/* ==== app.css ==== */
@font-face{
  font-family:"Space Grotesk";
  src:url(/fonts/space-grotesk-latin.woff2) format("woff2");
  font-weight:300 700;font-style:normal;font-display:swap;
}

:root{
  --ground:#f7f7f8; --surface:#ffffff; --surface-2:#f1f1f3;
  --ink:#16171b; --muted:#5c606a; --faint:#9195a0;
  --line:rgba(10,12,20,.10); --line-2:rgba(10,12,20,.06);
  --amber:#c67f14; --amber-2:#d99620;
  --user-bg:#eceef1;
  --shadow:0 1px 2px rgba(10,12,20,.05), 0 10px 30px rgba(10,12,20,.06);
  --dock-fade:linear-gradient(to top, var(--ground) 55%, transparent);
  --maxw:720px;
}
@media (prefers-color-scheme:dark){
  :root{
    --ground:#0a0b0e; --surface:#14161b; --surface-2:#1a1d24;
    --ink:#e9eaee; --muted:#9aa0ad; --faint:#5f6674;
    --line:rgba(255,255,255,.09); --line-2:rgba(255,255,255,.05);
    --amber:#d99620; --amber-2:#e8b358;
    --user-bg:#1c2027;
    --shadow:0 1px 2px rgba(0,0,0,.4), 0 14px 40px rgba(0,0,0,.45);
  }
}
:root[data-theme="light"]{
  --ground:#f7f7f8; --surface:#ffffff; --surface-2:#f1f1f3;
  --ink:#16171b; --muted:#5c606a; --faint:#9195a0;
  --line:rgba(10,12,20,.10); --line-2:rgba(10,12,20,.06);
  --amber:#c67f14; --amber-2:#d99620; --user-bg:#eceef1;
  --shadow:0 1px 2px rgba(10,12,20,.05), 0 10px 30px rgba(10,12,20,.06);
}
:root[data-theme="dark"]{
  --ground:#0a0b0e; --surface:#14161b; --surface-2:#1a1d24;
  --ink:#e9eaee; --muted:#9aa0ad; --faint:#5f6674;
  --line:rgba(255,255,255,.09); --line-2:rgba(255,255,255,.05);
  --amber:#d99620; --amber-2:#e8b358; --user-bg:#1c2027;
  --shadow:0 1px 2px rgba(0,0,0,.4), 0 14px 40px rgba(0,0,0,.45);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;background:var(--ground);color:var(--ink);
  font-family:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  display:flex;flex-direction:column;
}
.wm,h1,h2,h3{font-family:"Space Grotesk",ui-sans-serif,system-ui,sans-serif;letter-spacing:-.01em}
:focus-visible{outline:2px solid var(--amber-2);outline-offset:2px;border-radius:6px}
/* brand selection tint + calm, thin scrollbars (a polished, quiet default) */
::selection{background:color-mix(in srgb,var(--amber-2) 26%,transparent)}
*{scrollbar-width:thin;scrollbar-color:color-mix(in srgb,var(--ink) 22%,transparent) transparent}
*::-webkit-scrollbar{width:10px;height:10px}
*::-webkit-scrollbar-thumb{background:color-mix(in srgb,var(--ink) 18%,transparent);border-radius:8px;border:2px solid transparent;background-clip:padding-box}
*::-webkit-scrollbar-thumb:hover{background:color-mix(in srgb,var(--ink) 30%,transparent);background-clip:padding-box}
*::-webkit-scrollbar-track{background:transparent}

/* top bar */
.topbar{
  position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;
  padding:12px clamp(14px,4vw,22px);
  background:color-mix(in srgb,var(--ground) 82%,transparent);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line-2);
}
.brand{display:inline-flex;align-items:center;gap:9px;text-decoration:none;color:inherit}
.brand .mark{width:26px;height:26px;border-radius:6px;display:inline-block;
  background:radial-gradient(circle at 50% 45%, var(--amber-2), transparent 70%);}
.brand .wm{font-size:19px;font-weight:600}
.topbar-left{display:flex;align-items:center;gap:6px;min-width:0}
.topbar-actions{display:flex;gap:4px}
.icon-btn{
  display:inline-grid;place-items:center;width:36px;height:36px;border-radius:9px;
  background:transparent;border:1px solid transparent;color:var(--muted);cursor:pointer;transition:.15s;
}
.icon-btn:hover{background:var(--surface-2);color:var(--ink)}

/* -------------------------------------------------------------------------
   Left rail: your conversation history — E2E, on-device, provable. Not a clone
   of the incumbents' rail: the footer is the sovereign promise made visible.
   ------------------------------------------------------------------------- */
.app{height:100%;display:flex;flex-direction:column;min-width:0;transition:margin-left .2s ease}
.sidebar{position:fixed;left:0;top:0;bottom:0;width:264px;z-index:40;
  background:var(--surface);border-right:1px solid var(--line);display:flex;flex-direction:column;
  transform:translateX(-100%);transition:transform .2s ease}
body.sb-open .sidebar{transform:none}
@media(min-width:761px){ body.sb-open .app{margin-left:264px} }
.sb-scrim{position:fixed;inset:0;background:rgba(0,0,0,.35);z-index:35;display:none}
@media(max-width:760px){ body.sb-open .sb-scrim{display:block} }
.sb-head{padding:12px;border-bottom:1px solid var(--line-2)}
.sb-new{display:flex;align-items:center;gap:8px;width:100%;justify-content:flex-start;
  border:1px solid var(--line);background:var(--surface-2);color:var(--ink);border-radius:11px;
  padding:10px 12px;font:inherit;font-size:.92rem;font-weight:600;cursor:pointer;transition:border-color .15s ease}
.sb-new:hover{border-color:color-mix(in srgb,var(--amber-2) 45%,var(--line))}
.sb-search{display:flex;align-items:center;gap:7px;margin-top:8px;padding:7px 10px;border:1px solid var(--line);
  border-radius:10px;background:var(--surface-2);color:var(--muted)}
.sb-search:focus-within{border-color:color-mix(in srgb,var(--amber-2) 45%,var(--line))}
.sb-q{flex:1;min-width:0;border:0;background:transparent;color:var(--ink);font:inherit;font-size:.86rem;outline:none}
.sb-q::-webkit-search-cancel-button{-webkit-appearance:none}
.sb-scroll{flex:1;overflow-y:auto;padding:4px 0}
.sb-section{padding:6px 0}
.sb-sec-head{display:flex;align-items:center;justify-content:space-between;padding:4px 14px;
  font-size:.7rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--faint)}
.sb-mini{display:grid;place-items:center;width:22px;height:22px;border:0;border-radius:6px;background:transparent;color:var(--muted);cursor:pointer}
.sb-mini:hover{background:var(--surface-2);color:var(--ink)}
.sb-projs{display:flex;flex-direction:column;gap:1px;padding:0 8px}
.sb-proj{display:flex;align-items:center;gap:8px;padding:8px 10px;border-radius:9px;cursor:pointer;color:var(--ink);font-size:.88rem}
.sb-proj:hover{background:var(--surface-2)}
.sb-proj.active{background:color-mix(in srgb,var(--amber-2) 12%,transparent)}
.sb-proj svg{opacity:.7;flex:0 0 auto}
.sb-proj .sb-pname{flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sb-proj .sb-pcount{font-size:.72rem;color:var(--faint)}
.sb-proj .sb-del{flex:0 0 auto}
.sb-proj:hover .sb-pcount{display:none}
.sb-proj:hover .sb-del{display:grid}
.sb-new-proj{display:flex;align-items:center;gap:8px;padding:6px 10px}
.sb-new-proj input{flex:1;min-width:0;border:1px solid color-mix(in srgb,var(--amber-2) 45%,var(--line));border-radius:8px;
  background:var(--surface);color:var(--ink);font:inherit;font-size:.86rem;padding:6px 9px;outline:none}
.sb-list{display:flex;flex-direction:column;gap:2px;padding:0 8px}
.sb-empty{color:var(--faint);font-size:.84rem;text-align:center;padding:20px 8px}
.sb-item{display:flex;align-items:center;gap:8px;padding:9px 10px;border-radius:9px;cursor:pointer;
  color:var(--ink);position:relative}
.sb-item:hover{background:var(--surface-2)}
.sb-item.active{background:color-mix(in srgb,var(--amber-2) 12%,transparent)}
.sb-item .sb-title{flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:.9rem}
.sb-item .sb-when{font-size:.72rem;color:var(--faint);flex:0 0 auto}
.sb-del{flex:0 0 auto;display:none;place-items:center;width:22px;height:22px;border:0;border-radius:6px;
  background:transparent;color:var(--muted);cursor:pointer}
.sb-move,.sb-edit{flex:0 0 auto;display:none;place-items:center;width:22px;height:22px;border:0;border-radius:6px;background:transparent;color:var(--muted);cursor:pointer}
.sb-item:hover .sb-when{display:none}
.sb-item:hover .sb-del,.sb-item:hover .sb-move,.sb-item:hover .sb-edit{display:grid}
.sb-del:hover{background:var(--surface);color:#c0392b}
.sb-move:hover,.sb-edit:hover{background:var(--surface);color:var(--amber)}
.sb-rename{flex:1;min-width:0;border:1px solid color-mix(in srgb,var(--amber-2) 50%,var(--line));border-radius:6px;
  background:var(--surface);color:var(--ink);font:inherit;font-size:.9rem;padding:2px 6px;outline:none}
.move-menu{position:fixed;z-index:50;width:min(220px,80vw);background:var(--surface);border:1px solid var(--line);
  border-radius:12px;box-shadow:var(--shadow);padding:5px;display:flex;flex-direction:column;gap:1px}
.move-menu[hidden]{display:none}
.move-menu button{display:flex;align-items:center;gap:8px;text-align:left;border:0;background:transparent;color:var(--ink);
  border-radius:8px;padding:8px 10px;font:inherit;font-size:.86rem;cursor:pointer}
.move-menu button:hover{background:var(--surface-2)}
.move-menu .mm-head{font-size:.7rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--faint);padding:6px 10px 2px}
.move-menu .mm-check{margin-left:auto;color:var(--amber)}
.sb-foot{padding:12px 14px;border-top:1px solid var(--line-2)}
.sb-lock{display:flex;align-items:center;gap:6px;font-size:.8rem;font-weight:600;color:var(--live,#3fb950)}
.sb-note{font-size:.74rem;line-height:1.5;color:var(--faint);margin:6px 0 0}

