:root {
  color-scheme: light;
  --ink: #1f2933;
  --muted: #5f6f7c;
  --line: #d9e2e8;
  --soft: #f5f8fa;
  --paper: #ffffff;
  --accent: #52677f;
  --accent-strong: #34465b;
  --danger: #9f2a2a;
  --danger-bg: #fff0f0;
  --shadow: 0 16px 42px rgba(31, 41, 51, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
  touch-action: pan-y;
}

body {
  margin: 0;
  min-height: 100vh;
  background: #f1f4f7;
  color: var(--ink);
  font-family: "Avenir Next", "Helvetica Neue", "PingFang HK", "PingFang TC", "Microsoft JhengHei", sans-serif;
  font-weight: 400;
  line-height: 1.55;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
}

button,
input,
select,
textarea {
  font: inherit;
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 22px 28px 18px;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}

.app-header h1,
.section-heading h2,
.legend-panel h3,
.client-topbar h2 {
  margin: 0;
  letter-spacing: 0;
}

.app-header h1 {
  font-size: 28px;
  font-weight: 650;
  line-height: 1.2;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 650;
  letter-spacing: 0;
  text-transform: uppercase;
}

.header-status {
  min-width: 112px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--muted);
  text-align: center;
  background: var(--soft);
}

.page {
  display: none;
  padding: 22px;
  min-height: 100dvh;
}

.page.active {
  display: block;
}

.page-narrow {
  max-width: 880px;
  margin: 0 auto;
}

.panel,
.legend-panel {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.panel {
  padding: 22px;
}

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

.section-heading h2,
.client-topbar h2 {
  font-size: 22px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 560;
}

.field-label-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  min-height: 22px;
}

.age-preview {
  color: var(--ink);
  font-size: 13px;
  white-space: nowrap;
}

.age-preview strong {
  font-weight: 650;
}

.wide {
  grid-column: 1 / -1;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 11px 12px;
  color: var(--ink);
  background: #fbfdfe;
  font-size: 16px;
  outline: none;
}

input,
select {
  min-height: 46px;
}

.date-selects {
  display: grid;
  grid-template-columns: 1.15fr 0.9fr 0.9fr;
  gap: 8px;
}

textarea {
  resize: vertical;
}

input:focus,
textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(82, 103, 127, 0.16);
}

.segmented {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  width: min(560px, 100%);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.segment,
.language-segment {
  min-height: 44px;
  border: 0;
  border-right: 1px solid var(--line);
  color: var(--muted);
  background: var(--soft);
  cursor: pointer;
}

.segment:last-child,
.language-segment:last-child {
  border-right: 0;
}

.segment.active,
.language-segment.active {
  color: #fff;
  background: var(--accent);
}

.client-page {
  max-width: 980px;
  margin: 0 auto;
  padding-bottom: 40px;
}

.client-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 14px;
}

.legend-panel {
  position: sticky;
  top: 0;
  z-index: 2;
  padding: 14px;
  margin-bottom: 14px;
}

.legend-panel h3 {
  font-size: 18px;
}

.legend-panel p,
.calm-text {
  margin: 6px 0 0;
  color: var(--ink);
  line-height: 1.6;
}

.option-legend {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin-top: 12px;
}

.legend-item {
  min-height: 54px;
  padding: 8px 6px;
  border: 1px solid var(--line);
  border-radius: 8px;
  text-align: center;
  background: var(--soft);
}

.legend-item strong {
  display: block;
  font-size: 18px;
  color: var(--ink);
}

.legend-item span {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.25;
}

.english-line {
  display: inline-block;
  margin-top: 3px;
  color: var(--muted);
}

.question-list {
  display: grid;
  gap: 10px;
}

.question-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 236px;
  gap: 12px;
  align-items: center;
  padding: 13px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

.question-row.missing-question {
  border-color: #d98282;
  background: #fff6f6;
  box-shadow: 0 0 0 3px rgba(159, 42, 42, 0.08);
}

.question-row.missing-question .question-number {
  color: var(--danger);
}

.question-text {
  margin: 0;
  line-height: 1.55;
  font-size: 17px;
  font-weight: 520;
}

