/* Conversational AI Museum — web edition. Palette from the kit's CONTENT_AND_COMPONENT_TOKENS. */
:root {
  --ink:#20231F; --paper:#F6F1E6; --card:#FFFCF5; --amber:#E5A83A; --amberDeep:#A96E20; --amberText:#7A4D10;
  --terminalBg:#09170E; --terminalGreen:#A7E5AB; --bluePrint:#607C8F; --blueText:#3F5A6C; --divider:#DED5C4; --muted:#5A5E57;
  --danger:#8F2D1F; --ok:#2F6B3A;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif; --mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,"Courier New",monospace;
  --sat:env(safe-area-inset-top,0px); --sab:env(safe-area-inset-bottom,0px); --sal:env(safe-area-inset-left,0px); --sar:env(safe-area-inset-right,0px);
  --navh:64px; --radius:16px;
}
body.hc { --paper:#FFFFFF; --card:#FFFFFF; --ink:#000; --muted:#222; --divider:#000; --amberText:#5A3500; --blueText:#002B4D; --terminalBg:#000; --terminalGreen:#9BFF9B; }
*,*::before,*::after { box-sizing:border-box; }
html { -webkit-text-size-adjust:100%; }
body { margin:0; background:var(--paper); color:var(--ink); font:16px/1.55 var(--sans); overflow-x:hidden; }
a { color:var(--blueText); overflow-wrap:anywhere; }
button, input, select, textarea { font:inherit; color:inherit; }
:focus-visible { outline:3px solid var(--amberDeep); outline-offset:2px; }
.sr { position:absolute; width:1px; height:1px; overflow:hidden; clip:rect(0 0 0 0); }
.skip { position:absolute; left:-999px; top:0; background:var(--ink); color:#fff; padding:.5rem 1rem; z-index:100; }
.skip:focus { left:0; }

/* top bar */
.top { position:sticky; top:0; z-index:20; background:color-mix(in srgb, var(--paper) 92%, transparent); backdrop-filter:blur(10px);
  border-bottom:1px solid var(--divider); padding:calc(.4rem + var(--sat)) calc(1rem + var(--sar)) .4rem calc(1rem + var(--sal)); }
.top-in { max-width:1100px; margin:0 auto; display:flex; align-items:center; justify-content:space-between; gap:1rem; min-height:48px; }
.brand { display:flex; align-items:center; gap:.6rem; text-decoration:none; color:var(--ink); min-width:0; }
.mark { width:34px; height:34px; flex:none; border-radius:8px; background:var(--terminalBg); color:var(--terminalGreen); display:grid; place-items:center; font:700 18px var(--mono); border:2px solid var(--amber); }
.brand b { display:block; font-size:.82rem; letter-spacing:.08em; line-height:1.2; }
.brand small { display:block; font-size:.72rem; color:var(--muted); }
.offline { font-size:.72rem; color:var(--ok); border:1px solid currentColor; border-radius:999px; padding:.1rem .5rem; white-space:nowrap; }
.topnav { display:none; gap:.25rem; }
.topnav a, .bottomnav a { text-decoration:none; color:var(--muted); font-weight:600; }
.topnav a { padding:.5rem .8rem; border-radius:10px; }
.topnav a[aria-current="page"] { color:var(--ink); background:var(--card); box-shadow:inset 0 0 0 1px var(--divider); }

/* bottom nav (mobile) */
.bottomnav { position:fixed; z-index:20; left:0; right:0; bottom:0; display:grid; grid-template-columns:repeat(3,1fr);
  background:var(--card); border-top:1px solid var(--divider); padding:0 var(--sar) var(--sab) var(--sal); }
.bottomnav a { display:flex; flex-direction:column; align-items:center; justify-content:center; gap:2px; min-height:var(--navh); font-size:.75rem; }
.bottomnav a svg { width:24px; height:24px; stroke:currentColor; fill:none; stroke-width:1.8; stroke-linecap:round; stroke-linejoin:round; }
.bottomnav a[aria-current="page"] { color:var(--ink); }
.bottomnav a[aria-current="page"] svg { stroke:var(--amberDeep); }
body.chatmode .bottomnav, body.chatmode .top { display:none; }

main { max-width:1100px; margin:0 auto; padding:1rem calc(1rem + var(--sar)) calc(var(--navh) + 2rem + var(--sab)) calc(1rem + var(--sal)); }
body.chatmode main { padding:0; max-width:none; }
h1 { font-size:clamp(2rem, 8vw, 3.6rem); line-height:1.05; letter-spacing:-.03em; margin:.4rem 0 .6rem; }
h2 { font-size:1.45rem; letter-spacing:-.01em; margin:1.6rem 0 .5rem; line-height:1.25; }
h3 { font-size:1.05rem; margin:1.2rem 0 .4rem; }
p { margin:.5rem 0; }
.eyebrow { font-size:.75rem; letter-spacing:.14em; text-transform:uppercase; font-weight:700; color:var(--amberText); }
.lead { font-size:1.08rem; color:var(--muted); max-width:38rem; }
.muted { color:var(--muted); }
.small { font-size:.85rem; }

