/* Final public-surface convergence contract for Lab and Systems routes. */

:root {
  --atlas-surface-gutter: clamp(16px, 3vw, 48px);
  --atlas-surface-gap-standard: clamp(40px, 4vw, 48px);
  --atlas-surface-gap-immersive: clamp(24px, 3vw, 32px);
  --atlas-surface-gap-directory: clamp(56px, 6vw, 72px);
  --atlas-surface-title-standard: clamp(3rem, 6vw, 5rem);
  --atlas-surface-title-directory: clamp(2.8rem, 7vw, 5.25rem);
  --atlas-surface-title-immersive: clamp(4rem, 8vw, 7rem);
  --atlas-surface-copy-standard: 760px;
  --atlas-surface-copy-immersive: 52ch;
}

body[data-atlas-surface] .atlas-surface-eyebrow {
  margin-top: 0;
  color: var(--accent, #f5a623) !important;
  font-family: var(--mono, "IBM Plex Mono", monospace) !important;
  font-size: 10px !important;
  font-style: normal !important;
  font-weight: 500 !important;
  line-height: 1.5 !important;
  letter-spacing: 0.16em !important;
  text-transform: uppercase !important;
}

body[data-atlas-surface] .atlas-surface-title {
  max-width: 940px;
  margin-top: 0.65rem !important;
  color: var(--text, #e8e8e0) !important;
  font-family: var(--serif, "DM Serif Display", Georgia, serif) !important;
  font-style: normal !important;
  font-weight: 400 !important;
  line-height: 0.96 !important;
  letter-spacing: -0.035em !important;
  text-transform: none !important;
  text-wrap: balance;
}

body[data-atlas-surface-mode="standard"] .atlas-surface-title {
  font-size: var(--atlas-surface-title-standard) !important;
}

body[data-atlas-surface-mode="directory"] .atlas-surface-title {
  font-size: var(--atlas-surface-title-directory) !important;
  line-height: 1 !important;
  letter-spacing: -0.02em !important;
}

body[data-atlas-surface-mode="immersive"] .atlas-surface-title,
body[data-atlas-surface-mode="product"] .atlas-surface-title {
  font-size: var(--atlas-surface-title-immersive) !important;
}

body[data-atlas-surface-mode="standard"] .atlas-surface-title :is(span, em, strong),
body[data-atlas-surface-mode="directory"] .atlas-surface-title :is(span, em, strong),
body[data-atlas-surface-mode="immersive"] .atlas-surface-title :is(span, em, strong),
body[data-atlas-surface-mode="product"] .atlas-surface-title :is(span, em, strong) {
  color: inherit !important;
  font: inherit !important;
  text-transform: inherit !important;
}

/* Explore title punctuation / emphasis must win over the inherit clamp above.
   Key off accent metadata so Speculum/Shape cannot regress when routes are added. */
.atlas-surface-title[data-atlas-title-accent="punctuation"] span,
body[data-lab-route="almost"] .atlas-surface-title span,
body[data-lab-route="drift"] .atlas-surface-title span,
body[data-lab-route="speculum"] .atlas-surface-title span,
body[data-lab-route="anomaly"] .atlas-surface-title span,
body[data-lab-route="bearing"] .atlas-surface-title em,
.atlas-surface-title[data-atlas-title-accent="word"] em {
  color: var(--accent, #f5a623) !important;
}

body[data-atlas-surface] .atlas-surface-lede {
  max-width: var(--atlas-surface-copy-standard) !important;
  color: var(--text-dim, #aaa9a0) !important;
  font-family: var(--mono, "IBM Plex Mono", monospace) !important;
  font-size: clamp(15px, 1.35vw, 17px) !important;
  line-height: 1.8 !important;
}

body[data-atlas-surface-mode="directory"] .atlas-surface-lede {
  font-size: 16px !important;
}

body[data-atlas-surface-mode="immersive"] .atlas-surface-lede,
body[data-atlas-surface-mode="product"] .atlas-surface-lede {
  max-width: var(--atlas-surface-copy-immersive) !important;
}

