/* ====================================
   立替帳 - Stylesheet
   ==================================== */

/* ---- Design tokens ---- */
:root {
  /* Brand: deep forest green = trust, calm, money. Accent: warm copper */
  --color-bg: #f7f5f0;
  --color-surface: #ffffff;
  --color-surface-elev: #fdfcf8;
  --color-ink: #1a1a1a;
  --color-ink-soft: #5a5a5a;
  --color-ink-mute: #9a9a9a;
  --color-line: #e8e3d8;
  --color-line-soft: #f0ebe0;

  --color-brand: #1a4d3a;
  --color-brand-soft: #f0f5f1;
  --color-brand-deep: #0f3526;

  --color-accent: #b8602b;
  --color-accent-soft: #fdf2e8;

  --color-billed: #b8602b;
  --color-billed-soft: #fdf2e8;

  --shadow-sm: 0 1px 2px rgba(26, 77, 58, 0.04);
  --shadow-md: 0 4px 16px rgba(26, 77, 58, 0.08);
  --shadow-lg: 0 12px 40px rgba(26, 77, 58, 0.16);

  --font-display: 'Hiragino Mincho ProN', 'Yu Mincho', serif;
  --font-body: -apple-system, BlinkMacSystemFont, 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', sans-serif;
  --font-num: 'SF Mono', 'Menlo', 'Hiragino Sans', monospace;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-pill: 999px;

  --t-fast: 120ms ease;
  --t-base: 200ms ease;
}

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overscroll-behavior-y: contain;
}

body {
  min-height: 100vh;
  min-height: 100dvh;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  padding: 0;
  color: inherit;
}

input {
  font-family: inherit;
}

/* ---- View management ---- */
.view {
  display: none;
  min-height: 100vh;
  min-height: 100dvh;
  padding-bottom: env(safe-area-inset-bottom, 0);
}
.view.active {
  display: block;
  animation: viewIn 220ms ease;
}
@keyframes viewIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* =====================================
   HOME VIEW
   ===================================== */
.home-header {
  background: linear-gradient(180deg, var(--color-brand) 0%, var(--color-brand-deep) 100%);
  color: #fff;
  padding: calc(env(safe-area-inset-top, 0) + 32px) 24px 36px;
  border-radius: 0 0 28px 28px;
  position: relative;
  overflow: hidden;
}
.btn-help-open {
  position: absolute;
  top: calc(env(safe-area-inset-top, 0) + 12px);
  right: 16px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(255,255,255,0.12);
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  border: 0;
  cursor: pointer;
  z-index: 1;
}
.btn-help-open:active {
  background: rgba(255,255,255,0.24);
}

.home-header::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -20%;
  width: 70%;
  height: 180%;
  background: radial-gradient(ellipse, rgba(255,255,255,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.month-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  margin: 0 0 4px;
}
.month-nav-btn {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: rgba(255, 255, 255, 0.85);
  border-radius: 50%;
  transition: background var(--t-fast), opacity var(--t-fast);
  font-weight: 300;
  line-height: 1;
}
.month-nav-btn:active {
  background: rgba(255, 255, 255, 0.18);
}
.month-nav-btn:disabled {
  opacity: 0.25;
  pointer-events: none;
}

.month-label-btn {
  background: transparent;
  border: none;
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  transition: background var(--t-fast);
  cursor: pointer;
  min-width: 110px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}
.month-label-btn:active {
  background: rgba(255, 255, 255, 0.18);
}
.month-label-btn::after {
  content: '▾';
  font-size: 11px;
  color: rgba(255, 255, 255, 0.7);
  margin-left: 2px;
}

#month-label,
.month-label {
  margin: 0;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: #fff;
  text-align: center;
}

.btn-today {
  display: none;
  margin: 4px auto 12px;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  font-size: 12px;
  padding: 5px 14px;
  border-radius: var(--radius-pill);
  letter-spacing: 0.04em;
  transition: background var(--t-fast);
}
.btn-today.show {
  display: block;
}
.btn-today:active {
  background: rgba(255, 255, 255, 0.22);
}

.amount-caption {
  margin: 0 0 6px;
  font-size: 13px;
  opacity: 0.7;
  letter-spacing: 0.04em;
}

.amount-display {
  margin: 0 0 20px;
  font-family: var(--font-num);
  font-size: 48px;
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 1.05;
}

.btn-copy {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
  padding: 10px 18px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 500;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: background var(--t-fast), transform var(--t-fast);
}
.btn-copy:active {
  background: rgba(255, 255, 255, 0.24);
  transform: scale(0.97);
}
.btn-copy-icon {
  font-size: 16px;
  line-height: 1;
}

