:root{
  --bg0:#05070b;
  --bg1:#0b1220;
  --card:#0e1a2d;
  --text:#eaf0ff;
  --muted:rgba(234,240,255,.72);
  --line:rgba(234,240,255,.12);
  --ice:#72d7ff;
  --ice2:#3aa7ff;
  --ember:#ffb25a;
  --danger:#ff6b6b;
  --ok:#43d39e;

  --radius:16px;
  --shadow: 0 18px 50px rgba(0,0,0,.45);
  --shadow2: 0 10px 30px rgba(0,0,0,.35);
  --font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Apple Color Emoji","Segoe UI Emoji";
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:var(--font);
  color:var(--text);
  background:
    radial-gradient(1200px 700px at 20% -10%, rgba(114,215,255,.20), transparent 55%),
    radial-gradient(900px 600px at 80% 0%, rgba(255,178,90,.10), transparent 55%),
    radial-gradient(900px 800px at 50% 120%, rgba(58,167,255,.12), transparent 55%),
    linear-gradient(180deg, var(--bg0), var(--bg1));
}

a{color:var(--ice); text-decoration:none}
a:hover{color:#a6e9ff}

.container{
  width:min(1100px, calc(100% - 32px));
  margin:0 auto;
}

.topbar{
  position:sticky; top:0; z-index:50;
  backdrop-filter: blur(10px);
  background: rgba(5,7,11,.65);
  border-bottom:1px solid var(--line);
}

.topbar__inner{
  height:64px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}

.brand{
  display:flex; align-items:center; gap:12px;
  color:var(--text);
  font-weight:700;
  letter-spacing:.2px;
}
.brand__mark{
  width:34px; height:34px; border-radius:10px;
  background:
    radial-gradient(circle at 30% 25%, rgba(255,255,255,.35), transparent 35%),
    linear-gradient(135deg, rgba(114,215,255,.85), rgba(58,167,255,.25));
  box-shadow: 0 10px 25px rgba(114,215,255,.18);
  border:1px solid rgba(234,240,255,.16);
}
.brand__text{font-size:15px}

.nav{display:flex; align-items:center; gap:14px}
.nav__link{color:var(--muted); font-weight:600; font-size:14px}
.nav__link:hover{color:var(--text)}
.nav__muted{opacity:.9}
.nav__btn{
  padding:10px 14px;
  border-radius:12px;
  background: linear-gradient(135deg, rgba(114,215,255,.95), rgba(58,167,255,.35));
  color:#061018;
  font-weight:800;
  border:1px solid rgba(234,240,255,.15);
  box-shadow: 0 12px 30px rgba(58,167,255,.18);
}
.nav__btn:hover{filter:brightness(1.05); color:#061018}

.disclaimer{
  border-bottom:1px solid var(--line);
  background: rgba(14,26,45,.35);
}
.disclaimer__inner{
  padding:10px 0;
  color:var(--muted);
  font-size:13px;
}
.disclaimer strong{color:var(--text)}

.main{padding:28px 0 46px}

.card{
  background: rgba(14,26,45,.55);
  border:1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow2);
  padding:18px;
}

.h1{
  font-size:32px;
  margin:0 0 12px;
  letter-spacing:-.4px;
}
.sub{
  color:var(--muted);
  margin:0 0 18px;
}

.form{
  display:grid;
  gap:12px;
}
.label{
  font-size:13px;
  color:var(--muted);
  font-weight:700;
}
.input{
  width:100%;
  padding:12px 12px;
  border-radius:14px;
  border:1px solid var(--line);
  background: rgba(5,7,11,.35);
  color:var(--text);
  outline:none;
}
.input:focus{
  border-color: rgba(114,215,255,.55);
  box-shadow: 0 0 0 4px rgba(114,215,255,.10);
}

.btn{
  padding:12px 14px;
  border-radius:14px;
  border:1px solid rgba(234,240,255,.16);
  background: linear-gradient(135deg, rgba(255,178,90,.95), rgba(255,178,90,.25));
  color:#1a0f06;
  font-weight:900;
  cursor:pointer;
  box-shadow: var(--shadow2);
}
.btn:hover{filter:brightness(1.04)}
.btn--ice{
  background: linear-gradient(135deg, rgba(114,215,255,.95), rgba(58,167,255,.35));
  color:#061018;
}

.flash{
  margin:0 0 14px;
  padding:12px 14px;
  border-radius:14px;
  border:1px solid rgba(255,178,90,.25);
  background: rgba(255,178,90,.10);
  color: var(--text);
}

.error{
  margin:0 0 14px;
  padding:12px 14px;
  border-radius:14px;
  border:1px solid rgba(255,107,107,.25);
  background: rgba(255,107,107,.10);
  color: var(--text);
}

.footer{
  border-top:1px solid var(--line);
  background: rgba(5,7,11,.55);
}
.footer__inner{
  padding:22px 0;
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:18px;
  flex-wrap:wrap;
}
.footer__brand{font-weight:900}
.footer__muted{color:var(--muted); font-size:13px}