/* 2026-05-24 app-like LIFF redesign without changing backend contracts. */
:root {
  --color-bg: #f5f7fb;
  --color-surface: #ffffff;
  --color-surface-soft: #f8fafc;
  --color-border: #e5e7eb;
  --color-border-strong: #d0d5dd;
  --color-text: #101828;
  --color-muted: #667085;
  --color-subtle: #98a2b3;
  --color-primary: #06c755;
  --color-primary-dark: #05a847;
  --color-primary-soft: #e8f8ee;
  --color-blue: #2563eb;
  --color-blue-soft: #eff6ff;
  --color-danger: #dc2626;
  --color-danger-soft: #fef2f2;
  --color-warning: #f59e0b;
  --color-warning-soft: #fffbeb;
  --radius-xs: 8px;
  --radius-sm: 12px;
  --radius-md: 16px;
  --radius-lg: 20px;
  --radius-xl: 24px;
  --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.06);
  --shadow-md: 0 8px 24px rgba(16, 24, 40, 0.08);
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans TC", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  min-width: 0;
  margin: 0;
  overflow-x: hidden;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
}

body[data-page="builder"] {
  padding-bottom: calc(104px + env(safe-area-inset-bottom));
}

body[data-page="result"] {
  padding-bottom: calc(96px + env(safe-area-inset-bottom));
}

body.is-liff-mode .split-intro,
body.is-liff-mode .site-footer {
  display: none;
}

body.is-liff-mode .app-header-actions a:first-child {
  display: none;
}

body.is-liff-mode .app-header-actions a {
  border-color: transparent;
  background: var(--color-primary-soft);
  color: var(--color-primary-dark);
}

.liff-only-link {
  display: none !important;
}

body.is-liff-mode .liff-only-link,
body[data-page="history"] .liff-only-link {
  display: inline-flex !important;
}

.liff-status,
.line-login-prompt,
.autosave-status,
.invite-banner,
.invite-collab-panel,
.history-card {
  width: min(1120px, 100%);
  margin: 0 auto var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.liff-status {
  padding: 10px 14px;
  color: var(--color-muted);
  font-size: 0.86rem;
}

.line-login-prompt {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: 12px 14px;
  border-color: rgba(6, 199, 85, 0.24);
  background: var(--color-primary-soft);
  color: var(--color-text);
}

.line-login-prompt strong,
.line-login-prompt span {
  display: block;
}

.line-login-prompt strong {
  font-size: 0.94rem;
}

.line-login-prompt span {
  margin-top: 2px;
  color: var(--color-muted);
  font-size: 0.82rem;
}

.line-login-button {
  min-height: 40px;
  flex: 0 0 auto;
  border: 0;
  border-radius: 999px;
  background: var(--color-primary);
  color: #ffffff;
  cursor: pointer;
  font: inherit;
  font-size: 0.9rem;
  font-weight: 800;
  padding: 0 16px;
  box-shadow: 0 8px 20px rgba(6, 199, 85, 0.18);
}

.line-login-button:hover,
.line-login-button:focus-visible {
  background: var(--color-primary-dark);
  outline: none;
}

.autosave-status {
  width: fit-content;
  max-width: min(1120px, 100%);
  margin-right: auto;
  margin-bottom: var(--space-3);
  padding: 6px 10px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.88);
  color: var(--color-muted);
  font-size: 0.78rem;
  font-weight: 750;
}

.autosave-status.is-saving {
  border-color: rgba(37, 99, 235, 0.24);
  background: var(--color-blue-soft);
  color: var(--color-blue);
}

.autosave-status.is-saved {
  border-color: rgba(6, 199, 85, 0.28);
  background: var(--color-primary-soft);
  color: var(--color-primary-dark);
}

.autosave-status.is-local {
  border-color: rgba(245, 158, 11, 0.28);
  background: var(--color-warning-soft);
  color: #92400e;
}

.autosave-status.is-error {
  border-color: #fecaca;
  background: var(--color-danger-soft);
  color: var(--color-danger);
}

.liff-status.is-connected {
  border-color: rgba(6, 199, 85, 0.28);
  background: var(--color-primary-soft);
  color: var(--color-primary-dark);
}

.liff-status.is-warning {
  border-color: rgba(245, 158, 11, 0.28);
  background: var(--color-warning-soft);
  color: #92400e;
}

.invite-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-4);
}

.invite-banner h2,
.invite-collab-panel h2,
.history-card h1 {
  margin: 0;
  font-size: 1.18rem;
}

.invite-banner p:last-child,
.invite-collab-panel p:last-child,
.history-card p {
  margin: var(--space-1) 0 0;
  color: var(--color-muted);
  font-size: 0.9rem;
}

.invite-collab-panel {
  display: grid;
  gap: var(--space-4);
  padding: var(--space-4);
  border-color: rgba(6, 199, 85, 0.22);
}

.invite-link-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: var(--space-2);
  align-items: center;
}

.invite-link-row input {
  overflow: hidden;
  border-color: rgba(6, 199, 85, 0.28);
  background: var(--color-primary-soft);
  color: var(--color-primary-dark);
  font-weight: 780;
  text-overflow: ellipsis;
}

.history-app {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: var(--space-6) 0 calc(80px + env(safe-area-inset-bottom));
}

.history-card {
  padding: var(--space-5);
}

.history-list {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.history-item {
  display: grid;
  gap: var(--space-2);
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-soft);
  color: inherit;
  cursor: pointer;
}

.history-item:hover,
.history-item:focus {
  border-color: rgba(6, 199, 85, 0.35);
  background: #ffffff;
}

.history-item:focus {
  outline: 3px solid rgba(6, 199, 85, 0.18);
  outline-offset: 2px;
}

.history-item-title {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-3);
}

.history-item-title strong {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.role-badge {
  flex: 0 0 auto;
  padding: 4px 8px;
  border-radius: 999px;
  background: var(--color-primary-soft);
  color: var(--color-primary-dark);
  font-size: 0.76rem;
  font-weight: 800;
}

.history-badges {
  flex: 0 0 auto;
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
}

.role-badge.is-draft {
  background: var(--color-warning-soft);
  color: #92400e;
}

.role-badge.is-finalized,
.role-badge.is-active {
  background: var(--color-blue-soft);
  color: var(--color-blue);
}

