:root {
  --bg: #f3f0ea;
  --paper: #fffdf8;
  --surface: #ffffff;
  --surface-soft: #f8f6f1;
  --ink: #24211d;
  --muted: #6e665d;
  --line: #d8d0c4;
  --line-strong: #aa9e8d;
  --brand: #375f7f;
  --brand-dark: #24445e;
  --brand-soft: #e8f0f5;
  --ok: #2f6d4f;
  --danger: #a33c37;
  --shadow: 0 16px 42px rgba(60, 48, 32, 0.1);
  --radius: 8px;
  --font: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--bg);
}

body {
  margin: 0;
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.5;
  background:
    linear-gradient(180deg, rgba(55, 95, 127, 0.08), rgba(55, 95, 127, 0) 340px),
    var(--bg);
}

button,
input,
select,
textarea {
  max-width: 100%;
  font: inherit;
}

button {
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.62;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

.app-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
  width: min(1220px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 18px;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--brand);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  margin-bottom: 6px;
  font-size: 32px;
  line-height: 1.15;
}

.header-note {
  margin-bottom: 0;
  color: var(--muted);
}

.header-actions,
.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.app-shell {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 22px;
  align-items: start;
  width: min(1220px, calc(100% - 32px));
  margin: 0 auto 44px;
}

.progress-panel {
  position: sticky;
  top: 16px;
  display: grid;
  gap: 10px;
}

.progress-card,
.save-state,
.section-block {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 253, 248, 0.94);
  box-shadow: var(--shadow);
}

.progress-card {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 12px;
  padding: 14px;
}

.step-index,
.section-heading > span {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--brand);
  border-radius: 999px;
  color: var(--brand-dark);
  background: var(--brand-soft);
  font-weight: 800;
}

.progress-card strong {
  display: block;
  margin-bottom: 2px;
}

.progress-card p,
.section-heading p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
}

.save-state {
  padding: 12px 14px;
  color: var(--muted);
  font-size: 14px;
}

.save-state.is-saved {
  color: var(--ok);
}

.form-surface {
  display: grid;
  gap: 18px;
}

.section-block {
  padding: 22px;
}

.section-heading {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  margin-bottom: 18px;
}

.section-heading h2 {
  margin-bottom: 2px;
  font-size: 22px;
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 14px;
}

.field {
  display: grid;
  grid-column: span 4;
  min-width: 0;
  gap: 7px;
}

.field.half {
  grid-column: span 6;
}

.field.third {
  grid-column: span 4;
}

.field.compact {
  grid-column: span 2;
}

.field span,
.choice-field legend,
.request-card legend,
.nested-fieldset legend,
.signature-card label {
  color: var(--ink);
  font-size: 14px;
  font-weight: 800;
}

.field small {
  color: var(--muted);
  font-weight: 700;
}

input,
textarea {
  width: 100%;
  min-height: 48px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink);
  background: #fff;
  padding: 11px 12px;
}

textarea {
  min-height: 88px;
  resize: vertical;
}

input:focus,
textarea:focus,
.choice-pill:focus-within,
.stacked-choices label:focus-within,
.signature-card:focus-within {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(55, 95, 127, 0.16);
  outline: 0;
}

.inline-input {
  margin-top: 10px;
}

.unit-input {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.unit-input input {
  min-height: 46px;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

.unit-input em {
  padding: 0 12px;
  color: var(--muted);
  font-style: normal;
  white-space: nowrap;
}

.choice-field,
.request-card,
.nested-fieldset {
  min-width: 0;
  margin: 18px 0 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
}

.choice-field legend,
.request-card legend,
.nested-fieldset legend {
  padding: 0 8px;
}

.choice-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.choice-grid.four {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.choice-grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.choice-pill,
.stacked-choices label {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 52px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  padding: 12px;
  font-weight: 800;
}

.choice-pill input,
.stacked-choices input,
.consent-line input {
  width: 20px;
  height: 20px;
  min-height: 20px;
  flex: 0 0 auto;
  accent-color: var(--brand);
}

.choice-pill:has(input:checked),
.stacked-choices label:has(input:checked) {
  border-color: var(--brand);
  background: var(--brand-soft);
}

.subsection {
  margin-top: 18px;
}

.subsection h3 {
  margin-bottom: 10px;
  font-size: 18px;
}

.status-grid,
.request-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 16px;
}

.status-card {
  margin-top: 0;
}

.inline-field {
  grid-column: 1 / -1;
  margin-top: 10px;
}

.request-card {
  margin-top: 0;
  background: rgba(255, 255, 255, 0.72);
}

.full-card {
  margin-bottom: 16px;
}

.stacked-choices {
  display: grid;
  gap: 8px;
}

.mini-grid {
  margin-top: 12px;
}

.request-card textarea,
.nested-fieldset {
  margin-top: 12px;
}

.terms-box {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  padding: 16px;
}

