/* A restrained visual layer over the standard Read the Docs theme. */
:root {
  --atlas-blue: #287aa3;
  --atlas-blue-soft: #edf6fb;
  --atlas-teal: #317f78;
  --atlas-teal-soft: #eef8f5;
  --atlas-gold: #9a762f;
  --atlas-gold-soft: #fbf6e9;
  --atlas-ink: #2f3b45;
  --atlas-muted: #5e6d78;
  --atlas-line: #dce6ec;
}

.rst-content {
  color: var(--atlas-ink);
}

.rst-content .document > div > section > h1 {
  margin-bottom: 1rem;
  padding-bottom: 0.55rem;
  border-bottom: 1px solid var(--atlas-line);
  color: #2c4858;
}

.rst-content .document > div > section > h1 + p {
  margin: -0.15rem 0 1.35rem;
  padding: 0.75rem 1rem;
  background: linear-gradient(90deg, var(--atlas-blue-soft), #f9fbfc);
  border-left: 3px solid #79abc3;
  border-radius: 0 7px 7px 0;
  color: #405663;
  font-size: 1.01rem;
  line-height: 1.65;
}

.rst-content h2 {
  padding-bottom: 0.3rem;
  border-bottom: 1px solid #e6edf1;
  color: #31596d;
}

.rst-content h3,
.rst-content .rubric {
  color: #3f6d79;
}

.rst-content a,
.wy-menu-vertical a:active {
  color: var(--atlas-blue);
}

.wy-side-nav-search {
  background: #317fab;
}

.atlas-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(15rem, 0.85fr);
  align-items: center;
  gap: 1.15rem;
  margin: 0 0 1.6rem;
  padding: 1.35rem 1.5rem 1.25rem;
  background: linear-gradient(135deg, var(--atlas-blue-soft), #f8fbfd 62%, var(--atlas-teal-soft));
  border: 1px solid #d6e7f0;
  border-radius: 10px;
  box-shadow: 0 4px 14px rgba(38, 78, 99, 0.06);
}

.atlas-hero-map {
  min-width: 0;
}

.rst-content .atlas-hero-map img {
  display: block;
  width: 100%;
  height: 17.5rem;
  margin: 0;
  object-fit: cover;
  object-position: center;
  border: 1px solid #d7e3e8;
  border-radius: 8px;
  box-shadow: 0 5px 16px rgba(35, 70, 88, 0.12);
}

.atlas-hero p:last-child,
.atlas-card p:last-child,
.atlas-stat p:last-child {
  margin-bottom: 0;
}

.atlas-kicker {
  color: var(--atlas-teal);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.075em;
  text-transform: uppercase;
}

.atlas-hero-title {
  margin: 0.3rem 0 0.55rem;
  color: #24485c;
  font-family: Roboto Slab, Georgia, serif;
  font-size: 1.55rem;
  font-weight: 700;
  line-height: 1.25;
}

.atlas-hero-copy {
  max-width: 52rem;
  color: #405663;
  font-size: 1.02rem;
  line-height: 1.7;
}

.atlas-stat-grid,
.atlas-card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
  margin: 1rem 0 1.7rem;
}

.atlas-stat,
.atlas-card {
  min-width: 0;
  padding: 0.95rem 1rem;
  background: #fff;
  border: 1px solid var(--atlas-line);
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(38, 68, 85, 0.045);
}

.atlas-stat {
  border-top: 3px solid #7caec6;
  text-align: center;
}

.atlas-stat strong {
  display: block;
  margin-bottom: 0.1rem;
  color: #265f7c;
  font-family: Roboto Slab, Georgia, serif;
  font-size: 1.35rem;
}

.atlas-map-showcase {
  margin: 1rem 0 1.55rem;
  padding: 0.65rem;
  background: linear-gradient(135deg, #f4f9fb, #f8fbfa);
  border: 1px solid #d5e3e9;
  border-radius: 10px;
  box-shadow: 0 6px 18px rgba(35, 70, 88, 0.08);
}

.rst-content .atlas-map-showcase img {
  display: block;
  width: 100%;
  margin: 0;
  border: 1px solid #e0e8ec;
  border-radius: 7px;
}

.atlas-map-showcase-copy {
  padding: 0.75rem 0.7rem 0.2rem;
  color: var(--atlas-muted);
  line-height: 1.55;
}

.atlas-map-showcase-copy p:last-child {
  margin-bottom: 0;
}

.atlas-stat p,
.atlas-card p {
  color: var(--atlas-muted);
}

.atlas-card h3,
.atlas-card .rubric {
  margin: 0 0 0.45rem;
  color: #31596d;
  font-size: 1rem;
}

