:root{
  --bg:#0b0f14;
  --bg2:#121a23;
  --card:#0f1620cc;
  --text:#e6edf3;
  --muted:#9fb0c0;
  --accent:#7bd88f;
  --danger:#ff6b6b;
  --focus:#9ac1ff;
  --btn:#1c2936;
  --btnHover:#233244;
  --border:#223040;
  --shadow:0 10px 30px rgba(0,0,0,.35), inset 0 1px 0 rgba(255,255,255,.03);
  --radius:14px;
  --speed:220ms;
  --easing:cubic-bezier(.2,.8,.2,1);
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0; color:var(--text);
  font:16px/1.5 system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,"Noto Sans",sans-serif;
  letter-spacing:.1px;
  overflow-x:hidden;
  /*background:    radial-gradient(1200px 600px at 80% -10%, #1a2330 0%, transparent 60%),    radial-gradient(900px 500px at 10% 110%, #13202b 0%, transparent 60%),    var(--bg);*/
  background:
  radial-gradient(#ffffff 1px, transparent 1px) 0 0/26px 26px,
  radial-gradient(1300px 700px at 35% 40%, rgba(123,216,143,.10) 0%, transparent 60%),
  radial-gradient(900px 600px at 71% 64%, rgba(246,163,255,.10) 0%, transparent 60%),
  var(--bg);
}

.wrap{min-height:100%; display:flex; align-items:center; justify-content:center; padding:32px}
.card{
  width:min(880px, 94vw);
  background:linear-gradient(22deg, rgb(13, 19, 27), rgb(12, 26, 46)) , var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  backdrop-filter: blur(10px);
  padding:28px;
  transform:translateY(6px);
  opacity:0;
  animation:riseIn .6s var(--easing) forwards;
  transform: scale(1.8);
}
@keyframes riseIn { to { transform:translateY(0); opacity:1; } }

header{ display:flex; align-items:center; gap:14px; margin-bottom:18px; }
.logo{
  width:38px; height:38px; border-radius:10px;
  /*background:conic-gradient(from 0deg, #7bd88f, #7fc1ff, #f6a3ff, #7bd88f);*/
  filter:brightness(0.9);
  color: #ffffff;
  animation:spin 8s linear infinite;
}
@keyframes spin { to { transform:rotate(360deg); } }

h1{ font-size: clamp(20px, 2.6vw, 28px); margin:0 0 2px 0; letter-spacing:.3px }
.sub{ color:var(--muted); font-size:14px }

.question{
  margin-top:8px; padding:18px 16px; border:1px solid var(--border); border-radius:12px; background:rgba(255,255,255,.02);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.02);
  animation:fadeSlide .35s var(--easing);
  transition: transform 0.3s ease-out, box-shadow 0.3s ease-out;
}
@keyframes fadeSlide { from{opacity:0; transform:translateY(6px)} to{opacity:1; transform:translateY(0)} }

.qtext{font-size: clamp(18px, 2.3vw, 22px); margin:6px 0 14px 0}

.controls{ display:flex; gap:12px; flex-wrap:wrap }
button{
  appearance:none; border:1px solid var(--border);
  background:var(--btn); color:var(--text);
  padding:12px 16px; border-radius:12px; cursor:pointer;
  box-shadow:var(--shadow);
  transition: transform var(--speed) var(--easing), background var(--speed), border-color var(--speed);
  font-weight:600; letter-spacing:.2px;
}
button:hover{ background:var(--btnHover); transform: translateY(-1px)}
button:active{ transform: translateY(0)}
button.primary{ border-color: #2f4d6a; }
button.success{ border-color: #265c4c; }
button.warn{ border-color: #5b3d3d; }

.linklike{
  background:transparent; border:none; padding:0; cursor:pointer;
  color:var(--muted); text-decoration:underline; font-weight:600;
}
.linklike:hover{ color:var(--text) }

.inputRow{ display:flex; gap:12px; flex-wrap:wrap }
input[type="text"]{
  flex:1 1 280px; min-width:200px; padding:12px 14px; border-radius:12px;
  border:1px solid var(--border); background:#0c141d; color:var(--text);
  outline:none; transition:border-color var(--speed), box-shadow var(--speed);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.02);
}
input[type="text"]:focus{ border-color: var(--focus); box-shadow: 0 0 0 3px rgba(154,193,255,.15) }

.progress{
  height:10px; background:#0c141d; border:1px solid var(--border); border-radius:999px; overflow:hidden; margin:18px 0 6px 0;
}
.bar{ height:100%; width:0%; background:linear-gradient(90deg, #7bd88f, #7fc1ff); transition: width 340ms var(--easing) }
.meta{ display:flex; justify-content:space-between; color:var(--muted); font-size:13px; margin-bottom:8px}

.result{ display:grid; gap:10px; margin-top:6px; }
.result pre{
  margin:0; padding:12px; border-radius:10px; background:#0c141d; border:1px solid var(--border); overflow:auto;
}

.hint{ color:var(--muted); font-size:13px; margin-top:6px }
.error{ color:var(--danger); font-weight:600; }

.footer{
  margin-top:14px; color:var(--muted); font-size:12px;
  display:flex; gap:12px; justify-content:space-between; align-items:center; flex-wrap:wrap;
}
.footer-right{ display:flex; gap:8px; align-items:center }

/* Modal */
.modal{ position:fixed; inset:0; display:none; }
.modal.open{ display:block; }
.modal-backdrop{
  position:absolute; inset:0; background:rgba(0,0,0,.55);
  opacity:0; transition:opacity var(--speed) var(--easing);
}
.modal.open .modal-backdrop{ opacity:1; }
.modal-card{
  position:absolute; left:50%; top:50%; transform:translate(-50%,-46%) scale(.98);
  width:min(720px, 92vw); background:#0f1620; color:var(--text);
  border:1px solid var(--border); border-radius:14px; box-shadow:var(--shadow);
  padding:20px 20px 16px;
  opacity:0; transition: transform var(--speed) var(--easing), opacity var(--speed) var(--easing);
}
.modal.open .modal-card{ opacity:1; transform:translate(-50%,-50%) scale(1); }
.modal-body{ color:var(--muted); font-size:14px; line-height:1.6 }
.modal-actions{ margin-top:12px; display:flex; justify-content:flex-end; gap:10px }

/* reduced motion */
@media (prefers-reduced-motion: reduce){
  .logo{ animation:none }
  body{ animation:none }
  .bar{ transition:none }
  .modal-backdrop, .modal-card{ transition:none }
}

.question:hover {
  transform: scale(1.012);
  box-shadow: 0 0px 40px rgba(0, 0, 0, 0.075);
}
.lang {
  position: fixed;
  top: 4%;
  right: 2%;
}