.history-item-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  color: var(--color-muted);
  font-size: 0.84rem;
}

.history-action-button {
  min-height: 28px;
  padding: 5px 10px;
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 850;
  white-space: nowrap;
  align-self: center;
}

.history-action-button {
  border: 1px solid transparent;
  background: var(--color-danger-soft);
  color: var(--color-danger);
  cursor: pointer;
}

.history-action-button:hover {
  border-color: #fecaca;
  background: #fff7f7;
}

.history-action-button:disabled {
  cursor: not-allowed;
  opacity: 0.58;
}

.app-header {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid rgba(208, 213, 221, 0.78);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(16px);
}

.app-header-inner {
  width: min(1120px, calc(100% - 32px));
  min-height: 64px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.app-brand {
  min-width: 0;
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
}

.brand-mark {
  width: 36px;
  height: 36px;
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--color-primary);
  color: #ffffff;
  font-size: 0.92rem;
  font-weight: 900;
  box-shadow: 0 6px 14px rgba(6, 199, 85, 0.22);
}

.brand-copy {
  min-width: 0;
  display: grid;
  line-height: 1.18;
}

.brand-copy strong {
  color: var(--color-text);
  font-size: 1rem;
  font-weight: 850;
}

.brand-copy span {
  color: var(--color-muted);
  font-size: 0.78rem;
  font-weight: 700;
}

.app-header-actions {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.app-header-actions a {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: #344054;
  font-size: 0.9rem;
  font-weight: 800;
}

.split-app,
.result-app {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.split-app {
  padding: var(--space-5) 0 var(--space-6);
}

.split-intro {
  min-height: 132px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.7fr);
  align-items: end;
  gap: var(--space-6);
  padding: var(--space-5) 0 var(--space-6);
}

.intro-copy h1 {
  margin-bottom: var(--space-2);
  color: var(--color-text);
  font-size: clamp(2rem, 4vw, 2.7rem);
  line-height: 1.12;
  letter-spacing: 0;
}

.intro-copy p:last-child {
  max-width: 620px;
  margin-bottom: 0;
  color: var(--color-muted);
  font-size: 1rem;
  font-weight: 650;
}

.eyebrow {
  margin-bottom: var(--space-1);
  color: var(--color-primary-dark);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.intro-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-2);
}

.intro-metrics div,
.preview-dashboard article,
.result-stat-grid article {
  min-width: 0;
  padding: var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.intro-metrics span,
.preview-dashboard span,
.result-stat-grid span {
  display: block;
  margin-bottom: 2px;
  color: var(--color-muted);
  font-size: 0.78rem;
  font-weight: 760;
}

.intro-metrics strong,
.preview-dashboard strong,
.result-stat-grid strong {
  display: block;
  color: var(--color-text);
  font-size: 1.08rem;
  font-weight: 900;
  line-height: 1.25;
}

.split-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.38fr);
  align-items: start;
  gap: var(--space-5);
}

.wizard-panel,
.desktop-preview-card,
.notice-card,
.result-hero-card,
.receipt-card,
.empty-result-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-md);
}

.wizard-panel {
  min-width: 0;
  overflow: hidden;
}

.split-stepper {
  position: sticky;
  top: 64px;
  z-index: 20;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-2);
  padding: var(--space-3);
  border-bottom: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(14px);
}

.step-chip {
  min-width: 0;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 8px 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-soft);
  color: var(--color-muted);
  cursor: pointer;
  font-size: 0.92rem;
  font-weight: 850;
}

.step-chip.is-active {
  border-color: rgba(6, 199, 85, 0.42);
  background: var(--color-primary-soft);
  color: var(--color-primary-dark);
}

.step-chip.is-complete .step-index {
  background: var(--color-primary);
  color: #ffffff;
}

.step-index {
  width: 22px;
  height: 22px;
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: var(--color-border);
  color: #344054;
  font-size: 0.78rem;
  font-weight: 900;
}

.split-step-panel {
  min-width: 0;
  padding: var(--space-5);
}

.section-heading {
  margin-bottom: var(--space-5);
}

.section-heading.compact {
  margin-bottom: var(--space-4);
}

.section-heading h2,
.receipt-heading h2 {
  margin-bottom: var(--space-1);
  color: var(--color-text);
  font-size: 1.25rem;
  line-height: 1.25;
  letter-spacing: 0;
}

.section-heading p:not(.eyebrow),
.receipt-heading p {
  margin-bottom: 0;
  color: var(--color-muted);
  font-size: 0.94rem;
}

.subsection-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin: var(--space-5) 0 var(--space-3);
}

.subsection-heading h3 {
  margin: 0;
  font-size: 1rem;
  line-height: 1.25;
}

.subsection-heading span {
  flex: 0 0 auto;
  color: var(--color-muted);
  font-size: 0.84rem;
  font-weight: 800;
}

.field-group {
  min-width: 0;
  display: grid;
  gap: 7px;
}

.field-group > span,
.field-label {
  color: #344054;
  font-size: 0.88rem;
  font-weight: 840;
}

.field-group small {
  color: var(--color-muted);
  font-size: 0.78rem;
  line-height: 1.35;
}

input[type="text"],
input[type="number"],
select,
textarea {
  width: 100%;
  min-width: 0;
  min-height: 46px;
  padding: 11px 12px;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: 16px;
  outline: none;
}

select {
  appearance: auto;
}

textarea {
  resize: vertical;
}

input[type="number"] {
  text-align: right;
  font-weight: 850;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(6, 199, 85, 0.16);
}

.primary-button,
.secondary-button,
.primary-soft-button,
.ghost-danger-button {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 10px 14px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.96rem;
  font-weight: 850;
  line-height: 1.2;
  transition: background 160ms ease, border-color 160ms ease, color 160ms ease, transform 160ms ease;
}

.primary-button {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: #ffffff;
  box-shadow: 0 8px 18px rgba(6, 199, 85, 0.2);
}

.primary-button:hover,
.primary-button:focus-visible {
  border-color: var(--color-primary-dark);
  background: var(--color-primary-dark);
}

.secondary-button {
  border-color: var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
}

.primary-soft-button {
  border-color: rgba(6, 199, 85, 0.3);
  background: var(--color-primary-soft);
  color: var(--color-primary-dark);
}

