/* Applied Ingredients web app (beta). Design: docs/DESIGN.md */
:root{
  --bg:#F7F5F0;--surface:#FFFFFF;--surface-2:#F0EDE8;--text:#1A1814;--muted:#6B6760;--faint:#A8A49E;
  --line:#E2DED8;--line-2:#EAE7E1;--accent:#6B63CC;--accent-ink:#4A42B0;--accent-hover:#5A52BC;--link:#5149B8;
  --ok:#13714F;--ok-soft:#E8F5EF;--gui:#4A42B0;--gui-soft:#EEEDFE;--warn:#8A4F12;--warn-soft:#FDF0E4;
  --sage:#C9D6C2;--lav:#CFC9F2;--apricot:#EFD9C6;--aura-base:#EDEAE3;
  --serif:Newsreader,Georgia,"Times New Roman",serif;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,system-ui,sans-serif;
  --r-sm:8px;--r-md:12px;--r-lg:14px;--r-xl:22px;
  --shadow:0 1px 2px rgba(26,24,20,.06),0 8px 24px rgba(26,24,20,.06);
  --nav-w:232px;
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;background:var(--bg);color:var(--text);font:15px/1.55 var(--sans);-webkit-font-smoothing:antialiased}
a{color:var(--link)}a:hover{color:#3E37A0}
button,input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.sr{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.serif{font-family:var(--serif);font-weight:400;letter-spacing:-.015em}
.sec{font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.muted{color:var(--muted)}
.num{text-align:right;font-variant-numeric:tabular-nums}

/* ---------- aura: the slowly moving colour field ---------- */
.aura{position:absolute;inset:0;overflow:hidden;background:var(--aura-base);pointer-events:none}
.aura-page{position:fixed;z-index:0;opacity:.45}
/* Each pool moves on four independent, compositor-only channels (translate / transform / scale / rotate)
   with unrelated durations, so the combined path never visibly repeats and never "turns round".
   Amplitudes are small and the scale change swaps width for height (shape evolves, area stays ~constant: no pulsing).
   Negative delays start every channel mid-cycle so nothing moves in step on load. */
.aura .blob{position:absolute;width:80vmax;height:80vmax;border-radius:50%;
  will-change:translate,transform,scale,rotate;backface-visibility:hidden;
  animation:aura-x var(--tx) ease-in-out var(--dx) infinite alternate,aura-y var(--ty) ease-in-out var(--dy) infinite alternate,
    aura-shape var(--ts) ease-in-out var(--ds) infinite alternate,aura-turn var(--tr) linear var(--dr) infinite}
.aura .b1{left:-28vmax;top:-34vmax;background:radial-gradient(circle,var(--sage) 0%,rgba(201,214,194,0) 62%);
  --tx:8s;--dx:-5s;--ty:9.5s;--dy:-7s;--ts:7s;--ds:-3s;--tr:90s;--dr:-40s}
.aura .b2{right:-30vmax;top:-26vmax;background:radial-gradient(circle,var(--lav) 0%,rgba(207,201,242,0) 62%);
  --tx:9.5s;--dx:-6s;--ty:7.5s;--dy:-2s;--ts:8.5s;--ds:-5s;--tr:110s;--dr:-120s;animation-direction:alternate,alternate,alternate,reverse}
.aura .b3{left:5vmax;bottom:-46vmax;background:radial-gradient(circle,var(--apricot) 0%,rgba(239,217,198,0) 62%);
  --tx:7.5s;--dx:-2s;--ty:9s;--dy:-6s;--ts:8s;--ds:-4s;--tr:80s;--dr:-75s}
.aura .grain{position:absolute;inset:0;width:100%;height:100%;opacity:.2;mix-blend-mode:multiply}
@keyframes aura-x{from{translate:-14vmax 0}to{translate:14vmax 0}}
@keyframes aura-y{from{transform:translate3d(0,-10vmax,0)}to{transform:translate3d(0,10vmax,0)}}
@keyframes aura-shape{from{scale:1.25 .8}to{scale:.8 1.25}}
@keyframes aura-turn{to{rotate:360deg}}
.paused .aura .blob{animation-play-state:paused}
@media (prefers-reduced-motion:reduce){.aura .blob{animation:none;will-change:auto}.pulse{animation:none!important}}

