:root {
  --canvas: #edf3f8;
  --canvas-deep: #e4ecf4;
  --surface: #ffffff;
  --surface-soft: #f7f9fc;
  --ink: #10213f;
  --ink-soft: #34445f;
  --muted: #6b7890;
  --line: #dbe4ee;
  --line-strong: #c9d5e3;
  --purple: #7659e8;
  --purple-dark: #5c41c8;
  --purple-soft: #eeeafd;
  --teal: #1a9f9a;
  --teal-soft: #e1f5f3;
  --coral: #ef7667;
  --coral-soft: #fceae7;
  --gold: #dba53c;
  --gold-soft: #fbf1d9;
  --danger: #bd4545;
  --danger-soft: #fff0ef;
  --shadow-sm: 0 1px 2px rgba(16, 33, 63, 0.04), 0 7px 22px rgba(31, 54, 82, 0.06);
  --shadow-md: 0 18px 48px rgba(23, 43, 72, 0.11), 0 3px 10px rgba(23, 43, 72, 0.05);
  --shadow-lg: 0 30px 80px rgba(15, 31, 57, 0.18);
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --content-width: 1240px;
  --font-sans: "Geist", "Avenir Next", "Segoe UI", Helvetica, Arial, sans-serif;
  color-scheme: light;
  font-family: var(--font-sans);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

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

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 84% 3%, rgba(118, 89, 232, 0.08), transparent 25rem),
    radial-gradient(circle at 0% 38%, rgba(26, 159, 154, 0.07), transparent 23rem),
    var(--canvas);
  font-size: 16px;
  line-height: 1.55;
}

body.drawer-open {
  overflow: hidden;
}

button,
input {
  font: inherit;
}

button {
  color: inherit;
}

button:not(:disabled),
a {
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.48;
}

a {
  color: inherit;
}

svg {
  display: block;
}

[hidden] {
  display: none !important;
}

::selection {
  color: var(--ink);
  background: #dcd4ff;
}

:focus-visible {
  outline: 3px solid rgba(92, 65, 200, 0.34);
  outline-offset: 3px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  border-radius: 8px;
  color: #fff;
  background: var(--ink);
  transform: translateY(-160%);
  transition: transform 160ms ease;
}

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

.app-shell {
  width: min(calc(100% - 48px), var(--content-width));
  margin: 0 auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 88px;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 13px;
  color: #fff;
  background: linear-gradient(145deg, var(--purple), var(--purple-dark));
  box-shadow: 0 9px 22px rgba(92, 65, 200, 0.23);
}

.brand-mark svg {
  width: 29px;
  height: 29px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
}

.brand-copy {
  display: grid;
  line-height: 1.2;
}

.brand-name {
  font-size: 0.98rem;
  font-weight: 750;
  letter-spacing: -0.015em;
}

.brand-tagline {
  margin-top: 3px;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 650;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.header-actions,
.export-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.button,
.icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  font-weight: 700;
  line-height: 1;
  transition:
    transform 160ms ease,
    border-color 160ms ease,
    box-shadow 160ms ease,
    background-color 160ms ease;
}

.button {
  min-height: 44px;
  gap: 9px;
  padding: 0 16px;
  border-radius: 12px;
  font-size: 0.88rem;
}

.button svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.button:not(:disabled):hover,
.icon-button:not(:disabled):hover {
  transform: translateY(-1px);
}

.button-quiet {
  color: var(--ink-soft);
  background: transparent;
}

.button-quiet:hover {
  background: rgba(255, 255, 255, 0.72);
}

.button-primary {
  color: #fff;
  background: var(--ink);
  box-shadow: 0 6px 16px rgba(16, 33, 63, 0.15);
}

.button-primary:not(:disabled):hover {
  background: #182e52;
  box-shadow: 0 9px 20px rgba(16, 33, 63, 0.18);
}

.button-secondary {
  border-color: var(--line-strong);
  background: var(--surface);
}

.button-secondary:not(:disabled):hover {
  border-color: #aebed1;
  box-shadow: var(--shadow-sm);
}

.button-accent {
  flex: 0 0 auto;
  min-height: 52px;
  padding-inline: 20px;
  color: var(--purple-dark);
  border-color: #d9d0fb;
  background: var(--purple-soft);
}

.button-accent:hover {
  border-color: #c6b8f8;
  background: #e6e0fb;
}

.collection-trigger {
  padding-right: 8px;
}

.count-badge {
  display: grid;
  min-width: 28px;
  height: 28px;
  padding: 0 7px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 9px;
  color: var(--ink);
  background: #fff;
  font-size: 0.76rem;
}

.hero {
  position: relative;
  display: grid;
  min-height: 430px;
  grid-template-columns: minmax(0, 1.14fr) minmax(380px, 0.86fr);
  gap: clamp(32px, 6vw, 88px);
  align-items: center;
  padding: clamp(48px, 7vw, 86px) clamp(32px, 6vw, 76px);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(115deg, rgba(255, 255, 255, 0.98) 0%, rgba(255, 255, 255, 0.93) 57%, rgba(246, 244, 255, 0.94) 100%);
  box-shadow: var(--shadow-md);
}

.hero::before {
  position: absolute;
  width: 260px;
  height: 260px;
  top: -150px;
  left: 46%;
  border-radius: 50%;
  background: rgba(26, 159, 154, 0.08);
  content: "";
}

.hero-copy {
  position: relative;
  z-index: 1;
}

.eyebrow,
.section-kicker {
  margin: 0;
  color: var(--purple-dark);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 9px;
}

.eyebrow > span {
  width: 24px;
  height: 3px;
  border-radius: 10px;
  background: linear-gradient(90deg, var(--purple), var(--teal));
}

h1,
h2,
h3,
p {
  overflow-wrap: break-word;
}

h1,
h2,
h3 {
  margin-top: 0;
  color: var(--ink);
  line-height: 1.12;
}

h1 {
  max-width: 690px;
  margin-bottom: 22px;
  margin-top: 18px;
  font-size: clamp(2.55rem, 5vw, 4.65rem);
  font-weight: 750;
  letter-spacing: -0.055em;
}

.hero-lede {
  max-width: 640px;
  margin: 0;
  color: var(--ink-soft);
  font-size: clamp(1.04rem, 1.45vw, 1.2rem);
  line-height: 1.68;
}

.hero-cues {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 30px;
  color: var(--muted);
  font-size: 0.73rem;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.hero-cues i {
  width: 22px;
  height: 1px;
  background: var(--line-strong);
}

.connection-map {
  position: relative;
  z-index: 1;
  width: min(100%, 390px);
  aspect-ratio: 1;
  justify-self: center;
}

.connection-map::before {
  position: absolute;
  inset: 10%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(118, 89, 232, 0.12), rgba(118, 89, 232, 0) 66%);
  content: "";
}

.map-orbit {
  position: absolute;
  border: 1px solid #d9d5ef;
  border-radius: 50%;
}

.map-orbit-one {
  inset: 8%;
}

.map-orbit-two {
  inset: 22%;
  border-style: dashed;
  opacity: 0.78;
}

.map-center {
  position: absolute;
  z-index: 2;
  inset: 32%;
  display: grid;
  place-items: center;
  border: 1px solid #dcd5fb;
  border-radius: 50%;
  color: var(--purple-dark);
  background: #fff;
  box-shadow: 0 16px 44px rgba(92, 65, 200, 0.18);
}

.map-center::after {
  position: absolute;
  inset: 9px;
  border: 1px solid #ece8fd;
  border-radius: 50%;
  content: "";
}

.map-center svg {
  position: relative;
  z-index: 1;
  width: 54%;
  margin-top: -8px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-width: 2.4;
}

.map-center span {
  position: absolute;
  z-index: 2;
  bottom: 18%;
  font-size: 0.62rem;
  font-weight: 850;
  letter-spacing: 0.13em;
}

.map-node {
  position: absolute;
  z-index: 3;
  width: 34px;
  height: 34px;
  border: 7px solid #fff;
  border-radius: 50%;
  box-shadow: 0 6px 16px rgba(16, 33, 63, 0.16);
}

.node-purple {
  top: 3.5%;
  left: 45%;
  background: var(--purple);
}

.node-teal {
  top: 42%;
  right: 2.5%;
  background: var(--teal);
}

.node-coral {
  bottom: 4.5%;
  left: 45%;
  background: var(--coral);
}

.node-gold {
  top: 42%;
  left: 2.5%;
  background: var(--gold);
}

.map-link {
  position: absolute;
  z-index: 1;
  width: 26%;
  height: 2px;
  top: 50%;
  left: 50%;
  background: linear-gradient(90deg, #cdc6ef, #e0dcec);
  transform-origin: left center;
}