/* buttons, chips, labels */
.btn { display:inline-flex; align-items:center; justify-content:center; gap:.4rem; min-height:48px; padding:.6rem 1.1rem; border-radius:12px;
  background:var(--ink); color:var(--paper); border:none; font-weight:700; text-decoration:none; cursor:pointer; }
.btn.amber { background:var(--amber); color:#1d1606; }
.btn.ghost { background:transparent; color:var(--ink); box-shadow:inset 0 0 0 1.5px var(--ink); }
.btn:disabled { opacity:.45; cursor:not-allowed; }
.btnrow { display:flex; flex-wrap:wrap; gap:.6rem; margin:1rem 0; }
.chip { display:inline-flex; align-items:center; gap:.3rem; font-size:.7rem; font-weight:700; letter-spacing:.06em; padding:.2rem .55rem;
  border-radius:999px; border:1px solid var(--divider); background:var(--card); color:var(--ink); white-space:nowrap; }
.chip.play { background:var(--terminalBg); color:var(--terminalGreen); border-color:var(--terminalBg); }
.auth { display:inline-flex; align-items:center; gap:.35rem; font:700 .68rem/1.2 var(--mono); letter-spacing:.04em; padding:.25rem .5rem;
  border-radius:6px; border:1.5px solid currentColor; background:var(--card); }
.auth::before { font-family:var(--sans); }
.auth.orig { color:var(--ok); } .auth.orig::before { content:"◆"; }
.auth.reimpl { color:var(--blueText); } .auth.reimpl::before { content:"◇"; }
.auth.new { color:var(--amberText); } .auth.new::before { content:"✎"; }
.auth.research { color:var(--muted); } .auth.research::before { content:"▤"; }
.auth.archival { color:#6a3d7a; } .auth.archival::before { content:"❝"; }
.auth.live { color:var(--terminalBg); background:var(--terminalGreen); border-color:var(--terminalBg); } .auth.live::before { content:"●"; }
.strip { display:flex; flex-wrap:wrap; gap:.4rem; align-items:center; margin:.6rem 0; }

/* cards */
.card { background:var(--card); border:1px solid var(--divider); border-radius:var(--radius); padding:1rem; }
.grid { display:grid; gap:.8rem; }
.notice { border-left:4px solid var(--amber); background:var(--card); padding:.7rem .9rem; border-radius:10px; margin:.8rem 0; font-size:.92rem; }
.notice.warn { border-left-color:var(--danger); }

/* home */
.hero { display:grid; gap:1.4rem; padding:1rem 0 .5rem; }
.hero-art { position:relative; min-height:230px; }
.crt { background:var(--terminalBg); color:var(--terminalGreen); font:13px/1.7 var(--mono); padding:1rem; border-radius:14px; border:8px solid #CFC4A6;
  width:78%; transform:rotate(-2deg); box-shadow:0 14px 30px rgba(0,0,0,.18); }
.crt .lbl { font-size:10px; opacity:.7; display:block; border-bottom:1px solid #2c5a36; margin-bottom:.4rem; }
.bubbleart { position:absolute; right:0; bottom:0; width:62%; background:var(--card); border:1px solid var(--divider); border-radius:18px; padding:.8rem; box-shadow:0 10px 24px rgba(0,0,0,.12); font-size:.85rem; }
.bubbleart .b { background:#e9e2d2; border-radius:14px; padding:.4rem .6rem; margin:.3rem 0; width:80%; height:12px; }
.bubbleart .b.me { margin-left:auto; background:var(--amber); width:60%; }
.stats { display:grid; grid-template-columns:repeat(3,1fr); gap:.6rem; margin:1rem 0; }
.stat { text-align:center; padding:.7rem .3rem; }
.stat strong { display:block; font-size:1.5rem; }
.stat small { color:var(--muted); font-size:.75rem; }
.tour { display:block; text-decoration:none; color:inherit; }
.tour .path { font-size:.85rem; color:var(--muted); }

