:root{
  --brand:#db2777; --brand2:#f59e0b;
  --ink:#1c1917; --muted:#57534e; --line:#e7e5e4;
  --bg:#fafaf9; --surface:#ffffff; --soft:#fdf2f8;
  --ok:#15803d;
  --radius:18px;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.55}
a{color:var(--brand)}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.9rem 1.25rem;max-width:1060px;margin:0 auto}
.brand{display:flex;align-items:center;gap:.55rem;text-decoration:none;color:var(--ink);font-weight:700;font-size:1.15rem}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:9px;color:#fff;font-weight:800;background:linear-gradient(135deg,var(--brand),var(--brand2))}
.topnav{display:flex;gap:1.1rem}
.topnav a{color:var(--muted);text-decoration:none;font-size:.95rem}
.topnav a:hover{color:var(--brand)}
main{max-width:1060px;margin:0 auto;padding:0 1.25rem 3rem}
.hero{text-align:center;padding:2.2rem 0 1.4rem}
.hero h1{font-size:clamp(1.9rem,4.5vw,3rem);line-height:1.12;margin:0 0 .8rem;letter-spacing:-.02em}
.grad{background:linear-gradient(90deg,var(--brand),var(--brand2));-webkit-background-clip:text;background-clip:text;color:transparent}
.lede{max-width:44rem;margin:0 auto;color:var(--muted);font-size:1.08rem}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem;margin-top:1.4rem;box-shadow:0 10px 30px -18px rgba(28,25,23,.25)}
.card h2{margin:0 0 .6rem;font-size:1.3rem}
.dropzone{border:2px dashed #d6d3d1;border-radius:14px;padding:2.4rem 1rem;text-align:center;cursor:pointer;transition:border-color .2s,background .2s;background:#fff}
.dropzone:hover,.dropzone:focus-visible{border-color:var(--brand);outline:none}
.dropzone.drag{border-color:var(--brand);background:var(--soft)}
.dropzone svg{width:40px;height:40px;color:var(--brand)}
.dz-title{font-weight:700;font-size:1.1rem;margin:.5rem 0 .2rem}
.dz-sub{color:var(--muted);margin:0;font-size:.92rem}
.controls{display:flex;flex-wrap:wrap;gap:1rem;margin-top:1.3rem}
.ctl{display:flex;flex-direction:column;gap:.35rem;font-size:.88rem;font-weight:600;color:var(--muted)}
.ctl.grow{flex:1 1 180px}
.ctl select,.ctl input[type="text"]{padding:.55rem .6rem;border:1px solid var(--line);border-radius:10px;font:inherit;color:var(--ink);background:#fff}
.ctl input[type="range"]{accent-color:var(--brand);width:100%}
.ctl output{color:var(--brand);font-weight:700}
.summary{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.8rem;margin-top:1.3rem;padding:.9rem 1rem;border-radius:12px;background:var(--soft);border:1px solid #fbcfe8}
.summary p{margin:0}
.saving{color:var(--ok);font-weight:700}
.summary-actions{display:flex;gap:.6rem}
.btn{border-radius:10px;padding:.55rem 1rem;font:inherit;font-weight:600;cursor:pointer;border:1px solid transparent}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff}
.btn-primary:disabled{opacity:.55;cursor:wait}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.filelist{list-style:none;margin:1.2rem 0 0;padding:0;display:flex;flex-direction:column;gap:.7rem}
.fitem{display:flex;align-items:center;gap:.9rem;border:1px solid var(--line);border-radius:12px;padding:.6rem .8rem}
.fitem img{width:52px;height:52px;object-fit:cover;border-radius:8px;flex:none;background:#f5f5f4}
.fmeta{flex:1 1 auto;min-width:0}
.fname{font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.fsizes{color:var(--muted);font-size:.88rem}
.fsizes .down{color:var(--ok);font-weight:600}
.fitem .btn{flex:none;padding:.45rem .8rem}
.fitem .remove{background:none;border:none;color:var(--muted);font-size:1.05rem;cursor:pointer;flex:none}
.fitem.processing{opacity:.55}
.empty-note{color:var(--muted);font-size:.92rem;margin:1rem 0 0}
.how ol{margin:.4rem 0;padding-left:1.3rem}
.how li{margin:.35rem 0}
.faq details{border-top:1px solid var(--line);padding:.7rem 0}
.faq details:first-of-type{border-top:none}
.faq summary{font-weight:600;cursor:pointer}
.faq p{margin:.4rem 0 0;color:var(--muted)}
.pc-modal-backdrop{position:fixed;inset:0;background:rgba(15,18,32,.55);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:1000;padding:18px}
.pc-modal-backdrop[hidden]{display:none}
.pc-modal{position:relative;background:var(--card);border:1px solid var(--line);border-radius:20px;max-width:440px;width:100%;padding:30px 28px;box-shadow:0 24px 60px rgba(0,0,0,.35)}
.pc-modal h2{font-size:1.45rem;margin:0 30px 10px 0}
.pc-modal p{color:var(--muted);font-size:.97rem}
.pc-modal-close{position:absolute;top:12px;right:14px;background:none;border:0;font-size:1.7rem;line-height:1;color:var(--muted);cursor:pointer;padding:4px}
.pc-modal-close:hover{color:var(--ink)}
.pc-modal form{display:flex;flex-direction:column;gap:12px;margin-top:16px}
.pc-modal input[type=email]{padding:13px 15px;border-radius:12px;border:1px solid var(--line);background:var(--soft);color:var(--ink);font-size:1rem;width:100%}
.pc-modal input[type=email]:focus{outline:2px solid var(--brand);outline-offset:1px}
.pc-modal-msg{min-height:1.2em;font-size:.92rem}
.pc-modal-msg.ok{color:#16a34a}
.pc-modal-msg.err{color:#dc2626}
.pc-modal-note{font-size:.82rem;margin-top:14px}
footer{border-top:1px solid var(--line);padding:1.4rem 1.25rem 2.2rem;text-align:center;color:var(--muted);font-size:.92rem}
@media (max-width:560px){.fitem img{width:42px;height:42px}.summary{flex-direction:column;align-items:stretch}.summary-actions{justify-content:space-between}}