/* Layout: a calm header, one large soft-green stage holding the model, a floor switch, system chips and a reveal panel; brief plan notes below. */
:root{
  --a-page:#F7F9F6; --a-stage:#E7EFE4; --a-ink:#17221C; --a-muted:#66756C; --a-faint:#93A199; --a-line:#D5E0D1;
  --a-card:#FFFFFF; --a-card-edge:rgba(23,34,28,.08); --a-accent:#2E6A46; --a-accent-soft:rgba(46,106,70,.12); --a-chip:rgba(255,255,255,.72);
  --a-slab-top:#FCFDFB; --a-slab-a:#DCE6D8; --a-slab-b:#CCD9C7; --a-wall-top:#FFFFFF; --a-wall-a:#E3EBDF; --a-wall-b:#D0DCCB;
  --a-furn-top:#F1F5EF; --a-furn-a:#DCE5D7; --a-furn-b:#CCD8C7; --a-dark-top:#9AA49E; --a-dark-a:#838D87; --a-dark-b:#737D77;
  --a-glass:rgba(110,165,195,.26); --a-lawn:#CFE3C0; --a-patio:#E5EAE0; --a-plant:#ADCF98; --a-soil:#CDBFA6; --a-edge:rgba(23,34,28,.20);
  --a-c-light:#C4860A; --a-c-heat:#CF5329; --a-c-water:#1D7BC0; --a-c-hot:#D6433A; --a-c-power:#A5357A; --a-c-net:#504CC6;
  --a-c-av:#0D8A81; --a-c-sec:#334F6C; --a-c-garden:#2C873C; --a-c-voice:#1B201D;
  --a-sans:"Geist", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --a-mono:"Geist Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --a-page:#0D1410; --a-stage:#132019; --a-ink:#E4EDE7; --a-muted:#9AAEA2; --a-faint:#6E8276; --a-line:#25352C;
    --a-card:#18251E; --a-card-edge:rgba(228,237,231,.09); --a-accent:#7CC69A; --a-accent-soft:rgba(124,198,154,.15); --a-chip:rgba(24,37,30,.78);
    --a-slab-top:#22332A; --a-slab-a:#1B2922; --a-slab-b:#16221C; --a-wall-top:#2E4137; --a-wall-a:#24352C; --a-wall-b:#1E2D25;
    --a-furn-top:#2A3B32; --a-furn-a:#223129; --a-furn-b:#1C2922; --a-dark-top:#55625B; --a-dark-a:#47534D; --a-dark-b:#3D4842;
    --a-glass:rgba(120,180,210,.20); --a-lawn:#21422B; --a-patio:#25322B; --a-plant:#2E5C35; --a-soil:#4B4337; --a-edge:rgba(214,235,222,.14);
    --a-c-light:#F2B83C; --a-c-heat:#FF8A5B; --a-c-water:#5BB2F0; --a-c-hot:#FF7266; --a-c-power:#E57CBA; --a-c-net:#A09DFF;
    --a-c-av:#4FD0C3; --a-c-sec:#9CB6D6; --a-c-garden:#6FCF7E; --a-c-voice:#F1F5F2;
    color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --a-page:#0D1410; --a-stage:#132019; --a-ink:#E4EDE7; --a-muted:#9AAEA2; --a-faint:#6E8276; --a-line:#25352C;
  --a-card:#18251E; --a-card-edge:rgba(228,237,231,.09); --a-accent:#7CC69A; --a-accent-soft:rgba(124,198,154,.15); --a-chip:rgba(24,37,30,.78);
  --a-slab-top:#22332A; --a-slab-a:#1B2922; --a-slab-b:#16221C; --a-wall-top:#2E4137; --a-wall-a:#24352C; --a-wall-b:#1E2D25;
  --a-furn-top:#2A3B32; --a-furn-a:#223129; --a-furn-b:#1C2922; --a-dark-top:#55625B; --a-dark-a:#47534D; --a-dark-b:#3D4842;
  --a-glass:rgba(120,180,210,.20); --a-lawn:#21422B; --a-patio:#25322B; --a-plant:#2E5C35; --a-soil:#4B4337; --a-edge:rgba(214,235,222,.14);
  --a-c-light:#F2B83C; --a-c-heat:#FF8A5B; --a-c-water:#5BB2F0; --a-c-hot:#FF7266; --a-c-power:#E57CBA; --a-c-net:#A09DFF;
  --a-c-av:#4FD0C3; --a-c-sec:#9CB6D6; --a-c-garden:#6FCF7E; --a-c-voice:#F1F5F2;
  color-scheme:dark;
}
.about-app, .about-app *{box-sizing:border-box}
.about-app{background:var(--a-page)}
.about-app{margin:0;color:var(--a-ink);font-family:var(--a-sans);font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased}
.about-app .page{max-width:1280px;margin:0 auto;padding-inline:clamp(16px,4vw,48px);padding-block:clamp(40px,7vw,88px) 96px}
.about-app .hero{text-align:center;display:grid;gap:12px;justify-items:center;margin-bottom:clamp(28px,4vw,44px)}
.about-app .eyebrow{margin:0;font-size:13px;font-weight:500;color:var(--a-accent);letter-spacing:.01em}
