:root {
    --primary: #0056b3;
    --primary-light: #0069d9;
    --primary-dark: #004494;
    --white: #ffffff;
    --light-gray: #f8f9fa;
    --gray: #e9ecef;
    --dark-gray: #6c757d;
    --success: #28a745;
    --danger: #dc3545;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--light-gray);
    color: #333;
    line-height: 1.6;
}

.header {
    background-color: var(--primary);
    color: var(--white);
    text-align: center;
    padding: 1.5rem;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.header h1 {
    margin: 0.5rem 0;
    font-size: 2.2rem;
}

.logo {
    height: 50px;
    margin-bottom: 10px;
}

.container {
    max-width: 1000px;
    margin: 2rem auto;
    padding: 0 20px;
}

.step {
    display: none;
    background: var(--white);
    border-radius: 8px;
    padding: 2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.step.active {
    display: block;
    animation: fadeIn 0.3s ease-in;
}

.step h2 {
    color: var(--primary-dark);
    margin-bottom: 1.5rem;
    text-align: center;
}

.options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.option-card {
    background-color: var(--white);
    border: 1px solid var(--gray);
    border-radius: 8px;
    padding: 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.option-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-light);
}

.option-card .icon {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.option-card h3 {
    color: var(--primary-dark);
    margin-bottom: 0.5rem;
}

.option-card p {
    color: var(--dark-gray);
    font-size: 0.9rem;
}

.connection-options {
    margin: 2rem 0;
}

.radio-container {
    display: block;
    position: relative;
    padding-left: 35px;
    margin-bottom: 20px;
    cursor: pointer;
    font-size: 18px;
}

.radio-container input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

.checkmark {
    position: absolute;
    top: 0;
    left: 0;
    height: 25px;
    width: 25px;
    background-color: #eee;
    border-radius: 50%;
}

.radio-container:hover input ~ .checkmark {
    background-color: #ccc;
}

.radio-container input:checked ~ .checkmark {
    background-color: var(--primary);
}

.checkmark:after {
    content: "";
    position: absolute;
    display: none;
}

.radio-container input:checked ~ .checkmark:after {
    display: block;
}

.radio-container .checkmark:after {
    top: 9px;
    left: 9px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: white;
}

.button-group {
    display: flex;
    justify-content: space-between;
    margin-top: 2rem;
}

.back-btn, .next-btn, .submit-btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: background-color 0.2s;
}

.back-btn {
    background-color: var(--gray);
    color: var(--dark-gray);
}

.back-btn:hover {
    background-color: #d0d4d9;
}

.next-btn, .submit-btn {
    background-color: var(--primary);
    color: var(--white);
}

.next-btn:hover, .submit-btn:hover {
    background-color: var(--primary-dark);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--primary-dark);
}

.form-group input, .select-container select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--gray);
    border-radius: 4px;
    font-size: 1rem;
    transition: border-color 0.2s;
}

.form-group input:focus, .select-container select:focus {
    outline: none;
    border-color: var(--primary-light);
    box-shadow: 0 0 0 2px rgba(74, 150, 211, 0.25);
}

.select-container {
    margin: 1.5rem 0;
}

.phone-number {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 2rem 0;
    padding: 1rem;
    background-color: var(--light-gray);
    border-radius: 8px;
}

.phone-number i {
    font-size: 1.5rem;
    color: var(--primary);
    margin-right: 0.75rem;
}

.phone-number a {
    font-size: 1.5rem;
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
}

.loading-container {
    text-align: center;
    padding: 2rem;
}

.loader {
    border: 5px solid var(--gray);
    border-top: 5px solid var(--primary);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
    margin: 2rem auto;
}

.progress-text {
    color: var(--dark-gray);
    margin-top: 1rem;
}

.error-container {
    text-align: center;
    padding: 2rem;
}

.error-container i {
    font-size: 3rem;
    color: var(--danger);
    margin-bottom: 1rem;
}

footer {
    background-color: var(--primary-dark);
    color: var(--white);
    text-align: center;
    padding: 1rem;
    margin-top: 2rem;
}

/* Styling for change printer brand button */
.change-brand-btn {
    display: block;
    background-color: var(--gray);
    color: var(--dark-gray);
    text-align: center;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 4px;
    margin: 1rem auto;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s;
}

.change-brand-btn:hover {
    background-color: #d0d4d9;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .header h1 {
        font-size: 1.8rem;
    }
    
    .options {
        grid-template-columns: 1fr;
    }
    
    .option-card {
        margin-bottom: 1rem;
    }
    
    .button-group {
        flex-direction: column;
        gap: 1rem;
    }
    
    .back-btn, .next-btn, .submit-btn {
        width: 100%;
    }
}