.atlas-card strong {
  color: #31596d;
}

.atlas-card-blue {
  background: linear-gradient(180deg, #fff, #f5fafe);
  border-top: 3px solid #6fa7c4;
}

.atlas-card-teal {
  background: linear-gradient(180deg, #fff, #f4faf8);
  border-top: 3px solid #72aa9e;
}

.atlas-card-gold {
  background: linear-gradient(180deg, #fff, #fdfaf2);
  border-top: 3px solid #c4a664;
}

.atlas-flag-row {
  margin: 1rem 0 1.4rem;
  padding: 0.7rem 1rem;
  background: #f8fafb;
  border: 1px solid var(--atlas-line);
  border-radius: 8px;
  color: var(--atlas-muted);
  line-height: 2.15;
}

.atlas-flag {
  display: inline-block;
  margin: 0 0.12rem 0 0.35rem;
  font-family: "Segoe UI Emoji", "Apple Color Emoji", "Noto Color Emoji", sans-serif;
  font-size: 1.35em;
  line-height: 1;
  vertical-align: -0.08em;
}

.atlas-flag-image {
  display: inline-block;
  width: 1.45em;
  height: 1.45em;
  margin: 0 0.14rem 0 0.35rem;
  object-fit: contain;
  vertical-align: -0.32em;
}

.atlas-example-label {
  display: inline-block;
  margin: 0 0 0.45rem;
  padding: 0.18rem 0.55rem;
  background: var(--atlas-teal-soft);
  border-radius: 999px;
  color: #2e6e68;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.025em;
}

.rst-content div[class^="highlight"],
.rst-content div.highlight {
  border: 1px solid #e0e8ed;
  border-left: 3px solid #79abc3;
  border-radius: 7px;
  box-shadow: 0 3px 10px rgba(38, 68, 85, 0.05);
  overflow: hidden;
}

.rst-content .atlas-example-label + div[class^="highlight"],
.rst-content .atlas-example-label + div.highlight {
  border-left-color: #72aa9e;
}

.rst-content table.docutils {
  border: 1px solid var(--atlas-line);
}

.rst-content table.docutils thead {
  background: #edf5f8;
  color: #315568;
}

.rst-content table.docutils tbody tr:nth-child(even) {
  background: #fafcfd;
}

.rst-content .admonition.tip {
  background: #f1f8f5;
}

.rst-content .admonition.tip > .admonition-title {
  background: #478b80;
}

.rst-content .admonition.note {
  background: #f2f7fa;
}

.wy-nav-content {
  max-width: 1120px;
}

.atlas-project-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 1rem 0 1.45rem;
}

.rst-content .atlas-project-link {
  display: inline-flex;
  align-items: center;
  min-height: 2.3rem;
  padding: 0.42rem 0.78rem;
  background: #fff;
  border: 1px solid #cadbe4;
  border-radius: 7px;
  color: #31596d;
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
  transition: border-color 120ms ease, box-shadow 120ms ease, transform 120ms ease;
}

.rst-content .atlas-project-link:hover,
.rst-content .atlas-project-link:focus-visible {
  border-color: #7caec6;
  box-shadow: 0 3px 9px rgba(38, 78, 99, 0.09);
  transform: translateY(-1px);
}

.rst-content .atlas-project-link-primary {
  background: var(--atlas-teal);
  border-color: var(--atlas-teal);
  color: #fff;
}

.atlas-playground {
  margin: 1.2rem 0 2.1rem;
  overflow: hidden;
  background: #f8fafb;
  border: 1px solid #cfdee6;
  border-radius: 11px;
  box-shadow: 0 8px 24px rgba(38, 68, 85, 0.08);
}

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

.atlas-playground-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.4rem;
  padding: 1.2rem 1.3rem 1rem;
  background: linear-gradient(125deg, #eef7fb, #f9fbfc 58%, #eef8f5);
  border-bottom: 1px solid #dce7ec;
}

.atlas-playground-header h2 {
  margin: 0.1rem 0 0.35rem;
  padding: 0;
  border: 0;
  color: #294e61;
  font-size: 1.35rem;
}

.atlas-playground-header p {
  margin: 0;
  color: #4f626e;
}

.atlas-playground-header kbd {
  padding: 0.08rem 0.3rem;
  background: #fff;
  border: 1px solid #cbd8de;
  border-bottom-width: 2px;
  border-radius: 4px;
  box-shadow: none;
  color: #40515c;
  font-size: 0.78rem;
}

.atlas-playground .atlas-playground-eyebrow {
  margin: 0 0 0.08rem;
  color: var(--atlas-teal);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.085em;
  text-transform: uppercase;
}

