/* Orbis site: landing, privacy and 404. One dark world (Void), no inline style or script anywhere (CSP in src/http.ts).
   Fonts are served from this site: latin subsets of @fontsource-variable 5.3.0, SIL Open Font License 1.1 (fonts/LICENSE-*.txt). */
@font-face { font-family: "Archivo"; font-style: normal; font-display: swap; font-weight: 100 900; font-stretch: 62% 125%; src: url("/fonts/archivo-latin-standard-normal.woff2") format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-display: swap; font-weight: 100 700; src: url("/fonts/ibm-plex-sans-latin-wght-normal.woff2") format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "JetBrains Mono"; font-style: normal; font-display: swap; font-weight: 100 800; src: url("/fonts/jetbrains-mono-latin-wght-normal.woff2") format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }

:root {
  color-scheme: dark;
  --void: #0b0c0f;
  --core: #181c25;
  --panel: #141414;
  --panel-2: #1a1b1e;
  --panel-3: #222429;
  --rule: #2a2d33;
  --rule-2: #3a3f48;
  --ink: #e6e8ec;
  --dim: #a3a9b4;
  --faint: #868e9b;
  --steel: #8fa3c4;
  --amber: #e7a33e;
  --amber-ink: #17110a;
  --add: #5cb87b;
  --del: #dc6a70;
  --add-bg: rgba(92, 184, 123, 0.11);
  --del-bg: rgba(220, 106, 112, 0.11);
  --amber-bg: rgba(231, 163, 62, 0.12);
  --display: "Archivo", "Segoe UI Variable Display", "Segoe UI", system-ui, sans-serif;
  --body: "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
  --mono: "JetBrains Mono", "Cascadia Mono", Consolas, ui-monospace, monospace;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--void); color: var(--ink); font: 16px/1.55 var(--body); -webkit-font-smoothing: antialiased; }
::selection { background: rgba(231, 163, 62, 0.34); color: #fff; }
:focus-visible { outline: 2px solid var(--amber); outline-offset: 2px; }
a { color: inherit; text-underline-offset: 3px; }
button { font: inherit; color: inherit; }
* { scrollbar-width: thin; scrollbar-color: var(--rule-2) transparent; }
h1, h2, h3 { text-wrap: balance; margin: 0; }
p { margin: 0; }

.wrap { padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
.inner { max-width: 1336px; margin-inline: auto; padding-inline: clamp(0px, 3vw, 40px); }

/* sky band */
.space { position: relative; isolation: isolate; overflow: hidden; }
.space.grab { cursor: grab; }
.space.grabbing, .space.grabbing * { cursor: grabbing !important; user-select: none; }
#sky { position: absolute; inset: 0; width: 100%; height: 100%; z-index: -1; display: block; }

.nav { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 5; display: flex; align-items: center; gap: 28px; padding-block: 18px; }
.brand { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; font-family: var(--display); font-stretch: 125%; font-weight: 700; font-size: 15px; letter-spacing: 0.24em; }
.brand svg { width: 19px; height: 19px; flex: none; }
.brand span { text-transform: uppercase; }
.nav .links { display: flex; gap: 26px; margin-left: auto; font-size: 14.5px; color: var(--dim); }
.nav .links a { text-decoration: none; }
.nav .links a:hover { color: var(--ink); }
.button { display: inline-flex; align-items: center; gap: 10px; border: 0; cursor: pointer; text-decoration: none; white-space: nowrap;
  background: var(--amber); color: var(--amber-ink); font-weight: 600; border-radius: 8px; padding: 13px 20px; font-size: 15.5px;
  transition: background-color 0.2s, transform 0.2s cubic-bezier(.2,.8,.2,1); }
.button:hover { background: #f1b457; }
.button:active { transform: translateY(1px); }
.button svg { width: 16px; height: 16px; }
.button.sm { padding: 8px 14px; font-size: 14px; border-radius: 7px; }
.button.line { background: transparent; color: var(--ink); box-shadow: inset 0 0 0 1px var(--rule-2); }
.button.line:hover { box-shadow: inset 0 0 0 1px var(--steel); background: rgba(143, 163, 196, 0.06); }

.hero { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); align-items: center; gap: 24px; padding-block: clamp(18px, 3.5vh, 44px) clamp(18px, 3vh, 34px); }
.copy { display: grid; gap: 18px; max-width: 760px; }
h1 { font-family: var(--display); font-stretch: 112%; font-weight: 620; font-size: clamp(2.3rem, 4vw, 3.5rem); line-height: 1.04; letter-spacing: -0.025em; }
.lead { font-size: clamp(1.02rem, 1.25vw, 1.16rem); color: var(--dim); max-width: 34em; }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 4px; }
.terms { display: flex; flex-wrap: wrap; gap: 6px 18px; font-size: 14px; color: var(--faint); }
@media (min-width: 1100px) { .terms { flex-wrap: nowrap; white-space: nowrap; } }
.terms span { display: inline-flex; align-items: center; gap: 8px; }
.terms span::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--steel); opacity: 0.8; }
.terms b { color: var(--ink); font-weight: 500; }
.orbit-slot { position: relative; aspect-ratio: 1; width: 100%; max-width: 330px; justify-self: center; touch-action: pan-y; }
.orbit-hint { position: absolute; left: 50%; bottom: -34px; transform: translateX(-50%); white-space: nowrap; font: 500 11.5px var(--mono); letter-spacing: 0.08em; color: var(--faint); transition: opacity 0.6s; pointer-events: none; }
.orbit-hint.gone { opacity: 0; }

