:root {
  --color-ink: #172033;
  --color-muted: #526174;
  --color-surface: #ffffff;
  --color-background: #f1f5f9;
  --color-primary: #155e75;
  --color-primary-dark: #0f4c5c;
  --color-danger: #b42318;
  --color-success: #027a48;
  --color-border: #cbd5e1;
  --color-white: #ffffff;
  --color-focus: #f59e0b;
  --color-dialog-backdrop: rgb(15 23 42 / 45%);
  --color-header-eyebrow: #cceff6;
  --color-table-heading: #e6f7fa;
  --shadow-panel: 0 12px 32px rgb(15 23 42 / 10%);
}

* { box-sizing: border-box; }
body { margin: 0; color: var(--color-ink); background: var(--color-background); font-family: -apple-system, BlinkMacSystemFont, "Noto Sans TC", sans-serif; }
button, input, select { font: inherit; }
textarea { width: 100%; min-height: 96px; padding: 10px 12px; border: 1px solid var(--color-border); border-radius: 8px; background: var(--color-white); font: inherit; resize: vertical; }
button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, .table-wrap:focus-visible, .skip-link:focus-visible { outline: 3px solid var(--color-focus); outline-offset: 3px; }
a:focus-visible { outline: 3px solid var(--color-focus); outline-offset: 3px; }
.shell { width: min(100% - 32px, 1120px); margin: 0 auto; }
.site-header { background: var(--color-primary); color: var(--color-white); padding: 28px 0; }
.site-header h1, h2, p { margin-top: 0; }
.site-header h1 { margin-bottom: 0; font-size: clamp(1.6rem, 3vw, 2.2rem); }
.eyebrow { margin-bottom: 8px; color: var(--color-muted); font-size: .82rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.site-header .eyebrow { color: var(--color-header-eyebrow); }
.layout { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: 24px; padding: 32px 0; }
.panel { min-width: 0; padding: 28px; border: 1px solid var(--color-border); border-radius: 16px; background: var(--color-surface); box-shadow: var(--shadow-panel); }
.panel h2 { margin-bottom: 8px; font-size: 1.35rem; }
.help { color: var(--color-muted); line-height: 1.6; }
.field { margin-top: 20px; }
label { display: block; margin-bottom: 8px; font-weight: 700; }
input, select { width: 100%; min-height: 44px; padding: 10px 12px; border: 1px solid var(--color-border); border-radius: 8px; background: var(--color-white); }
input[aria-invalid="true"], select[aria-invalid="true"] { border-color: var(--color-danger); }
textarea[aria-invalid="true"] { border-color: var(--color-danger); }
.field-error { min-height: 1.4em; margin: 6px 0 0; color: var(--color-danger); font-size: .9rem; }
.primary-button, .secondary-button { min-height: 44px; border-radius: 8px; padding: 10px 16px; font-weight: 700; cursor: pointer; }
.primary-button { width: 100%; margin-top: 20px; border: 1px solid var(--color-primary); color: var(--color-white); background: var(--color-primary); }
.primary-button:hover:not(:disabled) { background: var(--color-primary-dark); }
.secondary-button { border: 1px solid var(--color-primary); color: var(--color-primary); background: var(--color-white); }
button:disabled { cursor: not-allowed; opacity: .6; }
.status { min-height: 1.5em; margin: 18px 0 0; color: var(--color-muted); line-height: 1.5; }
.status[data-tone="success"] { color: var(--color-success); }
.status[data-tone="error"] { color: var(--color-danger); }
.dialog-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 20px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 20px; }
.actions .primary-button, .actions .secondary-button { width: auto; margin-top: 0; }
.card-list { display: grid; gap: 12px; padding: 0; list-style: none; }
.card-list li { min-width: 0; padding: 14px; border: 1px solid var(--color-border); border-radius: 8px; }
.card-list li p { overflow-wrap: anywhere; }
.card-list a { color: var(--color-primary); font-weight: 700; }
.success-summary { margin-top: 20px; padding: 16px; border: 1px solid var(--color-success); border-radius: 8px; background: #ecfdf3; }
.success-summary h3 { margin: 0 0 8px; }
.success-summary a { color: var(--color-primary); font-weight: 700; }
.material-layout { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 24px; padding: 32px 0; }
.material-layout > * { min-width: 0; }
.monthly-batch-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .9fr); gap: 24px; padding: 32px 0; }
.monthly-batch-layout > * { min-width: 0; }
.monthly-review-layout { display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(320px, .88fr); gap: 24px; padding: 32px 0; }
.monthly-review-layout > * { min-width: 0; }
.migration-layout, .health-layout { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(320px, .9fr); gap: 24px; padding: 32px 0; }
.migration-layout > *, .health-layout > * { min-width: 0; }
.health-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin: 18px 0; }
.health-card { min-width: 0; padding: 14px; border: 1px solid var(--color-border); border-radius: 10px; background: var(--color-table-heading); }
.health-card strong, .health-card span { display: block; overflow-wrap: anywhere; }
.health-card span:not(.health-status) { margin-top: 7px; color: var(--color-muted); }
.health-status { display: inline-block; width: max-content; margin-top: 10px; padding: 4px 9px; border: 1px solid var(--color-border); border-radius: 999px; color: var(--color-primary-dark); font-size: .88rem; font-weight: 700; }
.summary-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; margin: 18px 0; }
.summary-card { min-width: 0; padding: 12px; border: 1px solid var(--color-border); border-radius: 8px; background: var(--color-table-heading); }
.summary-card strong, .summary-card span { display: block; overflow-wrap: anywhere; }
.summary-card span { margin-top: 4px; color: var(--color-muted); font-size: .9rem; }
.status-badge { display: inline-block; padding: 4px 9px; border: 1px solid var(--color-border); border-radius: 999px; background: var(--color-table-heading); color: var(--color-primary-dark); font-size: .88rem; font-weight: 700; }
.review-table td { overflow-wrap: anywhere; }
.issue { color: var(--color-danger); font-weight: 700; }
.timeline { display: grid; gap: 10px; margin: 16px 0 0; padding: 0; list-style: none; }
.timeline li { padding: 14px; border-left: 4px solid var(--color-primary); border-radius: 0 8px 8px 0; background: var(--color-table-heading); }
.timeline p { margin: 5px 0 0; overflow-wrap: anywhere; }
.read-only-summary { margin-top: 24px; padding: 16px; border: 1px solid var(--color-success); border-radius: 10px; background: #ecfdf3; }
.read-only-summary h3 { margin-top: 0; }
.subheading { margin: 28px 0 12px; font-size: 1.08rem; }
.check-row { display: flex; align-items: flex-start; gap: 10px; margin-top: 20px; padding: 12px; border: 1px solid var(--color-border); border-radius: 8px; font-weight: 400; line-height: 1.55; }
.check-row input { width: 20px; min-height: 20px; margin: 2px 0 0; flex: 0 0 auto; }
.notice { margin: 24px 0 0; padding: 14px; border-left: 4px solid var(--color-primary); border-radius: 0 8px 8px 0; background: var(--color-table-heading); line-height: 1.55; }
.notice strong { display: block; margin-bottom: 4px; }
.filter-group { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.filter-button[aria-pressed="true"] { color: var(--color-white); background: var(--color-primary); }
.transfer-list { display: grid; gap: 10px; margin: 18px 0 0; padding: 0; list-style: none; }
.transfer-card { width: 100%; padding: 14px; border: 1px solid var(--color-border); border-radius: 8px; color: var(--color-ink); background: var(--color-white); text-align: left; cursor: pointer; }
.transfer-card[aria-current="true"] { border-color: var(--color-primary); box-shadow: 0 0 0 2px rgb(21 94 117 / 18%); }
.transfer-card strong, .transfer-card span { display: block; }
.transfer-card span { margin-top: 6px; color: var(--color-muted); font-size: .92rem; }
.detail-summary { margin: 18px 0 6px; font-weight: 700; }
.text-button { margin-top: 16px; padding: 0; border: 0; color: var(--color-primary); background: transparent; font-weight: 700; text-decoration: underline; cursor: pointer; }
dialog { width: min(100% - 32px, 480px); border: 1px solid var(--color-border); border-radius: 16px; color: var(--color-ink); box-shadow: var(--shadow-panel); }
dialog::backdrop { background: var(--color-dialog-backdrop); }
dialog .primary-button { width: auto; margin-top: 0; }
.section-heading { display: flex; align-items: start; justify-content: space-between; gap: 16px; }
.table-wrap { max-width: 100%; overflow-x: auto; border: 1px solid var(--color-border); border-radius: 8px; }
table { width: 100%; min-width: 580px; border-collapse: collapse; }
th, td { padding: 12px; border-bottom: 1px solid var(--color-border); text-align: left; vertical-align: top; }
th { background: var(--color-table-heading); font-size: .9rem; }
tbody tr:last-child td { border-bottom: 0; }
.skip-link { position: absolute; left: -10000px; top: auto; }
.skip-link:focus { left: 16px; top: 16px; z-index: 2; padding: 8px 12px; border-radius: 6px; color: var(--color-white); background: var(--color-ink); }

