.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
}
.auth-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
}
.form-floating input:focus {
    border-color: #6366f1;
    box-shadow: 0 0 0 0.2rem rgba(99, 102, 241, 0.25);
}
.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
}
.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}