/* showcase */
.show { min-width: 0; padding-bottom: clamp(40px, 7vw, 96px); scroll-margin-top: 70px; display: grid; grid-template-columns: minmax(0, 270px) minmax(0, 1fr); gap: 0 clamp(24px, 3vw, 44px); align-items: start; }
.demo { min-width: 0; }
[hidden] { display: none !important; }
.stepcopy { padding-top: 58px; display: grid; gap: 26px; }
.stepcopy h2 { font-size: clamp(1.6rem, 2.2vw, 2.05rem); line-height: 1.1; }
.sc { display: grid; gap: 8px; animation: scIn 0.45s cubic-bezier(.2,.8,.2,1); }
.sc b { font-family: var(--display); font-stretch: 110%; font-weight: 600; font-size: 17px; color: var(--amber); }
.sc p { color: var(--dim); font-size: 15.5px; line-height: 1.6; }
@keyframes scIn { from { opacity: 0.2; transform: translateY(6px); } }
.tour { position: relative; z-index: 2; display: flex; align-items: flex-end; gap: 10px; margin-bottom: -1px; }
.ttabs { display: flex; gap: 2px; min-width: 0; }
.ttab { position: relative; border: 0; cursor: pointer; border-radius: 10px 10px 0 0; padding: 11px 24px 14px; background: rgba(20, 20, 20, 0.5);
  font-family: var(--display); font-stretch: 110%; font-weight: 600; font-size: 16px; color: var(--faint); transition: color 0.25s, background-color 0.25s; }
.ttab:hover { color: var(--ink); }
.ttab[aria-selected="true"] { background: var(--panel); color: var(--ink); box-shadow: inset 1px 1px 0 var(--rule), inset -1px 0 0 var(--rule); }
.ttab .prog { position: absolute; left: 24px; right: 24px; bottom: 6px; height: 2px; border-radius: 1px; background: var(--amber); transform: scaleX(0); transform-origin: left; }
.tourctl { margin-left: 10px; align-self: center; flex: none; display: grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; cursor: pointer; border: 0; padding: 0; background: rgba(20, 20, 20, 0.55); box-shadow: inset 0 0 0 1px var(--rule-2); color: var(--dim); }
.tourctl:hover { color: var(--ink); }
.tourctl svg { width: 12px; height: 12px; }

.win { position: relative; z-index: 1; background: var(--panel); border-radius: 0 12px 12px 12px; box-shadow: 0 0 0 1px var(--rule), 0 50px 90px -30px rgba(0, 0, 0, 0.85);
  display: grid; grid-template-columns: minmax(0, 1fr); grid-template-rows: 36px minmax(0, 1fr) 28px; height: clamp(560px, 70vh, 680px); overflow: hidden; font-size: 13.5px; }
.titlebar { display: flex; align-items: center; gap: 12px; padding: 0 12px; border-bottom: 1px solid var(--rule); color: var(--dim); font-size: 12.5px; }
.titlebar .tb-brand { display: inline-flex; align-items: center; gap: 8px; font-family: var(--display); font-stretch: 125%; font-weight: 700; letter-spacing: 0.22em; font-size: 11px; color: var(--ink); }
.titlebar .tb-brand svg { width: 16px; height: 16px; }
.titlebar .tb-title { margin-inline: auto; }
.titlebar .tb-ctl { display: inline-flex; gap: 18px; color: var(--faint); }
.titlebar .tb-dl { text-decoration: none; font-size: 11.5px; font-weight: 600; color: var(--amber-ink); background: var(--amber); border-radius: 5px; padding: 3px 9px; margin-right: 8px; }
.titlebar .tb-dl:hover { background: #f1b457; }
.titlebar .tb-ctl svg { width: 11px; height: 11px; }
.panes { display: grid; grid-template-columns: 196px minmax(0, 1fr) 340px; min-height: 0; transition: grid-template-columns 0.55s cubic-bezier(.2,.8,.2,1); }
.win.chat-min .panes { grid-template-columns: 196px minmax(0, 1fr) 0px; }
.chat { overflow: hidden; transition: opacity 0.35s; }
.win.chat-min .chat { opacity: 0; border-left-color: transparent; }
.status { display: flex; align-items: center; gap: 18px; padding: 0 12px; border-top: 1px solid var(--rule); color: var(--faint); font-size: 12px; white-space: nowrap; overflow: hidden; }
.status .demo { margin-left: auto; color: var(--faint); }
.status #stRight { color: var(--dim); }
.status #stRight.on { color: var(--amber); }