.about-app h1{margin:0;font-weight:600;font-size:clamp(34px,5.6vw,60px);line-height:1.04;letter-spacing:-.03em;text-wrap:balance}
.about-app .sub{margin:0;color:var(--a-muted);font-size:clamp(16px,1.6vw,19px)}

.about-app .stage{position:relative;border-radius:28px;background:var(--a-stage);overflow:hidden;height:min(78vh,760px);min-height:560px;outline:none}
.about-app .stage:focus-visible{box-shadow:0 0 0 3px var(--a-accent-soft)}
.about-app #scene{position:absolute;inset:0;width:100%;height:100%;display:block;cursor:grab;touch-action:pan-y}
.about-app #scene.dragging{cursor:grabbing}
.about-app .top-bar{position:absolute;top:16px;left:16px;right:16px;z-index:4;display:flex;justify-content:space-between;align-items:center;gap:10px;pointer-events:none}
.about-app .top-bar > *{pointer-events:auto}
.about-app .seg{display:inline-flex;padding:3px;border-radius:999px;background:var(--a-chip);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid var(--a-card-edge)}
.about-app .seg button{appearance:none;border:0;background:transparent;color:var(--a-muted);font:500 13px var(--a-sans);height:30px;padding:0 14px;border-radius:999px;cursor:pointer}
.about-app .seg button[aria-pressed="true"]{background:var(--a-card);color:var(--a-ink);box-shadow:0 1px 2px rgba(0,0,0,.08)}
.about-app .icons{display:inline-flex;gap:6px}
.about-app .icon{appearance:none;width:36px;height:36px;border-radius:50%;border:1px solid var(--a-card-edge);background:var(--a-chip);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);color:var(--a-ink);display:grid;place-items:center;cursor:pointer}
.about-app .icon svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.about-app .seg button:focus-visible,.about-app .icon:focus-visible,.about-app .chip:focus-visible,.about-app .p-close:focus-visible,.about-app .p-chip:focus-visible{outline:2px solid var(--a-accent);outline-offset:2px}

.about-app .chips{position:absolute;left:0;right:0;bottom:0;z-index:4;display:flex;gap:8px;padding:16px;overflow-x:auto;scrollbar-width:none;justify-content:safe center}
.about-app .chips::-webkit-scrollbar{display:none}
.about-app .chip{flex:none;appearance:none;display:inline-flex;align-items:center;gap:8px;border:1px solid var(--a-card-edge);background:var(--a-chip);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);color:var(--a-ink);border-radius:999px;height:38px;padding:0 15px 0 12px;font:500 14px var(--a-sans);cursor:pointer;white-space:nowrap;transition:background .2s ease,color .2s ease}
.about-app .chip .dot{width:8px;height:8px;border-radius:50%;background:var(--c)}
.about-app .chip[aria-pressed="true"]{background:var(--a-ink);color:var(--a-page);border-color:transparent}

.about-app .panel{position:absolute;z-index:5;top:66px;right:16px;width:min(340px,36%);max-height:calc(100% - 140px);overflow:auto;background:var(--a-card);border:1px solid var(--a-card-edge);border-radius:22px;padding:22px 22px 0;box-shadow:0 12px 40px rgba(20,40,28,.10);opacity:0;transform:translateY(8px) scale(.98);transform-origin:top right;pointer-events:none;transition:opacity .35s ease,transform .35s cubic-bezier(.2,.8,.2,1)}
.about-app .panel.open{opacity:1;transform:none;pointer-events:auto}
.about-app .p-head{display:flex;align-items:center;gap:8px;margin-bottom:10px}
.about-app .p-dot{width:10px;height:10px;border-radius:50%;background:var(--c)}
.about-app .p-kicker{font-size:12px;font-weight:500;color:var(--a-muted)}
