/* ─────────────────────────────────────────────
   土增稅神器 — 線上版樣式
   Design tokens ensure light/dark parity
   ───────────────────────────────────────────── */

:root {
  --brand: #2c76f5;
  --brand-soft: #e9f1ff;
  --brand-ink: #0b3a9c;

  --bg: #f2f1f2;
  --surface: #ffffff;
  --surface-2: #f7f7f9;
  --ink: #212121;
  --ink-soft: #5a5a63;
  --ink-faint: #8b8b95;
  --border: #e4e4ea;
  --border-strong: #c8c9d1;

  --success: #0f9d58;
  --warn: #f4a100;
  --error: #fc5151;

  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 18px;
  --shadow-sm: 0 1px 2px rgba(15, 20, 30, .05), 0 1px 3px rgba(15, 20, 30, .04);
  --shadow-md: 0 4px 12px rgba(15, 20, 30, .08), 0 2px 4px rgba(15, 20, 30, .04);
  --shadow-lg: 0 12px 32px rgba(15, 20, 30, .12);

  --font-sans: -apple-system, BlinkMacSystemFont, "Noto Sans TC", "Noto Sans CJK TC", "PingFang TC", "Microsoft JhengHei", system-ui, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

:root[data-theme="dark"] {
  --brand: #51a1fc;
  --brand-soft: #122140;
  --brand-ink: #a8c9ff;

  --bg: #0f1117;
  --surface: #181a22;
  --surface-2: #20232d;
  --ink: #f2f4f7;
  --ink-soft: #b2b5bd;
  --ink-faint: #6d7079;
  --border: #2a2d38;
  --border-strong: #3d414f;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, .35);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, .40);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, .55);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --brand: #51a1fc; --brand-soft: #122140; --brand-ink: #a8c9ff;
    --bg: #0f1117; --surface: #181a22; --surface-2: #20232d;
    --ink: #f2f4f7; --ink-soft: #b2b5bd; --ink-faint: #6d7079;
    --border: #2a2d38; --border-strong: #3d414f;
    --shadow-sm: 0 1px 2px rgba(0,0,0,.35);
    --shadow-md: 0 4px 12px rgba(0,0,0,.40);
    --shadow-lg: 0 12px 32px rgba(0,0,0,.55);
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--bg);
  min-height: 100dvh;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  display: flex;
  flex-direction: column;
}

a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ── Header ────────────────────────── */
.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: saturate(180%) blur(8px);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
}
.brand:hover { text-decoration: none; }
.brand-mark {
  color: var(--brand);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.brand-text strong {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: .02em;
}
.brand-text em {
  font-size: .72rem;
  font-style: normal;
  color: var(--ink-faint);
  letter-spacing: .04em;
}
.header-actions { display: flex; gap: 8px; }
.icon-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--ink);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: .85rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: background .15s, border-color .15s, color .15s;
}
.icon-btn:hover { background: var(--surface-2); border-color: var(--border-strong); }
.icon-btn .icon-sun { display: none; }
:root[data-theme="dark"] .icon-btn .icon-moon { display: none; }
:root[data-theme="dark"] .icon-btn .icon-sun { display: inline; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) .icon-btn .icon-moon { display: none; }
  :root:not([data-theme]) .icon-btn .icon-sun { display: inline; }
}

/* ── Main layout ────────────────────── */
.main-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  gap: 20px;
  padding-top: 24px;
  padding-bottom: 24px;
  align-items: start;
}
.main-grid .history-panel { grid-column: 1 / -1; }

@media (max-width: 880px) {
  .main-grid {
    grid-template-columns: 1fr;
  }
}

/* ── Panels ────────────────────────── */
.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  border-bottom: 1px solid var(--border);
}
.panel-head h2 {
  margin: 0;
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: .02em;
}
.panel-actions { display: flex; gap: 8px; flex-wrap: wrap; }

form {
  padding: 20px 22px 22px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

