.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text);
  font-weight: 650;
  text-decoration: none;
}

.button:hover {
  border-color: color-mix(in srgb, var(--color-accent), var(--color-border));
}

.button--primary {
  border-color: var(--color-accent);
  background: var(--color-accent);
  color: #ffffff;
}

.button--icon {
  width: 40px;
  padding: 0;
}

.preview-map {
  position: relative;
  display: block;
  width: 100%;
  min-height: 300px;
  overflow: hidden;
  background: var(--color-surface-muted);
}

.preview-map__map {
  display: block;
  width: 100%;
  height: 100%;
  min-height: inherit;
}

.preview-map__message {
  position: absolute;
  z-index: 1;
  left: var(--space-3);
  top: var(--space-3);
  max-width: calc(100% - var(--space-6));
  padding: 0.42rem 0.58rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--color-surface), transparent 8%);
  color: var(--color-text-muted);
  font-size: 0.78rem;
  font-weight: 750;
  box-shadow: var(--shadow-soft);
}

.theme-toggle__icon {
  display: block;
  color: var(--color-text);
  font-size: 1.12rem;
  font-weight: 850;
  line-height: 1;
}

.field {
  display: grid;
  gap: var(--space-2);
}

.field label {
  color: var(--color-text-muted);
  font-size: 0.86rem;
  font-weight: 700;
}

.input,
.select {
  min-height: 40px;
  width: 100%;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text);
  padding: 0 var(--space-3);
}

.app-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-3);
}

.app-card {
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: var(--space-4);
  min-height: 220px;
  padding: var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--color-accent), transparent 92%), transparent 52%),
    var(--color-surface);
  text-decoration: none;
  box-shadow: var(--shadow-soft);
  transition: border-color 160ms ease, transform 160ms ease;
}

.app-card:hover {
  border-color: color-mix(in srgb, var(--color-accent), var(--color-border));
  transform: translateY(-2px);
}

.app-card h2,
.app-card h3 {
  margin: 0;
  font-size: 1.18rem;
  line-height: 1.1;
}

.app-card p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.94rem;
}

.gallery-home .app-grid {
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--space-4);
}

.gallery-home .app-card {
  --card-accent: var(--color-accent);
  --card-accent-2: #e0b84b;
  --card-ink: #ffffff;
  position: relative;
  grid-column: span 4;
  gap: 0;
  min-height: 420px;
  overflow: hidden;
  padding: 0;
  border-color: color-mix(in srgb, var(--color-border), transparent 28%);
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--color-surface), transparent 4%), color-mix(in srgb, var(--color-surface-muted), transparent 12%)),
    var(--color-surface);
  box-shadow: var(--shadow-card);
  transform: translateY(0);
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.gallery-home .app-card--feature {
  grid-column: span 8;
}

.gallery-home .app-card--dataset {
  min-height: 350px;
}

.gallery-home .app-card:hover {
  border-color: color-mix(in srgb, var(--card-accent), var(--color-border) 30%);
  box-shadow: 0 30px 88px color-mix(in srgb, var(--card-accent), transparent 76%);
  transform: translateY(-4px);
}

.gallery-home .app-card__visual {
  position: relative;
  display: block;
  min-height: 206px;
  overflow: hidden;
  background: color-mix(in srgb, var(--card-accent), var(--color-surface) 82%);
}

.gallery-home .app-card__image {
  display: block;
  width: 100%;
  height: 100%;
  min-height: inherit;
  object-fit: cover;
  transform: scale(1.01);
  transition: transform 220ms ease;
}

.gallery-home .app-card:hover .app-card__image {
  transform: scale(1.035);
}

.gallery-home .app-card--dataset .app-card__visual {
  min-height: 150px;
}

.gallery-home .app-card--feature .app-card__visual {
  min-height: 280px;
}

.gallery-home .app-card__visual::before,
.gallery-home .app-card__visual::after {
  position: absolute;
  content: "";
  inset: 0;
}

.gallery-home .app-card__visual::before {
  border-bottom: 1px solid color-mix(in srgb, var(--color-border), transparent 12%);
  pointer-events: none;
}

.gallery-home .app-card__visual::after {
  background: linear-gradient(180deg, transparent 62%, rgba(0, 0, 0, 0.16));
  pointer-events: none;
}