.map-link-one {
  transform: rotate(-90deg);
}

.map-link-two {
  transform: rotate(0deg);
}

.map-link-three {
  transform: rotate(90deg);
}

.map-link-four {
  transform: rotate(180deg);
}

.map-caption {
  position: absolute;
  right: 0;
  bottom: 7%;
  left: 0;
  margin: 0;
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-align: center;
  text-transform: uppercase;
}

.path-nav {
  margin: 24px 0 52px;
}

.path-steps {
  display: grid;
  margin: 0;
  padding: 0;
  grid-template-columns: repeat(3, 1fr);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.7);
  box-shadow: var(--shadow-sm);
  list-style: none;
}

.path-step {
  position: relative;
  display: flex;
  min-height: 76px;
  align-items: center;
  gap: 12px;
  padding: 14px 24px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
}

.path-step + .path-step {
  border-left: 1px solid var(--line);
}

.path-step.is-active,
.path-step[aria-current="step"] {
  color: var(--ink);
  background: var(--surface);
}

.path-step.is-complete .step-number {
  color: #fff;
  border-color: var(--teal);
  background: var(--teal);
}

.step-number {
  display: grid;
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 11px;
  color: var(--muted);
  background: var(--surface);
  font-size: 0.76rem;
}

.is-active .step-number,
[aria-current="step"] .step-number {
  color: var(--purple-dark);
  border-color: #d7cdfa;
  background: var(--purple-soft);
}

.path-step small {
  display: block;
  margin-bottom: 2px;
  color: var(--muted);
  font-size: 0.63rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.status-card {
  display: flex;
  max-width: 620px;
  min-height: 72px;
  align-items: center;
  gap: 14px;
  margin: 0 auto 34px;
  padding: 16px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.86);
  box-shadow: var(--shadow-sm);
}

.status-card > div {
  display: grid;
}

.status-card strong {
  font-size: 0.9rem;
}

.status-card div span {
  color: var(--muted);
  font-size: 0.8rem;
}

.loading-spinner {
  width: 30px;
  height: 30px;
  border: 3px solid #ded7f8;
  border-top-color: var(--purple);
  border-radius: 50%;
  animation: spin 800ms linear infinite;
}

.status-error {
  color: var(--danger);
  border-color: #f2ceca;
  background: var(--danger-soft);
}

.status-icon {
  display: grid;
  flex: 0 0 auto;
  width: 30px;
  height: 30px;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: var(--danger);
  font-weight: 850;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.explorer {
  padding-bottom: 76px;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 48px;
  margin-bottom: 28px;
}

.section-heading h2,
.drawer-header h2 {
  margin: 8px 0 0;
  font-size: clamp(1.9rem, 3vw, 2.65rem);
  letter-spacing: -0.04em;
}

.section-heading > p {
  max-width: 475px;
  margin: 0 0 3px;
  color: var(--muted);
  font-size: 0.92rem;
}

.explorer-tools {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 22px;
}

.search-field {
  position: relative;
  display: flex;
  flex: 1 1 auto;
  align-items: center;
}

.search-field svg {
  position: absolute;
  left: 18px;
  width: 19px;
  height: 19px;
  pointer-events: none;
  fill: none;
  stroke: var(--muted);
  stroke-linecap: round;
  stroke-width: 1.6;
}

.search-field input {
  width: 100%;
  min-height: 52px;
  padding: 0 18px 0 50px;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 14px;
  outline: none;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow-sm);
  transition:
    border-color 160ms ease,
    box-shadow 160ms ease,
    background-color 160ms ease;
}

.search-field input::placeholder {
  color: #8792a5;
}

.search-field input:focus {
  border-color: #aa99ec;
  background: #fff;
  box-shadow: 0 0 0 4px rgba(118, 89, 232, 0.11), var(--shadow-sm);
}

.area-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.area-card,
.interest-card {
  position: relative;
  display: grid;
  min-height: 218px;
  padding: 24px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  color: var(--ink);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  text-align: left;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease;
}

.area-card::before,
.interest-card::before {
  position: absolute;
  width: 110px;
  height: 110px;
  top: -56px;
  right: -44px;
  border-radius: 50%;
  background: var(--card-tint, var(--purple-soft));
  content: "";
  transition: transform 220ms ease;
}

.area-card:nth-child(4n + 1),
.interest-card:nth-child(4n + 1) {
  --card-accent: var(--purple);
  --card-tint: var(--purple-soft);
}

.area-card:nth-child(4n + 2),
.interest-card:nth-child(4n + 2) {
  --card-accent: var(--teal);
  --card-tint: var(--teal-soft);
}

.area-card:nth-child(4n + 3),
.interest-card:nth-child(4n + 3) {
  --card-accent: var(--coral);
  --card-tint: var(--coral-soft);
}

.area-card:nth-child(4n + 4),
.interest-card:nth-child(4n + 4) {
  --card-accent: var(--gold);
  --card-tint: var(--gold-soft);
}

.area-card:hover,
.interest-card:hover {
  border-color: color-mix(in srgb, var(--card-accent, var(--purple)) 42%, var(--line));
  box-shadow: 0 16px 36px rgba(24, 45, 73, 0.11);
  transform: translateY(-4px);
}

.area-card:hover::before,
.interest-card:hover::before {
  transform: scale(1.28);
}

.area-card:focus-visible,
.interest-card:focus-visible {
  border-color: var(--card-accent, var(--purple));
}

.area-card__top,
.interest-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.area-card__icon,
.interest-card__icon,
.subarea-icon {
  position: relative;
  z-index: 1;
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border-radius: 14px;
  color: var(--card-accent, var(--purple));
  background: var(--card-tint, var(--purple-soft));
}

.area-card__icon svg,
.interest-card__icon svg,
.subarea-icon svg {
  width: 22px;
  height: 22px;
}

.area-card__count,
.interest-card__count,
.count-label {
  position: relative;
  z-index: 1;
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.area-card h3,
.interest-card h3 {
  align-self: end;
  margin: 30px 0 8px;
  font-size: 1.22rem;
  letter-spacing: -0.025em;
}

.area-card p,
.interest-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.55;
}

.area-card__arrow,
.interest-card__arrow {
  position: absolute;
  right: 20px;
  bottom: 20px;
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border-radius: 10px;
  color: var(--card-accent, var(--purple));
  background: var(--card-tint, var(--purple-soft));
}

.area-card__name {
  align-self: end;
  margin: 28px 0 8px;
  font-size: 1.2rem;
  font-weight: 750;
  letter-spacing: -0.025em;
  line-height: 1.2;
}

.area-card__summary {
  margin: 0;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.55;
}

.area-card__meta,
.meta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 12px;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 700;
}

.area-card__matches {
  margin: 12px 0 0;
  color: var(--ink-soft);
  font-size: 0.76rem;
}

.search-hit-list {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin: 8px 0 0;
  padding: 0;
  list-style: none;
}

.search-hit {
  padding: 3px 7px;
  border-radius: 999px;
  color: var(--purple-dark);
  background: var(--purple-soft);
  font-size: 0.66rem;
  font-weight: 700;
}

.area-card__actions,
.connection-card__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
}

.area-open-button {
  flex: 1 1 auto;
}

.button--primary {
  color: #fff;
  background: var(--ink);
  box-shadow: 0 6px 16px rgba(16, 33, 63, 0.15);
}

.button--primary:not(:disabled):hover {
  background: #182e52;
}

.button--secondary {
  border-color: var(--line-strong);
  background: var(--surface);
}

.button--secondary:not(:disabled):hover {
  border-color: #aebed1;
  box-shadow: var(--shadow-sm);
}

.button--quiet {
  color: var(--ink-soft);
  background: transparent;
}

.button--quiet:not(:disabled):hover {
  background: var(--surface-soft);
}

.empty-search {
  grid-column: 1 / -1;
  padding: 52px 24px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-lg);
  color: var(--muted);
  background: rgba(255, 255, 255, 0.52);
  text-align: center;
}

.workspace {
  padding-bottom: 84px;
}

.breadcrumbs {
  display: flex;
  min-height: 40px;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 6px 0 18px;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 700;
}

.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.breadcrumb-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.breadcrumb-item + .breadcrumb-item::before {
  color: #9ba7b8;
  content: "/";
}

.breadcrumb-button {
  border: 0;
  color: var(--ink-soft);
  background: transparent;
  font-size: inherit;
  font-weight: inherit;
}

.breadcrumb-item:last-child .breadcrumb-button,
.breadcrumb-item:last-child {
  color: var(--muted);
}

.breadcrumbs button,
.breadcrumb-link {
  padding: 6px 9px;
  border: 0;
  border-radius: 8px;
  color: var(--ink-soft);
  background: transparent;
}

