:root {
    /* Celo brand colors */
    --primary-color: #35D07F;
    --primary-dark: #2AAB6B;
    --secondary-color: #FBCC5C;
    --text-color: #2E3338;
    --text-light: #5D6670;
    --background-color: #F9FAFB;
    --card-background: #FFFFFF;
    --border-color: #E6E8EB;
    --badge-color: #35D07F;
    --badge-text: #FFFFFF;
    --badge-testnet-color: #FBCC5C;
    --badge-testnet-text: #2E3338;
    --toast-background: #2E3338;
    --toast-text: #FFFFFF;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;
    
    /* Border radius */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.05), 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.05), 0 4px 6px rgba(0, 0, 0, 0.05);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
}

/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: 2.5rem;
    font-weight: 700;
}

h2 {
    font-size: 1.75rem;
}

h3 {
    font-size: 1.25rem;
}

p {
    margin-bottom: var(--spacing-md);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* Header */
header {
    background-color: var(--card-background);
    padding: var(--spacing-xl) 0;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

.subtitle {
    color: var(--text-light);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* Networks container */
.networks-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xxl);
}

/* Network cards */
.networks {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.network-card {
    background-color: var(--card-background);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    position: relative;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

.network-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

/* Backend servers card */
.backend-servers-container {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.backend-servers-card {
    background-color: var(--card-background);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-lg);
    width: 100%;
    margin-top: var(--spacing-md);
    animation: fadeIn var(--transition-normal);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.network-header {
    padding: var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.network-header h2 {
    margin-bottom: 0;
}

.network-badge {
    background-color: var(--badge-color);
    color: var(--badge-text);
    font-size: 0.75rem;
    font-weight: 600;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    text-transform: uppercase;
}

.network-badge.testnet {
    background-color: var(--badge-testnet-color);
    color: var(--badge-testnet-text);
}

.rpc-url {
    padding: var(--spacing-lg);
    background-color: rgba(53, 208, 127, 0.05);
    border-bottom: 1px solid var(--border-color);
    position: relative;
}

.rpc-url::before {
    content: 'RPC URL';
    position: absolute;
    top: 8px;
    left: 8px;
    font-size: 0.5rem;
    color: var(--text-light);
    font-weight: 500;
    text-transform: uppercase;
}

.url-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md);
    max-width: 100%;
    overflow: hidden;
    margin-top: 10px;
}

.url {
    font-family: monospace;

    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.copy-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-light);
    padding: var(--spacing-xs);
    margin-left: var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    transition: color var(--transition-fast), background-color var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.copy-btn:hover {
    color: var(--primary-color);
    background-color: rgba(53, 208, 127, 0.1);
}

.network-details {
    padding: var(--spacing-lg);
}

.toggle-container {
    margin-top: var(--spacing-md);
}

.toggle-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--primary-color);
    font-weight: 500;
    padding: var(--spacing-sm) 0;
    display: flex;
    align-items: center;
    transition: color var(--transition-fast);
}

.toggle-btn:hover {
    color: var(--primary-dark);
}

.toggle-icon {
    margin-left: var(--spacing-sm);
    transition: transform var(--transition-normal);
}

.toggle-btn.active .toggle-icon {
    transform: rotate(180deg);
}

.backend-servers {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

/* Server Table Styles */
.server-table-container {
    overflow-x: auto;
    margin-top: var(--spacing-md);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
}

.server-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
    table-layout: fixed;
}

.server-table th {
    text-align: left;
    padding: var(--spacing-sm) var(--spacing-md);
    border-bottom: 2px solid var(--border-color);
    font-weight: 600;
    white-space: nowrap;
    background-color: rgba(53, 208, 127, 0.05);
}

.server-table td {
    padding: var(--spacing-sm) var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
}

/* Column widths */
.server-table th:nth-child(1),
.server-table td:nth-child(1) {
    width: 40%;
}

.server-table th:nth-child(2),
.server-table td:nth-child(2),
.server-table th:nth-child(3),
.server-table td:nth-child(3) {
    width: 10%;
}

.server-table th:nth-child(4),
.server-table td:nth-child(4),
.server-table th:nth-child(5),
.server-table td:nth-child(5) {
    width: 10%;
    text-align: center;
}

.server-table th:nth-child(6),
.server-table td:nth-child(6) {
    width: 20%;
    text-align: center;
}

.server-table tbody tr:hover {
    background-color: rgba(53, 208, 127, 0.05);
}

.server-address {
    font-family: monospace;
    word-break: break-all;
}

.server-metric {
    white-space: nowrap;
    text-align: center;
}

.status-indicator {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    border-radius: 50%;
}

.status-good {
    color: var(--primary-color);
}

.status-warning {
    color: var(--badge-testnet-color);
}

.status-error {
    color: #E74C3C;
}

.connect-wallet-btn {
    background-color: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.8rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.connect-wallet-btn:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