.about-app .p-close{margin-left:auto;appearance:none;border:0;background:var(--a-accent-soft);color:var(--a-ink);width:28px;height:28px;border-radius:50%;font:400 15px/1 var(--a-sans);cursor:pointer}
.about-app .panel h2{margin:0 0 6px;font-size:24px;line-height:1.15;font-weight:600;letter-spacing:-.02em}
.about-app .panel .p-line{margin:0 0 16px;color:var(--a-muted);font-size:15px;line-height:1.45}
.about-app .panel ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.about-app .panel li{display:flex;gap:10px;align-items:baseline;font-size:15px;line-height:1.4}
.about-app .panel li::before{content:"";flex:none;width:5px;height:5px;border-radius:50%;background:var(--c);transform:translateY(-2px)}
.about-app .p-focus{margin:0 0 12px;font-size:13px;color:var(--a-muted)}
.about-app .p-focus strong{color:var(--a-ink);font-weight:500}
.about-app .p-siri{margin:18px 0 0;padding:12px 14px;border-radius:14px;background:var(--a-accent-soft);font-size:15px}
.about-app .p-siri span{display:block;font-size:12px;color:var(--a-muted);margin-bottom:2px}
.about-app .p-chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:4px}
.about-app .p-chip{appearance:none;display:inline-flex;align-items:center;gap:6px;border:1px solid var(--a-card-edge);background:transparent;color:var(--a-ink);border-radius:999px;height:30px;padding:0 11px 0 9px;font:500 13px var(--a-sans);cursor:pointer}
.about-app .p-chip i{width:7px;height:7px;border-radius:50%;background:var(--c)}
.about-app .tip{position:absolute;z-index:6;left:0;top:0;pointer-events:none;background:var(--a-ink);color:var(--a-page);font:500 12.5px/1.3 var(--a-sans);padding:7px 10px;border-radius:9px;white-space:nowrap;opacity:0;transition:opacity .12s ease}
.about-app .tip small{display:block;font-weight:400;font-size:11.5px;opacity:.7}
.about-app .hint{position:absolute;left:50%;bottom:70px;transform:translateX(-50%);z-index:3;font-size:13px;color:var(--a-muted);white-space:nowrap;transition:opacity .3s ease;pointer-events:none}
.about-app .hint.hide{opacity:0}
.about-app .sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

.about-app .notes{margin-top:clamp(56px,8vw,96px);display:grid;gap:clamp(28px,4vw,40px)}
.about-app .notes > header{text-align:center;display:grid;gap:10px;justify-items:center}
.about-app .notes h2{margin:0;font-size:clamp(26px,3.4vw,36px);font-weight:600;letter-spacing:-.025em;text-wrap:balance}
.about-app .notes .sub{max-width:52ch}
.about-app .cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.about-app .card{background:var(--a-card);border:1px solid var(--a-card-edge);border-radius:22px;padding:24px;min-width:0}
.about-app .card h3{margin:0 0 8px;font-size:17px;font-weight:600;letter-spacing:-.01em}
.about-app .card p{margin:0;color:var(--a-muted);font-size:15px}
.about-app .card ul{margin:0;padding:0;list-style:none;display:grid;gap:8px;font-size:15px;color:var(--a-muted)}
.about-app .card li strong{color:var(--a-ink);font-weight:500}
.about-app .kit{display:grid;gap:10px}
.about-app .kit div{display:flex;justify-content:space-between;gap:12px;align-items:baseline;font-size:15px;border-bottom:1px solid var(--a-line);padding-bottom:10px}
.about-app .kit div:last-child{border-bottom:0;padding-bottom:0}
.about-app .kit span:first-child{color:var(--a-ink)}
.about-app .kit span:last-child{color:var(--a-muted);text-align:right}
.about-app .tag{display:inline-block;font-size:12px;font-weight:500;padding:2px 8px;border-radius:999px;margin-left:6px;vertical-align:1px}
.about-app .tag.keep{background:var(--a-accent-soft);color:var(--a-accent)}
.about-app .tag.swap{background:rgba(207,83,41,.12);color:var(--a-c-heat)}