/* timeline */
.tools { position:sticky; top:calc(57px + var(--sat)); z-index:5; background:var(--paper); padding:.6rem 0; margin:0 -.2rem; }
.search { width:100%; min-height:48px; font-size:16px; padding:.6rem .9rem; border-radius:12px; border:1.5px solid var(--divider); background:var(--card); }
.search:focus { border-color:var(--amberDeep); outline:none; }
.filters { display:flex; gap:.4rem; overflow-x:auto; padding:.55rem .1rem .2rem; scrollbar-width:none; }
.filters::-webkit-scrollbar { display:none; }
.fbtn { flex:none; min-height:40px; padding:.35rem .8rem; border-radius:999px; border:1.5px solid var(--divider); background:var(--card); font-size:.85rem; font-weight:600; cursor:pointer; }
.fbtn[aria-pressed="true"] { background:var(--ink); color:var(--paper); border-color:var(--ink); }
.era { margin:1.6rem 0 .6rem; }
.era h2 { margin:.1rem 0; }
.tl { position:relative; list-style:none; margin:0; padding:0 0 0 1.4rem; }
.tl::before { content:""; position:absolute; left:.45rem; top:.3rem; bottom:.3rem; width:2px; background:var(--divider); }
.tl li { position:relative; margin:0 0 .7rem; }
.tl li::before { content:""; position:absolute; left:-1.2rem; top:1.15rem; width:12px; height:12px; border-radius:50%; background:var(--paper); border:2.5px solid var(--bluePrint); }
.tl li.playable::before { background:var(--terminalGreen); border-color:var(--terminalBg); }
.mcard { display:block; text-decoration:none; color:inherit; background:var(--card); border:1px solid var(--divider); border-radius:14px; padding:.75rem .9rem; }
.mcard:hover { border-color:var(--amberDeep); }
.mcard .yr { font:700 .85rem var(--mono); color:var(--amberText); }
.mcard h3 { margin:.1rem 0 .2rem; font-size:1.08rem; }
.mcard p { margin:0; font-size:.9rem; color:var(--muted); display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; }
.mcard .meta { display:flex; flex-wrap:wrap; gap:.3rem; margin-top:.45rem; }
.empty { padding:2rem 0; text-align:center; color:var(--muted); }

/* exhibit */
.back { display:inline-flex; align-items:center; gap:.3rem; min-height:44px; text-decoration:none; color:var(--ink); font-weight:600; }
.ex-head .yr { font:700 1rem var(--mono); color:var(--amberText); }
.section { border-top:1px solid var(--divider); padding-top:.2rem; margin-top:1.2rem; }
.section h2 { font-size:1.1rem; text-transform:none; }
ol.steps { padding-left:1.3rem; } ol.steps li { margin:.3rem 0; }
.compare-tbl { display:grid; gap:.5rem; }
.compare-tbl div { background:var(--card); border:1px solid var(--divider); border-radius:12px; padding:.6rem .8rem; }
.compare-tbl b { display:block; font-size:.78rem; letter-spacing:.06em; text-transform:uppercase; color:var(--amberText); }
.sources { list-style:none; padding:0; margin:.4rem 0; display:grid; gap:.5rem; }
.sources li { background:var(--card); border:1px solid var(--divider); border-radius:12px; padding:.6rem .8rem; font-size:.9rem; }
.sources .tier { font-size:.72rem; color:var(--muted); display:block; margin-top:.15rem; }
.ext::after { content:" ↗"; font-size:.8em; }
.cta-disabled { border:1.5px dashed var(--divider); border-radius:12px; padding:.75rem .9rem; color:var(--muted); font-size:.92rem; }
details.disclose { background:var(--card); border:1px solid var(--divider); border-radius:12px; margin:.5rem 0; }
details.disclose > summary { cursor:pointer; padding:.7rem .9rem; font-weight:600; min-height:44px; list-style-position:inside; }
details.disclose > div { padding:0 .9rem .8rem; }
pre.code { font:12.5px/1.45 var(--mono); background:var(--terminalBg); color:var(--terminalGreen); padding:.7rem .8rem; border-radius:10px; white-space:pre-wrap; overflow-wrap:anywhere; margin:.4rem 0; }
.testout { font:13px/1.5 var(--mono); }
.testout .ok { color:var(--ok); } .testout .bad { color:var(--danger); }

/* lab */
.promptcard textarea { width:100%; min-height:84px; font-size:16px; padding:.7rem .8rem; border-radius:12px; border:1.5px solid var(--divider); background:#fff; resize:vertical; font-family:var(--mono); }
.quick { display:flex; flex-wrap:wrap; gap:.4rem; margin:.5rem 0; }
.engines { display:grid; gap:.4rem; margin:.6rem 0; }
.eng { display:flex; align-items:flex-start; gap:.6rem; padding:.6rem .7rem; border:1px solid var(--divider); border-radius:12px; background:var(--card); min-height:48px; }
.eng input { width:22px; height:22px; margin-top:.15rem; accent-color:var(--ink); flex:none; }
.eng.off { opacity:.75; }
.eng small { display:block; color:var(--muted); font-size:.8rem; }
.runcard { background:var(--card); border:1px solid var(--divider); border-radius:var(--radius); padding:.9rem; margin:.7rem 0; }
.runcard h3 { margin:0 0 .3rem; font-size:1rem; }
.taskbadge { font:700 .7rem var(--mono); letter-spacing:.06em; padding:.2rem .5rem; border-radius:6px; background:var(--ink); color:var(--paper); }
.taskbadge.unavail { background:#E6DFD0; color:var(--ink); }
.output { font:15px/1.5 var(--mono); background:var(--terminalBg); color:var(--terminalGreen); border-radius:12px; padding:.75rem .9rem; margin:.5rem 0; overflow-wrap:anywhere; }
.narration { border-left:3px solid var(--bluePrint); padding:.2rem 0 .2rem .7rem; color:var(--muted); font-size:.9rem; margin:.5rem 0; }
.narration::before { content:"Curator's note — not program output. "; font-weight:700; color:var(--blueText); }
.progress { font-size:.9rem; color:var(--muted); min-height:1.4em; }
table.kv { width:100%; border-collapse:collapse; font-size:.82rem; }
table.kv th, table.kv td { text-align:left; vertical-align:top; padding:.3rem .4rem; border-bottom:1px solid var(--divider); overflow-wrap:anywhere; }
table.kv th { width:38%; color:var(--muted); font-weight:600; }
table.kv td { font-family:var(--mono); }

