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

:root {
    --hainke-blue: #004f7c;
    --hainke-blue-hover: #003d61;
    --green: #22c55e;
    --green-hover: #16a34a;
    --red-bg: rgba(239, 68, 68, 0.1);
    --red-border: rgba(239, 68, 68, 0.3);
    --red-text: #991b1b;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-900: #111827;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--gray-100) 100%);
    color: var(--gray-900);
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header */
header {
    background: white;
    border-bottom: 1px solid var(--gray-200);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    padding: 1rem 0;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.firewall-icon {
    width: 3rem;
    height: 3rem;
    color: var(--hainke-blue);
}

h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
}

.subtitle {
    font-size: 0.875rem;
    color: var(--gray-600);
}

/* Main */
main {
    padding: 2rem 0;
}

.view {
    display: none;
}

.view.active {
    display: block;
}

.intro {
    text-align: center;
    margin-bottom: 2rem;
}

.intro h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.intro p {
    color: var(--gray-600);
    max-width: 48rem;
    margin: 0 auto;
}

/* Progress Steps */
.progress-steps {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2rem;
    position: relative;
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
    position: relative;
    cursor: pointer;
    transition: opacity 0.2s;
}

.step:hover {
    opacity: 0.8;
}

.step-number {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    background: var(--gray-200);
    color: var(--gray-600);
    transition: all 0.3s;
    z-index: 2;
}

.step.active .step-number,
.step.completed .step-number {
    background: var(--hainke-blue);
    color: white;
}

.step:hover .step-number {
    transform: scale(1.1);
}

.step-title {
    font-size: 0.75rem;
    margin-top: 0.5rem;
    text-align: center;
    color: var(--gray-600);
}

.step-line {
    position: absolute;
    top: 1.25rem;
    left: 50%;
    right: -50%;
    height: 2px;
    background: var(--gray-200);
    z-index: 1;
}

.step.completed .step-line {
    background: var(--hainke-blue);
}

.step:last-child .step-line {
    display: none;
}

/* Step Card */
.step-card {
    background: white;
    border-radius: 0.5rem;
    padding: 2rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    margin-bottom: 1.5rem;
}

.step-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.step-card p {
    color: var(--gray-600);
    margin-bottom: 1.5rem;
}

/* Form Elements */
.form-group {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--gray-700);
}

input[type="text"],
input[type="password"] {
    width: 100%;
    padding: 0.625rem 0.75rem;
    border: 1px solid var(--gray-300);
    border-radius: 0.375rem;
    font-size: 1rem;
    transition: border-color 0.2s;
}

input[type="text"]:focus,
input[type="password"]:focus {
    outline: none;
    border-color: var(--hainke-blue);
    box-shadow: 0 0 0 3px rgba(0, 79, 124, 0.1);
}

input.error {
    border-color: #ef4444;
}

.error-message {
    color: #ef4444;
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    margin-bottom: 1rem;
    padding: 0.5rem;
    border-radius: 0.375rem;
    transition: background 0.2s;
}

.checkbox-group:hover {
    background: var(--gray-50);
}

.checkbox-group input[type="checkbox"] {
    margin-top: 0.25rem;
}

.checkbox-group label {
    margin: 0;
    cursor: pointer;
    flex: 1;
}

input[type="checkbox"] {
    width: 1.125rem;
    height: 1.125rem;
    cursor: pointer;
}

.radio-group {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

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

input[type="radio"] {
    width: 1.125rem;
    height: 1.125rem;
    cursor: pointer;
}

/* Buttons */
.btn-primary,
.btn-outline {
    padding: 0.625rem 1.25rem;
    border-radius: 0.375rem;
    font-weight: 500;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    border: none;
}

.btn-primary {
    background: var(--green);
    color: white;
}

.btn-primary:hover:not(:disabled) {
    background: var(--green-hover);
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-outline {
    background: white;
    color: var(--gray-700);
    border: 1px solid var(--gray-300);
}

.btn-outline:hover:not(:disabled) {
    background: var(--gray-50);
}

.btn-outline:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Navigation */
.navigation {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
}

/* Info Box */
.info-box {
    background: var(--red-bg);
    border: 1px solid var(--red-border);
    border-radius: 0.5rem;
    padding: 1.5rem;
    margin-top: 2rem;
}

.info-box h3 {
    color: var(--red-text);
    font-size: 1.125rem;
    margin-bottom: 0.75rem;
}

.info-box ul {
    list-style: none;
    color: var(--red-text);
}

.info-box li {
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
}

.info-box li::before {
    content: "•";
    position: absolute;
    left: 0.5rem;
}

.info-box a {
    color: var(--red-text);
    font-weight: 600;
    text-decoration: underline;
}

/* VLAN Card */
.vlan-card {
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: 0.5rem;
    padding: 1.5rem;
    margin-bottom: 1rem;
}

.vlan-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.btn-remove {
    background: transparent;
    border: none;
    color: #ef4444;
    cursor: pointer;
    padding: 0.5rem;
}

.btn-add {
    background: var(--hainke-blue);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
}

.btn-add:hover {
    background: var(--hainke-blue-hover);
}

/* Grid */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

/* Summary */
.summary-box {
    background: var(--gray-50);
    border-radius: 0.5rem;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.summary-box h3 {
    margin-bottom: 1rem;
}

.summary-item {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}

.summary-item strong {
    min-width: 150px;
}

/* Success View */
.success-card {
    background: white;
    border-radius: 0.5rem;
    padding: 3rem;
    text-align: center;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    max-width: 48rem;
    margin: 2rem auto;
}

.success-icon {
    width: 4rem;
    height: 4rem;
    color: var(--green);
    margin-bottom: 1.5rem;
}

.success-card h2 {
    margin-bottom: 0.5rem;
}

.success-card p {
    color: var(--gray-600);
    margin-bottom: 1.5rem;
}

.success-info {
    background: var(--gray-50);
    border-radius: 0.5rem;
    padding: 1rem;
    margin-bottom: 1.5rem;
}

.success-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.text-muted {
    color: var(--gray-600);
    font-size: 0.875rem;
}

/* Service Categories */
.service-category {
    margin-bottom: 2rem;
}

.service-category h4 {
    font-size: 1rem;
    margin-bottom: 0.75rem;
    color: var(--hainke-blue);
    font-weight: 600;
}

/* Responsive */
@media (max-width: 768px) {
    .progress-steps {
        overflow-x: auto;
    }
    
    .step-title {
        display: none;
    }
    
    .grid-2 {
        grid-template-columns: 1fr;
    }
    
    .navigation {
        flex-direction: column;
    }
    
    .success-actions {
        flex-direction: column;
    }
}