/* ============================================================
   FIRERAIN BOOKING POPUP — "Book a 20-minute call"
   Self-contained: drop booking.css + booking.js + the #bk-modal
   markup into any firerain.ai page. Picks up the page's Firerain
   tokens when present (--paper, --ink, --ember …) and falls back
   to the forest defaults otherwise. Front end for /api/booking/*.
   ============================================================ */

.bk-modal {
  --bk-paper:      var(--paper, #f5f7f2);
  --bk-card:       var(--paper-wash, #ffffff);
  --bk-field:      var(--paper-deep, #dee5d4);
  --bk-edge:       var(--paper-edge, rgba(90, 120, 80, 0.18));
  --bk-ink:        var(--ink, #1a2520);
  --bk-ink-soft:   var(--ink-soft, #3d4f45);
  --bk-ink-mute:   var(--ink-mute, #6f8077);
  --bk-ember:      var(--ember, #f26419);
  --bk-ember-deep: var(--ember-deep, #c24a0d);
  --bk-navy:       var(--brand-navy, #0b2f5c);
  --bk-bar-start:  var(--sidebar-bg-start, #2d4a38);
  --bk-bar-end:    var(--sidebar-bg-end, #3d6249);
  --bk-bar-edge:   var(--sidebar-border, rgba(255,255,255,0.10));
  --bk-link:       var(--link, #3d6249);
  --bk-display:    var(--display, "Poppins", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif);
  --bk-sans:       var(--sans, "Poppins", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif);
  --bk-utility:    var(--utility, "Roboto", -apple-system, "Segoe UI", sans-serif);

  position: fixed;
  inset: 0;
  z-index: 9500;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(10, 20, 15, 0.55);
  backdrop-filter: blur(2px);
  font-family: var(--bk-sans);
  color: var(--bk-ink);
}
.bk-modal[hidden] { display: none; }
.bk-modal *, .bk-modal *::before, .bk-modal *::after { box-sizing: border-box; }

/* Lock page scroll while open (position:fixed keeps the offset; JS restores it). */
body.bk-scroll-lock { position: fixed; width: 100%; overflow: hidden; }

.bk-modal__panel {
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: 760px;
  max-height: calc(100vh - 48px);
  max-height: calc(100dvh - 48px);
  background: var(--bk-paper);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.28);
}
.bk-modal__bar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
  height: 56px;
  padding: 0 16px 0 20px;
  background: linear-gradient(160deg, var(--bk-bar-start) 0%, var(--bk-bar-end) 100%);
}
.bk-modal__logo { height: 24px; width: auto; display: block; }
.bk-modal__title {
  font-family: var(--bk-display);
  font-size: 16px;
  font-weight: 500;
  color: #ffffff;
}
.bk-modal__close {
  margin-left: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  padding: 0;
  font-size: 24px;
  line-height: 1;
  color: rgba(255,255,255,0.85);
  background: rgba(255,255,255,0.08);
  border: 1px solid var(--bk-bar-edge);
  border-radius: 8px;
  cursor: pointer;
  transition: background .15s ease, color .15s ease;
}
.bk-modal__close:hover { background: rgba(255,255,255,0.18); color: #ffffff; }
.bk-modal__body { overflow-y: auto; padding: 28px 32px 32px; }
.bk-modal__body p { max-width: none; }

.bk-intro { margin: 0 0 6px; font-size: 17px; line-height: 1.5; color: var(--bk-ink); }
.bk-tz {
  margin: 0 0 22px;
  font-family: var(--bk-utility);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--bk-ink-mute);
}
.bk-status { margin: 8px 0 0; font-size: 15px; color: var(--bk-ink-soft); }

/* --- Step 1: day list + time grid --- */
.bk-picker { display: grid; grid-template-columns: 200px 1fr; gap: 24px; min-height: 280px; }
.bk-days {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 340px;
  overflow-y: auto;
  padding-right: 4px;
}
.bk-day {
  display: grid;
  grid-template-columns: 44px 1fr;
  grid-template-rows: auto auto;
  column-gap: 10px;
  align-items: baseline;
  padding: 10px 14px;
  text-align: left;
  background: var(--bk-card);
  border: 1px solid var(--bk-edge);
  border-radius: 10px;
  cursor: pointer;
  font-family: var(--bk-sans);
  color: var(--bk-ink);
  transition: border-color .15s ease, background .15s ease;
}
.bk-day:hover { border-color: var(--bk-ember); }
.bk-day.is-active { background: var(--bk-bar-start); border-color: var(--bk-bar-start); color: #ffffff; }
.bk-day__dow {
  grid-row: 1 / 3;
  align-self: center;
  font-family: var(--bk-utility);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.bk-day__date { font-size: 15px; font-weight: 500; }
.bk-day__count { font-family: var(--bk-utility); font-size: 11px; color: var(--bk-ink-mute); }
.bk-day.is-active .bk-day__count { color: rgba(255,255,255,0.7); }