/* archive */
.tabs { display:flex; gap:.4rem; overflow-x:auto; margin:.6rem 0 1rem; scrollbar-width:none; }
.tabs::-webkit-scrollbar { display:none; }
.tabs a { flex:none; text-decoration:none; color:var(--ink); padding:.45rem .85rem; min-height:40px; display:flex; align-items:center; border-radius:999px; border:1.5px solid var(--divider); font-weight:600; font-size:.88rem; background:var(--card); }
.tabs a[aria-current="page"] { background:var(--ink); color:var(--paper); border-color:var(--ink); }
dl.gloss dt { font-weight:700; margin-top:.8rem; } dl.gloss dd { margin:.2rem 0 0; color:var(--muted); }
.toggle { display:flex; align-items:center; justify-content:space-between; gap:1rem; padding:.7rem 0; border-bottom:1px solid var(--divider); min-height:52px; }
.toggle input { width:24px; height:24px; accent-color:var(--ink); }

/* ===== Talk (ELIZA chat) ===== */
.chat { height:100vh; height:100dvh; display:flex; flex-direction:column; background:var(--terminalBg); color:#e6eee9; }
.chat-top { display:flex; align-items:center; gap:.4rem; padding:calc(.4rem + var(--sat)) calc(.5rem + var(--sar)) .4rem calc(.3rem + var(--sal)); background:#0f1f15; border-bottom:1px solid #22382a; flex:none; }
.iconbtn { min-width:44px; min-height:44px; display:inline-grid; place-items:center; background:transparent; border:1px solid transparent; border-radius:12px; color:#e6eee9; cursor:pointer; text-decoration:none; }
.iconbtn:hover { background:#1a2e21; }
.iconbtn[aria-pressed="true"] { border-color:var(--terminalGreen); color:var(--terminalGreen); }
.iconbtn svg { width:22px; height:22px; stroke:currentColor; fill:none; stroke-width:2; stroke-linecap:round; stroke-linejoin:round; }
.chat-who { flex:1; min-width:0; display:flex; align-items:center; gap:.55rem; }
.av { width:36px; height:36px; flex:none; border-radius:50%; display:grid; place-items:center; background:#000; color:var(--terminalGreen); border:1.5px solid var(--terminalGreen); font:700 16px var(--mono); }
.av.sm { width:28px; height:28px; font-size:13px; }
.chat-who b { display:block; font:700 1rem var(--mono); letter-spacing:.1em; color:var(--terminalGreen); }
.chat-who small { display:block; font-size:.75rem; color:#9db5a3; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.chat-strip { flex:none; display:flex; gap:.35rem; align-items:center; overflow-x:auto; padding:.35rem .75rem; background:#0c1b12; border-bottom:1px solid #1b2f22; scrollbar-width:none; }
.chat-strip::-webkit-scrollbar { display:none; }
.chat-strip .auth { background:transparent; font-size:.62rem; }
.chat-strip .auth.orig { color:#8fe0a0; } .chat-strip .auth.reimpl { color:#a9c8dc; } .chat-strip .auth.new { color:#f0c070; }
.chat-strip button { background:none; border:none; color:#cfe; text-decoration:underline; font-size:.72rem; cursor:pointer; white-space:nowrap; min-height:32px; }
.chat-disc { flex:none; background:#2a2412; color:#f3e3b0; font-size:.8rem; border-bottom:1px solid #4a3f1c; }
.chat-disc summary { list-style:none; cursor:pointer; padding:.35rem .9rem; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.chat-disc summary::-webkit-details-marker { display:none; }
.chat-disc summary u { color:#ffd56b; }
.chat-disc div { padding:0 .9rem .55rem; } .chat-disc a { color:#ffd56b; font-weight:600; }
.chat-main { flex:1; min-height:0; display:flex; position:relative; }
.chat-col { flex:1; min-width:0; display:flex; flex-direction:column; }
.msgs { flex:1; overflow-y:auto; overflow-x:hidden; overscroll-behavior:contain; padding:1rem .75rem .5rem; display:flex; flex-direction:column; gap:.55rem; }
body.scan .msgs { background:repeating-linear-gradient(to bottom, transparent 0 3px, rgba(0,0,0,.18) 3px 4px); }
.row { display:flex; gap:.5rem; align-items:flex-end; animation:pop .18s ease-out; }
.row.user { justify-content:flex-end; }
.bub { max-width:min(82%, 34rem); padding:.6rem .85rem; border-radius:18px; overflow-wrap:anywhere; white-space:pre-wrap; }
.row.eliza .bub { background:#132a1b; border:1px solid #23412d; border-bottom-left-radius:6px; font:15px/1.5 var(--mono); color:var(--terminalGreen); }