/* ---------- shell ---------- */
.shell{position:relative;z-index:1;display:flex;min-height:100vh}
.side{width:var(--nav-w);flex-shrink:0;position:sticky;top:0;height:100vh;padding:22px 14px;display:flex;flex-direction:column;gap:4px;
  border-right:1px solid var(--line);background:rgba(247,245,240,.72);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}
.brand{display:flex;align-items:center;gap:10px;padding:0 8px 20px;text-decoration:none;color:var(--text)}
.brand .mark{width:30px;height:30px;border-radius:9px;background:var(--accent);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.brand .name{font-family:var(--serif);font-size:19px;letter-spacing:-.015em}
.beta{font-size:10.5px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--accent-ink);background:var(--gui-soft);border-radius:999px;padding:2px 7px}
.nav{display:flex;align-items:center;gap:12px;min-height:44px;padding:0 12px;border-radius:10px;font-size:14.5px;color:#4D4A44;text-decoration:none;border:1px solid transparent}
.nav:hover{background:rgba(255,255,255,.6);color:var(--text)}
.nav[aria-current=page]{background:var(--surface);border-color:var(--line);color:var(--text);font-weight:600}
.nav[aria-current=page] svg{stroke:var(--accent)}
.nav .soon{margin-left:auto;font-size:11px;color:var(--muted);font-weight:500}
.recent{margin-top:18px;display:flex;flex-direction:column;gap:2px;min-height:0;overflow:auto}
.recent a{display:block;padding:7px 12px;border-radius:8px;font-size:13.5px;color:var(--muted);text-decoration:none;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.recent a:hover{background:rgba(255,255,255,.6);color:var(--text)}
.recent-head{display:flex;align-items:center;justify-content:space-between;padding:0 6px 6px 12px}
.recent .linkish{border:0;background:none;padding:2px 6px;border-radius:6px;font:inherit;font-size:12px;color:var(--muted);cursor:pointer}
.recent .linkish:hover,.recent .linkish:focus-visible{color:var(--text);background:rgba(255,255,255,.6)}
.recent .ri{position:relative;display:flex;align-items:center}
.recent .ri a{flex:1;min-width:0;padding-right:30px}
.recent .ri-x{position:absolute;right:4px;width:24px;height:24px;display:grid;place-items:center;border:0;border-radius:6px;background:none;color:var(--muted);cursor:pointer;opacity:0}
.recent .ri:hover .ri-x,.recent .ri-x:focus-visible{opacity:1}
.recent .ri-x:hover{background:rgba(255,255,255,.8);color:var(--text)}
@media (hover:none){.recent .ri-x{opacity:1}}
.toast button{border:0;background:none;padding:0;font:inherit;color:#D9D4FF;font-weight:600;cursor:pointer}
.side .note{margin-top:auto;display:flex;flex-direction:column;gap:4px;padding:12px;border-radius:12px;background:rgba(240,237,232,.85);font-size:12.5px;line-height:1.45;color:var(--muted)}
.side .note b{color:var(--text);font-weight:600}
.main{flex:1;min-width:0;padding:28px 40px 48px;display:flex;flex-direction:column;gap:24px}
.topbar,.tabs{display:none}

/* ---------- buttons, inputs ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:40px;padding:0 14px;border-radius:9px;border:1px solid #D4CFC8;background:var(--surface);color:var(--text);font-size:14px;font-weight:500;text-decoration:none;cursor:pointer;white-space:nowrap}
.btn:hover{border-color:#BDB7AE;color:var(--text)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}
.btn.primary:hover{background:var(--accent-hover);color:#fff}
.btn.ghost{border-color:transparent;background:transparent}
.btn.small{min-height:34px;padding:0 10px;font-size:13px}
.btn.danger{color:var(--warn)}
.btn[disabled]{opacity:.5;cursor:default}
.icon-btn{width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;border-radius:9px;border:1px solid var(--line);background:var(--surface);cursor:pointer;color:var(--text)}
.field{height:40px;border:1px solid #D4CFC8;border-radius:9px;background:var(--surface);padding:0 12px;font-size:14px;min-width:0}
.field:focus{outline:2px solid var(--accent);outline-offset:0;border-color:var(--accent)}
label.lbl{font-size:12.5px;color:var(--muted);display:flex;flex-direction:column;gap:4px}