.breadcrumbs button:hover,
.breadcrumb-link:hover {
  color: var(--purple-dark);
  background: rgba(255, 255, 255, 0.75);
}

.breadcrumb-separator {
  color: #9ba7b8;
}

.detail-panel {
  min-height: 480px;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: var(--surface);
  box-shadow: var(--shadow-md);
}

.detail-view {
  min-width: 0;
}

.detail-header {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: start;
  padding: clamp(30px, 5vw, 58px);
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  background:
    radial-gradient(circle at 100% 0%, rgba(26, 159, 154, 0.13), transparent 20rem),
    linear-gradient(125deg, var(--surface) 36%, var(--purple-soft));
}

.detail-heading {
  min-width: 0;
}

.detail-heading h2 {
  max-width: 850px;
  margin: 10px 0 16px;
  font-size: clamp(2rem, 4vw, 3.6rem);
  letter-spacing: -0.05em;
}

.detail-lead {
  max-width: 830px;
  margin: 0;
  color: var(--ink-soft);
  font-size: 1rem;
  line-height: 1.72;
}

.detail-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: end;
  gap: 8px;
}

.detail-view > .detail-body,
.detail-view > section:not(.detail-header) {
  padding-right: clamp(22px, 4vw, 48px);
  padding-left: clamp(22px, 4vw, 48px);
}

.detail-view > section:last-child {
  padding-bottom: clamp(30px, 5vw, 58px);
}

.detail-hero,
.area-detail-header {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 32px;
  padding: clamp(32px, 5vw, 60px);
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  background: linear-gradient(125deg, var(--surface) 35%, var(--purple-soft));
}

.detail-hero h2,
.area-detail-header h2 {
  max-width: 760px;
  margin: 10px 0 15px;
  font-size: clamp(2rem, 4vw, 3.65rem);
  letter-spacing: -0.05em;
}

.detail-hero p,
.area-detail-header p {
  max-width: 760px;
  margin: 0;
  color: var(--ink-soft);
  font-size: 1rem;
  line-height: 1.7;
}

.save-button,
.bookmark-button {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 14px;
  border: 1px solid #d9d0fb;
  border-radius: 11px;
  color: var(--purple-dark);
  background: #fff;
  font-size: 0.78rem;
  font-weight: 800;
}

.save-button:hover,
.bookmark-button:hover,
.save-button.is-saved,
.bookmark-button.is-saved,
[aria-pressed="true"].save-button,
[aria-pressed="true"].bookmark-button {
  background: var(--purple-soft);
}

.detail-body {
  padding: clamp(26px, 4vw, 48px);
}

.detail-section + .detail-section {
  margin-top: 44px;
}

.detail-section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 18px;
}

.detail-section-heading h3,
.detail-section > h3 {
  margin: 0;
  font-size: 1.42rem;
  letter-spacing: -0.025em;
}

.detail-section-heading p {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.subarea-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.choice-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  padding: clamp(26px, 4vw, 48px);
}

.connection-card {
  position: relative;
  display: flex;
  min-height: 210px;
  flex-direction: column;
  padding: 24px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface-soft);
  transition:
    transform 160ms ease,
    border-color 160ms ease,
    box-shadow 160ms ease,
    background-color 160ms ease;
}

.connection-card::after {
  position: absolute;
  width: 90px;
  height: 90px;
  top: -52px;
  right: -34px;
  border-radius: 50%;
  background: var(--purple-soft);
  content: "";
}

.connection-card:hover {
  border-color: #cbbff6;
  background: #fff;
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

.connection-card__title {
  margin: 0 0 10px;
  padding-right: 18px;
  font-size: 1.08rem;
  font-weight: 760;
  letter-spacing: -0.02em;
  line-height: 1.28;
}

.connection-card__summary {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.58;
}

.connection-card__meta {
  margin-top: auto;
  padding-top: 16px;
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 750;
}

.finding-statement {
  margin: 0;
  padding: 22px 24px;
  border-left: 4px solid var(--purple);
  border-radius: 5px 14px 14px 5px;
  color: var(--ink);
  background: var(--purple-soft);
  font-size: 1.02rem;
  font-weight: 680;
  line-height: 1.6;
}

.why-card {
  display: grid;
  gap: 8px;
  margin: 18px 0;
  padding: 20px 22px;
  border: 1px solid #c9e8e5;
  border-radius: 14px;
  color: var(--ink-soft);
  background: var(--teal-soft);
}

.why-card strong {
  color: #126d69;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.subarea-card {
  position: relative;
  display: grid;
  min-height: 170px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  color: var(--ink);
  background: var(--surface-soft);
  text-align: left;
  transition:
    transform 160ms ease,
    border-color 160ms ease,
    box-shadow 160ms ease;
}

.subarea-card:hover {
  border-color: #cbbff6;
  background: #fff;
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

.subarea-card h3,
.subarea-card h4 {
  margin: 24px 0 8px;
  font-size: 1.02rem;
  letter-spacing: -0.01em;
}

.subarea-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.8rem;
}

.paper-list,
.finding-list {
  display: grid;
  gap: 12px;
}

.paper-card,
.finding-card {
  position: relative;
  padding: 22px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: #fff;
}

.paper-card:hover,
.finding-card:hover {
  border-color: #c9d4e2;
  box-shadow: var(--shadow-sm);
}

.paper-card h3,
.paper-card h4,
.finding-card h3,
.finding-card h4 {
  max-width: 820px;
  margin: 8px 54px 8px 0;
  font-size: 1rem;
  line-height: 1.36;
}

.paper-card__citation {
  max-width: 860px;
  margin: 0;
  color: var(--ink);
  font-size: 0.92rem;
  font-weight: 700;
  line-height: 1.5;
}

.paper-card__finding {
  margin: 12px 0 0;
  color: var(--ink-soft);
  font-size: 0.82rem;
  line-height: 1.6;
}

.paper-card__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 15px;
}

.paper-meta,
.paper-authors,
.metadata {
  color: var(--muted);
  font-size: 0.76rem;
}

.paper-actions,
.card-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
}

.paper-link,
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--purple-dark);
  font-size: 0.78rem;
  font-weight: 800;
  text-decoration: none;
}

.paper-link:hover,
.text-link:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.why-matters,
.evidence-snapshot,
.callout {
  margin-top: 14px;
  padding: 14px 16px;
  border-left: 3px solid var(--teal);
  border-radius: 4px 10px 10px 4px;
  color: var(--ink-soft);
  background: var(--teal-soft);
  font-size: 0.82rem;
}

.tag,
.pill,
.type-label {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 3px 8px;
  border-radius: 999px;
  color: var(--purple-dark);
  background: var(--purple-soft);
  font-size: 0.64rem;
  font-weight: 800;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.evidence-region {
  margin-top: 40px;
  padding-top: 34px;
  border-top: 1px solid var(--line);
}

.evidence-region > h3 {
  margin-bottom: 18px;
  font-size: 1.42rem;
  letter-spacing: -0.025em;
}

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

.evidence-visual {
  min-width: 0;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface-soft);
}

button.evidence-visual {
  width: 100%;
  color: inherit;
  text-align: left;
}

.evidence-visual:hover {
  border-color: #c7baf5;
  box-shadow: var(--shadow-sm);
}

.visual-media {
  display: grid;
  width: 100%;
  min-height: 210px;
  overflow: hidden;
  place-items: center;
  border-radius: 11px;
  background:
    linear-gradient(45deg, rgba(16, 33, 63, 0.025) 25%, transparent 25%) 0 0 / 18px 18px,
    linear-gradient(-45deg, rgba(16, 33, 63, 0.025) 25%, transparent 25%) 0 0 / 18px 18px,
    #fff;
}

.visual-media img,
.visual-media svg,
.visual-media video {
  display: block;
  max-width: 100%;
  max-height: 460px;
  object-fit: contain;
}

.visual-caption {
  margin: 12px 4px 4px;
  color: var(--ink-soft);
  font-size: 0.78rem;
  line-height: 1.5;
}

.visual-credit,
.visual-description {
  margin: 6px 4px 2px;
  color: var(--muted);
  font-size: 0.68rem;
  line-height: 1.45;
}

.snapshot-fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 20px;
  margin: 10px 0 0;
}

.snapshot-fields > div {
  min-width: 0;
}

.snapshot-fields dt {
  color: #137b76;
  font-size: 0.65rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.snapshot-fields dd {
  margin: 3px 0 0;
  color: var(--ink-soft);
  font-size: 0.78rem;
}

.empty-state {
  display: grid;
  min-height: 220px;
  place-content: center;
  justify-items: center;
  padding: 34px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-md);
  color: var(--muted);
  background: var(--surface-soft);
  text-align: center;
}