/* tree */
.tree { border-right: 1px solid var(--rule); overflow: auto; padding: 6px 0 0; color: var(--dim); display: flex; flex-direction: column; }
.tree ul { flex: 1 0 auto; }
.tree-foot { padding: 10px 12px 12px; border-top: 1px solid var(--rule); }
.tree-foot .exportbtn { width: 100%; padding: 7px 10px; }
.ladfoot { display: none; padding: 16px 0 0 48px; }
.exportbtn.flash { box-shadow: 0 0 0 3px rgba(231, 163, 62, 0.35); }
.tree-head { display: flex; gap: 14px; padding: 6px 14px 10px; color: var(--faint); }
.tree-head svg { width: 15px; height: 15px; }
.tree-head svg:first-child { color: var(--ink); }
.tree ul { list-style: none; margin: 0; padding: 0; }
.tree li { display: flex; align-items: center; gap: 6px; height: 25px; padding-right: 10px; white-space: nowrap; }
.tree li svg { width: 13px; height: 13px; flex: none; color: var(--faint); }
.tree li .lbl { overflow: hidden; text-overflow: ellipsis; }
.tree li .n { margin-left: auto; font: 11px var(--mono); color: var(--faint); font-variant-numeric: tabular-nums; }
.tree li .m { margin-left: auto; font: 700 11px var(--mono); color: var(--amber); }
.tree li .m + .n { margin-left: 8px; }
.tree li.sel { background: var(--panel-3); color: var(--ink); }
.tree li.hd { color: var(--ink); font-weight: 500; }

/* center */
.center { position: relative; display: grid; grid-template-columns: minmax(0, 1fr); grid-template-rows: 34px 42px minmax(0, 1fr); min-width: 0; min-height: 0; }
.etabs { display: flex; align-items: stretch; border-bottom: 1px solid var(--rule); }
.etl { display: flex; }
.exportbtn { border: 0; cursor: pointer; font-size: 12px; font-weight: 600; border-radius: 6px; padding: 4px 10px; color: var(--amber); background: transparent; box-shadow: inset 0 0 0 1px rgba(231, 163, 62, 0.5); white-space: nowrap; }
.exportbtn:hover:not([disabled]) { background: var(--amber-bg); }
.exportbtn.ready { color: var(--amber-ink); background: var(--amber); }
.exportbtn[disabled] { color: var(--faint); box-shadow: inset 0 0 0 1px var(--rule-2); cursor: default; }
.etab { display: inline-flex; align-items: center; gap: 8px; padding: 0 16px; border: 0; border-right: 1px solid var(--rule); background: transparent; color: var(--faint); cursor: pointer; font-size: 13px; }
.etab svg { width: 13px; height: 13px; }
.etab[aria-selected="true"] { background: var(--panel); color: var(--ink); box-shadow: inset 0 -2px 0 var(--amber); }
.etab:not([aria-selected="true"]) { background: var(--panel-2); }
.etab .cnt { font: 600 10.5px var(--mono); color: var(--amber-ink); background: var(--amber); border-radius: 8px; padding: 1px 6px; }
.ebar { display: flex; align-items: center; gap: 12px; padding: 0 16px; border-bottom: 1px solid var(--rule); min-width: 0; }
.ebar .path { font-weight: 600; white-space: nowrap; }
.ebar .sub { color: var(--faint); font-size: 12.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ebar .tools { margin-left: auto; display: flex; align-items: center; gap: 6px; }
.edtog { display: inline-flex; align-items: center; gap: 6px; border: 0; cursor: pointer; border-radius: 6px; padding: 4px 10px; font-size: 12.5px; color: var(--dim); background: transparent; box-shadow: inset 0 0 0 1px var(--rule-2); }
.edtog:hover { color: var(--ink); }
.edtog svg { width: 13px; height: 13px; }
.edtog[aria-pressed="true"] { color: var(--amber); box-shadow: inset 0 0 0 1px rgba(231, 163, 62, 0.5); background: var(--amber-bg); }
.seg { display: inline-flex; border-radius: 6px; box-shadow: inset 0 0 0 1px var(--rule-2); overflow: hidden; }
.seg button { border: 0; background: transparent; color: var(--dim); padding: 5px 11px; font-size: 12.5px; cursor: pointer; white-space: nowrap; }
.seg button[aria-pressed="true"] { background: var(--panel-3); color: var(--ink); }
.palette { display: flex; align-items: center; gap: 3px; min-width: 0; }
.pi { flex: none; border: 0; cursor: grab; touch-action: none; font: 600 11px var(--mono); color: var(--ink); background: var(--panel-2); box-shadow: inset 0 0 0 1px var(--rule-2); border-radius: 5px; padding: 3px 6px; font-size: 10.5px; }
.pi:hover { box-shadow: inset 0 0 0 1px var(--steel); }
.pi.out { color: var(--steel); }
.trash { flex: none; display: grid; place-items: center; width: 24px; height: 22px; margin-left: 4px; border-radius: 5px; color: var(--faint); border: 1px dashed var(--rule-2); }
.trash svg { width: 14px; height: 14px; }
.trash.over { color: var(--del); background: var(--del-bg); }
.ebody { overflow: auto; padding: 8px 14px 90px 4px; position: relative; }

