#checkout-dialog {
  --canvas: #f5f1e7;
  --surface: #fffdf7;
  --panel: #eae4d6;
  --ink: #2c332b;
  --muted: #676c5f;
  --line: #d9d2c1;
  --accent: #4f6043;
  --accent-strong: #34452f;
  --success: #3f6247;
  --error: #984938;
  --booking-heading-font: 'Iowan Mincho', 'Nanum Myeongjo', 'AppleMyungjo', 'Batang', Georgia, serif;
  color-scheme: light;
  box-sizing: border-box;
  width: min(1000px, calc(100% - 32px));
  max-width: none;
  max-height: calc(100dvh - 32px);
  margin: auto;
  padding: 0;
  overflow: auto;
  overscroll-behavior: contain;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--surface);
  color: var(--ink);
  font-family: 'Apple SD Gothic Neo', system-ui, sans-serif;
  font-size: 14px;
  line-height: 1.75;
  box-shadow: 0 24px 80px color-mix(in srgb, var(--ink) 24%, transparent), 0 4px 16px color-mix(in srgb, var(--ink) 12%, transparent);
}
#checkout-dialog::backdrop { background: color-mix(in srgb, var(--ink) 58%, transparent); backdrop-filter: blur(6px); }
#checkout-dialog[open] { animation: booking-enter 300ms cubic-bezier(.22, 1, .36, 1); }
#checkout-dialog *, #checkout-dialog *::before, #checkout-dialog *::after { box-sizing: border-box; }
#checkout-dialog button, #checkout-dialog input { font: inherit; }
#checkout-dialog input, .booking-form-status { scroll-margin-block: 100px 24px; }
#checkout-dialog button { cursor: pointer; }
#checkout-dialog button:disabled { cursor: wait; opacity: .55; }
#checkout-dialog :focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }
#checkout-dialog h2, #checkout-dialog h3, #checkout-dialog p, #checkout-dialog dl { margin: 0; }
#checkout-dialog h2, #checkout-dialog h3, .booking-wordmark { font-family: var(--booking-heading-font); }
#checkout-dialog fieldset { min-width: 0; }
.booking-header { position: sticky; top: 0; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 16px 32px; border-bottom: 1px solid var(--line); background: var(--canvas); }
.booking-header > div { display: flex; align-items: center; gap: 16px; }
.booking-wordmark { font-size: 20px; font-weight: 600; letter-spacing: .06em; white-space: nowrap; }
.booking-wordmark > span { margin-left: 8px; font: 11px ui-monospace, monospace; letter-spacing: .12em; }
.booking-demo-tag { padding: 4px 8px; border: 1px solid var(--line); border-radius: 4px; color: var(--muted); font: 11px ui-monospace, monospace; letter-spacing: .06em; }
.booking-close { display: grid; place-items: center; flex-shrink: 0; width: 44px; height: 44px; padding: 8px; border: 1px solid var(--accent); border-radius: 2px; color: var(--surface); background: var(--accent); transition: background 180ms, transform 180ms; }
.booking-close:hover { background: var(--accent-strong); transform: translateY(-2px); }
.booking-close svg { width: 24px; height: 24px; }
.booking-progress { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin: 0; padding: 24px 32px; list-style: none; border-bottom: 1px solid var(--line); }
.booking-progress li { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 12px; white-space: nowrap; }
.booking-progress li > span { display: grid; place-items: center; flex-shrink: 0; width: 28px; height: 28px; border: 1px solid var(--line); border-radius: 50%; font: 11px ui-monospace, monospace; }
.booking-progress svg { width: 20px; height: 20px; }
.booking-progress .booking-step--current { color: var(--accent-strong); }
.booking-step--current > span { border-color: var(--accent); background: var(--accent); color: var(--surface); }
.booking-progress .booking-step--done { color: var(--success); }
.booking-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); }
.booking-main { min-width: 0; padding: 32px; animation: booking-step 220ms ease-out; }
.booking-heading { margin-bottom: 32px; }
#checkout-dialog .booking-label { margin-bottom: 12px; color: var(--accent); font: 11px ui-monospace, monospace; letter-spacing: .12em; }
#checkout-dialog .booking-heading h2 { max-width: 14em; margin-bottom: 16px; font-size: 28px; line-height: 1.35; font-weight: 600; letter-spacing: -.04em; word-break: keep-all; }
.booking-heading > p:last-child { color: var(--muted); font-size: 14px; word-break: keep-all; }