.row.user .bub { background:var(--amber); color:#1d1606; border-bottom-right-radius:6px; }
.sys { align-self:center; text-align:center; font-size:.75rem; color:#a9bcae; background:rgba(255,255,255,.06); border-radius:12px; padding:.3rem .75rem; max-width:92%; }
.sys.hist { background:#3a1717; color:#ffd2d2; }
.typing .bub { display:inline-flex; gap:5px; padding:.8rem .9rem; }
.dot { width:7px; height:7px; border-radius:50%; background:var(--terminalGreen); opacity:.4; animation:blink 1.2s infinite; }
.dot:nth-child(2){animation-delay:.2s} .dot:nth-child(3){animation-delay:.4s}
@keyframes blink { 0%,80%,100%{opacity:.25;transform:none} 40%{opacity:1;transform:translateY(-3px)} }
@keyframes pop { from{opacity:0;transform:translateY(6px)} to{opacity:1;transform:none} }
.composer { flex:none; display:flex; gap:.5rem; align-items:center; padding:.55rem calc(.65rem + var(--sar)) calc(.55rem + var(--sab)) calc(.65rem + var(--sal)); background:#0f1f15; border-top:1px solid #22382a; }
.composer input { flex:1; min-width:0; font-size:16px; padding:.7rem 1rem; border-radius:999px; border:1px solid #2c4a35; background:#132a1b; color:#eef; outline:none; }
.composer input:focus { border-color:var(--terminalGreen); }
.composer input::placeholder { color:#86a08d; }
.send { flex:none; width:46px; height:46px; border-radius:50%; border:none; background:var(--terminalGreen); color:var(--terminalBg); display:grid; place-items:center; cursor:pointer; }
.send:disabled { opacity:.4; cursor:default; }
.send svg { width:22px; height:22px; fill:currentColor; }
.drawer { position:fixed; z-index:30; top:0; right:0; bottom:0; width:min(90vw,420px); background:#0f1f15; color:#dfe; border-left:1px solid #22382a;
  padding:calc(.75rem + var(--sat)) 1rem calc(1rem + var(--sab)); overflow-y:auto; transform:translateX(105%); transition:transform .22s ease; }
.drawer.open { transform:none; }
.drawer h2 { margin:0; font-size:1rem; color:var(--terminalGreen); }
.drawer h3 { font-size:.85rem; color:#9db5a3; }
.drawer pre { font:12px/1.45 var(--mono); white-space:pre-wrap; overflow-wrap:anywhere; margin:0; color:#cfe; }
.drawer .hd { display:flex; justify-content:space-between; align-items:center; }
.scrim { position:fixed; inset:0; z-index:25; background:rgba(0,0,0,.55); }
.sheet { position:fixed; z-index:40; left:0; right:0; bottom:0; background:var(--card); color:var(--ink); border-radius:20px 20px 0 0;
  padding:.5rem 1rem calc(1rem + var(--sab)); max-height:88dvh; overflow-y:auto; box-shadow:0 -10px 40px rgba(0,0,0,.4); animation:up .2s ease-out; }
@keyframes up { from{transform:translateY(100%)} to{transform:none} }
.grab { width:40px; height:5px; border-radius:3px; background:var(--divider); margin:.2rem auto .8rem; }
.scriptopt { display:flex; gap:.6rem; align-items:flex-start; padding:.65rem .7rem; border:1.5px solid var(--divider); border-radius:12px; margin:.4rem 0; cursor:pointer; }
.scriptopt input { width:22px; height:22px; margin-top:.1rem; accent-color:var(--ink); flex:none; }
.scriptopt small { display:block; color:var(--muted); font-size:.8rem; }
.sheet-grid { display:grid; grid-template-columns:1fr 1fr; gap:.5rem; margin-top:.8rem; }
.sheet-grid button { min-height:48px; border-radius:12px; border:1.5px solid var(--divider); background:var(--paper); cursor:pointer; font-weight:600; }

/* crisis card (shared) */
.crisis { align-self:stretch; margin:.4rem 0; font:15px/1.5 var(--sans); color:#1d1d1d; background:#fff8e6; border:2px solid #e08a00; border-radius:16px; padding:.9rem 1rem; box-shadow:0 6px 24px rgba(0,0,0,.3); }
.crisis h3 { margin:0 0 .35rem; font-size:1.05rem; color:#7a3d00; }
.crisis ul { list-style:none; margin:.5rem 0; padding:0; display:grid; gap:.45rem; }
.crisis li a { display:block; text-decoration:none; background:#fff; border:1px solid #f0c47a; border-radius:12px; padding:.55rem .75rem; color:#1d1d1d; }
.crisis li a b { color:#0b57d0; display:block; }
.crisis li a span { font-size:.85rem; color:#444; }
.crisis .small { color:#555; }

