:root {
  --paper: #efe5d1;
  --paper-deep: #d9c8ad;
  --panel: #163b47;
  --panel-2: #1c4a56;
  --panel-3: #255e6b;
  --text: #f7f1e6;
  --text-muted: rgba(247, 241, 230, 0.74);
  --text-dark: #22363d;
  --line: rgba(255, 255, 255, 0.12);
  --line-strong: rgba(255, 255, 255, 0.2);
  --accent: #ef724c;
  --accent-soft: #f2c76d;
  --cool: #73c7cb;
  --shadow: 0 30px 64px rgba(18, 27, 32, 0.18);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 14px;
  --font-display: "Georgia", "Malgun Gothic", serif;
  --font-body: "Segoe UI Variable Text", "Malgun Gothic", "Noto Sans KR", sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: var(--font-body);
  color: var(--text-dark);
  background:
    radial-gradient(circle at top left, rgba(115, 199, 203, 0.14), transparent 24%),
    radial-gradient(circle at top right, rgba(239, 114, 76, 0.12), transparent 20%),
    linear-gradient(180deg, #efe6d5 0%, #e5d8c4 48%, #d9d0c0 100%);
}

body {
  position: relative;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    repeating-linear-gradient(
      165deg,
      rgba(36, 57, 65, 0.03) 0,
      rgba(36, 57, 65, 0.03) 2px,
      transparent 2px,
      transparent 48px
    );
  pointer-events: none;
  opacity: 0.45;
}

.backdrop {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at 16% 18%, rgba(115, 199, 203, 0.18), transparent 24%),
    radial-gradient(circle at 84% 12%, rgba(242, 199, 109, 0.16), transparent 18%),
    radial-gradient(circle at 74% 82%, rgba(239, 114, 76, 0.1), transparent 18%);
  pointer-events: none;
}

.app-shell {
  position: relative;
  width: min(1600px, calc(100vw - 28px));
  margin: 18px auto 40px;
}

.dashboard {
  display: grid;
  gap: 18px;
}

.card,
.fold-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-xl);
  color: var(--text);
  background:
    radial-gradient(circle at top right, rgba(242, 199, 109, 0.08), transparent 24%),
    linear-gradient(180deg, rgba(18, 59, 71, 0.99), rgba(25, 76, 88, 0.98));
  border: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: var(--shadow);
}

.card::before,
.fold-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), transparent 34%);
  pointer-events: none;
}

.card > *,
.fold-card > * {
  position: relative;
  z-index: 1;
}

.hero,
.map-card,
.inspector-card {
  padding: 22px;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: var(--font-display);
  letter-spacing: 0.01em;
}

p {
  margin: 0;
}

.eyebrow {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.7rem;
  font-weight: 800;
  color: rgba(247, 241, 230, 0.76);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
  padding-block: 18px;
}

.hero h1 {
  font-size: clamp(1.95rem, 2.8vw, 3.1rem);
  line-height: 1;
}

.lede {
  margin-top: 10px;
  max-width: 62ch;
  color: var(--text-muted);
  line-height: 1.64;
}

.lede strong {
  color: var(--text);
}

.hero-credit {
  margin-top: 12px;
  color: rgba(247, 241, 230, 0.86);
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.hero-pills,
.map-hint-row,
.mini-flow {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.hero-pills {
  justify-content: flex-end;
}

.hero-pills span,
.map-hint-row span,
.mini-flow span,
.probe-tag,
.fold-meta {
  display: inline-flex;
  align-items: center;
  padding: 9px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: #fff0d2;
  font-size: 0.82rem;
  font-weight: 700;
}

.card-copy,
#selectionSummary,
#transectCaption,
.control-copy {
  color: var(--text-muted);
  line-height: 1.62;
}

.map-card {
  display: grid;
  gap: 18px;
}

.map-topbar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 16px;
  align-items: end;
}

.map-intro h2 {
  font-size: clamp(1.8rem, 2.5vw, 2.7rem);
  line-height: 1.02;
}

.map-intro .card-copy {
  margin-top: 8px;
}

.map-tools {
  display: flex;
  justify-content: flex-end;
}

.segmented {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.segmented.small {
  justify-content: flex-end;
}

.segmented button {
  border: 0;
  border-radius: 999px;
  padding: 10px 14px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.06);
  transition: transform 180ms ease, background 180ms ease, color 180ms ease, box-shadow 180ms ease;
}