.booking-subtitle-line { display: block; }
.booking-form-fields { margin: 0; padding: 0; border: 0; }
.booking-field { margin-bottom: 24px; }
.booking-field > label, .booking-choice-group > legend { display: block; margin-bottom: 12px; padding: 0; color: var(--ink); font-size: 14px; font-weight: 600; }
.booking-field > input { display: block; width: 100%; min-width: 0; min-height: 52px; padding: 12px 16px; border: 1px solid var(--line); border-radius: 2px; background: var(--canvas); color: var(--ink); font-size: 16px !important; }
.booking-field > input:hover { border-color: var(--muted); }
.booking-field > input[aria-invalid='true'] { border-color: var(--error); }
.booking-field > input::placeholder { color: var(--muted); opacity: .8; }
#checkout-dialog .booking-help { margin-top: 8px; color: var(--muted); font-size: 12px; }
#checkout-dialog .booking-field-error { min-height: 0; margin-top: 8px; color: var(--error); font-size: 12px; }
.booking-field-error:empty { display: none; }
.booking-choice-group { margin: 0 0 24px; padding: 0; border: 0; }
.booking-terms { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.booking-term { position: relative; cursor: pointer; }
.booking-term input { position: absolute; top: 12px; right: 12px; width: 16px; height: 16px; margin: 0; accent-color: var(--accent); }
.booking-term > span { display: flex; align-items: baseline; gap: 4px; min-height: 80px; padding: 24px 16px 16px; border: 1px solid var(--line); border-radius: 2px; color: var(--muted); background: var(--canvas); transition: border-color 180ms, background 180ms; }
.booking-term strong { font-size: 24px; font-weight: 500; color: var(--ink); }
.booking-term input:checked + span { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 8%, var(--surface)); color: var(--ink); }
.booking-term input:focus-visible + span { outline: 3px solid var(--accent); outline-offset: 4px; }
.booking-note { display: flex; align-items: flex-start; gap: 12px; padding: 16px; border-left: 2px solid var(--accent); border-radius: 0 2px 2px 0; background: var(--canvas); color: var(--muted); font-size: 12px; word-break: keep-all; }
.booking-note-mark { display: grid; place-items: center; flex: 0 0 16px; height: 16px; margin-top: 4px; border: 1px solid var(--muted); border-radius: 50%; font: 11px Georgia, serif; }
.booking-sample { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; margin-bottom: 24px; padding: 16px; border: 1px solid var(--line); border-radius: 2px; background: var(--canvas); }
.booking-sample strong { font-size: 14px; font-weight: 500; }
.booking-sample p { margin-top: 4px !important; color: var(--muted); font-size: 12px; }
.booking-review-person { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 12px; margin-bottom: 24px; padding-bottom: 24px; border-bottom: 1px solid var(--line); overflow-wrap: anywhere; }
.booking-review-person .booking-label { flex-basis: 100%; margin-bottom: 4px !important; }
.booking-review-person > span:last-child { color: var(--muted); font-size: 12px; }
.booking-review-total { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 8px; margin-bottom: 24px; }
.booking-review-total > span { color: var(--muted); font-size: 12px; }
.booking-review-total > strong { color: var(--accent-strong); font-size: 24px; font-weight: 500; }
.booking-review-total > small { flex-basis: 100%; color: var(--muted); font-size: 11px; }
.booking-payment-option { display: flex; align-items: center; gap: 12px; min-height: 80px; margin-bottom: 8px; padding: 16px; border: 1px solid var(--line); border-radius: 2px; background: var(--canvas); cursor: pointer; }
.booking-payment-option:has(input:checked) { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 8%, var(--surface)); }
.booking-payment-option input, .booking-outcomes input, .booking-consent input { flex-shrink: 0; width: 18px; height: 18px; margin: 0; accent-color: var(--accent); }
.booking-payment-option > span:nth-child(2) { flex: 1; min-width: 0; }
.booking-payment-option strong { display: block; font-size: 14px; font-weight: 500; }
.booking-payment-option small { display: block; margin-top: 4px; color: var(--muted); font-size: 11px; }
