:root {
  color-scheme: light;
  --accent: #ff6b35;
  --accent-soft: #ffe8de;
  --amber: #ffbd59;
  --blue: #1b4d5c;
  --blue-deep: #102f3a;
  --canvas: #f4f1e8;
  --caveat: #7a4d9d;
  --ink: #15262d;
  --line: #c9c5b9;
  --muted: #66747a;
  --panel: #fffdf8;
  --shadow: 0 18px 50px rgba(17, 44, 52, 0.1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    linear-gradient(rgba(20, 46, 55, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20, 46, 55, 0.035) 1px, transparent 1px),
    var(--canvas);
  background-size: 32px 32px;
  color: var(--ink);
  font-family: Pretendard, "Noto Sans KR", "Apple SD Gothic Neo", system-ui, sans-serif;
  line-height: 1.55;
  min-width: 320px;
}

button,
input {
  font: inherit;
}

button {
  color: inherit;
}

[hidden] {
  display: none !important;
}

.skip-link {
  background: var(--accent);
  color: #111;
  font-weight: 800;
  left: 1rem;
  padding: 0.75rem 1rem;
  position: fixed;
  top: 0;
  transform: translateY(-120%);
  transition: transform 160ms ease;
  z-index: 100;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  background:
    radial-gradient(circle at 82% 20%, rgba(255, 189, 89, 0.15), transparent 24rem),
    linear-gradient(135deg, var(--blue-deep), #173d48 64%, #204f58);
  color: #f9f7ef;
  overflow: hidden;
  position: relative;
}

.site-header::after {
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 50%;
  content: "";
  height: 28rem;
  position: absolute;
  right: -7rem;
  top: -14rem;
  width: 28rem;
}

.header-inner {
  margin: 0 auto;
  max-width: 1480px;
  padding: 2.5rem clamp(1rem, 4vw, 4rem) 0;
  position: relative;
  z-index: 1;
}

.eyebrow,
.section-kicker,
.detail-kicker {
  color: var(--amber);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  margin: 0;
  text-transform: uppercase;
}

.title-row {
  align-items: end;
  display: flex;
  justify-content: space-between;
  padding: 1.1rem 0 2.5rem;
}

.title-row h1 {
  font-size: clamp(2.6rem, 6vw, 5.6rem);
  letter-spacing: -0.075em;
  line-height: 0.95;
  margin: 0;
}

.title-row h1 span {
  color: var(--amber);
}

.title-row p {
  color: rgba(255, 255, 255, 0.7);
  margin: 1rem 0 0;
  max-width: 34rem;
}

.header-mark {
  align-items: center;
  display: flex;
  gap: 0.8rem;
  padding-bottom: 0.5rem;
}

.header-mark span {
  color: rgba(255, 255, 255, 0.46);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  writing-mode: vertical-rl;
}

.header-mark i {
  background: var(--amber);
  border-radius: 50%;
  height: 0.45rem;
  position: relative;
  width: 0.45rem;
}

.header-mark i::after {
  background: rgba(255, 255, 255, 0.2);
  content: "";
  height: 1px;
  left: 0.45rem;
  position: absolute;
  top: calc(50% - 0.5px);
  width: 2.6rem;
}

.transition-tabs {
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.tab-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  max-width: 760px;
}

.tab-list button {
  align-items: center;
  background: transparent;
  border: 0;
  border-right: 1px solid rgba(255, 255, 255, 0.15);
  color: rgba(255, 255, 255, 0.62);
  cursor: pointer;
  display: grid;
  gap: 0.75rem;
  grid-template-columns: auto 1fr auto;
  min-height: 4.5rem;
  padding: 0 1.25rem;
  position: relative;
  text-align: left;
}

.tab-list button[aria-selected="true"] {
  background: var(--canvas);
  color: var(--ink);
}

.tab-list button[aria-selected="true"]::before {
  background: var(--accent);
  content: "";
  height: 4px;
  left: 0;
  position: absolute;
  right: 0;
  top: -1px;
}

