*{box-sizing:border-box}
:root{
  --bg:#040914;--shell:#07111f;--line:#1a2c46;--line-hi:#2d4a6e;
  --text:#c9d9ea;--muted:#7f93ab;--accent:#7fd4e3;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}
[hidden]{display:none!important}
html,body{height:100%;height:100dvh;margin:0;padding:0;overflow:hidden}
body{
  display:flex;flex-direction:column;padding:0 0 var(--site-header-gutter,24px);box-sizing:border-box;
  background:var(--bg);color:var(--text);
  font:14px/1.45 system-ui,-apple-system,"Segoe UI",sans-serif;
}
.skip-link{position:absolute;top:-100px;left:1rem;background:var(--accent);color:#040914;padding:.5rem 1rem;font-weight:600;border-radius:6px;z-index:100;text-decoration:none}
.skip-link:focus{top:1rem}

.site-header.shared-header{flex:0 0 auto}
/* The mascot is bottom-heavy: sit it slightly above center so it reads level with the label. Replaces the shared translateY(2px). */
.site-header.shared-header .shared-header-brand img{margin:0;transform:translateY(-1px)}

.shared-header-nav button.header-link{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0;border:0;
  white-space:nowrap;font:inherit;letter-spacing:normal;color:inherit;background:transparent;cursor:pointer;
  background:linear-gradient(#8df6ff,#8df6ff) left calc(100% - 4px)/0 1px no-repeat;transition:background-size .15s;
}
.shared-header-nav button.header-link:hover{color:#8df6ff;background-size:100% 1px}
.shared-header-nav button.header-link:focus-visible{outline:2px solid #8df6ff;outline-offset:4px}

.shell{
  width:100%;max-width:min(1072px,calc(100vw - 2 * var(--site-header-gutter,24px)));flex:1 1 auto;min-height:0;
  margin:14px auto 0;display:flex;flex-direction:column;
  background:var(--shell);border:1px solid var(--line);border-radius:10px;overflow:hidden;
}
.bar{display:flex;align-items:center;gap:12px;padding:10px 14px;border-bottom:1px solid var(--line);flex-wrap:wrap;row-gap:6px}
.status{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:8px 14px;border-top:1px solid var(--line);font-size:12px;min-height:38px}
.brand{display:flex;align-items:center;gap:10px;min-width:0;color:var(--text);text-decoration:none}
.brand img{display:block;flex:none;image-rendering:auto}
.wordmark{min-width:0;font-weight:600;letter-spacing:.04em;font-size:16px;line-height:1.25;overflow-wrap:anywhere}
.links{margin-left:auto;display:flex;gap:8px}
.controls{display:inline-flex;gap:4px;align-items:center;flex:none}
.spacer{flex:1 1 auto}
.muted{color:var(--muted)}
.link{
  font:inherit;color:var(--text);background:transparent;text-decoration:none;cursor:pointer;
  border:1px solid var(--line);border-radius:4px;padding:3px 10px;font-size:12px;
}
.link.small{padding:2px 8px;font-size:11.5px;min-height:24px}
.link.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:26px;height:26px;min-height:26px;padding:0;flex:none;
}
.link.icon-btn svg{display:block;flex:none}
.link:hover,.link[aria-pressed="true"]{border-color:var(--line-hi);color:#fff}
.link.icon-btn[aria-pressed="true"]{border-color:var(--accent);color:var(--accent);background:rgba(127,212,227,.12)}
.link:disabled{opacity:.45;cursor:default}
.link:focus-visible,.view:focus-visible,pre:focus-visible,.brand:focus-visible,.term-body:focus-visible,.dlg-note a:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* Divider: hidden without JS; JS sets pane tracks from the playback clock via CSSOM */
.divider{
  display:none;position:relative;min-width:0;overflow:hidden;touch-action:none;cursor:col-resize;
  background:linear-gradient(var(--line),var(--line)) center/1px 100% no-repeat;
}
.divider::after{
  content:"";position:absolute;left:50%;top:50%;width:2px;height:36px;border-radius:1px;
  transform:translate(-50%,-50%);background:var(--muted);opacity:.7;
}
.divider:hover,.divider.dragging{background-color:rgba(127,212,227,.1)}
.divider:hover::after,.divider.dragging::after{background:var(--accent);opacity:1}
.divider:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}
.js .workspace{grid-template-columns:0 0 minmax(0,1fr)}
.js .workspace .divider{display:block}
.js .workspace .stage{min-height:0;border:0}

/* Paired workspace: 3D left, terminal right */
.workspace{
  display:grid;grid-template-columns:minmax(0,58fr) minmax(0,42fr);
  flex:1 1 auto;min-height:0;height:auto;
}
.stage{position:relative;min-width:0;min-height:0;overflow:hidden;border-right:1px solid var(--line)}
.view{
  position:absolute;inset:0;width:100%;height:100%;display:block;touch-action:none;cursor:grab;
}
.stage:not(.live) .view{pointer-events:none}
.empty{
  position:absolute;left:50%;top:calc(43% + 56px);transform:translateX(-50%);width:calc(100% - 24px);
  text-align:center;pointer-events:none;
}
.empty p{margin:0}
.empty-title{font-size:15px;color:var(--text)}
.empty-sub{font-size:12px;color:var(--muted);margin-top:2px}
.view:focus-visible{outline-offset:-3px}
.view.dragging{cursor:grabbing}
.view.hot{cursor:pointer}
.overlay{pointer-events:none}
.ov{
  position:absolute;left:12px;top:12px;max-width:calc(100% - 24px);pointer-events:none;
  font-size:12px;padding:3px 10px;border:1px solid var(--line-hi);border-radius:999px;
  background:rgba(10,24,48,.8);color:var(--text);
}
.tip{
  position:absolute;left:0;top:0;pointer-events:none;white-space:nowrap;
  background:#0a1830;border:1px solid var(--line-hi);border-radius:6px;padding:3px 8px;font-size:12px;
}
.fallback{position:absolute;inset:0;display:grid;place-items:center;padding:24px;text-align:center;color:var(--muted)}
.fallback a{color:var(--accent)}