/* Receipts section */
.receipts-section {
  padding: 28px 20px 100px;
}

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 0 4px;
  margin-bottom: 14px;
}

.section-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  color: var(--color-ink);
  letter-spacing: 0.02em;
}

.receipts-count {
  font-size: 13px;
  color: var(--color-ink-mute);
  font-variant-numeric: tabular-nums;
}

.receipt-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.receipt-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-line-soft);
  transition: transform var(--t-fast), box-shadow var(--t-fast);
  position: relative;
}
.receipt-card:active {
  transform: scale(0.99);
  box-shadow: var(--shadow-md);
}

.receipt-card-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 6px;
}
.receipt-card-date {
  font-family: var(--font-num);
  font-size: 13px;
  color: var(--color-ink-soft);
  font-variant-numeric: tabular-nums;
}
.receipt-card-store {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-ink);
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  text-align: right;
}
.receipt-card-billed {
  font-family: var(--font-num);
  font-size: 18px;
  font-weight: 500;
  color: var(--color-billed);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}
.receipt-card-meta {
  font-size: 12px;
  color: var(--color-ink-mute);
  margin-top: 2px;
}

.empty-state {
  text-align: center;
  color: var(--color-ink-mute);
  font-size: 14px;
  padding: 40px 20px;
  display: none;
}
.empty-state.show {
  display: block;
}

/* Floating action button */
.fab {
  position: fixed;
  right: 20px;
  bottom: calc(env(safe-area-inset-bottom, 0) + 24px);
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--color-brand);
  color: #fff;
  box-shadow: 0 8px 24px rgba(26, 77, 58, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
  transition: transform var(--t-fast), box-shadow var(--t-base);
}
.fab:active {
  transform: scale(0.92);
  box-shadow: 0 4px 14px rgba(26, 77, 58, 0.4);
}
.fab-plus {
  font-size: 28px;
  font-weight: 200;
  line-height: 1;
  margin-top: -2px;
}

/* Camera FAB sits to the left of the + FAB, copper accent */
.fab-camera {
  right: 92px;
  background: var(--color-accent);
  box-shadow: 0 8px 24px rgba(184, 96, 43, 0.4);
}
.fab-camera:active {
  box-shadow: 0 4px 14px rgba(184, 96, 43, 0.4);
}
.fab-camera-icon {
  font-size: 22px;
  line-height: 1;
}

/* Receipt thumbnail in form */
.receipt-image-section {
  margin-bottom: 16px;
  display: flex;
  justify-content: center;
}
.receipt-thumb {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 6px;
  cursor: zoom-in;
  box-shadow: var(--shadow-sm);
  max-width: 200px;
}
.receipt-thumb img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 240px;
  object-fit: contain;
  border-radius: var(--radius-sm);
}

/* Lightbox for full-size receipt */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.92);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 300;
  padding: 20px;
}
.lightbox.show { display: flex; }
.lightbox img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}
.lightbox-close {
  position: absolute;
  top: calc(env(safe-area-inset-top, 0) + 12px);
  right: 16px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
  color: #fff;
  font-size: 24px;
  border: 0;
  cursor: pointer;
}

/* OCR loading overlay */
.ocr-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 53, 38, 0.5);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 200;
}
.ocr-overlay.show {
  display: flex;
}
.ocr-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  box-shadow: var(--shadow-lg);
  min-width: 220px;
}
.ocr-spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--color-line);
  border-top-color: var(--color-brand);
  border-radius: 50%;
  animation: ocr-spin 0.9s linear infinite;
}
@keyframes ocr-spin {
  to { transform: rotate(360deg); }
}
.ocr-message {
  margin: 0;
  font-size: 14px;
  color: var(--color-ink-soft);
}

/* =====================================
   HELP VIEW
   ===================================== */
.form-header-spacer {
  margin-left: auto;
  width: 40px;
}
.help-body {
  padding: 16px 20px calc(env(safe-area-inset-bottom, 0) + 32px);
  max-width: 720px;
  margin: 0 auto;
}
.help-section {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  margin-bottom: 12px;
  box-shadow: var(--shadow-sm);
}
.help-title {
  margin: 0 0 8px;
  font-size: 15px;
  font-family: var(--font-display);
  color: var(--color-brand);
}
.help-section p {
  margin: 0 0 8px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-ink);
}
.help-section p:last-child {
  margin-bottom: 0;
}
.help-list {
  margin: 4px 0 0;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.7;
}
.help-list li {
  margin-bottom: 4px;
}
.help-section b {
  color: var(--color-brand);
  font-weight: 600;
}

