/* Standalone recovery navigation. Existing tool controls and engines stay intact. */
html[data-atlas-return-layout] {
  --atlas-return-height: calc(53px + env(safe-area-inset-top, 0px));
  scroll-padding-top: calc(var(--atlas-return-height) + 12px);
}
html[data-atlas-return-embedded="true"] { --atlas-return-height: 0px; }
nav.atlas-return-nav {
  box-sizing: border-box;
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  flex: none;
  gap: 0;
  width: 100%;
  margin: 0;
  padding: calc(4px + env(safe-area-inset-top, 0px)) 14px 4px;
  border: 0;
  border-bottom: 1px solid #4a6b56;
  border-radius: 0;
  background: #10281a;
  color: #fafcf7;
  text-align: left;
}
nav.atlas-return-nav[hidden] { display: none !important; }
nav.atlas-return-nav > a {
  box-sizing: border-box;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  min-width: 44px;
  max-width: 100%;
  margin: 0;
  padding: 8px 12px;
  border: 1px solid #4a6b56;
  border-radius: 8px;
  background: #16301f;
  color: #e3c258;
  font: 600 14px/1.4 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  text-decoration: none;
  overflow-wrap: anywhere;
}
nav.atlas-return-nav > a:hover { border-color: #e3c258; text-decoration: underline; }
nav.atlas-return-nav > a:focus-visible { outline: 3px solid #fafcf7; outline-offset: 2px; }
html[data-atlas-return-layout] body > .skip { z-index: 40; }
html[data-atlas-return-layout="query"] { --atlas-return-header-height: 78px; }
html[data-atlas-return-layout="primitives"] { --atlas-return-header-height: 70px; }
html[data-atlas-return-layout="query"] body > header,
html[data-atlas-return-layout="primitives"] body > header,
html[data-atlas-return-layout="chat"] .askbar,
html[data-atlas-return-layout="verify"] body > .bar {
  top: var(--atlas-return-height);
}
html[data-atlas-return-layout="query"] .side,
html[data-atlas-return-layout="primitives"] .side {
  top: calc(var(--atlas-return-height) + var(--atlas-return-header-height));
  height: calc(100vh - var(--atlas-return-height) - var(--atlas-return-header-height));
}
html[data-atlas-return-layout="curation"] .side {
  top: var(--atlas-return-height);
  height: calc(100vh - 80px - var(--atlas-return-height));
}
html[data-atlas-return-layout="gap"] .wrap,
html[data-atlas-return-layout="tracer"] .wrap {
  min-height: calc(100vh - 66px - var(--atlas-return-height));
}
/* Field's canvas remains at the viewport origin; only its existing bar gains a link. */
html[data-atlas-return-layout="field"] nav.atlas-return-nav {
  position: static;
  width: auto;
  padding: 0;
  border: 0;
  background: transparent;
}
/* The error page keeps its original centered flex layout. */
html[data-atlas-return-layout="guided"]:not([data-atlas-return-embedded="true"]) body {
  height: auto;
  min-height: 100%;
}
html[data-atlas-return-layout="not-found"] nav.atlas-return-nav {
  position: fixed;
  left: 0;
  right: 0;
}
@media (max-width: 720px) {
  html[data-atlas-return-layout="query"] .side,
  html[data-atlas-return-layout="primitives"] .side,
  html[data-atlas-return-layout="curation"] .side { top: auto; height: auto; }
  html[data-atlas-return-layout="gap"] .wrap,
  html[data-atlas-return-layout="tracer"] .wrap { min-height: 0; }
}
@media print {
  html[data-atlas-return-layout] { --atlas-return-height: 0px; }
  nav.atlas-return-nav { display: none; }
}