.collection-drawer {
  position: fixed;
  z-index: 100;
  top: 0;
  right: 0;
  display: grid;
  width: min(500px, 94vw);
  height: 100dvh;
  grid-template-rows: auto minmax(0, 1fr) auto;
  background: var(--surface);
  box-shadow: var(--shadow-lg);
  transform: translateX(calc(100% + 24px));
  visibility: hidden;
  transition:
    transform 260ms cubic-bezier(0.22, 0.76, 0.24, 1),
    visibility 0s linear 260ms;
}

.collection-drawer.is-open,
.collection-drawer[aria-hidden="false"] {
  transform: translateX(0);
  visibility: visible;
  transition-delay: 0s;
}

.drawer-backdrop {
  position: fixed;
  z-index: 90;
  inset: 0;
  background: rgba(10, 24, 45, 0.48);
  backdrop-filter: blur(2px);
  animation: fade-in 180ms ease both;
}

@keyframes fade-in {
  from {
    opacity: 0;
  }
}

.drawer-header {
  display: flex;
  min-height: 104px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 24px 26px;
  border-bottom: 1px solid var(--line);
}

.drawer-header h2 {
  font-size: 1.75rem;
}

.icon-button {
  flex: 0 0 auto;
  width: 42px;
  height: 42px;
  border-color: var(--line);
  border-radius: 12px;
  background: var(--surface-soft);
}

.icon-button:hover {
  border-color: var(--line-strong);
  background: var(--surface);
}

.icon-button svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-width: 1.7;
}

.collection-content {
  min-height: 0;
  padding: 20px 26px;
  overflow: auto;
  overscroll-behavior: contain;
}

.empty-collection {
  display: grid;
  min-height: 340px;
  place-content: center;
  justify-items: center;
  padding: 34px;
  color: var(--muted);
  text-align: center;
}

.collection-empty {
  display: grid;
  min-height: 340px;
  place-content: center;
  justify-items: center;
  padding: 34px;
  color: var(--muted);
  text-align: center;
}

.collection-empty h3 {
  margin: 12px 0 6px;
  color: var(--ink);
  font-size: 1rem;
}

.collection-empty p {
  max-width: 290px;
  margin: 0;
  font-size: 0.82rem;
}

.empty-collection > span {
  display: grid;
  width: 70px;
  height: 70px;
  place-items: center;
  border-radius: 22px;
  color: var(--purple);
  background: var(--purple-soft);
}

.empty-collection svg {
  width: 34px;
  height: 34px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.6;
}

.empty-collection h3 {
  margin: 18px 0 7px;
  font-size: 1.08rem;
}

.empty-collection p {
  max-width: 285px;
  margin: 0;
  font-size: 0.84rem;
}

.collection-group + .collection-group {
  margin-top: 26px;
}

.collection-group-title {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 0.67rem;
  font-weight: 850;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.collection-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface-soft);
}

.collection-item + .collection-item {
  margin-top: 8px;
}

.collection-item h3,
.collection-item h4 {
  margin: 0 0 4px;
  font-size: 0.86rem;
  line-height: 1.35;
}

.collection-item__main {
  min-width: 0;
}

.collection-item__main strong {
  display: block;
  margin-bottom: 4px;
  font-size: 0.84rem;
  line-height: 1.35;
}

.collection-item__main small {
  display: block;
  color: var(--muted);
  font-size: 0.7rem;
}

.collection-item__remove {
  display: grid;
  width: auto;
  min-width: max-content;
  min-height: 36px;
  align-self: start;
  place-items: center;
  padding: 0 10px;
  border: 0;
  border-radius: 9px;
  color: var(--muted);
  background: transparent;
  font-size: 0.72rem;
  font-weight: 750;
  white-space: nowrap;
}

.collection-item__remove:hover {
  color: var(--danger);
  background: var(--danger-soft);
}

.collection-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.collection-item p {
  margin: 0;
  color: var(--muted);
  font-size: 0.72rem;
}

.remove-item {
  width: 32px;
  height: 32px;
  padding: 0;
  border: 0;
  border-radius: 9px;
  color: var(--muted);
  background: transparent;
}

.remove-item:hover {
  color: var(--danger);
  background: var(--danger-soft);
}

.drawer-footer {
  padding: 18px 26px 24px;
  border-top: 1px solid var(--line);
  background: var(--surface-soft);
}

.drawer-footer > p {
  margin: 0 0 11px;
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.drawer-footer .button {
  flex: 1 1 0;
}

.toast-region {
  position: fixed;
  z-index: 200;
  right: 22px;
  bottom: 22px;
  display: grid;
  width: min(390px, calc(100vw - 44px));
  gap: 8px;
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 15px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 12px;
  color: #fff;
  background: var(--ink);
  box-shadow: var(--shadow-md);
  font-size: 0.82rem;
  font-weight: 700;
  animation: toast-in 220ms ease both;
}

.toast--error {
  background: #8f3535;
}

.modal {
  width: min(880px, calc(100vw - 32px));
  max-height: min(88vh, 860px);
  padding: 0;
  overflow: hidden;
  border: 0;
  border-radius: var(--radius-lg);
  color: var(--ink);
  background: transparent;
  box-shadow: var(--shadow-lg);
}

.modal::backdrop {
  background: rgba(10, 24, 45, 0.58);
  backdrop-filter: blur(3px);
}

.modal__surface {
  display: grid;
  max-height: min(88vh, 860px);
  grid-template-rows: auto minmax(0, 1fr);
  overflow: hidden;
  background: #fff;
}

.modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 22px;
  border-bottom: 1px solid var(--line);
}

.modal__header h2,
.modal__header h3 {
  margin: 0;
  font-size: 1.05rem;
}

.modal__close {
  display: grid;
  flex: 0 0 auto;
  width: 38px;
  height: 38px;
  place-items: center;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface-soft);
}

.modal__body {
  min-height: 0;
  padding: 22px;
  overflow: auto;
  overscroll-behavior: contain;
}

.ai-prompt-dialog {
  width: min(960px, calc(100vw - 32px));
}

.ai-prompt-dialog__surface {
  height: min(88vh, 820px);
}

.ai-prompt-dialog__body {
  display: grid;
  min-width: 0;
  grid-template-rows: auto auto auto minmax(180px, 1fr) auto auto auto auto;
  gap: 10px;
  overflow: hidden;
}

.ai-prompt-dialog__description,
.ai-prompt-dialog__meta,
.ai-prompt-dialog__warning,
.ai-prompt-dialog__status {
  margin: 0;
}

.ai-prompt-dialog__description {
  color: var(--ink-soft);
  line-height: 1.55;
}

.ai-prompt-history {
  display: grid;
  min-height: 44px;
  min-width: 0;
  box-sizing: border-box;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border: 1px solid #d9d0fb;
  border-radius: 12px;
  background: #f7f4ff;
}

.ai-prompt-history__control {
  position: relative;
  width: 44px;
  height: 24px;
  appearance: none;
  border: 1px solid #aebed1;
  border-radius: 999px;
  background: #dce4ee;
  cursor: pointer;
  transition: border-color 160ms ease, background-color 160ms ease;
}

.ai-prompt-history__control::before {
  position: absolute;
  width: 18px;
  height: 18px;
  top: 2px;
  left: 2px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 4px rgba(16, 33, 63, 0.24);
  content: "";
  transition: transform 160ms ease;
}

.ai-prompt-history__control:checked {
  border-color: var(--purple);
  background: var(--purple);
}

.ai-prompt-history__control:checked::before {
  transform: translateX(20px);
}

.ai-prompt-history__label {
  display: grid;
  min-width: 0;
  gap: 3px;
  cursor: pointer;
}

.ai-prompt-history__title {
  color: var(--ink);
  font-size: 0.82rem;
  font-weight: 800;
}

.ai-prompt-history__description {
  color: var(--muted);
  font-size: 0.72rem;
  line-height: 1.4;
}

.ai-prompt-dialog__label {
  color: var(--ink);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.ai-prompt-dialog__preview {
  width: 100%;
  min-width: 0;
  min-height: 0;
  box-sizing: border-box;
  resize: none;
  padding: 16px;
  overflow: auto;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  color: var(--ink);
  background: #f7f9fc;
  font: 500 0.78rem/1.55 ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  overflow-wrap: anywhere;
  white-space: pre-wrap;
}

.ai-prompt-dialog__meta {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 650;
  line-height: 1.45;
}

.ai-prompt-dialog__warning {
  padding: 9px 11px;
  border: 1px solid #ead59a;
  border-radius: 9px;
  color: #694d08;
  background: #fff9e8;
  font-size: 0.74rem;
  font-weight: 650;
  line-height: 1.4;
}

