body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
}

.navbar-brand {
    font-weight: 600;
    font-size: 1.5rem;
}

.card {
    border: none;
    border-radius: 15px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1) !important;
}

.input-group {
    border-radius: 10px;
    overflow: hidden;
}

.input-group-text {
    background-color: #f8f9fa;
    border: 1px solid #dee2e6;
    border-right: none;
}

.form-control {
    border: 1px solid #dee2e6;
    border-left: none;
    padding: 12px 15px;
    font-size: 1rem;
}

.form-control:focus {
    box-shadow: none;
    border-color: #0d6efd;
}

.btn-primary {
    background: linear-gradient(45deg, #0d6efd, #0b5ed7);
    border: none;
    padding: 12px 20px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background: linear-gradient(45deg, #0b5ed7, #0a58ca);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(13, 110, 253, 0.3);
}


#avatar {
    border: 4px solid #fff;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

#avatar:hover {
    transform: scale(1.05);
}


.bg-light {
    background-color: #f8f9fa !important;
    border: 1px solid #e9ecef;
    transition: all 0.3s ease;
}

.bg-light:hover {
    background-color: #e9ecef !important;
    transform: translateY(-2px);
}


.text-primary {
    color: #0d6efd !important;
}

.text-success {
    color: #198754 !important;
}

.text-info {
    color: #0dcaf0 !important;
}

.text-warning {
    color: #ffc107 !important;
}


.spinner-border {
    width: 3rem;
    height: 3rem;
}


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


.list-group-item {
    border: none;
    border-bottom: 1px solid #e9ecef;
    padding: 15px 0;
    transition: background-color 0.3s ease;
}

.list-group-item:hover {
    background-color: #f8f9fa;
}

.list-group-item:last-child {
    border-bottom: none;
}


footer {
    margin-top: auto;
}


@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }

    .card-body {
        padding: 1.5rem;
    }

    #avatar {
        width: 120px !important;
        height: 120px !important;
    }
}


.btn,
.card,
.form-control,
.input-group-text {
    transition: all 0.3s ease;
}


::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}


#results {
    animation: fadeInUp 0.5s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}


a {
    transition: color 0.3s ease;
}

a:hover {
    text-decoration: none;
}


.bi {
    transition: transform 0.3s ease;
}

.btn:hover .bi {
    transform: scale(1.1);
}


.form-control.is-invalid {
    border-color: #dc3545;
    box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25);
}

.form-control.is-valid {
    border-color: #198754;
    box-shadow: 0 0 0 0.2rem rgba(25, 135, 84, 0.25);
}