/* Booking V2 booking flow (/booking/new 三步 + /booking/success) — LANN token-only visual layer. */

body.booking-flow,
body.booking-success {
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  overflow-x: clip;
  background: var(--lann-cream);
  color: var(--lann-ink);
  font-family: var(--lann-font-body);
  line-height: 1.6;
}

body.booking-flow *,
body.booking-flow *::before,
body.booking-flow *::after,
body.booking-success *,
body.booking-success *::before,
body.booking-success *::after {
  box-sizing: border-box;
}

body.booking-flow [hidden],
body.booking-success [hidden] {
  display: none !important;
}

body.booking-flow button,
body.booking-success button {
  font: inherit;
}

.skip-link {
  position: fixed;
  z-index: 100;
  inset-block-start: var(--lann-space-compact);
  inset-inline-start: var(--lann-space-compact);
  min-height: 44px;
  padding: var(--lann-space-tight) var(--lann-space-normal);
  transform: translateY(-160%);
  border: 1px solid var(--lann-lavender-900);
  border-radius: var(--lann-radius-control);
  background: var(--lann-surface-solid);
  color: var(--lann-lavender-900);
  font-weight: 700;
}

.skip-link:focus {
  transform: translateY(0);
}

/* ---------- header：back / brand / language ---------- */

.flow-header {
  display: flex;
  align-items: center;
  gap: var(--lann-space-normal);
  max-width: 1120px;
  margin: 0 auto;
  padding: var(--lann-space-normal) var(--lann-space-spacious);
}

.flow-header .brand {
  font-family: var(--lann-font-display);
  font-size: 15px;
  letter-spacing: 0.08em;
  color: var(--lann-lavender-900);
  text-decoration: none;
}

.flow-back {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  white-space: nowrap;
  color: var(--lann-ink-2);
  text-decoration: none;
  font-size: 14px;
}

.flow-header #lang-switcher {
  margin-inline-start: auto;
}

.booking-lang-switcher {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 6px;
}

.booking-lang-switcher button {
  min-height: 44px;
  border: 1px solid var(--lann-line-strong);
  background: var(--lann-surface-solid);
  color: var(--lann-ink-2);
  font-size: 12.5px;
  padding: 5px 12px;
  border-radius: var(--lann-radius-pill);
  cursor: pointer;
  font-family: inherit;
}

.booking-lang-switcher button[data-active] {
  background: var(--lann-terracotta);
  border-color: var(--lann-terracotta);
  color: var(--lann-surface-solid);
  font-weight: 700;
}

/* ---------- 主体排版 ---------- */

.booking-flow main,
.booking-success main {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 var(--lann-space-spacious) var(--lann-space-presentation);
}

.booking-flow h1,
.booking-success h1 {
  font-family: var(--lann-font-display);
  font-size: 30px;
  font-weight: 700;
  margin: var(--lann-space-tight) 0 var(--lann-space-compact);
  color: var(--lann-lavender-900);
}

.flow-subtitle,
.success-body {
  color: var(--lann-ink-2);
  font-size: 15px;
  margin: 0 0 var(--lann-space-normal);
  max-width: 56ch;
}

/* 促销卡：与既有客户页同一契约（hidden 由客户端 promoActive() 揭开） */
.promo-card {
  margin: 0 0 var(--lann-space-normal);
  padding: var(--lann-space-normal) var(--lann-space-spacious);
  border-radius: var(--lann-radius-card);
  background: var(--lann-lavender-100);
  border: 1px solid var(--lann-line-strong);
}

.promo-card .promo-title {
  font-weight: 700;
  font-size: 15px;
  color: var(--lann-warning);
}

.promo-card .promo-body {
  font-size: 13.5px;
  margin-top: var(--lann-space-compact);
}

.preselect-notice {
  margin: 0 0 var(--lann-space-normal);
  padding: var(--lann-space-tight) var(--lann-space-normal);
  border-radius: var(--lann-radius-control);
  border: 1px solid var(--lann-lavender-300);
  background: var(--lann-lavender-100);
  color: var(--lann-lavender-900);
  font-size: 14px;
}

/* ---------- layout：desktop 表单 + sticky 摘要；mobile 单列 ---------- */

.flow-layout {
  display: block;
}

#booking-flow {
  background: var(--lann-surface-solid);
  border: 1px solid var(--lann-line-strong);
  border-radius: var(--lann-radius-card);
  padding: var(--lann-space-spacious);
}