/* chat area */
.chat{flex:1;overflow-y:auto;overflow-x:hidden}
.thread{max-width:var(--maxw);margin:0 auto;padding:26px clamp(16px,4vw,20px) 24px;display:flex;flex-direction:column;gap:22px}

/* empty state — the first-run hero */
.empty{margin:auto;padding:9vh 20px 0;text-align:center;display:flex;flex-direction:column;align-items:center;gap:16px;max-width:540px}
.empty .hero-glyph{width:72px;height:72px;display:inline-block;filter:drop-shadow(0 10px 28px color-mix(in srgb,var(--amber-2) 32%,transparent))}
.empty .hero-h{font-size:clamp(2rem,5vw,2.7rem);font-weight:600;letter-spacing:-.025em;margin:0;text-wrap:balance}
.empty .hero-sub{margin:0;color:var(--muted);font-size:1.03rem;line-height:1.55;max-width:40ch;text-wrap:pretty}
.chips{display:flex;flex-wrap:wrap;gap:9px;justify-content:center;margin-top:12px}
.chip{border:1px solid var(--line);background:var(--surface);color:var(--muted);border-radius:999px;
  padding:9px 16px;font:inherit;font-size:.9rem;cursor:pointer;box-shadow:var(--shadow);
  transition:transform .12s ease,border-color .15s ease,color .15s ease}
.chip:hover{transform:translateY(-1px);border-color:color-mix(in srgb,var(--amber-2) 50%,var(--line));color:var(--ink)}
/* first-run: three pillars, shown once. Calm, tappable, opens where you can try each. */
.intro{margin-top:26px;width:100%;display:flex;flex-direction:column;align-items:center;gap:13px;
  animation:intro-in .4s cubic-bezier(.2,.7,.2,1) both}
@keyframes intro-in{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.intro-lead{font-size:.74rem;letter-spacing:.09em;text-transform:uppercase;color:var(--faint)}
.intro-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;width:100%}
.intro-card{display:flex;flex-direction:column;gap:5px;text-align:left;padding:13px 14px;border:1px solid var(--line);
  border-radius:13px;background:var(--surface);box-shadow:var(--shadow);cursor:pointer;font:inherit;
  transition:transform .12s ease,border-color .15s ease}
.intro-card:hover{transform:translateY(-2px);border-color:color-mix(in srgb,var(--amber-2) 45%,var(--line))}
.intro-card b{font-size:.92rem;color:var(--ink);font-weight:600}
.intro-card span{font-size:.8rem;color:var(--muted);line-height:1.4}
.intro-dismiss{border:0;background:none;color:var(--faint);font:inherit;font-size:.82rem;cursor:pointer;padding:4px 10px}
.intro-dismiss:hover{color:var(--muted)}
@media (max-width:560px){.intro-cards{grid-template-columns:1fr}}
@media (prefers-reduced-motion:reduce){.intro{animation:none}}
/* subtle depth: a soft amber glow behind the hero, and a hairline gradient on the surface */
.app{background:radial-gradient(1100px 460px at 50% -8%, color-mix(in srgb,var(--amber-2) 6%,transparent), transparent 62%)}
.sb-item.active .sb-title{font-weight:600}
.sb-proj.active .sb-pname{font-weight:600}

/* messages */
.msg{display:flex;flex-direction:column;max-width:100%}
.msg.user{align-items:flex-end}
.msg.user .body{
  background:var(--user-bg);border-radius:16px 16px 4px 16px;padding:11px 15px;max-width:85%;
  white-space:pre-wrap;overflow-wrap:anywhere;
}
.msg.assistant .body{max-width:100%}
.msg.assistant .who{display:inline-flex;align-items:center;gap:8px;margin-bottom:7px;color:var(--faint);font-size:12.5px}
.msg.assistant .who .dot{width:14px;height:14px;border-radius:4px;
  background:radial-gradient(circle at 50% 45%, var(--amber-2), transparent 72%)}
.md{overflow-wrap:anywhere}
.md>*:first-child{margin-top:0}
.md>*:last-child{margin-bottom:0}
.md p{margin:0 0 12px}
.md h1,.md h2,.md h3{margin:18px 0 8px;line-height:1.25}
.md h1{font-size:1.4rem}.md h2{font-size:1.2rem}.md h3{font-size:1.06rem}
.md ul,.md ol{margin:0 0 12px;padding-left:1.35em}
.md li{margin:3px 0}
.md a{color:var(--amber-2);text-underline-offset:2px}
.md strong{font-weight:650}
.md code{font-family:ui-monospace,"SF Mono","JetBrains Mono",Menlo,Consolas,monospace;font-size:.9em;
  background:var(--surface-2);border:1px solid var(--line-2);border-radius:5px;padding:.1em .38em}
.md pre{background:var(--surface-2);border:1px solid var(--line);border-radius:12px;overflow:hidden;margin:0 0 14px}
/* code block header: language label (left) + copy (right) — like the majors */
.md pre .code-head{display:flex;align-items:center;justify-content:space-between;gap:8px;
  padding:6px 10px 6px 13px;border-bottom:1px solid var(--line);
  background:color-mix(in srgb,var(--ink) 3.5%,var(--surface-2))}
.md pre .code-lang{font-family:ui-monospace,"SF Mono","JetBrains Mono",Menlo,Consolas,monospace;
  font-size:11px;letter-spacing:.03em;color:var(--faint);text-transform:lowercase;user-select:none}
.md pre code{display:block;overflow-x:auto;background:none;border:0;padding:13px 16px;
  font-size:.855rem;line-height:1.5;white-space:pre;
  font-family:ui-monospace,"SF Mono","JetBrains Mono",Menlo,Consolas,monospace}
.code-copy{font-size:11px;line-height:1;padding:4px 9px;border-radius:7px;flex:0 0 auto;
  background:transparent;border:1px solid var(--line);color:var(--muted);cursor:pointer;
  transition:color .14s, border-color .14s, background .14s}
.code-copy:hover{color:var(--ink);border-color:color-mix(in srgb,var(--amber-2) 45%,var(--line));background:var(--surface)}
/* --- design pass 2: motion, list markers, depth --- */
@keyframes msg-in{from{opacity:0;transform:translateY(7px)}to{opacity:1;transform:none}}
.msg{animation:msg-in .3s cubic-bezier(.2,.7,.2,1) both}
.md ul{padding-left:1.2em}
.md li{margin:4px 0}
.md li::marker{color:var(--amber-2)}
.md em{font-style:italic}
.md blockquote{margin:0 0 12px;padding:2px 0 2px 14px;border-left:2px solid color-mix(in srgb,var(--amber-2) 55%,var(--line));color:var(--muted)}
.msg.user .body{box-shadow:0 1px 2px rgba(10,12,20,.05)}
.msg.assistant .who .dot{box-shadow:0 0 10px -1px color-mix(in srgb,var(--amber-2) 60%,transparent)}

