/* ============================================================
   Air Indo — Booking flow (Travellers → Add-ons → Payment)
   Loaded from index.html; reuses :root brand variables.
   ============================================================ */

#booking-overlay {
  position: fixed;
  inset: 0;
  z-index: 4000;
  background: #eef2f7;
  display: none;
  flex-direction: column;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}
#booking-overlay.open { display: flex; }
body.booking-open { overflow: hidden; }

/* ── Top bar ── */
.bk-topbar {
  position: sticky;
  top: 0;
  z-index: 5;
  background: var(--blue-dark, #0b2a4a);
  color: #fff;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 20px;
  box-shadow: 0 2px 10px rgba(0,0,0,.15);
}
.bk-back {
  background: rgba(255,255,255,.12);
  border: none;
  color: #fff;
  width: 36px; height: 36px;
  border-radius: 9px;
  cursor: pointer;
  font-size: 15px;
  flex-shrink: 0;
  transition: background .15s;
}
.bk-back:hover { background: rgba(255,255,255,.24); }
.bk-topbar-route { font-weight: 800; font-size: 15px; letter-spacing: .2px; }
.bk-topbar-sub { font-size: 12px; opacity: .8; margin-top: 1px; }
.bk-timer {
  margin-left: auto;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.18);
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 12.5px;
  font-weight: 700;
  white-space: nowrap;
}
.bk-timer.warn { background: rgba(255,90,60,.22); border-color: rgba(255,120,90,.4); }
.bk-timer i { margin-right: 5px; opacity: .8; }

/* ── Step indicator ── */
.bk-steps {
  display: flex;
  gap: 8px;
  justify-content: center;
  align-items: center;
  background: #fff;
  padding: 14px 20px;
  border-bottom: 1px solid #e4e9f0;
  flex-wrap: wrap;
}
.bk-step {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: #9aa7b5;
}
.bk-step-num {
  width: 24px; height: 24px;
  border-radius: 50%;
  background: #e4e9f0;
  color: #7c8894;
  display: grid; place-items: center;
  font-size: 12px; font-weight: 800;
}
.bk-step.active { color: var(--blue-dark, #0b2a4a); }
.bk-step.active .bk-step-num { background: var(--orange, #f26a1b); color: #fff; }
.bk-step.done .bk-step-num { background: #2e8b57; color: #fff; }
.bk-step.done { color: #2e8b57; }
.bk-step-sep { width: 26px; height: 2px; background: #e4e9f0; }
@media (max-width: 640px) {
  .bk-step-label { display: none; }
  .bk-step-sep { width: 16px; }
}

/* ── Layout ── */
.bk-body {
  max-width: 1120px;
  width: 100%;
  margin: 0 auto;
  padding: 22px 20px 60px;
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 22px;
  align-items: start;
}
@media (max-width: 900px) {
  .bk-body { grid-template-columns: 1fr; }
  .bk-summary { order: -1; }
}
@media (max-width: 640px) { .bk-body { padding: 16px 12px 90px; } }

.bk-card {
  background: #fff;
  border: 1px solid #e4e9f0;
  border-radius: 14px;
  overflow: hidden;
  margin-bottom: 18px;
}
.bk-card-head {
  background: linear-gradient(90deg, #dce9fb, #eef4fd);
  padding: 16px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.bk-card-head h2 { font-size: 17px; font-weight: 800; color: var(--blue-dark, #0b2a4a); margin: 0; }
.bk-card-head .bk-hint { font-size: 12.5px; color: #55637a; display: flex; align-items: center; gap: 6px; }
.bk-card-body { padding: 20px 22px; }
@media (max-width: 640px) { .bk-card-body { padding: 16px; } .bk-card-head { padding: 14px 16px; } }

.bk-paxtype { font-size: 13px; font-weight: 800; letter-spacing: .6px; color: #1c2b3a; margin: 6px 0 12px; }

/* ── Traveller sub-card ── */
.bk-trav {
  border: 1px solid #e4e9f0;
  border-radius: 12px;
  margin-bottom: 16px;
}
.bk-trav-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
}
.bk-trav-check {
  width: 22px; height: 22px;
  border-radius: 6px;
  background: var(--blue-dark, #1d6fe0);
  color: #fff;
  display: grid; place-items: center;
  font-size: 12px;
  flex-shrink: 0;
}
.bk-trav-title { font-weight: 800; font-size: 16px; color: #1c2b3a; }
.bk-trav-body { padding: 4px 18px 18px; }