.atlas-runtime-status {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 0.48rem;
  min-height: 2rem;
  padding: 0.36rem 0.66rem;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid #d2e0e6;
  border-radius: 999px;
  color: #536670;
  font-size: 0.78rem;
  font-weight: 600;
}

.atlas-status-dot {
  width: 0.58rem;
  height: 0.58rem;
  background: #9a762f;
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(154, 118, 47, 0.12);
}

.atlas-runtime-status[data-state="ready"] .atlas-status-dot {
  background: #3c8b71;
  box-shadow: 0 0 0 3px rgba(60, 139, 113, 0.13);
}

.atlas-runtime-status[data-state="running"] .atlas-status-dot,
.atlas-runtime-status[data-state="loading"] .atlas-status-dot {
  animation: atlas-pulse 1.2s ease-in-out infinite;
}

.atlas-runtime-status[data-state="error"] .atlas-status-dot {
  background: #b95353;
  box-shadow: 0 0 0 3px rgba(185, 83, 83, 0.12);
}

@keyframes atlas-pulse {
  50% {
    opacity: 0.45;
    transform: scale(0.82);
  }
}

.atlas-runtime-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  padding: 0.7rem 1.3rem 0;
}

.atlas-runtime-facts span {
  padding: 0.2rem 0.52rem;
  background: #fff;
  border: 1px solid #dce6eb;
  border-radius: 999px;
  color: #65747d;
  font-size: 0.72rem;
}

.atlas-runtime-facts strong {
  color: #3e5967;
  font-weight: 650;
}

.atlas-preset-section {
  padding: 0.8rem 1.3rem 0.95rem;
}

.atlas-playground .atlas-control-label {
  margin: 0 0 0.38rem;
  color: #576a75;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.045em;
  text-transform: uppercase;
}

.atlas-preset-list {
  display: flex;
  flex-direction: column;
  gap: 0.68rem;
}

.atlas-preset-group {
  margin: 0;
}

.atlas-playground .atlas-preset-group-label {
  margin: 0 0 0.28rem;
  color: #6b7d87;
  font-size: 0.67rem;
  font-weight: 700;
  letter-spacing: 0.035em;
}

.atlas-preset-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.48rem;
}

.atlas-preset {
  min-width: 0;
  padding: 0.58rem 0.66rem;
  background: #fff;
  border: 1px solid #d7e2e8;
  border-radius: 7px;
  color: #435967;
  cursor: pointer;
  font: inherit;
  text-align: left;
  transition: border-color 120ms ease, background 120ms ease, box-shadow 120ms ease;
}

.atlas-preset strong,
.atlas-preset span {
  display: block;
}

.atlas-preset strong {
  margin-bottom: 0.08rem;
  color: #31596d;
  font-size: 0.78rem;
}

.atlas-preset span {
  overflow: hidden;
  color: #71808a;
  font-size: 0.68rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.atlas-preset:hover,
.atlas-preset:focus-visible {
  border-color: #8fb6c8;
  box-shadow: 0 2px 7px rgba(38, 68, 85, 0.07);
  outline: none;
}

.atlas-preset[aria-pressed="true"] {
  background: var(--atlas-blue-soft);
  border-color: #6fa6bf;
  box-shadow: inset 3px 0 #3981a5;
}

.atlas-playground-workspace {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  border-top: 1px solid #dce6eb;
}

.atlas-code-panel,
.atlas-output-panel {
  min-width: 0;
  background: #18242d;
}

.atlas-code-panel {
  border-right: 1px solid #32424c;
}

.atlas-panel-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 2.55rem;
  padding: 0.42rem 0.72rem;
  background: #22313b;
  border-bottom: 1px solid #334650;
  color: #c4d1d8;
  font: 600 0.72rem/1.3 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.atlas-toolbar-actions {
  display: flex;
  gap: 0.25rem;
}

.atlas-language-dot {
  display: inline-block;
  width: 0.48rem;
  height: 0.48rem;
  margin-right: 0.35rem;
  background: #d7b654;
  border-radius: 50%;
  vertical-align: 0.02rem;
}

.atlas-code-panel textarea {
  display: block;
  width: 100%;
  height: 25rem;
  min-height: 18rem;
  margin: 0;
  padding: 0.92rem 1rem;
  resize: vertical;
  background: #18242d;
  border: 0;
  border-radius: 0;
  color: #e6edf1;
  caret-color: #8fc4dc;
  font: 0.78rem/1.55 "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  tab-size: 4;
}

.atlas-code-panel textarea:focus {
  box-shadow: inset 0 0 0 2px #4d91ae;
  outline: none;
}