/* ── Fields ────────────────────────── */
.field-group {
  border: 0;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.field-group legend {
  grid-column: 1 / -1;
  padding: 0;
  margin: 0 0 4px 0;
  font-size: .82rem;
  font-weight: 600;
  color: var(--ink-soft);
  letter-spacing: .02em;
}
.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}
.field label {
  font-size: .82rem;
  font-weight: 600;
  color: var(--ink-soft);
}
.field label .unit {
  font-style: normal;
  font-weight: 500;
  color: var(--ink-faint);
  font-size: .75rem;
  margin-left: 4px;
}
.field input[type="number"],
.field input[type="text"],
.field input[type="date"] {
  width: 100%;
  height: 42px;
  padding: 0 12px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  color: var(--ink);
  font-size: 1rem;
  font-family: inherit;
  transition: border-color .15s, background .15s;
  -moz-appearance: textfield;
}
.field input::-webkit-outer-spin-button,
.field input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
.field input:focus {
  outline: none;
  border-color: var(--brand);
  background: var(--surface);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--brand) 18%, transparent);
}
.field input:invalid:not(:placeholder-shown):not(:focus) {
  border-color: var(--error);
}

/* ── Segmented control ────────────── */
.segmented {
  display: inline-flex;
  background: var(--surface-2);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 3px;
  height: 42px;
  width: 100%;
}
.segmented input { display: none; }
.segmented label {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: calc(var(--radius-sm) - 3px);
  cursor: pointer;
  font-weight: 500;
  font-size: .9rem;
  color: var(--ink-soft);
  user-select: none;
  transition: background .15s, color .15s;
}
.segmented input:checked + label {
  background: var(--surface);
  color: var(--brand);
  font-weight: 700;
  box-shadow: var(--shadow-sm);
}
:root[data-theme="dark"] .segmented input:checked + label {
  background: var(--brand-soft);
}

/* ── Advanced details ────────────── */
details.advanced {
  border-top: 1px dashed var(--border);
  padding-top: 14px;
}
details.advanced[open] { padding-bottom: 6px; }
details.advanced summary {
  font-size: .85rem;
  font-weight: 600;
  color: var(--ink-soft);
  cursor: pointer;
  list-style: none;
  padding: 4px 0;
}
details.advanced summary::-webkit-details-marker { display: none; }
details.advanced summary::before {
  content: "▸";
  display: inline-block;
  margin-right: 6px;
  transition: transform .15s;
}
details.advanced[open] summary::before { transform: rotate(90deg); }
details.advanced .field { margin-top: 12px; }

/* ── Buttons ───────────────────────── */
.form-actions {
  display: flex;
  justify-content: flex-end;
}
.btn-primary {
  background: var(--brand);
  color: #fff;
  border: 0;
  padding: 0 28px;
  height: 46px;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  letter-spacing: .06em;
  transition: background .15s, transform .05s;
  box-shadow: var(--shadow-sm);
  width: 100%;
}
.btn-primary:hover { background: var(--brand-ink); }
.btn-primary:active { transform: scale(0.99); }
.btn-primary:disabled { background: var(--ink-faint); cursor: not-allowed; }

.btn-ghost {
  background: transparent;
  color: var(--brand);
  border: 1.5px solid var(--brand);
  padding: 6px 14px;
  border-radius: 999px;
  font-size: .8rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: background .15s, color .15s;
}
.btn-ghost:hover { background: var(--brand); color: #fff; }
.btn-ghost:disabled {
  border-color: var(--border);
  color: var(--ink-faint);
  cursor: not-allowed;
  background: transparent;
}

.form-error {
  background: color-mix(in srgb, var(--error) 15%, transparent);
  border: 1px solid color-mix(in srgb, var(--error) 40%, transparent);
  color: var(--error);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: .85rem;
  font-weight: 500;
}