.tab-list button:disabled {
  cursor: wait;
}

.tab-order,
.tab-short {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.7rem;
  font-weight: 700;
}

.tab-label {
  font-size: 1rem;
  font-weight: 800;
}

.tab-short {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  padding: 0.2rem 0.5rem;
}

[aria-selected="true"] .tab-short {
  background: var(--accent-soft);
  color: #9d3511;
}

.main-content {
  margin: 0 auto;
  max-width: 1480px;
  padding: clamp(1.25rem, 3vw, 3rem) clamp(1rem, 4vw, 4rem) 4rem;
}

.boundary-banner {
  align-items: start;
  background: #fff3bf;
  border: 1px solid #e3bd51;
  display: grid;
  gap: 1rem;
  grid-template-columns: auto 1fr;
  padding: 1.2rem;
}

.boundary-icon {
  align-items: center;
  background: var(--ink);
  border-radius: 50%;
  color: var(--amber);
  display: flex;
  font-family: Georgia, serif;
  font-size: 1.15rem;
  font-weight: 800;
  height: 2rem;
  justify-content: center;
  width: 2rem;
}

.boundary-banner h2 {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  margin: 0 0 0.25rem;
  text-transform: uppercase;
}

.boundary-banner p {
  font-size: 0.88rem;
  margin: 0;
}

.boundary-banner p + p {
  color: #6d5a22;
  margin-top: 0.25rem;
}

.boundary-banner code {
  background: rgba(255, 255, 255, 0.45);
  padding: 0.08rem 0.25rem;
}

.error-banner {
  background: #fee2e2;
  border: 1px solid #ef4444;
  margin-top: 1rem;
  padding: 1rem;
}

.error-banner span {
  margin-left: 0.5rem;
}

.controls {
  align-items: end;
  display: flex;
  gap: 2rem;
  justify-content: space-between;
  padding: clamp(2.4rem, 5vw, 4.5rem) 0 1.5rem;
}

.controls .section-kicker,
.detail-kicker {
  color: var(--accent);
}

.controls h2 {
  font-size: clamp(1.8rem, 4vw, 3.2rem);
  letter-spacing: -0.055em;
  line-height: 1.1;
  margin: 0.4rem 0;
}

.controls > div:first-child > p:last-child {
  color: var(--muted);
  margin: 0;
}

.search-wrap {
  max-width: 360px;
  width: 100%;
}

.search-wrap label {
  display: block;
  font-size: 0.78rem;
  font-weight: 800;
  margin-bottom: 0.4rem;
}

.search-field {
  align-items: center;
  background: var(--panel);
  border: 1px solid var(--line);
  display: flex;
  min-height: 3.15rem;
  padding: 0 0.9rem;
}

.search-field:focus-within {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(27, 77, 92, 0.16);
}

.search-field svg {
  fill: none;
  flex: 0 0 auto;
  margin-right: 0.7rem;
  stroke: var(--muted);
  stroke-linecap: round;
  stroke-width: 2;
}

.search-field input {
  background: transparent;
  border: 0;
  color: var(--ink);
  min-width: 0;
  outline: 0;
  width: 100%;
}

.search-field input::placeholder {
  color: #8a9498;
}

.result-status {
  color: var(--muted);
  font-size: 0.78rem;
  margin: 0.45rem 0 0;
}

.dashboard-shell {
  align-items: start;
  display: grid;
  gap: 1.5rem;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 410px);
}

.subject-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fill, minmax(255px, 1fr));
}

.subject-card {
  --score-color: #287a66;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 0;
  box-shadow: 0 0 0 rgba(17, 44, 52, 0);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  min-height: 344px;
  overflow: hidden;
  padding: 0;
  text-align: left;
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
  width: 100%;
}

.subject-card.score-medium {
  --score-color: #b26420;
}

.subject-card.score-high {
  --score-color: #d94824;
}

.subject-card.score-new {
  --score-color: #5b6472;
}

.grid-group-header {
  border-top: 1px solid var(--line);
  grid-column: 1 / -1;
  margin-top: 0.75rem;
  padding-top: 1.15rem;
}

