.sample-atlas-shell{--sample-atlas-nav-offset:0px;--sample-atlas-watermark-h:3.75rem;--sample-atlas-rail-top:calc(var(--sample-atlas-nav-offset) + var(--sample-atlas-watermark-h));--app-rail-width:clamp(248px, 27vw, 300px);--sample-atlas-rail-width:var(--app-rail-width);background:var(--color-background);width:100%;min-height:100dvh;color:var(--color-foreground);font-family:var(--font-primary);font-size:var(--text-sm,.875rem);line-height:var(--line-height-normal,1.45);-webkit-font-smoothing:antialiased;flex-direction:column;display:flex}.sample-atlas-shell__watermark-bar{width:100%;min-height:var(--sample-atlas-watermark-h);border-bottom:1px solid var(--color-accent-tint,var(--color-border));background:color-mix(in srgb, var(--color-background-recessed) 82%, transparent);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);box-shadow:var(--shadow-elevation-1,none);font-family:var(--font-primary);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.75rem 1rem;padding:.5rem clamp(1rem,3vw,1.5rem);display:flex}.sample-atlas-shell__watermark-start{flex-wrap:wrap;flex:auto;align-items:center;gap:.75rem 1.25rem;min-width:0;display:flex}.sample-atlas-shell__logo{flex-shrink:0}.sample-atlas-shell__logo .font-brand-wordmark{background:var(--gradient-brass-foil)!important;-webkit-text-fill-color:transparent!important;color:#0000!important;-webkit-background-clip:text!important;background-clip:text!important}.sample-atlas-shell__watermark{min-width:0;font-family:var(--font-primary);letter-spacing:.01em;color:var(--color-marketing-foreground-nav,var(--color-foreground-muted));margin:0;font-size:.8125rem;font-weight:500}.sample-atlas-shell__cta{font-family:var(--font-primary);white-space:nowrap;cursor:pointer;appearance:none;color:var(--brass-ink);background:var(--gradient-brass-foil);box-shadow:inset 0 1px 0 var(--brass-edge-hi), inset 0 -1px 0 var(--brass-edge-lo), 0 10px 34px -8px var(--brass-glow);text-shadow:0 1px 0 var(--brass-text-shadow);border:1px solid #0000;border-radius:9999px;flex-shrink:0;align-items:center;padding:.4rem .9rem;font-size:.8125rem;font-weight:600;text-decoration:none;display:inline-flex}.sample-atlas-shell__cta--compact{padding:.35rem .85rem;font-size:.75rem}.sample-atlas-shell__cta:hover{filter:brightness(1.03);box-shadow:inset 0 1px 0 var(--brass-edge-hi), inset 0 -1px 0 var(--brass-edge-lo), 0 14px 42px -6px var(--brass-glow);transform:translateY(-1px)}.sample-atlas-shell__body{flex:1;width:100%;max-width:none;min-height:0;display:flex}.sample-atlas-shell__sidebar-wrap{border-bottom:1px solid var(--color-border);background:var(--surface-gradient-recessed);flex-shrink:0}.sample-atlas-shell__sidebar-details{display:block}.sample-atlas-shell__sidebar-toggle{cursor:pointer;font-family:var(--font-primary);color:var(--color-marketing-foreground-muted,var(--color-foreground-muted));padding:.75rem 1rem;font-size:.8125rem;font-weight:600;list-style:none}.sample-atlas-shell__sidebar-toggle::-webkit-details-marker{display:none}.sample-atlas-shell__sidebar-inner{min-height:0;padding:.25rem 0 .75rem}.sample-atlas-shell .anv-workspace-sidebar{--anv-rail-fg-strong:var(--color-brand-ivory-muted);--anv-rail-fg-muted:var(--color-marketing-foreground-muted);--anv-rail-fg-subtle:var(--color-marketing-foreground-subtle);--anv-rail-hover:var(--color-accent-brand-soft);height:100%;min-height:0;color:var(--anv-rail-fg-muted);font-family:var(--font-primary);background:0 