/* desktop */
@media (min-width:900px) {
  .topnav { display:flex; }
  .bottomnav { display:none; }
  main { padding-bottom:3rem; }
  .hero { grid-template-columns:1.15fr .85fr; align-items:center; padding:2.5rem 0 1rem; }
  .tools { top:calc(65px + var(--sat)); }
  .grid.two { grid-template-columns:1fr 1fr; }
  .grid.three { grid-template-columns:repeat(3,1fr); }
  .tl { padding-left:2rem; } .tl::before { left:.7rem; } .tl li::before { left:-1.6rem; }
  .ex-wrap { display:grid; grid-template-columns:minmax(0,1fr) 320px; gap:2rem; align-items:start; }
  .ex-side { position:sticky; top:90px; }
  .chat { max-width:1100px; margin:0 auto; border-left:1px solid #22382a; border-right:1px solid #22382a; }
  .drawer { position:static; transform:none; display:none; width:380px; flex:none; }
  .drawer.open { display:block; }
  .sheet { left:auto; right:max(1rem, calc((100vw - 1100px)/2 + 1rem)); top:64px; bottom:auto; width:400px; border-radius:16px; animation:none; }
  .grab { display:none; }
  .crisis { align-self:center; max-width:640px; }
}
@media (prefers-reduced-motion: reduce) { *,*::before,*::after { animation:none !important; transition:none !important; } }
.testout { white-space:pre-wrap; }
[tabindex="-1"]:focus { outline:none; }
.auth { white-space:nowrap; }
.chat-strip .auth.live { background:var(--terminalGreen); color:var(--terminalBg); }
.tools { position:static; }
@media (min-width:900px) { .tools { position:sticky; } }
.top { background:var(--paper); }
@supports (background:color-mix(in srgb, red 50%, transparent)) { .top { background:color-mix(in srgb, var(--paper) 92%, transparent); } }
/* v2: MegaHAL seed row + audit table */
.seedrow{display:flex;align-items:center;gap:.5rem;flex-wrap:wrap;margin:.6rem 0}
.seedrow input{width:9rem;font:inherit;padding:.35rem .5rem;border:1px solid currentColor;border-radius:8px;background:transparent;color:inherit}
.tblwrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
table.audit{border-collapse:collapse;font-size:.82rem;min-width:720px}
table.audit th,table.audit td{border-bottom:1px solid rgba(0,0,0,.15);padding:.4rem .5rem;text-align:left;vertical-align:top}
.scriptopt+h3,.sheet h3{margin:.9rem 0 .3rem;font-size:.95rem}
.chat-who > div:not(.av){min-width:0;flex:1;overflow:hidden}

/* CHAT-80: example-question chips above the composer, verbatim program output */
.chips { flex:none; display:flex; gap:.45rem; overflow-x:auto; overscroll-behavior-x:contain; scrollbar-width:none; padding:.45rem calc(.65rem + var(--sar)) .45rem calc(.65rem + var(--sal)); background:#0f1f15; border-top:1px solid #22382a; }
.chips::-webkit-scrollbar { display:none; }
.chips[hidden] { display:none; }
.chipq { flex:none; max-width:78vw; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; min-height:36px; padding:.35rem .8rem; border-radius:999px; border:1px solid #2c4a35; background:#132a1b; color:var(--terminalGreen); font:13px/1.2 var(--mono); cursor:pointer; }
.chipq:active { background:#1d3a26; }
.chipq:focus-visible { outline:2px solid var(--amber); outline-offset:2px; }
.output.pre { white-space:pre-wrap; }
pre.licence { font-size:11.5px; max-height:22rem; overflow:auto; }
.testout { overflow-wrap:anywhere; }

