@import url("https://fonts.googleapis.com/css2?family=Raleway:wght@300;600&display=swap");

:root {
  --atlas-text: #5a5a5a;
  --atlas-bg: #fafafa;
  --atlas-accent: #2d6a4f;
  --atlas-border: #d0d0d0;
  --atlas-image-outline: rgba(0, 0, 0, 0.12);
  --atlas-marker-line: #ef4444;
  --atlas-marker-halo: rgba(255, 255, 255, 0.92);
  --atlas-marker-center: #dc2626;
}

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

.lab-brain-atlas {
  --atlas-fixed-footer-space: 2.85rem;
  --atlas-marker-opacity: 1;
  --atlas-marker-scale: 1;
  margin: 0;
  padding: 0 1rem calc(var(--atlas-fixed-footer-space) + env(safe-area-inset-bottom, 0px));
  font-family: "Raleway", system-ui, sans-serif;
  font-weight: 300;
  color: var(--atlas-text);
  background: var(--atlas-bg);
  line-height: 1.45;
}

.lab-brain-atlas .atlas-inner {
  max-width: 960px;
  margin: 0 auto;
}

/* Visible only to assistive tech & document outline (see print rules for paper). */
.lab-brain-atlas .atlas-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;
}

.lab-brain-atlas .atlas-page-header {
  margin: 1.35rem 0 1.15rem;
  text-align: center;
}

.lab-brain-atlas .atlas-species-toggle__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: baseline;
  column-gap: 0;
  row-gap: 0.35rem;
  font-size: clamp(1.1rem, 3.6vw, 1.9rem);
  font-weight: 300;
  letter-spacing: -0.025em;
  line-height: 1.15;
  margin-left: auto;
  margin-right: auto;
}

.lab-brain-atlas .atlas-species-toggle__option {
  display: inline-block;
  padding: 0.1em 0.15em;
  border-bottom: 2px solid transparent;
  transition: color 0.12s ease, border-color 0.12s ease;
  text-align: center;
}

.lab-brain-atlas .atlas-species-toggle__option--active {
  font-weight: 600;
  color: var(--atlas-text);
  border-bottom-color: var(--atlas-accent);
}

.lab-brain-atlas .atlas-species-toggle__option--link {
  color: #a8a8a8;
  text-decoration: none;
}

.lab-brain-atlas .atlas-species-toggle__option--link:hover {
  color: var(--atlas-accent);
}

.lab-brain-atlas .atlas-species-toggle__option--link:focus {
  outline: none;
}

.lab-brain-atlas .atlas-species-toggle__option--link:focus-visible {
  outline: 2px solid var(--atlas-accent);
  outline-offset: 4px;
  border-radius: 2px;
}

.lab-brain-atlas .atlas-species-toggle__divider {
  flex-shrink: 0;
  align-self: center;
  width: 1px;
  height: 1em;
  margin: 0 0.4em;
  background: #d0d0d0;
}

.lab-brain-atlas .atlas-subtitle {
  text-align: center;
  margin: 0 0 1rem;
  font-size: 0.95rem;
}

.lab-brain-atlas .atlas-form-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  justify-content: center;
  align-items: flex-end;
  margin: 1rem 0;
}

.lab-brain-atlas .field {
  display: flex;
  min-width: 0;
}

.lab-brain-atlas .field .input-wrap {
  display: flex;
  align-items: stretch;
  border: 1px solid var(--atlas-border);
  border-radius: 4px;
  overflow: hidden;
  background: #fff;
}

.lab-brain-atlas .field .input-wrap:has(input[aria-invalid="true"]) {
  border-color: var(--atlas-marker-line);
  box-shadow: 0 0 0 1px rgba(239, 68, 68, 0.35);
}

.lab-brain-atlas .field .input-wrap span {
  padding: 0.4rem 0.5rem;
  background: #eee;
  font-size: 0.8rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  border-right: 1px solid var(--atlas-border);
}

.lab-brain-atlas .field .input-wrap span.suffix {
  border-right: none;
  border-left: 1px solid var(--atlas-border);
}

.lab-brain-atlas .field input[type="text"] {
  width: 4.5rem;
  border: none;
  padding: 0.4rem 0.45rem;
  font: inherit;
  text-align: center;
  color: var(--atlas-text);
}

.lab-brain-atlas .field input:focus {
  outline: none;
  box-shadow: inset 0 0 0 2px rgba(45, 106, 79, 0.35);
}

