body {
    font-family: 'Poppins', sans-serif;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f5f7fb;
    padding: 40px 15px;
}

.card {
    border: none;
    border-radius: 22px;
    overflow: hidden;
    backdrop-filter: blur(20px);
    background: rgba(255, 255, 255, .92);
    box-shadow: 0 20px 60px rgba(0, 0, 0, .25);
}

.card-header {
    background: linear-gradient(90deg, #0d6efd, #6610f2);
    padding: 30px;
    border: none;
}

.logo-circle {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: auto;
    margin-bottom: 15px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, .15);
}

.logo-circle i {
    font-size: 30px;
    color: #0d6efd;
}

.card-body {
    padding: 35px;
}

.form-label {
    font-weight: 600;
    color: #555;
    margin-bottom: 8px;
}

.input-group-text {
    border-radius: 12px 0 0 12px;
    border: none;
    background: #eef4ff;
    color: #0d6efd;
}

.form-control {
    border: none;
    border-radius: 0 12px 12px 0;
    padding: 14px;
    background: #f8f9fa;
    transition: .3s;
}

.form-control:focus {
    background: #f8f9fa;
    border-color: #dee2e6;
    box-shadow: none;
}

.btn-register {
    height: 54px;
    border-radius: 14px;
    font-weight: 600;
    font-size: 16px;
    background: linear-gradient(90deg, #0d6efd, #6610f2);
    border: none;
    transition: .3s;
}

.btn-register:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(13, 110, 253, .35);
}

.alert {
    border-radius: 12px;
}

.footer-text {
    color: #888;
    font-size: 13px;
}

.badge-custom {
    background: #eef4ff;
    color: #0d6efd;
    padding: 8px 14px;
    border-radius: 50px;
    font-weight: 500;
}

.text-red {
    --bs-text-opacity: 1;
    color: rgba(var(--bs-danger-rgb), var(--bs-text-opacity));
}

@media(max-width:768px) {
    .card-body {
        padding: 25px;
    }
}