.ghost-danger-button {
  width: 38px;
  height: 38px;
  min-height: 38px;
  flex: 0 0 auto;
  padding: 0;
  border-color: transparent;
  background: transparent;
  color: var(--color-danger);
  font-size: 1.2rem;
}

.ghost-danger-button:hover,
.ghost-danger-button:focus-visible {
  background: var(--color-danger-soft);
}

.add-button {
  width: 100%;
  margin-top: var(--space-3);
}

.member-list,
.expense-list,
.payment-list,
.balance-list,
.member-balance-list,
.expense-result-list {
  display: grid;
  gap: var(--space-3);
}

.member-row {
  min-width: 0;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-soft);
}

.member-avatar,
.payment-avatar {
  width: 38px;
  height: 38px;
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: var(--color-blue-soft);
  color: var(--color-blue);
  font-size: 0.86rem;
  font-weight: 900;
}

.member-row .field-group {
  gap: 4px;
}

.expense-card {
  min-width: 0;
  display: grid;
  gap: var(--space-4);
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface-soft);
}

.expense-card-header,
.receipt-heading,
.expense-result-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
}

.expense-card-title {
  min-width: 0;
  display: grid;
  gap: 2px;
}

.expense-card-title strong {
  color: var(--color-text);
  font-size: 1rem;
  line-height: 1.25;
}

.expense-card-title span {
  color: var(--color-muted);
  font-size: 0.8rem;
  font-weight: 720;
}

.expense-fields {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(128px, 0.42fr);
  gap: var(--space-3);
}

.amount-input {
  border-color: rgba(6, 199, 85, 0.42) !important;
  background: #fbfffd !important;
  color: var(--color-primary-dark) !important;
  font-size: 1.18rem !important;
}

.share-checkboxes {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.check-pill {
  min-width: 0;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 8px 11px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-surface);
  color: #344054;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 820;
}

.check-pill input {
  position: absolute;
  inline-size: 1px;
  block-size: 1px;
  opacity: 0;
  pointer-events: none;
}

.check-pill.is-checked {
  border-color: rgba(6, 199, 85, 0.42);
  background: var(--color-primary-soft);
  color: var(--color-primary-dark);
}

.inline-message,
.form-message,
.validation-summary {
  padding: var(--space-3);
  border: 1px solid var(--color-warning);
  border-radius: var(--radius-sm);
  background: var(--color-warning-soft);
  color: #92400e;
  font-size: 0.9rem;
  font-weight: 760;
}

.form-message {
  margin: 0 var(--space-5) var(--space-5);
}

.form-message.is-error,
.validation-summary.is-error,
.inline-message.is-error {
  border-color: #fecaca;
  background: var(--color-danger-soft);
  color: var(--color-danger);
}

.form-message.is-success {
  border-color: #bbf7d0;
  background: var(--color-primary-soft);
  color: var(--color-primary-dark);
}

.validation-summary ul {
  margin: 8px 0 0;
  padding-left: 20px;
}

.live-preview-panel {
  min-width: 0;
}

.desktop-preview-card {
  position: sticky;
  top: 84px;
  padding: var(--space-5);
}

.mobile-summary-card {
  display: none;
}

.preview-dashboard,
.result-stat-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-3);
}

.preview-dashboard.compact {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.preview-dashboard + .next-payment-card,
.live-preview-body .next-payment-card {
  margin-top: var(--space-3);
}

.next-payment-card,
.payment-card,
.balance-card,
.member-balance-card,
.expense-result-card,
.empty-note {
  min-width: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-soft);
}

.next-payment-card,
.empty-note {
  padding: var(--space-4);
  color: var(--color-muted);
  font-size: 0.92rem;
  font-weight: 720;
}

.payment-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
}

.payment-route {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.payment-party {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.payment-party strong,
.member-balance-name,
.expense-result-head strong {
  min-width: 0;
  color: var(--color-text);
  font-weight: 900;
}

.payment-arrow {
  color: var(--color-muted);
  font-weight: 900;
}

.payment-amount {
  color: var(--color-primary-dark);
  font-size: 1.16rem;
  font-weight: 950;
  white-space: nowrap;
}

.balance-card,
.member-balance-card {
  display: grid;
  gap: var(--space-2);
  padding: var(--space-4);
}

.balance-meta,
.member-balance-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-2);
  color: var(--color-muted);
  font-size: 0.86rem;
  font-weight: 720;
}

.balance-meta span,
.member-balance-meta span {
  min-width: 0;
}

.net-positive {
  color: #047857;
}

.net-negative {
  color: var(--color-danger);
}

.net-zero {
  color: var(--color-muted);
}

.notice-card {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: var(--space-5);
  margin-top: var(--space-5);
  padding: var(--space-5);
}

.notice-card h2 {
  margin-bottom: 0;
  font-size: 1.2rem;
}

.notice-content {
  display: grid;
  gap: var(--space-2);
}

.notice-content p {
  margin-bottom: 0;
  color: var(--color-muted);
  font-size: 0.92rem;
}

.bottom-action-bar,
.sticky-share-bar {
  position: fixed;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 50;
  border-top: 1px solid rgba(208, 213, 221, 0.86);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(16px);
  padding: var(--space-3) var(--space-4) calc(var(--space-3) + env(safe-area-inset-bottom));
}

.bottom-action-inner,
.sticky-share-inner {
  width: min(1120px, 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-4);
}

.bottom-action-inner p {
  margin-bottom: 0;
  color: var(--color-muted);
  font-size: 0.88rem;
  font-weight: 760;
}

.bottom-buttons,
.sticky-share-inner {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-2);
}

.bottom-buttons .primary-button,
.bottom-buttons .secondary-button,
.sticky-share-inner .primary-button,
.sticky-share-inner .secondary-button {
  min-width: 148px;
}

.site-footer {
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
}

.footer-inner {
  width: min(1120px, calc(100% - 32px));
  min-height: 78px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  color: var(--color-muted);
  font-size: 0.88rem;
}

.footer-brand {
  display: grid;
  gap: 2px;
}

.footer-brand strong {
  color: var(--color-text);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: var(--space-3);
  font-weight: 800;
}

.footer-links a:hover {
  color: var(--color-primary-dark);
}

.result-app {
  padding: var(--space-5) 0 var(--space-6);
}

.receipt-shell {
  display: grid;
  gap: var(--space-4);
}

.result-hero-card {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.78fr);
  align-items: end;
  gap: var(--space-5);
  padding: var(--space-5);
}

