:root{
  --bg:#0f1222;
  --elev:#151936;
  --muted:#94a3b8;
  --text:#e2e8f0;
  --primary:#3b82f6; /* blue-500 */
  --primary-2:#1e3a8a; /* blue-900 */
  --ring:rgba(59,130,246,.35);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:'Poppins', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: radial-gradient(1200px 800px at -10% -20%, rgba(56,189,248,.18), transparent 50%),
              radial-gradient(1200px 800px at 120% 120%, rgba(30,64,175,.22), transparent 50%),
              var(--bg);
  color:var(--text);
}

.app{max-width:1100px;margin:0 auto;padding:24px}
.app__header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.logo{font-weight:700;font-size:22px;letter-spacing:.3px}
.controls{display:flex;gap:8px}
.ui-lang{display:flex;align-items:center;gap:6px;background:var(--elev);border:1px solid #27314f;padding:6px 10px;border-radius:10px;color:var(--muted);font-size:12px}
.ui-lang select{appearance:none;background:transparent;border:none;color:var(--text);padding:0 4px;min-width:100px;cursor:pointer}
.controls .gh{color:var(--muted);text-decoration:none;border:1px solid #27314f;padding:6px 10px;border-radius:10px}
.controls button{background:var(--elev);border:1px solid #27314f;color:var(--text);border-radius:10px;padding:6px 10px;cursor:pointer}
.controls button:hover{filter:brightness(1.1)}
.auto-toggle{display:flex;align-items:center;gap:6px;background:var(--elev);border:1px solid #27314f;padding:6px 10px;border-radius:10px}
.auto-toggle input{accent-color:var(--primary);cursor:pointer}

.translator .panel{background:rgba(255,255,255,.02);backdrop-filter:blur(6px);border:1px solid #27314f;border-radius:16px;box-shadow:0 10px 30px rgba(0,0,0,.25)}
.selects{display:flex;gap:10px;align-items:center;padding:16px;border-bottom:1px solid #27314f}
.selects label{display:flex;flex-direction:column;gap:6px;font-size:12px;color:var(--muted)}
.selects select{appearance:none;background:var(--elev);border:1px solid #27314f;color:var(--text);padding:10px 12px;border-radius:12px;min-width:180px}
.swap{background:linear-gradient(135deg, var(--primary), var(--primary-2));border:none;color:#e2e8f0;padding:10px 12px;border-radius:50px;cursor:pointer;box-shadow:0 10px 18px rgba(59,130,246,.25)}
.swap:hover{transform:translateY(-1px)}

.areas{display:grid;grid-template-columns:1fr 1fr;gap:0;border-bottom-left-radius:16px;border-bottom-right-radius:16px}
.area{padding:16px}
.area textarea{width:100%;height:240px;background:transparent;border:none;resize:vertical;color:var(--text);font-size:16px;line-height:1.5;outline:none}
.area textarea::placeholder{color:#64748b}
.area__toolbar{display:flex;align-items:center;justify-content:space-between;margin-top:8px}
.muted{color:var(--muted);font-size:12px}
.actions{display:flex;gap:8px}
.actions button{background:var(--elev);border:1px solid #27314f;color:var(--text);border-radius:10px;padding:6px 10px;cursor:pointer}
.actions button:hover{filter:brightness(1.1)}
.footer-actions{display:flex;justify-content:center;padding:16px}
.primary{background:linear-gradient(135deg, var(--primary), var(--primary-2));border:none;color:#e2e8f0;padding:12px 18px;border-radius:14px;font-weight:600;cursor:pointer;box-shadow:0 10px 18px rgba(59,130,246,.25)}
.primary:focus{outline:2px solid var(--ring)}

.app__footer{margin-top:18px;color:var(--muted);font-size:12px;text-align:center}

@media (max-width: 900px){
  .areas{grid-template-columns:1fr}
  .area textarea{height:180px}
}