/* ===== v4 (UX audit, 12 Nov 2026) ===== */
/* a11y: visible focus on fields that previously removed it */
.search:focus { outline:none; }
.search:focus-visible, .composer input:focus-visible, textarea:focus-visible { outline:3px solid var(--amberDeep); outline-offset:2px; }
.composer input:focus-visible { outline-color:var(--amber); }
.chat-strip .auth { font-size:.72rem; }
.chat-strip button[aria-pressed="true"] { color:var(--terminalGreen); }
/* brand stacks on purpose on small screens */
.brandtext b span { white-space:nowrap; }
@media (max-width:480px) {
  .brand b { font-size:.74rem; letter-spacing:.06em; }
  .brandtext b span { display:block; }
  .brand small { display:none; }
  .offline { font-size:.68rem; padding:.1rem .4rem; }
}
/* crumbs */
.crumbs ol { list-style:none; display:flex; flex-wrap:wrap; gap:.15rem .35rem; padding:0; margin:.2rem 0 .4rem; font-size:.82rem; color:var(--muted); }
.crumbs li + li::before { content:"›"; margin-right:.35rem; color:var(--muted); }
.crumbs a { color:var(--blueText); }
.crumbs [aria-current] { color:var(--ink); font-weight:600; }
.chat-crumbs { flex:none; background:#0f1f15; padding:0 .9rem .3rem calc(.9rem + var(--sal)); }
.chat-crumbs .crumbs ol { margin:0; font-size:.75rem; color:#9db5a3; }
.chat-crumbs .crumbs a { color:#cfe; } .chat-crumbs .crumbs [aria-current] { color:#e6eee9; }
.chat-crumbs .crumbs li + li::before { color:#6f8a76; }
/* timeline */
.countrow { margin:.3rem 0; }
.tagline { font-size:1.15rem; font-weight:600; color:var(--amberText); margin:.1rem 0 .6rem; }
.alt-script { display:flex; flex-wrap:wrap; gap:.25rem .35rem; align-items:center; }
.hero-art { margin:0; min-height:0; }
.hero-art img { display:block; width:100%; height:auto; max-width:480px; border-radius:22px; }
.hero-art figcaption { font-size:.72rem; color:var(--muted); margin-top:.3rem; letter-spacing:.06em; text-transform:uppercase; }
/* tours */
.tourstops { list-style:none; padding:0; margin:1rem 0; display:grid; gap:.6rem; }
.tourbar { display:flex; flex-wrap:wrap; justify-content:space-between; align-items:center; gap:.5rem .8rem; background:var(--card); border:1.5px solid var(--amber); border-radius:14px; padding:.6rem .8rem; margin:.4rem 0 .8rem; }
.tourbar b { display:block; }
.tournav { display:flex; flex-wrap:wrap; gap:.4rem; }
.btn.sm { min-height:40px; padding:.35rem .8rem; font-size:.88rem; }
/* exhibits: object label column */
.ex-wrap { display:grid; gap:1rem; }
.ex-main { min-width:0; }
.objlabel { display:grid; gap:.35rem; }
.objlabel .btn { width:100%; justify-content:center; text-align:center; }
.objlabel .yr { font-size:.8rem; color:var(--amberText); font-weight:700; }
.walllabel .lead { margin-top:.2rem; }
.notice.thin { border-left-color:var(--bluePrint); }
details.story { margin:.6rem 0 1rem; }
@media (min-width:900px) {
  .ex-wrap { grid-template-columns:minmax(0,1fr) 300px; gap:2rem; align-items:start; }
  .ex-side { grid-column:2; grid-row:1; position:sticky; top:90px; }
  .ex-main { grid-column:1; grid-row:1; }
}
/* archive */
.tabwrap { position:relative; }
.tabwrap::before, .tabwrap::after { content:""; position:absolute; top:0; bottom:0; width:36px; pointer-events:none; opacity:0; transition:opacity .15s; z-index:1; }
.tabwrap::before { left:0; background:linear-gradient(to left, transparent, var(--paper)); }
.tabwrap::after { right:0; background:linear-gradient(to right, transparent, var(--paper) 70%); content:"›"; display:flex; align-items:center; justify-content:flex-end; font-size:1.4rem; font-weight:700; color:var(--muted); padding-right:2px; }
.tabwrap.more-right::after, .tabwrap.more-left::before { opacity:1; }
.archsearch .search { margin:.4rem 0 .2rem; }
.struggling { background:var(--card); border:1.5px solid var(--divider); border-radius:16px; padding:.9rem 1rem; margin:.8rem 0; }
.struggling h3 { margin:0 0 .3rem; }
.struggling ul { list-style:none; padding:0; margin:.5rem 0; display:grid; gap:.4rem; }
.struggling li a { display:block; text-decoration:none; color:var(--ink); border:1px solid var(--divider); border-radius:12px; padding:.5rem .75rem; background:var(--paper); }
.struggling li a b { display:block; color:var(--blueText); }
.struggling li a span { font-size:.85rem; color:var(--muted); }
.sources.credits li { padding:.5rem 0; }
.sources.credits .small { font-size:.82rem; line-height:1.45; margin:.1rem 0; }
.sources.credits .strip { margin:.1rem 0 .2rem; }
/* compare */
.preset { text-align:left; white-space:normal; max-width:100%; }
.presettag { display:block; font-size:.68rem; letter-spacing:.06em; text-transform:uppercase; color:var(--amberText); font-weight:700; }