/* per-message actions (copy / regenerate / edit) -- appear on hover, always available on touch */
.acts{display:flex;gap:2px;margin-top:6px;opacity:0;transform:translateY(-2px);
  transition:opacity .15s, transform .15s;pointer-events:none}
.msg.user .acts{justify-content:flex-end}
.msg:hover .acts,.msg:focus-within .acts{opacity:1;transform:none;pointer-events:auto}
.act{display:inline-grid;place-items:center;width:28px;height:28px;border-radius:7px;border:0;
  background:transparent;color:var(--faint);cursor:pointer;transition:.13s}
.act:hover{background:var(--surface-2);color:var(--ink)}
@media (hover:none){.acts{opacity:1;transform:none;pointer-events:auto}}
/* one-tap refine chips under the latest answer */
.refine{display:flex;flex-wrap:wrap;gap:6px;margin-top:9px}
.refine-chip{font-size:.76rem;padding:4px 11px;border-radius:999px;border:1px solid var(--line);
  background:transparent;color:var(--muted);cursor:pointer;transition:.14s;white-space:nowrap}
.refine-chip:hover{color:var(--ink);border-color:color-mix(in srgb,var(--amber-2,#d99620) 45%,var(--line));background:var(--surface)}
/* command palette (⌘K) */
.cmd-scrim{position:fixed;inset:0;z-index:80;background:rgba(0,0,0,.4);display:flex;align-items:flex-start;justify-content:center;padding-top:12vh;animation:vd-in .12s both}
.cmd{width:min(560px,calc(100vw - 24px));background:var(--surface);border:1px solid var(--line);border-radius:16px;box-shadow:0 24px 70px -20px rgba(0,0,0,.5);overflow:hidden}
.cmd-input{width:100%;box-sizing:border-box;border:0;border-bottom:1px solid var(--line);background:transparent;color:var(--ink);font:inherit;font-size:1rem;padding:15px 18px;outline:none}
.cmd-list{max-height:min(52vh,420px);overflow-y:auto;padding:6px}
.cmd-row{display:flex;align-items:baseline;gap:10px;width:100%;text-align:left;border:0;background:transparent;color:var(--ink);font:inherit;padding:10px 12px;border-radius:10px;cursor:pointer}
.cmd-row.active{background:color-mix(in srgb,var(--amber-2,#d99620) 13%,var(--surface-2))}
.cmd-label{font-size:.94rem}
.cmd-hint{margin-left:auto;font-size:.78rem;color:var(--faint)}
/* select-to-ask popover */
.sel-ask{position:fixed;z-index:70;display:flex;gap:4px;background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:4px;box-shadow:0 8px 24px -8px rgba(0,0,0,.4);animation:vd-in .12s both}
.sel-btn{font-size:.8rem;padding:5px 10px;border-radius:7px;border:0;background:transparent;color:var(--ink);cursor:pointer}
.sel-btn:hover{background:var(--surface-2)}
/* voice conversation overlay */
.vc-scrim{position:fixed;inset:0;z-index:90;display:flex;align-items:center;justify-content:center;
  background:color-mix(in srgb,var(--ground) 88%,transparent);backdrop-filter:blur(6px);animation:vd-in .18s both}
.vc{position:relative;display:flex;flex-direction:column;align-items:center;gap:1.1rem;padding:2rem;text-align:center;max-width:440px}
.vc-x{position:fixed;top:18px;right:18px;width:38px;height:38px;border-radius:50%;border:1px solid var(--line);
  background:var(--surface);color:var(--ink);font-size:1rem;cursor:pointer}
.vc-orb{width:132px;height:132px;border-radius:50%;cursor:pointer;
  background:radial-gradient(circle at 38% 32%, #8fe8c8, #2f9e73);box-shadow:0 0 0 0 color-mix(in srgb,var(--amber-2,#3fbf8f) 40%,transparent)}
.vc-scrim.listening .vc-orb{animation:vc-pulse 1.4s ease-in-out infinite}
.vc-scrim.speaking .vc-orb{animation:vc-pulse .7s ease-in-out infinite;background:radial-gradient(circle at 38% 32%, #ffd479, #d99620)}
.vc-scrim.thinking .vc-orb{animation:vc-spin 1s linear infinite;background:conic-gradient(from 0deg, #2f9e73, #8fe8c8, #2f9e73)}
@keyframes vc-pulse{0%,100%{box-shadow:0 0 0 0 color-mix(in srgb,#3fbf8f 45%,transparent);transform:scale(1)}50%{box-shadow:0 0 0 26px transparent;transform:scale(1.04)}}
@keyframes vc-spin{to{transform:rotate(360deg)}}
.vc-status{font-size:1.25rem;font-weight:600;letter-spacing:-.01em}
.vc-transcript{font-size:1rem;color:var(--muted);min-height:1.4em;line-height:1.5;max-width:36ch}
.vc-note{font-size:.8rem;color:var(--faint);line-height:1.5;margin:.4rem 0 0;max-width:34ch}
@media (prefers-reduced-motion:reduce){.vc-orb{animation:none !important}}
/* canvas: editable document side panel */
.canvas{position:fixed;inset:0;z-index:60;pointer-events:none}
.canvas .cv-scrim{position:absolute;inset:0;background:rgba(0,0,0,.32);opacity:0;transition:opacity .2s}
.canvas.open{pointer-events:auto}
.canvas.open .cv-scrim{opacity:1}
.cv-panel{position:absolute;top:0;right:0;bottom:0;width:min(600px,94vw);display:flex;flex-direction:column;
  background:var(--surface);border-left:1px solid var(--line);transform:translateX(100%);transition:transform .22s ease;box-shadow:-16px 0 50px -24px rgba(0,0,0,.5)}
.canvas.open .cv-panel{transform:none}
.cv-head{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 14px;border-bottom:1px solid var(--line)}
.cv-head b{font-size:1rem}
.cv-tools{display:flex;align-items:center;gap:6px}
.cv-btn{font-size:.8rem;padding:5px 10px;border-radius:8px;border:1px solid var(--line);background:transparent;color:var(--muted);cursor:pointer;transition:.14s}
.cv-btn:hover{color:var(--ink);border-color:color-mix(in srgb,var(--ink) 22%,var(--line))}
.cv-text{flex:1;min-height:0;width:100%;box-sizing:border-box;resize:none;border:0;outline:none;background:transparent;color:var(--ink);
  font-family:ui-monospace,"SF Mono","JetBrains Mono",Menlo,Consolas,monospace;font-size:.9rem;line-height:1.6;padding:16px 18px}
.cv-revise{display:flex;gap:8px;padding:10px 12px;border-top:1px solid var(--line)}
.cv-inp{flex:1;box-sizing:border-box;border:1px solid var(--line);border-radius:10px;background:var(--surface-2);color:var(--ink);font:inherit;font-size:.9rem;padding:9px 12px;outline:none}
.cv-inp:focus{border-color:color-mix(in srgb,var(--amber-2,#d99620) 50%,transparent)}
.cv-go{padding:9px 16px;border-radius:10px;border:0;background:var(--ink);color:var(--ground);font:inherit;font-size:.88rem;font-weight:600;cursor:pointer}
.cv-go:disabled{opacity:.6;cursor:default}
.cv-note{font-size:.76rem;color:var(--faint);padding:0 14px 12px;line-height:1.5}
@media (max-width:600px){.cv-panel{width:100vw;border-left:0}}
/* glyph studio: effect grid for the programmable living mark */
.gs-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin:2px 0}
.gs-eff{font-size:.78rem;padding:7px 8px;border-radius:9px;border:1px solid var(--line);background:transparent;color:var(--muted);cursor:pointer;text-transform:capitalize;transition:.14s}
.gs-eff:hover{color:var(--ink);border-color:color-mix(in srgb,var(--ink) 22%,var(--line))}
.gs-eff.on{color:var(--ink);border-color:color-mix(in srgb,var(--amber-2,#d99620) 55%,var(--line));background:color-mix(in srgb,var(--amber-2,#d99620) 12%,transparent)}
@media (max-width:520px){.gs-grid{grid-template-columns:repeat(2,1fr)}}
/* Customize your Lum: live preview + simple controls anyone can use */
.dw-hint{margin:.1rem 0 .5rem;font-size:.82rem;line-height:1.5;color:var(--muted);text-wrap:pretty}
.gs-preview-wrap{display:flex;flex-direction:column;align-items:center;gap:6px;margin:6px 0 14px}
.gs-preview{width:176px;height:176px;border-radius:20px;border:1px solid var(--line);
  background:radial-gradient(circle at 50% 42%,color-mix(in srgb,var(--amber-2,#d99620) 10%,var(--surface-2)),var(--surface-2));
  box-shadow:0 6px 30px rgba(0,0,0,.20);display:flex;align-items:center;justify-content:center;overflow:hidden}
.gs-cap{font-size:.78rem;color:var(--faint);letter-spacing:.02em}
.gs-moods{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin:2px 0}
.gs-mood{font-size:.8rem;padding:8px;border-radius:9px;border:1px solid var(--line);background:transparent;color:var(--muted);cursor:pointer;transition:.14s}
.gs-mood:hover{color:var(--ink);border-color:color-mix(in srgb,var(--ink) 22%,var(--line))}
.gs-mood.on{color:var(--ink);border-color:color-mix(in srgb,var(--amber-2,#d99620) 55%,var(--line));background:color-mix(in srgb,var(--amber-2,#d99620) 12%,transparent)}
.gs-linkbtn{margin-top:8px;background:none;border:0;padding:2px 0;color:var(--amber-2,#d99620);font-size:.82rem;font-weight:600;cursor:pointer}
.gs-linkbtn:hover{text-decoration:underline}
.gs-slider{display:flex;align-items:center;gap:10px;margin:2px 0}
.gs-slider span{font-size:.76rem;color:var(--faint);flex:0 0 auto}
.gs-slider input[type=range]{flex:1 1 auto;accent-color:var(--amber-2,#d99620)}
.gs-adv{margin-top:14px;border-top:1px solid var(--line);padding-top:10px}
.gs-adv>summary{cursor:pointer;font-size:.86rem;font-weight:600;color:var(--muted);list-style:none}
.gs-adv>summary:hover{color:var(--ink)}
.gs-adv[open]>summary{color:var(--ink);margin-bottom:8px}
/* provable artwork (bit-identical, signed, re-verifiable) */
.pm-wrap{display:flex;gap:14px;align-items:flex-start;margin:4px 0}
.pm-canvas{width:128px;height:128px;flex:0 0 auto;border-radius:12px;border:1px solid var(--line);
  background:var(--surface-2);box-shadow:0 2px 14px rgba(0,0,0,.16)}
.pm-side{flex:1 1 auto;min-width:0;display:flex;flex-direction:column;gap:8px}
.pm-hash{font-family:ui-monospace,"SF Mono",Menlo,Consolas,monospace;font-size:.72rem;color:var(--faint);
  word-break:break-all;padding:5px 8px;border:1px solid var(--line);border-radius:8px;background:var(--surface-2)}
@media (max-width:520px){.pm-wrap{flex-direction:column;align-items:center}.pm-canvas{width:160px;height:160px}}