.bk-grid {
  display: grid;
  grid-template-columns: 160px 1fr 1fr;
  gap: 14px 16px;
}
.bk-grid.two { grid-template-columns: 1fr 1fr; }
@media (max-width: 680px) { .bk-grid, .bk-grid.two { grid-template-columns: 1fr; } }

.bk-field { display: flex; flex-direction: column; gap: 6px; }
.bk-field.span2 { grid-column: span 2; }
@media (max-width: 680px) { .bk-field.span2 { grid-column: auto; } }
.bk-label { font-size: 12.5px; font-weight: 700; color: #33414f; }
.bk-label .opt { font-weight: 500; color: #97a2ae; }
.bk-input, .bk-select {
  border: 1px solid #d5dde7;
  border-radius: 9px;
  padding: 12px 13px;
  font-size: 14px;
  font-family: inherit;
  color: #1c2b3a;
  background: #fff;
  width: 100%;
  transition: border-color .15s, box-shadow .15s;
}
.bk-input:focus, .bk-select:focus {
  outline: none;
  border-color: var(--orange, #f26a1b);
  box-shadow: 0 0 0 3px rgba(242,106,27,.12);
}
.bk-input.err, .bk-select.err { border-color: #e0473c; box-shadow: 0 0 0 3px rgba(224,71,60,.1); }
.bk-input::placeholder { color: #aab4bf; }

.bk-ffn { margin-top: 14px; }
.bk-ffn-toggle {
  background: none; border: none; color: var(--blue-dark, #1d6fe0);
  font-weight: 700; font-size: 13.5px; cursor: pointer; padding: 0;
}
.bk-addon-note {
  margin: 4px -18px -18px;
  padding: 14px 18px;
  background: #f6f8fb;
  border-top: 1px solid #eef1f5;
  border-radius: 0 0 12px 12px;
}
.bk-addon-note strong { font-size: 13px; color: #33414f; }
.bk-addon-note p { font-size: 12px; color: #7c8894; margin: 3px 0 0; }

/* ── Phone input ── */
.bk-phone { display: flex; }
.bk-phone .bk-cc {
  border: 1px solid #d5dde7;
  border-right: none;
  border-radius: 9px 0 0 9px;
  padding: 12px 12px;
  font-size: 14px;
  font-weight: 700;
  color: #33414f;
  background: #f6f8fb;
  white-space: nowrap;
}
.bk-phone .bk-input { border-radius: 0 9px 9px 0; }

/* ── checkbox rows ── */
.bk-checkrow { display: flex; align-items: flex-start; gap: 11px; margin-top: 16px; }
.bk-checkrow input { width: 18px; height: 18px; margin-top: 1px; accent-color: var(--blue-dark, #1d6fe0); flex-shrink: 0; cursor: pointer; }
.bk-checkrow label { font-size: 13px; color: #45525f; line-height: 1.5; cursor: pointer; }
.bk-checkrow a { color: var(--blue-dark, #1d6fe0); font-weight: 600; }

/* ── GST box ── */
.bk-gst {
  border: 1px solid #e4e9f0;
  border-radius: 10px;
  padding: 14px 16px;
  margin-top: 16px;
}
.bk-gst-fields { margin-top: 14px; }