.gallery-home .app-card__glyph {
  display: none;
}

.gallery-home .app-card__glyph::before,
.gallery-home .app-card__glyph::after {
  position: absolute;
  content: "";
}

.gallery-home .app-card__content {
  display: grid;
  gap: var(--space-4);
  align-content: start;
  grid-template-rows: auto auto auto;
  padding: var(--space-5) var(--space-5) 0;
}

.gallery-home .app-card__meta {
  display: flex;
  align-items: center;
  gap: 0.58rem;
  align-self: start;
  width: fit-content;
}

.whats-new {
  position: relative;
  display: inline-grid;
  place-items: center;
}

.whats-new__trigger {
  display: grid;
  width: 22px;
  height: 22px;
  place-items: center;
  border: 1px solid color-mix(in srgb, var(--card-accent), transparent 58%);
  border-radius: 999px;
  background: color-mix(in srgb, var(--card-accent), transparent 91%);
  color: var(--card-accent);
  cursor: help;
  font-size: 0.72rem;
  font-weight: 950;
  line-height: 1;
}

.whats-new__popover {
  position: absolute;
  z-index: 4;
  top: calc(100% + 0.5rem);
  left: 0;
  display: grid;
  gap: var(--space-2);
  width: min(260px, 78vw);
  padding: var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--color-surface), transparent 3%);
  color: var(--color-text);
  box-shadow: var(--shadow-soft);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-4px);
  transition: opacity 140ms ease, transform 140ms ease;
}

.whats-new:hover .whats-new__popover,
.whats-new__trigger:focus-visible + .whats-new__popover {
  opacity: 1;
  transform: translateY(0);
}

.whats-new__popover strong {
  color: var(--card-accent);
  font-size: 0.8rem;
}

.whats-new__popover span {
  display: grid;
  gap: 0.38rem;
}

.whats-new__popover span span {
  position: relative;
  display: block;
  padding-left: 0.75rem;
  color: var(--color-text-muted);
  font-size: 0.78rem;
  line-height: 1.32;
}

.whats-new__popover span span::before {
  position: absolute;
  left: 0;
  content: "•";
  color: var(--card-accent);
}

.gallery-home .app-card h2,
.gallery-home .app-card h3 {
  font-size: clamp(1.4rem, 2.3vw, 2rem);
  font-weight: 850;
}

.gallery-home .app-card p {
  max-width: 34rem;
  margin-top: var(--space-2);
  font-size: 0.98rem;
}

.gallery-home .app-card__capabilities {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: flex-start;
  align-content: flex-start;
  align-self: start;
}

.gallery-home .app-card__capabilities span {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  min-height: 24px;
  border: 1px solid color-mix(in srgb, var(--card-accent), transparent 55%);
  border-radius: 999px;
  padding: 0.18rem 0.56rem;
  background: color-mix(in srgb, var(--card-accent), transparent 90%);
  color: color-mix(in srgb, var(--card-accent), var(--color-text) 18%);
  font-size: 0.72rem;
  font-weight: 850;
  line-height: 1;
  white-space: nowrap;
}

.gallery-home .app-card__parent {
  width: fit-content;
  border-left: 3px solid var(--card-accent);
  padding-left: var(--space-2);
  color: var(--color-text-muted);
  font-size: 0.78rem;
  font-weight: 850;
}

.gallery-home .app-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-top: auto;
  padding: var(--space-5);
  color: var(--card-accent);
  font-size: 0.92rem;
  font-weight: 800;
}

.gallery-home .app-card__arrow {
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border: 1px solid color-mix(in srgb, var(--card-accent), transparent 55%);
  border-radius: 999px;
  transition: background 180ms ease, transform 180ms ease;
}

.view-mode-wrap {
  position: relative;
  flex: 0 0 auto;
}

.view-mode-switch {
  display: inline-grid;
  grid-template-columns: repeat(2, minmax(40px, 1fr));
  align-items: center;
  min-height: 40px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
}

.view-mode-switch button {
  min-width: 40px;
  height: 38px;
  padding: 0 0.62rem;
  border: 0;
  background: transparent;
  color: var(--color-text-muted);
  cursor: pointer;
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0;
}

.view-mode-switch button + button {
  border-left: 1px solid var(--color-border);
}