/* trust row: the epistemic register + verifiable receipt under each hosted answer. Always visible --
   this is LumOne's whole differentiator made tangible, not decoration. */
.trust{display:flex;flex-wrap:wrap;align-items:center;gap:7px;margin-top:9px}
.tchip{font-size:.66rem;font-weight:650;letter-spacing:.02em;text-transform:uppercase;
  padding:2px 8px;border-radius:999px;border:1px solid transparent;white-space:nowrap}
.tchip.ok{color:var(--live,#3fb950);background:color-mix(in srgb,var(--live,#3fb950) 13%,transparent);
  border-color:color-mix(in srgb,var(--live,#3fb950) 30%,transparent)}
.tchip.local{color:var(--live,#3fb950);background:color-mix(in srgb,var(--live,#3fb950) 13%,transparent)}
.tchip.warn{color:var(--amber-2);background:color-mix(in srgb,var(--amber-2) 15%,transparent);
  border-color:color-mix(in srgb,var(--amber-2) 32%,transparent)}
.tchip.cite{color:#4a90d9;background:color-mix(in srgb,#4a90d9 14%,transparent);border-color:color-mix(in srgb,#4a90d9 30%,transparent)}
.tchip.spec{color:#a371f7;background:color-mix(in srgb,#a371f7 14%,transparent);border-color:color-mix(in srgb,#a371f7 30%,transparent)}
.tverify{display:inline-flex;align-items:center;gap:6px;font:inherit;font-size:.72rem;
  padding:3px 9px 3px 8px;border-radius:999px;border:1px solid var(--line);background:transparent;
  color:var(--muted);cursor:pointer;font-variant-numeric:tabular-nums;transition:.14s}
.tverify:hover{color:var(--ink);border-color:color-mix(in srgb,var(--amber-2) 45%,var(--line))}
.tverify.static{cursor:default}
.tverify .tv-dot{width:7px;height:7px;border-radius:50%;background:var(--faint);flex:none}
.tverify.ok .tv-dot,.tverify.good .tv-dot{background:var(--live,#3fb950);box-shadow:0 0 7px -1px color-mix(in srgb,var(--live,#3fb950) 80%,transparent)}
.tverify.good{color:var(--live,#3fb950);border-color:color-mix(in srgb,var(--live,#3fb950) 45%,transparent)}
.tverify.bad{color:#c0392b;border-color:color-mix(in srgb,#c0392b 45%,transparent)}
.tverify.bad .tv-dot{background:#c0392b}
.tverify.checking{opacity:.7}
/* memory chip: this answer was grounded in facts you stored (recalled by the certified field) */
.tverify.mem{color:var(--amber-2,#d99620);border-color:color-mix(in srgb,var(--amber-2,#d99620) 34%,var(--line))}
.tverify.mem .tv-dot{background:var(--amber-2,#d99620)}
.tverify.mem.good{color:var(--live,#3fb950);border-color:color-mix(in srgb,var(--live,#3fb950) 45%,transparent)}
.tverify-detail .vd-check{overflow-wrap:anywhere}
.tconf{font-size:.72rem;color:var(--faint);font-variant-numeric:tabular-nums;margin-left:2px}
/* text size (accessibility): app.js sets data-textsize on <html>; scaling lives here. Scopes to reading
   surfaces (message text, composer) so chrome/controls stay stable. */
:root[data-textsize="sm"] .md, :root[data-textsize="sm"] #input{font-size:.92rem}
:root[data-textsize="lg"] .md, :root[data-textsize="lg"] #input{font-size:1.14rem}
:root[data-textsize="lg"] .md{line-height:1.7}

