:root{--bg:#f3f2ef;--fg:#16171a;--muted:#5e6067;--line:#dddbd5;--card:#fff;--night:#0a0b0d;--amber:#e8930c;--amber-dk:#9a5d00;--go:#1f7a4d}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font:17px/1.6 "Avenir Next","Segoe UI",system-ui,-apple-system,Roboto,sans-serif}
.wrap{max-width:860px;margin:0 auto;padding:0 16px}.wrap-narrow{max-width:828px;margin-left:auto;margin-right:auto}
a{color:#7a4a00}code{font:.92em ui-monospace,Menlo,monospace;background:#e8e6e0;padding:1px 5px;border-radius:4px}
header.site{background:var(--night);color:#e9eaee}header.site .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;color:#fff;text-decoration:none;letter-spacing:-.01em}.brand svg{width:30px;height:30px}
nav.main a{margin-left:18px;color:#b9bcc4;text-decoration:none;font-size:.95rem}nav.main a:hover{color:#fff}
main{padding:22px 0 48px}h1{font-size:clamp(1.8rem,4.4vw,2.6rem);line-height:1.1;letter-spacing:-.025em;margin:.25em 0 .3em}
h2{font-size:1.45rem;letter-spacing:-.015em;margin-top:2em}h3{font-size:1.08rem;margin-bottom:.2em}
.lead{font-size:1.08rem;color:var(--muted);max-width:44em}
.tool{max-width:860px;margin:18px auto 0;padding:0 16px}
.stage-wrap{background:var(--night);border-radius:18px 18px 0 0;padding:12px 12px 8px;overflow:hidden}
#stage{display:block;width:100%;border-radius:10px}
.meta{margin:6px 4px 0;color:#9aa0aa;font-size:.88rem;min-height:1.3em}
.controls{background:var(--card);border:1px solid var(--line);border-top:0;border-radius:0 0 18px 18px;padding:16px}
.drop{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;border:2px dashed #c9c5bb;border-radius:12px;padding:16px;cursor:pointer;text-align:center;transition:background .15s}
.drop:hover,.drop.over{background:#fbf3e4;border-color:var(--amber)}.drop input{position:absolute;width:1px;height:1px;opacity:0}
.drop-big{font-weight:700;font-size:1.1rem}.drop-small{color:var(--muted);font-size:.9rem}
.row{display:flex;gap:10px;margin:14px 0 4px;flex-wrap:wrap}
.btn{font:inherit;font-weight:650;border:0;border-radius:10px;padding:11px 18px;cursor:pointer;background:#22252b;color:#fff}
.btn.go{background:var(--amber);color:#1b1205}.btn:disabled{opacity:.45;cursor:not-allowed}.btn.ghost{background:transparent;color:var(--fg);border:1px solid var(--line)}
.btn:focus-visible,.seg button:focus-visible,.drop:focus-within{outline:3px solid #ffbf5a;outline-offset:2px}
.opts{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px 16px;margin-top:12px}
.opt{display:flex;flex-direction:column;gap:4px;font-size:.92rem}.opt-l{font-weight:600;color:var(--muted);font-size:.9rem}
.opt input[type=number],.opt input[type=text]{font:inherit;padding:8px 10px;border:1px solid var(--line);border-radius:8px;background:#fff;width:100%}
.opt.chk{flex-direction:row;align-items:center;gap:8px;grid-column:1/-1}.opt.chk input{width:18px;height:18px;accent-color:var(--amber)}
.seg{display:flex;border:1px solid var(--line);border-radius:9px;overflow:hidden}
.seg button{flex:1;font:inherit;font-size:.92rem;border:0;background:#fff;padding:8px 6px;cursor:pointer;color:var(--fg)}
.seg button+button{border-left:1px solid var(--line)}.seg button[aria-pressed=true]{background:#22252b;color:#fff}
.status{margin:12px 0 0;color:var(--muted);font-size:.93rem;min-height:1.4em}
.prose{margin-top:8px}.prose li{margin:.35em 0}.small{font-size:.85rem;color:var(--muted);margin-top:2.5em}
footer.site{border-top:1px solid var(--line);color:var(--muted);font-size:.9rem}footer.site .wrap{display:flex;gap:16px;flex-wrap:wrap;padding:20px 16px}footer.site a{color:var(--muted)}
/* lock sound page */
.lock{max-width:860px;margin:18px auto 0;padding:0 16px}.lock .controls{border-top:1px solid var(--line);border-radius:18px}
.range{display:flex;align-items:center;gap:10px}.range input[type=range]{flex:1;accent-color:var(--amber)}
/* Pro waitlist box (E29) */
.pro{margin:26px auto 0;padding:18px 20px;border-radius:16px;background:#fff8ec;border:1px solid #efd9b1}
.pro-tag{margin:0;font-size:.92rem;font-weight:700;color:var(--amber-dk)}
.pro-lead{font-size:1.3rem;font-weight:800;letter-spacing:-.02em;line-height:1.2;margin:.15em 0 .45em}.pro ul{margin:0 0 14px;padding-left:1.15em}
.pro-buy{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px}.pro-price{margin:0}.pro-price b{font-size:1.1rem}.pro-price span,.pro-free{color:var(--muted);font-size:.92rem}.pro-free{margin:12px 0 0}
.pro-dlg{max-width:430px;width:calc(100% - 32px);padding:0;border:1px solid var(--line);border-radius:16px;color:inherit;background:#fff}.pro-dlg::backdrop{background:rgba(10,11,13,.5)}
.pro-dlg-in{padding:20px 22px}.pro-dlg-in p{margin:0 0 .7em}.pro-dlg-h{font-weight:700;font-size:1.2rem}.pro-dlg-l{display:block;font-size:.9rem;font-weight:600;margin:.4em 0 4px}
.pro-dlg input{width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:8px;font:inherit}.pro-dlg-a{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.pro-dlg-ok{margin-top:12px!important;font-weight:600}
@media (max-width:520px){body{font-size:16px}.row .btn{flex:1}}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}