:root{
  --bg:#fffdf8;--card:#ffffff;--ink:#2b2540;--muted:#6b6580;--line:#ece7f4;
  --brand:#7c5cff;--brand2:#ff8a3d;--accent:#19b787;--soft:#f5f1ff;
  --shadow:0 6px 24px rgba(60,40,120,.08);--r:18px;
}
[data-theme="dark"]{
  --bg:#141221;--card:#1e1b30;--ink:#f2eefc;--muted:#a49dbd;--line:#2e2947;
  --brand:#9d85ff;--brand2:#ffa05e;--accent:#2fd3a0;--soft:#252040;
  --shadow:0 6px 24px rgba(0,0,0,.35);
}
*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth}
body{font-family:'Fredoka','Segoe UI',system-ui,sans-serif;background:var(--bg);color:var(--ink);line-height:1.55}
a{color:var(--brand);text-decoration:none}
img{max-width:100%}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
header.site{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;align-items:center;gap:18px;height:62px}
.logo{font-weight:600;font-size:1.25rem;display:flex;align-items:center;gap:8px}
.logo .dot{width:26px;height:26px;border-radius:8px;background:linear-gradient(135deg,var(--brand),var(--brand2));display:inline-block}
nav{margin-left:auto;display:flex;gap:18px;align-items:center;font-size:.95rem}
nav a{color:var(--muted)}
nav a:hover{color:var(--ink)}
.btn{display:inline-flex;align-items:center;gap:8px;border:none;cursor:pointer;font-family:inherit;font-size:1rem;font-weight:500;padding:12px 22px;border-radius:999px;background:var(--brand);color:#fff;transition:transform .12s,box-shadow .12s}
.btn:hover{transform:translateY(-1px);box-shadow:var(--shadow)}
.btn.alt{background:var(--soft);color:var(--brand)}
.btn.sm{padding:7px 14px;font-size:.85rem}
.btn.ghost{background:transparent;color:var(--muted);border:1px solid var(--line)}
.btn:disabled{opacity:.55;cursor:wait;transform:none}
.theme-toggle{background:none;border:1px solid var(--line);border-radius:999px;width:38px;height:38px;cursor:pointer;font-size:1.05rem;color:var(--ink)}
/* hero */
.hero{padding:64px 0 40px;text-align:center}
.hero h1{font-size:clamp(1.9rem,4.5vw,3.1rem);font-weight:600;line-height:1.15}
.hero h1 em{font-style:normal;background:linear-gradient(120deg,var(--brand),var(--brand2));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.sub{margin:16px auto 0;max-width:640px;color:var(--muted);font-size:1.1rem}
.genbox{margin:34px auto 0;max-width:680px;background:var(--card);border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);padding:14px;display:flex;gap:10px}
.genbox input{flex:1;border:none;outline:none;background:transparent;color:var(--ink);font-family:inherit;font-size:1.05rem;padding:8px 10px}
.chips{margin-top:16px;display:flex;flex-wrap:wrap;gap:8px;justify-content:center}
.chip{background:var(--soft);color:var(--brand);border:none;font-family:inherit;padding:8px 16px;border-radius:999px;cursor:pointer;font-size:.9rem}
.chip:hover{filter:brightness(.96)}
.trustline{margin-top:18px;color:var(--muted);font-size:.85rem}
/* progress */
.progress{display:none;margin:26px auto 0;max-width:560px;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px;text-align:center}
.progress.on{display:block}
.bar{height:8px;border-radius:99px;background:var(--soft);overflow:hidden;margin-top:14px}
.bar i{display:block;height:100%;width:8%;border-radius:99px;background:linear-gradient(90deg,var(--brand),var(--brand2));transition:width .8s}
/* sections */
section{padding:52px 0}
h2.sec{font-size:1.7rem;font-weight:600;text-align:center;margin-bottom:8px}
p.secsub{text-align:center;color:var(--muted);margin-bottom:34px}
.grid{display:grid;gap:20px;grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);overflow:hidden;transition:transform .15s}
.card:hover{transform:translateY(-3px)}
.card .cover{height:150px;background:var(--soft);display:flex;align-items:center;justify-content:center;font-size:2.6rem;overflow:hidden}
.card .cover img{width:100%;height:100%;object-fit:cover}
.card .body{padding:16px}
.card h3{font-size:1.05rem;font-weight:600}
.card .meta{color:var(--muted);font-size:.85rem;margin-top:4px}
.steps{display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.step{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:24px;text-align:center}
.step .n{width:44px;height:44px;border-radius:50%;background:var(--soft);color:var(--brand);font-weight:600;display:flex;align-items:center;justify-content:center;margin:0 auto 12px;font-size:1.15rem}
/* pricing */
.plans{display:grid;gap:22px;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));max-width:760px;margin:0 auto}
.plan{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:28px;text-align:center;position:relative}
.plan.hot{border-color:var(--brand)}
.plan .tag{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--brand);color:#fff;font-size:.75rem;padding:3px 12px;border-radius:99px}
.plan .price{font-size:2rem;font-weight:600;margin:10px 0 2px}
.plan .per{color:var(--muted);font-size:.85rem}
.plan ul{list-style:none;margin:18px 0;text-align:left}
.plan li{padding:6px 0;color:var(--muted);font-size:.93rem}
.plan li::before{content:"✓ ";color:var(--accent);font-weight:600}
footer.site{border-top:1px solid var(--line);padding:34px 0;color:var(--muted);font-size:.88rem}
