/* Base styles (the Artifact viewer normally provides these) */
:root{color-scheme:light;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
body{margin:0}
img{max-width:100%}
[hidden]{display:none!important}

/* Layout: one 56rem column. Splash with growing hair, then a switch grid with a sticky Detect bar, a neural-network loader, and results (pie + ranked expandable cards). */
:root{
  --bg:#EEF4F2;
  --surface:#FFFFFF;
  --surface-2:#E3ECE9;
  --ink:#10302E;
  --ink-soft:#4A6663;
  --line:#CFDDD9;
  --accent:#0B7A75;
  --accent-ink:#FFFFFF;
  --accent-soft:#D5EDEA;
  --c1:#0B7A75;
  --c2:#3B5BA9;
  --c3:#B3425F;
  --on-slice:#FFFFFF;
  --danger:#A8322F;
  --danger-soft:#F7E1E0;
  --shadow:0 1px 2px rgba(16,48,46,.06),0 10px 28px rgba(16,48,46,.08);
  --font-display:'Bricolage Grotesque',system-ui,sans-serif;
  --font-body:'Figtree',system-ui,sans-serif;
  --font-mono:'IBM Plex Mono',ui-monospace,monospace;
  --radius:16px;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#0C1A19;--surface:#132826;--surface-2:#1B3331;--ink:#E3F1EE;--ink-soft:#9DBAB5;--line:#27443F;
    --accent:#4CC9C0;--accent-ink:#06201E;--accent-soft:#17403D;
    --c1:#4CC9C0;--c2:#92A9F2;--c3:#F08BA4;--on-slice:#0A1A19;
    --danger:#F19A97;--danger-soft:#3A1F1F;
    --shadow:0 1px 2px rgba(0,0,0,.4),0 10px 28px rgba(0,0,0,.35);
    color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --bg:#0C1A19;--surface:#132826;--surface-2:#1B3331;--ink:#E3F1EE;--ink-soft:#9DBAB5;--line:#27443F;
  --accent:#4CC9C0;--accent-ink:#06201E;--accent-soft:#17403D;
  --c1:#4CC9C0;--c2:#92A9F2;--c3:#F08BA4;--on-slice:#0A1A19;
  --danger:#F19A97;--danger-soft:#3A1F1F;
  --shadow:0 1px 2px rgba(0,0,0,.4),0 10px 28px rgba(0,0,0,.35);
  color-scheme:dark;
}
*{box-sizing:border-box}
html,body{min-height:100%}
body{background:var(--bg);color:var(--ink);font-family:var(--font-body);font-size:1rem;line-height:1.55;-webkit-font-smoothing:antialiased}
button{font:inherit;color:inherit;cursor:pointer}
h1,h2,h3{font-family:var(--font-display);margin:0;text-wrap:balance;line-height:1.1}
p{margin:0}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
[tabindex="-1"]:focus{outline:none}

.wrap{width:100%;max-width:56rem;margin-inline:auto;padding-inline:16px;padding-block:28px}
.screen{animation:rise .5s ease both}
@keyframes rise{from{transform:translateY(10px);opacity:.01}to{transform:none;opacity:1}}
.mono{font-family:var(--font-mono);font-size:.75rem;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-soft)}