.ai-prompt-dialog__status {
  min-height: 1.35em;
  color: var(--teal);
  font-size: 0.76rem;
  font-weight: 750;
}

.ai-prompt-dialog__actions {
  display: flex;
  justify-content: flex-end;
}

.ai-prompt-dialog__copy {
  min-width: 210px;
}

.ai-prompt-dialog__close {
  font-size: 1.35rem;
  font-weight: 450;
  line-height: 1;
}

.visual-lightbox .modal__body {
  display: grid;
  place-items: center;
  background: #f3f6fa;
}

.visual-lightbox .modal__body img,
.visual-lightbox .modal__body svg {
  max-width: 100%;
  max-height: calc(88vh - 120px);
  object-fit: contain;
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
}

.site-footer {
  display: flex;
  min-height: 88px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-top: 1px solid rgba(201, 213, 227, 0.8);
  color: var(--muted);
  font-size: 0.73rem;
  font-weight: 700;
}

@media (max-width: 1040px) {
  .hero {
    min-height: 390px;
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 28px;
  }

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

@media (max-width: 780px) {
  .app-shell {
    width: min(calc(100% - 28px), var(--content-width));
  }

  .site-header {
    min-height: 76px;
  }

  .brand-tagline,
  .button-quiet span,
  .connection-map {
    display: none;
  }

  .button-quiet {
    width: 42px;
    padding: 0;
  }

  .hero {
    min-height: 0;
    grid-template-columns: 1fr;
    padding: 52px 28px;
  }

  h1 {
    font-size: clamp(2.45rem, 10vw, 3.8rem);
  }

  .path-step {
    min-height: 64px;
    justify-content: center;
    padding: 10px;
    text-align: center;
  }

  .path-step > span:last-child {
    display: none;
  }

  .section-heading {
    display: grid;
    gap: 14px;
  }

  .section-heading > p {
    max-width: 620px;
  }

  .detail-hero,
  .area-detail-header {
    grid-template-columns: 1fr;
  }

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

  .detail-header {
    grid-template-columns: 1fr;
  }

  .detail-actions {
    justify-content: start;
  }

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

@media (max-width: 560px) {
  .site-header {
    gap: 10px;
  }

  .brand-copy {
    display: none;
  }

  .header-actions {
    margin-left: auto;
  }

  .collection-trigger > span:not(.count-badge) {
    display: none;
  }

  .collection-trigger {
    padding-left: 12px;
  }

  .hero {
    padding: 42px 23px;
    border-radius: 24px;
  }

  .hero-cues {
    gap: 8px;
    font-size: 0.63rem;
  }

  .hero-cues i {
    width: 12px;
  }

  .path-nav {
    margin-bottom: 40px;
  }

  .explorer-tools {
    display: grid;
  }

  .button-accent {
    width: 100%;
  }

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

  .area-card,
  .interest-card {
    min-height: 190px;
  }

  .detail-panel {
    border-radius: 22px;
  }

  .detail-hero,
  .area-detail-header {
    padding: 28px 22px;
    border-radius: 22px 22px 0 0;
  }

  .detail-body {
    padding: 24px 18px;
  }

  .paper-card,
  .finding-card {
    padding: 18px;
  }

  .choice-grid {
    padding: 20px 16px;
  }

  .connection-card {
    min-height: 180px;
    padding: 20px;
  }

  .snapshot-fields {
    grid-template-columns: 1fr;
  }

  .drawer-header,
  .collection-content,
  .drawer-footer {
    padding-right: 18px;
    padding-left: 18px;
  }

  .export-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .export-actions .button {
    padding-inline: 10px;
    font-size: 0.75rem;
  }

  .site-footer {
    min-height: 76px;
  }

  .site-footer span:last-child {
    display: none;
  }
}

@media (max-height: 620px) {
  .ai-prompt-dialog {
    max-height: calc(100dvh - 16px);
  }

  .ai-prompt-dialog__surface {
    height: calc(100dvh - 16px);
    max-height: calc(100dvh - 16px);
  }

  .ai-prompt-dialog .modal__header {
    padding-block: 12px;
  }

  .ai-prompt-dialog__body {
    grid-template-rows: auto auto auto minmax(42px, 1fr) auto auto auto auto;
    gap: 4px;
    padding-block: 8px;
    overflow-y: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media (forced-colors: active) {
  .brand-mark,
  .button-primary,
  .loading-spinner,
  .status-icon,
  .map-node {
    forced-color-adjust: none;
  }

  .area-card,
  .interest-card,
  .subarea-card,
  .paper-card,
  .finding-card,
  .detail-panel {
    border: 2px solid CanvasText;
  }
}

/* Illustrated, reorderable interest board */

.home-intro__actions {
  display: grid;
  max-width: 420px;
  justify-items: end;
  gap: 7px;
  margin-bottom: 5px;
}

.home-intro__actions p {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
  text-align: right;
}

.layout-reset {
  padding: 3px 0;
  border: 0;
  color: var(--purple-dark);
  background: transparent;
  font-size: 0.72rem;
  font-weight: 800;
  text-decoration: underline;
  text-decoration-color: rgba(92, 65, 200, 0.35);
  text-underline-offset: 3px;
}

.layout-reset:hover {
  text-decoration-color: currentColor;
}

.interest-map {
  padding: 0;
}

.area-grid {
  position: relative;
  z-index: 3;
  inset: auto;
  display: grid;
  width: 100%;
  height: 100%;
  min-height: 0;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-template-rows: repeat(3, minmax(0, 1fr));
  gap: 12px;
  padding: 12px;
  overflow: auto;
  pointer-events: auto;
  overscroll-behavior: contain;
}

.interest-tile {
  --card-accent: var(--purple);
  --card-tint: var(--purple-soft);
  position: relative;
  min-width: 0;
  min-height: 0;
  transition: transform 160ms ease;
  will-change: transform;
}

.interest-tile[data-tone="2"] {
  --card-accent: var(--teal);
  --card-tint: var(--teal-soft);
}

.interest-tile[data-tone="3"] {
  --card-accent: var(--coral);
  --card-tint: var(--coral-soft);
}

.interest-tile[data-tone="4"] {
  --card-accent: var(--gold);
  --card-tint: var(--gold-soft);
}

.interest-tile__open {
  position: relative;
  display: grid;
  width: 100%;
  height: 100%;
  min-width: 0;
  min-height: 0;
  grid-template-rows: minmax(0, 1fr) auto;
  gap: 8px;
  padding: 11px 15px 14px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 22px;
  color: var(--ink);
  background:
    radial-gradient(circle at 50% 22%, color-mix(in srgb, var(--card-tint) 78%, transparent), transparent 62%),
    rgba(255, 255, 255, 0.97);
  box-shadow: var(--shadow-sm);
  text-align: left;
  transition:
    transform 170ms ease,
    border-color 170ms ease,
    box-shadow 170ms ease,
    background-color 170ms ease;
}

.interest-tile__open:hover {
  border-color: color-mix(in srgb, var(--card-accent) 48%, var(--line));
  box-shadow: 0 15px 34px rgba(24, 45, 73, 0.13);
  transform: translateY(-2px);
}

.interest-tile__open:focus-visible,
.interest-tile__open.is-active {
  border-color: var(--card-accent);
}

.area-graphic {
  position: relative;
  z-index: 1;
  display: grid;
  width: min(100%, 220px);
  height: 100%;
  min-height: 74px;
  max-height: 132px;
  place-items: center;
  align-self: center;
  justify-self: center;
  color: var(--card-accent);
}

.area-graphic::before {
  position: absolute;
  width: min(82%, 150px);
  aspect-ratio: 1.45;
  border-radius: 50%;
  background: color-mix(in srgb, var(--card-tint) 74%, transparent);
  filter: blur(1px);
  content: "";
}

.area-graphic svg,
.area-graphic img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
}

.area-graphic svg {
  overflow: visible;
}

.area-graphic img {
  position: absolute;
  inset: 0;
  object-fit: contain;
  pointer-events: none;
  user-select: none;
}

.bio-line,
.bio-fine,
.bio-wash {
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.bio-line,
.bio-wash {
  stroke-width: 4;
}

.bio-line--heavy {
  stroke-width: 8;
}

.bio-fine {
  stroke-width: 2.5;
}

.bio-wash {
  fill: color-mix(in srgb, var(--card-tint) 80%, white);
}

.bio-fill {
  fill: var(--card-accent);
  stroke: none;
}

.interest-tile__footer {
  position: relative;
  z-index: 2;
  display: flex;
  min-width: 0;
  align-items: end;
  justify-content: space-between;
  gap: 12px;
}