.lab-brain-atlas button[type="submit"] {
  font-family: inherit;
  font-weight: 600;
  padding: 0.5rem 1.1rem;
  border: none;
  border-radius: 4px;
  background: var(--atlas-accent);
  color: #fff;
  cursor: pointer;
}

.lab-brain-atlas button[type="submit"]:hover {
  filter: brightness(1.05);
}

/* Narrow screens: species toggle as a two-column control; form stack; fixed footer clearance */
@media (max-width: 36rem) {
  .lab-brain-atlas {
    --atlas-fixed-footer-space: 3.1rem;
    padding-left: max(0.75rem, env(safe-area-inset-left));
    padding-right: max(0.75rem, env(safe-area-inset-right));
  }

  .lab-brain-atlas .atlas-page-header {
    margin-top: 1rem;
    margin-bottom: 1rem;
    width: 100%;
  }

  .lab-brain-atlas .atlas-species-toggle__inner {
    flex-direction: row;
    flex-wrap: nowrap;
    align-items: stretch;
    width: 100%;
    margin: 0;
    font-size: clamp(0.78rem, 3.4vw, 0.95rem);
    line-height: 1.28;
    letter-spacing: -0.02em;
    row-gap: 0;
    column-gap: 0;
  }

  .lab-brain-atlas .atlas-species-toggle__option,
  .lab-brain-atlas .atlas-species-toggle__option--link {
    flex: 1 1 0;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0.75rem 0.4rem;
    min-height: 3.35rem;
    border-bottom: none;
    box-shadow: none;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
  }

  .lab-brain-atlas .atlas-species-toggle__option--active {
    box-shadow: inset 0 -3px 0 var(--atlas-accent);
  }

  .lab-brain-atlas .atlas-species-toggle__divider {
    align-self: stretch;
    width: 1px;
    height: auto;
    min-height: 3.35rem;
    margin: 0;
    background: #d8d8d8;
  }

  .lab-brain-atlas .atlas-form-row {
    flex-direction: column;
    align-items: stretch;
    gap: 0.65rem;
    max-width: min(22rem, 100%);
    margin-left: auto;
    margin-right: auto;
  }

  .lab-brain-atlas .field {
    width: 100%;
  }

  .lab-brain-atlas .field .input-wrap {
    width: 100%;
    min-height: 2.75rem;
    border-radius: 6px;
  }

  .lab-brain-atlas .field .input-wrap span {
    padding: 0.5rem 0.65rem;
    font-size: 0.85rem;
    min-width: 2.25rem;
    justify-content: center;
  }

  .lab-brain-atlas .field input[type="text"] {
    width: auto;
    flex: 1 1 0;
    min-width: 0;
    padding: 0.5rem 0.5rem;
    font-size: 1rem;
  }

  .lab-brain-atlas .atlas-form-row button[type="submit"] {
    width: 100%;
    margin-top: 0.15rem;
    padding: 0.65rem 1.25rem;
    font-size: 1rem;
    border-radius: 6px;
    touch-action: manipulation;
  }

  .lab-brain-atlas .atlas-cite-btn {
    font-size: 0.95rem;
    padding: 0.5rem 0.25rem;
  }

  .lab-brain-atlas .atlas-toolbar {
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
  }

  .lab-brain-atlas .atlas-toolbar__presets {
    width: 100%;
  }

  .lab-brain-atlas .atlas-region-pick__control {
    max-width: none;
  }

  .lab-brain-atlas .atlas-crosshair {
    justify-content: flex-start;
    gap: 0.5rem 1rem;
  }

  .lab-brain-atlas .atlas-crosshair__range {
    width: 6.5rem;
  }
}

.lab-brain-atlas .atlas-form-error {
  text-align: center;
  margin: -0.25rem 0 0.75rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--atlas-marker-line);
}

.lab-brain-atlas .atlas-links {
  text-align: center;
  font-size: 0.8rem;
  margin: 0.5rem 0 0;
}

.lab-brain-atlas .atlas-links a {
  color: var(--atlas-accent);
  font-weight: 600;
  text-decoration: none;
}

.lab-brain-atlas .atlas-links a:hover {
  text-decoration: underline;
}

/* Preset select + crosshair controls */
.lab-brain-atlas .atlas-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.65rem 1.35rem;
  margin: 0.2rem 0 0;
}