.rung { display: grid; grid-template-columns: 44px minmax(0, 1fr); position: relative; border-radius: 4px; transition: background-color 0.6s; }
.rung .num { position: relative; text-align: right; padding: 32px 12px 0 0; font: 12px var(--mono); color: var(--faint); font-variant-numeric: tabular-nums; }
.rung .num .sg { display: inline-block; width: 10px; margin-left: 2px; text-align: center; }
.rung .mk { position: absolute; left: 6px; top: 8px; bottom: 8px; width: 2px; border-radius: 1px; }
.rung.chg .mk { background: var(--amber); }
.rung.new .mk { background: var(--add); }
.rung .lad { overflow-x: auto; min-width: 0; }
.rung .cmt { font-size: 12px; color: var(--faint); padding: 6px 0 0 10px; }
.rung .err { font-size: 12px; color: var(--del); padding: 6px 0 0 10px; }
.rung.flash { background: var(--amber-bg); }
.rung.b-add { background: var(--add-bg); }
.rung.b-del { background: var(--del-bg); }
.rung.b-add .num { color: var(--add); }
.rung.b-del .num { color: var(--del); }
.rung.dim { opacity: 0.5; }
.rung.cur { box-shadow: inset 0 0 0 1px rgba(231, 163, 62, 0.45); }
.rung.gone .lad { display: grid; place-items: center; min-height: 70px; color: var(--faint); font-size: 12px; background: repeating-linear-gradient(135deg, transparent 0 7px, rgba(255,255,255,0.025) 7px 14px); border-radius: 4px; }
.side { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 0 10px; }
.side .colh { font-size: 12px; color: var(--faint); padding: 6px 0 4px 48px; }
.caret { position: absolute; z-index: 5; width: 2px; border-radius: 1px; background: var(--amber); pointer-events: none; }
.ghost { position: fixed; z-index: 50; pointer-events: none; font: 600 11.5px var(--mono); color: var(--ink); background: var(--panel-3); border-radius: 5px; padding: 4px 8px; box-shadow: 0 0 0 1px var(--amber), 0 10px 20px -6px rgba(0,0,0,0.7); transform: translate(-50%, -130%); white-space: nowrap; }

svg.ladder { display: block; overflow: visible; user-select: none; -webkit-user-select: none; }
svg.ladder.act, .ladder [data-act="el"] { touch-action: none; }
.ladder .w { stroke: #7d8592; stroke-width: 1.4; fill: none; }
.ladder .rail { stroke: #5a616d; stroke-width: 2; }
.ladder .g { stroke: var(--ink); stroke-width: 2; fill: none; }
.ladder .gl { font: 700 8.5px var(--mono); fill: var(--ink); }
.ladder .tx { font: 500 11.5px var(--mono); fill: var(--ink); }
.ladder .tx .p { fill: var(--faint); }
.ladder .bx { fill: var(--panel-2); stroke: #5a616d; stroke-width: 1.2; }
.ladder .bk { font: 700 11.5px var(--mono); fill: var(--ink); }
.ladder .bs { font: 400 10.5px var(--body); fill: var(--faint); }
.ladder .bl { font: 400 11px var(--body); fill: var(--faint); }
.ladder .bv { font: 500 11.5px var(--mono); fill: var(--ink); }
.ladder .pill { fill: var(--panel-2); stroke: #5a616d; stroke-width: 1; }
.ladder .pt { font: 600 8.5px var(--mono); fill: var(--faint); }
.ladder .hit, .ladder .thit { fill: transparent; }
.ladder .el.cite .g { stroke: var(--amber); }
.ladder .el.cite .tx, .ladder .el.cite .tx .p, .ladder .el.cite .gl { fill: var(--amber); }
.ladder .el.add .g { stroke: var(--add); }
.ladder .el.add .tx, .ladder .el.add .tx .p, .ladder .el.add .bv.ch, .ladder .el.add .gl { fill: var(--add); }
.ladder .el.del .g { stroke: var(--del); }
.ladder .el.del .tx, .ladder .el.del .tx .p, .ladder .el.del .bv.ch, .ladder .el.del .gl { fill: var(--del); }
.ladder .el.add .bx { stroke: var(--add); }
.ladder .el.del .bx { stroke: var(--del); }
.ladder .el.lift { opacity: 0.3; }
.ladder [data-act="el"] { cursor: grab; }
.ladder [data-act="el"]:hover .hit, .ladder [data-act="el"]:focus-visible .hit { fill: rgba(143, 163, 196, 0.10); stroke: var(--steel); stroke-width: 1; }
.ladder [data-act]:focus-visible { outline: none; }
.ladder [data-act="tag"], .ladder [data-act="pre"] { cursor: text; }
.ladder [data-act="tag"]:hover .thit { fill: rgba(231, 163, 62, 0.12); }
.ladder .pre-hit { fill: transparent; }
.ladder [data-act="pre"]:hover .pre-hit { fill: rgba(231, 163, 62, 0.14); stroke: var(--amber); stroke-width: 1; }