.interest-tile__name {
  min-width: 0;
  max-width: 25ch;
  font-size: clamp(0.9rem, 1.22vw, 1.1rem);
  font-weight: 780;
  letter-spacing: -0.025em;
  line-height: 1.16;
}

.interest-tile__arrow {
  display: grid;
  flex: 0 0 auto;
  width: 31px;
  height: 31px;
  place-items: center;
  border-radius: 10px;
  color: var(--card-accent);
  background: var(--card-tint);
  font-size: 0.92rem;
}

.area-node__drag {
  position: absolute;
  z-index: 5;
  top: 10px;
  right: 10px;
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  padding: 0;
  border: 1px solid color-mix(in srgb, var(--card-accent) 24%, var(--line));
  border-radius: 11px;
  color: color-mix(in srgb, var(--card-accent) 72%, var(--ink));
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 5px 14px rgba(16, 33, 63, 0.08);
  cursor: grab;
  touch-action: none;
}

.area-node__drag:hover,
.area-node__drag:focus-visible {
  border-color: var(--card-accent);
  background: #fff;
}

.area-node__drag:active,
.interest-tile.is-dragging .area-node__drag {
  cursor: grabbing;
}

.area-node__grip {
  display: grid;
  grid-template-columns: repeat(2, 3px);
  gap: 3px;
}

.area-node__grip i {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: currentColor;
}

.interest-tile.is-dragging {
  z-index: 20;
  transition: none;
}

.interest-tile.is-dragging .interest-tile__open {
  border-color: var(--card-accent);
  box-shadow: 0 24px 54px rgba(16, 33, 63, 0.22);
  transform: none;
}

body.area-dragging {
  cursor: grabbing;
  user-select: none;
}

@media (max-width: 720px) {
  .home-intro__actions {
    max-width: 260px;
  }

  .home-intro__actions p {
    font-size: 0.76rem;
  }

  .area-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-rows: none;
    grid-auto-rows: minmax(172px, 1fr);
    align-content: start;
    gap: 10px;
    padding: 10px;
  }

  .area-graphic {
    max-height: 104px;
  }

  .interest-tile__name {
    font-size: 0.92rem;
  }
}

@media (max-width: 480px) {
  .home-intro__actions {
    max-width: none;
    justify-items: start;
    margin: 0;
  }

  .home-intro__actions p {
    text-align: left;
  }

  .area-grid {
    grid-template-columns: 1fr;
    grid-auto-rows: 118px;
    gap: 8px;
    padding: 8px;
  }

  .interest-tile__open {
    grid-template-columns: 118px minmax(0, 1fr);
    grid-template-rows: 1fr;
    align-items: center;
    gap: 12px;
    padding: 9px 44px 9px 10px;
    border-radius: 18px;
  }

  .area-graphic {
    width: 112px;
    min-height: 84px;
    max-height: 94px;
  }

  .interest-tile__footer {
    align-items: center;
  }

  .interest-tile__name {
    font-size: 0.9rem;
  }

  .interest-tile__arrow {
    display: none;
  }

  .area-node__drag {
    top: 9px;
    right: 9px;
  }
}

@media (max-height: 720px) and (min-width: 721px) {
  .area-grid {
    gap: 8px;
    padding: 8px;
  }

  .interest-tile__open {
    gap: 4px;
    padding: 7px 12px 10px;
  }

  .area-graphic {
    min-height: 54px;
    max-height: 84px;
  }

  .interest-tile__name {
    font-size: 0.86rem;
  }

  .area-node__drag {
    top: 7px;
    right: 7px;
    width: 30px;
    height: 30px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .interest-tile,
  .interest-tile__open {
    transition: none;
  }
}

@media (forced-colors: active) {
  .interest-tile__open,
  .area-node__drag {
    border: 2px solid CanvasText;
  }
}

/* Layered explorer */

html,
body {
  height: 100%;
  overflow: hidden;
}

body {
  min-height: 100%;
  overscroll-behavior: none;
}

.app-shell {
  display: grid;
  width: min(calc(100% - 36px), 1320px);
  height: 100dvh;
  grid-template-columns: minmax(0, 1fr);
  grid-template-rows: auto minmax(0, 1fr);
}

.site-header {
  display: grid;
  width: 100%;
  min-height: 0;
  grid-template-columns: minmax(0, 1fr);
  grid-template-rows: 72px 54px;
  gap: 0;
}

.header-main {
  display: flex;
  width: 100%;
  min-width: 0;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

button.brand {
  min-width: 0;
  padding: 0;
  border: 0;
  color: inherit;
  background: transparent;
  text-align: left;
}

.app-main {
  position: relative;
  min-height: 0;
  overflow: hidden;
}

.app-status {
  position: absolute;
  z-index: 30;
  top: 50%;
  left: 50%;
  width: min(620px, calc(100% - 32px));
  margin: 0;
  transform: translate(-50%, -50%);
}

.home-stage,
.workspace {
  position: absolute;
  inset: 0 0 14px;
  min-height: 0;
}

.home-stage {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 12px;
}

.home-intro {
  display: flex;
  min-width: 0;
  align-items: end;
  justify-content: space-between;
  gap: 32px;
  padding: 8px 6px 0;
}

.home-intro h1 {
  margin: 7px 0 0;
  font-size: clamp(2rem, 4vw, 3.25rem);
  letter-spacing: -0.05em;
}

.home-intro > p {
  max-width: 390px;
  margin: 0 0 7px;
  color: var(--muted);
  font-size: 0.9rem;
  text-align: right;
}

.interest-map {
  position: relative;
  min-height: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.82);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at 50% 50%, rgba(118, 89, 232, 0.12), transparent 20rem),
    radial-gradient(circle at 10% 85%, rgba(26, 159, 154, 0.08), transparent 18rem),
    linear-gradient(135deg, rgba(255, 255, 255, 0.97), rgba(247, 248, 253, 0.94));
  box-shadow: var(--shadow-md);
}

.interest-map__routes {
  position: absolute;
  z-index: 0;
  inset: 4%;
  width: 92%;
  height: 92%;
  overflow: visible;
  fill: none;
  stroke: rgba(118, 89, 232, 0.24);
  stroke-dasharray: 4 7;
  stroke-linecap: round;
  stroke-width: 1.5;
  vector-effect: non-scaling-stroke;
}

.dna-hub {
  position: absolute;
  z-index: 2;
  top: 50%;
  left: 50%;
  display: grid;
  width: 190px;
  min-height: 136px;
  place-content: center;
  justify-items: center;
  gap: 8px;
  padding: 16px;
  border: 1px solid rgba(118, 89, 232, 0.24);
  border-radius: 30px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 20px 50px rgba(92, 65, 200, 0.16);
  transform: translate(-50%, -50%);
  text-align: center;
}

.dna-hub__icon {
  display: grid;
  width: 54px;
  height: 54px;
  place-items: center;
  border-radius: 18px;
  color: #fff;
  background: linear-gradient(145deg, var(--purple), var(--purple-dark));
}

.dna-hub__icon svg {
  width: 40px;
  height: 40px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-width: 1.8;
}

.dna-hub strong {
  font-size: 0.88rem;
  line-height: 1.28;
}

.area-grid {
  position: absolute;
  z-index: 3;
  inset: 0;
  display: block;
  pointer-events: none;
}

.area-card {
  position: absolute;
  display: flex;
  width: clamp(158px, 19%, 222px);
  min-height: 80px;
  align-items: center;
  gap: 11px;
  padding: 13px 42px 13px 16px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 17px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow-sm);
  pointer-events: auto;
  text-align: left;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease;
}

.area-card::before {
  width: 76px;
  height: 76px;
  top: -44px;
  right: -34px;
}

.area-card[data-route-index="1"] { top: 4%; left: 2%; }
.area-card[data-route-index="2"] { top: 2%; left: 26%; }
.area-card[data-route-index="3"] { top: 2%; left: 54%; }
.area-card[data-route-index="4"] { top: 4%; right: 2%; }
.area-card[data-route-index="5"] { top: 43%; right: 1.5%; }
.area-card[data-route-index="6"] { right: 4%; bottom: 4%; }
.area-card[data-route-index="7"] { bottom: 2%; left: 54%; }
.area-card[data-route-index="8"] { bottom: 2%; left: 26%; }
.area-card[data-route-index="9"] { bottom: 16%; left: 2%; }

.area-card:hover {
  border-color: color-mix(in srgb, var(--card-accent, var(--purple)) 48%, var(--line));
  box-shadow: 0 14px 34px rgba(24, 45, 73, 0.13);
  transform: translateY(-3px);
}

.area-card__route {
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  border: 2px solid #fff;
  border-radius: 50%;
  background: var(--card-accent, var(--purple));
  box-shadow: 0 0 0 3px var(--card-tint, var(--purple-soft));
}