/* =====================================
   FORM VIEW
   ===================================== */
.form-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: calc(env(safe-area-inset-top, 0) + 12px) 16px 12px;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-line);
  position: sticky;
  top: 0;
  z-index: 20;
}
.btn-back {
  width: 40px;
  height: 40px;
  font-size: 22px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-ink);
  transition: background var(--t-fast);
}
.btn-back:active {
  background: var(--color-line-soft);
}
.form-title {
  flex: 1;
  margin: 0;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  text-align: center;
}
.btn-save {
  background: var(--color-brand);
  color: #fff;
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 600;
  transition: opacity var(--t-fast), transform var(--t-fast);
}
.btn-save:active {
  transform: scale(0.95);
}
.btn-save:disabled {
  opacity: 0.4;
  pointer-events: none;
}

.form-body {
  padding: 20px 16px 40px;
}

.field {
  margin-bottom: 16px;
}
.field-label {
  display: block;
  font-size: 12px;
  color: var(--color-ink-soft);
  font-weight: 500;
  letter-spacing: 0.04em;
  margin-bottom: 6px;
  padding-left: 4px;
}
.field-input {
  width: 100%;
  padding: 14px 16px;
  font-size: 16px;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  color: var(--color-ink);
  transition: border-color var(--t-fast);
}
.field-input:focus {
  outline: none;
  border-color: var(--color-brand);
}

/* Items section */
.items-section {
  margin-top: 24px;
}
.items-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 12px;
  padding: 0 4px;
}
.items-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
}
.items-hint {
  margin: 0;
  font-size: 11px;
  color: var(--color-ink-mute);
}

.item-list {
  list-style: none;
  margin: 0 0 12px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.item-row {
  display: grid;
  grid-template-columns: auto 1fr 100px 16px auto;
  align-items: center;
  gap: 8px;
  padding: 10px 10px 10px 6px;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  transition: border-color var(--t-fast), background var(--t-fast);
}
.item-row.is-billed {
  border-color: var(--color-billed);
  background: var(--color-billed-soft);
}

.item-toggle {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid var(--color-line);
  background: var(--color-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: transparent;
  transition: all var(--t-fast);
  flex-shrink: 0;
  margin-left: 4px;
}
.item-row.is-billed .item-toggle {
  background: var(--color-billed);
  border-color: var(--color-billed);
  color: #fff;
}

.item-name {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: 8px;
  font-size: 15px;
  padding: 8px 10px;
  color: var(--color-ink);
  min-width: 0;
  transition: border-color var(--t-fast);
}
.item-row.is-billed .item-name {
  background: #fff;
  border-color: rgba(184, 96, 43, 0.3);
}
.item-name:focus {
  outline: none;
  border-color: var(--color-brand);
}
.item-name::placeholder {
  color: var(--color-ink-mute);
}

.item-amount {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: 8px;
  font-family: var(--font-num);
  font-size: 16px;
  text-align: right;
  padding: 8px 10px;
  color: var(--color-ink);
  font-variant-numeric: tabular-nums;
  min-width: 0;
  transition: border-color var(--t-fast);
}
.item-row.is-billed .item-amount {
  background: #fff;
  border-color: rgba(184, 96, 43, 0.3);
}
.item-amount:focus {
  outline: none;
  border-color: var(--color-brand);
}
.item-amount::placeholder {
  color: var(--color-ink-mute);
}

/* Spacer column between amount and remove button */
.item-spacer {
  width: 16px;
  height: 1px;
}

.item-remove {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: #d94f4f;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 600;
  line-height: 1;
  transition: background var(--t-fast), transform var(--t-fast);
  flex-shrink: 0;
  box-shadow: 0 1px 2px rgba(217, 79, 79, 0.3);
}
.item-remove:active {
  background: #b83838;
  transform: scale(0.9);
}

.btn-add-item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 14px;
  background: transparent;
  border: 1.5px dashed var(--color-line);
  border-radius: var(--radius-md);
  color: var(--color-ink-soft);
  font-size: 14px;
  font-weight: 500;
  transition: all var(--t-fast);
}
.btn-add-item:active {
  background: var(--color-brand-soft);
  border-color: var(--color-brand);
  color: var(--color-brand);
}
.btn-add-item-plus {
  font-size: 18px;
  font-weight: 300;
  line-height: 1;
}

/* Totals */
.totals {
  margin-top: 28px;
  padding: 18px 20px;
  background: var(--color-surface-elev);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
}
.totals-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 4px 0;
}
.totals-label {
  font-size: 13px;
  color: var(--color-ink-soft);
}
.totals-value {
  font-family: var(--font-num);
  font-size: 16px;
  font-variant-numeric: tabular-nums;
  color: var(--color-ink);
}
.totals-row-billed {
  margin-top: 4px;
  padding-top: 12px;
  border-top: 1px dashed var(--color-line);
}
.totals-row-billed .totals-label {
  color: var(--color-billed);
  font-weight: 600;
}
.totals-row-billed .totals-value {
  color: var(--color-billed);
  font-size: 22px;
  font-weight: 500;
}