.inedit { position: absolute; z-index: 6; font: 500 12px var(--mono); color: var(--ink); background: var(--void); border: 1px solid var(--amber); border-radius: 4px; padding: 2px 6px; }
.hintbar { position: absolute; left: 50%; bottom: 14px; transform: translateX(-50%); z-index: 3; display: flex; align-items: center; gap: 10px; white-space: nowrap;
  background: var(--panel-3); border-radius: 8px; box-shadow: 0 0 0 1px var(--rule-2), 0 14px 30px -10px rgba(0, 0, 0, 0.7); padding: 8px 8px 8px 14px; font-size: 13px; color: var(--dim); }
.hintbar b { color: var(--ink); font-weight: 500; }
.hintbar .sep { width: 1px; height: 18px; background: var(--rule-2); }
.hintbar button { border: 0; border-radius: 6px; background: transparent; color: var(--ink); padding: 5px 10px; cursor: pointer; font-size: 13px; }
.hintbar button:hover { background: rgba(255, 255, 255, 0.06); }
.hintbar button.pri { background: var(--amber); color: var(--amber-ink); font-weight: 600; }
.hintbar button[disabled] { opacity: 0.4; cursor: default; }
.hintbar .ok { color: var(--add); display: inline-flex; align-items: center; gap: 6px; }
.hintbar .no { color: var(--del); }
.hintbar .ok svg { width: 14px; height: 14px; }
.empty { display: grid; place-items: center; text-align: center; gap: 12px; padding: 70px 20px; color: var(--dim); }
.tagtab { margin: 18px 0 0 48px; border-collapse: collapse; font-size: 12.5px; }
.tagtab caption { text-align: left; font-size: 12px; color: var(--faint); padding-bottom: 6px; }
.tagtab th { text-align: left; font-weight: 500; color: var(--faint); padding: 5px 18px 5px 0; border-bottom: 1px solid var(--rule); }
.tagtab td { padding: 6px 18px 6px 0; border-bottom: 1px solid var(--rule); }
.tagtab td.v { font-family: var(--mono); color: var(--add); }
.tagtab.cur { outline: 1px solid rgba(231, 163, 62, 0.45); outline-offset: 6px; border-radius: 2px; }
.badge { font-size: 11px; border-radius: 4px; padding: 1px 6px; box-shadow: inset 0 0 0 1px currentColor; }
.badge.a { color: var(--add); }

.ptr { position: absolute; z-index: 6; left: 0; top: 0; pointer-events: none; opacity: 0; transition: transform 0.9s cubic-bezier(.3,.7,.2,1), opacity 0.3s; }
.ptr svg { width: 18px; height: 18px; display: block; filter: drop-shadow(0 2px 3px rgba(0,0,0,0.6)); }
.ptr span { position: absolute; left: 16px; top: 16px; font: 600 10.5px var(--body); background: var(--steel); color: #0b0c0f; border-radius: 4px; padding: 1px 6px; }
.toast { position: absolute; z-index: 7; left: 50%; bottom: 76px; transform: translate(-50%, 8px); opacity: 0; pointer-events: none; transition: opacity 0.3s, transform 0.3s;
  background: var(--panel-3); box-shadow: 0 0 0 1px var(--rule-2), 0 16px 30px -12px rgba(0,0,0,0.8); border-radius: 8px; padding: 9px 14px; font-size: 13px; white-space: nowrap; }
.toast.on { opacity: 1; transform: translate(-50%, 0); }