.view-mode-switch button:hover,
.view-mode-switch button.is-active {
  background: color-mix(in srgb, var(--color-accent), var(--color-surface) 86%);
  color: var(--color-text);
}

.view-mode-switch button:disabled {
  cursor: wait;
  opacity: 0.48;
}

.view-mode-hint {
  position: absolute;
  z-index: 12;
  top: calc(100% + 0.58rem);
  right: 0;
  width: max-content;
  max-width: 220px;
  padding: 0.48rem 0.62rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--color-surface), transparent 4%);
  color: var(--color-text);
  box-shadow: var(--shadow-soft);
  font-size: 0.76rem;
  font-weight: 760;
  line-height: 1.3;
}

.view-mode-hint strong {
  display: block;
  color: var(--color-accent-strong);
  font-size: 0.78rem;
}

.view-mode-hint[hidden] {
  display: none;
}

.app-seo-summary {
  max-width: min(920px, calc(100vw - var(--space-6)));
  margin: var(--space-5) auto;
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--color-surface), transparent 8%);
  color: var(--color-text-muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

.app-seo-summary h2 {
  margin: 0 0 var(--space-2);
  color: var(--color-text);
  font-size: 1rem;
}

.app-seo-summary p {
  margin: 0;
}

.explorer-shell > .app-seo-summary,
.formation-shell > .app-seo-summary,
.gpx-shell > .app-seo-summary,
.world-shell > .app-seo-summary,
.hex-shell > .app-seo-summary,
.state-shell > .app-seo-summary {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.gallery-home .app-card:hover .app-card__arrow {
  background: color-mix(in srgb, var(--card-accent), transparent 86%);
  transform: translateX(2px);
}

.gallery-home .app-card[data-app-id="unique-spots"] {
  --card-accent: #8a5a2d;
  --card-accent-2: #3c8c82;
}

.gallery-home .app-card[data-app-id="formation-shuffle"] {
  --card-accent: #0c7772;
  --card-accent-2: #d6a13d;
}

.gallery-home .app-card[data-app-id="gpx-viewer"] {
  --card-accent: #4b6cb7;
  --card-accent-2: #2ca58d;
}

.gallery-home .app-card[data-app-id="dotted-world"] {
  --card-accent: #2957a4;
  --card-accent-2: #16a7b5;
}

.gallery-home .app-card[data-app-id="hex-map"] {
  --card-accent: #147678;
  --card-accent-2: #dbb545;
}

.gallery-home .app-card[data-app-id="us-state-map"] {
  --card-accent: #b14b1f;
  --card-accent-2: #f3c33d;
}

.gallery-home .app-card[data-app-id="us-county-atlas"] {
  --card-accent: #15956c;
  --card-accent-2: #f0b719;
}

.gallery-home .app-card[data-app-id="europe-atlas"] {
  --card-accent: #9b1731;
  --card-accent-2: #0f6c92;
}

.gallery-home .app-card[data-app-id="unique-spots"] .app-card__glyph::before {
  left: 34px;
  top: 18px;
  width: 38px;
  height: 38px;
  border: 10px solid var(--card-ink);
  border-radius: 50% 50% 50% 0;
  transform: rotate(-45deg);
}

.gallery-home .app-card[data-app-id="unique-spots"] .app-card__glyph::after {
  left: 48px;
  top: 32px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--card-ink);
}

.gallery-home .app-card[data-app-id="formation-shuffle"] .app-card__glyph::before {
  inset: 22px;
  border-radius: 50%;
  border: 12px solid var(--card-ink);
  border-left-color: rgba(255, 255, 255, 0.28);
}

.gallery-home .app-card[data-app-id="gpx-viewer"] .app-card__glyph::before {
  left: 20px;
  top: 54px;
  width: 68px;
  height: 34px;
  border-top: 9px solid var(--card-ink);
  border-right: 9px solid var(--card-ink);
  transform: skewX(-16deg);
}

.gallery-home .app-card[data-app-id="gpx-viewer"] .app-card__glyph::after {
  left: 20px;
  top: 24px;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--card-ink);
  box-shadow: 56px 50px 0 var(--card-ink);
}

.gallery-home .app-card[data-app-id="dotted-world"] .app-card__glyph::before {
  inset: 19px;
  border-radius: 50%;
  background:
    radial-gradient(circle, var(--card-ink) 0 3px, transparent 4px) 0 0 / 17px 17px;
}