.terms-box ol {
  display: grid;
  gap: 8px;
  margin: 0 0 14px;
  padding-left: 1.4em;
}

.consent-line {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  border-top: 1px solid var(--line);
  padding-top: 14px;
  font-weight: 800;
}

.signature-area {
  display: grid;
  gap: 14px;
  margin-top: 16px;
}

.signature-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  padding: 14px;
}

.signature-card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

canvas {
  display: block;
  width: 100%;
  height: 220px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
  background: #fff;
  touch-action: none;
}

.preview-card {
  min-height: 88px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  padding: 16px;
}

.preview-card dl {
  display: grid;
  grid-template-columns: 140px minmax(0, 1fr);
  gap: 8px 12px;
  margin: 0;
}

.preview-card dt {
  color: var(--muted);
  font-weight: 800;
}

.preview-card dd {
  margin: 0;
}

.demo-status {
  margin: 14px 0 0;
  color: var(--muted);
  font-weight: 800;
}

.demo-status.is-success {
  color: var(--ok);
}

.demo-status.is-error {
  color: var(--danger);
}

.demo-status a {
  color: var(--brand-dark);
}

.primary-button,
.secondary-button,
.ghost-button {
  min-height: 44px;
  border-radius: var(--radius);
  padding: 10px 14px;
  font-weight: 800;
}

.primary-button {
  border: 1px solid var(--brand);
  color: #fff;
  background: var(--brand);
}

.primary-button:hover {
  background: var(--brand-dark);
}

.secondary-button {
  border: 1px solid var(--brand);
  color: var(--brand-dark);
  background: var(--brand-soft);
}

.ghost-button {
  border: 1px solid var(--line-strong);
  color: var(--brand-dark);
  background: rgba(255, 255, 255, 0.72);
}

.small {
  min-height: 36px;
  padding: 6px 12px;
}

.print-document {
  display: none;
}

body.is-previewing-print .print-document {
  display: block;
  grid-column: 2;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  padding: 22px;
  box-shadow: var(--shadow);
}

body.is-previewing-print .print-header {
  text-align: center;
}

body.is-previewing-print .print-summary,
body.is-previewing-print .print-record-table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
}

body.is-previewing-print .print-summary th,
body.is-previewing-print .print-summary td,
body.is-previewing-print .print-record-table th,
body.is-previewing-print .print-record-table td {
  border: 1px solid #222;
  padding: 7px;
  vertical-align: top;
}

body.is-previewing-print .print-summary th,
body.is-previewing-print .print-record-table th {
  background: #f3f3f3;
}

body.is-previewing-print .print-table-group {
  margin-top: 14px;
}

body.is-previewing-print .print-table-group h3 {
  margin: 0;
  border: 1px solid #222;
  border-bottom: 0;
  padding: 7px;
  text-align: center;
  font-size: 17px;
}

body.is-previewing-print .print-signatures {
  margin-top: 14px;
  border: 1px solid #222;
}

body.is-previewing-print .print-sign-box {
  min-height: 120px;
  padding: 10px;
  text-align: center;
}

body.is-previewing-print .print-signature-image {
  display: grid;
  place-items: center;
  min-height: 72px;
}

body.is-previewing-print .print-signature-image img {
  max-width: 100%;
  max-height: 70px;
  object-fit: contain;
}

.print-footer {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 12px;
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 980px) {
  .app-header,
  .app-shell {
    width: min(100% - 24px, 860px);
  }

  .app-header {
    flex-direction: column;
  }

  .app-shell {
    grid-template-columns: 1fr;
  }

  .progress-panel {
    position: static;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .save-state {
    grid-column: 1 / -1;
  }

  body.is-previewing-print .print-document {
    grid-column: 1;
  }

  .request-grid,
  .status-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  body {
    font-size: 15px;
  }

  h1 {
    font-size: 26px;
  }

  .section-block {
    padding: 16px;
  }

  .progress-panel {
    grid-template-columns: 1fr;
  }

  .section-heading {
    grid-template-columns: 38px minmax(0, 1fr);
  }

  .field,
  .field.half,
  .field.third,
  .field.compact {
    grid-column: 1 / -1;
  }

  .choice-grid,
  .choice-grid.four,
  .choice-grid.two {
    grid-template-columns: 1fr;
  }

  .choice-pill,
  .stacked-choices label {
    min-height: 50px;
  }

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

  .action-row button,
  .header-actions button {
    width: 100%;
  }

  canvas {
    height: 190px;
  }
}