.segmented button:hover,
.segmented button.is-active {
  transform: translateY(-1px);
  background: linear-gradient(135deg, var(--accent), #ff9d68);
  color: #fff;
  box-shadow: 0 12px 24px rgba(239, 114, 76, 0.24);
}

.segmented button:disabled {
  cursor: not-allowed;
  opacity: 0.5;
  transform: none;
  background: rgba(255, 255, 255, 0.06);
  color: rgba(245, 239, 230, 0.78);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.04);
}

.map-stage {
  display: grid;
  gap: 12px;
}

.map-frame {
  padding: 14px;
  border-radius: 28px;
  border: 1px solid var(--line-strong);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.03)),
    radial-gradient(circle at 18% 26%, rgba(115, 199, 203, 0.1), transparent 28%);
}

canvas,
.svg-host,
.chart-host {
  width: 100%;
  border-radius: 22px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.04);
}

#mapCanvas {
  display: block;
  width: 100%;
  aspect-ratio: 2.35 / 1;
  min-height: 540px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.04);
}

.map-support-row {
  display: grid;
  grid-template-columns: minmax(240px, 0.72fr) minmax(0, 1.48fr);
  gap: 14px;
}

.map-side-card,
.mission-card,
.guidance-card,
.concept-card,
.probe-overview,
.control-block,
.control-note,
.control-copy-block,
.fact-pill,
.factor-chip,
.letter-chip,
.driver-section,
.trace-card {
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.map-side-card,
.probe-overview,
.control-note,
.mission-card,
.guidance-card,
.concept-card {
  padding: 15px 16px;
}

.subsection-head {
  display: grid;
  gap: 4px;
  margin-bottom: 10px;
}

.subsection-head h3 {
  font-size: 1.02rem;
}

.legend {
  display: grid;
  gap: 10px;
}

.legend-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.06);
  margin-right: 8px;
  margin-bottom: 8px;
  font-size: 0.88rem;
}

.legend-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  display: inline-block;
}

.legend-bar {
  height: 14px;
  border-radius: 999px;
}

.legend-scale {
  display: flex;
  justify-content: space-between;
  color: var(--text-muted);
  font-size: 0.82rem;
}

.legend-note {
  color: var(--text-muted);
  font-size: 0.82rem;
}

.spotlight-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.spotlight-button {
  display: grid;
  gap: 4px;
  align-content: start;
  text-align: left;
  padding: 12px 14px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  cursor: pointer;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

.spotlight-button strong {
  font-size: 0.93rem;
}

.spotlight-button span {
  color: var(--text-muted);
  font-size: 0.8rem;
  line-height: 1.42;
}

.spotlight-button:hover,
.spotlight-button.is-active {
  transform: translateY(-1px);
  border-color: rgba(239, 114, 76, 0.42);
  background: linear-gradient(135deg, rgba(239, 114, 76, 0.18), rgba(242, 199, 109, 0.12));
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.18);
}

.inspector-card {
  display: grid;
  gap: 18px;
}

.card-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 14px;
}

.card-head h2 {
  font-size: clamp(1.45rem, 1.8vw, 2rem);
  line-height: 1.05;
}

.probe-overview {
  display: grid;
  gap: 14px;
}

.koppen-panel {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 18px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.koppen-panel p {
  color: var(--text-muted);
}

.koppen-badge {
  min-width: 80px;
  height: 80px;
  border-radius: 24px;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: #10232a;
  box-shadow: inset 0 -10px 18px rgba(255, 255, 255, 0.12);
}

.context-banner {
  display: grid;
  gap: 10px;
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.context-banner p {
  color: var(--text-muted);
  line-height: 1.58;
}

.context-title {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: baseline;
}

.context-title strong {
  font-family: var(--font-display);
}

.context-title span {
  color: var(--text-muted);
  font-size: 0.88rem;
}

.probe-main {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 16px;
}

.probe-column,
.probe-reasoning {
  display: grid;
  gap: 14px;
  align-content: start;
}

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

.letter-chip,
.fact-pill,
.factor-chip,
.driver-section,
.trace-card {
  padding: 12px 14px;
}

.letter-chip strong {
  display: block;
  margin-bottom: 6px;
}

.letter-chip p {
  color: var(--text-muted);
  line-height: 1.48;
  font-size: 0.86rem;
}