.bk-slots {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(112px, 1fr));
  gap: 10px;
  align-content: start;
}
.bk-slots__head {
  grid-column: 1 / -1;
  margin: 0 0 4px;
  font-family: var(--bk-display);
  font-size: 18px;
  font-weight: 500;
  color: var(--bk-ink);
}
.bk-slot {
  padding: 13px 10px;
  font-family: var(--bk-sans);
  font-size: 15px;
  font-weight: 500;
  color: var(--bk-ink);
  background: var(--bk-card);
  border: 1px solid var(--bk-edge);
  border-radius: 999px;
  cursor: pointer;
  transition: border-color .15s ease, background .15s ease, color .15s ease;
}
.bk-slot:hover, .bk-slot:focus-visible {
  background: var(--bk-ember);
  border-color: var(--bk-ember);
  color: var(--bk-navy);
  outline: none;
}

/* --- Step 2: chosen time + details form --- */
.bk-chosen {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  background: var(--bk-card);
  border: 1px solid var(--bk-edge);
  border-left: 3px solid var(--bk-ember);
  border-radius: 10px;
}
.bk-chosen__when { margin: 0; font-family: var(--bk-display); font-size: 18px; font-weight: 500; color: var(--bk-ink); }
.bk-chosen__tz { margin: 4px 0 0; font-family: var(--bk-utility); font-size: 12px; color: var(--bk-ink-mute); }
.bk-link {
  margin-top: 4px;
  padding: 0;
  font: inherit;
  font-size: 14px;
  color: var(--bk-link);
  background: none;
  border: none;
  text-decoration: underline;
  text-underline-offset: 3px;
  white-space: nowrap;
  cursor: pointer;
}
.bk-link:hover { color: var(--bk-ember-deep); }

.bk-form {
  margin-top: 22px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.bk-form .full { grid-column: 1 / -1; }
.bk-form label {
  display: block;
  margin-bottom: 8px;
  font-family: var(--bk-utility);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--bk-ink-mute);
}
.bk-form input, .bk-form textarea {
  width: 100%;
  padding: 14px 16px;
  font-family: var(--bk-sans);
  font-size: 15px;
  color: var(--bk-ink);
  background: var(--bk-field);
  border: 1px solid var(--bk-edge);
  border-radius: 2px;
  transition: border-color .15s ease;
}
.bk-form input:focus, .bk-form textarea:focus { outline: none; border-color: var(--bk-ember); }
.bk-form textarea { min-height: 84px; resize: vertical; }
.bk-hint { text-transform: none; letter-spacing: 0; }
.bk-turnstile:empty { display: none; }
.bk-form__error {
  margin: 0;
  padding: 12px 14px;
  border-radius: 6px;
  font-size: 14px;
  background: rgba(239, 68, 68, 0.10);
  border: 1px solid rgba(239, 68, 68, 0.35);
  color: #dc2626;
}

.bk-btn {
  display: inline-block;
  padding: 16px 26px;
  font-family: var(--bk-sans);
  font-size: 15px;
  font-weight: 500;
  color: var(--bk-navy);
  background: var(--bk-ember);
  border: none;
  border-radius: 999px;
  cursor: pointer;
  transition: background .15s ease, transform .15s ease;
}
.bk-btn:hover { background: var(--bk-ember-deep); transform: translateY(-1px); }
.bk-btn[disabled] { opacity: 0.6; cursor: progress; transform: none; }

/* --- Step 3: confirmation --- */
.bk-done { text-align: center; padding: 24px 0 8px; }
.bk-done__tick {
  width: 56px;
  height: 56px;
  margin: 0 auto 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: #ffffff;
  background: var(--bk-bar-end);
  border-radius: 50%;
}
.bk-done h3 { margin: 0 0 8px; font-family: var(--bk-display); font-size: 24px; font-weight: 600; color: var(--bk-ink); }
.bk-done p { margin: 0 auto 10px; max-width: 46ch; color: var(--bk-ink-soft); }
.bk-done .bk-done__when { font-weight: 500; color: var(--bk-ink); }
.bk-done__close { margin-top: 14px; }

@media (max-width: 640px) {
  .bk-modal { padding: 0; align-items: stretch; }
  .bk-modal__panel { max-width: none; max-height: none; height: 100%; border-radius: 0; }
  .bk-modal__body { padding: 20px 16px 28px; }
  .bk-picker { grid-template-columns: 1fr; gap: 16px; min-height: 0; }
  .bk-days {
    flex-direction: row;
    max-height: none;
    overflow-x: auto;
    overflow-y: hidden;
    padding: 0 0 6px;
    scroll-snap-type: x proximity;
  }
  .bk-day {
    flex: 0 0 auto;
    grid-template-columns: auto;
    grid-template-rows: auto;
    row-gap: 2px;
    text-align: center;
    scroll-snap-align: start;
  }
  .bk-day__dow { grid-row: auto; }
  .bk-chosen { flex-direction: column; gap: 8px; }
  .bk-form { grid-template-columns: 1fr; }
}