.atlas-code-panel textarea:read-only {
  opacity: 0.72;
}

.rst-content .atlas-output-panel pre {
  height: 27.9rem;
  min-height: 20.55rem;
  margin: 0;
  overflow: auto;
  padding: 0.92rem 1rem;
  background: #111b22;
  border: 0;
  border-radius: 0;
  color: #d7e1e6;
  font: 0.76rem/1.55 "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  overflow-wrap: anywhere;
  white-space: pre-wrap;
}

.atlas-output-muted {
  color: #84959f;
}

.atlas-output-stderr {
  color: #f0abab;
}

.atlas-output-result {
  color: #bddba8;
}

.atlas-editor-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.7rem;
  min-height: 3rem;
  padding: 0.48rem 0.68rem;
  background: #22313b;
  border-top: 1px solid #334650;
  color: #97a9b3;
  font-size: 0.68rem;
}

.atlas-editor-actions > div {
  display: flex;
  flex: 0 0 auto;
  gap: 0.35rem;
}

.atlas-button {
  min-height: 1.9rem;
  padding: 0.28rem 0.56rem;
  border: 1px solid transparent;
  border-radius: 5px;
  cursor: pointer;
  font: 600 0.7rem/1 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.atlas-button:focus-visible {
  outline: 2px solid #8fc4dc;
  outline-offset: 2px;
}

.atlas-button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

.atlas-button-quiet {
  min-height: 1.65rem;
  padding: 0.2rem 0.4rem;
  background: transparent;
  border-color: #455a66;
  color: #c1cfd6;
}

.atlas-button-quiet:hover:not(:disabled) {
  background: #30424d;
}

.atlas-button-run {
  background: #3f8c79;
  border-color: #4b9b87;
  color: #fff;
}

.atlas-button-run:hover:not(:disabled) {
  background: #367b6b;
}

.atlas-button-stop {
  background: transparent;
  border-color: #8a5e5e;
  color: #e7baba;
}

.atlas-playground-fallback {
  margin: 0;
  padding: 0.75rem 1rem;
  background: #fff5e8;
  color: #6c552e;
}

.rst-content .atlas-recipe-launch {
  display: inline-flex;
  align-items: center;
  margin: 0.15rem 0 1rem;
  padding: 0.42rem 0.72rem;
  background: var(--atlas-blue-soft);
  border: 1px solid #c9e0eb;
  border-radius: 6px;
  color: #286b8b;
  font-size: 0.82rem;
  font-weight: 650;
  text-decoration: none;
}

.rst-content .atlas-recipe-launch:hover,
.rst-content .atlas-recipe-launch:focus-visible {
  background: #e3f1f7;
  border-color: #8bb9cc;
}

.rst-content .atlas-recipe-launch-primary {
  padding: 0.55rem 0.85rem;
  background: var(--atlas-teal);
  border-color: var(--atlas-teal);
  color: #fff;
}

.rst-content .atlas-recipe-launch-primary:hover,
.rst-content .atlas-recipe-launch-primary:focus-visible {
  background: #286f69;
  border-color: #286f69;
}

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
  clip: rect(1px, 1px, 1px, 1px) !important;
  white-space: nowrap !important;
}

@media (max-width: 900px) {
  .atlas-hero {
    grid-template-columns: 1fr;
  }

  .rst-content .atlas-hero-map img {
    height: auto;
  }

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

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

  .atlas-playground-workspace {
    grid-template-columns: 1fr;
  }

  .atlas-code-panel {
    border-right: 0;
    border-bottom: 1px solid #32424c;
  }

  .rst-content .atlas-output-panel pre {
    height: 18rem;
    min-height: 14rem;
  }
}

@media (max-width: 560px) {
  .atlas-hero {
    padding: 1.1rem;
  }

  .atlas-stat-grid,
  .atlas-card-grid {
    grid-template-columns: 1fr;
  }

  .atlas-playground-header,
  .atlas-editor-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .atlas-runtime-status {
    align-self: flex-start;
  }

  .atlas-runtime-facts,
  .atlas-preset-section,
  .atlas-playground-header {
    padding-right: 0.85rem;
    padding-left: 0.85rem;
  }

  .atlas-preset-section {
    max-height: 30rem;
    overflow-y: auto;
  }

  .atlas-preset-grid {
    grid-template-columns: 1fr;
  }

  .atlas-preset span {
    white-space: normal;
  }

  .atlas-code-panel textarea {
    height: 29rem;
    font-size: 0.72rem;
  }

  .atlas-editor-actions > div {
    justify-content: flex-end;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
  }

  .atlas-runtime-status[data-state="running"] .atlas-status-dot,
  .atlas-runtime-status[data-state="loading"] .atlas-status-dot {
    animation: none;
  }
}