.letter-symbol {
  display: inline-grid;
  place-items: center;
  min-width: 34px;
  height: 34px;
  margin-bottom: 10px;
  padding: 0 10px;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(239, 114, 76, 0.24), rgba(242, 199, 109, 0.18));
  color: #fff5df;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 800;
}

.fact-grid,
.factor-grid {
  display: grid;
  gap: 10px;
}

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

.factor-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.fact-pill span,
.factor-chip span {
  display: block;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.fact-pill strong,
.factor-chip strong {
  display: block;
  color: var(--text);
}

.fact-pill.compact {
  padding: 10px 12px;
}

.driver-stacks,
.trace-grid,
.mission-steps {
  display: grid;
  gap: 10px;
}

.driver-section {
  display: grid;
  gap: 10px;
}

.driver-section h3 {
  font-size: 1rem;
}

.driver-row {
  display: grid;
  grid-template-columns: minmax(105px, 1fr) minmax(124px, 1.2fr) auto;
  gap: 10px;
  align-items: center;
  font-size: 0.86rem;
}

.driver-row span,
.driver-row strong {
  color: var(--text-muted);
}

.driver-row strong {
  color: var(--text);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.driver-meter {
  position: relative;
  height: 10px;
  border-radius: 999px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.08);
}

.driver-meter i {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, rgba(239, 114, 76, 0.9), rgba(242, 199, 109, 0.95));
}

.driver-row.negative .driver-meter i {
  background: linear-gradient(90deg, rgba(103, 198, 200, 0.9), rgba(181, 199, 214, 0.95));
}

.trace-card span {
  display: block;
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.trace-card strong {
  display: block;
  font-size: 0.98rem;
  margin-bottom: 6px;
}

.trace-card p {
  color: var(--text-muted);
  line-height: 1.5;
}

.trace-card.pass {
  border-color: rgba(103, 198, 200, 0.28);
  background: rgba(103, 198, 200, 0.08);
}

.trace-card.warn {
  border-color: rgba(239, 114, 76, 0.3);
  background: rgba(239, 114, 76, 0.08);
}

.trace-card.neutral {
  border-color: rgba(255, 255, 255, 0.08);
}

.reason-list {
  margin: 0;
  padding-left: 18px;
  line-height: 1.72;
}

.reason-list li::marker {
  color: #ffd27d;
}

.utility-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  align-items: start;
}

.fold-card {
  padding: 0;
}

.fold-summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 18px 20px;
  cursor: pointer;
  list-style: none;
}

.fold-summary::-webkit-details-marker {
  display: none;
}

.fold-summary::after {
  content: "▾";
  flex: none;
  font-size: 1rem;
  color: #ffe3a6;
  transition: transform 180ms ease;
}

.fold-card[open] .fold-summary::after {
  transform: rotate(180deg);
}

.fold-summary h2 {
  font-size: 1.35rem;
  line-height: 1.04;
}

.fold-body {
  display: grid;
  gap: 14px;
  padding: 0 20px 20px;
}

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

.control-block {
  display: grid;
  gap: 10px;
  padding: 14px;
}

.control-span-2 {
  grid-column: 1 / -1;
}

.control-block.is-guided {
  background: linear-gradient(135deg, rgba(115, 199, 203, 0.12), rgba(239, 114, 76, 0.08));
  border-color: rgba(115, 199, 203, 0.3);
  box-shadow: inset 0 0 0 1px rgba(115, 199, 203, 0.1);
}

.control-block.is-disabled {
  opacity: 0.56;
}

.control-label,
.control-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  font-weight: 700;
}

select,
input[type="range"] {
  width: 100%;
}

select {
  appearance: none;
  border: 0;
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font: inherit;
  color: var(--text-dark);
  background: rgba(255, 249, 243, 0.96);
  box-shadow: inset 0 0 0 1px rgba(20, 48, 57, 0.08);
}

select:disabled,
input[type="range"]:disabled {
  cursor: not-allowed;
  opacity: 0.6;
}

input[type="range"] {
  accent-color: var(--accent);
}

.learning-card,
.transect-card {
  display: grid;
  gap: 14px;
  align-content: start;
  padding: 0;
}

.chart-empty {
  display: grid;
  gap: 8px;
  min-height: 250px;
  padding: 24px;
  align-content: center;
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
  color: var(--text);
}