.booking-payment-symbol { color: var(--accent); font: 11px ui-monospace, monospace; letter-spacing: .08em; }
.booking-simulation { padding: 12px 16px 8px; border: 1px dashed var(--line); border-radius: 2px; }
.booking-simulation > legend { padding: 0 8px; margin: 0; color: var(--muted); font-size: 12px; font-weight: 400; }
.booking-outcomes { display: flex; flex-wrap: wrap; gap: 0 20px; }
.booking-outcomes > label { display: flex; align-items: center; gap: 8px; min-height: 44px; cursor: pointer; font-size: 12px; }
.booking-consent { display: flex; align-items: flex-start; gap: 12px; padding: 8px 0; font-size: 12px; cursor: pointer; word-break: keep-all; }
.booking-consent > input { margin-top: 4px; }
.booking-consent > input[aria-invalid='true'] { outline: 2px solid var(--error); outline-offset: 2px; }
#checkout-dialog .booking-form-status { display: flex; align-items: flex-start; gap: 8px; margin: 24px 0 0; color: var(--muted); font-size: 12px; }
#checkout-dialog .booking-form-status:empty { display: none; }
#checkout-dialog .booking-form-status--error { padding: 12px 16px; border: 1px solid color-mix(in srgb, var(--error) 50%, var(--line)); border-radius: 2px; color: var(--error); background: color-mix(in srgb, var(--error) 5%, var(--surface)); }
.booking-spinner { flex: 0 0 16px; width: 16px; height: 16px; margin-top: 4px; border: 2px solid var(--line); border-top-color: var(--accent); border-radius: 50%; animation: booking-spin 800ms linear infinite; }
.booking-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.booking-button { display: inline-flex; align-items: center; justify-content: center; gap: 16px; min-height: 52px; padding: 12px 20px; border: 1px solid var(--accent); border-radius: 2px; background: var(--accent); color: var(--surface); font-size: 14px !important; font-weight: 600 !important; text-decoration: none; transition: background 180ms, border-color 180ms, transform 180ms; }
.booking-button:hover:not(:disabled) { border-color: var(--accent-strong); background: var(--accent-strong); transform: translateY(-2px); }
.booking-button:active:not(:disabled) { transform: translateY(0); }
.booking-button--primary { flex: 1; justify-content: space-between; }
.booking-button--secondary { border-color: var(--muted); background: var(--muted); color: var(--surface); }
.booking-button--secondary:hover:not(:disabled) { border-color: var(--accent-strong); background: var(--accent-strong); }
.booking-button--small { min-height: 44px; padding: 8px 12px; font-size: 12px !important; }
#checkout-dialog .booking-footnote { margin-top: 16px; color: var(--muted); font-size: 11px; }
.booking-summary { min-width: 0; padding: 32px; border-left: 1px solid var(--line); background: var(--canvas); }
.booking-room-image { display: block; width: 100%; height: auto; aspect-ratio: 1.4; object-fit: contain; margin-bottom: 24px; border: 1px solid var(--line); border-radius: 2px; background: var(--panel); }
.booking-room-title { display: flex; align-items: baseline; gap: 12px; }
#checkout-dialog .booking-room-title h3 { font-size: 24px; line-height: 1.35; font-weight: 500; letter-spacing: -.04em; }
.booking-room-title > span { color: var(--accent); font: italic 16px Georgia, serif; }
#checkout-dialog .booking-room-meta { margin-top: 8px; color: var(--muted); font-size: 12px; }
.booking-dates { margin: 24px 0; padding: 20px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.booking-dates > div { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; margin-bottom: 8px; }
.booking-dates span { color: var(--muted); font-size: 12px; }
.booking-dates strong { font-size: 12px; font-weight: 500; text-align: right; }
.booking-dates small { font-size: 11px; }
.booking-dates p { color: var(--accent); font-size: 12px; text-align: right; }
.booking-costs > div { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; margin-bottom: 12px; }
.booking-costs dt { color: var(--muted); font-size: 12px; }
.booking-costs dt small { margin-left: 4px; font-size: 11px; }
.booking-costs dd { margin: 0; white-space: nowrap; font-size: 14px; font-variant-numeric: tabular-nums; }