/* ---------- step rail：连贯 touch path 连接三个真实顺序步骤 ---------- */

.step-rail {
  display: flex;
  align-items: flex-start;
  gap: 0;
  list-style: none;
  margin: 0 0 var(--lann-space-spacious);
  padding: 0;
}

.step-rail li {
  position: relative;
  flex: 1 1 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--lann-space-compact);
  text-align: center;
  color: var(--lann-ink-2);
}

/* 连接线段：安静、连续的 touch path（非交互，纯结构） */
.step-rail li:not(:last-child)::after {
  content: '';
  position: absolute;
  inset-block-start: 18px;
  inset-inline-start: calc(50% + 24px);
  inline-size: calc(100% - 48px);
  border-block-start: 1px solid var(--lann-line-strong);
}

.step-rail li[aria-current='step'] {
  color: var(--lann-lavender-900);
  font-weight: 700;
}

.step-rail li[aria-current='step']::after {
  border-block-start-color: var(--lann-lavender-500);
}

.step-marker {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  inline-size: 36px;
  block-size: 36px;
  border-radius: 50%;
  border: 1px solid var(--lann-line-strong);
  background: var(--lann-surface-solid);
  color: var(--lann-ink-2);
  font-size: 14px;
  font-weight: 700;
  position: relative;
  z-index: 1;
}

.step-rail li[aria-current='step'] .step-marker {
  background: var(--lann-lavender-900);
  border-color: var(--lann-lavender-900);
  color: var(--lann-surface-solid);
}

.step-label {
  font-size: 13px;
  letter-spacing: 0.02em;
}

/* ---------- fieldset / 字段 ---------- */

#booking-flow fieldset {
  border: 0;
  margin: 0;
  padding: 0;
  min-inline-size: 0;
  outline: none;
  scroll-margin-top: 96px;
}

#booking-flow legend {
  font-family: var(--lann-font-display);
  font-size: 21px;
  font-weight: 700;
  color: var(--lann-lavender-900);
  padding: 0;
  margin: 0 0 var(--lann-space-normal);
}

.visit-note {
  margin: 0 0 var(--lann-space-normal);
  padding: var(--lann-space-tight) var(--lann-space-normal);
  border-inline-start: 3px solid var(--lann-lavender-500);
  background: var(--lann-lavender-100);
  color: var(--lann-ink);
  font-size: 14px;
}

.flow-field {
  margin-bottom: var(--lann-space-normal);
  scroll-margin-top: 96px;
}

.flow-field label {
  display: block;
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: 0.02em;
  margin-bottom: var(--lann-space-compact);
}

.flow-field label .req {
  color: var(--lann-danger);
}

.flow-field input,
.flow-field select,
.flow-field textarea {
  width: 100%;
  min-height: 44px;
  padding: var(--lann-space-tight) var(--lann-space-normal);
  border: 1px solid var(--lann-line-strong);
  border-radius: var(--lann-radius-control);
  font-size: 16px;
  font-family: inherit;
  background: var(--lann-surface-solid);
  color: var(--lann-ink);
}

.flow-field textarea {
  min-height: 84px;
  resize: vertical;
}

.flow-field input[aria-invalid='true'],
.flow-field select[aria-invalid='true'],
.flow-field textarea[aria-invalid='true'] {
  border-color: var(--lann-danger);
}

.field-hint {
  font-size: 12.5px;
  color: var(--lann-ink-2);
  margin: var(--lann-space-compact) 0 0;
}

.field-error {
  font-size: 13px;
  color: var(--lann-danger);
  font-weight: 600;
  margin: var(--lann-space-compact) 0 0;
}

.required-note {
  font-size: 12.5px;
  color: var(--lann-ink-2);
  margin: 0 0 var(--lann-space-normal);
}

/* ---------- error summary ---------- */

.error-summary {
  margin: 0 0 var(--lann-space-spacious);
  padding: var(--lann-space-normal);
  border: 1px solid var(--lann-danger);
  border-radius: var(--lann-radius-control);
  background: var(--lann-cream-2);
  outline: none;
  scroll-margin-top: 96px;
}

.error-summary-title {
  font-weight: 700;
  color: var(--lann-danger);
  margin: 0 0 var(--lann-space-compact);
  font-size: 14.5px;
}

.error-summary-list {
  margin: 0;
  padding-inline-start: var(--lann-space-spacious);
  font-size: 14px;
}

