:root {
  --bg: #0b1220;
  --card: #111827;
  --border: #1f2937;
  --text: #e5e7eb;
  --muted: #94a3b8;
  --accent: #2563eb;
  --accent2: #0ea5e9;
  --err: #fca5a5;
  --ok: #86efac;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Segoe UI", system-ui, sans-serif;
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(37,99,238,.25), transparent 55%),
    radial-gradient(900px 500px at 90% 0%, rgba(14,165,233,.18), transparent 50%),
    var(--bg);
  color: var(--text);
  min-height: 100vh;
}
a { color: #93c5fd; text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.card {
  width: 100%;
  max-width: 420px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 28px;
  box-shadow: 0 20px 50px rgba(0,0,0,.35);
}
.card--wide { max-width: 640px; }
h1 { margin: 0 0 8px; font-size: 1.4rem; }
.sub { margin: 0 0 20px; color: var(--muted); font-size: .95rem; line-height: 1.45; }
label { display: block; margin: 12px 0 6px; font-size: .85rem; color: #cbd5e1; }
input {
  width: 100%;
  padding: 11px 12px;
  border-radius: 9px;
  border: 1px solid #374151;
  background: #0b1220;
  color: #fff;
}
button, .btn {
  display: inline-block;
  width: 100%;
  margin-top: 16px;
  padding: 11px 14px;
  border: 0;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
  font-weight: 650;
  cursor: pointer;
  text-align: center;
  text-decoration: none;
}
.btn-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 16px; }
.btn-row .btn { margin-top: 0; width: 100%; }
.btn--ghost {
  background: transparent;
  border: 1px solid #374151;
  color: var(--text);
}
.err { margin-top: 12px; color: var(--err); font-size: .9rem; }
.ok { margin-top: 12px; color: var(--ok); font-size: .9rem; }
.links { margin-top: 18px; font-size: .9rem; color: var(--muted); }
.brand { font-weight: 700; letter-spacing: .02em; margin-bottom: 18px; color: #fff; }
.meta { display: grid; gap: 10px; margin: 18px 0; }
.meta div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: rgba(15,23,42,.55);
}
.meta span { color: var(--muted); }
.topnav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}