/* ---------- Intro ---------- */
.intro{min-height:100svh;display:grid;place-items:center;align-content:center;gap:12px;text-align:center;padding-block:32px;position:relative;overflow:hidden}
.intro-art{width:min(100%,32rem);height:auto;display:block;margin-inline:auto}
.scalp{fill:var(--accent-soft);stroke:var(--accent);stroke-width:3;stroke-linecap:round}
.strand{fill:none;stroke:var(--ink);stroke-width:2.2;stroke-linecap:round;stroke-dasharray:1;stroke-dashoffset:1;animation:grow 1.6s cubic-bezier(.3,.7,.2,1) forwards;transform-box:fill-box;transform-origin:50% 100%}
.strand.shed{animation:grow 1.6s cubic-bezier(.3,.7,.2,1) forwards,shed 1.2s ease-in forwards}
@keyframes grow{to{stroke-dashoffset:0}}
@keyframes shed{to{opacity:0;transform:translateY(22px) rotate(8deg)}}
.intro-title{display:grid;gap:6px;justify-items:center}
.intro-title .big{font-size:clamp(3rem,13vw,6rem);font-weight:800;letter-spacing:-.03em;animation:lift .9s .2s cubic-bezier(.2,.8,.2,1) both}
.intro-title .sub{font-family:var(--font-mono);font-size:clamp(.8rem,3.2vw,1.05rem);letter-spacing:.32em;text-transform:uppercase;color:var(--accent);animation:lift .9s .5s cubic-bezier(.2,.8,.2,1) both}
@keyframes lift{from{transform:translateY(14px)}to{transform:none}}
.intro-tag{color:var(--ink-soft);max-width:30rem;margin-inline:auto}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;border:1px solid var(--line);background:var(--surface);color:var(--ink);padding:12px 20px;border-radius:999px;font-weight:600;min-height:48px;transition:transform .15s,background .2s,border-color .2s}
.btn:hover{border-color:var(--accent)}
.btn:active{transform:scale(.97)}
.btn.primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent);padding-inline:28px}
.btn.primary:hover{filter:brightness(1.06)}
.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none}
.btn.quiet{border-color:transparent;background:transparent;color:var(--ink-soft)}
.btn.quiet:hover{color:var(--ink);border-color:var(--line)}

/* ---------- Select ---------- */
.sel-head{display:grid;gap:10px;margin-bottom:28px}
.sel-head h2{font-size:clamp(1.9rem,6vw,2.8rem);font-weight:800;letter-spacing:-.02em}
.sel-head p{color:var(--ink-soft);max-width:36rem}
.group{margin-bottom:28px;display:grid;gap:12px}
.cards{display:grid;gap:12px;grid-template-columns:repeat(auto-fill,minmax(min(100%,16rem),1fr))}
.card{position:relative;display:flex;align-items:center;justify-content:space-between;gap:14px;background:var(--surface);border:1.5px solid var(--line);border-radius:var(--radius);padding:16px;cursor:pointer;transition:border-color .2s,background .2s,transform .15s}
.card:hover{border-color:var(--accent)}
.card:active{transform:scale(.985)}
.card.on{border-color:var(--accent);background:var(--accent-soft)}
.sr{position:absolute;opacity:0;width:1px;height:1px;pointer-events:none}
.card-text{display:grid;gap:2px;min-width:0}
.card-text b{font-weight:600;font-size:1rem}
.card-text small{color:var(--ink-soft);font-size:.85rem;line-height:1.35}
.switch{flex:none;width:46px;height:28px;border-radius:999px;background:var(--surface-2);border:1.5px solid var(--line);position:relative;transition:background .2s,border-color .2s}
.switch::after{content:"";position:absolute;top:3px;left:3px;width:19px;height:19px;border-radius:50%;background:var(--ink-soft);transition:transform .22s cubic-bezier(.3,1.4,.5,1),background .2s}
.card.on .switch{background:var(--accent);border-color:var(--accent)}
.card.on .switch::after{transform:translateX(18px);background:var(--accent-ink)}
.sr:focus-visible ~ .switch{outline:3px solid var(--accent);outline-offset:3px}
.err{background:var(--danger-soft);color:var(--danger);border-radius:12px;padding:12px 16px;margin-bottom:20px;font-weight:500}
.sel-pad{height:6.5rem}
.bar{position:fixed;left:0;right:0;bottom:0;z-index:5;background:var(--surface);border-top:1px solid var(--line);box-shadow:var(--shadow);padding:12px 16px calc(12px + env(safe-area-inset-bottom,0px))}
.bar-in{max-width:56rem;margin-inline:auto;display:flex;flex-wrap:wrap;align-items:center;gap:12px;justify-content:space-between}
.count{display:flex;align-items:baseline;gap:8px}
.count strong{font-family:var(--font-display);font-size:1.75rem;font-weight:800;font-variant-numeric:tabular-nums;line-height:1}
.count span{color:var(--ink-soft);font-size:.9rem}
.bar-actions{display:flex;gap:8px;flex-wrap:wrap}

