:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --info-color: #0dcaf0;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f8f9fa;
}

.navbar-brand {
    font-weight: bold;
    font-size: 1.5rem;
}

.card {
    border: none;
    border-radius: 15px;
    overflow: hidden;
}

.card-header {
    border-bottom: none;
}

.section-header {
    border-left: 4px solid var(--primary-color);
    background-color: #f8f9fa !important;
}

.form-label {
    font-weight: 500;
    color: #495057;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

.btn {
    border-radius: 8px;
    padding: 10px 20px;
    font-weight: 500;
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-primary:hover {
    background-color: #0b5ed7;
    border-color: #0a58ca;
}

.progress {
    border-radius: 15px;
    background-color: #e9ecef;
}

.progress-bar {
    background-color: var(--primary-color);
    font-weight: 500;
    border-radius: 15px;
}

.list-group-item {
    border: none;
    background-color: transparent;
    padding: 0.75rem 1rem;
}

.list-group-item i {
    font-size: 1.1rem;
}

.alert {
    border-radius: 10px;
    border: none;
}

.alert-info {
    background-color: #cff4fc;
    color: #055160;
}

/* File input styling */
input[type="file"] {
    padding: 0.5rem;
    background-color: white;
    border: 1px solid #ced4da;
    border-radius: 0.375rem;
}

input[type="file"]::file-selector-button {
    padding: 0.375rem 0.75rem;
    margin-right: 1rem;
    border-radius: 0.375rem;
    border: none;
    background-color: var(--primary-color);
    color: white;
    cursor: pointer;
}

input[type="file"]::file-selector-button:hover {
    background-color: #0b5ed7;
}

/* Social links */
.social-links .btn {
    border-radius: 50px;
    padding: 8px 20px;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .container {
        padding-left: 15px;
        padding-right: 15px;
    }
    
    .card-body {
        padding: 1.5rem !important;
    }
    
    .btn {
        width: 100%;
        margin-bottom: 10px;
    }
    
    .d-flex {
        flex-direction: column;
    }
    
    .d-flex .btn {
        margin-bottom: 10px;
    }
}

/* Animation for section transitions */
.form-section {
    transition: all 0.3s ease-in-out;
}

/* Loading spinner */
.spinner-border {
    width: 1rem;
    height: 1rem;
    margin-right: 0.5rem;
}