.about-app .tag.add{background:rgba(80,76,198,.12);color:var(--a-c-net)}
.about-app .span2{grid-column:span 2}
.about-app .foot{text-align:center;color:var(--a-faint);font-size:13px;margin-top:8px}


.about-app .plan-pill{position:absolute;top:16px;left:50%;z-index:5;display:inline-flex;align-items:center;gap:12px;height:38px;padding:0 5px 0 16px;border-radius:999px;border:0;background:var(--a-ink);color:var(--a-page);font:500 14px var(--a-sans);cursor:pointer;opacity:0;transform:translate(-50%,-8px);pointer-events:none;transition:opacity .3s ease,transform .3s ease;white-space:nowrap}
.about-app .plan-pill.show{opacity:1;transform:translate(-50%,0);pointer-events:auto}
.about-app .plan-pill .go{display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;background:var(--a-page);color:var(--a-ink)}
.about-app .plan-pill:focus-visible{outline:2px solid var(--a-accent);outline-offset:2px}
.about-app .p-add{position:sticky;bottom:0;margin-top:18px;padding:14px 0 18px;border-top:1px solid var(--a-card-edge);background:var(--a-card);display:flex;align-items:center;justify-content:space-between;gap:12px}
.about-app .panel > :last-child:not(.p-add){margin-bottom:20px}
.about-app .p-price{font-size:13px;color:var(--a-muted);line-height:1.3}
.about-app .p-price strong{display:block;color:var(--a-ink);font-size:18px;font-weight:600;letter-spacing:-.01em}
.about-app .btn{appearance:none;border:0;border-radius:999px;height:40px;padding:0 18px;font:500 14px var(--a-sans);cursor:pointer;background:var(--a-ink);color:var(--a-page);white-space:nowrap;display:inline-flex;align-items:center;justify-content:center;gap:6px}
.about-app .btn.soft{background:var(--a-accent-soft);color:var(--a-ink)}
.about-app .btn.added{background:var(--a-accent);color:var(--a-page)}
.about-app .btn.wide{width:100%;height:48px;font-size:15px}
.about-app .btn:focus-visible{outline:2px solid var(--a-accent);outline-offset:2px}
.about-app .sheet-wrap{position:fixed;inset:0;z-index:50;display:grid;place-items:center;padding:20px;background:rgba(10,20,14,.36);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);opacity:0;pointer-events:none;transition:opacity .3s ease}
.about-app .sheet-wrap.open{opacity:1;pointer-events:auto}
.about-app .sheet{position:relative;width:min(520px,100%);max-height:min(90vh,880px);overflow:auto;background:var(--a-card);border-radius:28px;padding:28px 28px 24px;transform:translateY(18px);transition:transform .4s cubic-bezier(.2,.8,.2,1);box-shadow:0 24px 70px rgba(10,30,18,.22)}
.about-app .sheet-wrap.open .sheet{transform:none}
.about-app .sheet .x{position:absolute;top:18px;right:18px;appearance:none;border:0;width:32px;height:32px;border-radius:50%;background:var(--a-accent-soft);color:var(--a-ink);font:400 15px/1 var(--a-sans);cursor:pointer}
.about-app .sheet h2{margin:0 0 4px;font-size:28px;font-weight:600;letter-spacing:-.025em}
.about-app .sheet .s-sub{margin:0 0 22px;color:var(--a-muted);font-size:15px}
.about-app .q-lines{display:grid;gap:2px;margin:0 0 18px;padding:0;list-style:none}
.about-app .q-line{display:grid;grid-template-columns:10px 1fr auto auto;gap:12px;align-items:center;padding:12px 0;border-bottom:1px solid var(--a-card-edge)}
.about-app .q-line i{width:9px;height:9px;border-radius:50%;background:var(--c)}
.about-app .q-line b{display:block;font-weight:500;font-size:15px}
.about-app .q-line small{display:block;color:var(--a-muted);font-size:13px}
.about-app .q-line .amt{font-size:15px;font-weight:500;text-align:right;white-space:nowrap}
