.step {
    transition: all 0.3s ease;
}

.ppdb-loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Style untuk halaman detail */
.card-title {
    font-weight: 600;
}

.table th {
    font-weight: 600;
    color: #495057;
}

.border-bottom {
    border-color: #dee2e6 !important;
}

.badge {
    font-size: 0.85em;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .d-flex.justify-content-between {
        flex-direction: column;
        gap: 1rem;
    }
    
    .d-flex.justify-content-between .btn {
        margin-bottom: 0.5rem;
    }
}

.progress {
    border-radius: 10px;
    overflow: hidden;
}
.progress-bar {
    transition: width 0.5s ease-in-out;
}
.card {
    border-radius: 15px;
}
.card-header {
    border-radius: 15px 15px 0 0 !important;
}
.form-control, .form-control-lg {
    border-radius: 10px;
    border: 2px solid #e9ecef;
    transition: all 0.3s ease;
}
.form-control:focus, .form-control-lg:focus {
    border-color: #0d6efd;
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}
.btn {
    border-radius: 10px;
    font-weight: 600;
    transition: all 0.3s ease;
}
.step {
    animation: fadeIn 0.5s ease-in;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
.is-invalid {
    border-color: #dc3545 !important;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' width='12' height='12' fill='none' stroke='%23dc3545'%3e%3ccircle cx='6' cy='6' r='4.5'/%3e%3cpath d='m5.8 3.6.4.4.4-.4'/%3e%3cpath d='M6 7v2'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right calc(0.375em + 0.1875rem) center;
    background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
}