.grid-group-title {
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  margin: 0;
}

.grid-group-note {
  color: var(--muted);
  font-size: 0.78rem;
  margin: 0.35rem 0 0;
  max-width: 60ch;
}

.subject-card:hover,
.subject-card.is-selected {
  border-color: var(--score-color);
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}

.subject-card.is-selected {
  outline: 3px solid color-mix(in srgb, var(--score-color) 25%, transparent);
  outline-offset: 1px;
}

.card-header {
  align-items: start;
  display: flex;
  gap: 0.75rem;
  justify-content: space-between;
  padding: 1.15rem 1.15rem 0;
}

.card-rank {
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.68rem;
  font-weight: 800;
}

.card-title {
  font-size: 1.25rem;
  letter-spacing: -0.035em;
  line-height: 1.2;
  margin: 0.35rem 0 0;
}

.card-context {
  color: var(--muted);
  font-size: 0.74rem;
  margin: 0.25rem 0 0;
}

.card-score {
  display: grid;
  flex: 0 0 auto;
  grid-template-columns: auto auto;
  line-height: 1;
  text-align: right;
}

.score-label {
  color: var(--score-color);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.6rem;
  font-weight: 900;
  grid-column: 1 / -1;
  letter-spacing: 0.12em;
}

.score-number {
  color: var(--score-color);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 3.25rem;
  letter-spacing: -0.08em;
}

.card-score.is-new .score-number {
  font-family: inherit;
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  padding-top: 0.35rem;
}

.score-total {
  align-self: end;
  color: var(--muted);
  font-size: 0.62rem;
  padding: 0 0 0.42rem 0.18rem;
}

.coverage-group {
  padding: 1.25rem 1.15rem 0;
}

.coverage-group > div {
  display: flex;
  font-size: 0.72rem;
  justify-content: space-between;
}

.coverage-group strong {
  color: var(--blue);
}

.coverage-group progress {
  appearance: none;
  background: #dedbd2;
  border: 0;
  display: block;
  height: 5px;
  margin-top: 0.5rem;
  width: 100%;
}

.coverage-group progress::-webkit-progress-bar {
  background: #dedbd2;
}

.coverage-group progress::-webkit-progress-value {
  background: var(--blue);
}

.coverage-group progress::-moz-progress-bar {
  background: var(--blue);
}

.card-metrics {
  display: grid;
  gap: 1px;
  grid-template-columns: repeat(2, 1fr);
  margin: 1.15rem 1.15rem 0;
}

.card-metric {
  background: #eeece5;
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 0.7rem;
}

.metric-label {
  color: var(--muted);
  font-size: 0.66rem;
}

.metric-value {
  font-size: 1.1rem;
  margin-top: 0.1rem;
}

.metric-detail {
  color: var(--muted);
  font-size: 0.6rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.card-badges,
.detail-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.card-badges {
  min-height: 2rem;
  padding: 0.75rem 1.15rem 0;
}

.badge {
  border: 1px solid currentColor;
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  padding: 0.18rem 0.45rem;
}

.badge-split {
  background: #e2f0ed;
  color: #246554;
}

.badge-caveat {
  background: #f0e7f7;
  color: var(--caveat);
}

.badge-new {
  background: #eceff3;
  color: #3a4453;
}

.badge-naea {
  background: #ece9f6;
  color: #4b3b83;
}

.card-naea {
  border-top: 1px solid #e2dfd6;
  cursor: help;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  margin-top: 0.75rem;
  padding: 0.7rem 1.15rem 0;
}

.card-naea-label {
  color: var(--caveat);
  font-size: 0.6rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.card-naea-values {
  font-size: 0.82rem;
  font-weight: 700;
}

.card-footer {
  align-items: center;
  border-top: 1px solid #e2dfd6;
  display: flex;
  font-size: 0.72rem;
  font-weight: 800;
  justify-content: space-between;
  margin-top: auto;
  padding: 0.75rem 1.15rem;
}