/* ── Result panel ──────────────────── */
.result-empty {
  padding: 44px 22px 48px;
  text-align: center;
  color: var(--ink-faint);
  font-size: .95rem;
}

#result-body {
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.result-headline {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
@media (max-width: 560px) {
  .result-headline { grid-template-columns: 1fr; }
}
.big-card {
  border-radius: var(--radius);
  padding: 18px 20px;
  border: 1.5px solid var(--border);
  background: var(--surface-2);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.big-card--self {
  background: color-mix(in srgb, var(--brand) 10%, var(--surface));
  border-color: color-mix(in srgb, var(--brand) 40%, var(--border));
}
.big-card--normal {
  background: color-mix(in srgb, var(--brand) 3%, var(--surface-2));
}
.big-label {
  font-size: .78rem;
  font-weight: 600;
  color: var(--ink-soft);
  letter-spacing: .04em;
}
.big-value {
  font-size: clamp(1.6rem, 3.4vw, 2rem);
  font-weight: 700;
  color: var(--brand);
  font-variant-numeric: tabular-nums;
  letter-spacing: -.01em;
  line-height: 1.2;
  word-break: break-all;
}
.big-note {
  font-size: .72rem;
  color: var(--ink-faint);
  line-height: 1.4;
}

.meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 10px;
}
.meta-grid > div {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.meta-grid span {
  font-size: .72rem;
  color: var(--ink-faint);
  font-weight: 500;
}
.meta-grid strong {
  font-size: .98rem;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  word-break: break-all;
}

.breakdown summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--brand);
  padding: 8px 0;
  font-size: .9rem;
}
.breakdown table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 8px;
  font-size: .88rem;
}
.breakdown th, .breakdown td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
}
.breakdown th {
  background: var(--surface-2);
  color: var(--ink-soft);
  font-weight: 600;
  font-size: .78rem;
  letter-spacing: .04em;
}
.breakdown td:last-child, .breakdown th:last-child { text-align: right; font-variant-numeric: tabular-nums; }
.breakdown tr.highlight td {
  background: color-mix(in srgb, var(--brand) 14%, transparent);
  font-weight: 700;
}

.warnings {
  background: color-mix(in srgb, var(--warn) 15%, transparent);
  border: 1px solid color-mix(in srgb, var(--warn) 40%, transparent);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  color: color-mix(in srgb, var(--warn) 85%, var(--ink));
  font-size: .82rem;
}
.warnings ul { margin: 0; padding-left: 18px; }

/* ── History ────────────────────────── */
.history-list {
  list-style: none;
  margin: 0;
  padding: 8px 22px 6px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.history-list li.item {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 12px;
  align-items: center;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  font-size: .9rem;
}
.history-list li.item .hist-meta {
  font-size: .72rem;
  color: var(--ink-faint);
  margin-top: 2px;
}
.history-list li.item .hist-amount {
  font-weight: 700;
  color: var(--brand);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.history-list li.item button {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--ink-soft);
  padding: 4px 10px;
  border-radius: 6px;
  cursor: pointer;
  font-size: .75rem;
}
.history-list li.item button:hover {
  background: var(--surface);
  color: var(--error);
  border-color: var(--error);
}
.history-list li.history-empty {
  color: var(--ink-faint);
  font-size: .88rem;
  padding: 16px 0;
  text-align: center;
}
.history-panel .small {
  padding: 0 22px 16px;
  color: var(--ink-faint);
  font-size: .75rem;
}

/* ── Info section ──────────────────── */
.info-section {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding-bottom: 40px;
}
.info-block {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 20px;
}
.info-block summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--ink);
  padding: 4px 0;
}
.info-block ol {
  margin: 10px 0 6px 0;
  padding-left: 20px;
  color: var(--ink-soft);
  font-size: .92rem;
}
.info-block ol li { margin-bottom: 6px; }
.info-block em { font-style: italic; color: var(--brand-ink); }
.info-block .small {
  color: var(--ink-faint);
  font-size: .78rem;
  margin-top: 8px;
}
.legal-text {
  white-space: pre-line;
  font-size: .82rem;
  color: var(--ink-soft);
  line-height: 1.7;
  margin-top: 10px;
  max-height: 320px;
  overflow-y: auto;
  padding-right: 4px;
}