.about-app .q-line .amt.muted{color:var(--a-muted);font-weight:400;font-size:13px}
.about-app .q-line .rm{appearance:none;border:0;background:transparent;color:var(--a-faint);width:28px;height:28px;border-radius:50%;cursor:pointer;font-size:14px}
.about-app .q-line .rm:hover{background:var(--a-accent-soft);color:var(--a-ink)}
.about-app .q-total{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin:4px 0 6px}
.about-app .q-total span{color:var(--a-muted);font-size:14px}
.about-app .q-total strong{font-size:30px;font-weight:600;letter-spacing:-.03em}
.about-app .q-note{margin:0 0 18px;color:var(--a-muted);font-size:13px}
.about-app .q-nudge{display:flex;justify-content:space-between;align-items:center;gap:12px;margin:0 0 20px;padding:14px 16px;border-radius:16px;background:var(--a-accent-soft);font-size:14px}
.about-app .q-steps{display:grid;gap:10px;margin:0 0 22px;padding:0;list-style:none;counter-reset:s}
.about-app .q-steps li{display:grid;grid-template-columns:26px 1fr;gap:10px;font-size:14px;color:var(--a-muted);counter-increment:s}
.about-app .q-steps li::before{content:counter(s);display:grid;place-items:center;width:24px;height:24px;border-radius:50%;background:var(--a-accent-soft);color:var(--a-ink);font-weight:500;font-size:12px}
.about-app .q-steps strong{color:var(--a-ink);font-weight:500}
.about-app .q-actions{display:grid;gap:10px}
.about-app .empty{color:var(--a-muted);font-size:15px;margin:0 0 20px}
.about-app .doc-wrap .sheet{width:min(780px,100%);padding:20px;background:var(--a-stage)}
.about-app .doc{background:#FFFFFF;color:#17221C;border-radius:18px;padding:clamp(22px,4vw,44px);box-shadow:0 1px 2px rgba(0,0,0,.06)}
.about-app .doc-top{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:28px;flex-wrap:wrap}
.about-app .doc-brand{font-weight:600;font-size:15px;letter-spacing:-.01em}
.about-app .doc-brand span{display:block;font-weight:400;color:#66756C;font-size:13px}
.about-app .doc-ref{text-align:right;font-family:var(--a-mono);font-size:12px;color:#66756C;line-height:1.6}
.about-app .doc h3{margin:0 0 6px;font-size:clamp(26px,4vw,34px);font-weight:600;letter-spacing:-.025em;color:#17221C}
.about-app .doc .lead{margin:0 0 26px;color:#66756C;font-size:15px}
.about-app .doc h4{margin:26px 0 10px;font-size:12px;font-weight:500;letter-spacing:.06em;text-transform:uppercase;color:#66756C}
.about-app .doc table{width:100%;border-collapse:collapse;font-size:14px}
.about-app .doc td{padding:12px 0;border-bottom:1px solid #E3E9E0;vertical-align:top}
.about-app .doc td:last-child{text-align:right;white-space:nowrap;padding-left:16px}
.about-app .doc td small{display:block;color:#66756C;font-size:13px;margin-top:2px}
.about-app .doc .tot td{border-bottom:0;padding-top:16px;font-size:16px}
.about-app .doc .tot td:last-child{font-size:22px;font-weight:600;letter-spacing:-.02em}
.about-app .doc ul,.about-app .doc ol{margin:0;padding-left:20px;display:grid;gap:6px;font-size:14px;color:#2B3731}
.about-app .doc .fine{margin-top:24px;font-size:12.5px;color:#66756C}
.about-app .doc-foot{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-top:28px;padding-top:16px;border-top:1px solid #E3E9E0;font-size:13px;color:#66756C}
.about-app .doc-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:16px}
.about-app .book{margin-top:12px;background:var(--a-card);border-radius:18px;padding:20px;display:grid;gap:12px}
.about-app .book[hidden]{display:none!important}
.about-app .book h4{margin:0;font-size:17px;font-weight:600}
