body { font-family: Arial, sans-serif; background: #0b1224; color: #e8ecf5; margin: 0; padding: 0; }
.install-wrap { max-width: 520px; margin: 60px auto; background: #121b33; padding: 32px; border-radius: 12px; box-shadow: 0 12px 32px rgba(0,0,0,0.35); }
h1 { margin-top: 0; font-size: 26px; text-align: center; }
form { display: grid; gap: 14px; }
label { display: grid; gap: 6px; font-size: 14px; }
input { padding: 10px 12px; border-radius: 8px; border: 1px solid #1f2b4d; background: #0d1426; color: #e8ecf5; }
input:focus { outline: 2px solid #2f8bff; }
button { padding: 12px; background: linear-gradient(90deg, #2f8bff, #60b7ff); color: #fff; border: none; border-radius: 10px; cursor: pointer; font-weight: bold; }
button:hover { filter: brightness(1.05); }
.alert { padding: 12px; border-radius: 8px; margin-bottom: 10px; }
.alert.error { background: #3b1d2a; color: #ff9cb3; }
.alert.success { background: #123524; color: #9cf5c2; }