.step-title {
    color: var(--primary-color);
    border-bottom: 2px solid var(--border-color-light, #dee2e6);
    padding-bottom: 10px;
    margin-bottom: 20px;
    font-size: 1.5rem;
    font-weight: 600;
}

body.theme-dark .step-title {
    color: #00c6ff;
    border-bottom-color: #3a505b;
}



.summary-card {
    background-color: var(--light-bg-color, #f8f9fa);
    border: 1px solid var(--border-color-light, #dee2e6);
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

body.theme-dark .summary-card {
    background-color: #1a2233;
    border-color: #00ffff;
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.4);
}

.summary-card hr {
    border-color: #495057;
}


.btn-checkout {
    background: linear-gradient(90deg, #00c6ff, #0072ff);
    color: #fff;
    border: none;
    font-weight: bold;
    padding: 12px 0;
    transition: all 0.3s ease;
    box-shadow: 0 4px 10px rgba(0, 198, 255, 0.3);
}

.btn-checkout:hover {
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(0, 198, 255, 0.4);
}

.btn-checkout:disabled {
    background: #343a40;
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
}


.plan-option {
    border: 2px solid var(--border-color-light, #dee2e6);
    border-radius: 8px;
    padding: 1.5rem;
    cursor: pointer;
    transition: all 0.2s ease-in-out;
    position: relative; 
}

body.theme-dark .plan-option {
    border-color: #3a505b;
}

.plan-option:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-color);
}

body.theme-dark .plan-option:hover {
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    border-color: #00c6ff;
}



.plan-option .form-check-input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    margin: 0;
    padding: 0;
    z-index: 1;
}

.plan-option .form-check-label {
    padding-left: 40px; 
    position: relative;
    z-index: 0;
}

.plan-option .form-check-label::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0; 
    width: 24px;
    height: 24px;
    border-radius: 50%;
    transition: all 0.2s ease-in-out;

    background-color: #FFFFFF !important;
    border: 2px solid #6c757d !important; 
}

.plan-option .form-check-label::after {
    content: '';
    position: absolute;
    left: 7px; 
    top: 7px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: #FFFFFF; 
    transform: scale(0); 
    transition: transform 0.2s ease-in-out;
}

.plan-option .form-check-input:checked + .form-check-label::before {
    background-color: var(--primary-color) !important; 
    border-color: var(--primary-color) !important;     
}

.plan-option .form-check-input:checked + .form-check-label::after {
    transform: scale(1); 
}

body.theme-dark .plan-option .form-check-label::before {
    background-color: #1a2233 !important; 
    border-color: #9ab !important; 
}

body.theme-dark .plan-option .form-check-input:checked + .form-check-label::before {
    background-color: #00ffff !important; 
    border-color: #00ffff !important;
}