/* ---------- pills, chips ---------- */
.pill{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;letter-spacing:.01em;padding:3px 9px;border-radius:999px;white-space:nowrap}
.pill.sup{background:var(--ok-soft);color:var(--ok)}.pill.gui{background:var(--gui-soft);color:var(--gui)}
.pill.req{background:var(--warn-soft);color:var(--warn)}.pill.nc{background:var(--surface-2);color:var(--muted)}
.chip{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;color:#4D4A44;background:var(--bg);border:1px solid var(--line);border-radius:6px;padding:3px 8px;text-decoration:none}
a.chip:hover{border-color:#BDB7AE}
.chips{display:flex;gap:6px;flex-wrap:wrap}

/* ---------- hero (chat home) ---------- */
.hero{position:relative;border-radius:var(--r-xl);overflow:hidden;min-height:440px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:24px;padding:48px 40px}
.hero>*:not(.aura){position:relative}
.hero h1{margin:0;font-family:var(--serif);font-weight:400;letter-spacing:-.02em;font-size:clamp(38px,5vw,60px);line-height:1.02;text-align:center}
.hero .sub{margin:-8px 0 0;color:#4D4A44;font-size:15.5px;text-align:center;max-width:560px}
.sug{display:inline-flex;align-items:center;min-height:40px;padding:0 14px;border-radius:999px;background:rgba(255,255,255,.72);border:1px solid rgba(255,255,255,.9);color:var(--text);font-size:14px;cursor:pointer}
.sug:hover{background:#fff}
.sugs{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;max-width:780px}
.tiles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.tile{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:20px;display:flex;flex-direction:column;gap:10px;text-decoration:none;color:var(--text)}
a.tile:hover{border-color:#CFC9C0;color:var(--text)}
.tile .big{font-family:var(--serif);font-size:24px;letter-spacing:-.015em;line-height:1.2}
.tile .meta{font-size:13.5px;line-height:1.5;color:var(--muted)}

/* ---------- composer ---------- */
.composer{width:100%;max-width:720px;display:flex;gap:8px;align-items:flex-end;background:var(--surface);border-radius:16px;padding:8px 8px 8px 18px;box-shadow:var(--shadow);border:1px solid rgba(212,207,200,.6)}
.composer textarea{flex:1;border:0;resize:none;background:transparent;font-size:16px;line-height:1.5;padding:10px 0;max-height:180px;min-height:44px}
.composer textarea:focus{outline:none}
.composer:focus-within{outline:2px solid var(--accent);outline-offset:1px}
.send{width:48px;height:48px;flex-shrink:0;border:0;border-radius:12px;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer}
.send:hover{background:var(--accent-hover)}.send[disabled]{opacity:.5;cursor:default}
.counter{font-size:12px;color:var(--muted);align-self:center;padding:0 4px}
.counter.over{color:var(--warn);font-weight:600}
.dock{position:sticky;bottom:0;padding:14px 0 18px;display:flex;justify-content:center;background:linear-gradient(rgba(247,245,240,0),rgba(247,245,240,.94) 36%)}

