:root {
  color-scheme: light;
  --paper: #f7f9f6;
  --surface: #ffffff;
  --ink: #263331;
  --muted: #66736f;
  --line: #d9e1dc;
  --teal: #147a74;
  --teal-soft: #dcefeb;
  --amber: #c9832f;
  --amber-soft: #f7e8cf;
  --rose: #bd5361;
  --rose-soft: #f4dde1;
  --blue: #356f9f;
  --blue-soft: #dbe8f1;
  --shadow: 0 18px 50px rgba(36, 53, 49, 0.1);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Segoe UI", "Noto Sans KR", system-ui, sans-serif;
  line-height: 1.55;
}

button,
input {
  font: inherit;
}

.app-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  padding: 42px clamp(20px, 5vw, 64px) 28px;
  border-bottom: 1px solid var(--line);
  background: #fcfdfb;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--teal);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  letter-spacing: 0;
}

h1 {
  font-size: clamp(2.2rem, 4vw, 4.2rem);
  line-height: 1;
  font-weight: 800;
}

h2,
h3,
h4 {
  font-size: 1.2rem;
}

h3,
h4 {
  margin: 0;
}

.header-copy {
  max-width: 660px;
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 1.02rem;
}

main {
  width: min(1180px, calc(100% - 32px));
  margin: 28px auto 64px;
}

.score-mark {
  display: grid;
  grid-template-columns: repeat(4, 34px);
  gap: 5px;
  align-items: end;
  height: 72px;
}

.score-mark span {
  display: block;
  border-radius: 6px 6px 2px 2px;
  background: var(--teal);
}

.score-mark span:nth-child(1) {
  height: 24px;
  background: var(--teal-soft);
}

.score-mark span:nth-child(2) {
  height: 38px;
  background: var(--blue-soft);
}

.score-mark span:nth-child(3) {
  height: 54px;
  background: var(--amber);
}

.score-mark span:nth-child(4) {
  height: 70px;
  background: var(--rose);
}

.panel,
.domain-section,
.result-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.intro-panel {
  display: grid;
  grid-template-columns: minmax(220px, 0.75fr) minmax(280px, 1fr);
  gap: 24px;
  padding: 24px;
}

.access-panel {
  display: grid;
  grid-template-columns: minmax(280px, 0.82fr) minmax(420px, 1.18fr);
  gap: 24px;
  padding: 24px;
}

.access-panel[hidden] {
  display: none;
}

.access-panel p {
  margin: 8px 0 0;
  color: var(--muted);
}

.access-panel.verified {
  border-color: #b8d7cf;
}

.company-status {
  display: inline-flex;
  margin-top: 14px;
  border: 1px solid #c9d8d2;
  border-radius: 8px;
  padding: 8px 10px;
  background: #eef6f3;
  color: #33514b;
  font-weight: 800;
}

.access-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr)) auto;
  gap: 12px;
  align-items: start;
}

.access-grid label {
  display: grid;
  grid-template-rows: 20px 44px 16px;
  gap: 8px;
}

.access-grid span {
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 700;
}

.access-grid input {
  width: 100%;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 12px;
  background: #fbfcfb;
  color: var(--ink);
}

.access-grid .input-hint {
  line-height: 16px;
  color: #87958f;
  font-size: 0.75rem;
  font-weight: 500;
}

.access-grid > button {
  align-self: start;
  height: 44px;
  margin-top: 28px;
}

.intro-panel p {
  margin: 8px 0 0;
  color: var(--muted);
}

.koss-input-panel {
  margin-top: 18px;
  padding: 16px 20px 20px;
}

.koss-input-heading {
  display: grid;
  grid-template-columns: minmax(280px, 1fr) minmax(260px, 0.7fr);
  gap: 18px;
  align-items: center;
  margin-bottom: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.koss-input-heading p {
  margin: 4px 0 0;
  color: var(--muted);
}

.koss-input-heading .eyebrow {
  margin-bottom: 2px;
}

.koss-question-list {
  display: grid;
  gap: 0;
}

.koss-domain-group {
  border: 0;
  border-radius: 0;
  box-shadow: none;
  padding: 0;
  background: transparent;
}

.koss-domain-group + .koss-domain-group {
  margin-top: 14px;
}

.koss-domain-group .domain-title {
  position: sticky;
  top: 0;
  z-index: 2;
  border: 0;
  border-radius: 8px 8px 0 0;
  padding: 8px 12px;
  background: #eef4f0;
}