/* chat */
.chat { border-left: 1px solid var(--rule); display: grid; grid-template-columns: minmax(0, 1fr); grid-template-rows: 34px minmax(0, 1fr) auto; min-width: 0; min-height: 0; }
.chat-h { display: flex; align-items: center; gap: 8px; padding: 0 12px; border-bottom: 1px solid var(--rule); color: var(--ink); font-size: 13px; }
.chat-h svg { width: 14px; height: 14px; color: var(--faint); }
.chat-h .sp { margin-left: auto; display: flex; gap: 12px; }
.msgs > * { min-width: 0; max-width: 100%; flex-shrink: 0; }
.msgs { overflow: auto; padding: 14px 14px 10px; display: flex; flex-direction: column; gap: 12px; }
.q { background: var(--panel-3); border-radius: 8px; padding: 10px 12px; color: var(--ink); }
.steps { display: grid; gap: 5px; font-size: 12.5px; color: var(--faint); }
.step { display: flex; align-items: center; gap: 8px; }
.step svg { width: 13px; height: 13px; flex: none; }
.step.run svg { animation: spin 1s linear infinite; color: var(--steel); }
.step.done svg { color: var(--faint); }
.step code { font-family: var(--mono); font-size: 11.5px; color: var(--dim); }
@keyframes spin { to { transform: rotate(360deg); } }
.a { color: #c9cdd4; line-height: 1.6; }
.q, .a { overflow-wrap: anywhere; }
.a code, .q code { font-family: var(--mono); font-size: 12px; color: var(--ink); }
.lcard { border-radius: 8px; box-shadow: inset 0 0 0 1px var(--rule-2); background: #101113; overflow: hidden; }
.lcard-h { display: flex; align-items: center; gap: 8px; padding: 7px 10px; border-bottom: 1px solid var(--rule); font-size: 12px; color: var(--dim); }
.lcard-h svg { width: 13px; height: 13px; color: var(--faint); }
.lcard-h button { margin-left: auto; border: 0; background: transparent; color: var(--steel); cursor: pointer; font-size: 12px; padding: 2px 4px; }
.lcard-h button:hover { color: var(--ink); text-decoration: underline; }
.lcard .lad { padding: 2px 8px 4px 0; overflow-x: auto; }
.cites { display: flex; flex-wrap: wrap; gap: 6px; }
.cite { border: 0; cursor: pointer; font: 500 11.5px var(--mono); color: var(--amber); background: var(--amber-bg); box-shadow: inset 0 0 0 1px rgba(231, 163, 62, 0.35); border-radius: 4px; padding: 3px 8px; }
.cite:hover { background: rgba(231, 163, 62, 0.2); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { border: 0; cursor: pointer; border-radius: 14px; padding: 6px 12px; font-size: 12.5px; color: var(--ink); background: transparent; box-shadow: inset 0 0 0 1px var(--rule-2); text-align: left; }
.chip:hover { box-shadow: inset 0 0 0 1px var(--steel); background: rgba(143, 163, 196, 0.06); }
.startfrom { display: grid; gap: 4px; margin-top: 4px; }
.startfrom h4 { margin: 0 0 4px; font-size: 12.5px; font-weight: 500; color: var(--faint); }
.sf { display: flex; align-items: center; gap: 10px; border: 0; background: transparent; cursor: pointer; text-align: left; padding: 7px 8px; border-radius: 6px; color: var(--ink); font-size: 13px; }
.sf:hover { background: var(--panel-3); }
.sf i { flex: none; width: 22px; height: 18px; border-radius: 4px; font: 600 9.5px/18px var(--mono); font-style: normal; text-align: center; color: var(--amber); background: var(--amber-bg); }
.composer { position: relative; margin: 0 12px 12px; border-radius: 10px; background: var(--panel-2); box-shadow: inset 0 0 0 1px var(--rule-2); padding: 10px 10px 8px 12px; display: grid; gap: 8px; }
.composer:focus-within { box-shadow: inset 0 0 0 1px var(--steel); }
.composer input { width: 100%; border: 0; outline: 0; background: transparent; color: var(--ink); font: 13.5px var(--body); padding: 2px 0; }
.composer input::placeholder { color: var(--faint); }
.composer .row { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--dim); }
.agentbtn { display: inline-flex; align-items: center; gap: 7px; border: 0; background: transparent; cursor: pointer; border-radius: 6px; padding: 4px 6px; margin-left: -6px; font-size: 12px; color: var(--dim); }
.agentbtn:hover, .agentbtn[aria-expanded="true"] { background: var(--panel-3); color: var(--ink); }
.agentbtn b { color: var(--ink); font-weight: 500; }
.agentbtn i { width: 8px; height: 8px; border-radius: 50%; background: var(--amber); }
.agentbtn svg { width: 12px; height: 12px; }
.menu { position: absolute; left: 6px; bottom: calc(100% + 6px); z-index: 8; width: 240px; background: var(--panel-3); border-radius: 10px; padding: 6px; box-shadow: 0 0 0 1px var(--rule-2), 0 20px 40px -12px rgba(0,0,0,0.8); }
.menu h5 { margin: 6px 8px 4px; font-size: 11.5px; font-weight: 500; color: var(--faint); }
.menu button.mi { display: flex; width: 100%; align-items: center; gap: 8px; border: 0; background: transparent; text-align: left; padding: 6px 8px; border-radius: 6px; cursor: pointer; font-size: 13px; color: var(--ink); }
.menu button.mi:hover { background: rgba(255,255,255,0.06); }
.menu button.mi svg { width: 13px; height: 13px; margin-left: auto; color: var(--amber); visibility: hidden; }
.menu button.mi[aria-checked="true"] svg { visibility: visible; }
.menu .eff { display: flex; align-items: center; gap: 8px; margin: 6px 8px 4px; padding-top: 8px; border-top: 1px solid var(--rule-2); font-size: 12px; color: var(--faint); }
.menu .eff .seg { margin-left: auto; }
.menu .seg button[aria-pressed="true"] { background: var(--amber-bg); color: var(--amber); box-shadow: inset 0 0 0 1px rgba(231, 163, 62, 0.45); }
.composer .send { margin-left: auto; width: 28px; height: 28px; border-radius: 50%; border: 0; background: var(--panel-3); color: var(--ink); display: grid; place-items: center; cursor: pointer; }
.composer .send:hover { background: var(--amber); color: var(--amber-ink); }
.composer .send svg { width: 14px; height: 14px; }