.lab-brain-atlas .atlas-toolbar__presets {
  display: flex;
  justify-content: center;
  flex: 0 1 auto;
  min-width: 0;
}

.lab-brain-atlas .atlas-crosshair {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.45rem 0.85rem;
  padding: 0.15rem 0;
}

.lab-brain-atlas .atlas-crosshair__legend {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #9a9a9a;
  margin-right: 0.15rem;
}

.lab-brain-atlas .atlas-crosshair__control {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.lab-brain-atlas .atlas-crosshair__mini-label {
  font-size: 0.68rem;
  color: #9a9a9a;
  white-space: nowrap;
}

.lab-brain-atlas .atlas-crosshair__range {
  width: 4.75rem;
  height: 0.35rem;
  margin: 0;
  accent-color: var(--atlas-accent);
  cursor: pointer;
}

.lab-brain-atlas .atlas-region-pick__control {
  position: relative;
  width: 100%;
  max-width: min(20rem, 100%);
}

.lab-brain-atlas .atlas-region-pick__select {
  display: block;
  width: 100%;
  margin: 0;
  padding: 0.3rem 1.4rem 0.3rem 0.45rem;
  font: inherit;
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.01em;
  color: #9a9a9a;
  background: rgba(255, 255, 255, 0.45);
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 4px;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
}

.lab-brain-atlas .atlas-region-pick__select:hover {
  color: #7a7a7a;
}

.lab-brain-atlas .atlas-region-pick__select:focus {
  outline: none;
}

.lab-brain-atlas .atlas-region-pick__select:focus-visible {
  outline: 2px solid rgba(45, 106, 79, 0.35);
  outline-offset: 2px;
}

.lab-brain-atlas .atlas-region-pick__control::after {
  content: "";
  position: absolute;
  right: 0.55rem;
  top: 50%;
  width: 0;
  height: 0;
  margin-top: 1px;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid #b8b8b8;
  transform: translateY(-50%);
  pointer-events: none;
}

.lab-brain-atlas hr {
  border: none;
  border-top: 1px solid var(--atlas-border);
  margin: 1.5rem 0;
}

.lab-brain-atlas .atlas-panel {
  text-align: center;
  margin-bottom: 1.5rem;
}

.lab-brain-atlas .atlas-panel h2,
.lab-brain-atlas .atlas-panel .atlas-panel__title {
  font-size: 1.15rem;
  font-weight: 600;
  margin: 0 0 0.35rem;
}

.lab-brain-atlas .atlas-panel .atlas-panel__title {
  display: grid;
  grid-template-columns: minmax(2.75rem, 1fr) auto minmax(2.75rem, 1fr);
  align-items: center;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  column-gap: 0.5rem;
}

.lab-brain-atlas .atlas-panel__title-text {
  grid-column: 2;
  text-align: center;
  margin: 0;
}

.lab-brain-atlas .atlas-slice-nav {
  grid-column: 3;
  justify-self: end;
  display: inline-flex;
  align-items: center;
  gap: 0.28rem;
}

.lab-brain-atlas .atlas-slice-nav__btn {
  appearance: none;
  -webkit-appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin: 0;
  min-width: 1.85rem;
  min-height: 1.85rem;
  padding: 0.22rem 0.34rem;
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 999px;
  background: #eef2f0;
  color: #3a4a42;
  line-height: 0;
  cursor: pointer;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
  transition:
    background 0.12s ease,
    border-color 0.12s ease,
    color 0.12s ease,
    box-shadow 0.12s ease;
  touch-action: manipulation;
}

.lab-brain-atlas .atlas-slice-nav__icon {
  display: block;
  flex-shrink: 0;
}

.lab-brain-atlas .atlas-slice-nav__btn:hover:not(:disabled) {
  background: #e2e9e5;
  border-color: rgba(0, 0, 0, 0.14);
  color: var(--atlas-accent);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.07);
}

.lab-brain-atlas .atlas-slice-nav__btn:disabled {
  cursor: default;
  background: #f6f8f7;
  border-color: rgba(0, 0, 0, 0.06);
  color: #a8b0ac;
  box-shadow: none;
  opacity: 0.85;
}

.lab-brain-atlas .atlas-slice-nav__btn:focus {
  outline: none;
}

.lab-brain-atlas .atlas-slice-nav__btn:focus-visible {
  outline: 2px solid var(--atlas-accent);
  outline-offset: 2px;
}