/* Systems directory and evidence surfaces share one editorial frame. */
body[data-atlas-surface="systems"][data-atlas-surface-mode="directory"] main {
  padding-top: 0 !important;
}

body[data-atlas-surface="systems"][data-atlas-surface-mode="directory"] .page-intro {
  padding: calc(var(--atlas-header-height, 56px) + 5rem) 0 4rem !important;
}

body[data-atlas-surface="systems"][data-atlas-surface-mode="standard"] .focus-main {
  padding-top: calc(var(--atlas-header-height, 56px) + var(--atlas-surface-gap-standard)) !important;
}

body[data-atlas-surface="systems"] .focus-hero,
body[data-atlas-surface="systems"] .systems-detail-intro {
  margin-top: 0 !important;
}

body[data-atlas-surface="systems"] .systems-detail-breadcrumbs {
  margin-bottom: 1rem;
}

body[data-atlas-surface="systems"] .systems-detail-kicker.atlas-surface-eyebrow {
  margin-bottom: 0.75rem;
}

body[data-atlas-surface="systems"] .focus-lede.atlas-surface-lede {
  margin-top: 1.25rem;
}

/* Lab directories breathe; individual tools start from one measured rhythm. */
body[data-lab-shell][data-atlas-surface-mode="directory"] main {
  padding-top: 0 !important;
}

body[data-lab-shell][data-atlas-surface-mode="directory"] .lab-landing-hero {
  padding-top: var(--atlas-surface-gap-directory) !important;
}

body[data-lab-shell][data-atlas-surface-mode="standard"] main {
  padding-top: var(--atlas-surface-gap-standard) !important;
}

body[data-lab-shell][data-atlas-surface-mode="standard"] .atlas-surface-hero {
  margin-top: 0 !important;
  padding-top: 0 !important;
}

body[data-lab-shell][data-atlas-surface-mode="immersive"] main {
  padding-top: 0 !important;
}

body[data-lab-shell][data-atlas-surface-mode="product"] main {
  padding-top: var(--atlas-surface-gap-immersive) !important;
}

body[data-lab-route="speculum"] main {
  padding-top: 0 !important;
}

body[data-lab-route="speculum"] .intro {
  margin-top: 0 !important;
  padding-top: var(--atlas-surface-gap-standard) !important;
}

body[data-lab-route="speculum"] .intro .thesis {
  margin-top: 0.75rem;
}

body[data-lab-route="signal"] .hero {
  max-width: var(--atlas-surface-copy-standard);
  margin-top: 0 !important;
  padding-top: var(--atlas-surface-gap-immersive) !important;
}

body[data-lab-route="almost"] .almost-title,
body[data-lab-route="drift"] .drift-title {
  top: var(--atlas-surface-gap-immersive) !important;
  left: var(--atlas-surface-gutter) !important;
}

body[data-lab-route="almost"] .almost-title h1,
body[data-lab-route="drift"] .drift-title h1 {
  font-size: var(--atlas-surface-title-immersive) !important;
}

body[data-lab-route="almost"] .almost-title > p:last-child,
body[data-lab-route="drift"] .drift-title > p:last-child {
  max-width: var(--atlas-surface-copy-immersive);
  color: var(--text-dim, #aaa9a0) !important;
  font-family: var(--mono, "IBM Plex Mono", monospace) !important;
  font-size: 12px !important;
  line-height: 1.7 !important;
  letter-spacing: 0.08em !important;
  text-transform: uppercase !important;
}