/* ── Footer ────────────────────────── */
.site-footer {
  margin-top: auto;
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 18px 0;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--ink-soft);
  font-size: .82rem;
  flex-wrap: wrap;
  gap: 8px;
}
.footer-links { display: flex; gap: 14px; }

/* ── About dialog ──────────────────── */
.about-dialog {
  padding: 0;
  border: 0;
  border-radius: var(--radius-lg);
  background: var(--surface);
  color: var(--ink);
  max-width: 500px;
  width: calc(100% - 32px);
  box-shadow: var(--shadow-lg);
}
.about-dialog::backdrop {
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(4px);
}
.about-dialog article {
  padding: 24px 28px;
}
.about-dialog h2 { margin: 0 0 12px; }
.about-dialog p { color: var(--ink-soft); font-size: .9rem; }
.about-dialog button {
  margin-top: 14px;
  background: var(--brand);
  color: #fff;
  border: 0;
  padding: 8px 20px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-weight: 600;
}

.small { font-size: .78rem; }

/* ── Tab bar ────────────────────────── */
.main-grid {
  /* Override default 2-column grid for tabbed layout */
  grid-template-columns: 1fr !important;
  gap: 14px;
}
.tabs {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 6px;
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 60px;
  z-index: 10;
}
.tabs .tab {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 12px;
  border: 0;
  background: transparent;
  color: var(--ink-soft);
  font-family: inherit;
  font-size: .92rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background .15s, color .15s, box-shadow .15s;
  white-space: nowrap;
}
.tabs .tab:hover {
  background: var(--surface-2);
  color: var(--ink);
}
.tabs .tab.active {
  background: color-mix(in srgb, var(--brand) 12%, var(--surface));
  color: var(--brand);
  box-shadow: var(--shadow-sm);
}
.tabs .tab svg { flex-shrink: 0; }

.tab-panel { grid-column: 1 / -1; }
.tab-panel[hidden] { display: none; }
.tab-manual-wrap {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

/* ── PDF panel ─────────────────────── */
.pdf-body {
  padding: 20px 22px 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.pdf-drop {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 44px 20px;
  border: 2px dashed var(--border-strong);
  border-radius: var(--radius-lg);
  background: var(--surface-2);
  color: var(--ink-soft);
  cursor: pointer;
  transition: background .15s, border-color .15s, color .15s;
  text-align: center;
}
.pdf-drop:hover {
  border-color: var(--brand);
  color: var(--brand);
  background: color-mix(in srgb, var(--brand) 6%, var(--surface-2));
}
.pdf-drop.drag-over {
  border-color: var(--brand);
  background: color-mix(in srgb, var(--brand) 14%, var(--surface-2));
  color: var(--brand);
}
.pdf-drop strong { font-size: 1rem; font-weight: 700; color: var(--ink); }
.pdf-drop .small { color: var(--ink-faint); max-width: 360px; }

.pdf-status {
  background: color-mix(in srgb, var(--brand) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--brand) 30%, transparent);
  color: var(--brand-ink);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: .88rem;
}
.pdf-beta {
  background: color-mix(in srgb, var(--warn) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--warn) 35%, transparent);
  padding: 14px 16px;
  border-radius: var(--radius-sm);
}
.pdf-beta strong {
  display: block;
  font-size: .9rem;
  margin-bottom: 4px;
  color: color-mix(in srgb, var(--warn) 80%, var(--ink));
}
.pdf-beta .small {
  color: var(--ink-soft);
  line-height: 1.6;
}