/* Keep the original server-list styles for backward compatibility */
.server-list {
    list-style: none;
    margin-top: var(--spacing-md);
}

.server-list li {
    padding: var(--spacing-sm) 0;
    font-family: monospace;
    font-size: 0.9rem;
    word-break: break-all;
}

/* Usage section */
.usage-section {
    background-color: var(--card-background);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xxl);
    box-shadow: var(--shadow-md);
}

.usage-examples {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.usage-example {
    background-color: var(--background-color);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md);
}

.usage-example h3 {
    margin-bottom: var(--spacing-sm);
    font-size: 1.1rem;
}

pre {
    background-color: #2E3338;
    color: #FFFFFF;
    padding: var(--spacing-md);
    border-radius: var(--border-radius-sm);
    overflow-x: auto;
    font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
    font-size: 0.85rem;
    line-height: 1.5;
}

code {
    font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
}

/* Footer */
footer {
    background-color: var(--card-background);
    padding: var(--spacing-xl) 0;
    border-top: 1px solid var(--border-color);
    text-align: center;
    color: var(--text-light);
}

/* Toast notification */
.toast {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background-color: var(--toast-background);
    color: var(--toast-text);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    transition: transform var(--transition-normal), opacity var(--transition-normal);
    z-index: 1000;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

/* GitHub Link Styles */
.github-link-container {
    display: flex;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
}

.github-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background-color: var(--card-background);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md) var(--spacing-lg);
    font-weight: 500;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.github-link:hover {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.github-link svg {
    transition: transform var(--transition-normal);
}

.github-link:hover svg {
    transform: rotate(5deg);
}

/* Health Status Styles */
.health-status-container {
    margin-bottom: var(--spacing-lg);
}

.health-status-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.health-status-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.last-updated {
    font-size: 0.85rem;
    color: var(--text-light);
}

.refresh-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    cursor: pointer;
    font-size: 0.85rem;
    transition: background-color var(--transition-fast);
}

.refresh-btn:hover {
    background-color: var(--primary-dark);
}

.health-status-content {
    min-height: 200px;
}

.health-status-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 200px;
    color: var(--text-light);
}

.spinner {
    border: 3px solid rgba(0, 0, 0, 0.1);
    border-radius: 50%;
    border-top: 3px solid var(--primary-color);
    width: 30px;
    height: 30px;
    animation: spin 1s linear infinite;
    margin-bottom: var(--spacing-md);
}

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

.health-network {
    margin-bottom: var(--spacing-lg);
}

.health-network-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.health-network-name {
    font-weight: 600;
    font-size: 1.1rem;
    margin: 0;
}

.health-status-badge {
    font-size: 0.75rem;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    background-color: var(--primary-color);
    color: white;
}

.health-status-badge.unhealthy {
    background-color: #E74C3C;
}

.health-servers {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(450px, 1fr));
    gap: var(--spacing-md);
}

.health-server-card {
    background-color: var(--background-color);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
}

.health-server-card.unhealthy {
    border-color: #E74C3C;
}

.health-server-url {
    font-family: monospace;
    font-size: 0.9rem;
    word-break: break-all;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.health-server-details {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
    font-size: 0.85rem;
}

/* Make validator address cell take full width */
.health-server-detail:nth-child(3) {
    grid-column: 1 / -1;
}

.health-server-detail {
    display: flex;
    flex-direction: column;
}

.health-detail-label {
    color: var(--text-light);
    margin-bottom: 2px;
}

.health-detail-value {
    font-weight: 500;
}

.health-server-reason {
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--border-color);
    font-size: 0.85rem;
    color: #E74C3C;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    .networks {
        grid-template-columns: 1fr;
    }
    
    .usage-examples {
        grid-template-columns: 1fr;
    }
    
    .health-status-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }
    
    .health-status-actions {
        width: 100%;
        justify-content: space-between;
    }
    
    .health-servers {
        grid-template-columns: 1fr;
    }
}

/* Favicon */
@media (prefers-color-scheme: dark) {
    :root {
        --background-color: #1A1D1F;
        --card-background: #2E3338;
        --text-color: #F9FAFB;
        --text-light: #A7B0BC;
        --border-color: #3E454D;
        --toast-background: #F9FAFB;
        --toast-text: #2E3338;
    }
    
    .url-container {
        background-color: #1A1D1F;
    }
    
    .rpc-url {
        background-color: rgba(53, 208, 127, 0.1);
    }
    
    .usage-example {
        background-color: #1A1D1F;
    }
    
    .health-server-card {
        background-color: #1A1D1F;
    }
    
    .spinner {
        border-color: rgba(255, 255, 255, 0.1);
        border-top-color: var(--primary-color);
    }
    
    .health-server-reason {
        border-top-color: #3E454D;
    }
    
    .github-link {
        background-color: #2E3338;
        color: #F9FAFB;
        border-color: #3E454D;
    }
    
    .github-link:hover {
        background-color: var(--primary-color);
        color: white;
        border-color: var(--primary-color);
    }
}