: 1.1em; font-size: .88rem; color: var(--ember); text-align: center; margin-bottom: .5rem; }
.waiver__req { text-align: center; font-size: .8rem; color: #8a8478; margin-top: .8rem; }
@media (max-width: 480px) { .waiver__sign { grid-template-columns: 1fr; } }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .booking { grid-template-columns: 1fr; }
  .plan-picker { grid-template-columns: 1fr; }
  .summary { position: static; }
}
@media (max-width: 560px) {
  .bform { grid-template-columns: 1fr; }
}