.koss-domain-group .domain-title h2 {
  font-size: 1rem;
}

.koss-domain-group .question-list {
  gap: 0;
  margin-top: 0;
  border: 1px solid var(--line);
  border-top: 0;
  border-radius: 0 0 8px 8px;
  overflow: hidden;
}

.koss-question-row {
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  background: #ffffff;
}

.koss-question-row:last-child {
  border-bottom: 0;
}

.wpai-input-panel {
  display: grid;
  grid-template-columns: minmax(260px, 0.8fr) minmax(360px, 1.2fr);
  gap: 24px;
  margin-top: 18px;
  padding: 24px;
}

.wpai-input-panel p {
  margin: 8px 0 0;
  color: var(--muted);
}

.wpai-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.wpai-grid label {
  display: grid;
  gap: 8px;
}

.wpai-grid span {
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 700;
}

.wpai-grid small {
  color: #75847e;
  font-size: 0.75rem;
  line-height: 1.45;
}

.profile-grid {
  display: grid;
  grid-template-columns: 1fr 160px;
  gap: 16px;
}

.field-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  border: 0;
}

.field-group legend,
.age-field span,
.share-box label {
  display: block;
  width: 100%;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 700;
}

.choice-chip {
  cursor: pointer;
}

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

.choice-chip span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 92px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfb;
  font-weight: 700;
}

.choice-chip input:checked + span {
  border-color: var(--teal);
  background: var(--teal-soft);
  color: #07544f;
}

.age-field input,
.share-box input,
.wpai-grid input {
  width: 100%;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 12px;
  background: #fbfcfb;
  color: var(--ink);
}

.principle-band {
  display: flex;
  gap: 12px;
  align-items: center;
  margin: 18px 0;
  border: 1px solid #c9d8d2;
  border-radius: 8px;
  padding: 13px 16px;
  background: #eef6f3;
  color: #33514b;
}

.principle-band strong {
  flex: 0 0 auto;
}

.progress-shell {
  display: grid;
  grid-template-columns: 110px 1fr;
  align-items: center;
  gap: 16px;
  margin: 0;
}

.progress-copy {
  display: flex;
  flex-direction: column;
  gap: 2px;
  color: var(--muted);
  font-size: 0.86rem;
}

.progress-copy strong {
  color: var(--ink);
  font-size: 1rem;
}

.progress-track {
  height: 12px;
  overflow: hidden;
  border-radius: 999px;
  background: #e8eeea;
}

#progressBar {
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--teal), var(--amber), var(--rose));
  transition: width 180ms ease;
}

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

.domain-section {
  padding: 22px;
}

.domain-title {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.domain-title span {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
}

.question-list {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

.question {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) minmax(420px, 1.05fr);
  gap: 18px;
  align-items: center;
  margin: 0;
  padding: 16px;
  border: 1px solid #e4eae6;
  border-radius: 8px;
  background: #fcfdfc;
}

.question legend {
  float: left;
  width: 100%;
  padding: 0;
  font-weight: 700;
}

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

.option-row label {
  cursor: pointer;
}

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

.option-row span {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px;
  background: var(--surface);
  color: #40504c;
  font-size: 0.9rem;
  font-weight: 700;
  text-align: center;
}

.option-row input:checked + span {
  border-color: var(--blue);
  background: var(--blue-soft);
  color: #174c76;
}

.actions {
  position: sticky;
  bottom: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  margin: 22px -16px 0;
  padding: 14px 16px;
  background: rgba(247, 249, 246, 0.94);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--line);
}

.form-message {
  flex: 1 1 auto;
  border-left: 4px solid var(--rose);
  border-radius: 8px;
  padding: 10px 12px;
  background: var(--rose-soft);
  color: #7e2c38;
  font-weight: 800;
}

.form-message[hidden] {
  display: none;
}

button {
  min-height: 44px;
  border: 0;
  border-radius: 8px;
  padding: 0 18px;
  background: var(--teal);
  color: white;
  font-weight: 800;
  cursor: pointer;
}

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

button:disabled {
  cursor: wait;
  opacity: 0.68;
}

button:focus-visible,
input:focus-visible,
.choice-chip input:focus-visible + span,
.option-row input:focus-visible + span {
  outline: 3px solid rgba(20, 122, 116, 0.28);
  outline-offset: 2px;
}