/* live connection status: which mind is answering right now (full / on-device / preview / offline).
   app.js only toggles the state class; all appearance lives here. */
.lum-status{display:inline-flex;align-items:center;gap:.42em;height:28px;padding:0 .6em;
  border:1px solid var(--line);border-radius:999px;background:transparent;color:var(--ink);
  font:inherit;font-size:.82rem;line-height:1;white-space:nowrap;cursor:pointer;opacity:.9;
  transition:opacity .2s,border-color .2s}
.lum-status:hover{opacity:1;border-color:color-mix(in srgb,var(--ink) 22%,var(--line))}
.lum-status .lbl{font-weight:600}
.lum-status .dot{width:8px;height:8px;border-radius:50%;background:var(--faint);flex:0 0 auto;transition:background .25s}
.lum-status.full .dot{background:var(--live,#3fb950);box-shadow:0 0 0 3px color-mix(in srgb,var(--live,#3fb950) 18%,transparent)}
.lum-status.local .dot{background:#3b82f6;box-shadow:0 0 0 3px color-mix(in srgb,#3b82f6 18%,transparent)}
.lum-status.preview .dot{background:var(--amber-2,#d99620);box-shadow:0 0 0 3px color-mix(in srgb,var(--amber-2,#d99620) 18%,transparent);animation:lum-pulse 1.6s ease-in-out infinite}
.lum-status.offline .dot{background:#c0392b;box-shadow:0 0 0 3px color-mix(in srgb,#c0392b 18%,transparent)}
@keyframes lum-pulse{0%,100%{opacity:1}50%{opacity:.35}}
@media (max-width:600px){.lum-status .lbl{display:none}.lum-status{padding:0 .45em}}
@media (prefers-reduced-motion:reduce){.lum-status.preview .dot{animation:none}}
/* the header + is redundant while the sidebar (with its big New chat) is open; show it only when the
   sidebar is collapsed, so it earns its place instead of duplicating the sidebar button. */
.sb-open #new-chat{display:none}
/* code syntax highlighting: the .cl renderer (chat.wasm) emits <span class="tok-*"> inside <pre><code>;
   colors live here and are theme-aware. Structure/escaping is done in .cl; this is pure presentation. */
.md pre code .tok-com{color:#6a737d;font-style:italic}
.md pre code .tok-str{color:#0a7d33}
.md pre code .tok-num{color:#0b62d6}
.md pre code .tok-kw{color:#cf222e;font-weight:600}
@media (prefers-color-scheme:dark){
  .md pre code .tok-com{color:#8b949e}
  .md pre code .tok-str{color:#7ee787}
  .md pre code .tok-num{color:#79c0ff}
  .md pre code .tok-kw{color:#ff7b72}
}
:root[data-theme="light"] .md pre code .tok-com{color:#6a737d}
:root[data-theme="light"] .md pre code .tok-str{color:#0a7d33}
:root[data-theme="light"] .md pre code .tok-num{color:#0b62d6}
:root[data-theme="light"] .md pre code .tok-kw{color:#cf222e}
:root[data-theme="dark"] .md pre code .tok-com{color:#8b949e}
:root[data-theme="dark"] .md pre code .tok-str{color:#7ee787}
:root[data-theme="dark"] .md pre code .tok-num{color:#79c0ff}
:root[data-theme="dark"] .md pre code .tok-kw{color:#ff7b72}
/* math (LaTeX subset) rendered by the .cl renderer: <span class="math"> with <sup>/<sub>/frac/sqrt.
   Presentation only; the parse lives in chat.cl. */
.md .math{font-family:"Cambria Math","Latin Modern Math",Georgia,serif;font-style:italic;white-space:nowrap}
.md .math.block{display:block;text-align:center;margin:.7em 0;font-size:1.12em}
.md .math sup{font-size:.72em}
.md .math sub{font-size:.72em}
.md .math .frac{display:inline-flex;flex-direction:column;vertical-align:middle;text-align:center;margin:0 .18em}
.md .math .frac .fnum{border-bottom:1px solid currentColor;padding:0 .28em;line-height:1.2}
.md .math .frac .fden{padding:0 .28em;line-height:1.2}
.md .math .sqrt{border-top:1px solid currentColor;padding:0 .12em;margin-left:.05em}
/* reasoning panel: the connected mind's live "thinking", shown above the answer in a collapsible aside.
   Streams while it reasons (pulsing dot + "Thinking…"), then collapses to "Thought for Ns". */
.think{margin:0 0 12px;border:1px solid var(--line);border-radius:12px;
  background:color-mix(in srgb,var(--ink) 2.5%,var(--surface-2))}
.think > summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:.55em;
  padding:8px 12px;font-size:.86rem;color:var(--muted);user-select:none;transition:color .14s}
.think > summary::-webkit-details-marker{display:none}
.think > summary::marker{content:""}
.think > summary:hover{color:var(--ink)}
.think .think-ic{width:8px;height:8px;border-radius:50%;background:var(--amber-2);flex:0 0 auto}
.think:not(.done) .think-ic{animation:lum-pulse 1.4s ease-in-out infinite}
.think.done .think-ic{background:var(--faint)}
.think .think-label{font-weight:500}
.think .think-chev{margin-left:auto;width:0;height:0;flex:0 0 auto;opacity:.5;transition:transform .15s ease;
  border-left:4px solid transparent;border-right:4px solid transparent;border-top:5px solid currentColor}
.think[open] .think-chev{transform:rotate(180deg)}
.think .think-body{padding:2px 13px 12px;margin-top:2px;font-size:.82rem;line-height:1.55;color:var(--muted);
  white-space:pre-wrap;overflow-wrap:anywhere;max-height:340px;overflow-y:auto;border-top:1px solid var(--line)}
/* a live reasoning panel already says "Thinking…"; drop the generic empty-answer placeholder to avoid doubling */
.has-think .md:empty::before{content:none}
@media (prefers-reduced-motion:reduce){.think:not(.done) .think-ic{animation:none}}
/* on-device verification of the reasoning: each checkable step is marked ✓ (correct) or ✗ with the real
   value (the .cl kernel re-ran it exactly). THE thing only Lum does. */
.chk{border-radius:3px;padding:0 1px}
.chk-ok{color:var(--live,#3fb950)}
.chk-ok::after{content:" ✓";font-size:.82em;opacity:.85}
.chk-bad{color:#e5534b;text-decoration:line-through;text-decoration-thickness:1px}
.chk-bad[data-fix]::after{content:" → " attr(data-fix);text-decoration:none;font-weight:600;color:#e5534b}
.think-checks{display:inline-flex;gap:6px;margin-left:6px}
.chk-badge{font-size:.72rem;padding:1px 8px;border-radius:999px;line-height:1.5;font-weight:600;white-space:nowrap}
.chk-badge.ok{color:var(--live,#3fb950);background:color-mix(in srgb,var(--live,#3fb950) 15%,transparent)}
.chk-badge.bad{color:#e5534b;background:color-mix(in srgb,#e5534b 16%,transparent)}
/* custom-instructions fields in Settings ("How Lum responds") */
.set-field{display:flex;flex-direction:column;gap:.35rem;margin:.7rem 0}
.set-field > span{font-size:.9rem;color:var(--ink)}
.dw-textarea{width:100%;box-sizing:border-box;resize:vertical;min-height:2.6rem;padding:.55rem .65rem;
  border:1px solid var(--line);border-radius:10px;background:var(--surface);color:var(--ink);
  font:inherit;font-size:.9rem;line-height:1.45}
.dw-textarea:focus{outline:2px solid color-mix(in srgb,var(--amber-2,#d99620) 50%,transparent);outline-offset:1px;border-color:transparent}
.dw-textarea::placeholder{color:var(--faint)}
/* status popover: what the connection state means + the two relevant next steps. Distinct from the
   shield (Privacy & proof). app.js only creates/positions it; appearance lives here. */
.lum-status-pop{position:fixed;z-index:60;width:min(300px,calc(100vw - 16px));
  background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:14px;
  box-shadow:0 12px 40px -12px rgba(0,0,0,.35),0 2px 8px -4px rgba(0,0,0,.2);padding:14px;
  animation:vd-in .16s cubic-bezier(.2,.7,.2,1) both}
.lum-status-pop .sp-head{display:flex;align-items:center;gap:.5em;font-size:.95rem;margin-bottom:.4rem}
.lum-status-pop .sp-head .dot{width:9px;height:9px;border-radius:50%;background:var(--faint);flex:0 0 auto}
.lum-status-pop.full .sp-head .dot{background:var(--live,#3fb950)}
.lum-status-pop.local .sp-head .dot{background:#3b82f6}
.lum-status-pop.preview .sp-head .dot{background:var(--amber-2,#d99620)}
.lum-status-pop.offline .sp-head .dot{background:#c0392b}
.lum-status-pop .sp-body{margin:0 0 .8rem;font-size:.85rem;line-height:1.5;color:var(--muted)}
.lum-status-pop .sp-actions{display:flex;gap:8px}
.lum-status-pop .sp-act{flex:1;padding:7px 10px;border:1px solid var(--line);border-radius:9px;
  background:transparent;color:var(--ink);font:inherit;font-size:.82rem;cursor:pointer;transition:.14s}
.lum-status-pop .sp-act:hover{border-color:color-mix(in srgb,var(--ink) 24%,var(--line));background:color-mix(in srgb,var(--ink) 4%,transparent)}
/* verification detail: the actual checks that re-ran when you clicked the receipt */
.verify-detail{margin-top:10px;max-width:min(560px,100%);border:1px solid color-mix(in srgb,var(--live,#3fb950) 26%,var(--line));
  border-radius:12px;padding:12px 14px;background:color-mix(in srgb,var(--live,#3fb950) 5%,var(--surface));
  animation:vd-in .2s cubic-bezier(.2,.7,.2,1) both}
.verify-detail[hidden]{display:none}
@keyframes vd-in{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}
.vd-head{font-size:.85rem;color:var(--ink);margin-bottom:9px}
.vd-badge{display:inline-block;font-size:.62rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;
  color:var(--live,#3fb950);background:color-mix(in srgb,var(--live,#3fb950) 15%,transparent);
  border:1px solid color-mix(in srgb,var(--live,#3fb950) 32%,transparent);border-radius:999px;padding:1px 7px;vertical-align:1px}
.vd-check{display:flex;align-items:flex-start;gap:8px;font-size:.82rem;color:var(--muted);margin:5px 0;line-height:1.4}
.vd-tick{flex:none;color:var(--live,#3fb950);font-weight:700}
.vd-name{overflow-wrap:anywhere}
.vd-foot{font-size:.75rem;color:var(--faint);margin-top:9px;padding-top:8px;border-top:1px solid var(--line-2)}
@media (prefers-reduced-motion:reduce){.verify-detail{animation:none}}

/* send button doubles as a STOP control while generating */
.send .i-stop{display:none}
.composer.busy .send{background:var(--surface-2);color:var(--ink);box-shadow:none}
.composer.busy .send .i-send{display:none}
.composer.busy .send .i-stop{display:block;color:var(--ink)}