/* The Bearing keeps its lattice and telemetry, but adopts the estate shell and type system. */
body[data-lab-route="bearing"] {
  --ground: #07070b;
  --ground-deep: #030305;
  --surface: #0f1017;
  --rule: rgba(255, 255, 255, 0.08);
  --rule-soft: rgba(255, 255, 255, 0.055);
  --ink: #e8e8e0;
  --ink-quiet: #aaa9a0;
  --ink-faint: #888894;
  --strut: #4a4d5c;
  --load: #f5a623;
  --load-hot: #ffd27a;
  --critical: #e24b4a;
  --restored: #4ade80;
  --flash: #fff6e2;
  --glow: 0.9;
  --paper-grid: 0;
  --f-display: "DM Serif Display", Georgia, serif;
  --f-body: "IBM Plex Mono", monospace;
  --f-data: "IBM Plex Mono", monospace;
  font-family: var(--f-body) !important;
}

body[data-lab-route="bearing"] .nameplate {
  top: var(--atlas-surface-gap-immersive) !important;
  bottom: auto !important;
  left: var(--atlas-surface-gutter) !important;
  max-width: min(var(--atlas-surface-copy-standard), calc(100% - (2 * var(--atlas-surface-gutter)))) !important;
}

body[data-lab-route="bearing"] .nameplate .eyebrow {
  margin-bottom: 0.75rem !important;
}

body[data-lab-route="bearing"] .nameplate .eyebrow .sep {
  display: none !important;
}

body[data-lab-route="bearing"] h1.title {
  font-size: var(--atlas-surface-title-immersive) !important;
  line-height: 0.9 !important;
  letter-spacing: -0.04em !important;
  text-transform: none !important;
}

body[data-lab-route="bearing"] h1.title em {
  display: block;
  text-shadow: 0 0 34px rgba(245, 166, 35, 0.3) !important;
}

body[data-lab-route="bearing"] .nameplate p.thesis {
  max-width: var(--atlas-surface-copy-immersive) !important;
  margin-top: 1rem !important;
  font-family: var(--f-body) !important;
  font-size: clamp(14px, 1.25vw, 17px) !important;
  line-height: 1.7 !important;
}

body[data-lab-route="bearing"] .controls {
  top: var(--atlas-surface-gap-immersive) !important;
  right: var(--atlas-surface-gutter) !important;
}

body[data-lab-route="bearing"] :is(.tag, .act, .gauge .k, .gauge .v, .gauge .u, .hint, .log, .band p, .step p, .embed p) {
  font-family: var(--f-body) !important;
}

body[data-lab-route="bearing"] :is(.sect, .step h3) {
  font-family: var(--f-display) !important;
  font-weight: 400 !important;
}

body[data-lab-route="bearing"] .gauge .v {
  font-weight: 500 !important;
}

/* Directory taxonomy is part of the same stylesheet to preserve accepted request and style caps. */
.directory-taxonomy {
  width: min(100%, 760px);
  margin-top: 20px;
  border-top: 1px solid var(--border, rgba(255, 255, 255, 0.08));
  border-bottom: 1px solid var(--border, rgba(255, 255, 255, 0.08));
}

.directory-taxonomy summary,
.lab-directory-secondary summary {
  min-height: 44px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-dim, #aaa9a0);
  font: 500 10px/1.4 var(--mono, "IBM Plex Mono", monospace);
  letter-spacing: 0.1em;
  list-style: none;
  text-transform: uppercase;
  cursor: pointer;
}

.directory-taxonomy summary::-webkit-details-marker,
.lab-directory-secondary summary::-webkit-details-marker {
  display: none;
}

.directory-taxonomy summary::after,
.lab-directory-secondary summary::after {
  content: "+";
  color: var(--accent, #f5a623);
}

.directory-taxonomy[open] summary::after,
.lab-directory-secondary[open] summary::after {
  content: "−";
}

.directory-taxonomy__content {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  padding: 0 0 18px;
}

.directory-taxonomy__content p {
  margin: 0;
  color: var(--text-faint, #888894);
  font-size: 11px;
  line-height: 1.65;
}