.result-title-block h1,
.empty-result-card h1 {
  margin-bottom: var(--space-2);
  font-size: clamp(1.8rem, 4vw, 2.55rem);
  line-height: 1.12;
  letter-spacing: 0;
}

.result-title-block p:not(.eyebrow),
.empty-result-card p {
  margin-bottom: 0;
  color: var(--color-muted);
  font-weight: 650;
}

.result-title-head {
  display: block;
}

.result-edit-button {
  position: absolute;
  top: var(--space-5);
  right: var(--space-5);
  min-height: 44px;
  padding: 10px 18px;
  border-radius: 14px;
  font-size: 0.96rem;
  box-shadow: 0 10px 22px rgba(6, 199, 85, 0.22);
}

.result-edit-button[hidden] {
  display: none;
}

.receipt-card,
.empty-result-card {
  padding: var(--space-5);
}

.empty-result-card {
  width: min(640px, 100%);
  margin: var(--space-8) auto;
  display: grid;
  gap: var(--space-3);
}

.settlement-first {
  border-color: rgba(6, 199, 85, 0.3);
}

.receipt-code {
  flex: 0 0 auto;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--color-surface-soft);
  color: var(--color-muted);
  font-size: 0.8rem;
  font-weight: 850;
}

.member-balance-card {
  grid-template-columns: minmax(0, 0.75fr) minmax(0, 1.2fr) auto;
  align-items: center;
}

.member-balance-status {
  min-width: 82px;
  display: inline-flex;
  justify-content: center;
  padding: 7px 10px;
  border-radius: 999px;
  font-size: 0.84rem;
  font-weight: 900;
}

.member-balance-status.is-positive {
  background: var(--color-primary-soft);
  color: #047857;
}

.member-balance-status.is-negative {
  background: var(--color-danger-soft);
  color: var(--color-danger);
}

.member-balance-status.is-zero {
  background: var(--color-surface);
  color: var(--color-muted);
}

@media (min-width: 981px) {
  .member-balance-card {
    grid-template-columns:
      minmax(150px, 1fr)
      minmax(132px, 0.74fr)
      minmax(132px, 0.74fr)
      minmax(150px, 0.82fr)
      minmax(128px, auto);
    gap: var(--space-4);
    padding: 14px 16px;
  }

  .member-balance-meta {
    display: contents;
  }

  .member-balance-meta span,
  .member-balance-status {
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
  }

  .member-balance-status {
    justify-self: end;
    min-width: 118px;
  }
}

.expense-details {
  padding: 0;
  overflow: hidden;
}

.expense-details summary {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  cursor: pointer;
  list-style: none;
}

.expense-details summary::-webkit-details-marker {
  display: none;
}

.expense-details summary span:first-child {
  display: grid;
  gap: 2px;
}

.expense-details summary small {
  color: var(--color-primary-dark);
  font-size: 0.72rem;
  font-weight: 900;
  text-transform: uppercase;
}

.expense-details summary strong {
  font-size: 1.12rem;
}

.expense-details summary > span:last-child {
  color: var(--color-muted);
  font-weight: 850;
}

.expense-result-list {
  padding: 0 var(--space-5) var(--space-5);
}

.expense-result-card {
  display: grid;
  gap: var(--space-3);
  padding: var(--space-4);
}

.expense-result-head p {
  margin: 3px 0 0;
  color: var(--color-muted);
  font-size: 0.88rem;
}

.expense-result-amount {
  flex: 0 0 auto;
  color: var(--color-primary-dark);
  font-weight: 950;
  white-space: nowrap;
}

.share-detail {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.share-detail span {
  padding: 6px 9px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-surface);
  color: #475467;
  font-size: 0.84rem;
  font-weight: 780;
}

.share-panel {
  display: grid;
  gap: var(--space-3);
}

.share-text {
  min-height: 180px;
  color: #344054;
}

.result-footer {
  margin-top: var(--space-6);
}

@media (max-width: 980px) {
  .split-intro,
  .split-shell,
  .notice-card,
  .result-hero-card {
    grid-template-columns: 1fr;
  }

  .split-intro {
    min-height: 0;
    padding-top: var(--space-4);
  }

  .desktop-preview-card {
    display: none;
  }

  .mobile-summary-card {
    display: block;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: var(--color-surface);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
  }

  .mobile-summary-card summary {
    min-height: 52px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    cursor: pointer;
    list-style: none;
  }

  .mobile-summary-card summary::-webkit-details-marker {
    display: none;
  }

  .mobile-summary-card summary span {
    color: var(--color-muted);
    font-size: 0.9rem;
    font-weight: 820;
  }

  .mobile-summary-card summary strong {
    color: var(--color-primary-dark);
    font-size: 1.08rem;
    font-weight: 950;
  }

  .live-preview-body {
    padding: 0 var(--space-4) var(--space-4);
  }

  .live-preview-panel {
    order: -1;
  }

  .member-balance-card {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 680px) {
  .invite-link-row {
    grid-template-columns: minmax(0, 1fr);
  }

  .invite-link-row .primary-button,
  .invite-link-row .secondary-button {
    width: 100%;
    justify-content: center;
  }

  .history-card .receipt-heading {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-4);
  }

  .history-card .receipt-heading .primary-button {
    width: 100%;
    min-height: 44px;
    justify-content: center;
    padding: 0 14px;
    white-space: nowrap;
  }

  .history-item-title {
    grid-template-columns: minmax(0, 1fr);
    align-items: start;
    gap: var(--space-2);
  }

  .history-badges {
    justify-content: flex-start;
  }

  .history-action-button {
    min-height: 30px;
    padding: 6px 10px;
    font-size: 0.76rem;
  }

  .line-login-prompt {
    align-items: stretch;
    flex-direction: column;
    gap: var(--space-3);
  }

  .line-login-button {
    width: 100%;
  }

  body {
    font-size: 15px;
  }

  body[data-page="builder"] {
    padding-bottom: calc(132px + env(safe-area-inset-bottom));
  }

  body[data-page="result"] {
    padding-bottom: calc(116px + env(safe-area-inset-bottom));
  }