/* ── Summary sidebar ── */
.bk-summary {
  position: sticky;
  top: 84px;
}
.bk-sum-card {
  background: #fff;
  border: 1px solid #e4e9f0;
  border-radius: 14px;
  overflow: hidden;
}
.bk-sum-flight { padding: 16px 18px; border-bottom: 1px dashed #e0e6ee; }
.bk-sum-airline { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.bk-sum-logo { width: 34px; height: 34px; border-radius: 8px; display: grid; place-items: center; color: #fff; font-size: 14px; font-weight: 800; flex-shrink: 0; background: #fff; border: 1px solid #eef1f5; overflow: hidden; }
.bk-sum-logo img { width: 100%; height: 100%; object-fit: contain; padding: 4px; box-sizing: border-box; }
.bk-sum-logo.fallback { padding: 0; }
.bk-sum-airline-name { font-weight: 800; font-size: 14px; color: #1c2b3a; }
.bk-sum-airline-no { font-size: 11.5px; color: #8b96a2; }
.bk-sum-route { display: flex; align-items: center; justify-content: space-between; }
.bk-sum-pt { text-align: center; }
.bk-sum-pt .t { font-size: 16px; font-weight: 800; color: #1c2b3a; }
.bk-sum-pt .c { font-size: 12px; color: #8b96a2; }
.bk-sum-arrow { flex: 1; text-align: center; color: #c3cdd8; }
.bk-sum-meta { font-size: 12px; color: #7c8894; margin-top: 10px; display: flex; gap: 8px; flex-wrap: wrap; }
.bk-sum-meta span { background: #f0f4f9; padding: 3px 9px; border-radius: 20px; }

.bk-sum-fare { padding: 16px 18px; }
.bk-sum-fare h3 { font-size: 13px; font-weight: 800; color: #1c2b3a; margin: 0 0 12px; text-transform: uppercase; letter-spacing: .4px; }
.bk-fare-row { display: flex; justify-content: space-between; font-size: 13.5px; color: #55637a; margin-bottom: 9px; }
.bk-fare-row.total {
  border-top: 1px solid #e4e9f0;
  margin-top: 6px; padding-top: 12px;
  font-size: 16px; font-weight: 800; color: var(--blue-dark, #0b2a4a);
}
.bk-fare-row.total .amt { color: var(--orange, #f26a1b); }

/* ── Primary button ── */
.bk-cta {
  width: 100%;
  background: var(--orange, #f26a1b);
  color: #fff;
  border: none;
  border-radius: 30px;
  padding: 15px;
  font-size: 15.5px;
  font-weight: 800;
  cursor: pointer;
  margin-top: 4px;
  transition: background .15s, transform .1s;
}
.bk-cta:hover { background: var(--orange-dark, #d9560f); }
.bk-cta:active { transform: scale(.99); }
.bk-cta:disabled { opacity: .55; cursor: not-allowed; }
.bk-cta.ghost { background: none; color: var(--blue-dark, #1d6fe0); border: 1px solid #cdd7e2; }
.bk-cta.ghost:hover { background: #f2f6fb; }

.bk-actions { display: flex; gap: 12px; margin-top: 18px; }
@media (max-width: 640px) {
  .bk-actions {
    position: fixed; left: 0; right: 0; bottom: 0;
    background: #fff; padding: 12px 14px;
    box-shadow: 0 -3px 14px rgba(0,0,0,.08);
    margin: 0; z-index: 20;
  }
  .bk-cta { margin-top: 0; }
}

/* ── Add-ons tabs ── */
.bk-tabs { display: flex; gap: 4px; border-bottom: 1px solid #e4e9f0; overflow-x: auto; }
.bk-tab {
  padding: 14px 16px;
  font-size: 14px; font-weight: 700; color: #8b96a2;
  background: none; border: none; cursor: pointer;
  border-bottom: 3px solid transparent;
  white-space: nowrap;
}
.bk-tab.active { color: var(--blue-dark, #0b2a4a); border-bottom-color: var(--orange, #f26a1b); }
.bk-tab i { margin-right: 7px; }
.bk-tabpane { display: none; }
.bk-tabpane.active { display: block; }