.card-arrow {
  color: var(--score-color);
  font-size: 1rem;
}

.empty-results {
  background: var(--panel);
  border: 1px dashed var(--line);
  min-height: 280px;
  padding: 4rem 1rem;
  text-align: center;
}

.empty-results > span {
  color: var(--line);
  font-family: Georgia, serif;
  font-size: 4rem;
}

.empty-results h3 {
  margin: 0;
}

.empty-results p {
  color: var(--muted);
  margin-bottom: 0;
}

.detail-panel {
  background: var(--blue-deep);
  box-shadow: var(--shadow);
  color: #f7f4eb;
  max-height: calc(100vh - 2rem);
  min-height: 480px;
  overflow: auto;
  position: sticky;
  top: 1rem;
}

.detail-toolbar {
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.13);
  display: flex;
  font-size: 0.68rem;
  font-weight: 800;
  justify-content: space-between;
  letter-spacing: 0.12em;
  min-height: 3rem;
  padding-left: 1.25rem;
  text-transform: uppercase;
}

.detail-close {
  align-items: center;
  align-self: stretch;
  background: transparent;
  border: 0;
  border-left: 1px solid rgba(255, 255, 255, 0.13);
  color: #fff;
  cursor: pointer;
  display: flex;
  font-size: 1.65rem;
  justify-content: center;
  width: 3rem;
}

.detail-content {
  padding: 1.5rem;
}

.detail-placeholder {
  padding: 4rem 1rem;
  text-align: center;
}

.placeholder-score {
  align-items: center;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 50%;
  color: var(--amber);
  display: flex;
  font-family: Georgia, serif;
  font-size: 2.5rem;
  height: 6rem;
  justify-content: center;
  margin: 0 auto 1.5rem;
  width: 6rem;
}

.detail-placeholder h2 {
  font-size: 1.2rem;
  margin: 0;
}

.detail-placeholder p {
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.8rem;
  margin: 0.65rem auto 0;
  max-width: 18rem;
}

.detail-header h2 {
  font-size: 2.2rem;
  letter-spacing: -0.055em;
  line-height: 1.1;
  margin: 0.4rem 0;
  outline: none;
}

.detail-context {
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.78rem;
  margin: 0 0 0.9rem;
}

.detail-badges {
  margin-bottom: 1.2rem;
}

.detail-metrics {
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
}

.detail-metric {
  display: flex;
  flex-direction: column;
  padding: 0.85rem 0.5rem;
}

.detail-metric:nth-child(odd) {
  border-right: 1px solid rgba(255, 255, 255, 0.14);
}

.detail-metric:nth-child(-n + 2) {
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.detail-metric span {
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.65rem;
}

.detail-metric strong {
  color: var(--amber);
  font-family: Georgia, serif;
  font-size: 1.8rem;
  line-height: 1.2;
}

.detail-metric small {
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.62rem;
}

.detail-caveat {
  background: rgba(172, 112, 211, 0.16);
  border-left: 3px solid #bd8bde;
  color: #ead9f5;
  font-size: 0.72rem;
  margin: 1rem 0 0;
  padding: 0.75rem;
}

.detail-section {
  margin-top: 2rem;
}

.detail-section h3 {
  font-size: 1rem;
  margin: 0;
}

.section-note {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.68rem;
  margin: 0.2rem 0 0.75rem;
}

.section-empty {
  border: 1px dashed rgba(255, 255, 255, 0.2);
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.75rem;
  padding: 1rem;
}

.standard-list {
  display: grid;
  gap: 0.55rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.standard-list li {
  background: rgba(255, 255, 255, 0.065);
  border-left: 2px solid var(--amber);
  padding: 0.75rem;
}

.standard-list li > div {
  align-items: center;
  display: flex;
  gap: 0.5rem;
}

.standard-code {
  color: var(--amber);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.68rem;
  font-weight: 800;
}

.standard-domain {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.62rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.standard-label {
  font-size: 0.72rem;
  margin: 0.3rem 0 0;
}