/* agents */
.agents { padding-block: clamp(56px, 9vw, 120px); border-top: 1px solid var(--rule); }
.agents .grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr); gap: clamp(32px, 6vw, 96px); align-items: start; }
h2 { font-family: var(--display); font-stretch: 112%; font-weight: 600; font-size: clamp(2rem, 3.4vw, 3rem); line-height: 1.05; letter-spacing: -0.02em; }
.agents .body { margin-top: 22px; color: var(--dim); font-size: 1.08rem; max-width: 34em; }
.facts { margin: 36px 0 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 32px; }
.facts div { padding: 16px 0; border-top: 1px solid var(--rule); }
.facts dt { font-weight: 600; }
.facts dd { margin: 3px 0 0; color: var(--faint); font-size: 14.5px; }
.picker { background: var(--panel); border-radius: 12px; box-shadow: 0 0 0 1px var(--rule), 0 40px 70px -30px rgba(0,0,0,0.8); padding: 18px; display: grid; gap: 10px; }
.picker h3 { font-size: 14px; font-weight: 500; color: var(--dim); margin-bottom: 4px; }
.opt { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 14px; padding: 14px; border-radius: 9px; cursor: pointer; box-shadow: inset 0 0 0 1px var(--rule); transition: box-shadow 0.2s, background-color 0.2s; }
.opt:hover { box-shadow: inset 0 0 0 1px var(--rule-2); }
.opt:has(input:checked) { box-shadow: inset 0 0 0 1px var(--amber); background: var(--amber-bg); }
.opt input { appearance: none; width: 16px; height: 16px; border-radius: 50%; margin: 0; box-shadow: inset 0 0 0 1.5px var(--rule-2); display: grid; place-items: center; }
.opt input:checked { box-shadow: inset 0 0 0 1.5px var(--amber); }
.opt input:checked::after { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--amber); }
.opt b { display: block; font-weight: 600; }
.opt small { display: block; color: var(--faint); font-size: 13px; margin-top: 1px; }
.opt .st { font-size: 12px; color: var(--faint); }

/* close */
.close { padding-block: clamp(80px, 12vw, 170px); border-top: 1px solid var(--rule); text-align: center; }
.close .inner { display: grid; justify-items: center; gap: 28px; }
.close h2 { font-size: clamp(2.8rem, 6.5vw, 5.4rem); letter-spacing: -0.03em; }
.close small { display: block; color: var(--faint); font-size: 13.5px; margin-top: -12px; }
.or { margin: -14px 0; font-size: 14px; color: var(--faint); }
.getbar { display: flex; align-items: center; gap: 14px; min-width: 0; max-width: 100%; padding: 8px 8px 8px 18px; border-radius: 12px; background: var(--panel-2); box-shadow: inset 0 0 0 1px var(--rule); }
.shell { flex: none; font: 500 11px var(--mono); letter-spacing: 0.04em; color: var(--faint); padding-right: 12px; border-right: 1px solid var(--rule-2); }
#installCmd { min-width: 0; overflow-x: auto; white-space: nowrap; font: 500 14.5px var(--mono); color: var(--ink); }
#installCmd .k { color: #e0875a; }
#installCmd .p { color: var(--steel); }
.gb-copy { flex: none; display: grid; place-items: center; width: 32px; height: 32px; border: 0; border-radius: 7px; cursor: pointer; color: var(--faint); background: transparent; }
.gb-copy:hover { color: var(--ink); background: rgba(255, 255, 255, 0.06); }
.gb-copy svg { width: 16px; height: 16px; }
.gb-copy.done { color: var(--add); }
.news { padding-block: clamp(48px, 7vw, 90px); border-top: 1px solid var(--rule); }
.news .inner { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 24px clamp(32px, 6vw, 96px); align-items: center; }
.news h2 { font-size: clamp(1.6rem, 2.6vw, 2.2rem); }
.news p.lede { margin-top: 10px; color: var(--dim); max-width: 32em; }
.mail { display: grid; gap: 10px; }
.mrow { display: flex; gap: 8px; }
.mrow input { flex: 1; min-width: 0; border: 0; outline: 0; border-radius: 8px; padding: 12px 14px; font: 15px var(--body); color: var(--ink); background: var(--panel); box-shadow: inset 0 0 0 1px var(--rule-2); }
.mrow input::placeholder { color: var(--faint); }
.mrow input:focus { box-shadow: inset 0 0 0 1px var(--steel); }
.mail small { font-size: 13px; color: var(--faint); }
.mail.err input { box-shadow: inset 0 0 0 1px var(--del); }
.mail.err small { color: var(--del); }
.mail.ok small { color: var(--add); }
.mail small a { color: var(--dim); }
.ts:empty { display: none; }
.ts iframe { max-width: 100%; }
.button[aria-disabled="true"] { cursor: default; background: var(--panel-3); color: var(--faint); }
.nw { white-space: nowrap; }
.tree li.d0 { padding-left: 8px; }
.tree li.d1 { padding-left: 16px; }
.tree li.d2 { padding-left: 30px; }
.tree li.d3 { padding-left: 52px; }
.ladder .w.sep { stroke: #3a3f48; }