/* ── Seat map ── */
.bk-seatmap-wrap { display: flex; gap: 24px; flex-wrap: wrap; }
.bk-seat-legend { display: flex; flex-wrap: wrap; gap: 10px 16px; margin: 8px 0 18px; }
.bk-seat-legend span { font-size: 12px; color: #55637a; display: flex; align-items: center; gap: 6px; }
.bk-seat-swatch { width: 16px; height: 16px; border-radius: 4px; display: inline-block; }
.bk-cabin {
  border: 2px solid #dbe2ec; border-radius: 40px 40px 12px 12px;
  padding: 22px 18px 16px; max-width: 340px; margin: 0 auto;
}
.bk-cabin-front { text-align: center; font-weight: 800; color: #9aa7b5; letter-spacing: 2px; margin-bottom: 14px; font-size: 13px; }
.bk-seat-rows { display: flex; flex-direction: column; gap: 8px; }
.bk-seat-row { display: flex; align-items: center; justify-content: center; gap: 6px; }
.bk-seat-rownum { width: 18px; font-size: 11px; color: #9aa7b5; text-align: center; }
.bk-aisle { width: 16px; }
.bk-seat {
  width: 30px; height: 30px; border-radius: 6px;
  border: none; cursor: pointer;
  font-size: 10px; font-weight: 700; color: #5a6675;
  display: grid; place-items: center;
  transition: transform .1s;
}
.bk-seat:hover:not(.taken) { transform: scale(1.12); }
.bk-seat.taken { background: #e9edf2 !important; color: #c3cdd8; cursor: not-allowed; }
.bk-seat.selected { outline: 3px solid var(--blue-dark, #1d6fe0); outline-offset: 1px; color: #fff; }

/* ── option list (meal / baggage) ── */
.bk-optlist { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; }
.bk-opt {
  border: 1px solid #dde4ec; border-radius: 11px; padding: 14px;
  cursor: pointer; transition: border-color .15s, box-shadow .15s;
  display: flex; flex-direction: column; gap: 4px;
}
.bk-opt:hover { border-color: var(--orange, #f26a1b); }
.bk-opt.selected { border-color: var(--orange, #f26a1b); box-shadow: 0 0 0 2px rgba(242,106,27,.15); }
.bk-opt .name { font-weight: 700; font-size: 13.5px; color: #1c2b3a; }
.bk-opt .desc { font-size: 12px; color: #8b96a2; }
.bk-opt .price { font-weight: 800; color: var(--orange, #f26a1b); font-size: 14px; margin-top: 4px; }
.bk-opt-trav { font-size: 12px; font-weight: 700; color: #55637a; margin: 16px 0 8px; }

/* ── Payment ── */
.bk-pay-grid { display: grid; grid-template-columns: 240px 1fr; gap: 0; }
@media (max-width: 720px) { .bk-pay-grid { grid-template-columns: 1fr; } }
.bk-pay-methods { border-right: 1px solid #e4e9f0; }
@media (max-width: 720px) { .bk-pay-methods { border-right: none; border-bottom: 1px solid #e4e9f0; display: flex; overflow-x: auto; } }
.bk-pay-method {
  display: flex; gap: 12px; align-items: flex-start;
  padding: 15px 18px; cursor: pointer; border-left: 3px solid transparent;
}
.bk-pay-method:hover { background: #f6f8fb; }
.bk-pay-method.active { background: #f0f6ff; border-left-color: var(--orange, #f26a1b); }
@media (max-width: 720px) { .bk-pay-method { border-left: none; border-bottom: 3px solid transparent; white-space: nowrap; } .bk-pay-method.active { border-bottom-color: var(--orange, #f26a1b); } }
.bk-pay-method i { font-size: 18px; color: var(--blue-dark, #1d6fe0); margin-top: 2px; }
.bk-pay-method .t { font-weight: 700; font-size: 13.5px; color: #1c2b3a; }
.bk-pay-method .d { font-size: 11.5px; color: #8b96a2; }
@media (max-width: 720px) { .bk-pay-method .d { display: none; } }
.bk-pay-detail { padding: 22px; }
.bk-pay-total { font-size: 20px; font-weight: 800; color: #1c2b3a; margin: 6px 0 18px; }
.bk-pay-total span { color: var(--orange, #f26a1b); }
.bk-testnote {
  background: #fff7ed; border: 1px solid #fde3c4; color: #92590f;
  border-radius: 10px; padding: 12px 14px; font-size: 12.5px; margin-bottom: 16px; line-height: 1.5;
}
.bk-pay-walletnote {
  display: inline-flex; align-items: center; gap: 6px;
  background: #e6f7f4; color: #0f9b8e; border-radius: 8px;
  padding: 6px 10px; font-size: 12px; font-weight: 600; margin: -8px 0 16px;
}