.directory-taxonomy__content strong {
  color: var(--text, #e8e8e0);
  font-weight: 500;
}

.lab-directory-secondary {
  margin-top: 32px;
  border: 1px solid var(--border, rgba(255, 255, 255, 0.08));
  background: rgba(17, 17, 24, 0.58);
}

.lab-directory-secondary summary {
  padding: 0 16px;
}

.lab-directory-secondary__links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  padding: 1px;
  background: var(--border, rgba(255, 255, 255, 0.08));
}

.lab-directory-secondary__links a {
  min-width: 0;
  min-height: 68px;
  display: grid;
  align-content: center;
  gap: 5px;
  padding: 12px 16px;
  background: var(--bg-1, #111118);
  color: var(--text, #e8e8e0);
  text-decoration: none;
}

.lab-directory-secondary__links a:hover,
.lab-directory-secondary__links a:focus-visible {
  background: var(--accent-dim, rgba(245, 166, 35, 0.12));
}

.lab-directory-secondary__links strong {
  font: 400 18px/1.2 var(--serif, "DM Serif Display", Georgia, serif);
}

.lab-directory-secondary__links span {
  color: var(--text-faint, #888894);
  font-size: 10px;
  line-height: 1.5;
}

.directory-group-marker {
  color: var(--accent, #f5a623);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

body[data-lab-directory-presentation="single"] section[hidden],
body[data-systems-directory-presentation="purpose-first"] aside[hidden] {
  display: none !important;
}

@media (max-width: 768px) {
  :root {
    --atlas-surface-gap-standard: 24px;
    --atlas-surface-gap-immersive: 20px;
    --atlas-surface-gap-directory: 36px;
    --atlas-surface-title-standard: clamp(2.6rem, 13vw, 4rem);
    --atlas-surface-title-directory: clamp(2.45rem, 13vw, 4rem);
    --atlas-surface-title-immersive: clamp(3.2rem, 18vw, 4.75rem);
  }

  body[data-atlas-surface="systems"][data-atlas-surface-mode="directory"] main {
    padding-top: 0 !important;
  }

  body[data-atlas-surface="systems"][data-atlas-surface-mode="directory"] .page-intro {
    padding: calc(var(--atlas-header-height, 56px) + 3.5rem) 0 3rem !important;
  }

  body[data-atlas-surface="systems"][data-atlas-surface-mode="standard"] .focus-main {
    padding-top: calc(var(--atlas-header-height, 56px) + var(--atlas-surface-gap-standard)) !important;
  }

  body[data-lab-route="almost"] .almost-title,
  body[data-lab-route="drift"] .drift-title,
  body[data-lab-route="bearing"] .nameplate {
    left: 20px !important;
    max-width: calc(100% - 40px) !important;
  }

  body[data-lab-route="bearing"] .controls {
    top: auto !important;
    right: 16px !important;
    bottom: calc(var(--rail-h) + 16px) !important;
  }

  body[data-lab-route="bearing"] .nameplate p.thesis {
    max-width: 34ch !important;
    font-size: 13px !important;
  }
}

@media (min-width: 769px) {
  body[data-lab-route="bearing"] .controls {
    display: grid !important;
  }
}

@media (max-width: 620px) {
  .directory-taxonomy__content,
  .lab-directory-secondary__links {
    grid-template-columns: 1fr;
  }

  .directory-taxonomy {
    margin-top: 16px;
  }

  .lab-directory-secondary {
    margin-top: 24px;
  }
}

@media (max-width: 520px) {
  body[data-lab-route="bearing"] .nameplate p.thesis {
    max-width: 30ch !important;
  }

  body[data-lab-route="bearing"] .nameplate p.thesis br {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  body[data-atlas-surface] .atlas-surface-hero,
  body[data-atlas-surface] .atlas-surface-title,
  body[data-atlas-surface] .atlas-surface-eyebrow {
    animation: none !important;
    transition: none !important;
  }
}