.area-card .area-card__name {
  min-width: 0;
  margin: 0;
  font-size: clamp(0.79rem, 1.04vw, 0.98rem);
  font-weight: 760;
  letter-spacing: -0.015em;
  line-height: 1.25;
}

.area-card .area-card__arrow {
  right: 12px;
  bottom: 50%;
  width: 27px;
  height: 27px;
  border-radius: 9px;
  font-size: 0.9rem;
  transform: translateY(50%);
}

.area-card.is-active {
  border-color: var(--card-accent, var(--purple));
}

.area-grid--adaptive {
  position: relative;
  display: grid;
  min-height: 100%;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  align-content: start;
  gap: 12px;
  padding: 180px 22px 22px;
  overflow: auto;
  pointer-events: auto;
}

.area-grid--adaptive .area-card {
  position: relative;
  inset: auto;
  width: auto;
  transform: none;
}

.workspace {
  padding: 24px 18px 2px 26px;
  background:
    radial-gradient(circle at 3% 4%, rgba(118, 89, 232, 0.1), transparent 18rem),
    radial-gradient(circle at 98% 96%, rgba(26, 159, 154, 0.08), transparent 22rem);
}

.layer-stage {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.layer-card {
  position: absolute;
  display: grid;
  min-width: 0;
  min-height: 0;
  grid-template-rows: auto minmax(0, 1fr);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: var(--surface);
  box-shadow: var(--shadow-lg);
  animation: layer-enter 220ms cubic-bezier(0.22, 0.76, 0.24, 1) both;
}

.layer-card--depth-1 {
  inset: 4px;
}

.layer-card--depth-2 {
  inset: 12px 4px 4px 12px;
  box-shadow:
    -8px -8px 0 -1px #f8f9fc,
    -8px -8px 0 0 var(--line),
    var(--shadow-lg);
}

.layer-card--depth-3 {
  inset: 20px 4px 4px 20px;
  box-shadow:
    -8px -8px 0 -1px #fafbfe,
    -8px -8px 0 0 var(--line),
    -16px -16px 0 -1px #f3f6fa,
    -16px -16px 0 0 var(--line),
    var(--shadow-lg);
}

.layer-card--depth-4 {
  inset: 28px 4px 4px 28px;
  box-shadow:
    -8px -8px 0 -1px #fbfcfe,
    -8px -8px 0 0 var(--line),
    -16px -16px 0 -1px #f7f9fc,
    -16px -16px 0 0 var(--line),
    -24px -24px 0 -1px #f1f5f9,
    -24px -24px 0 0 var(--line),
    var(--shadow-lg);
}

@keyframes layer-enter {
  from {
    opacity: 0;
    transform: translate(14px, 8px) scale(0.992);
  }
}

.layer-card__header {
  position: relative;
  display: grid;
  min-width: 0;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  gap: 24px;
  padding: clamp(22px, 3vw, 34px) clamp(22px, 3.5vw, 42px);
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 100% 0%, rgba(26, 159, 154, 0.11), transparent 18rem),
    linear-gradient(125deg, var(--surface) 42%, var(--purple-soft));
}

.layer-card__heading {
  min-width: 0;
}

.layer-level {
  margin: 0 0 7px;
  color: var(--purple-dark);
  font-size: 0.68rem;
  font-weight: 850;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.layer-card__heading h2 {
  max-width: 980px;
  margin: 0;
  font-size: clamp(1.55rem, 3vw, 2.65rem);
  letter-spacing: -0.045em;
  line-height: 1.12;
}

.layer-card__actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.discuss-button {
  width: 44px;
  height: 44px;
  color: var(--purple-dark);
  border-color: #d9d0fb;
  background: var(--purple-soft);
}

.discuss-button:not(:disabled):hover {
  border-color: #c6b8f8;
  background: #e6e0fb;
}

.discuss-button svg {
  width: 20px;
  height: 20px;
}

.layer-close {
  width: 44px;
  height: 44px;
}

.layer-close__glyph {
  font-size: 1.45rem;
  font-weight: 420;
  line-height: 1;
}

.layer-card--depth-3 .layer-card__heading h2 {
  font-size: clamp(1.45rem, 2.35vw, 2.15rem);
}

.layer-card--depth-4 .layer-card__heading h2 {
  font-size: clamp(1.4rem, 2.25vw, 2.05rem);
}

.layer-card__body {
  min-height: 0;
  padding: 24px clamp(22px, 3.5vw, 42px) 42px;
  overflow: auto;
  overscroll-behavior: contain;
  scrollbar-gutter: stable;
}

.layer-card__body > * {
  width: min(100%, 1040px);
  margin-right: auto;
  margin-left: auto;
}

.layer-section-title {
  margin-top: 24px;
  margin-bottom: 13px;
  font-size: 0.75rem;
  font-weight: 850;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.disclosure {
  margin-bottom: 12px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface-soft);
}

.disclosure__summary {
  display: flex;
  min-height: 50px;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 16px;
  color: var(--ink-soft);
  font-size: 0.82rem;
  font-weight: 780;
  list-style: none;
  transition: background-color 150ms ease;
}

.disclosure__summary::-webkit-details-marker {
  display: none;
}

.disclosure__summary:hover {
  background: #fff;
}

.disclosure__chevron {
  display: grid;
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  place-items: center;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1;
  transition: transform 150ms ease;
}

.disclosure[open] .disclosure__chevron {
  transform: rotate(180deg);
}

.disclosure[open] .disclosure__summary {
  color: var(--ink);
  border-bottom: 1px solid var(--line);
  background: #fff;
}

.disclosure__content {
  padding: 16px;
  color: var(--ink-soft);
  font-size: 0.88rem;
  line-height: 1.65;
}

.disclosure__content > :first-child {
  margin-top: 0;
}

.disclosure__content > :last-child {
  margin-bottom: 0;
}

.expanded-section {
  margin-bottom: 12px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface-soft);
}

.expanded-section__heading {
  display: flex;
  min-height: 50px;
  align-items: center;
  margin: 0;
  padding: 12px 16px;
  color: var(--ink);
  border-bottom: 1px solid var(--line);
  background: #fff;
  font-size: 0.82rem;
  font-weight: 780;
  line-height: 1.35;
}

.expanded-section__content {
  padding: 16px;
  color: var(--ink-soft);
  font-size: 0.88rem;
  line-height: 1.65;
}

.expanded-section__content > :first-child {
  margin-top: 0;
}

.expanded-section__content > :last-child {
  margin-bottom: 0;
}

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

.route-row {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: #fff;
  transition:
    border-color 160ms ease,
    box-shadow 160ms ease;
}

.route-row:hover {
  border-color: #cabff3;
  box-shadow: var(--shadow-sm);
}

.route-row__open,
.paper-route {
  display: flex;
  width: 100%;
  min-height: 74px;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 15px 17px;
  border: 0;
  color: var(--ink);
  background: transparent;
  text-align: left;
}

.route-row__open:hover,
.paper-route:hover {
  background: var(--surface-soft);
}

.route-row__copy,
.paper-route__copy {
  display: grid;
  min-width: 0;
  gap: 4px;
}

.route-row__copy small,
.paper-route__copy small {
  color: var(--muted);
  font-size: 0.64rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  line-height: 1.35;
  text-transform: uppercase;
}

.route-row__copy strong,
.paper-route__copy strong {
  font-size: 0.91rem;
  line-height: 1.36;
}

.route-row__arrow {
  display: grid;
  flex: 0 0 auto;
  width: 30px;
  height: 30px;
  place-items: center;
  border-radius: 10px;
  color: var(--purple-dark);
  background: var(--purple-soft);
}

.disclosure--row {
  margin: 0;
  border: 0;
  border-top: 1px solid var(--line);
  border-radius: 0;
}

.disclosure--row .disclosure__summary {
  min-height: 42px;
  padding: 9px 17px;
  font-size: 0.72rem;
}

.disclosure--row .disclosure__content {
  padding: 14px 17px 17px;
  font-size: 0.8rem;
}

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

.paper-route {
  min-height: 98px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: #fff;
}

.paper-route:hover {
  border-color: #cabff3;
  box-shadow: var(--shadow-sm);
}

.paper-route__copy small {
  letter-spacing: 0;
  text-transform: none;
}

.paper-layer__citation {
  margin-top: 0;
  margin-bottom: 12px;
  color: var(--ink-soft);
  font-size: 0.95rem;
  font-weight: 720;
}