.lab-brain-atlas .figure {
  position: relative;
  display: inline-block;
  max-width: 100%;
  vertical-align: top;
}

.lab-brain-atlas .figure img {
  display: block;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--atlas-image-outline);
  border-radius: 2px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.06);
}

/* Stereotaxic-style crosshair: reads clearly on light and dark tissue */
.lab-brain-atlas .atlas-marker {
  position: absolute;
  left: 0;
  top: 0;
  width: 31px;
  height: 31px;
  margin: 0;
  opacity: var(--atlas-marker-opacity);
  transform: translate(-50%, -50%) scale(var(--atlas-marker-scale));
  pointer-events: none;
  background: radial-gradient(
    circle at center,
    var(--atlas-marker-center) 0 2.5px,
    transparent 2.5px
  );
}

.lab-brain-atlas .atlas-marker::before,
.lab-brain-atlas .atlas-marker::after {
  content: "";
  position: absolute;
  background: var(--atlas-marker-line);
  border-radius: 1px;
  box-shadow:
    0 0 0 1px var(--atlas-marker-halo),
    0 0 0 2px rgba(0, 0, 0, 0.18);
}

.lab-brain-atlas .atlas-marker::before {
  left: 0;
  right: 0;
  top: 50%;
  height: 2px;
  transform: translateY(-50%);
}

.lab-brain-atlas .atlas-marker::after {
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  transform: translateX(-50%);
}

.lab-brain-atlas .atlas-reference {
  margin-top: 3rem;
  padding-top: 1.75rem;
  border-top: 1px solid #e3e3e3;
  text-align: center;
  font-size: 0.9rem;
  line-height: 1.55;
}

.lab-brain-atlas .atlas-reference .atlas-source-md {
  text-align: center;
  margin: 0 0 1rem;
  line-height: 1.55;
}

.lab-brain-atlas .atlas-reference .atlas-source-md p {
  margin: 0;
}

.lab-brain-atlas .atlas-reference .atlas-source-md p + p {
  margin-top: 0.5rem;
}

.lab-brain-atlas .atlas-cite-btn {
  font-family: inherit;
  font-weight: 600;
  font-size: 0.875rem;
  padding: 0.35rem 0.25rem;
  border: none;
  border-radius: 0;
  background: none;
  color: var(--atlas-accent);
  text-decoration: underline;
  text-underline-offset: 0.2em;
  cursor: pointer;
  touch-action: manipulation;
}

.lab-brain-atlas .atlas-cite-btn:hover {
  color: #1b4332;
}

.lab-brain-atlas .atlas-cite-btn:focus {
  outline: none;
}

.lab-brain-atlas .atlas-cite-btn:focus-visible {
  outline: 2px solid var(--atlas-accent);
  outline-offset: 3px;
  border-radius: 2px;
}

.lab-brain-atlas .atlas-cite-status {
  margin: 0.65rem 0 0;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--atlas-accent);
}

.lab-brain-atlas .atlas-cite-status.atlas-cite-status--error {
  color: var(--atlas-marker-line);
}

.lab-brain-atlas .atlas-colophon {
  text-align: center;
}

.lab-brain-atlas .atlas-colophon p {
  margin: 0;
}

.lab-brain-atlas .atlas-colophon--fixed {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 50;
  margin: 0;
  padding: 0.42rem max(1rem, env(safe-area-inset-left))
    calc(0.42rem + env(safe-area-inset-bottom)) max(1rem, env(safe-area-inset-right));
  border-top: 1px solid rgba(0, 0, 0, 0.07);
  background: rgba(250, 250, 250, 0.86);
  backdrop-filter: saturate(160%) blur(12px);
  -webkit-backdrop-filter: saturate(160%) blur(12px);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  color: #9a9a9a;
}

.lab-brain-atlas .atlas-colophon--fixed a {
  color: #6f8f82;
  font-weight: 600;
  text-decoration: none;
}

.lab-brain-atlas .atlas-colophon--fixed a:hover {
  color: var(--atlas-accent);
  text-decoration: underline;
}

@media (prefers-reduced-transparency: reduce) {
  .lab-brain-atlas .atlas-colophon--fixed {
    background: var(--atlas-bg);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
}