.error-summary-list a {
  color: var(--lann-danger);
}

.cross-border-consent {
  margin-top: var(--lann-space-spacious);
  padding: var(--lann-space-normal);
  border: 1px solid var(--lann-line-strong);
  border-radius: var(--lann-radius-control);
  background: var(--lann-lavender-100);
}

.consent-notice {
  margin: 0 0 var(--lann-space-normal);
  color: var(--lann-ink-2);
  font-size: 12.5px;
}

.consent-choice {
  display: flex;
  align-items: flex-start;
  gap: var(--lann-space-tight);
  font-size: 13.5px;
  font-weight: 700;
  cursor: pointer;
}

.consent-choice input {
  width: 20px;
  height: 20px;
  flex: 0 0 auto;
  margin-top: 1px;
  accent-color: var(--lann-terracotta);
}

/* ---------- 按钮 ---------- */

.flow-nav {
  display: flex;
  gap: var(--lann-space-normal);
  justify-content: space-between;
  margin-top: var(--lann-space-spacious);
}

.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  min-width: 44px;
  padding: var(--lann-space-tight) var(--lann-space-spacious);
  border-radius: var(--lann-radius-control);
  font-size: 15.5px;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--lann-terracotta);
  color: var(--lann-surface-solid);
  border-color: var(--lann-terracotta);
}

/* base.css 的 public anchor 选择器更具体；按钮式链接必须保留主按钮对比度。 */
body.booking-flow a.btn-primary,
body.booking-success a.btn-primary {
  color: var(--lann-surface-solid);
  text-decoration: none;
}

body.booking-flow a.btn-secondary,
body.booking-success a.btn-secondary {
  text-decoration: none;
}

.btn-primary:disabled {
  opacity: 0.6;
  cursor: default;
}

.btn-secondary {
  background: var(--lann-surface-solid);
  color: var(--lann-lavender-900);
  border-color: var(--lann-line-strong);
}

.flow-nav .btn-primary {
  margin-inline-start: auto;
}

.flow-nav .btn-secondary[hidden] + .btn-primary {
  margin-inline-start: auto;
}

/* ---------- 摘要（aside 与 step3 复核块共享） ---------- */

.flow-summary,
.flow-review {
  background: var(--lann-surface-solid);
  border: 1px solid var(--lann-line-strong);
  border-radius: var(--lann-radius-card);
  padding: var(--lann-space-spacious);
}

.flow-review {
  margin-top: var(--lann-space-spacious);
  background: var(--lann-cream);
}

.flow-summary h2,
.flow-review .review-title {
  font-family: var(--lann-font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--lann-lavender-900);
  margin: 0 0 var(--lann-space-normal);
}

.summary-list {
  margin: 0;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  gap: var(--lann-space-normal);
  padding: var(--lann-space-compact) 0;
  border-block-end: 1px solid var(--lann-line-subtle);
  font-size: 14px;
}

.summary-row dt {
  color: var(--lann-ink-2);
  flex: none;
}

.summary-row dd {
  margin: 0;
  text-align: end;
  font-weight: 600;
  overflow-wrap: anywhere;
}

.summary-price .original-price {
  color: var(--lann-ink-2);
  font-weight: 400;
}

.summary-price .discount-price {
  color: var(--lann-terracotta);
  font-weight: 700;
}

.summary-note {
  margin: var(--lann-space-normal) 0 0;
  font-size: 13px;
  color: var(--lann-ink-2);
}

/* ---------- desktop composition ---------- */

@media (min-width: 801px) {
  .flow-layout {
    display: grid;
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: var(--lann-space-presentation);
    align-items: start;
  }

  .flow-summary {
    position: sticky;
    inset-block-start: var(--lann-space-spacious);
  }

  /* desktop 只显示 sticky aside；表单内摘要专供移动端提交前复核。 */
  .flow-review {
    display: none;
  }
}

/* mobile：aside 让位给 step3 表单内复核块（提交前可见），避免固定底栏遮挡输入 */
@media (max-width: 800px) {
  .flow-summary {
    display: none;
  }

  .flow-header {
    padding: var(--lann-space-normal);
  }

  .booking-flow main,
  .booking-success main {
    padding: 0 var(--lann-space-normal) var(--lann-space-presentation);
  }

  #booking-flow {
    padding: var(--lann-space-normal);
  }
}

/* 窄屏 header 分两行：返回 + 品牌在首行，五语切换器独占第二行。 */
@media (max-width: 520px) {
  .flow-header {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
  }

