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

:root {
    --primary: #0ea5e9;
    --secondary: #06b6d4;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --dark: #0f172a;
    --card-bg: rgba(255, 255, 255, 0.1);
    --card-border: rgba(255, 255, 255, 0.2);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #0ea5e9 0%, #06b6d4 100%);
    color: white;
    line-height: 1.6;
    min-height: 100vh;
}

.navbar {
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    font-size: 1.5rem;
    font-weight: bold;
    color: white;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 0.5rem;
}

.nav-link {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    transition: all 0.3s;
}

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

main {
    margin-top: 80px;
    min-height: calc(100vh - 80px);
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

.hero {
    padding: 3rem 2rem;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 0.75rem 2rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
    font-weight: 500;
}

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

.btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.metric-card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--card-border);
    padding: 2rem;
    border-radius: 16px;
    text-align: center;
}

.metric-label {
    font-size: 0.9rem;
    opacity: 0.9;
    margin-bottom: 0.5rem;
}

.metric-value {
    font-size: 2.5rem;
    font-weight: bold;
    margin: 0.5rem 0;
}

.metric-change {
    margin-top: 0.5rem;
    font-size: 0.9rem;
    opacity: 0.8;
}

.metric-change.up { color: #10b981; }
.metric-change.down { color: #ef4444; }

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.service-card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--card-border);
    padding: 2rem;
    border-radius: 16px;
    transition: all 0.3s;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 255, 255, 0.4);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.service-card h3 {
    margin-bottom: 0.5rem;
}

.service-card p {
    opacity: 0.9;
    margin-bottom: 1rem;
}

.service-status {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.85rem;
    background: rgba(16, 185, 129, 0.2);
    color: #10b981;
    margin-bottom: 1rem;
}

.system-health, .activity-feed {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--card-border);
    padding: 2rem;
    border-radius: 16px;
    margin: 2rem 0;
}

.health-item, .activity-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    border-bottom: 1px solid var(--card-border);
}

.health-item:last-child, .activity-item:last-child {
    border-bottom: none;
}

.health-stats, .activity-time {
    opacity: 0.8;
    font-size: 0.9rem;
}

.ai-widget {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 400px;
    max-height: 600px;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    z-index: 999;
    transition: all 0.3s;
}

.ai-widget.collapsed {
    width: auto;
    height: auto;
    max-height: none;
}

.ai-widget.collapsed .ai-body { display: none; }
.ai-widget.collapsed .ai-header { display: none; }

.ai-header {
    background: var(--primary);
    color: white;
    padding: 1rem;
    border-radius: 16px 16px 0 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.ai-controls button {
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0 0.5rem;
}

.ai-body {
    display: flex;
    flex-direction: column;
    height: 500px;
}

#ai-messages {
    flex: 1;
    padding: 1rem;
    overflow-y: auto;
}

.ai-message {
    margin-bottom: 1rem;
    padding: 0.75rem;
    border-radius: 8px;
    max-width: 80%;
}

.ai-message.user {
    background: var(--primary);
    margin-left: auto;
}

.ai-message.assistant {
    background: rgba(255, 255, 255, 0.1);
}

.ai-input-container {
    display: flex;
    gap: 0.5rem;
    padding: 1rem;
    border-top: 1px solid var(--card-border);
}

#ai-input {
    flex: 1;
    padding: 0.75rem;
    border: 1px solid var(--card-border);
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

#ai-send {
    padding: 0.75rem 1.5rem;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
}

.ai-toggle-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--primary);
    color: white;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.code-block {
    background: rgba(0, 0, 0, 0.3);
    padding: 1.5rem;
    border-radius: 8px;
    overflow-x: auto;
    margin: 1rem 0;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    overflow: hidden;
}

th, td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--card-border);
}

th {
    background: rgba(255, 255, 255, 0.1);
    font-weight: 600;
}

.tabs {
    display: flex;
    gap: 0.5rem;
    border-bottom: 2px solid var(--card-border);
    margin-bottom: 2rem;
}

.tab {
    padding: 0.75rem 1.5rem;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.7);
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
}

.tab.active {
    color: white;
    border-bottom-color: white;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.section-header {
    margin: 3rem 0 2rem 0;
}

.section-header h2 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.section-header p {
    opacity: 0.9;
}

.quick-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin: 1rem 0;
}

.quick-action-btn {
    padding: 0.75rem 1.5rem;
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s;
}

.quick-action-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    .nav-menu { flex-direction: column; gap: 0.5rem; }
    .hero h1 { font-size: 2rem; }
    .metrics-grid { grid-template-columns: 1fr; }
    .ai-widget { width: calc(100vw - 2rem); right: 1rem; bottom: 1rem; }
}