.question-number {
  color: var(--accent);
  font-weight: 700;
}

.options {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
}

.option {
  min-width: 0;
  min-height: 46px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 4px;
  color: var(--ink);
  text-align: center;
  background: #fbfdfe;
  cursor: pointer;
  font-weight: 700;
}

.option input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.option.selected {
  border-color: var(--accent);
  color: #fff;
  background: var(--accent);
}

.submit-button {
  width: 100%;
  margin-top: 16px;
}

.inline-error {
  margin-top: 14px;
  padding: 11px 12px;
  border: 1px solid #efb1b1;
  border-radius: 8px;
  color: var(--danger);
  background: var(--danger-bg);
  line-height: 1.5;
  font-weight: 650;
}

.hidden {
  display: none;
}

.actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 16px;
}

.single-action {
  grid-template-columns: 1fr;
}

.primary-button,
.secondary-button {
  min-height: 46px;
  border-radius: 8px;
  padding: 10px 12px;
  font-weight: 650;
  cursor: pointer;
}

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

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

.result-page {
  max-width: 1120px;
  margin: 0 auto;
}

.result-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.85fr);
  gap: 18px;
}

.result-summary {
  display: grid;
  gap: 10px;
  margin-bottom: 16px;
}

.score-card {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
}

.score-card p {
  margin: 0;
  color: var(--muted);
}

.score-card strong {
  display: block;
  margin-top: 4px;
  font-size: 26px;
}

.severity {
  display: inline-flex;
  margin-top: 8px;
  padding: 5px 9px;
  border-radius: 8px;
  color: var(--accent-strong);
  background: #e7edf3;
  font-size: 13px;
  font-weight: 650;
}

.risk-notice {
  margin-bottom: 16px;
  padding: 13px;
  border: 1px solid #f0b0b0;
  border-radius: 8px;
  color: var(--danger);
  background: var(--danger-bg);
  line-height: 1.55;
  font-weight: 650;
}

.rubric-summary table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.rubric-summary th,
.rubric-summary td {
  border: 1px solid var(--line);
  padding: 8px;
  text-align: left;
}

.rubric-summary th {
  background: var(--soft);
}

.disclaimer {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.print-report {
  display: none;
}

@media (max-width: 760px) {
  .app-header {
    align-items: flex-start;
    flex-direction: column;
    padding: 18px;
  }

  .page {
    padding: 14px;
  }

  .panel {
    padding: 16px;
  }

  .form-grid,
  .result-layout {
    grid-template-columns: 1fr;
  }

  .client-topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .question-row {
    grid-template-columns: minmax(0, 1fr) 204px;
    gap: 8px;
    padding: 11px;
  }

  .question-text {
    font-size: 15px;
  }

  .option {
    min-height: 42px;
    padding: 8px 2px;
  }

  .option-legend {
    gap: 5px;
  }

  .legend-item {
    min-height: 50px;
    padding: 7px 3px;
  }

  .legend-item span {
    font-size: 11px;
  }

}

@media (max-width: 390px) {
  .question-row {
    grid-template-columns: 1fr;
  }

  .options {
    grid-template-columns: repeat(4, minmax(42px, 1fr));
  }
}

@media print {
  @page {
    size: A4 portrait;
    margin: 14mm;
  }

  body {
    background: #fff;
  }

  .app-header,
  main {
    display: none;
  }

  .print-report {
    display: block;
    color: #111827;
    font-size: 11.5px;
  }

  .print-report h1 {
    margin: 0 0 14px;
    font-size: 22px;
  }

  .print-report h2 {
    margin: 16px 0 7px;
    font-size: 15px;
  }

  .print-report table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 7px;
    page-break-inside: avoid;
  }

  .print-report th,
  .print-report td {
    border: 1px solid #cbd5df;
    padding: 6px;
    text-align: left;
    vertical-align: top;
  }

  .print-report th {
    background: #f3f6f8;
  }

  .print-report .alert {
    margin-top: 10px;
    padding: 8px;
    border: 1px solid #9f2a2a;
    color: #9f2a2a;
    font-weight: 700;
  }
}