  .flow-header .brand {
    white-space: nowrap;
  }

  .flow-header #lang-switcher {
    grid-column: 1 / -1;
    margin-inline-start: 0;
    min-height: 44px;
  }

  .booking-lang-switcher {
    justify-content: flex-start;
  }
}

@media (max-width: 360px) {
  .booking-flow h1,
  .booking-success h1 {
    font-size: 26px;
  }

  .step-label {
    font-size: 12px;
  }

  .btn-primary,
  .btn-secondary {
    padding: var(--lann-space-tight) var(--lann-space-normal);
    font-size: 15px;
  }
}

@media (max-width: 330px) {
  .step-marker {
    inline-size: 30px;
    block-size: 30px;
    font-size: 13px;
  }

  .step-rail li:not(:last-child)::after {
    inset-block-start: 15px;
    inset-inline-start: calc(50% + 19px);
    inline-size: calc(100% - 38px);
  }
}

/* ---------- success 页 ---------- */

.booking-success main {
  max-width: 640px;
}

.success-lead {
  font-size: 17px;
  font-weight: 700;
  color: var(--lann-ink);
  margin: 0 0 var(--lann-space-normal);
  padding: var(--lann-space-normal);
  border-inline-start: 3px solid var(--lann-terracotta);
  background: var(--lann-lavender-100);
}

.success-summary {
  margin: var(--lann-space-spacious) 0;
  background: var(--lann-surface-solid);
  border: 1px solid var(--lann-line-strong);
  border-radius: var(--lann-radius-card);
  padding: var(--lann-space-spacious);
}

.success-summary h2 {
  font-family: var(--lann-font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--lann-lavender-900);
  margin: 0 0 var(--lann-space-normal);
}

.success-manage {
  margin: var(--lann-space-spacious) 0;
}

.manage-hint {
  font-size: 13px;
  color: var(--lann-ink-2);
  margin: var(--lann-space-compact) 0 0;
}

.success-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--lann-space-normal);
  margin-top: var(--lann-space-spacious);
}

/* ---------- footer ---------- */

.flow-footer {
  max-width: 1120px;
  margin: 0 auto;
  padding: var(--lann-space-spacious);
  color: var(--lann-ink-2);
  font-size: 13px;
}

.flow-footer .footer-brand {
  font-family: var(--lann-font-display);
  letter-spacing: 0.08em;
  color: var(--lann-lavender-900);
  margin: 0 0 var(--lann-space-compact);
}

.flow-footer .footer-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: var(--lann-space-compact) var(--lann-space-normal);
  padding: 0;
  margin: 0 0 var(--lann-space-compact);
  list-style: none;
}

.flow-footer .footer-nav a {
  color: var(--lann-ink-2);
  text-underline-offset: 0.18em;
}

.flow-footer .footer-copyright {
  margin: 0;
}

/* ---------- focus / motion 守卫 ---------- */

.booking-flow :focus-visible,
.booking-success :focus-visible {
  outline: 2px solid var(--lann-lavender-900);
  outline-offset: 2px;
  box-shadow: var(--lann-focus-ring);
}

@media (hover: hover) {
  .btn-primary:not(:disabled):hover {
    background: var(--lann-lavender-900);
    border-color: var(--lann-lavender-900);
  }

  .btn-secondary:hover {
    border-color: var(--lann-lavender-900);
  }

  .flow-back:hover,
  .flow-header .brand:hover {
    color: var(--lann-lavender-900);
  }

  body.booking-flow a.btn-primary:hover,
  body.booking-flow a.btn-secondary:hover,
  body.booking-success a.btn-primary:hover,
  body.booking-success a.btn-secondary:hover {
    text-decoration: none;
  }
}

.booking-flow .btn-primary,
.booking-flow .btn-secondary,
.booking-success .btn-primary,
.booking-success .btn-secondary,
.booking-flow input,
.booking-flow select,
.booking-flow textarea {
  transition: border-color 160ms ease, background-color 160ms ease;
}

.booking-spam-trap {
  position: absolute;
  inset-block-start: 0;
  inset-inline-start: -10000px;
  inline-size: 1px;
  block-size: 1px;
  overflow: hidden;
  pointer-events: none;
}

@media (prefers-reduced-motion: reduce) {
  .booking-flow *,
  .booking-success * {
    transition: none !important;
  }
}