  .app-header-inner,
  .split-app,
  .result-app,
  .footer-inner {
    width: min(100% - 24px, 1120px);
  }

  .app-header-inner {
    min-height: 56px;
    gap: var(--space-2);
  }

  .brand-mark {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-xs);
  }

  .brand-copy strong {
    font-size: 0.96rem;
  }

  .brand-copy span {
    font-size: 0.72rem;
  }

  .app-header-actions {
    gap: 6px;
  }

  .app-header-actions a {
    min-height: 34px;
    padding: 7px 9px;
    font-size: 0.82rem;
  }

  .split-app,
  .result-app {
    padding-top: var(--space-3);
  }

  .split-intro {
    display: none;
  }

  .split-shell,
  .receipt-shell {
    gap: var(--space-3);
  }

  .split-stepper {
    top: 56px;
    gap: 6px;
    padding: 10px;
  }

  .step-chip {
    min-height: 40px;
    padding: 7px 6px;
    font-size: 0.84rem;
  }

  .step-index {
    width: 20px;
    height: 20px;
  }

  .split-step-panel {
    padding: var(--space-4);
  }

  .section-heading {
    margin-bottom: var(--space-4);
  }

  .section-heading h2,
  .receipt-heading h2 {
    font-size: 1.18rem;
  }

  .member-row {
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: var(--space-2);
    padding: 10px;
  }

  .member-avatar {
    width: 34px;
    height: 34px;
  }

  .expense-card,
  .receipt-card,
  .result-hero-card,
  .empty-result-card,
  .notice-card {
    padding: var(--space-4);
  }

  .expense-fields,
  .preview-dashboard,
  .preview-dashboard.compact,
  .result-stat-grid,
  .balance-meta,
  .member-balance-meta,
  .intro-metrics {
    grid-template-columns: 1fr;
  }

  .payment-card {
    grid-template-columns: 1fr;
  }

  .result-title-head {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }

  .result-edit-button {
    position: static;
    width: 100%;
    min-height: 46px;
  }

  .payment-route {
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .payment-amount {
    justify-self: start;
    font-size: 1.24rem;
  }

  .bottom-action-inner {
    grid-template-columns: 1fr;
    gap: var(--space-2);
  }

  .bottom-action-inner p {
    font-size: 0.8rem;
  }

  .bottom-buttons {
    width: 100%;
    display: grid;
    grid-template-columns: 0.74fr 1.26fr;
    gap: var(--space-2);
  }

  .bottom-buttons .primary-button,
  .bottom-buttons .secondary-button {
    width: 100%;
    min-width: 0;
    min-height: 46px;
    padding-right: 10px;
    padding-left: 10px;
  }

  #nextStepButton:not([hidden]) {
    grid-column: 1 / -1;
  }

  #createResultButton:not([hidden]) {
    grid-column: auto;
  }

  .sticky-share-inner {
    width: min(100% - 24px, 1120px);
    display: grid;
    grid-template-columns: 0.78fr 1.22fr;
    gap: var(--space-2);
  }

  .sticky-share-inner .primary-button,
  .sticky-share-inner .secondary-button {
    width: 100%;
    min-width: 0;
    padding-right: 10px;
    padding-left: 10px;
  }

  .footer-inner {
    min-height: 90px;
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    padding: var(--space-4) 0;
  }

  .footer-links {
    justify-content: flex-start;
    gap: var(--space-2) var(--space-3);
  }
}

@media (max-width: 390px) {
  .app-header-inner,
  .split-app,
  .result-app,
  .footer-inner {
    width: min(100% - 20px, 1120px);
  }

  .split-step-panel,
  .expense-card,
  .receipt-card,
  .result-hero-card,
  .notice-card {
    padding: 14px;
  }

  .step-chip span:last-child {
    max-width: 42px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
}

/* Second pass layout tightening. */
.app-header {
  border-bottom-color: rgba(229, 231, 235, 0.92);
  box-shadow: none;
}

.app-header-actions a {
  min-height: 38px;
  padding: 7px 11px;
  border-radius: 12px;
  font-size: 0.86rem;
}

.split-app {
  padding-top: 28px;
}

.split-intro {
  min-height: 0;
  align-items: center;
  margin-bottom: 18px;
  padding: 0;
}

.intro-copy h1 {
  margin-bottom: 4px;
  font-size: clamp(1.75rem, 3vw, 2rem);
}

.intro-copy p:last-child {
  font-size: 0.9rem;
  font-weight: 560;
}

.intro-metrics div {
  padding: 10px 12px;
  border-radius: 14px;
}

.intro-metrics strong,
.preview-dashboard strong,
.result-stat-grid strong {
  font-size: 1rem;
}

.split-shell {
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 24px;
  align-items: start;
}

.wizard-panel {
  padding: 22px;
  border-radius: 22px;
  box-shadow: var(--shadow-sm);
}

.split-stepper {
  position: static;
  grid-template-columns: repeat(3, max-content);
  justify-content: start;
  gap: 8px;
  margin-bottom: 22px;
  padding: 0;
  border-bottom: 0;
  background: transparent;
  backdrop-filter: none;
}

.step-chip {
  min-height: 38px;
  padding: 0 14px;
  border-radius: 999px;
  background: #f8fafc;
  font-size: 0.88rem;
}

.step-index {
  width: 22px;
  height: 22px;
  font-size: 0.75rem;
}

.step-chip.is-active .step-index {
  background: #ffffff;
  color: var(--color-primary-dark);
}

.split-step-panel {
  padding: 0;
}

.section-heading {
  margin-bottom: 18px;
}

.section-heading h2,
.receipt-heading h2 {
  font-size: 1.25rem;
}

.section-heading p:not(.eyebrow),
.receipt-heading p {
  font-size: 0.88rem;
}

.field-group {
  gap: 6px;
}

.field-group > span,
.field-label {
  font-size: 0.82rem;
}

.field-group small {
  color: var(--color-subtle);
  font-size: 0.76rem;
}

input[type="text"],
input[type="number"],
select,
textarea {
  min-height: 44px;
  padding: 0 12px;
  border-radius: 12px;
}

textarea {
  padding-top: 10px;
  padding-bottom: 10px;
}

.subsection-heading {
  margin: 18px 0 10px;
}

.member-list {
  gap: 10px;
}

.member-row {
  grid-template-columns: 40px minmax(0, 1fr) 36px;
  gap: 12px;
  min-height: 68px;
  padding: 10px 12px;
  border-radius: 16px;
  background: #f8fafc;
}