.paper-links {
  margin-bottom: 18px;
}

.paper-evidence-detail .paper-detail-fields {
  margin-top: 0;
}

.paper-limitations h4 {
  margin: 18px 0 8px;
  font-size: 0.86rem;
}

.paper-limitations ul {
  margin-bottom: 0;
}

.disclosure .evidence-region {
  margin: 0;
  padding: 0;
  border: 0;
}

.disclosure .evidence-region > h3 {
  margin: 0 0 14px;
  font-size: 1rem;
}

.disclosure .visual-grid {
  grid-template-columns: 1fr;
}

.breadcrumbs {
  width: 100%;
  min-width: 0;
  min-height: 0;
  margin: 0;
  padding: 5px 2px 9px;
  overflow-x: auto;
  overflow-y: hidden;
  border-top: 1px solid rgba(201, 213, 227, 0.72);
  scrollbar-width: thin;
}

.breadcrumb-list {
  width: max-content;
  min-width: 100%;
  flex-wrap: nowrap;
  gap: 5px;
}

.breadcrumb-item {
  min-width: 0;
  gap: 5px;
}

.breadcrumb-item + .breadcrumb-item::before {
  content: "›";
}

.breadcrumb-button,
.breadcrumb-current {
  display: grid;
  max-width: min(280px, 28vw);
  min-height: 38px;
  align-content: center;
  gap: 1px;
  padding: 5px 10px;
  border: 0;
  border-radius: 10px;
  background: transparent;
  text-align: left;
}

.breadcrumb-button:hover {
  color: var(--purple-dark);
  background: rgba(255, 255, 255, 0.82);
}

.breadcrumb-current {
  color: var(--purple-dark);
  background: var(--purple-soft);
}

.breadcrumb-level {
  color: var(--muted);
  font-size: 0.55rem;
  font-weight: 850;
  letter-spacing: 0.09em;
  line-height: 1.1;
  text-transform: uppercase;
}

.breadcrumb-label {
  display: block;
  overflow: hidden;
  font-size: 0.72rem;
  font-weight: 760;
  line-height: 1.25;
  text-overflow: ellipsis;
  white-space: nowrap;
}

@media (max-width: 980px) {
  .interest-map {
    padding: 14px;
    overflow: auto;
    overscroll-behavior: contain;
  }

  .interest-map__routes {
    display: none;
  }

  .dna-hub {
    position: relative;
    top: auto;
    left: auto;
    width: min(100%, 420px);
    min-height: 92px;
    grid-template-columns: auto auto;
    justify-content: center;
    margin: 0 auto 12px;
    border-radius: 22px;
    transform: none;
    text-align: left;
  }

  .dna-hub__icon {
    width: 48px;
    height: 48px;
  }

  .area-grid,
  .area-grid--adaptive {
    position: relative;
    inset: auto;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
    padding: 0;
    overflow: visible;
    pointer-events: auto;
  }

  .area-card,
  .area-grid--adaptive .area-card {
    position: relative;
    inset: auto;
    width: auto;
    min-height: 80px;
    transform: none;
  }
}

@media (max-width: 720px) {
  .app-shell {
    width: min(calc(100% - 20px), 1320px);
  }

  .site-header {
    grid-template-rows: 64px 50px;
  }

  .home-intro {
    align-items: start;
    gap: 12px;
  }

  .home-intro h1 {
    font-size: clamp(1.65rem, 7vw, 2.2rem);
  }

  .home-intro > p {
    max-width: 220px;
    margin-bottom: 3px;
    font-size: 0.76rem;
  }

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

  .workspace {
    padding: 14px 6px 2px 14px;
  }

  .layer-card--depth-1 { inset: 2px; }
  .layer-card--depth-2 { inset: 8px 2px 2px 8px; }
  .layer-card--depth-3 { inset: 14px 2px 2px 14px; }
  .layer-card--depth-4 { inset: 20px 2px 2px 20px; }

  .layer-card__header {
    gap: 12px;
    padding: 18px 16px;
  }

  .layer-card__heading h2 {
    font-size: clamp(1.2rem, 5vw, 1.65rem);
  }

  .layer-card__actions .save-button {
    min-width: 44px;
    padding: 0 10px;
    font-size: 0.76rem;
  }

  .layer-card__body {
    padding: 16px 14px 30px;
  }

  .route-list,
  .paper-list {
    grid-template-columns: 1fr;
  }

  .breadcrumb-button,
  .breadcrumb-current {
    max-width: 190px;
  }
}

@media (max-width: 480px) {
  .brand-copy,
  .collection-trigger > span:not(.count-badge) {
    display: none;
  }

  .home-intro {
    display: grid;
    padding-inline: 2px;
  }

  .home-intro > p {
    max-width: none;
    text-align: left;
  }

  .dna-hub {
    min-height: 76px;
    padding: 10px;
  }

  .dna-hub__icon {
    width: 42px;
    height: 42px;
  }

  .area-grid,
  .area-grid--adaptive {
    grid-template-columns: 1fr;
  }

  .area-card {
    min-height: 68px;
  }

  .layer-card__actions {
    gap: 5px;
  }

  .layer-card__actions .save-button {
    width: 44px;
    overflow: hidden;
    color: transparent;
  }

  .layer-card__actions .save-button::before {
    color: var(--ink-soft);
    content: "★";
  }
}

@media (max-height: 720px) and (min-width: 721px) {
  .site-header {
    grid-template-rows: 62px 48px;
  }

  .home-intro h1 {
    font-size: 2rem;
  }

  .home-intro > p {
    font-size: 0.78rem;
  }

  .area-card {
    min-height: 68px;
    padding-top: 10px;
    padding-bottom: 10px;
  }

  .dna-hub {
    min-height: 116px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .layer-card {
    animation: none;
  }
}

@media (forced-colors: active) {
  .layer-card,
  .route-row,
  .paper-route,
  .disclosure,
  .dna-hub,
  .interest-map {
    border: 2px solid CanvasText;
  }
}

/* Keep the board layout authoritative over legacy explorer selectors above. */

.interest-map {
  padding: 0;
  overflow: hidden;
}

.interest-map > .area-grid {
  position: relative;
  z-index: 3;
  inset: auto;
  display: grid;
  width: 100%;
  height: 100%;
  min-height: 0;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-template-rows: repeat(3, minmax(0, 1fr));
  gap: 12px;
  padding: 12px;
  overflow: auto;
  pointer-events: auto;
  overscroll-behavior: contain;
}

@media (max-width: 720px) {
  .interest-map > .area-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-rows: none;
    grid-auto-rows: minmax(172px, 1fr);
    align-content: start;
    gap: 10px;
    padding: 10px;
  }
}

@media (max-width: 480px) {
  .interest-map > .area-grid {
    grid-template-columns: 1fr;
    grid-auto-rows: 118px;
    gap: 8px;
    padding: 8px;
  }
}

@media (max-height: 720px) and (min-width: 721px) {
  .interest-map > .area-grid {
    grid-template-rows: none;
    grid-auto-rows: minmax(126px, 1fr);
    align-content: start;
    gap: 8px;
    padding: 8px;
  }
}

@media (max-width: 560px) {
  .ai-prompt-dialog {
    width: calc(100vw - 16px);
    max-height: calc(100dvh - 16px);
  }

  .ai-prompt-dialog__surface {
    height: calc(100dvh - 16px);
    max-height: calc(100dvh - 16px);
  }

  .ai-prompt-dialog .modal__header {
    padding: 14px 16px;
  }

  .ai-prompt-dialog__body {
    grid-template-rows: auto auto auto minmax(120px, 1fr) auto auto auto auto;
    gap: 8px;
    padding: 14px;
    overflow-y: auto;
  }

  .ai-prompt-dialog__description {
    font-size: 0.82rem;
  }

  .ai-prompt-history {
    gap: 10px;
    padding: 9px 10px;
  }

  .ai-prompt-dialog__preview {
    padding: 12px;
    font-size: 0.72rem;
  }

  .ai-prompt-dialog__copy {
    width: 100%;
    min-width: 0;
    min-height: 44px;
  }

  .ai-prompt-dialog__close {
    width: 44px;
    height: 44px;
  }
}

@media (max-height: 460px) {
  .ai-prompt-history {
    padding-block: 6px;
  }

  .ai-prompt-history__description {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }
}

@media (max-width: 560px) and (max-height: 620px) {
  .ai-prompt-dialog__body {
    grid-template-rows: auto auto auto minmax(42px, 1fr) auto auto auto auto;
  }
}

@media (max-width: 360px) {
  .ai-prompt-history__description {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }

  .layer-card__header {
    grid-template-columns: minmax(0, 1fr);
  }

  .layer-card__actions {
    grid-row: 1;
    justify-self: end;
  }

  .layer-card__heading {
    grid-row: 2;
  }
}

@media (forced-colors: active) {
  .ai-prompt-history__control {
    width: 24px;
    appearance: auto;
  }
}