.table-wrap {
  border: 1px solid rgba(255, 255, 255, 0.14);
  overflow-x: auto;
}

.field-section .table-wrap {
  margin-top: 0.75rem;
}

.field-table {
  min-width: 0;
}

.field-note {
  color: rgba(255, 255, 255, 0.74);
  font-size: 0.72rem;
  margin: 0.5rem 0 0;
}

.field-source {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.68rem;
  margin: 0.6rem 0 0;
}

.field-source a {
  color: var(--amber);
}

table {
  border-collapse: collapse;
  font-size: 0.68rem;
  min-width: 520px;
  width: 100%;
}

th,
td {
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  padding: 0.65rem;
  text-align: left;
  vertical-align: top;
}

th {
  background: rgba(255, 255, 255, 0.08);
  color: var(--amber);
  font-size: 0.6rem;
}

tbody tr:last-child td {
  border-bottom: 0;
}

.evidence-link {
  color: #fff;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  min-width: 145px;
}

.evidence-link small {
  color: rgba(255, 255, 255, 0.47);
  display: block;
  font-family: Pretendard, "Noto Sans KR", system-ui, sans-serif;
  margin-top: 0.3rem;
  max-width: 13rem;
}

.evidence-basis {
  color: rgba(255, 255, 255, 0.68);
}

.evidence-page {
  color: var(--amber);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  white-space: nowrap;
}

.sr-only {
  clip: rect(0, 0, 0, 0);
  clip-path: inset(50%);
  height: 1px;
  overflow: hidden;
  position: absolute;
  white-space: nowrap;
  width: 1px;
}

footer {
  background: #0c252e;
  color: rgba(255, 255, 255, 0.56);
  font-size: 0.72rem;
  padding: 1.3rem clamp(1rem, 4vw, 4rem);
  text-align: center;
}

footer p {
  margin: 0;
}

button:focus-visible,
input:focus-visible,
h2:focus-visible,
a:focus-visible {
  outline: 3px solid var(--amber);
  outline-offset: 3px;
}

@media (max-width: 1080px) {
  .dashboard-shell {
    grid-template-columns: minmax(0, 1fr) minmax(310px, 36%);
  }

  .subject-grid {
    grid-template-columns: repeat(auto-fill, minmax(235px, 1fr));
  }
}

@media (max-width: 760px) {
  html {
    scroll-behavior: auto;
  }

  .header-inner {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .header-mark {
    display: none;
  }

  .title-row {
    padding-bottom: 1.8rem;
  }

  .title-row p {
    font-size: 0.86rem;
  }

  .tab-list {
    max-width: none;
  }

  .tab-list button {
    gap: 0.4rem;
    grid-template-columns: 1fr;
    min-height: 4rem;
    padding: 0.6rem 0.8rem;
  }

  .tab-order,
  .tab-short {
    display: none;
  }

  .tab-label {
    font-size: 0.85rem;
    text-align: center;
  }

  .main-content {
    padding: 1rem 1rem 3rem;
  }

  .boundary-banner {
    grid-template-columns: 1fr;
  }

  .controls {
    align-items: stretch;
    flex-direction: column;
    gap: 1.25rem;
    padding-top: 2.4rem;
  }

  .search-wrap {
    max-width: none;
  }

  .dashboard-shell,
  .subject-grid {
    grid-template-columns: 1fr;
  }

  .subject-card {
    min-height: 320px;
  }

  .detail-panel {
    max-height: none;
    min-height: 400px;
    position: static;
    scroll-margin-top: 1rem;
  }

  .detail-content {
    padding: 1.25rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    transition-iteration-count: 1 !important;
  }
}

/* Back-link from the expert dashboard to the parent-facing 길잡이 home. */
.expert-backlink {
  margin: 0 0 12px;
  font-size: 0.9rem;
}
.expert-backlink a {
  color: var(--blue);
  text-decoration: underline;
  font-weight: 600;
}
.expert-backlink a:hover,
.expert-backlink a:focus-visible {
  color: var(--accent);
}