.member-avatar {
  width: 36px;
  height: 36px;
  background: var(--color-primary-soft);
  color: var(--color-primary-dark);
  font-size: 0.82rem;
  font-weight: 760;
}

.payment-avatar {
  background: var(--color-primary-soft);
  color: var(--color-primary-dark);
}

.member-row .field-group {
  gap: 4px;
}

.member-row .field-group > span {
  color: var(--color-muted);
  font-size: 0.75rem;
  font-weight: 760;
}

.ghost-danger-button {
  width: 34px;
  height: 34px;
  min-height: 34px;
  border-radius: 999px;
  color: var(--color-subtle);
  font-size: 1.08rem;
  font-weight: 650;
}

.ghost-danger-button:hover,
.ghost-danger-button:focus-visible {
  background: var(--color-danger-soft);
  color: var(--color-danger);
}

.ghost-danger-button:disabled {
  background: transparent;
  color: #d0d5dd;
  opacity: 1;
}

.add-button {
  min-height: 44px;
  margin-top: 12px;
  border-radius: 14px;
}

.primary-soft-button.add-button,
.secondary-button.add-button {
  border-style: dashed;
  border-color: rgba(6, 199, 85, 0.34);
  background: #f0fbf4;
  color: var(--color-primary-dark);
}

.inline-message,
.form-message {
  margin-top: 12px;
  padding: 10px 12px;
  border-radius: 12px;
  font-size: 0.82rem;
}

.validation-summary {
  padding: 10px 12px;
  border-radius: 12px;
  font-size: 0.84rem;
}

.form-message {
  margin-right: 0;
  margin-left: 0;
}

.live-preview-panel {
  width: 100%;
  align-self: start;
}

.desktop-preview-card {
  top: 88px;
  padding: 18px;
  border-radius: 20px;
  box-shadow: var(--shadow-sm);
}

.section-heading.compact {
  margin-bottom: 14px;
}

.section-heading.compact h2 {
  font-size: 1.12rem;
}

.section-heading.compact p:not(.eyebrow) {
  font-size: 0.82rem;
}

.preview-dashboard {
  gap: 8px;
}

.preview-dashboard article {
  min-height: 58px;
  padding: 9px 10px;
  border-radius: 14px;
}

.preview-dashboard span {
  font-size: 0.72rem;
}

.preview-dashboard strong {
  font-size: 1rem;
}

.next-payment-card,
.empty-note {
  padding: 14px;
  border-radius: 14px;
  font-size: 0.86rem;
}

.desktop-preview-card .payment-card {
  grid-template-columns: 1fr;
  padding: 12px;
}

.desktop-preview-card .payment-route {
  flex-wrap: wrap;
}

.desktop-preview-card .payment-amount {
  justify-self: start;
  font-size: 1.05rem;
}

@media (min-width: 900px) {
  .app-header-inner {
    height: 64px;
    min-height: 64px;
  }

  .split-app,
  .result-app {
    width: min(1160px, 100%);
    padding-right: 24px;
    padding-left: 24px;
  }

  .intro-metrics {
    grid-template-columns: repeat(3, minmax(84px, 1fr));
  }

  .live-preview-panel {
    position: sticky;
    top: 88px;
  }
}

@media (max-width: 899px) {
  .split-shell {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .wizard-panel {
    padding: 16px;
  }

  .split-stepper {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 6px;
    margin-bottom: 18px;
  }

  .step-chip {
    min-height: 38px;
    padding: 0 8px;
    font-size: 0.82rem;
  }

  .member-row {
    grid-template-columns: 36px minmax(0, 1fr) 32px;
    gap: 10px;
    min-height: 66px;
    padding: 9px 10px;
  }

  .member-avatar {
    width: 34px;
    height: 34px;
  }

  .ghost-danger-button {
    width: 32px;
    height: 32px;
    min-height: 32px;
  }

  .mobile-summary-card {
    box-shadow: var(--shadow-sm);
  }
}

@media (max-width: 680px) {
  body[data-page="builder"] {
    padding-bottom: calc(140px + env(safe-area-inset-bottom));
  }

  .split-app,
  .result-app {
    width: min(100% - 24px, 1120px);
    padding-top: 12px;
  }

  .wizard-panel {
    border-radius: 20px;
  }

  .split-step-panel {
    padding: 0;
  }

  .expense-card {
    padding: 14px;
  }

  .notice-card {
    margin-top: 14px;
  }
}

/* Header and footer polish. Keep this block last so it wins older layout passes. */
html {
  min-height: 100%;
  background: var(--color-bg);
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

body[data-page="builder"],
body[data-page="result"] {
  padding-bottom: 0;
}

body > main {
  flex: 1 0 auto;
}

a {
  text-decoration: none;
}

.app-header {
  background: rgba(255, 255, 255, 0.98);
  border-bottom: 1px solid rgba(229, 231, 235, 0.96);
  box-shadow: 0 1px 0 rgba(16, 24, 40, 0.02);
}

.app-header-inner {
  min-height: 60px;
}

.app-brand {
  gap: 10px;
  color: inherit;
  text-decoration: none;
}

.app-brand:hover .brand-copy strong {
  color: var(--color-primary-dark);
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  font-size: 0.84rem;
  box-shadow: 0 5px 16px rgba(6, 199, 85, 0.18);
}

.brand-copy {
  gap: 1px;
}

.brand-copy strong {
  font-size: 0.96rem;
  font-weight: 850;
  letter-spacing: 0;
  text-decoration: none;
}

.brand-copy span {
  color: var(--color-muted);
  font-size: 0.72rem;
  font-weight: 650;
  text-decoration: none;
}

.app-header-actions a {
  min-height: 36px;
  padding: 7px 13px;
  border-radius: 999px;
  background: #ffffff;
  color: #344054;
  box-shadow: none;
  text-decoration: none;
}

.app-header-actions a:hover {
  border-color: rgba(6, 199, 85, 0.42);
  background: var(--color-primary-soft);
  color: var(--color-primary-dark);
}

.split-app {
  padding-bottom: calc(var(--space-6) + 104px + env(safe-area-inset-bottom));
}

