:root {
    --primary-navy: #1e3a5f;
    --secondary-navy: #2d5a8c;
    --accent-blue: #4a7ba7;
}

body {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: "Inter", "Segoe UI", sans-serif;
    margin: 0;
    padding: 20px;
}

.card {
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border: none;
    overflow: hidden;
    width: 100%;
    max-width: 450px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-navy) 0%, var(--secondary-navy) 100%);
    border: none;
    padding: 0.8rem;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #162c46 0%, #23476e 100%);
}