/* ---------- chat thread ---------- */
.thread{width:100%;max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:18px}
.thread-head{display:flex;align-items:center;gap:12px}
.thread-head h1{margin:0;font-family:var(--serif);font-weight:400;font-size:28px;letter-spacing:-.015em;flex:1}
.bubble{align-self:flex-end;background:var(--gui-soft);border-radius:14px 14px 4px 14px;padding:12px 16px;font-size:15px;max-width:min(560px,90%);white-space:pre-wrap;overflow-wrap:anywhere}
.answer{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:22px 26px;display:flex;flex-direction:column;gap:18px;box-shadow:0 1px 2px rgba(26,24,20,.03)}
.answer .meta-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:12.5px;color:var(--muted)}
.answer .meta-row .grow{flex:1}
.md{font-size:15px;line-height:1.6;overflow-wrap:anywhere}
.md>:first-child{margin-top:0}.md>:last-child{margin-bottom:0}
.md h1,.md h2{font-family:var(--serif);font-weight:500;font-size:22px;letter-spacing:-.01em;margin:22px 0 8px;line-height:1.25}
.md h3,.md h4{font-size:15.5px;font-weight:600;margin:18px 0 6px}
.md p{margin:8px 0}.md ul,.md ol{margin:8px 0;padding-left:22px}.md li{margin:3px 0}
.md hr{border:0;border-top:1px solid var(--line-2);margin:18px 0}
.md blockquote{margin:10px 0;padding:10px 14px;border-radius:10px;background:var(--bg);border:0;color:#4D4A44}
.md table{border-collapse:collapse;width:100%;font-size:13.5px;margin:10px 0;display:block;overflow-x:auto}
.md th,.md td{border-bottom:1px solid var(--line-2);padding:7px 10px;text-align:left;vertical-align:top}
.md th{font-size:11px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);background:var(--bg)}
.md code{font-size:13px;background:var(--bg);padding:1px 5px;border-radius:5px}
.block{display:flex;flex-direction:column;gap:10px}
.block-head{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.block-head .hint{font-size:12px;color:var(--faint)}
.disclaimer{font-size:11.5px;line-height:1.5;color:var(--muted);background:var(--bg);border-radius:8px;padding:10px 12px}
.pending{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:14.5px}
.dot{width:10px;height:10px;border-radius:50%;background:var(--accent)}
.pulse{animation:pulse 1.4s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:.25;transform:scale(.8)}50%{opacity:1;transform:scale(1)}}
.alert{display:flex;gap:10px;align-items:flex-start;background:var(--warn-soft);color:#5C3A10;border-radius:10px;padding:12px 14px;font-size:14px;line-height:1.5}
.alert svg{flex-shrink:0;margin-top:2px}
details.docs summary{cursor:pointer;font-size:13px;color:var(--muted)}
details.docs ul{margin:8px 0 0;padding-left:18px;font-size:13px;color:var(--muted)}
.actions{display:flex;gap:8px;flex-wrap:wrap}

/* ---------- product cards ---------- */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:12px}
.pcard{display:flex;gap:14px;align-items:flex-start;border:1px solid var(--line);border-radius:12px;padding:12px;background:var(--surface)}
.pcard .img{width:72px;height:72px;border-radius:8px;background:var(--surface-2);flex-shrink:0;overflow:hidden;display:flex;align-items:center;justify-content:center}
.pcard img{width:100%;height:100%;object-fit:cover}
.pcard .body{flex:1;min-width:0;display:flex;flex-direction:column;gap:6px}
.pcard .title{font-weight:600;font-size:14.5px;line-height:1.35}
.pcard .row{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.pcard .price{font-weight:600}
.size{font-size:12px;border:1px solid var(--line);border-radius:6px;padding:2px 7px;color:var(--muted)}
.size.na{text-decoration:line-through;opacity:.6}

/* ---------- tables (costing, builder) ---------- */
.tcard{background:var(--surface);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.tscroll{overflow-x:auto;position:relative}
.t td.ing{min-width:220px}
table.t{width:100%;border-collapse:collapse;font-size:14px}
table.t th{font-size:11px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);padding:10px 12px;text-align:left;border-bottom:1px solid var(--line);background:var(--bg);white-space:nowrap}
table.t td{padding:10px 12px;border-bottom:1px solid var(--line-2);vertical-align:middle}
table.t tr:last-child td{border-bottom:0}
table.t tfoot td{font-weight:600;border-top:1px solid var(--line);border-bottom:0;background:#FCFBF8}
table.t .sub{font-size:12.5px;color:var(--muted);font-weight:400}
.totals{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:8px}
.stat{background:var(--bg);border-radius:10px;padding:10px 12px}
.stat .k{font-size:12px;color:var(--muted)}.stat .v{font-weight:600;font-size:18px;font-variant-numeric:tabular-nums}
.stat .v.ok{color:var(--ok)}.stat .v.warn{color:var(--warn)}
.notsold{display:flex;gap:8px;align-items:center;flex-wrap:wrap;background:var(--warn-soft);color:#5C3A10;border-radius:10px;padding:10px 12px;font-size:13.5px}
.notsold .chip{background:rgba(255,255,255,.6);border-color:rgba(138,79,18,.2);color:#5C3A10}
.foot-note{font-size:12px;color:var(--muted)}