.result-app {
  padding-bottom: calc(var(--space-6) + 96px + env(safe-area-inset-bottom));
}

.site-footer {
  flex: 0 0 auto;
  margin-top: auto;
  background: var(--color-surface);
}

body[data-page="builder"] .site-footer {
  padding-bottom: calc(104px + env(safe-area-inset-bottom));
}

body[data-page="result"] .site-footer {
  padding-bottom: calc(96px + env(safe-area-inset-bottom));
}

.footer-inner {
  min-height: 86px;
}

@media (min-width: 900px) {
  .app-header-inner {
    height: 60px;
    min-height: 60px;
  }
}

@media (max-width: 680px) {
  .app-header-inner {
    min-height: 54px;
  }

  .brand-mark {
    width: 32px;
    height: 32px;
  }

  .brand-copy strong {
    font-size: 0.92rem;
  }

  .brand-copy span {
    font-size: 0.68rem;
  }

  .app-header-actions a {
    min-height: 32px;
    padding: 6px 10px;
  }

  .split-app {
    padding-bottom: calc(var(--space-6) + 132px + env(safe-area-inset-bottom));
  }

  .result-app {
    padding-bottom: calc(var(--space-6) + 116px + env(safe-area-inset-bottom));
  }

  body[data-page="builder"] .site-footer {
    padding-bottom: calc(132px + env(safe-area-inset-bottom));
  }

  body[data-page="result"] .site-footer {
    padding-bottom: calc(116px + env(safe-area-inset-bottom));
  }
}

/* Footer v2: compact product footer, less empty whitespace. */
.site-footer {
  border-top: 1px solid rgba(229, 231, 235, 0.96);
  background: #ffffff;
  box-shadow: 0 -1px 0 rgba(16, 24, 40, 0.02);
}

.footer-inner {
  min-height: 64px;
  padding: 12px 0;
}

.footer-brand {
  position: relative;
  min-height: 34px;
  align-content: center;
  padding-left: 44px;
}

.footer-brand::before {
  content: "99";
  position: absolute;
  left: 0;
  top: 50%;
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: var(--color-primary-soft);
  color: var(--color-primary-dark);
  font-size: 0.78rem;
  font-weight: 900;
  transform: translateY(-50%);
}

.footer-brand strong {
  font-size: 0.84rem;
  font-weight: 850;
  line-height: 1.25;
}

.footer-brand span {
  color: var(--color-muted);
  font-size: 0.8rem;
  line-height: 1.25;
}

.footer-links {
  gap: 8px;
}

.footer-links a {
  min-height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 10px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-surface-soft);
  color: #475467;
  font-size: 0.82rem;
  font-weight: 750;
}

.footer-links a:hover {
  border-color: rgba(6, 199, 85, 0.38);
  background: var(--color-primary-soft);
  color: var(--color-primary-dark);
}

body[data-page="builder"] .site-footer,
body[data-page="result"] .site-footer {
  padding-bottom: calc(16px + env(safe-area-inset-bottom));
}

@media (max-width: 680px) {
  .footer-inner {
    min-height: auto;
    padding: 14px 0;
    gap: 12px;
  }

  .footer-brand {
    padding-left: 40px;
  }

  .footer-brand::before {
    width: 30px;
    height: 30px;
    border-radius: 9px;
  }

  .footer-links {
    gap: 8px;
  }

  .footer-links a {
    min-height: 30px;
    padding: 5px 9px;
    font-size: 0.78rem;
  }

  body[data-page="builder"] .site-footer,
  body[data-page="result"] .site-footer {
    padding-bottom: calc(18px + env(safe-area-inset-bottom));
  }
}

/* CTA placement fix: desktop is in-flow, mobile stays fixed without covering content. */
.split-app {
  padding-bottom: var(--space-5);
}

.bottom-action-bar {
  position: static;
  right: auto;
  bottom: auto;
  left: auto;
  z-index: auto;
  width: min(1160px, 100%);
  margin: 0 auto;
  padding: 0 24px 20px;
  border-top: 0;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
}

.bottom-action-inner {
  width: 100%;
  min-height: 66px;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow-sm);
}

body[data-page="builder"] .site-footer {
  padding-bottom: calc(16px + env(safe-area-inset-bottom));
}

@media (max-width: 680px) {
  .split-app {
    padding-bottom: calc(var(--space-6) + 132px + env(safe-area-inset-bottom));
  }

  .bottom-action-bar {
    position: fixed;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 50;
    width: 100%;
    margin: 0;
    padding: 10px 12px calc(10px + env(safe-area-inset-bottom));
    border-top: 1px solid rgba(208, 213, 221, 0.86);
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 -10px 26px rgba(16, 24, 40, 0.08);
    backdrop-filter: blur(16px);
  }

  .bottom-action-inner {
    width: min(100%, 1120px);
    min-height: auto;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
  }

  body[data-page="builder"] .site-footer {
    margin-bottom: calc(118px + env(safe-area-inset-bottom));
    padding-bottom: calc(18px + env(safe-area-inset-bottom));
  }
}

/* Simple footer and compact desktop action row. */
@media (min-width: 681px) {
  .bottom-action-bar {
    padding-bottom: 12px;
  }

  .bottom-action-inner {
    min-height: 52px;
    padding: 8px 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
  }

  .bottom-action-inner p {
    font-size: 0.84rem;
  }

  .bottom-buttons .primary-button,
  .bottom-buttons .secondary-button {
    min-height: 40px;
    min-width: 132px;
    padding: 9px 14px;
  }
}

.site-footer {
  border-top: 1px solid rgba(229, 231, 235, 0.8);
  background: #ffffff;
  box-shadow: none;
}

.footer-inner {
  min-height: 44px;
  justify-content: flex-start;
  padding: 8px 0;
}

.footer-brand {
  min-height: auto;
  padding-left: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 12px;
}

.footer-brand::before {
  display: none;
}

.footer-brand strong,
.footer-brand span {
  color: var(--color-muted);
  font-size: 0.76rem;
  font-weight: 650;
  line-height: 1.35;
}

.footer-links {
  display: none;
}

body[data-page="builder"] .site-footer,
body[data-page="result"] .site-footer {
  padding-bottom: calc(8px + env(safe-area-inset-bottom));
}

@media (max-width: 680px) {
  .footer-inner {
    min-height: auto;
    padding: 10px 0;
  }