@media (max-width: 520px) {
  .tabs { grid-template-columns: repeat(3, 1fr); padding: 4px; gap: 4px; top: 56px; }
  .tabs .tab { padding: 8px 6px; font-size: .82rem; gap: 4px; }
  .tabs .tab svg { width: 16px; height: 16px; }
  .pdf-drop { padding: 28px 14px; }
}

/* ── Lookup panel ──────────────────── */
.main-grid .lookup-panel { grid-column: 1 / -1; }
.lookup-body {
  padding: 16px 22px 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.lookup-body .field-group { gap: 10px; }
.lookup-body select,
.lookup-body input[type="text"] {
  width: 100%;
  height: 42px;
  padding: 0 12px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  color: var(--ink);
  font-size: 1rem;
  font-family: inherit;
  font-weight: 500;
}
.lookup-body select:focus,
.lookup-body input:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--brand) 18%, transparent);
}
.section-combo {
  display: flex;
  gap: 8px;
}
.section-combo input { flex: 1; }
.section-combo button { white-space: nowrap; }

.section-hint {
  color: var(--ink-faint);
  font-size: .72rem;
  font-weight: 500;
  margin-left: 4px;
}
.lookup-body select:disabled {
  opacity: .6;
  cursor: not-allowed;
}
.lookup-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: space-between;
}
.btn-lookup { width: auto; padding: 0 28px; height: 42px; }
.lookup-hint {
  font-size: .76rem;
  color: var(--ink-faint);
  flex: 1 1 260px;
}

.member-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  background: color-mix(in srgb, var(--brand) 14%, transparent);
  color: var(--brand);
  border-radius: 999px;
  font-size: .76rem;
  font-weight: 700;
  border: 1px solid color-mix(in srgb, var(--brand) 40%, transparent);
}

.pick-dialog { max-width: 620px; width: calc(100vw - 32px); }
.pick-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}
.pick-head h2 { margin: 0; }
.pick-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  margin: 10px 0 8px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}
.pick-all-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  cursor: pointer;
  user-select: none;
  font-size: .88rem;
}
.pick-count {
  font-size: .82rem;
  color: var(--ink-faint);
  font-variant-numeric: tabular-nums;
}
.pick-list {
  list-style: none;
  margin: 0;
  padding: 0;
  max-height: 380px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.pick-list li.row {
  background: var(--surface-2);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  transition: background .12s, border-color .12s;
}
.pick-list li.row.checked {
  background: color-mix(in srgb, var(--brand) 12%, var(--surface));
  border-color: var(--brand);
}
.pick-list .row-label {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 10px 12px;
  cursor: pointer;
}
.pick-list input[type="checkbox"] {
  margin-top: 3px;
  width: 18px; height: 18px;
  accent-color: var(--brand);
  cursor: pointer;
}
.pick-list .row-body { flex: 1; min-width: 0; }
.pick-list .row-title {
  font-weight: 700;
  font-size: .92rem;
  color: var(--ink);
  display: flex;
  gap: 8px;
  align-items: baseline;
  flex-wrap: wrap;
}
.pick-list .row-title .secondary {
  font-size: .74rem;
  font-weight: 500;
  color: var(--ink-faint);
}
.pick-list .pick-meta {
  font-size: .78rem;
  color: var(--ink-soft);
  margin-top: 3px;
  font-variant-numeric: tabular-nums;
}
.pick-footer {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  margin-top: 16px;
}
.pick-submit {
  width: auto;
  padding: 0 22px;
  height: 42px;
}
.pick-submit:disabled {
  background: var(--ink-faint);
  cursor: not-allowed;
}

/* ── Combined result dialog ─────── */
.combined-dialog { max-width: 640px; width: calc(100vw - 32px); }
.combined-summary {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 14px 0;
}
@media (max-width: 560px) {
  .combined-summary { grid-template-columns: 1fr; }
}
#combined-detail {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 8px;
}
.combined-row {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  font-size: .82rem;
}
.combined-row-head {
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--ink);
}
.combined-row-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 4px 12px;
  color: var(--ink-soft);
  font-variant-numeric: tabular-nums;
}
.combined-row-grid strong {
  color: var(--brand);
  font-weight: 700;
}