/* ---------- builder ---------- */
.page-head{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.page-head h1{margin:0;font-family:var(--serif);font-weight:400;font-size:34px;letter-spacing:-.015em;line-height:1.1}
.page-head .grow{flex:1}
.page-head .lede{flex-basis:100%;margin:0;color:var(--muted);max-width:640px}
.b-name{font-family:var(--serif);font-size:28px;letter-spacing:-.015em;border:1px solid transparent;border-radius:8px;background:transparent;padding:2px 6px;margin-left:-6px;min-width:0;width:100%}
.b-name:hover{border-color:var(--line)}.b-name:focus{outline:2px solid var(--accent);background:#fff}
.builder{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:24px;align-items:start}
.b-controls{display:flex;gap:12px;align-items:flex-end;flex-wrap:wrap}
.b-controls .field{width:110px}
.pct{width:78px;height:36px;border:1px solid #D4CFC8;border-radius:7px;text-align:right;padding:0 8px;font-size:14px;font-variant-numeric:tabular-nums;background:#fff}
.role{width:100%;min-width:84px;height:32px;border:1px solid transparent;border-radius:6px;background:transparent;padding:0 6px;font-size:13px;color:var(--muted)}
.role:hover{border-color:var(--line)}.role:focus{background:#fff}
.own{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;color:var(--muted);margin-top:4px;cursor:pointer}
.adder{position:relative;display:flex;gap:8px;flex-wrap:wrap;padding:12px}
.adder .field{flex:1;min-width:220px}
.results{position:absolute;left:12px;right:12px;top:56px;z-index:20;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:var(--shadow);max-height:320px;overflow:auto;padding:4px;margin:0;list-style:none}
.results li{padding:9px 12px;border-radius:7px;cursor:pointer;display:flex;justify-content:space-between;gap:10px;font-size:14px}
.results li[aria-selected=true],.results li:hover{background:var(--gui-soft)}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:16px 18px;display:flex;flex-direction:column;gap:4px}
.panel-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:6px;gap:8px}
.line{display:flex;justify-content:space-between;align-items:center;padding:8px 0;border-bottom:1px solid var(--line-2);font-size:13.5px;gap:10px}
.line:last-child{border-bottom:0}
.line .d{display:flex;flex-direction:column;gap:2px}.line .d small{font-size:12px;color:var(--muted)}
.side-col{display:flex;flex-direction:column;gap:16px;position:sticky;top:20px}
.side-col .totals{grid-template-columns:repeat(3,minmax(0,1fr))}.side-col .stat .v{font-size:16px}

/* ---------- lists: formulations, projects, regulatory ---------- */
.grid-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}
.fcard{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:18px;display:flex;flex-direction:column;gap:8px;text-decoration:none;color:var(--text)}
a.fcard:hover{border-color:#CFC9C0;color:var(--text)}
.fcard .big{font-family:var(--serif);font-size:22px;letter-spacing:-.015em;line-height:1.2}
.fcard .meta{display:flex;gap:12px;flex-wrap:wrap;font-size:13px;color:var(--muted)}
.empty{background:rgba(255,255,255,.7);border:1px dashed #D4CFC8;border-radius:var(--r-lg);padding:28px;text-align:center;color:var(--muted);display:flex;flex-direction:column;align-items:center;gap:12px}
.search{display:flex;gap:8px;max-width:720px}
.search .field{flex:1;height:48px;font-size:16px;border-radius:12px}
.search .btn{min-height:48px;border-radius:12px}
.reg{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:18px 20px;display:flex;flex-direction:column;gap:10px}
.reg h3{margin:0;font-size:16px;font-weight:600;overflow-wrap:anywhere}
.reg dl{display:grid;grid-template-columns:170px minmax(0,1fr);gap:6px 14px;margin:0;font-size:14px}
.reg dt{color:var(--muted)}.reg dd{margin:0;white-space:pre-line;overflow-wrap:anywhere}
.proj{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:18px 20px;display:flex;flex-direction:column;gap:10px}
.proj-head{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.proj-head input{flex:1;font-family:var(--serif);font-size:22px;border:1px solid transparent;border-radius:8px;background:transparent;padding:2px 6px;margin-left:-6px;min-width:160px}
.proj-head input:hover{border-color:var(--line)}.proj-head input:focus{background:#fff;outline:2px solid var(--accent)}
.proj ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column}
.proj li{display:flex;gap:10px;align-items:center;justify-content:space-between;padding:8px 0;border-top:1px solid var(--line-2);font-size:14px}
.soon-hero{position:relative;border-radius:var(--r-xl);overflow:hidden;padding:56px 40px;display:flex;flex-direction:column;gap:14px;align-items:flex-start}
.soon-hero>*:not(.aura){position:relative;max-width:620px}
.soon-hero h1{margin:0;font-family:var(--serif);font-weight:400;font-size:44px;letter-spacing:-.02em;line-height:1.05}

