@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');
:root {
  color-scheme: light;
  --bg: #0f172a;
  --panel: #0b1221;
  --card: #0f172a;
  --border: rgba(148, 163, 184, 0.24);
  --text: #e5e7eb;
  --muted: #94a3b8;
  --primary: #8b5cf6;
  --primary-2: #7c3aed;
  --accent: #06b6d4;
  --danger: #f87171;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: radial-gradient(circle at 18% 20%, rgba(124, 58, 237, 0.14) 0, transparent 28%),
              radial-gradient(circle at 82% 10%, rgba(6, 182, 212, 0.14) 0, transparent 26%),
              #0f172a;
  color: var(--text);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 12px;
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 22px;
  width: min(480px, 100%);
  box-shadow: 0 25px 80px rgba(0,0,0,0.35);
}
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}
.logo { font-weight: 800; letter-spacing: 0.02em; }
header a { color: var(--muted); text-decoration: none; font-weight: 600; }
.title { margin: 4px 0 8px; font-size: 26px; }
.muted { color: var(--muted); margin: 0 0 14px; line-height: 1.6; }
.tabs { display: inline-flex; border: 1px solid var(--border); border-radius: 12px; overflow: hidden; margin-bottom: 12px; }
.tab { padding: 10px 14px; cursor: pointer; color: var(--muted); background: #0b1221; border-right: 1px solid var(--border); font-weight: 700; }
.tab:last-child { border-right: none; }
.tab.active { background: linear-gradient(135deg, var(--primary), var(--primary-2)); color: #fff; }
form { display: grid; gap: 12px; }
.label { font-size: 13px; color: var(--muted); margin-bottom: 4px; display: block; }
input { width: 100%; padding: 12px; border-radius: 12px; border: 1px solid var(--border); background: #0b1221; color: var(--text); font-family: inherit; }
input:focus { outline: 2px solid var(--accent); border-color: transparent; }
button { padding: 12px 14px; border-radius: 12px; border: none; background: linear-gradient(135deg, var(--primary), var(--primary-2)); color: #fff; font-weight: 700; cursor: pointer; box-shadow: 0 16px 40px rgba(139, 92, 246, 0.4); }
.status { font-size: 13px; color: var(--muted); min-height: 20px; }
.status.error { color: var(--danger); }
.helper { font-size: 13px; color: var(--muted); }
.link { color: var(--accent); font-weight: 700; cursor: pointer; }