@media (max-width: 768px) {
  .layout, .material-layout, .monthly-batch-layout, .monthly-review-layout, .migration-layout, .health-layout { grid-template-columns: 1fr; padding: 20px 0; }
  .summary-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .health-grid { grid-template-columns: 1fr; }
  .monthly-review-layout .actions .primary-button, .monthly-review-layout .actions .secondary-button { width: 100%; }
  .panel { padding: 20px; }
}

@media (max-width: 390px) {
  .shell { width: min(100% - 24px, 1120px); }
  .site-header { padding: 20px 0; }
  .panel { padding: 16px; border-radius: 12px; }
  .section-heading { align-items: stretch; flex-direction: column; }
  .secondary-button { width: 100%; }
  .dialog-actions .primary-button { width: 100%; }
  .filter-group .secondary-button { width: 100%; }
  .summary-grid { grid-template-columns: 1fr; }
  .monthly-review-layout .actions { flex-direction: column; }
}

/* 螢幕閱讀器專用文字：全站原本未定義此類別，導致標記為 .sr-only 的輔助說明直接顯示於畫面。 */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;border:0}

/* UI-075：hidden 屬性必須真的隱藏元素。
   起因：contract-workbench-theme.css 的 .contract-auth-action{display:inline-flex} 蓋掉了
   UA 樣式的 [hidden]{display:none}，使申告期限提醒的「前往登入」按鈕在已登入狀態也常駐顯示。
   這裡補上全站保險，讓同類 display 覆蓋不再讓 hidden 失效。 */
[hidden] { display: none !important; }