  .footer-brand {
    display: grid;
    gap: 2px;
  }

  .footer-brand strong,
  .footer-brand span {
    font-size: 0.74rem;
  }

  body[data-page="builder"] .site-footer {
    margin-bottom: calc(118px + env(safe-area-inset-bottom));
    padding-bottom: calc(10px + env(safe-area-inset-bottom));
  }

  body[data-page="result"] .site-footer {
    padding-bottom: calc(10px + env(safe-area-inset-bottom));
  }
}

/* Compact mobile action bar: keep the secondary step button small and avoid two tall rows. */
@media (max-width: 680px) {
  body[data-page="builder"] {
    padding-bottom: calc(88px + env(safe-area-inset-bottom));
  }

  .split-app {
    padding-bottom: calc(var(--space-5) + 92px + env(safe-area-inset-bottom));
  }

  .bottom-action-bar {
    padding: 7px 10px calc(7px + env(safe-area-inset-bottom));
  }

  .bottom-action-inner {
    gap: 6px;
  }

  .bottom-action-inner p {
    margin: 0;
    font-size: 0.76rem;
    line-height: 1.25;
  }

  .bottom-buttons {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 8px;
  }

  .bottom-buttons .primary-button,
  .bottom-buttons .secondary-button {
    min-height: 42px;
    padding: 8px 12px;
    border-radius: 12px;
    font-size: 0.92rem;
    line-height: 1.2;
  }

  .bottom-buttons .primary-button {
    flex: 1 1 auto;
    min-width: 0;
  }

  .bottom-buttons .secondary-button {
    flex: 0 0 auto;
    width: auto;
    min-width: 72px;
  }

  #nextStepButton:not([hidden]),
  #createResultButton:not([hidden]) {
    grid-column: auto;
    width: auto;
  }

  body[data-page="builder"] .site-footer {
    margin-bottom: calc(88px + env(safe-area-inset-bottom));
  }
}

/* Live preview overflow guard: keep the builder preview usable in LIFF and narrow viewports. */
body[data-page="builder"] .split-app,
body[data-page="builder"] .split-shell,
body[data-page="builder"] .wizard-panel,
body[data-page="builder"] .live-preview-panel,
body[data-page="builder"] .desktop-preview-card,
body[data-page="builder"] .mobile-summary-card,
body[data-page="builder"] .live-preview-body,
body[data-page="builder"] .preview-dashboard,
body[data-page="builder"] .next-payment-card,
body[data-page="builder"] .payment-card,
body[data-page="builder"] .payment-route,
body[data-page="builder"] .payment-party {
  min-width: 0;
  max-width: 100%;
}

@media (min-width: 900px) {
  body[data-page="builder"] .split-shell {
    grid-template-columns: minmax(0, 1fr) minmax(320px, 360px);
  }

  body[data-page="builder"] .live-preview-panel {
    width: 100%;
    min-width: 320px;
  }

  body[data-page="builder"] .desktop-preview-card {
    display: block;
  }

  body[data-page="builder"] .mobile-summary-card {
    display: none;
  }
}

@media (max-width: 899px) {
  body[data-page="builder"] .split-shell {
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
  }

  body[data-page="builder"] .live-preview-panel {
    position: static;
    top: auto;
    order: -1;
    width: 100%;
    min-width: 0;
  }

  body[data-page="builder"] .desktop-preview-card {
    display: none !important;
  }

  body[data-page="builder"] .mobile-summary-card {
    display: block;
    width: 100%;
  }

  body[data-page="builder"] .mobile-summary-card summary {
    min-width: 0;
  }

  body[data-page="builder"] .mobile-summary-card summary span,
  body[data-page="builder"] .mobile-summary-card summary strong {
    min-width: 0;
    overflow-wrap: anywhere;
  }

  body[data-page="builder"] .preview-dashboard,
  body[data-page="builder"] .preview-dashboard.compact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  body[data-page="builder"] .payment-card {
    grid-template-columns: minmax(0, 1fr);
    width: 100%;
  }

  body[data-page="builder"] .payment-route {
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 8px;
  }

  body[data-page="builder"] .payment-party {
    flex: 1 1 112px;
  }

  body[data-page="builder"] .payment-party strong {
    overflow-wrap: anywhere;
    word-break: break-word;
  }

  body[data-page="builder"] .payment-amount {
    justify-self: start;
    white-space: normal;
    overflow-wrap: anywhere;
  }
}

@media (max-width: 640px) {
  body[data-page="builder"] .preview-dashboard,
  body[data-page="builder"] .preview-dashboard.compact {
    grid-template-columns: minmax(0, 1fr);
  }

  body[data-page="builder"] .payment-party {
    flex: 1 1 96px;
  }
}

/* 99appworks navigation/footer unification. Keep this last to avoid older layout overrides. */
.app-header-inner {
  flex-wrap: wrap;
  gap: 10px 16px;
}

.app-brand {
  min-width: 0;
}

.app-header-actions {
  min-width: 0;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 8px;
}

.app-header-actions a[aria-current="page"] {
  border-color: rgba(6, 199, 85, 0.28);
  background: var(--color-primary-soft);
  color: var(--color-primary-dark);
}

.site-footer .footer-inner {
  justify-content: space-between;
  gap: 12px 18px;
}

.site-footer .footer-links {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 8px;
}

.site-footer .footer-links a {
  min-height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 5px 10px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-surface-soft);
  color: #475467;
  font-size: 0.78rem;
  font-weight: 750;
  text-decoration: none;
}

.site-footer .footer-links a:hover {
  border-color: rgba(6, 199, 85, 0.38);
  background: var(--color-primary-soft);
  color: var(--color-primary-dark);
}

@media (max-width: 680px) {
  .app-header-inner {
    align-items: flex-start;
    justify-content: flex-start;
    flex-direction: column;
    gap: 10px;
    padding: 10px 0;
  }

  .app-header-actions {
    width: 100%;
    justify-content: flex-start;
    gap: 8px;
  }

  .app-header-actions a {
    min-height: 32px;
    padding: 6px 9px;
    font-size: 0.82rem;
  }

  .site-footer .footer-inner {
    align-items: flex-start;
    justify-content: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  .site-footer .footer-links {
    justify-content: flex-start;
  }
}