:root{
  --bg:#0b0f19;
  --card:#121a2c;
  --ink:#e9eefc;
  --muted:rgba(233,238,252,.75);
  --line:#223154;
  --pill:#0f1630;
  --btn:#1a2a52;
  --danger:#4a1b2a;
  --shadow:0 10px 30px rgba(0,0,0,.35);
  font-family: system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
}

*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink)}

.topbar{
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 18px; border-bottom:1px solid var(--line);
  background:rgba(18,26,44,.85); backdrop-filter: blur(10px);
  position: sticky; top:0; z-index:10;
}
.brand{display:flex; gap:10px; align-items:baseline}
.brand__name{color:var(--ink); text-decoration:none; font-weight:800; letter-spacing:.2px}
.brand__tag{color:var(--muted); font-size:12px}

.nav{display:flex; gap:14px; flex-wrap:wrap}
.nav a{color:var(--muted); text-decoration:none; font-size:13px}
.nav a:hover{color:var(--ink)}

.wrap{width:min(980px,92vw); margin:22px auto 28px; display:grid; gap:16px}

.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:14px;
  padding:18px;
  box-shadow:var(--shadow);
}

.card__head{display:flex; justify-content:space-between; gap:14px; flex-wrap:wrap; align-items:flex-start}
h1{margin:0 0 6px; font-size:22px}
.sub{margin:0;color:var(--muted); font-size:14px}

.mode{display:flex; gap:8px}

.controls{
  display:grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap:10px;
  margin:14px 0 12px;
}
.control{
  background:var(--pill);
  border:1px solid var(--line);
  border-radius:12px;
  padding:10px;
  display:grid;
  gap:6px;
}
.control span{font-size:12px;color:var(--muted)}
.control select{
  width:100%;
  border-radius:10px;
  padding:10px;
  border:1px solid var(--line);
  background:#0b1026;
  color:var(--ink);
  outline:none;
}
.control--right{align-content:start}
.mono{font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace}

.grid{display:grid; gap:12px}

.pill{
  background:var(--pill);
  border:1px solid var(--line);
  border-radius:12px;
  padding:14px;
}

.label{font-size:12px;color:var(--muted);margin-bottom:6px}

.scramble{
  font-size:28px;
  font-weight:800;
  letter-spacing:3px;
  text-transform:uppercase;
  user-select:none;
  word-break:break-word;
}

.hint{font-size:15px;color:rgba(233,238,252,.9);line-height:1.35}

.meta{display:flex; gap:10px; flex-wrap:wrap}
.chip{
  display:inline-flex; align-items:center; gap:8px;
  background:var(--pill);
  border:1px solid var(--line);
  padding:8px 10px;
  border-radius:999px;
  font-size:13px;
}

input[type="text"]{
  width:100%;
  padding:12px 12px;
  border-radius:12px;
  border:1px solid var(--line);
  background:#0b1026;
  color:var(--ink);
  font-size:16px;
  outline:none;
}

.actions{display:flex; gap:10px; flex-wrap:wrap; margin:10px 0 8px}

.btn{
  border:1px solid #2b3c68;
  background:var(--btn);
  color:var(--ink);
  padding:10px 12px;
  border-radius:12px;
  font-size:14px;
  cursor:pointer;
  transition: transform .05s ease, opacity .15s ease;
}
.btn:hover{opacity:.92}
.btn:active{transform:translateY(1px)}
.btn--ghost{background:transparent}
.btn--danger{background:var(--danger); border-color:#6a2b3f}

.msg{min-height:22px; font-size:14px; line-height:1.4}
.ok{color:#7CFFB2}
.bad{color:#FF7C9C}
.warn{color:#FFD37C}

.rules{margin-top:8px; font-size:12px; color:var(--muted)}

.ad__slot{
  min-height:72px;
  display:flex; align-items:center; justify-content:center;
  border:1px dashed rgba(233,238,252,.25);
  border-radius:12px;
  color:rgba(233,238,252,.55);
  padding:12px;
  text-align:center;
}

.seo h2{margin:0 0 10px; font-size:18px}
.seo h3{margin:14px 0 8px; font-size:15px}
.seo p, .seo li{color:rgba(233,238,252,.88); line-height:1.45}
.seo .links{display:flex; gap:12px; flex-wrap:wrap}
.seo .links a{color:var(--muted); text-decoration:none}
.seo .links a:hover{color:var(--ink)}

.footer{
  border-top:1px solid var(--line);
  color:var(--muted);
  padding:14px 18px;
}
.footer__inner{
  width:min(980px,92vw);
  margin:0 auto;
  display:flex; justify-content:space-between; gap:10px; flex-wrap:wrap;
}

@media (max-width: 720px){
  .controls{grid-template-columns: 1fr}
}