footer.site .wrap{display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between}
/* modal */
.modal{display:none;position:fixed;inset:0;background:rgba(20,15,40,.55);z-index:99;align-items:center;justify-content:center;padding:20px}
.modal.on{display:flex}
.modal .box{background:var(--card);border-radius:var(--r);padding:30px;max-width:420px;width:100%;text-align:center}
.modal input{width:100%;margin:14px 0;padding:12px 16px;border-radius:12px;border:1px solid var(--line);background:var(--bg);color:var(--ink);font-family:inherit;font-size:1rem}
.note{font-size:.85rem;color:var(--muted)}
/* ===== deck viewer ===== */
.deckbar{display:flex;flex-wrap:wrap;align-items:center;gap:12px;padding:16px 0}
.deckbar h1{font-size:1.3rem;font-weight:600;margin-right:auto}
.slides{display:flex;flex-direction:column;gap:26px;padding-bottom:70px}
.slide{background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);padding:34px;min-height:420px;position:relative;page-break-after:always;break-after:page}
.slide .snum{position:absolute;top:14px;right:18px;color:var(--muted);font-size:.8rem}
.slide h2{font-size:2rem;font-weight:600;text-align:center;margin-bottom:6px}
.slide .sub,.slide .instruction{text-align:center;color:var(--muted);font-size:1.15rem;margin-bottom:20px}
.slide.title-slide{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}
.slide.title-slide h2{font-size:2.8rem}
.swatchband{height:56px;border-radius:14px;margin:0 auto 22px;max-width:420px}
.items{display:grid;gap:22px;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));max-width:760px;margin:0 auto}
.item{text-align:center}
.item .ph{position:relative;background:var(--soft);border-radius:14px;overflow:hidden;aspect-ratio:1;display:flex;align-items:center;justify-content:center}
.item .ph img{width:100%;height:100%;object-fit:cover}
.item .lbl{margin-top:10px;font-size:1.25rem;font-weight:500}
.credit{font-size:.62rem;color:var(--muted);margin-top:3px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.swatchbox{aspect-ratio:1;border-radius:14px}
/* match */
.matchgrid{display:grid;grid-template-columns:1fr 90px 1fr;max-width:720px;margin:0 auto;align-items:stretch}
.mcol{display:flex;flex-direction:column;gap:20px}
.mrow{display:flex;align-items:center;gap:12px;background:var(--soft);border-radius:14px;padding:12px;min-height:96px}
.mrow.right{flex-direction:row-reverse}
.mrow .mimg{width:76px;height:76px;border-radius:10px;object-fit:cover;flex:none}
.mrow .msw{width:76px;height:76px;border-radius:10px;flex:none}
.mrow .mlbl{font-size:1.15rem;font-weight:500;flex:1;text-align:center}
.mdotcol{display:flex;flex-direction:column;gap:20px;align-items:center;justify-content:space-around}
.mdot{width:14px;height:14px;border-radius:50%;background:var(--brand);opacity:.75}
/* count */
.countrows{display:flex;flex-direction:column;gap:18px;max-width:700px;margin:0 auto}
.crow{display:flex;align-items:center;gap:14px;background:var(--soft);border-radius:14px;padding:14px}
.crow .cpics{display:flex;flex-wrap:wrap;gap:8px;flex:1}
.crow .cpics img{width:64px;height:64px;border-radius:10px;object-fit:cover}
.writebox{width:74px;height:74px;border:3px dashed var(--muted);border-radius:12px;flex:none}
/* trace */
.tracerow{display:flex;flex-wrap:wrap;gap:26px;justify-content:center;margin-top:10px}
.traceglyph{width:150px;height:190px;background:var(--soft);border-radius:16px;display:flex;align-items:center;justify-content:center}
.traceglyph svg{width:80%;height:80%}
.traceglyph text{fill:none;stroke:var(--ink);stroke-width:2.2;stroke-dasharray:7 7;font-family:'Fredoka',sans-serif;font-weight:600}
/* editing chrome */
.slidetools{position:absolute;bottom:12px;right:14px;display:flex;gap:8px}
.swapbtn{position:absolute;bottom:6px;right:6px;background:rgba(20,15,40,.65);color:#fff;border:none;border-radius:8px;font-size:.7rem;padding:4px 8px;cursor:pointer;opacity:0;transition:opacity .15s;font-family:inherit}
.item .ph:hover .swapbtn,.mrow:hover .swapbtn,.crow:hover .swapbtn{opacity:1}
.mrow .ph,.crow .ph{position:relative}
.revform{display:none;gap:10px;margin-top:18px}
.revform.on{display:flex}
.revform input{flex:1;padding:10px 14px;border-radius:12px;border:1px solid var(--line);background:var(--bg);color:var(--ink);font-family:inherit;font-size:.95rem}
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--ink);color:var(--bg);padding:12px 22px;border-radius:12px;z-index:200;display:none}
.toast.on{display:block}
.spin{display:inline-block;width:16px;height:16px;border:2px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:sp 1s linear infinite;vertical-align:-3px}
@keyframes sp{to{transform:rotate(360deg)}}
@media(max-width:640px){
  .slide{padding:22px;min-height:0}
  .slide h2{font-size:1.5rem}
  .matchgrid{grid-template-columns:1fr 40px 1fr}
  .mrow .mimg,.mrow .msw{width:56px;height:56px}
  .genbox{flex-direction:column}
}
@media print{
  header.site,.deckbar,.slidetools,.swapbtn,.revform,.toast,footer.site,.noprint{display:none!important}
  body{background:#fff;color:#111}
  .slides{gap:0;padding:0}
  .slide{border:none;box-shadow:none;border-radius:0;min-height:92vh;page-break-after:always}
}