.result-panel {
  margin-top: 24px;
  padding: 24px;
}

.result-window-header {
  align-items: center;
  padding-top: 28px;
}

.result-window-header h1 {
  font-size: clamp(2rem, 4vw, 3.2rem);
}

.result-window-main {
  width: min(1460px, calc(100% - 32px));
}

.result-window-main .result-panel {
  margin-top: 0;
}

.result-return-button {
  flex: 0 0 auto;
  min-width: 112px;
}

.result-loading {
  padding: 32px;
}

.result-loading p:last-child {
  margin: 10px 0 0;
  color: var(--muted);
}

.completion-dialog {
  width: min(520px, calc(100% - 32px));
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 28px;
  background: var(--surface);
  color: var(--ink);
  box-shadow: var(--shadow);
  text-align: center;
}

.completion-dialog::backdrop {
  background: rgba(26, 42, 38, 0.42);
  backdrop-filter: blur(3px);
}

.completion-dialog h2 {
  font-size: 1.5rem;
  line-height: 1.45;
  word-break: keep-all;
}

.completion-dialog button {
  min-width: 112px;
  margin-top: 22px;
}

.result-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.total-score {
  display: grid;
  justify-items: end;
  gap: 2px;
}

.total-score span {
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 700;
}

.total-score strong {
  font-size: 2.4rem;
  line-height: 1;
}

.summary-strip {
  display: grid;
  grid-template-columns: minmax(180px, 0.8fr) minmax(340px, 1.6fr) minmax(220px, 1fr);
  gap: 10px;
  margin: 22px 0;
}

.summary-card {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  background: #fbfcfb;
}

.summary-card span {
  display: block;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
}

.summary-card strong {
  display: block;
  margin-top: 4px;
  font-size: 1.16rem;
  line-height: 1.45;
  overflow-wrap: anywhere;
  word-break: keep-all;
}

.result-block {
  margin-top: 22px;
}

.block-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 12px;
}

.block-heading p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.risk-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 20px;
}

.risk-hero h3 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1;
}

.risk-hero-copy > p:last-child {
  max-width: 680px;
  margin: 10px 0 0;
  color: #31413e;
  font-weight: 700;
}

.risk-position {
  min-width: 190px;
  text-align: right;
}

.risk-position strong,
.risk-position small {
  display: block;
}

.risk-position strong {
  font-size: 1.08rem;
}

.risk-position small {
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
}

.risk-scale {
  grid-column: 1 / -1;
}

.risk-scale-labels,
.risk-scale-track {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
}

.risk-scale-labels {
  margin-bottom: 6px;
  color: #52635f;
  font-size: 0.72rem;
  font-weight: 800;
  text-align: center;
}

.risk-scale-track {
  position: relative;
  height: 12px;
  overflow: visible;
  border: 1px solid rgba(28, 48, 44, 0.16);
  border-radius: 6px;
}

.risk-scale-track > span:first-child {
  border-radius: 5px 0 0 5px;
}

.risk-scale-track > span:nth-child(n + 2) {
  border-left: 2px solid #fff;
}

.risk-scale-track > span:last-of-type {
  border-radius: 0 5px 5px 0;
}

.scale-low {
  background: #67b99a;
}

.scale-mid {
  background: #70a9d2;
}

.scale-high {
  background: #e6b85c;
}

.scale-very-high {
  background: #d87676;
}

.risk-scale-marker {
  position: absolute;
  top: -5px;
  width: 3px;
  height: 20px;
  transform: translateX(-50%);
  border-radius: 2px;
  background: var(--ink);
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.9);
}

.risk-level-low {
  background: var(--teal-soft);
}

.risk-level-mid {
  background: var(--blue-soft);
}

.risk-level-high {
  background: var(--amber-soft);
}

.risk-level-very-high {
  background: var(--rose-soft);
}

.insight-grid,
.metric-grid,
.wlq-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 12px;
}

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

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

.insight-grid article,
.metric-grid article,
.wlq-card,
.empty-state {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
  background: #fbfcfb;
}

.insight-grid p,
.empty-state p,
.wlq-card p {
  margin: 8px 0 0;
  color: var(--muted);
}

.insight-grid ul {
  margin: 8px 0 0;
  padding-left: 18px;
}

.insight-grid .relative-factor-list {
  margin-top: 10px;
  padding: 0;
  list-style: none;
}

.relative-factor-list li {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 0;
  border-top: 1px solid var(--line);
}

