:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #1a1a1a;
    --text-primary: #ffffff;
    --text-secondary: #888888;
    --accent: #00ff88;
    --accent-danger: #ff4444;
    --border: #333333;
}

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

body {
    font-family: 'Segoe UI', system-ui, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

h1 {
    font-size: 2rem;
    font-weight: 700;
}

.status-bar {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.status {
    font-weight: 600;
}

.status.online {
    color: var(--accent);
}

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

.card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.5rem;
    transition: transform 0.2s, border-color 0.2s;
}

.card:hover {
    transform: translateY(-2px);
    border-color: var(--accent);
}

.card h3 {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.metric {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
}

.metric .value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent);
}

.metric .label {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.chart-container {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 2rem;
    margin-bottom: 2rem;
    height: 300px;
}

.log-container {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.5rem;
}

.log-container h3 {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.logs {
    font-family: 'Fira Code', monospace;
    font-size: 0.875rem;
    max-height: 200px;
    overflow-y: auto;
}

.log-entry {
    padding: 0.5rem;
    border-left: 3px solid var(--accent);
    margin-bottom: 0.5rem;
    background: rgba(0, 255, 136, 0.05);
}

.log-entry.error {
    border-left-color: var(--accent-danger);
    background: rgba(255, 68, 68, 0.05);
}

.timestamp {
    color: var(--text-secondary);
    margin-right: 1rem;
}