.logo {
    max-width: 200px;
    margin-bottom: 20px;
}

.installer-container {
    max-width: 800px;
    margin: 50px auto;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.installer-header {
    background: linear-gradient(135deg, #3498db, #2c3e50);
    color: #fff;
    padding: 30px;
    text-align: center;
}

.installer-body {
    padding: 30px;
}

.installer-footer {
    background-color: #f8f9fa;
    padding: 15px;
    text-align: center;
    border-top: 1px solid #eee;
}

.step-indicator {
    display: flex;
    justify-content: space-between;
    margin-bottom: 30px;
    position: relative;
}

.step-indicator::before {
    content: '';
    position: absolute;
    top: 15px;
    left: 0;
    right: 0;
    height: 2px;
    background-color: #e9ecef;
    z-index: 1;
}

.step {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background-color: #e9ecef;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    position: relative;
    z-index: 2;
    transition: all 0.3s ease;
}

.step.active {
    background-color: #3498db;
    color: #fff;
    transform: scale(1.2);
}

.step.completed {
    background-color: #2ecc71;
    color: #fff;
}

.step-label {
    position: absolute;
    top: 35px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 12px;
    white-space: nowrap;
    font-weight: bold;
}

.requirement-item {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid #eee;
}

.requirement-status {
    font-weight: bold;
}

.status-passed {
    color: #2ecc71;
}

.status-failed {
    color: #e74c3c;
}

.btn-primary {
    background-color: #3498db;
    border-color: #3498db;
}

.btn-primary:hover {
    background-color: #2980b9;
    border-color: #2980b9;
}

.btn-success {
    background-color: #2ecc71;
    border-color: #2ecc71;
}

.btn-success:hover {
    background-color: #27ae60;
    border-color: #27ae60;
}

.card {
    border: none;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    margin-bottom: 20px;
}

.card-header {
    background-color: #f8f9fa;
    border-bottom: 1px solid #eee;
    font-weight: bold;
}

.form-control:focus {
    border-color: #3498db;
    box-shadow: 0 0 0 0.25rem rgba(52, 152, 219, 0.25);
}

.complete-icon {
    font-size: 80px;
    color: #2ecc71;
    margin-bottom: 20px;
}

.alert {
    border-radius: 8px;
    border: none;
}

.alert-info {
    background-color: #d1ecf1;
    color: #0c5460;
}

.alert-warning {
    background-color: #fff3cd;
    color: #856404;
}

.alert-danger {
    background-color: #f8d7da;
    color: #721c24;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
}