.relative-factor-list li:first-child {
  padding-top: 0;
  border-top: 0;
}

.relative-factor-list strong,
.relative-factor-list span,
.relative-factor-list small {
  display: block;
}

.relative-factor-list span {
  margin-top: 2px;
  color: var(--ink);
  font-size: 0.82rem;
  font-weight: 700;
}

.relative-factor-list small {
  flex: 0 0 auto;
  color: var(--muted);
  font-size: 0.72rem;
}

.metric-grid span,
.wlq-card-heading > span {
  display: block;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
}

.metric-grid strong,
.wlq-card-heading > strong {
  display: block;
  margin-top: 4px;
  font-size: 1.75rem;
}

.metric-grid article p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.45;
}

.wlq-card {
  border-top-width: 4px;
}

.wlq-card.status-priority {
  border-top-color: #c65f5f;
}

.wlq-card.status-watch {
  border-top-color: #d7a337;
}

.wlq-card.status-clear {
  border-top-color: #4f9d80;
}

.wlq-card-heading > strong {
  margin-top: 8px;
  font-size: 1.05rem;
  line-height: 1.35;
}

.wlq-signal-count {
  color: var(--ink) !important;
  font-size: 0.82rem;
  font-weight: 800;
}

.wlq-factor-list {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.wlq-factor-list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  padding: 6px 0;
  border-top: 1px solid var(--line);
}

.wlq-factor-list span,
.wlq-factor-list strong {
  font-size: 0.75rem;
}

.wlq-factor-list span {
  color: var(--ink);
  font-weight: 700;
}

.wlq-factor-list strong {
  flex: 0 0 auto;
}

.supporting-score {
  display: block;
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 700;
}

.notice {
  margin: 12px 0 0;
  border-left: 4px solid var(--teal);
  padding: 10px 12px;
  background: #f4f8f6;
  color: var(--muted);
  font-size: 0.92rem;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.result-table {
  width: 100%;
  min-width: 980px;
  border-collapse: collapse;
  background: white;
}

.result-table th,
.result-table td {
  padding: 12px 10px;
  border-bottom: 1px solid var(--line);
  text-align: center;
  vertical-align: middle;
}

.result-table th {
  background: #eef4f0;
  color: #31413e;
  font-size: 0.86rem;
}

.result-table td:first-child,
.result-table th:first-child,
.result-table td:last-child,
.result-table th:last-child {
  text-align: left;
}

.result-table tr:last-child td {
  border-bottom: 0;
}

.reference-cell {
  color: var(--muted);
  font-weight: 700;
}

.reference-cell.active {
  color: var(--ink);
  box-shadow: inset 0 0 0 2px currentColor;
}

.risk-low {
  background: var(--teal-soft);
}

.risk-mid {
  background: var(--blue-soft);
}

.risk-high {
  background: var(--amber-soft);
}

.risk-very-high {
  background: var(--rose-soft);
}

.share-box {
  margin-top: 20px;
}

.share-box div {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
}

@media (max-width: 860px) {
  .app-header,
  .access-panel,
  .intro-panel,
  .koss-input-heading,
  .wpai-input-panel,
  .question {
    grid-template-columns: 1fr;
  }

  .app-header {
    align-items: flex-start;
  }

  .result-window-header {
    align-items: stretch;
  }

  .result-return-button {
    width: 100%;
  }

  .score-mark {
    display: none;
  }

  .profile-grid,
  .access-grid,
  .summary-strip,
  .wpai-grid,
  .insight-grid,
  .metric-grid,
  .wlq-grid {
    grid-template-columns: 1fr;
  }

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

  .access-grid > button {
    width: 100%;
    margin-top: 0;
  }

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

  .result-heading {
    align-items: flex-start;
  }

  .block-heading,
  .principle-band {
    align-items: flex-start;
    flex-direction: column;
  }

  .risk-hero {
    grid-template-columns: 1fr;
  }

  .risk-position {
    min-width: 0;
    text-align: left;
  }

  .risk-scale {
    grid-column: 1;
    width: 100%;
  }
}

@media (max-width: 540px) {
  main {
    width: min(100% - 20px, 1180px);
  }

  .domain-section,
  .result-panel,
  .intro-panel,
  .koss-input-panel,
  .wpai-input-panel {
    padding: 16px;
  }

  .option-row {
    grid-template-columns: 1fr;
  }

  .actions {
    margin: 22px 0 0;
    justify-content: stretch;
  }

  .actions button {
    flex: 1;
  }
}