/* scroll-to-latest button -- floats just above the composer when you've scrolled up */
.to-bottom{position:absolute;left:50%;top:-46px;transform:translateX(-50%);
  display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;
  background:var(--surface);border:1px solid var(--line);color:var(--muted);cursor:pointer;
  box-shadow:var(--shadow);transition:.15s;z-index:5}
.to-bottom:hover{color:var(--ink);border-color:color-mix(in srgb,var(--amber-2) 45%,var(--line))}
.to-bottom[hidden]{display:none}
.dock{position:sticky}
/* streaming state: a calm "Thinking..." while we wait for the first token (a reasoning model can
   think for a minute+ before it speaks), then a blinking caret once real text starts flowing. */
.msg.assistant.streaming .md:empty::before{content:"Thinking\2026";color:var(--faint);font-size:13.5px;
  letter-spacing:.01em;animation:think-pulse 1.5s ease-in-out infinite}
.msg.assistant.streaming .md:not(:empty)::after{content:"";display:inline-block;width:.5em;height:1.05em;
  vertical-align:-2px;margin-left:2px;background:var(--amber-2);border-radius:1px;animation:blink 1s steps(2) infinite}

/* dock / composer */
.dock{position:sticky;bottom:0;padding:10px clamp(14px,4vw,20px) max(14px,env(safe-area-inset-bottom));
  background:var(--dock-fade)}
.composer{max-width:var(--maxw);margin:0 auto;display:flex;align-items:flex-end;gap:8px;
  background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:8px 8px 8px 16px;
  box-shadow:var(--shadow)}
.composer{transition:border-color .16s, box-shadow .16s}
.composer:focus-within{border-color:color-mix(in srgb,var(--amber-2) 45%,var(--line));
  box-shadow:0 0 0 3px color-mix(in srgb,var(--amber-2) 12%,transparent), var(--shadow)}
.send:not(:disabled){box-shadow:0 2px 10px -2px color-mix(in srgb,var(--amber-2) 70%,transparent)}
.input{flex:1;border:0;background:transparent;color:var(--ink);resize:none;font:inherit;line-height:1.5;
  padding:8px 0;max-height:40vh;outline:none}
.input::placeholder{color:var(--faint)}
.send{flex:none;display:inline-grid;place-items:center;width:38px;height:38px;border-radius:50%;border:0;
  background:var(--amber-2);color:#0a0b0e;cursor:pointer;transition:.15s}
.send:disabled{background:var(--surface-2);color:var(--faint);cursor:default}
.send:not(:disabled):hover{filter:brightness(1.06)}
.hint{max-width:var(--maxw);margin:6px auto 0;text-align:center;color:var(--faint);font-size:11.5px}

/* composer I/O buttons (attach, mic): flat, quiet until hovered; sit at the row's baseline */
.io-btn{flex:none;display:inline-grid;place-items:center;width:38px;height:38px;border-radius:50%;border:0;
  background:transparent;color:var(--faint);cursor:pointer;transition:.15s}
.io-btn:hover{background:var(--surface-2);color:var(--ink)}
#attach{margin-right:-4px}
/* mic while listening: live amber pulse */
#mic.recording{color:var(--amber-2);background:color-mix(in srgb,var(--amber-2) 16%,transparent)}
#mic.recording::after{content:"";position:absolute;width:38px;height:38px;border-radius:50%;
  border:1.5px solid var(--amber-2);animation:mic-ring 1.1s ease-out infinite}
#mic{position:relative}
@keyframes mic-ring{0%{transform:scale(.7);opacity:.7}100%{transform:scale(1.35);opacity:0}}
/* voice-out toggle lit when on */
#speak[aria-pressed="true"]{color:var(--amber-2)}
#speak .spk-wave{opacity:.9}
#speak[aria-pressed="false"] .spk-wave{opacity:.35}

/* attachment chips above the composer */
.attachments{max-width:var(--maxw);margin:0 auto 8px;display:flex;flex-wrap:wrap;gap:8px}
.attachments[hidden]{display:none}
.att-chip{display:inline-flex;align-items:center;gap:8px;background:var(--surface);border:1px solid var(--line);
  border-radius:12px;padding:6px 8px 6px 10px;font-size:12.5px;color:var(--ink);max-width:230px}
.att-chip .cname{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.att-chip .cmeta{color:var(--faint);font-size:11px;flex:none}
.att-chip img{width:30px;height:30px;object-fit:cover;border-radius:7px;flex:none;margin:-2px 0 -2px -4px}
.att-chip .cx{flex:none;display:inline-grid;place-items:center;width:18px;height:18px;border-radius:50%;border:0;
  background:var(--surface-2);color:var(--faint);cursor:pointer;font-size:13px;line-height:1}
.att-chip .cx:hover{background:var(--line-2);color:var(--ink)}
/* image thumbnails inside a sent user bubble */
.msg.user .att-thumbs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:8px}
.msg.user .att-thumbs .tf{display:inline-flex;align-items:center;gap:7px;background:var(--surface-2);
  border:1px solid var(--line);border-radius:10px;padding:5px 10px;font-size:12px;color:var(--muted)}
.msg.user .att-thumbs img{max-width:180px;max-height:180px;border-radius:10px;border:1px solid var(--line)}
/* drag-over affordance on the whole dock */
.dock.drag{outline:2px dashed color-mix(in srgb,var(--amber-2) 60%,transparent);outline-offset:-6px;border-radius:16px}

