:root{
  --bg:#0b1220;
  --card:#0f1a2f;
  --card2:#0c1528;
  --text:#eaf0ff;
  --muted:#aab7d6;
  --brand:#3b82f6;
  --brand2:#60a5fa;
  --border:rgba(255,255,255,.10);
  --shadow: 0 18px 45px rgba(0,0,0,.35);
  --radius:16px;
  --max:1180px;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Noto Sans Devanagari", sans-serif;
  color:var(--text);
  background:
    radial-gradient(1000px 500px at 15% 10%, rgba(59,130,246,.22), transparent 60%),
    radial-gradient(900px 500px at 85% 20%, rgba(96,165,250,.18), transparent 60%),
    linear-gradient(180deg, #070b14 0%, #0b1220 100%);
  min-height:100vh;
}

a{color:var(--brand2);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:var(--max);margin:0 auto;padding:18px}
.header{
  position:sticky;top:0;z-index:50;
  backdrop-filter: blur(10px);
  background: rgba(11,18,32,.65);
  border-bottom:1px solid var(--border);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:14px}
.brand{
  display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.2px
}
.logo{
  width:40px;height:40px;border-radius:12px;
  background: linear-gradient(135deg, rgba(59,130,246,1) 0%, rgba(96,165,250,1) 100%);
  box-shadow: var(--shadow);
}
.nav{display:flex;gap:10px;flex-wrap:wrap;align-items:center;justify-content:flex-end}
.nav a{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 12px;border-radius:12px;
  color:var(--text);border:1px solid transparent;
}
.nav a:hover{background:rgba(255,255,255,.06);border-color:var(--border);text-decoration:none}
.nav .active{background:rgba(59,130,246,.14);border-color:rgba(59,130,246,.35)}

.hero{
  padding:26px 0 8px;
}
.h-title{font-size:32px;line-height:1.15;margin:0 0 8px}
.h-sub{margin:0;color:var(--muted);max-width:80ch}

.grid{
  display:grid;
  grid-template-columns: 1.4fr .6fr;
  gap:16px;
  margin-top:16px;
}
@media (max-width: 980px){
  .grid{grid-template-columns:1fr}
}

.card{
  background: linear-gradient(180deg, rgba(15,26,47,.85) 0%, rgba(12,21,40,.92) 100%);
  border:1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.card .pad{padding:16px}
.card h2{margin:0 0 10px;font-size:18px}
.muted{color:var(--muted)}
.small{font-size:13px}

.controls{
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin:10px 0 0
}
.btn{
  appearance:none;border:1px solid var(--border);
  background: rgba(255,255,255,.06);
  color:var(--text);
  padding:10px 12px;border-radius:12px;
  cursor:pointer;
  display:inline-flex;align-items:center;gap:8px;
}
.btn:hover{background:rgba(255,255,255,.10)}
.btn.primary{
  background: rgba(59,130,246,.22);
  border-color: rgba(59,130,246,.45);
}
.btn.primary:hover{background:rgba(59,130,246,.30)}
.btn.danger{
  background: rgba(239,68,68,.15);
  border-color: rgba(239,68,68,.35);
}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 10px;border-radius:999px;
  border:1px solid var(--border);
  background: rgba(255,255,255,.05);
  color:var(--muted);
  font-size:13px;
}

textarea{
  width:100%;
  min-height:260px;
  resize:vertical;
  padding:14px 14px;
  font-size:18px;
  line-height:1.55;
  border-radius:14px;
  outline:none;
  border:1px solid var(--border);
  background: rgba(2,6,23,.55);
  color: var(--text);
}
textarea:focus{border-color: rgba(96,165,250,.55); box-shadow: 0 0 0 4px rgba(59,130,246,.18)}

.row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;margin-top:10px}
.row .left,.row .right{display:flex;flex-wrap:wrap;gap:10px;align-items:center}

.select, input[type="text"]{
  padding:10px 12px;border-radius:12px;
  border:1px solid var(--border);
  background: rgba(255,255,255,.05);
  color: var(--text);
  outline:none;
}
.select:focus, input[type="text"]:focus{border-color: rgba(96,165,250,.55)}

kbd{
  background: rgba(255,255,255,.08);
  border:1px solid var(--border);
  padding:3px 6px;border-radius:8px;font-size:12px;color:var(--text)
}

.kb{
  display:grid;
  grid-template-columns: repeat(12, 1fr);
  gap:8px;
}
@media(max-width:720px){
  .kb{grid-template-columns: repeat(6, 1fr)}
}
.key{
  border:1px solid var(--border);
  background: rgba(255,255,255,.05);
  border-radius:12px;
  padding:10px 8px;
  cursor:pointer;
  text-align:center;
  user-select:none;
}
.key:hover{background:rgba(255,255,255,.09)}
.key .en{display:block;font-size:11px;color:var(--muted);margin-top:4px}

.hr{height:1px;background:var(--border);margin:14px 0}
.footer{
  margin-top:22px;
  border-top:1px solid var(--border);
  background: rgba(11,18,32,.55);
}
.footer-inner{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;padding:16px 0}
.footer a{color:var(--muted)}
.footer a:hover{color:var(--text);text-decoration:none}

.notice{
  border:1px dashed rgba(96,165,250,.45);
  background: rgba(59,130,246,.10);
  border-radius: 14px;
  padding:12px 14px;
  color: var(--muted);
}