/* ── Member profile dialog ─────────── */
.profile-dialog { max-width: 520px; }
.profile-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}
.profile-head h2 { margin: 0; }
.profile-card {
  background: var(--surface-2);
  border-radius: var(--radius);
  padding: 14px 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}
.profile-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  font-size: .9rem;
}
.profile-row:last-child { border-bottom: 0; }
.profile-row span { color: var(--ink-soft); font-size: .8rem; }
.profile-row strong {
  font-weight: 600;
  color: var(--ink);
  text-align: right;
  word-break: break-all;
  max-width: 60%;
}
.points-row strong {
  font-size: 1.3rem;
  color: var(--brand);
  font-variant-numeric: tabular-nums;
}
.profile-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.profile-action-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.profile-action-grid .btn-ghost {
  padding: 10px 14px;
  font-size: .84rem;
  border-radius: var(--radius-sm);
}
.btn-danger {
  background: transparent;
  color: var(--error);
  border: 1.5px solid color-mix(in srgb, var(--error) 60%, transparent);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: .82rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: background .12s, color .12s;
}
.btn-danger:hover { background: var(--error); color: #fff; }

.topup-apps {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin: 16px 0;
}
.topup-apps .btn-primary {
  width: auto;
  padding: 0 18px;
  height: 42px;
  text-decoration: none;
  font-size: .9rem;
}
.topup-apps .btn-primary:hover { text-decoration: none; }

.req { color: var(--error); }

/* 密碼驗證紅框 */
.field input:invalid:not(:placeholder-shown):not(:focus) {
  border-color: var(--error);
}

/* ── Onboarding dialog ─────────── */
.onboard-dialog { max-width: 460px; }
.onboard-logo {
  display: flex;
  justify-content: center;
  margin-bottom: 8px;
}
.onboard-apps {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin: 18px 0 14px;
}
@media (max-width: 440px) {
  .onboard-apps { grid-template-columns: 1fr; }
}
.app-store-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: #000;
  color: #fff;
  border-radius: 10px;
  text-decoration: none;
  transition: transform .1s, background .15s;
}
.app-store-btn:hover {
  background: #222;
  text-decoration: none;
}
.app-store-btn:active { transform: scale(.97); }
.app-store-btn div {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.app-store-btn small {
  font-size: .6rem;
  opacity: .8;
  text-transform: uppercase;
  letter-spacing: .08em;
}
.app-store-btn strong {
  font-size: 1rem;
  font-weight: 700;
}
.onboard-footer {
  display: flex;
  gap: 8px;
  justify-content: space-between;
}

/* ── Print ─────────────────────────── */
@media print {
  .site-header, .site-footer, .input-panel, .history-panel, .info-section, .panel-actions, .form-actions, .lookup-panel, #about-dialog, #login-dialog, #pick-dialog, #register-dialog, #forgot-dialog, #profile-dialog, #edit-dialog, #changepw-dialog, #topup-dialog {
    display: none !important;
  }
  body { background: #fff; }
  .panel { box-shadow: none; border: 1px solid #ccc; }
  .main-grid { grid-template-columns: 1fr; }
  .big-value { color: #000 !important; }
}

/* ── Tiny mobile polish ────────────── */
@media (max-width: 520px) {
  .container { padding: 0 14px; }
  .panel-head { padding: 14px 16px; }
  form { padding: 16px; gap: 14px; }
  .panel-head h2 { font-size: .95rem; }
  .field-group { grid-template-columns: 1fr; gap: 10px; }
  #result-body { padding: 16px; }
  .brand-text em { display: none; }
  .header-actions .icon-btn { padding: 6px 10px; }
  .big-card { padding: 14px 16px; }
}