/* ---------- toast, dialog ---------- */
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);z-index:60;background:var(--text);color:#fff;border-radius:10px;padding:10px 14px;font-size:14px;display:flex;gap:12px;align-items:center;box-shadow:var(--shadow);max-width:calc(100vw - 32px)}
.toast a{color:#D9D4FF;font-weight:600}
dialog{border:1px solid var(--line);border-radius:14px;padding:0;max-width:440px;width:calc(100vw - 32px);box-shadow:var(--shadow)}
dialog::backdrop{background:rgba(26,24,20,.28)}
.dlg{padding:20px;display:flex;flex-direction:column;gap:12px}
.dlg h2{margin:0;font-family:var(--serif);font-weight:400;font-size:24px}
.dlg .opts{display:flex;flex-direction:column;gap:6px;max-height:260px;overflow:auto}
.dlg .opts button{text-align:left;justify-content:flex-start}

/* ---------- responsive ---------- */
@media (max-width:1180px){.builder{grid-template-columns:minmax(0,1fr)}.side-col{position:static}}
@media (max-width:1023px){
  :root{--nav-w:72px}
  .side{padding:18px 10px;align-items:center}
  .brand .name,.brand .beta,.nav span,.nav .soon,.side .recent,.side .note{display:none}
  .brand{padding:0 0 18px}
  .nav{width:48px;justify-content:center;padding:0}
  .tiles{grid-template-columns:1fr 1fr}
  .main{padding:24px 24px 40px}
}
@media (max-width:639px){
  .side{display:none}
  .topbar{display:flex;align-items:center;gap:10px;position:sticky;top:0;z-index:30;height:56px;padding:0 16px;background:rgba(247,245,240,.86);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
  .topbar .brand{padding:0}.topbar .brand .name{display:inline;font-size:18px}.topbar .grow{flex:1}
  .tabs{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:30;height:64px;padding-bottom:env(safe-area-inset-bottom);background:rgba(255,255,255,.92);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-top:1px solid var(--line)}
  .tabs a{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;font-size:11px;color:var(--muted);text-decoration:none;min-height:44px}
  .tabs a[aria-current=page]{color:var(--accent-ink);font-weight:600}
  .tabs a[aria-current=page] svg{stroke:var(--accent)}
  .shell{flex-direction:column}
  .main{padding:16px 16px 88px;gap:18px}
  .hero{min-height:0;padding:36px 16px 28px;border-radius:18px;gap:18px}
  .hero .sub{font-size:14.5px}
  .tiles{grid-template-columns:1fr}
  .composer{padding:6px 6px 6px 14px}
  .dock{bottom:64px;padding:10px 0 12px}
  .answer{padding:16px}
  .cards{grid-template-columns:1fr}
  .page-head h1{font-size:28px}
  .reg dl{grid-template-columns:1fr}.reg dt{margin-top:6px}
  .toast{bottom:80px}
  .soon-hero{padding:36px 20px}.soon-hero h1{font-size:34px}
  .search .btn{padding:0 12px}
}

/* Recent questions on the Chat home: phones and tablets only (the sidebar list covers desktop). */
.recent-m{display:none}
@media (max-width:1023px){
  .recent-m:not([hidden]){display:flex;margin:16px 0 0;padding:12px 8px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg)}
  .recent-m .ri a{white-space:nowrap}
}