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

:root {
    --primary-600: #0A3D62;
    --primary-500: #0d4d7a;
    --primary-400: #106094;
    --bg-dark: #0a0a0f;
    --bg-card: rgba(255, 255, 255, 0.05);
    --bg-card-hover: rgba(255, 255, 255, 0.08);
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-muted: rgba(255, 255, 255, 0.5);
    --border-color: rgba(255, 255, 255, 0.1);
    --success: #10b981;
    --error: #ef4444;
    --warning: #f59e0b;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-dark);
    min-height: 100vh;
    color: var(--text-primary);
    position: relative;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: fixed;
    top: -200px;
    left: -200px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(10, 61, 98, 0.2) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

body::after {
    content: '';
    position: fixed;
    bottom: -200px;
    right: -200px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(13, 77, 122, 0.15) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 24px;
    position: relative;
    z-index: 1;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 48px;
    flex-wrap: wrap;
    gap: 20px;
    padding: 20px 32px;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    border: 1px solid var(--border-color);
}

h1 {
    color: var(--text-primary);
    font-size: 1.75rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.controls {
    display: flex;
    align-items: center;
    gap: 24px;
}

#last-updated {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-500));
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 12px;
    font-weight: 500;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(10, 61, 98, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(10, 61, 98, 0.5);
}

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

.btn-secondary {
    background: transparent;
    color: rgba(255, 255, 255, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 12px 24px;
    border-radius: 12px;
    font-weight: 500;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.3);
    color: white;
}

.status-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.summary-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    padding: 28px;
    border-radius: 20px;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.summary-card:hover {
    background: var(--bg-card-hover);
    transform: translateY(-2px);
}

.summary-card.healthy {
    border-left: 3px solid var(--success);
}

.summary-card.unhealthy {
    border-left: 3px solid var(--error);
}

.summary-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
    letter-spacing: -0.02em;
}

.summary-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 500;
}

.systems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: 24px;
}

.system-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    padding: 28px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.system-card:hover {
    background: var(--bg-card-hover);
    transform: translateY(-4px);
    border-color: rgba(10, 61, 98, 0.4);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.system-card.healthy {
    border-left: 3px solid var(--success);
}

.system-card.unhealthy {
    border-left: 3px solid var(--warning);
}

.system-card.down {
    border-left: 3px solid var(--error);
}

.system-card.slow {
    border-left: 3px solid var(--warning);
}

.system-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 20px;
}

.system-name {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
    letter-spacing: -0.01em;
}

.system-description {
    font-size: 0.875rem;
    color: var(--text-muted);
    line-height: 1.4;
}

.status-badge {
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-badge.healthy {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
}

.status-badge.unhealthy {
    background: rgba(245, 158, 11, 0.15);
    color: var(--warning);
}

.status-badge.down {
    background: rgba(239, 68, 68, 0.15);
    color: var(--error);
}

.status-badge.slow {
    background: rgba(245, 158, 11, 0.15);
    color: var(--warning);
}

.system-details {
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

.detail-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 12px;
    font-size: 0.875rem;
}

.detail-row:last-child {
    margin-bottom: 0;
}

.detail-label {
    color: var(--text-muted);
}

.detail-value {
    color: var(--text-secondary);
    font-weight: 500;
    font-family: 'SF Mono', Monaco, monospace;
    font-size: 0.8125rem;
}

.system-url {
    display: block;
    margin-top: 20px;
    color: #4aa3df;
    text-decoration: none;
    font-size: 0.8125rem;
    word-break: break-all;
    transition: color 0.2s ease;
}

.system-url:hover {
    color: #7cc7f7;
    text-decoration: underline;
}

.endpoints-section {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

.endpoints-header {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
    font-weight: 600;
}

.endpoint-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.endpoint-row:last-child {
    border-bottom: none;
}

.endpoint-info {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
    min-width: 0;
}

.endpoint-status {
    font-size: 0.625rem;
    flex-shrink: 0;
}

.status-healthy {
    color: var(--success);
}

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

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

.status-down {
    color: var(--error);
}

.endpoint-url {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    font-family: 'SF Mono', Monaco, monospace;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.endpoint-metrics {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-shrink: 0;
}

.endpoint-time {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-family: 'SF Mono', Monaco, monospace;
}

.endpoint-code {
    font-size: 0.6875rem;
    padding: 2px 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    color: var(--text-secondary);
    font-family: 'SF Mono', Monaco, monospace;
}

.loading {
    text-align: center;
    padding: 80px;
    color: var(--text-muted);
    font-size: 1rem;
}

.error {
    text-align: center;
    padding: 80px;
    color: var(--error);
    font-size: 1rem;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.loading {
    animation: pulse 2s infinite;
}

@media (max-width: 768px) {
    header {
        flex-direction: column;
        text-align: center;
        padding: 20px;
    }
    
    h1 {
        font-size: 1.5rem;
    }
    
    .systems-grid {
        grid-template-columns: 1fr;
    }
    
    .controls {
        flex-direction: column;
        gap: 12px;
    }
}