.about-app .book p{margin:0;color:var(--a-muted);font-size:14px}
.about-app .field{display:grid;gap:6px}
.about-app .field label{font-size:13px;color:var(--a-muted)}
.about-app .field input{height:44px;border-radius:12px;border:1px solid var(--a-card-edge);background:var(--a-page);color:var(--a-ink);padding:0 14px;font:400 15px var(--a-sans)}
.about-app .field input:focus{outline:2px solid var(--a-accent);outline-offset:1px}
.about-app .err{color:#C0392B;font-size:13px;min-height:1em}
.about-app .done{padding:14px 16px;border-radius:14px;background:var(--a-accent-soft);font-size:14px}
@media (max-width:640px){
  .about-app .plan-pill{top:58px}
  .about-app .sheet-wrap{padding:0;place-items:end stretch}
  .about-app .sheet{width:100%;max-height:94vh;border-radius:26px 26px 0 0;padding:26px 20px 22px}
  .about-app .doc-wrap .sheet{padding:12px}
  .about-app .doc-actions{grid-template-columns:1fr}
}


.about-app .p-add{flex-direction:column;align-items:stretch;gap:10px}
.about-app .p-prod{display:flex;align-items:center;justify-content:space-between;gap:12px}
.about-app .p-prod b{display:block;font-weight:600;font-size:15px;letter-spacing:-.01em}
.about-app .p-prod small{display:block;color:var(--a-muted);font-size:13px}
.about-app .p-prod .btn{height:36px;padding:0 16px;flex:none}
.about-app .p-inc{flex:none;font-size:13px;font-weight:500;color:var(--a-accent);background:var(--a-accent-soft);padding:6px 12px;border-radius:999px}
.about-app .q-assist{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:0 0 6px;font-size:14px;color:var(--a-muted)}
.about-app .seg.small{background:var(--a-accent-soft);border:0}
.about-app .seg.small button{height:28px;font-size:13px}

@media (max-width:900px){ .about-app .cards{grid-template-columns:minmax(0,1fr)} .about-app .span2{grid-column:auto} }
@media (max-width:640px){
  .about-app .page{padding-inline:0}
  .about-app .hero,.about-app .notes{padding-inline:20px}
  .about-app .stage{border-radius:0;height:82vh;min-height:600px}
  .about-app .top-bar{top:12px;left:12px;right:12px}
  .about-app .seg button{padding:0 12px}
  .about-app .chips{justify-content:flex-start;padding:12px}
  .about-app .panel{left:10px;right:10px;top:auto;bottom:66px;width:auto;max-height:46%;transform:translateY(16px);border-radius:22px;padding:18px 18px 0}
  .about-app .plan-pill{height:34px;font-size:13px}
  .about-app .plan-pill .go{height:26px}
  .about-app .panel h2{font-size:21px}
  .about-app .panel .p-line{margin-bottom:12px}
  .about-app .panel ul{gap:7px}
  .about-app .p-siri{margin-top:12px;padding:10px 12px}
  .about-app .hint{bottom:62px}
}
@media (prefers-reduced-motion:reduce){ .about-app .panel,.about-app .tip,.about-app .hint,.about-app .chip{transition:none} }

:root{--a-page:var(--bg);--a-ink:var(--ink);--a-muted:var(--muted);--a-card:var(--surface);--a-line:var(--line);--a-card-edge:var(--line);--a-accent:var(--accent-ink);--a-accent-soft:var(--chip);}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){--a-page:var(--bg);--a-ink:var(--ink);--a-muted:var(--muted);--a-card:var(--surface);--a-line:var(--line);--a-card-edge:var(--line);--a-accent:var(--accent-ink);--a-accent-soft:var(--chip);}}
:root[data-theme="dark"]{--a-page:var(--bg);--a-ink:var(--ink);--a-muted:var(--muted);--a-card:var(--surface);--a-line:var(--line);--a-card-edge:var(--line);--a-accent:var(--accent-ink);--a-accent-soft:var(--chip);}
.about-app .page{padding-top:130px}
@media (max-width:640px){.about-app .page{padding-top:110px}}