.term{display:flex;flex-direction:column;min-width:0;min-height:0;background:#050c18}
.term-head{
  display:flex;align-items:baseline;justify-content:space-between;gap:10px;flex-wrap:wrap;
  padding:8px 14px;border-bottom:1px solid var(--line);font-size:12px;
}
.term-title{font-weight:600;letter-spacing:.04em}
.term-body{
  flex:1;min-height:0;overflow-y:auto;overflow-x:hidden;padding:10px 14px;
  font:13.5px/1.55 var(--mono);
}
.term-ns{padding:10px 14px;margin:0;color:var(--muted)}
.tl{white-space:pre-wrap;overflow-wrap:anywhere;word-break:break-word}
.tl.cmd{color:#e8f4ff}
.tl.out{color:#b5dcc0}
.tl.note{color:var(--muted);font-style:italic}
.tl.ev{color:#93a9c0}
.tl.ev[title]{cursor:help}
.tl.typing::after{
  content:"";display:inline-block;width:.6em;height:1.1em;margin-left:1px;
  background:var(--accent);vertical-align:text-bottom;
}

.phases{display:flex;gap:4px;list-style:none;margin:0;padding:0}
.phases li{display:none;padding:1px 9px;border:1px solid var(--accent);border-radius:999px;color:var(--accent);font-size:11.5px;font-weight:600}
.phases li[aria-current="step"]{display:list-item}
.phases:not(:has(li[aria-current="step"])) li:first-child{display:list-item}
#progress{font-size:12px;font-weight:500;color:var(--text);white-space:nowrap}
.visually-hidden{
  position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;
  clip:rect(0 0 0 0);white-space:nowrap;border:0;
}
dialog{
  background:var(--shell);color:var(--text);border:1px solid var(--line-hi);border-radius:10px;
  padding:0;width:min(560px,calc(100vw - 24px));
}
dialog::backdrop{background:rgba(2,6,14,.72)}
.dlg-body{padding:18px 20px}
.dlg-body p{margin:0 0 10px}
.dlg-title{font-weight:600;font-size:16px}
.dlg-note{font-size:12px;color:var(--muted)}
.dlg-note a{color:var(--muted);text-decoration:underline}
.dlg-note a:hover{color:var(--text)}
pre{
  margin:10px 0;padding:8px 12px;overflow-x:auto;background:#030814;
  border:1px solid var(--line);border-radius:5px;font:12px/1.6 var(--mono);
}
code{font:inherit}
.dlg-actions{display:flex;gap:8px;justify-content:flex-end;margin-top:12px}
.dlg-actions .link{padding:4px 14px;font-size:12.5px;min-height:28px;width:auto}

.brand-h{margin:0;font:inherit}
.note-short{display:none}

@media (max-width:700px){
  .shell{margin-top:10px;flex:1 1 auto}
  .workspace{
    display:grid;grid-template-columns:minmax(0,1fr);grid-template-rows:minmax(0,52fr) minmax(0,48fr);
    height:auto;flex:1 1 auto;min-height:0;overflow:hidden;
  }
  .stage{border-right:0;border-bottom:1px solid var(--line);flex:52 1 0;min-height:0}
  .term{flex:48 1 0;min-height:0}
  .js .workspace{grid-template-columns:minmax(0,1fr);grid-template-rows:minmax(0,0fr) minmax(0,100fr)}
  .js .workspace .divider{display:none}
  .js .workspace .term{border-top:1px solid var(--line)}
  .controls .link{min-height:24px;padding:2px 8px;font-size:11px}
  .dlg-actions .link{min-height:28px;padding:3px 12px;font-size:12px}
  .term-body{font-size:12.5px;line-height:1.5}
  .term-head{flex-wrap:nowrap}
}
@media (max-width:600px){
  .bar{padding:8px 10px;gap:6px 8px;flex-wrap:wrap}
  .status{padding:6px 12px}
  .brand-h{min-width:0;max-width:100%}
  .wordmark{font-size:15px;letter-spacing:.02em}
  .links{gap:6px;margin-left:0}
  .links .link{padding:8px 10px}
  .term-head{padding:6px 10px}
  .term-body{padding:8px 10px}
  .phases li{padding:1px 6px;font-size:11px}
  #progress{font-size:11.5px}
}
@media (max-width:379px){
  .wordmark{font-size:14px;letter-spacing:.01em}
  .links .link{padding:8px}
}

/* First paint matches app.js's opening layout (applyLayout), so nothing shifts when the script starts:
   terminal only while the reveal runs; with reduced motion the panes start at their resting split. */
@media (prefers-reduced-motion:reduce){
  .js .workspace{grid-template-columns:minmax(0,580fr) 24px minmax(0,420fr)}
}
@media (prefers-reduced-motion:reduce) and (max-width:700px){
  .js .workspace{grid-template-columns:minmax(0,1fr);grid-template-rows:minmax(0,52fr) minmax(0,48fr)}
}