/* ---------- Loader ---------- */
.loading{min-height:100svh;display:grid;place-items:center;align-content:center;gap:20px;text-align:center;padding-block:32px}
.net{width:min(100%,24rem);height:auto}
.net .base{stroke:var(--line);stroke-width:1.2}
.net .pulse{stroke:var(--accent);stroke-width:2;stroke-linecap:round;stroke-dasharray:8 38;animation:flow 1.6s linear infinite}
@keyframes flow{to{stroke-dashoffset:-46}}
.net .node{fill:var(--surface);stroke:var(--accent);stroke-width:2;transform-box:fill-box;transform-origin:center;animation:pop 1.8s ease-in-out infinite}
.net .node.out{fill:var(--accent)}
@keyframes pop{0%,100%{transform:scale(1)}50%{transform:scale(1.35)}}
.status{font-family:var(--font-display);font-size:1.4rem;font-weight:700;min-height:2em}
.status-sub{color:var(--ink-soft)}

/* ---------- Results ---------- */
.res-head{display:grid;gap:8px;margin-bottom:24px}
.res-head h2{font-size:clamp(1.9rem,6vw,2.8rem);font-weight:800;letter-spacing:-.02em}
.res-head p{color:var(--ink-soft)}
.res-grid{display:grid;gap:20px;grid-template-columns:minmax(0,1fr);align-items:start}
@media (min-width:760px){.res-grid{grid-template-columns:20rem minmax(0,1fr)}}
.panel-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);display:grid;gap:16px;justify-items:center}
.pie{width:min(100%,17rem);height:auto;overflow:visible}
.pie .slice{stroke:var(--surface);stroke-width:3;stroke-linejoin:round;cursor:pointer;transition:transform .22s ease,opacity .22s}
.pie .slice.dim{opacity:.5}
.pie text{font-family:var(--font-display);font-weight:800;font-size:17px;fill:var(--on-slice);pointer-events:none;font-variant-numeric:tabular-nums}
.legend{list-style:none;margin:0;padding:0;display:grid;gap:8px;width:100%}
.legend li{display:flex;align-items:center;gap:10px;font-size:.92rem;min-width:0}
.legend .dot{flex:none;width:12px;height:12px;border-radius:4px}
.legend .nm{flex:1;min-width:0;overflow-wrap:anywhere}
.legend .pc{font-family:var(--font-mono);font-variant-numeric:tabular-nums}
.list{display:grid;gap:12px;min-width:0}
.rcard{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:border-color .2s}
.rcard.open{border-color:var(--accent)}
.rhead{margin:0}
.rbtn{width:100%;display:flex;align-items:center;gap:14px;background:none;border:0;padding:16px;text-align:left}
.rank{flex:none;width:34px;height:34px;border-radius:50%;display:grid;place-items:center;font-family:var(--font-display);font-weight:800;color:var(--on-slice)}
.rname{flex:1;min-width:0;display:grid;gap:2px}
.rname b{font-family:var(--font-display);font-size:1.2rem;font-weight:700;overflow-wrap:anywhere}
.rname small{color:var(--ink-soft);font-size:.82rem}
.rpct{font-family:var(--font-mono);font-weight:500;font-variant-numeric:tabular-nums}
.chev{flex:none;width:20px;height:20px;transition:transform .25s}
.rcard.open .chev{transform:rotate(180deg)}
.chev path{stroke:var(--ink-soft);stroke-width:2.2;fill:none;stroke-linecap:round;stroke-linejoin:round}
.rpanel{display:grid;grid-template-rows:0fr;visibility:hidden;transition:grid-template-rows .3s ease,visibility 0s .3s}
.rcard.open .rpanel{grid-template-rows:1fr;visibility:visible;transition:grid-template-rows .3s ease,visibility 0s}
.rpanel-in{overflow:hidden;min-height:0}
.rbody{padding:0 16px 18px;display:grid;gap:14px}
.rsum{color:var(--ink-soft)}
.tips{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.tips li{background:var(--surface-2);border-radius:12px;padding:12px 14px;display:grid;gap:2px}
.tips b{font-weight:600}
.tips span{color:var(--ink-soft);font-size:.92rem}
.res-foot{margin-top:28px;display:grid;gap:16px}
.res-actions{display:flex;flex-wrap:wrap;gap:10px}
.note{color:var(--ink-soft);font-size:.85rem;max-width:40rem}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-delay:0s!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  .strand{stroke-dashoffset:0}
}