.gallery-home .app-card[data-app-id="hex-map"] .app-card__glyph::before {
  inset: 19px;
  background:
    radial-gradient(circle at 50% 25%, var(--card-ink) 0 9px, transparent 10px),
    radial-gradient(circle at 27% 62%, rgba(255, 255, 255, 0.82) 0 9px, transparent 10px),
    radial-gradient(circle at 73% 62%, rgba(255, 255, 255, 0.66) 0 9px, transparent 10px);
  clip-path: polygon(50% 0, 95% 25%, 95% 75%, 50% 100%, 5% 75%, 5% 25%);
}

.gallery-home .app-card[data-app-id="us-state-map"] .app-card__glyph::before {
  left: 16px;
  top: 26px;
  width: 76px;
  height: 50px;
  background:
    linear-gradient(90deg, transparent 18%, rgba(255, 255, 255, 0.45) 18% 21%, transparent 21% 43%, rgba(255, 255, 255, 0.45) 43% 46%, transparent 46% 70%, rgba(255, 255, 255, 0.45) 70% 73%, transparent 73%),
    linear-gradient(0deg, transparent 38%, rgba(255, 255, 255, 0.45) 38% 42%, transparent 42% 70%, rgba(255, 255, 255, 0.45) 70% 74%, transparent 74%),
    var(--card-ink);
  clip-path: polygon(4% 22%, 18% 6%, 34% 12%, 48% 8%, 62% 18%, 75% 14%, 94% 34%, 86% 54%, 70% 56%, 62% 78%, 42% 70%, 29% 86%, 18% 66%, 5% 58%);
}

.gallery-home .app-card[data-app-id="us-county-atlas"] .app-card__glyph::before {
  left: 16px;
  top: 26px;
  width: 76px;
  height: 50px;
  background:
    linear-gradient(90deg, #15956c 0 28%, #f0b719 28% 52%, #c43d12 52% 76%, #147fb0 76%),
    var(--card-ink);
  clip-path: polygon(4% 22%, 18% 6%, 34% 12%, 48% 8%, 62% 18%, 75% 14%, 94% 34%, 86% 54%, 70% 56%, 62% 78%, 42% 70%, 29% 86%, 18% 66%, 5% 58%);
}

.gallery-home .app-card[data-app-id="us-county-atlas"] .app-card__glyph::after {
  left: 21px;
  top: 30px;
  width: 66px;
  height: 42px;
  background:
    linear-gradient(90deg, transparent 18%, rgba(255, 255, 255, 0.42) 18% 21%, transparent 21% 43%, rgba(255, 255, 255, 0.42) 43% 46%, transparent 46% 70%, rgba(255, 255, 255, 0.42) 70% 73%, transparent 73%),
    linear-gradient(0deg, transparent 38%, rgba(255, 255, 255, 0.42) 38% 42%, transparent 42% 70%, rgba(255, 255, 255, 0.42) 70% 74%, transparent 74%);
  clip-path: polygon(4% 22%, 18% 6%, 34% 12%, 48% 8%, 62% 18%, 75% 14%, 94% 34%, 86% 54%, 70% 56%, 62% 78%, 42% 70%, 29% 86%, 18% 66%, 5% 58%);
}

.gallery-home .app-card[data-app-id="europe-atlas"] .app-card__glyph::before {
  left: 22px;
  top: 15px;
  width: 62px;
  height: 72px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.72) 0 2px, transparent 2px 100%) 0 0 / 18px 18px,
    linear-gradient(90deg, var(--card-ink) 0 45%, rgba(255, 255, 255, 0.72) 45% 56%, var(--card-ink) 56%);
  clip-path: polygon(36% 0, 70% 8%, 92% 26%, 82% 42%, 96% 60%, 68% 72%, 60% 96%, 36% 84%, 14% 96%, 4% 68%, 18% 50%, 0 30%, 22% 18%);
}

.badge {
  width: fit-content;
  align-self: start;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 0.18rem 0.6rem;
  color: var(--color-text-muted);
  font-size: 0.78rem;
  font-weight: 750;
}

