:root {
    --primary-color: #4361ee;
    --secondary-color: #3f37c9;
    --accent-color: #4895ef;
    --success-color: #4cc9f0;
    --warning-color: #f72585;
    --light-color: #f8f9fa;
    --dark-color: #212529;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: #f5f7fa;
}

.bg-gradient-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
}

.card {
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    border: none;
}

.card-registration {
    border-radius: 15px;
}

.card-registration .card-header {
    background-color: var(--primary-color);
    color: white;
    padding: 20px;
    border-radius: 15px 15px 0 0;
}

.card-body {
    padding: 30px;
}

.form-control {
    border-radius: 8px;
    border: 1px solid #ced4da;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(67, 97, 238, 0.25);
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    border-radius: 8px;
    padding: 10px 20px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
    transform: translateY(-2px);
}

label {
    font-weight: 600;
    color: #495057;
    margin-bottom: 8px;
}

.form-group {
    margin-bottom: 20px;
}

.popover {
    color: var(--primary-color);
    cursor: pointer;
}

.bxs-info-circle {
    border: 1px solid transparent;
    color: var(--primary-color);
}

#resend_email_code {
    display: none;
}

.card-registration .select-input.form-control[readonly]:not([disabled]) {
    font-size: 1rem;
    line-height: 2.15;
    padding-left: .75em;
    padding-right: .75em;
}

.card-registration .select-arrow {
    top: 13px;
}

.verification-container {
    background-color: #f8f9fa;
    border-radius: 10px;
    padding: 15px;
    margin-bottom: 20px;
    border-left: 4px solid var(--primary-color);
}

.verification-title {
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.alert {
    border-radius: 8px;
    padding: 12px 15px;
}

.text-success {
    color: var(--success-color) !important;
}

.text-danger {
    color: var(--warning-color) !important;
}

/* Improved mobile responsiveness */
@media (max-width: 768px) {
    .card-body {
        padding: 20px;
    }

    .row {
        margin-left: -10px;
        margin-right: -10px;
    }

    .col-12 {
        padding-left: 10px;
        padding-right: 10px;
    }
}

.select2-container--bootstrap4 .select2-selection--single {
    height: calc(2.25rem + 2px) !important;
}

.select2-container--bootstrap4 .select2-selection--single .select2-selection__placeholder {
    color: #757575;
    line-height: 2.25rem;
}

.select2-container--bootstrap4 .select2-selection--single .select2-selection__arrow {
    position: absolute;
    top: 50%;
    right: 3px;
    width: 20px;
    transform: translateY(-50%);
}

.select2-container--bootstrap4 .select2-selection--single .select2-selection__rendered {
    line-height: 2.25rem;
}

.select2-container .select2-selection--single .select2-selection__rendered {
    padding-left: 12px;
}

.country-flag {
    width: 20px;
    height: 15px;
    margin-right: 6px;
    display: inline-block;
    vertical-align: middle;
}

.country-flag img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.radio-group {
    display: flex;
    gap: 1.5rem;
    align-items: center;
    margin-top: 10px;
    font-family: Arial, sans-serif;
}

.radio-option {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.radio-option input[type="radio"] {
    accent-color: #007bff;
    width: 18px;
    height: 18px;
}

.radio-option label {
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
}