.engpick summary { font-weight:600; }
.sharelink { display:inline-block; margin-top:.6rem; }
.results-h { scroll-margin-top:72px; }
.how { font-size:.95rem; line-height:1.55; margin:.3rem 0 .5rem; }
details.raw { margin:.3rem 0; }
details.raw summary { font-size:.82rem; color:var(--muted); }
details.raw pre.code { font-size:12px; line-height:1.5; max-height:16rem; overflow:auto; }
@media (min-width:900px) {
  .promptcard { position:sticky; top:72px; z-index:4; max-height:calc(100vh - 90px); overflow:auto; }
}
/* Talk: 1966 terminal mode for DOCTOR (original styling; not a copy of a real CTSS screen) */
.chat.period .row.eliza .bub, .chat.period .row.user .bub { font:15px/1.55 var(--mono); text-transform:uppercase; border-radius:4px; background:transparent; border:none; padding:.15rem .2rem; max-width:100%; }
.chat.period .row.user .bub { color:#f0d9a8; }
.chat.period .row.user .bub::before { content:"> "; }
.chat.period .row.user { justify-content:flex-start; }
.chat.period .row .av { display:none; }
.chat.period .row { animation:none; }
.chat.period .crisis, .chat.period .crisis * { text-transform:none; }
.skipbtn { margin-left:.4rem; font-size:.75rem; background:none; border:1px solid #2c4a35; color:#cfe; border-radius:8px; padding:.15rem .5rem; cursor:pointer; }
/* Embed teaser (#/embed/eliza) */
body.embedmode { background:transparent; }
body.embedmode .top, body.embedmode .bottomnav, body.embedmode .skip { display:none; }
body.embedmode main { padding:0; max-width:none; }
.embed-card { box-sizing:border-box; max-width:440px; margin:0 auto; background:var(--terminalBg); color:#e6eee9; border-radius:18px; border:6px solid #CFC4A6; padding:.75rem .85rem .7rem; font-size:.9rem; overflow:hidden; }
.e-head { display:flex; gap:.55rem; align-items:center; }
.e-head b { display:block; color:var(--terminalGreen); font:700 .95rem var(--mono); letter-spacing:.06em; }
.e-head small { display:block; color:#9db5a3; font-size:.72rem; }
.e-strip { display:flex; flex-wrap:wrap; gap:.3rem; margin:.5rem 0 .3rem; }
.e-strip .auth { font-size:.68rem; background:transparent; }
.e-strip .auth.new { color:#f0c070; } .e-strip .auth.orig { color:#8fe0a0; } .e-strip .auth.reimpl { color:#a9c8dc; }
.e-safe { font-size:.68rem; color:#cfe; border:1px solid #2c4a35; border-radius:999px; padding:.05rem .45rem; }
.e-script { font-size:.8rem; color:#cfe; margin:.2rem 0 .5rem; }
.e-msgs { height:9.5rem; overflow-y:auto; font:13px/1.5 var(--mono); color:var(--terminalGreen); background:#06110a; border:1px solid #1b2f22; border-radius:10px; padding:.5rem .6rem; }
.e-line { margin:.15rem 0; overflow-wrap:anywhere; }
.e-line.user { color:#f0d9a8; }
.e-who { opacity:.7; margin-right:.4rem; }
.e-msgs .crisis { font-size:13px; padding:.6rem .7rem; }
.e-prompts { display:flex; flex-wrap:wrap; gap:.35rem; margin:.5rem 0; }
.e-prompts button { font:12px/1.2 var(--mono); background:#132a1b; color:var(--terminalGreen); border:1px solid #2c4a35; border-radius:999px; padding:.4rem .7rem; min-height:34px; cursor:pointer; }
.e-form { display:flex; gap:.4rem; }
.e-form input { flex:1; min-width:0; font:16px var(--mono); padding:.5rem .7rem; border-radius:10px; border:1px solid #2c4a35; background:#132a1b; color:#eef; }
.e-form input:focus-visible, .e-prompts button:focus-visible, .e-link:focus-visible, .e-enter:focus-visible, .e-tap:focus-visible { outline:2px solid var(--amber); outline-offset:2px; }
.e-send { border:none; border-radius:10px; background:var(--terminalGreen); color:var(--terminalBg); font-weight:700; padding:0 .9rem; min-height:44px; cursor:pointer; }
.e-foot { display:flex; flex-wrap:wrap; justify-content:space-between; align-items:center; gap:.4rem; margin-top:.55rem; }
.e-enter { color:var(--terminalBg); background:var(--amber); font-weight:700; text-decoration:none; border-radius:999px; padding:.45rem .9rem; min-height:40px; display:inline-flex; align-items:center; }
.e-link { background:none; border:none; color:#cfe; text-decoration:underline; font-size:.8rem; cursor:pointer; min-height:36px; padding:0; }
.e-note { font-size:.7rem; color:#9db5a3; margin:.4rem 0 0; }
.e-tap { display:grid; gap:.2rem; text-align:center; text-decoration:none; background:#132a1b; border:1px solid #2c4a35; border-radius:12px; padding:1rem; color:#cfe; margin:.4rem 0; }
.e-tapbig { font:700 1.05rem var(--mono); color:var(--terminalGreen); }
.alt-script { display:block; }
.alt-script .auth { display:inline-block; margin-top:.2rem; }
@media (max-width:899px) { .objlabel .ol-id { display:none; } .objlabel { padding:.8rem; } }
.ol-id { display:grid; gap:.35rem; }

.e-label { font:12px/1.4 var(--mono); color:#cfe; margin:.45rem 0 .5rem; }