/* —— Site home (index) — same tokens + Raleway as atlas pages */
.lab-site-home {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  padding: clamp(1.5rem, 5vw, 2.75rem) max(1rem, env(safe-area-inset-left))
    max(1.5rem, env(safe-area-inset-bottom)) max(1rem, env(safe-area-inset-right));
  font-family: "Raleway", system-ui, sans-serif;
  font-weight: 300;
  color: var(--atlas-text);
  background: var(--atlas-bg);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.lab-site-home .site-home__inner {
  width: 100%;
  max-width: 22rem;
  margin: 0 auto;
}

.lab-site-home .site-home__title {
  font-size: clamp(1.4rem, 5vw, 1.95rem);
  font-weight: 600;
  text-align: center;
  margin: 0 0 0.45rem;
  letter-spacing: -0.02em;
  color: var(--atlas-text);
}

.lab-site-home .site-home__lede {
  text-align: center;
  margin: 0 0 1.75rem;
  font-size: 0.98rem;
  color: #7a7a7a;
}

.lab-site-home .site-home__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.lab-site-home .site-home__link {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 2.85rem;
  padding: 0.75rem 1.1rem;
  border-radius: 999px;
  border: 1px solid rgba(0, 0, 0, 0.1);
  background: #eef2f0;
  color: #2a3d34;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
  transition:
    background 0.15s ease,
    border-color 0.15s ease,
    color 0.15s ease,
    box-shadow 0.15s ease;
  touch-action: manipulation;
}

.lab-site-home .site-home__link--stack {
  flex-direction: column;
  gap: 0.15rem;
  padding-top: 0.65rem;
  padding-bottom: 0.65rem;
  min-height: 3.15rem;
}

.lab-site-home .site-home__link-primary {
  font-weight: 600;
  line-height: 1.2;
}

.lab-site-home .site-home__link-secondary {
  font-size: 0.82rem;
  font-weight: 600;
  color: #6f8f82;
  letter-spacing: 0.02em;
}

.lab-site-home .site-home__link:hover {
  background: #e2e9e5;
  border-color: rgba(0, 0, 0, 0.14);
  color: var(--atlas-accent);
  box-shadow: 0 2px 10px rgba(45, 106, 79, 0.1);
}

.lab-site-home .site-home__link:hover .site-home__link-secondary {
  color: var(--atlas-accent);
}

.lab-site-home .site-home__link:focus {
  outline: none;
}

.lab-site-home .site-home__link:focus-visible {
  outline: 2px solid var(--atlas-accent);
  outline-offset: 3px;
}

@media print {
  .lab-site-home .site-home__list {
    gap: 0.4rem;
  }

  .lab-site-home .site-home__link {
    box-shadow: none;
    border-color: #ccc;
  }

  .atlas-panel.page-break {
    page-break-after: always;
  }

  .lab-brain-atlas h1.atlas-sr-only {
    position: static !important;
    width: auto !important;
    height: auto !important;
    margin: 0 0 0.75rem !important;
    padding: 0 !important;
    overflow: visible !important;
    clip: auto !important;
    white-space: normal !important;
    border: 0 !important;
    font-size: 1.35rem;
    font-weight: 600;
    text-align: center;
    color: #000;
  }

  .lab-brain-atlas .atlas-species-toggle {
    display: none !important;
  }

  .atlas-links,
  .atlas-toolbar,
  .atlas-form-error,
  button[type="submit"],
  .atlas-cite-btn,
  .atlas-cite-status,
  .atlas-slice-nav {
    display: none !important;
  }

  .lab-brain-atlas .atlas-form-row {
    justify-content: center;
    margin-bottom: 0.75rem;
  }

  .lab-brain-atlas .field input[type="text"] {
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  .lab-brain-atlas .atlas-marker {
    opacity: 1 !important;
    transform: translate(-50%, -50%) scale(1) !important;
  }

  .lab-brain-atlas .atlas-marker,
  .lab-brain-atlas .atlas-marker::before,
  .lab-brain-atlas .atlas-marker::after {
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  .lab-brain-atlas .atlas-colophon--fixed {
    position: static !important;
    z-index: auto;
    margin-top: 1.75rem;
    padding: 0.65rem 0 0 !important;
    border-top: 1px solid #ddd;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    background: transparent !important;
    font-size: 0.75rem;
    color: #666;
  }

  .lab-brain-atlas .atlas-colophon--fixed a {
    color: var(--atlas-accent);
  }
}

@page {
  size: 8.5in 11in;
  margin: 0.5in;
}