:root {
    --primary: #111827;
    --secondary: #6B7280;
    --accent: #3B82F6;
    --bg: #F9FAFB;
    --surface: #FFFFFF;
    --border: #E5E7EB;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--bg);
    color: var(--primary);
    font-size: 0.875rem;
}

.navbar {
    background-color: var(--surface);
    border-bottom: 1px solid var(--border);
}

.card {
    border: 1px solid var(--border);
    border-radius: 4px;
    box-shadow: none;
}

.btn {
    border-radius: 4px;
    font-weight: 500;
    padding: 0.5rem 1rem;
}

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

.btn-primary:hover {
    background-color: #1F2937;
    border-color: #1F2937;
}

.table {
    border: 1px solid var(--border);
    background: var(--surface);
}

.table th {
    background: #F3F4F6;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.025em;
    border-bottom: 1px solid var(--border);
}

.activity-log {
    max-height: 400px;
    overflow-y: auto;
}

.log-entry {
    padding: 0.75rem;
    border-bottom: 1px solid var(--border);
    font-size: 0.8rem;
}

.log-entry:last-child {
    border-bottom: none;
}

.badge {
    border-radius: 9999px;
    font-weight: 500;
    padding: 0.25rem 0.625rem;
}