/* style.css */

:root{
  --bg:#0f172a;
  --bg-soft:#111827;
  --card:#0b1220;
  --accent:#22d3ee;
  --accent-2:#06b6d4;
  --muted:#94a3b8;
  --text:#e5e7eb;
  --danger:#ef4444;
  --ring: rgba(34, 211, 238, .45);
  --shadow: 0 20px 40px rgba(0,0,0,.35);
  --radius: 14px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0; font-family:"Inter",system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
  background: radial-gradient(1200px 600px at 10% 10%, rgba(34,211,238,.12), transparent 60%),
              radial-gradient(1000px 600px at 90% 90%, rgba(6,182,212,.12), transparent 60%),
              var(--bg);
  color:var(--text);
  display:grid; place-items:center;
}

.container{
  width:min(420px, 92vw);
  background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
  border:1px solid rgba(255,255,255,.08);
  border-radius:var(--radius);
  padding:28px 26px 24px;
  box-shadow:var(--shadow);
  position:relative;
  overflow:hidden;
}

.container::before{
  content:""; position:absolute; inset:-2px; z-index:-1;
  background: radial-gradient(600px 200px at 0% 0%, rgba(34,211,238,.25), transparent 60%),
              radial-gradient(500px 160px at 100% 100%, rgba(6,182,212,.25), transparent 60%);
  filter: blur(20px);
}

h2{margin:0 0 6px; font-size:28px; letter-spacing:.2px;}
.subtitle{margin:0 0 18px; color:var(--muted); font-size:14px}
hr{border:none; height:1px; background:rgba(255,255,255,.08); margin:12px 0 18px}

form{display:grid; gap:14px}
.field{display:grid; gap:8px}
label{font-weight:600; font-size:14px}

.input{
  width:100%; padding:12px 14px; border-radius:12px;
  background:rgba(255,255,255,.04); border:1px solid rgba(255,255,255,.10);
  color:var(--text); outline:none; transition:.2s ease;
}
.input::placeholder{color:#94a3b8}
.input:focus{border-color:var(--accent); box-shadow:0 0 0 6px var(--ring)}

.password-wrapper{position:relative}
.toggle-btn{
  position:absolute; right:10px; top:50%; transform:translateY(-50%);
  border:0; background:transparent; color:var(--muted); cursor:pointer;
  font-size:13px; padding:6px 8px; border-radius:8px;
}
.toggle-btn:hover{color:var(--text); text-decoration:underline}

.btn{
  margin-top:6px; padding:12px 14px; border-radius:12px; width:100%;
  background:linear-gradient(180deg, var(--accent), var(--accent-2));
  color:#001018; font-weight:700; border:none; cursor:pointer;
  transition:transform .06s ease, filter .2s ease, opacity .2s ease;
}
.btn:hover{filter:brightness(1.05)}
.btn:active{transform:translateY(1px)}
.btn[disabled]{opacity:.6; cursor:not-allowed}

.alt{margin-top:12px; font-size:14px; color:var(--muted);}
.alt a{color:var(--accent); font-weight:600; text-decoration:none}
.alt a:hover{text-decoration:underline}

.error{display:none; margin-top:-6px; font-size:13px; color:var(--danger)}

@media (max-width:380px){
  .container{padding:22px 18px}
}