:root{--p:#5b53c6;--pd:#3f3a9e;--ln:#e6e5f2;--mut:#6c6a82;--ink:#1c1b2e;--bg:#f5f5fb;--soft:#efeefb}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{margin:0;font:20px/1.6 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--ink);background:var(--bg)}
.shell{max-width:640px;margin:0 auto;padding:0 16px 60px}
.brand{font-weight:800;font-size:19px;padding:18px 0 8px;display:inline-block;text-decoration:none;color:var(--ink)}
.brand b{color:var(--p)}
nav.tools{display:flex;flex-wrap:wrap;gap:6px;margin:2px 0 16px}
nav.tools a{font-size:13px;font-weight:600;text-decoration:none;color:var(--pd);background:var(--soft);border:1px solid var(--ln);border-radius:999px;padding:5px 12px}
nav.tools a:hover{border-color:var(--p)}
nav.tools a[aria-current=page]{background:var(--p);color:#fff;border-color:var(--p)}
.box{background:#fff;border:1px solid var(--ln);border-radius:14px;padding:18px;box-shadow:0 6px 20px rgba(28,27,46,.05)}
h1{font-size:25px;margin:0 0 6px;letter-spacing:-.01em}
.lead{color:var(--mut);font-size:16px;line-height:1.5;margin:0 0 14px}
.controls{display:flex;flex-wrap:wrap;gap:10px;align-items:flex-end;margin:0 0 6px}
.ctl{display:flex;flex-direction:column;gap:4px}
.ctl label{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--mut)}
.ctl input,.ctl select{font-size:16px;padding:9px 10px;border:2px solid var(--ln);border-radius:10px;outline:0;color:var(--ink);background:#fff}
.ctl input{width:110px}.ctl input:focus,.ctl select:focus{border-color:var(--p)}
.ctl input[type=text]{text-transform:lowercase}
.btn{background:var(--p);color:#fff;border:0;border-radius:11px;padding:12px 22px;font-weight:700;font-size:16px;cursor:pointer}
.btn:hover{background:var(--pd)}
.btn.full{width:100%;padding:15px}
.tip{color:var(--mut);font-size:15px;margin:8px 2px 0}
.tip code{background:var(--soft);border:1px solid var(--ln);border-radius:5px;padding:1px 7px;font-weight:700;color:var(--pd)}
.sumrow{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:18px 2px 8px}
.sum{color:var(--mut);font-size:15px}.sum b{color:var(--ink)}
.share{background:none;border:1px solid var(--ln);color:var(--p);font-weight:700;font-size:13px;border-radius:8px;padding:6px 12px;cursor:pointer;white-space:nowrap}
.share:hover{border-color:var(--p)}
.words{display:grid;grid-template-columns:repeat(auto-fill,minmax(96px,1fr));gap:8px}
.w{background:#fff;border:1px solid var(--ln);border-radius:9px;padding:10px 6px;font-size:16px;font-weight:700;letter-spacing:.03em;text-align:center;color:var(--pd);cursor:pointer;user-select:none;-webkit-user-select:none}
.w:hover{border-color:var(--p)}.w:active{transform:scale(.95)}
.big{font-size:34px;font-weight:800;text-align:center;letter-spacing:.04em;color:var(--pd);word-break:break-word;padding:18px 8px}
.reveal{display:block;margin:10px auto 0;background:var(--soft);border:1px solid var(--ln);color:var(--pd);font-weight:700;border-radius:10px;padding:10px 16px;cursor:pointer}
.secret{font-size:30px;font-weight:800;text-align:center;color:var(--pd);padding:14px;filter:blur(9px);cursor:pointer;transition:filter .15s}
.secret.show{filter:none}
.empty{color:var(--mut);text-align:center;padding:24px 0}
.out{font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.toast{position:fixed;left:50%;bottom:22px;transform:translateX(-50%) translateY(20px);background:var(--ink);color:#fff;font-size:14px;font-weight:600;padding:10px 16px;border-radius:10px;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;z-index:50}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.promo{display:none;align-items:center;gap:12px;margin:14px 0 2px;padding:13px 14px;border:1px solid #c8c4ee;background:#f1f0fc;border-radius:12px;color:#3f3a7a;font-size:15px}
.promo.show{display:flex}
.promo .pi{flex:1;line-height:1.4}.promo .pi b{color:var(--pd)}
.promo .install{background:var(--p);color:#fff;border:0;border-radius:9px;padding:9px 16px;font-weight:700;font-size:14px;cursor:pointer;white-space:nowrap}
.promo .x{background:none;border:0;color:#9a96c0;font-size:20px;line-height:1;cursor:pointer;padding:2px 4px}
footer{margin:34px 0 0;padding:18px 0 0;border-top:1px solid var(--ln);color:var(--mut);font-size:13px;text-align:center}
footer a{color:var(--p);text-decoration:none;font-weight:600}
footer p{margin:4px 0}
.content{margin-top:30px;color:#3a3950}
.content h2{font-size:21px;margin:24px 0 8px;color:var(--ink)}
.content h3{font-size:17px;margin:20px 0 6px;color:var(--pd)}
.content p{font-size:16px;margin:8px 0;line-height:1.65}
.content code{background:var(--soft);border:1px solid var(--ln);border-radius:5px;padding:1px 6px;font-weight:700;color:var(--pd)}
.content ul{font-size:16px;margin:8px 0;padding-left:20px}.content li{margin:6px 0}
.content .faq h3{font-size:16px;margin-bottom:2px}.content .faq p{margin-top:2px;color:var(--mut)}
@media (max-width:520px){
  .shell{padding:0 12px 48px}
  .brand{display:block;text-align:center;font-size:18px;padding:14px 0 6px}
  nav.tools{justify-content:center}
  .box{padding:14px;border-radius:12px}
  h1{font-size:21px;text-align:center}
  .lead{text-align:center;font-size:15px}
  .controls{justify-content:center}
  .ctl input{width:100%}
  .words{grid-template-columns:repeat(auto-fill,minmax(84px,1fr))}
  .big{font-size:28px}
}