/* Cloudflare Workers Traffic Router Demo - Styles */
:root {
    --primary-color: #007acc;
    --primary-hover: #005999;
    --success-color: #28a745;
    --success-hover: #218838;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    --light-bg: #f8f9fa;
    --dark-bg: #343a40;
    --border-color: #dee2e6;
    --text-color: #333;
    --text-muted: #6c757d;
    --shadow: 0 2px 10px rgba(0,0,0,0.1);
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background: white;
    min-height: 100vh;
    box-shadow: var(--shadow);
}

.header {
    background: linear-gradient(135deg, var(--primary-color), #0056b3);
    color: white;
    padding: 2rem;
    text-align: center;
}

.header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    font-weight: 300;
}

.subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
    font-weight: 300;
}

.nav {
    background: var(--light-bg);
    padding: 0;
    border-bottom: 2px solid var(--border-color);
    display: flex;
    overflow-x: auto;
}

.nav-link {
    display: block;
    padding: 1rem 2rem;
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    border-bottom: 3px solid transparent;
    transition: var(--transition);
    white-space: nowrap;
}

.nav-link:hover {
    background: white;
    border-bottom-color: var(--primary-color);
}

.nav-link.active {
    background: white;
    border-bottom-color: var(--primary-color);
    color: var(--primary-color);
}

.main-content {
    padding: 2rem;
}

.section {
    display: none;
    animation: fadeIn 0.5s ease-in-out;
}

.section.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.section h2 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 2rem;
    font-weight: 300;
}

.section p {
    margin-bottom: 1.5rem;
    color: var(--text-muted);
    font-size: 1.1rem;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.info-card {
    background: var(--light-bg);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary-color);
    transition: var(--transition);
}

.info-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.info-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.info-card ul {
    list-style: none;
    padding: 0;
}

.info-card li {
    padding: 0.3rem 0;
    color: var(--text-muted);
    font-family: 'Monaco', 'Courier New', monospace;
    font-size: 0.9rem;
}

.info-card li:before {
    content: "→ ";
    color: var(--success-color);
    font-weight: bold;
}

.config-info {
    background: var(--light-bg);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    margin: 2rem 0;
}

.config-info h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.config-display div {
    margin: 0.5rem 0;
    padding: 0.5rem;
    background: white;
    border-radius: 4px;
    font-family: 'Monaco', 'Courier New', monospace;
}

.config-display strong {
    color: var(--primary-color);
}

.architecture-diagram {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 2rem 0;
    padding: 2rem;
    background: var(--light-bg);
    border-radius: var(--border-radius);
}

.flow-step {
    display: flex;
    align-items: center;
    margin: 0.5rem 0;
    padding: 1rem;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    min-width: 300px;
}

.step-icon {
    font-size: 2rem;
    margin-right: 1rem;
}

.step-content h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.flow-arrow {
    font-size: 2rem;
    color: var(--primary-color);
    margin: 0.5rem 0;
}

.flow-split {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
    justify-content: center;
}

.benefits {
    background: var(--light-bg);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    margin: 2rem 0;
}

.benefits h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.benefits ul {
    list-style: none;
    padding: 0;
}

.benefits li {
    padding: 0.5rem 0;
    color: var(--text-muted);
}

.benefits li:before {
    content: "✓ ";
    color: var(--success-color);
    font-weight: bold;
}

.test-section {
    background: var(--light-bg);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    margin: 2rem 0;
}

.test-section h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.test-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1rem;
}

.test-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
}

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

.test-btn:active {
    transform: translateY(0);
}

.test-result {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1rem;
    margin-top: 1rem;
}

.test-result h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.test-result pre {
    background: var(--dark-bg);
    color: #f8f9fa;
    padding: 1rem;
    border-radius: 4px;
    overflow-x: auto;
    font-size: 0.85rem;
    line-height: 1.4;
}

.custom-test {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    align-items: center;
}

.custom-input {
    flex: 1;
    min-width: 200px;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 0.9rem;
}

.method-select {
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    background: white;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.dashboard-card {
    background: var(--light-bg);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    border-top: 4px solid var(--primary-color);
    transition: var(--transition);
}

.dashboard-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.dashboard-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.metric {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    margin: 0.5rem 0;
    background: white;
    border-radius: 4px;
    border-left: 3px solid var(--info-color);
}

.metric-label {
    font-weight: 500;
    color: var(--text-color);
}

.metric-value {
    color: var(--text-muted);
    font-family: 'Monaco', 'Courier New', monospace;
    font-size: 0.9rem;
}

.metric-display {
    background: white;
    border-radius: var(--border-radius);
    padding: 1rem;
    margin-top: 1rem;
}

.metric-display pre {
    background: var(--dark-bg);
    color: #f8f9fa;
    padding: 1rem;
    border-radius: 4px;
    overflow-x: auto;
    font-size: 0.85rem;
    line-height: 1.4;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        margin: 0;
        border-radius: 0;
    }
    
    .header {
        padding: 1.5rem;
    }
    
    .header h1 {
        font-size: 2rem;
    }
    
    .main-content {
        padding: 1rem;
    }
    
    .nav {
        flex-direction: column;
    }
    
    .nav-link {
        padding: 0.75rem 1rem;
        border-bottom: 1px solid var(--border-color);
        border-right: none;
    }
    
    .info-grid,
    .dashboard-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .flow-split {
        flex-direction: column;
    }
    
    .custom-test {
        flex-direction: column;
        align-items: stretch;
    }
    
    .custom-input {
        min-width: auto;
    }
}

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.loading::after {
    content: "";
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 1s linear infinite;
    margin-left: 0.5rem;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Status Indicators */
.status-success {
    border-left-color: var(--success-color) !important;
}

.status-error {
    border-left-color: var(--danger-color) !important;
}

.status-warning {
    border-left-color: var(--warning-color) !important;
}