/* =====================================
   TOAST
   ===================================== */
.toast {
  position: fixed;
  bottom: calc(env(safe-area-inset-bottom, 0) + 90px);
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--color-ink);
  color: #fff;
  padding: 10px 20px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--t-base), transform var(--t-base);
  z-index: 100;
  box-shadow: var(--shadow-lg);
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* =====================================
   ROW DELETE (swipe-to-delete on receipt list - simple version)
   ===================================== */
.receipt-card-actions {
  display: none;
}

/* =====================================
   DANGER ZONE (delete button on form)
   ===================================== */
.danger-zone {
  margin-top: 36px;
  padding-top: 20px;
  border-top: 1px solid var(--color-line);
  display: none;
  flex-direction: column;
  gap: 10px;
}
.danger-zone.show {
  display: flex;
}

.btn-change-billing {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 14px 16px;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  color: var(--color-ink);
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  text-align: left;
  transition: all var(--t-fast);
}
.btn-change-billing:active {
  background: var(--color-brand-soft);
  border-color: var(--color-brand);
  transform: scale(0.99);
}
.btn-change-billing-icon {
  font-size: 16px;
  line-height: 1;
}
.btn-change-billing-current {
  font-family: var(--font-num);
  font-size: 13px;
  color: var(--color-brand);
  font-weight: 600;
  padding: 4px 10px;
  background: var(--color-brand-soft);
  border-radius: var(--radius-pill);
  white-space: nowrap;
}
.btn-delete {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 14px;
  background: transparent;
  border: 1.5px solid #d94f4f;
  color: #d94f4f;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 600;
  transition: all var(--t-fast);
}
.btn-delete:active {
  background: #d94f4f;
  color: #fff;
  transform: scale(0.98);
}
.btn-delete-icon {
  font-size: 16px;
  line-height: 1;
}

/* =====================================
   CONFIRM DIALOG
   ===================================== */
.dialog-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  animation: dialogFade var(--t-base);
}
.dialog-overlay.show {
  display: flex;
}
@keyframes dialogFade {
  from { opacity: 0; }
  to { opacity: 1; }
}
.dialog {
  background: var(--color-surface);
  border-radius: 18px;
  padding: 24px 22px 18px;
  max-width: 320px;
  width: 100%;
  box-shadow: var(--shadow-lg);
  animation: dialogPop 220ms ease;
}
@keyframes dialogPop {
  from { opacity: 0; transform: scale(0.92); }
  to   { opacity: 1; transform: scale(1); }
}
.dialog-title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  color: var(--color-ink);
}
.dialog-body {
  margin: 0 0 22px;
  font-size: 13px;
  color: var(--color-ink-soft);
  line-height: 1.5;
}
.dialog-actions {
  display: flex;
  gap: 10px;
}
.dialog-actions-stack {
  flex-direction: column;
}
.dialog-btn {
  flex: 1;
  padding: 12px;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-pill);
  transition: all var(--t-fast);
}
.dialog-btn-cancel {
  background: var(--color-line-soft);
  color: var(--color-ink);
}
.dialog-btn-cancel:active {
  background: var(--color-line);
}
.dialog-btn-confirm {
  background: #d94f4f;
  color: #fff;
}
.dialog-btn-confirm:active {
  background: #b83838;
  transform: scale(0.97);
}

.dialog-btn-primary {
  background: var(--color-brand);
  color: #fff;
}
.dialog-btn-primary:active {
  background: var(--color-brand-deep);
  transform: scale(0.97);
}

/* Billing month picker */
.billing-picker {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 22px;
  padding: 16px;
  background: var(--color-surface-elev);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-line);
}
.billing-picker-row {
  display: grid;
  grid-template-columns: 50px 1fr;
  align-items: center;
  gap: 12px;
}
.billing-picker-label {
  font-size: 13px;
  color: var(--color-ink-soft);
  font-weight: 500;
}
.billing-picker-select {
  padding: 12px 14px;
  font-size: 16px;
  font-family: var(--font-num);
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: 10px;
  color: var(--color-ink);
  font-variant-numeric: tabular-nums;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3e%3cpath fill='%235a5a5a' d='M6 8L0 0h12z'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-size: 10px;
  padding-right: 36px;
}
.billing-picker-select:focus {
  outline: none;
  border-color: var(--color-brand);
}