0;flex-direction:column;font-size:.875rem;line-height:1.35;display:flex}.sample-atlas-shell .anv-workspace-sidebar__scroll{overscroll-behavior:contain;flex:1;gap:.625rem;min-height:0;padding:.25rem .75rem .75rem;overflow:hidden auto}.sample-atlas-shell .workspace-chapter-rail,.sample-atlas-shell .workspace-chapter-rail-root{font-family:var(--font-primary);font-size:.875rem}.sample-atlas-shell .workspace-chapter-rail section>div:first-child h3,.sample-atlas-shell .workspace-chapter-rail h3{font-family:var(--font-primary);letter-spacing:.14em;text-transform:uppercase;color:var(--anv-rail-fg-subtle,var(--color-marketing-foreground-subtle));margin:0;font-size:.625rem;font-weight:600}.sample-atlas-shell .workspace-chapter-rail__item:not(.workspace-chapter-rail__back-link--brass),.sample-atlas-shell .workspace-chapter-rail button.workspace-chapter-rail__item{text-align:left;cursor:pointer;width:100%;min-width:0;font-family:var(--font-primary);color:var(--anv-rail-fg-muted);background:0 0;border:0;border-radius:.5rem;align-items:center;gap:.5rem;padding:.25rem .625rem;font-size:.875rem;font-weight:500;line-height:1.35;text-decoration:none;display:flex}.sample-atlas-shell .workspace-chapter-rail__item:not(.workspace-chapter-rail__back-link--brass):hover:not([data-sidebar-active]):not(.workspace-chapter-rail__item--active){background:var(--anv-rail-hover);color:var(--anv-rail-fg-strong)}.sample-atlas-shell .workspace-chapter-rail__item[data-sidebar-active],.sample-atlas-shell .workspace-chapter-rail__item--active,.sample-atlas-shell .workspace-chapter-rail a.workspace-chapter-rail__item.llm-reading-surface--rail[data-sidebar-active]{background:var(--gradient-brass-foil);color:var(--brass-ink);box-shadow:inset 0 1px 0 var(--brass-edge-hi), inset 0 -1px 0 var(--brass-edge-lo), 0 4px 12px -4px var(--brass-glow);text-shadow:0 1px 0 var(--brass-text-shadow)}.sample-atlas-shell .workspace-chapter-rail a.workspace-chapter-rail__item.llm-reading-surface--rail:not([data-sidebar-active]){color:var(--anv-rail-fg-muted)}.sample-atlas-shell .workspace-chapter-rail__item[data-sidebar-active] .anv-icon-slot,.sample-atlas-shell .workspace-chapter-rail__item--active .anv-icon-slot,.sample-atlas-shell .workspace-chapter-rail__item[data-sidebar-active] svg,.sample-atlas-shell .workspace-chapter-rail__item--active svg{color:var(--brass-ink)}.sample-atlas-shell .workspace-chapter-rail__back-link--brass,.sample-atlas-shell .anv-workspace-sidebar .workspace-chapter-rail__back-link--brass{background:var(--gradient-brass-foil);color:var(--brass-ink);box-shadow:inset 0 1px 0 var(--brass-edge-hi), inset 0 -1px 0 var(--brass-edge-lo), 0 4px 12px -4px var(--brass-glow);text-shadow:0 1px 0 var(--brass-text-shadow)}.sample-atlas-shell .workspace-chapter-rail__back-link--brass:hover,.sample-atlas-shell .workspace-chapter-rail__back-link--brass:focus-visible,.sample-atlas-shell .anv-workspace-sidebar .workspace-chapter-rail__back-link--brass:hover,.sample-atlas-shell .anv-workspace-sidebar .workspace-chapter-rail__back-link--brass:focus-visible{background:var(--gradient-brass-foil);color:var(--brass-ink);filter:brightness(1.03)}.sample-atlas-shell .workspace-chapter-rail__back-link--brass span[aria-hidden]{color:color-mix(in srgb, var(--brass-ink) 72%, transparent)}.sample-atlas-shell .workspace-chapter-rail__hint{font-family:var(--font-primary);color:inherit;opacity:.85;font-size:.6875rem;font-style:italic;font-weight:400}.sample-atlas-shell__main{background:var(--color-background);min-width:0;font-family:var(--font-primary);font-size:var(--text-sm,.875rem);flex-direction:column;flex:1;display:flex}.sample-atlas-shell__header{border-bottom:1px solid var(--color-border);background:color-mix(in srgb, var(--color-marketing-canvas) 82%, transparent);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.75rem;padding:1rem 1.25rem;display:flex}.sample-atlas-shell__subject-name{font-family:var(--font-secondary);color:var(--color-foreground);margin:0;font-size:1.125rem;font-weight:600}.sample-atlas-shell__subject-meta{font-family:var(--font-primary);color:var(--color-foreground-muted);margin:.125rem 0 0;font-size:.8125rem}.sample-atlas-shell__content{background:var(--surface-gradient-recessed);min-width:0;box-shadow:inset 0 0 0 1px color-mix(in srgb, var(--color-border) 55%, transparent);flex:1;padding:1rem 1.25rem 2rem}.sample-atlas-shell__content.app-workspace__main .atlas-dashboard{width:100%}.sample-atlas-shell__content.app-workspace__main .atlas-dashboard .atlas-main{box-sizing:border-box;scroll-snap-type:none;width:100%;max-width:min(80rem,100%);margin-inline:auto;overflow:visible}.sample-atlas-shell__content.app-workspace__main .atlas-dashboard--spread .atlas-spread__chrome{width:100%;max-width:100%;margin-inline:0}.sample-atlas-shell__content.app-workspace__main .atlas-section-card-wrap{scroll-margin-top:1rem}.sample-atlas-shell--chat{height:100dvh;max-height:100dvh;overflow:hidden}.sample-atlas-shell--chat .sample-atlas-shell__body,.sample-atlas-shell--chat .sample-atlas-shell__main,.sample-atlas-shell--chat .sample-atlas-shell__content--chat{flex-direction:column;flex:1;min-height:0;display:flex}.sample-atlas-shell__content--chat{box-shadow:none;background:0 0;padding:0;overflow:hidden}.sample-atlas-shell__content--chat>*{flex:1;min-height:0}@media (min-width:1024px){.sample-atlas-shell__watermark-bar{top:var(--sample-atlas-nav-offset);z-index:40;position:fixed;left:0;right:0}.sample-atlas-shell__sidebar-wrap{top:var(--sample-atlas-rail-top);z-index:35;width:var(--sample-atlas-rail-width);min-width:var(--sample-atlas-rail-width);border-right:1px solid var(--color-border);border-bottom:none;flex-direction:column;padding:.75rem 0 .5rem;display:flex;position:fixed;bottom:0;left:0;overflow:hidden}.sample-atlas-shell__sidebar-details{flex-direction:column;flex:1;min-height:0;display:flex;overflow:hidden}.sample-atlas-shell__sidebar-toggle{display:none}.sample-atlas-shell__sidebar-inner{flex-direction:column;flex:1;min-height:0;padding:0;display:flex;overflow:hidden}.sample-atlas-shell__body{padding-left:var(--sample-atlas-rail-width);padding-top:var(--sample-atlas-watermark-h);display:block}.sample-atlas-shell__main{width:100%}.sample-atlas-shell__content{padding:1rem 1.25rem 2rem}.sample-atlas-shell--chat .sample-atlas-shell__body{flex:1;min-height:0;display:flex;overflow:hidden}.sample-atlas-shell--chat .sample-atlas-shell__main{flex-direction:column;flex:1;min-height:0;display:flex;overflow:hidden}.sample-atlas-shell--chat .sample-atlas-shell__content--chat{flex:1;min-height:0;overflow:hidden}}@media (max-width:1023px){.sample-atlas-shell__content{padding:1rem 1rem calc(1rem + env(safe-area-inset-bottom,0px))}}