.booking-total { margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--line); }
.booking-total span { display: block; margin-bottom: 4px; color: var(--muted); font-size: 12px; }
.booking-total strong { display: block; color: var(--accent-strong); font-size: 32px; line-height: 1.3; font-weight: 500; letter-spacing: -.06em; font-variant-numeric: tabular-nums; }
.booking-ongoing { margin-top: 20px; }
.booking-ongoing p { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; margin-bottom: 8px !important; font-size: 12px; }
.booking-ongoing strong { font-weight: 500; }
.booking-ongoing small { display: block; margin-top: 8px; color: var(--muted); font-size: 11px; word-break: keep-all; }
.booking-success-mark { display: grid; place-items: center; width: 64px; height: 64px; margin-bottom: 20px; border: 1px solid var(--success); border-radius: 2px; background: color-mix(in srgb, var(--success) 8%, var(--surface)); color: var(--success); }
.booking-success-mark svg { width: 32px; height: 32px; }
#checkout-dialog .booking-success-copy { margin-bottom: 24px; color: var(--muted); font-size: 14px; word-break: keep-all; overflow-wrap: anywhere; }
.booking-receipt { position: relative; margin-bottom: 24px; padding: 20px; border: 1px solid var(--line); border-radius: 2px; background: var(--canvas); }
.booking-receipt-heading { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; margin-bottom: 8px; color: var(--success); font: 11px ui-monospace, monospace; }
.booking-receipt-id { display: block; padding-bottom: 20px; margin-bottom: 20px; border-bottom: 1px dashed var(--line); font: 12px ui-monospace, monospace; overflow-wrap: anywhere; }
.booking-receipt dl > div { display: grid; grid-template-columns: 64px minmax(0, 1fr); gap: 12px; margin-bottom: 16px; }
.booking-receipt dt { color: var(--muted); font-size: 12px; }
.booking-receipt dd { margin: 0; text-align: right; font-size: 12px; overflow-wrap: anywhere; }
.booking-receipt dd small { display: block; margin-top: 4px; color: var(--muted); font-size: 11px; }
.booking-receipt dl > .booking-receipt-total { grid-template-columns: 1fr; gap: 4px; margin: 0; padding-top: 20px; border-top: 1px dashed var(--line); }
.booking-receipt-total dd { color: var(--accent-strong); font-size: 24px; font-weight: 500; }
@keyframes booking-enter { from { opacity: 0; transform: translateY(16px) scale(.98); } to { opacity: 1; transform: translateY(0) scale(1); } }
@keyframes booking-step { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
@keyframes booking-spin { to { transform: rotate(360deg); } }
@media (max-width: 700px) {
  #checkout-dialog { width: calc(100% - 16px); max-height: calc(100dvh - 16px); border-radius: 4px; }
  .booking-header { padding: 12px 20px; }
  .booking-header > div { gap: 12px; }
  .booking-wordmark > span { display: block; margin: 4px 0 0; font-size: 10px; }
  .booking-progress { gap: 8px; padding: 20px; }
  .booking-progress li { flex-direction: column; align-items: flex-start; gap: 8px; font-size: 11px; }
  .booking-grid { grid-template-columns: minmax(0, 1fr); }
  .booking-main { padding: 24px 20px; }
  .booking-heading { margin-bottom: 24px; }
  #checkout-dialog .booking-heading h2 { font-size: 24px; }
  .booking-summary { padding: 24px 20px; border-top: 1px solid var(--line); border-left: 0; }
  .booking-room-image { max-height: 240px; }
  .booking-terms { gap: 8px; }
  .booking-term > span { padding-left: 12px; padding-right: 12px; }
  .booking-payment-symbol { display: none; }
  .booking-actions { gap: 8px; }
  .booking-actions > .booking-button { flex: 0 0 auto; padding-left: 16px; padding-right: 16px; white-space: nowrap; }
  .booking-actions > .booking-button--primary { flex: 1 1 auto; }
  .booking-total { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 12px; }
  .booking-total strong { font-size: 28px; }
}
body.reduced-motion #checkout-dialog[open], body.reduced-motion #checkout-dialog * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
@media (prefers-reduced-motion: reduce) {
  #checkout-dialog[open], #checkout-dialog * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}