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

.mission-step {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 12px;
  align-items: center;
  text-align: left;
  padding: 12px 14px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  cursor: pointer;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.mission-step span {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, 0.12);
  color: #ffe0a6;
  font-weight: 800;
}

.mission-step strong {
  font-size: 0.94rem;
}

.mission-step:hover,
.mission-step.is-active {
  transform: translateY(-1px);
  background: linear-gradient(135deg, rgba(115, 199, 203, 0.12), rgba(239, 114, 76, 0.08));
  border-color: rgba(115, 199, 203, 0.32);
  box-shadow: 0 14px 24px rgba(0, 0, 0, 0.14);
}

.mission-card,
.guidance-card,
.concept-card {
  display: grid;
  gap: 12px;
}

.mission-focus strong,
.guidance-card strong,
.concept-card strong {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-display);
}

.mission-focus p,
.guidance-card p,
.concept-card p {
  color: var(--text-muted);
  line-height: 1.58;
}

.mission-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.mission-grid section {
  padding: 12px 13px;
}

.mission-grid section span {
  display: block;
  margin-bottom: 6px;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.guidance-card ul,
.concept-card ul {
  margin: 0;
  padding-left: 18px;
  line-height: 1.62;
  color: var(--text-muted);
}

.guidance-note {
  font-size: 0.92rem;
  color: var(--text-muted);
}

.guidance-button {
  justify-self: start;
  border: 0;
  border-radius: 999px;
  padding: 11px 16px;
  background: linear-gradient(135deg, var(--accent), #ff9d68);
  color: #fff;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 12px 26px rgba(239, 114, 76, 0.24);
}

.inline-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.mini-chip {
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.06);
  color: var(--text-muted);
  font-size: 0.8rem;
}

.compact-grid {
  margin-top: 0;
}

.svg-host,
.chart-host {
  min-height: 250px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.axis-label,
.band-label,
.axis-title {
  fill: rgba(247, 241, 230, 0.78);
  font-family: var(--font-body);
}

.axis-label {
  font-size: 12px;
}

.axis-title,
.band-label {
  font-size: 13px;
  font-weight: 700;
}

.chart-axis,
.grid-line {
  stroke: rgba(247, 241, 230, 0.18);
  stroke-width: 1.3;
}

.itcz-line {
  stroke: #ef724c;
  stroke-width: 3;
  stroke-dasharray: 10 7;
}

.itcz-label {
  fill: #ffd173;
  font-size: 13px;
  font-weight: 700;
}

.probe-line {
  stroke: rgba(255, 255, 255, 0.82);
  stroke-width: 2;
  stroke-dasharray: 6 5;
}

.probe-dot {
  fill: #fff;
}

.mountain-line {
  stroke: rgba(247, 231, 184, 0.84);
  stroke-width: 2;
  stroke-dasharray: 8 5;
}

@media (max-width: 1280px) {
  .map-support-row,
  .utility-grid {
    grid-template-columns: 1fr;
  }

  .spotlight-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 980px) {
  .hero,
  .map-topbar,
  .probe-main {
    grid-template-columns: 1fr;
  }

  .hero-pills,
  .map-tools,
  .segmented.small {
    justify-content: flex-start;
  }

  #mapCanvas {
    min-height: 400px;
  }

  .control-grid {
    grid-template-columns: 1fr;
  }

  .control-span-2 {
    grid-column: auto;
  }
}

@media (max-width: 760px) {
  .app-shell {
    width: min(100vw - 16px, 1600px);
    margin: 8px auto 24px;
  }

  .hero,
  .map-card,
  .inspector-card {
    padding: 18px;
    border-radius: 24px;
  }

  .fold-card {
    border-radius: 24px;
  }

  .fold-summary,
  .fold-body {
    padding-inline: 16px;
  }

  .fold-summary {
    display: grid;
  }

  .fold-meta {
    width: fit-content;
  }

  .card-head,
  .map-topbar {
    display: grid;
    gap: 12px;
  }

  .spotlight-grid,
  .mission-grid,
  .letter-grid,
  .fact-grid,
  .factor-grid {
    grid-template-columns: 1fr;
  }

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

  .context-title {
    display: grid;
    gap: 4px;
  }

  .segmented {
    gap: 6px;
  }

  .segmented button {
    flex: 1 1 120px;
    padding: 10px 12px;
  }

  #mapCanvas {
    min-height: 260px;
  }

  .svg-host,
  .chart-host {
    min-height: 220px;
  }
}