/* Mobile-friendly, clean UI */
:root { --bg:#0b1220; --card:#111a2e; --text:#e8eefc; --muted:#9bb0d1; --line:#203053; --btn:#3b82f6; --btn2:#22c55e; --danger:#ef4444; }
* { box-sizing: border-box; }
body { margin:0; font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif; background: radial-gradient(1200px 600px at 20% 10%, #1b2a52, var(--bg)); color: var(--text); }
.container { max-width: 420px; margin: 0 auto; padding: 18px; }
.card { margin-top: 26px; background: rgba(17,26,46,0.92); border: 1px solid var(--line); border-radius: 16px; padding: 18px; box-shadow: 0 12px 32px rgba(0,0,0,.35); }
.brand { font-weight: 800; font-size: 18px; letter-spacing: .2px; margin-bottom: 10px; }
h1 { font-size: 20px; margin: 10px 0 12px; }
p { color: var(--muted); margin: 8px 0; }
label { display:block; font-weight: 600; margin: 10px 0 6px; }
input[type="email"], input[type="password"], input[type="text"] {
  width: 100%; padding: 12px 12px; border-radius: 12px; border: 1px solid var(--line); background: #0b1326; color: var(--text);
}
.row { display:flex; gap:10px; align-items:center; justify-content:space-between; }
.small { font-size: 12px; color: var(--muted); }
a { color: #9cc2ff; text-decoration: none; }
a:hover { text-decoration: underline; }
.btn { width:100%; border: 0; border-radius: 12px; padding: 12px; font-weight: 700; cursor:pointer; margin-top: 12px; background: var(--btn); color: white; }
.btn.secondary { background: #2b3a62; }
.btn.green { background: var(--btn2); }
.alert { padding: 10px 12px; border-radius: 12px; margin: 10px 0; border: 1px solid var(--line); background: rgba(59,130,246,.12); color: #cfe2ff; }
.alert.danger { background: rgba(239,68,68,.12); color: #ffd0d0; border-color: rgba(239,68,68,.25); }
.footer { text-align:center; margin: 14px 0; color: rgba(155,176,209,.7); font-size: 12px; }
.checkbox { display:flex; gap:10px; align-items:center; margin-top: 10px; }
.checkbox input { width: 18px; height: 18px; }
hr { border:0; border-top:1px solid var(--line); margin: 14px 0; }