:root { --bg: #010635; --card: #0a1149; --fg: #e6ecfb; --muted: #8a9bc2; --accent: #0093fe; --accent-dark: #0066b8; --border: #1b2570; --error: #e05c5c; --success: #4ade80; }
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin:0; font-family: -apple-system, system-ui, sans-serif; background: var(--bg); color: var(--fg); line-height: 1.5; }
header { display:flex; justify-content:space-between; align-items:center; padding: 16px 24px; border-bottom: 1px solid var(--border); }
.logo { font-weight: 700; font-size: 18px; }
main { max-width: 800px; margin: 0 auto; padding: 24px; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 24px; margin-bottom: 16px; }
h1 { font-size: 32px; margin: 0 0 16px; }
h2 { font-size: 18px; margin: 24px 0 12px; }
input { width: 100%; padding: 12px; background: var(--card); color: var(--fg); border: 1px solid var(--border); border-radius: 8px; font-size: 16px; }
input:focus { outline: 2px solid var(--accent); outline-offset: 2px; }
.btn-primary, .btn-secondary { display:inline-block; padding: 12px 20px; border-radius: 8px; text-decoration: none; cursor: pointer; border:none; font-size: 16px; font-weight: 600; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:disabled { background: var(--border); color: var(--muted); }
.btn-secondary { background: transparent; color: var(--fg); border: 1px solid var(--border); }
.error { color: var(--error); }
.success { color: var(--success); }
.hint { color: var(--muted); font-size: 14px; }
.auth-card { max-width: 400px; margin: 80px auto; padding: 32px; background: var(--card); border-radius: 12px; }
.plan, .provider { display:flex; padding: 14px; border:1px solid var(--border); border-radius: 12px; margin-bottom: 8px; cursor:pointer; }
.plan.selected, .provider.selected { border-color: var(--accent); background:#0e175c; }
.connection-row { display:flex; gap:16px; flex-wrap:wrap; align-items:flex-start; }
.connection-controls { flex:1; min-width: 240px; display:flex; flex-direction:column; gap:8px; }
.connection-qr { background:#fff; padding:8px; border-radius:8px; line-height:0; flex-shrink:0; }
.connection-qr img { display:block; width:180px; height:180px; image-rendering: pixelated; }
.hero { text-align: center; padding: 80px 24px; }
.hero h1 { font-size: 48px; }
.features ul { list-style: none; padding: 0; }
.features li::before { content: '✓ '; color: var(--success); }