/* privacy and 404: the same Void world, read as a document */
.page-nav { padding-block: 18px; }
.page-nav .inner { display: flex; align-items: center; gap: 28px; }
.page-nav .links { display: flex; gap: 26px; margin-left: auto; font-size: 14.5px; color: var(--dim); }
.page-nav .links a { text-decoration: none; }
.page-nav .links a:hover { color: var(--ink); }
.prose { max-width: 70ch; margin-inline: auto; padding-block: clamp(32px, 6vw, 72px) clamp(56px, 8vw, 110px); color: var(--dim); }
.prose h1 { color: var(--ink); margin-bottom: 18px; }
.prose h2 { color: var(--ink); font-size: clamp(1.35rem, 2vw, 1.6rem); margin: 44px 0 12px; scroll-margin-top: 24px; }
.prose p { margin: 0 0 14px; }
.prose ul { margin: 0 0 14px; padding-left: 1.2em; display: grid; gap: 8px; }
.prose strong { color: var(--ink); font-weight: 600; }
.prose code { font: 0.92em var(--mono); color: var(--ink); }
.prose a { color: var(--ink); }
.prose .lead { font-size: 1.1rem; }
.notfound { min-height: 60vh; display: grid; align-content: center; justify-items: start; gap: 18px; padding-block: 48px 96px; }
.notfound .code { font: 500 13px var(--mono); letter-spacing: 0.08em; color: var(--amber); }
footer { padding-block: 26px 30px; border-top: 1px solid var(--rule); font-size: 12.5px; color: var(--faint); text-align: center; }
footer .inner { display: grid; justify-items: center; gap: 6px; }
footer .foot { display: flex; flex-wrap: wrap; justify-content: center; gap: 4px 22px; }
footer a { color: var(--dim); }
footer a:hover { color: var(--ink); }

@media (max-width: 1240px) {
  .show { grid-template-columns: minmax(0, 1fr); }
  .stepcopy { padding-top: 0; margin-bottom: 22px; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: end; gap: 12px 40px; }
}
@media (max-width: 1100px) {
  .panes { grid-template-columns: minmax(0, 1fr) 340px; }
  .win.chat-min .panes { grid-template-columns: minmax(0, 1fr) 0px; }
  .tree { display: none; }
  .ladfoot { display: block; }
}
@media (max-width: 820px) {
  .hero { grid-template-columns: minmax(0, 1fr); }
  .orbit-slot { order: -1; max-width: 280px; margin-bottom: 30px; }
  .orbit-hint { display: none; }
  .nav .links { display: none; }
  .nav .button { margin-left: auto; }
  .ttab { padding: 10px 16px 13px; font-size: 15px; }
  .ttab .prog { left: 16px; right: 16px; }
  .win { height: 600px; }
  .panes { grid-template-columns: minmax(0, 1fr); }
  .win[data-focus="ask"] .center { display: none; }
  .win:not([data-focus="ask"]) .chat { display: none; }
  .chat { border-left: 0; }
  .agents .grid { grid-template-columns: 1fr; }
  .news .inner { grid-template-columns: minmax(0, 1fr); }
  .getbar { width: 100%; padding: 6px 6px 6px 12px; }
  #installCmd { flex: 1; font-size: 13px; }
  .stepcopy { grid-template-columns: minmax(0, 1fr); }
  .facts { grid-template-columns: 1fr; }
  .status > span:first-child, .status .fp { display: none; }
  .side { grid-template-columns: minmax(0, 1fr); }
  .side .colh { display: none; }
  .ebody { padding-bottom: 150px; }
  .ebar { padding: 0 10px; }
  .ebar .sub, .ebar.editing .path { display: none; }
  .tagtab { margin-left: 8px; }
  .hintbar { left: 8px; right: 8px; transform: none; flex-wrap: wrap; justify-content: center; white-space: normal; row-gap: 6px; }
  .hintbar .sep { display: none; }
  .toast { white-space: normal; width: calc(100% - 24px); text-align: center; }
}
@media (max-width: 360px) {
  .mrow { flex-wrap: wrap; }
  .mrow .button { flex: 1; justify-content: center; }
  .titlebar { gap: 8px; }
  .titlebar .tb-dl { display: none; }
  .titlebar .tb-ctl { gap: 12px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .ptr, .toast, .rung, .button, .ttab, .orbit-hint, .panes, .chat { transition: none; }
  .step.run svg, .sc { animation: none; }
}