:root{
  --bg:#0b0f19;
  --fg:#e6e9ef;
  --fg-dim:#a9b0bd;
  --card:#101828cc;
  --stroke:#223;
  --primary:#5eead4;
  --primary-ink:#06201c;
  --focus:#93c5fd;
  --radius:1.25rem;
  --shadow:0 10px 30px rgba(0,0,0,.35);
  --gap: clamp(16px, 2vw, 28px);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0; font-family:ui-sans-serif,system-ui,Segoe UI,Roboto,Inter,Arial,sans-serif;
  background:var(--bg); color:var(--fg); line-height:1.5;
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
}

.shell{width:min(1100px, 92vw); margin-inline:auto}
header.shell{padding:20px 0}
.main{min-height:calc(100svh - 160px); display:grid; place-items:center; padding:40px 0}
.foot{display:flex; align-items:center; justify-content:space-between; gap:16px; padding:20px 0; color:var(--fg-dim); border-top:1px solid #151a22}

.brand{display:flex; align-items:center; gap:12px; text-decoration:none; color:var(--fg)}
.logo{width:28px; height:28px; fill:var(--primary); filter:drop-shadow(0 0 12px #5eead455)}
.brand-text{font-weight:700; letter-spacing:.4px}
.muted{color:var(--fg-dim)}

.card{
  width:min(850px, 100%);
  background:linear-gradient(180deg, #0f172aEE, #0a1022EE);
  border:1px solid #1a2233;
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  backdrop-filter: blur(10px);
  padding:clamp(20px, 5vw, 36px);
  position:relative;
  overflow:hidden;
}

.card:before{
  content:"";
  position:absolute; inset:-2px;
  background:conic-gradient(from 0turn, #5eead4 0%, transparent 8%, transparent 92%, #5eead4 100%);
  filter:blur(16px); opacity:.18; z-index:0; pointer-events:none;
}

h1{margin:0 0 8px; font-size:clamp(28px, 4.5vw, 44px); letter-spacing:.2px}
.sub{margin:0 0 22px; color:var(--fg-dim); font-size:clamp(14px, 2.2vw, 16px)}

.progress{display:grid; gap:10px; margin:12px 0 18px}
.bar{
  height:12px; border-radius:999px; background:#121a28; border:1px solid #1a2233; overflow:hidden;
}
.fill{display:block; height:100%; width:42%; background:
  linear-gradient(90deg, #5eead4, #5dd9ff);
  box-shadow:0 0 24px #5eead466 inset;
  border-right:1px solid #ffffff20;
  transition:width .8s ease;
}
.pct{font-variant-numeric:tabular-nums; color:var(--fg-dim); font-size:14px}

.form{display:grid; grid-template-columns:1fr auto; gap:12px; margin:8px 0 8px}
.form input{
  width:100%; padding:14px 14px; border-radius:12px;
  background:#0c1220; color:var(--fg);
  border:1px solid #1a2233; outline:none;
}
.form input::placeholder{color:#718198}
.form input:focus{border-color:#2a7dec; box-shadow:0 0 0 3px #1d4ed81f}

.btn{
  appearance:none; border:1px solid transparent; border-radius:12px;
  padding:12px 16px; font-weight:600; cursor:pointer;
  transition:transform .08s ease, box-shadow .2s ease, background .2s ease;
}
.btn:focus-visible{outline:3px solid var(--focus); outline-offset:2px}
.btn.primary{background:var(--primary); color:var(--primary-ink); box-shadow:0 8px 20px #5eead433}
.btn.primary:hover{transform:translateY(-1px)}
.btn.ghost{background:transparent; color:var(--fg); border-color:#263044}
.btn.ghost:hover{background:#111a29}
.btn.link{background:transparent; color:var(--fg-dim); border-color:transparent; text-decoration:underline}
.actions{display:flex; gap:10px; flex-wrap:wrap; margin-top:6px}

.note{margin:10px 0 0; color:#9fb0c7; min-height:1lh}

/* Background FX */
.bg{position:fixed; inset:0; z-index:-3; pointer-events:none}
.fx-grid{
  background:
    radial-gradient(circle at 50% 50%, #ffffff05 0 1px, transparent 1px) 0 0/22px 22px,
    radial-gradient(circle at 50% 50%, #ffffff03 0 1px, transparent 1px) 11px 11px/22px 22px;
  mask:linear-gradient(#000, transparent 70%);
}
.fx-grad{
  background:radial-gradient(1000px 600px at 20% 10%, #0ea5e9 0%, transparent 40%),
             radial-gradient(900px 600px at 80% 80%, #14b8a6 0%, transparent 45%);
  opacity:.35; filter:blur(24px);
}

.blob{
  position:fixed; width:42vmax; aspect-ratio:1/1; border-radius:50%;
  filter:blur(50px); z-index:-2; opacity:.18;
}
.b1{background:#22d3ee; top:-10vmax; left:-10vmax; animation:blob 24s ease-in-out infinite}
.b2{background:#22c55e; bottom:-12vmax; right:-12vmax; animation:blob 28s ease-in-out infinite reverse}
@keyframes blob{
  0%{transform:translate(0,0) scale(1)}
  33%{transform:translate(6vmax,3vmax) scale(1.2)}
  66%{transform:translate(-3vmax,5vmax) scale(.9)}
  100%{transform:translate(0,0) scale(1)}
}

/* Accessibility */
.sr{position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); border:0}

/* Responsive */
@media (max-width:560px){
  .form{grid-template-columns:1fr}
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce){
  .b1,.b2,.fx-grad,.fill{animation:none; transition:none}
}