@keyframes blink{0%{opacity:1}50%{opacity:0}}
@keyframes think-pulse{0%,100%{opacity:.42}50%{opacity:.9}}
/* -------------------------------------------------------------------------
   Sidecar (Layer 2): the proof drawer. Calm by default, summoned by the shield.
   ------------------------------------------------------------------------- */
.drawer{position:fixed;inset:0;z-index:40;display:none}
.drawer.open{display:block}
.drawer-scrim{position:absolute;inset:0;background:rgba(0,0,0,.38);backdrop-filter:blur(2px)}
.drawer-panel{position:absolute;top:0;right:0;bottom:0;width:min(420px,92vw);
  background:var(--surface);border-left:1px solid var(--line);box-shadow:-24px 0 64px rgba(0,0,0,.28);
  display:flex;flex-direction:column;animation:dw-slide .22s cubic-bezier(.2,.7,.2,1)}
@keyframes dw-slide{from{transform:translateX(24px);opacity:.4}to{transform:none;opacity:1}}
.drawer-head{display:flex;align-items:center;justify-content:space-between;
  padding:18px 20px;border-bottom:1px solid var(--line)}
.drawer-head b{font-family:"Space Grotesk",system-ui,sans-serif;font-size:1.05rem;font-weight:600}
.drawer-x{background:transparent;border:0;color:var(--muted);font-size:15px;line-height:1;
  cursor:pointer;padding:6px 9px;border-radius:8px}
.drawer-x:hover{background:var(--surface-2);color:var(--ink)}
.drawer-body{padding:20px;display:flex;flex-direction:column;gap:14px;overflow-y:auto}
.drawer .pill{display:flex;gap:10px;align-items:flex-start;
  background:color-mix(in srgb,var(--live,#3fb950) 10%,transparent);
  border:1px solid color-mix(in srgb,var(--live,#3fb950) 28%,transparent);
  border-radius:12px;padding:13px 15px;font-size:.9rem;line-height:1.5;color:var(--ink)}
.drawer .pill.soft{margin-top:8px;background:color-mix(in srgb,var(--amber-2,#d99620) 8%,transparent);border-color:color-mix(in srgb,var(--amber-2,#d99620) 26%,var(--line));color:var(--muted);font-size:.84rem}
.drawer .pill .lock{font-size:1rem;flex:0 0 auto}
.drawer .row{display:flex;justify-content:space-between;gap:12px;align-items:baseline;
  font-size:.9rem;padding:6px 2px;border-bottom:1px solid var(--line)}
.drawer .row .k{color:var(--muted)}
.drawer .row .v{color:var(--ink)}
.drawer .mono{font-family:ui-monospace,"SF Mono","JetBrains Mono",Menlo,Consolas,monospace;font-size:12px}
.drawer .wrap{word-break:break-all}
.dw-btn{border:1px solid var(--line);background:var(--surface-2);color:var(--ink);
  border-radius:10px;padding:11px 14px;font:inherit;font-size:.9rem;cursor:pointer;text-align:left;
  transition:border-color .15s ease}
.dw-btn:hover{border-color:color-mix(in srgb,var(--amber-2,#d99620) 45%,var(--line))}
.dw-btn.ghost{background:transparent}
.dw-note{font-size:.85rem;line-height:1.5;color:var(--muted)}
.dw-note:empty{display:none}
.dw-note.ok{color:var(--live,#3fb950)}
.dw-note.bad{color:#c0392b}
.dw-foot{font-size:.78rem;color:var(--faint,var(--muted));margin:6px 0 0}
.dw-sep{height:1px;background:var(--line);margin:4px 0}
.dw-label{font-size:.78rem;font-weight:600;letter-spacing:.03em;text-transform:uppercase;color:var(--muted)}
.dw-btn.danger{color:#c0392b;border-color:color-mix(in srgb,#c0392b 30%,var(--line))}
.dw-btn.danger:hover{border-color:#c0392b;background:color-mix(in srgb,#c0392b 8%,transparent)}
/* segmented control (theme picker) */
.seg{display:flex;gap:4px;background:var(--surface-2);border:1px solid var(--line);border-radius:11px;padding:4px}
.seg button{flex:1;border:0;background:transparent;color:var(--muted);font:inherit;font-size:.86rem;
  padding:8px 6px;border-radius:8px;cursor:pointer;transition:.13s}
.seg button:hover{color:var(--ink)}
.seg button.on{background:var(--surface);color:var(--ink);box-shadow:var(--shadow)}
/* toggle switch */
.set-row{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:.92rem}
.set-row > span{display:flex;flex-direction:column;gap:2px}
.set-row small{font-size:.74rem;color:var(--faint);font-weight:400;line-height:1.35;max-width:34ch}
.switch{position:relative;flex:none;width:42px;height:24px;border-radius:999px;border:1px solid var(--line);
  background:var(--surface-2);cursor:pointer;transition:.16s;padding:0}
.switch .knob{position:absolute;top:2px;left:2px;width:18px;height:18px;border-radius:50%;
  background:var(--faint);transition:.16s}
.switch[aria-checked="true"]{background:color-mix(in srgb,var(--amber-2) 40%,var(--surface-2));
  border-color:color-mix(in srgb,var(--amber-2) 55%,var(--line))}
.switch[aria-checked="true"] .knob{left:22px;background:var(--amber-2)}
.set-export{display:flex;flex-wrap:wrap;gap:8px}
.set-export .dw-btn{flex:1 1 auto;text-align:center;font-size:.84rem;padding:9px 10px}
/* coherence memory */
.mem-list{display:flex;flex-direction:column;gap:7px;margin-top:4px}
.mem-item{display:flex;align-items:flex-start;gap:8px;background:var(--surface-2);border:1px solid var(--line);
  border-radius:10px;padding:9px 10px;font-size:.9rem}
.mem-item .mem-text{flex:1;overflow-wrap:anywhere;color:var(--ink)}
.mem-item .cx{flex:none;display:inline-grid;place-items:center;width:20px;height:20px;border-radius:50%;border:0;
  background:transparent;color:var(--faint);cursor:pointer;font-size:15px;line-height:1}
.mem-item .cx:hover{background:var(--line-2);color:var(--ink)}
.mem-card{margin:12px 0 4px;border:1px solid var(--line);border-radius:12px;padding:12px 14px;background:var(--surface)}
.mem-card.ok{border-color:color-mix(in srgb,var(--live,#3fb950) 30%,var(--line));background:color-mix(in srgb,var(--live,#3fb950) 4%,var(--surface))}
.mem-card.abstain{border-color:color-mix(in srgb,var(--amber-2) 28%,var(--line))}
.mem-lead{font-size:.85rem;color:var(--muted);display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.mem-recalled{margin:9px 0 8px;font-size:1rem;color:var(--ink);line-height:1.45}
.mem-stat{font-size:.74rem;color:var(--faint);font-variant-numeric:tabular-nums;margin-bottom:9px}
.mem-timeline{margin:9px 0 8px;display:flex;flex-direction:column;gap:5px}
.mem-ev{display:flex;align-items:baseline;gap:8px;font-size:.82rem;line-height:1.35;padding-left:12px;position:relative}
.mem-ev::before{content:"";position:absolute;left:0;top:.5em;width:6px;height:6px;border-radius:50%;background:var(--live,#3fb950)}
.mem-ev.forget::before{background:var(--faint)}
.mem-ev-op{flex:none;font-variant-numeric:tabular-nums;font-weight:600;letter-spacing:.01em;color:var(--live,#3fb950);min-width:76px}
.mem-ev.forget .mem-ev-op{color:var(--faint)}
.mem-ev-text{color:var(--ink);overflow-wrap:anywhere}
.dw-restore{display:flex;gap:8px}
.dw-input{flex:1 1 auto;min-width:0;border:1px solid var(--line);background:var(--surface-2);color:var(--ink);
  border-radius:10px;padding:10px 12px;font:inherit;font-size:.85rem}
.dw-input:focus{outline:2px solid color-mix(in srgb,var(--amber-2,#d99620) 55%,transparent);outline-offset:1px}
.dw-restore .dw-btn{flex:0 0 auto}

/* -------------------------------------------------------------------------
   Model picker: the capability tiers, top-left by the mark. How you switch minds.
   ------------------------------------------------------------------------- */
.model-btn{display:inline-flex;align-items:center;gap:5px;margin-left:4px;
  border:1px solid transparent;background:transparent;color:var(--muted);
  font:inherit;font-size:.92rem;font-weight:500;cursor:pointer;
  padding:5px 9px;border-radius:9px;transition:background .15s ease,color .15s ease}
.model-btn:hover{background:var(--surface-2);color:var(--ink)}
.model-btn svg{opacity:.7}
#model-name{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:40vw}
/* mobile topbar: it was overcrowded (brand wordmark + model button + 5 icons collided). Drop the
   wordmark (the glyph carries the brand), never wrap the model name, and hide the New-chat icon --
   the conversations sidebar already has "New chat". */
@media (max-width:560px){
  .topbar{padding:10px 12px}
  .brand .wm{display:none}
  .topbar-left{gap:4px}
  .topbar-actions{gap:1px}
  .model-btn{margin-left:2px}
  #new-chat{display:none}
  #speak{display:none}      /* redundant on mobile — the voice toggle lives in Settings */
  .icon-btn{width:34px;height:34px}
}
.model-menu[hidden]{display:none}
.model-menu{position:fixed;z-index:50;width:min(300px,90vw);
  background:var(--surface);border:1px solid var(--line);border-radius:14px;
  box-shadow:var(--shadow);padding:6px;display:flex;flex-direction:column;gap:2px;
  animation:mm-in .14s ease}
@keyframes mm-in{from{transform:translateY(-4px);opacity:0}to{transform:none;opacity:1}}
.model-item{display:flex;flex-direction:column;gap:3px;text-align:left;
  background:transparent;border:0;border-radius:10px;padding:9px 11px;cursor:pointer;color:var(--ink)}
.model-item:hover{background:var(--surface-2)}
.model-item[aria-selected="true"]{background:color-mix(in srgb,var(--amber-2,#d99620) 12%,transparent)}
.model-item .mtop{display:flex;align-items:center;gap:8px;font-size:.94rem}
.model-item .mtop b{font-weight:600}
.model-item .mdesc{font-size:.82rem;color:var(--muted);line-height:1.4}
.mchip{font-size:.66rem;font-weight:600;letter-spacing:.03em;text-transform:uppercase;
  padding:2px 7px;border-radius:999px;
  color:var(--live,#3fb950);background:color-mix(in srgb,var(--live,#3fb950) 14%,transparent)}
.mchip.high{color:var(--amber-2,#d99620);background:color-mix(in srgb,var(--amber-2,#d99620) 16%,transparent)}
.mchip.local{color:var(--live,#3fb950);background:color-mix(in srgb,var(--live,#3fb950) 14%,transparent)}
/* on-device marker: a small green dot before the model name when Lum Local is active */
#model-btn.local #model-name::before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;
  background:var(--live,#3fb950);margin-right:7px;vertical-align:1px;
  box-shadow:0 0 7px -1px color-mix(in srgb,var(--live,#3fb950) 80%,transparent)}