.gallery-home .badge {
  border-color: color-mix(in srgb, var(--card-accent), transparent 56%);
  background: color-mix(in srgb, var(--card-accent), transparent 90%);
  color: color-mix(in srgb, var(--card-accent), var(--color-text) 20%);
}

.status {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  font-weight: 750;
}

.status[data-tone="error"] {
  color: var(--color-danger);
}

.table-wrap {
  overflow: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.data-table th,
.data-table td {
  padding: var(--space-3);
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  vertical-align: top;
}

.data-table th {
  position: sticky;
  top: 0;
  background: var(--color-surface-muted);
  color: var(--color-text-muted);
  font-size: 0.78rem;
  text-transform: uppercase;
}

.empty {
  padding: var(--space-6);
  color: var(--color-text-muted);
  text-align: center;
}

@media (max-width: 980px) {
  .gallery-home .app-card,
  .gallery-home .app-card--feature {
    grid-column: span 6;
  }
}

@media (max-width: 680px) {
  .gallery-home .app-grid {
    grid-template-columns: 1fr;
  }

  .gallery-home .app-card,
  .gallery-home .app-card--feature {
    grid-column: auto;
    min-height: 0;
  }

  .gallery-home .app-card__visual,
  .gallery-home .app-card--feature .app-card__visual {
    min-height: 148px;
  }

  .gallery-home .app-card__content,
  .gallery-home .app-card__footer {
    padding: var(--space-4);
  }

  .gallery-home .app-card h2,
  .gallery-home .app-card h3 {
    font-size: 1.32rem;
  }

  .gallery-home .app-card p {
    font-size: 0.92rem;
  }

  .gallery-home .app-card__glyph {
    right: 20px;
    bottom: 18px;
    width: 88px;
    height: 88px;
  }
}

.gallery-home .atlas-carousel {
  grid-column: 1 / -1;
  min-width: 0;
  padding-block: var(--space-5);
  border-top: 1px solid var(--color-border);
}

.atlas-carousel__heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.atlas-carousel__title {
  min-width: 0;
}

.atlas-carousel__title h2 {
  margin: 0 0 var(--space-1);
  font-size: 1.5rem;
  line-height: 1.2;
}

.atlas-carousel__title > span {
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

.atlas-carousel__controls {
  display: flex;
  flex-shrink: 0;
  gap: var(--space-2);
}

.atlas-carousel__controls[hidden] {
  display: none;
}

.atlas-carousel__button {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  background: var(--color-surface);
  font-size: 1.4rem;
  cursor: pointer;
}

.atlas-carousel__button:hover:not(:disabled) {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.atlas-carousel__button:disabled {
  opacity: 0.35;
  cursor: default;
}

.atlas-carousel__track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: calc((100% - 2 * var(--space-4)) / 3);
  gap: var(--space-4);
  min-width: 0;
  padding: var(--space-2) 2px var(--space-4);
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x proximity;
  scroll-padding-inline: 2px;
  scrollbar-width: thin;
  scrollbar-color: var(--color-border) transparent;
}

.atlas-carousel__track:focus-visible,
.atlas-carousel__button:focus-visible,
.atlas-carousel__track .app-card:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: -2px;
}

.gallery-home .atlas-carousel__track .app-card {
  grid-column: auto;
  grid-template-rows: 180px 1fr auto;
  min-width: 0;
  min-height: 420px;
  scroll-snap-align: start;
  box-shadow: none;
}

.gallery-home .atlas-carousel__track .app-card__visual {
  min-height: 0;
  height: 180px;
}

.gallery-home .atlas-carousel__track .app-card h3 {
  font-size: 1.3rem;
  line-height: 1.2;
  overflow-wrap: anywhere;
}

.gallery-home .atlas-carousel__track .app-card__content {
  gap: var(--space-3);
  padding: var(--space-4) var(--space-4) 0;
}

.gallery-home .atlas-carousel__track .app-card__footer {
  padding: var(--space-4);
}

.atlas-carousel__empty {
  color: var(--color-text-muted);
}

@media (max-width: 980px) {
  .atlas-carousel__track {
    grid-auto-columns: calc((100% - var(--space-4)) / 2);
  }
}

@media (max-width: 680px) {
  .atlas-carousel__track {
    grid-auto-columns: min(86%, 340px);
  }

  .atlas-carousel__title h2 {
    font-size: 1.2rem;
  }
}