/* ── Agent wallet redemption gate ── */
.bk-redeem { padding: 20px 22px; }
.bk-redeem-bal {
  display: flex; align-items: center; gap: 8px; font-size: 14px; color: #1c2b3a;
  background: #e6f7f4; border: 1px solid #bfe8e2; border-radius: 10px; padding: 12px 14px;
}
.bk-redeem-bal i { color: #0f9b8e; }
.bk-redeem-bal strong { color: #0f9b8e; }
.bk-redeem-note { font-size: 12px; color: #55637a; line-height: 1.5; margin: 12px 0 16px; }
.bk-redeem-row label { display: block; font-size: 12px; font-weight: 600; color: #3a5068; margin-bottom: 6px; }
.bk-redeem-controls { display: flex; gap: 8px; }
.bk-redeem-controls input {
  flex: 1; min-width: 0; padding: 10px 12px; font-size: 15px; font-weight: 600;
  border: 1.5px solid #cdd7e2; border-radius: 8px; font-family: inherit; color: #1c2b3a;
}
.bk-redeem-controls input:focus { outline: none; border-color: #1565c0; }
.bk-redeem-max {
  flex-shrink: 0; padding: 0 16px; border: 1.5px solid #1565c0; background: #eef4ff;
  color: #1565c0; font-weight: 600; font-size: 12.5px; border-radius: 8px; cursor: pointer; font-family: inherit;
}
.bk-redeem-max:hover { background: #1565c0; color: #fff; }
.bk-redeem-summary { margin: 18px 0; padding: 14px 16px; background: #f5f7fa; border-radius: 10px; }
.bk-redeem-actions { display: flex; flex-direction: column; gap: 10px; align-items: center; }
.bk-redeem-actions .bk-cta { max-width: 320px; }
.bk-textbtn {
  border: none; background: none; color: #55637a; font-size: 12.5px; font-family: inherit;
  cursor: pointer; text-decoration: underline;
}
.bk-textbtn:hover { color: #1565c0; }

/* ── Confirmation ── */
.bk-confirm { max-width: 560px; margin: 40px auto; text-align: center; }
.bk-confirm-icon {
  width: 78px; height: 78px; border-radius: 50%;
  background: #e7f7ee; color: #2e8b57;
  display: grid; place-items: center; font-size: 36px; margin: 0 auto 20px;
}
.bk-confirm h2 { font-size: 24px; color: var(--blue-dark, #0b2a4a); margin: 0 0 8px; }
.bk-confirm p { color: #55637a; font-size: 14px; margin: 0 0 20px; }
.bk-pnr {
  display: inline-flex; flex-direction: column; gap: 3px;
  background: #f0f6ff; border: 1px dashed #b9d2f2; border-radius: 12px;
  padding: 14px 28px; margin-bottom: 22px;
}
.bk-pnr .l { font-size: 11px; letter-spacing: 1px; color: #7c8894; text-transform: uppercase; }
.bk-pnr .v { font-size: 22px; font-weight: 900; color: var(--blue-dark, #0b2a4a); letter-spacing: 2px; }

.bk-commission {
  display: inline-flex; align-items: center; gap: 12px; text-align: left;
  background: #eafaf1; border: 1px solid #b5e6c9; border-radius: 12px;
  padding: 14px 20px; margin: 0 auto 22px; max-width: 420px;
}
.bk-commission > i { font-size: 22px; color: #1f9d57; flex: 0 0 auto; }
.bk-commission-earn { font-size: 15px; font-weight: 800; color: #14713d; }
.bk-commission-bal { font-size: 13px; color: #4a6b57; margin-top: 2px; }
.bk-commission-bal strong { color: #14713d; }

.bk-error {
  background: #fdecea; border: 1px solid #f5c2bd; color: #b3261e;
  border-radius: 9px; padding: 11px 14px; font-size: 13px; margin-bottom: 14px; display: none;
}
.bk-error.show { display: block; }
.bk-spin { display: inline-block; width: 15px; height: 15px; border: 2px solid rgba(255,255,255,.5); border-top-color: #fff; border-radius: 50%; animation: bkspin .7s linear infinite; vertical-align: -2px; margin-right: 7px; }
@keyframes bkspin { to { transform: rotate(360deg); } }