/* -------------------------------------------------------------------------
   The loud demo (/proof.html): "put it on trial." Calm, editorial, honest.
   ------------------------------------------------------------------------- */
body.proof{background:var(--ground);color:var(--ink)}
.proof .topbar{position:sticky;top:0;justify-content:space-between}
.proof-back{color:var(--muted);text-decoration:none;font-size:.9rem;font-weight:500;
  border:1px solid var(--line);border-radius:9px;padding:6px 12px}
.proof-back:hover{background:var(--surface-2);color:var(--ink)}
.proof-main{max-width:860px;margin:0 auto;padding:clamp(28px,6vw,64px) 20px 80px}
.proof-h1{font-family:"Space Grotesk",system-ui,sans-serif;font-weight:600;
  font-size:clamp(1.9rem,5vw,3rem);line-height:1.05;letter-spacing:-.02em;text-wrap:balance;margin:0 0 14px}
.proof-lede{font-size:clamp(1rem,2.2vw,1.18rem);line-height:1.55;color:var(--muted);max-width:62ch;margin:0 0 34px}
.proof-card{background:var(--surface);border:1px solid var(--line);border-radius:18px;
  padding:clamp(18px,3vw,28px);margin:0 0 22px;box-shadow:var(--shadow)}
.proof-step{font-size:.8rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;
  color:var(--amber);margin:0 0 14px}
.proof-ta{width:100%;box-sizing:border-box;resize:vertical;border:1px solid var(--line);
  background:var(--surface-2);color:var(--ink);border-radius:12px;padding:13px 15px;
  font:inherit;font-size:1rem;line-height:1.5}
.proof-ta:focus{outline:2px solid color-mix(in srgb,var(--amber-2,#d99620) 55%,transparent);outline-offset:1px}
.proof-btn{margin-top:12px;border:0;border-radius:11px;cursor:pointer;
  background:var(--amber);color:#12100a;font:inherit;font-size:.95rem;font-weight:600;padding:11px 18px;
  transition:filter .15s ease}
.proof-btn:hover{filter:brightness(1.06)}
.proof-btn:disabled{opacity:.6;cursor:default}
.proof-btn.small{margin:0;padding:10px 16px}
.proof-cols{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:20px}
@media (max-width:640px){.proof-cols{grid-template-columns:1fr}}
.proof-col{border:1px solid var(--line);border-radius:13px;padding:13px;background:var(--ground)}
.proof-col.wire{border-color:color-mix(in srgb,var(--amber-2,#d99620) 34%,var(--line))}
.proof-col-h{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:.9rem;font-weight:600;margin-bottom:9px}
.proof-col-h .proof-tag{font-size:.72rem;font-weight:500;color:var(--faint,var(--muted));
  border:1px solid var(--line);border-radius:999px;padding:2px 8px}
.dot{width:8px;height:8px;border-radius:50%;flex:0 0 auto}
.dot.ok{background:var(--live,#3fb950)} .dot.wire{background:var(--amber-2,#d99620)}
.proof-pre{margin:0;font-family:ui-monospace,"SF Mono","JetBrains Mono",Menlo,Consolas,monospace;
  font-size:11.5px;line-height:1.5;color:var(--ink);white-space:pre-wrap;word-break:break-all;
  max-height:230px;overflow:auto}
.proof-verify{margin-top:11px;font-size:.9rem;line-height:1.5}
.proof-verify.ok{color:var(--live,#3fb950)} .proof-verify.bad{color:#c0392b}
.proof-note{font-size:.86rem;line-height:1.55;color:var(--muted);margin:16px 0 0}
.proof-toggle{display:inline-flex;align-items:center;gap:9px;font-size:.95rem;cursor:pointer;margin-bottom:14px}
.proof-toggle input{width:17px;height:17px;accent-color:var(--amber)}
.proof-chat{display:flex;gap:9px}
.proof-ask{flex:1 1 auto;min-width:0;border:1px solid var(--line);background:var(--surface-2);color:var(--ink);
  border-radius:11px;padding:11px 14px;font:inherit;font-size:.98rem}
.proof-ask:focus{outline:2px solid color-mix(in srgb,var(--amber-2,#d99620) 55%,transparent);outline-offset:1px}
.proof-reply{margin-top:14px;font-size:.98rem;line-height:1.55;color:var(--ink)}
.proof-reply:empty{display:none}
.proof-reply-tag{display:inline-block;font-size:.72rem;font-weight:600;letter-spacing:.03em;text-transform:uppercase;
  color:var(--live,#3fb950);background:color-mix(in srgb,var(--live,#3fb950) 14%,transparent);
  border-radius:999px;padding:2px 9px;margin-bottom:8px}
.proof-reply-tag.online{color:var(--amber-2,#d99620);background:color-mix(in srgb,var(--amber-2,#d99620) 16%,transparent)}
.proof-foot{font-size:.86rem;line-height:1.6;color:var(--faint,var(--muted));max-width:64ch;margin:30px auto 0;text-align:center}

/* -------------------------------------------------------------------------
   The showcase (/showcase.html): the loud "put it on trial" surface. Editorial.
   ------------------------------------------------------------------------- */
body.sc{background:var(--ground);color:var(--ink)}
.sc .topbar{position:sticky;top:0;justify-content:space-between;z-index:10}
.sc-main{max-width:960px;margin:0 auto;padding:0 20px 90px}
.sc-hero{padding:clamp(48px,10vw,110px) 0 clamp(32px,6vw,64px);text-align:center}
.sc-eyebrow{font-size:.82rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--amber);margin-bottom:18px}
.sc-h1{font-family:"Space Grotesk",system-ui,sans-serif;font-weight:600;
  font-size:clamp(2.3rem,7vw,4.4rem);line-height:1.02;letter-spacing:-.03em;text-wrap:balance;margin:0 0 22px}
.sc-lede{font-size:clamp(1.05rem,2.4vw,1.32rem);line-height:1.55;color:var(--muted);
  max-width:34ch;margin:0 auto 34px;text-wrap:pretty}
@media(min-width:640px){.sc-lede{max-width:56ch}}
.sc-cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.sc-btn{display:inline-flex;align-items:center;border-radius:12px;padding:13px 22px;font:inherit;
  font-size:1rem;font-weight:600;text-decoration:none;border:1px solid var(--line);color:var(--ink);
  background:var(--surface);transition:transform .12s ease,filter .15s ease,border-color .15s ease}
.sc-btn:hover{transform:translateY(-1px);border-color:color-mix(in srgb,var(--amber-2,#d99620) 45%,var(--line))}
.sc-btn.primary{background:var(--amber);color:#12100a;border-color:transparent}
.sc-btn.primary:hover{filter:brightness(1.06)}
.sc-sec{padding:clamp(36px,7vw,72px) 0;border-top:1px solid var(--line)}
.sc-h2{font-family:"Space Grotesk",system-ui,sans-serif;font-weight:600;font-size:clamp(1.5rem,4vw,2.2rem);
  letter-spacing:-.02em;text-wrap:balance;margin:0 0 28px;text-align:center}
.sc-p{font-size:clamp(1rem,2.2vw,1.15rem);line-height:1.6;color:var(--muted);max-width:64ch;margin:0 auto;text-align:center}
.sc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media(max-width:760px){.sc-grid{grid-template-columns:1fr}}
.sc-card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:24px;
  box-shadow:var(--shadow);display:flex;flex-direction:column;gap:8px}
.sc-ic{font-size:1.7rem;line-height:1}
.sc-verb{font-size:.78rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--amber)}
.sc-card h3{font-family:"Space Grotesk",system-ui,sans-serif;font-size:1.15rem;font-weight:600;margin:2px 0 4px}
.sc-card p{font-size:.95rem;line-height:1.55;color:var(--muted);margin:0}
.sc-band{text-align:center;padding:clamp(44px,8vw,88px) 24px;margin:clamp(24px,5vw,48px) 0;
  border-radius:22px;border:1px solid color-mix(in srgb,var(--amber-2,#d99620) 30%,var(--line));
  background:color-mix(in srgb,var(--amber-2,#d99620) 7%,var(--surface))}
.sc-band-p{font-size:clamp(1rem,2.3vw,1.2rem);line-height:1.6;color:var(--ink);max-width:60ch;margin:0 auto 26px}
.sc-moat em{font-style:normal;color:var(--ink)}
.sc-moat b{color:var(--ink)}
.sc-close{text-align:center;padding:clamp(48px,9vw,96px) 0 0}
.sc-close-p{font-family:"Space Grotesk",system-ui,sans-serif;font-size:clamp(1.3rem,3.5vw,2rem);
  font-weight:600;letter-spacing:-.01em;margin:0 0 26px}
.sc-fine{font-size:.85rem;color:var(--faint,var(--muted));max-width:56ch;margin:26px auto 0;line-height:1.6}

@media (prefers-reduced-motion:reduce){
  .msg.assistant.streaming .md:not(:empty)::after{animation:none}
  .msg.assistant.streaming .md:empty::before{animation:none}
  .msg{animation:none}
  .chat{scroll-behavior:auto}
  .drawer-panel{animation:none}
  .model-menu{animation:none}
  .sc-btn{transition:none}
}