:root {
    --sidebar-width: 260px;
    --primary-color: #1a56db;
    --sidebar-bg: #111827;
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background-color: #f3f4f6;
}

#wrapper {
    min-height: 100vh;
}

.sidebar {
    width: var(--sidebar-width);
    min-height: 100vh;
    position: fixed;
    left: 0;
    top: 0;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease;
}

.sidebar .nav-link {
    color: rgba(255, 255, 255, 0.75);
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    margin-bottom: 0.25rem;
    transition: all 0.2s;
}

.sidebar .nav-link:hover,
.sidebar .nav-link.active {
    color: #fff;
    background: rgba(255, 255, 255, 0.1);
}

#page-content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
}

.stat-card .card-body {
    position: relative;
}

.stat-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
}

.stat-icon {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.json-viewer {
    max-height: 600px;
    overflow: auto;
    font-size: 0.75rem;
    background: #1e1e1e;
    color: #d4d4d4;
}

.table th {
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: #6b7280;
}

.card {
    border-radius: 0.75rem;
}

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

.btn-primary:hover {
    background-color: #1e429f;
    border-color: #1e429f;
}

@media (max-width: 991.98px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.show {
        transform: translateX(0);
    }

    #page-content {
        margin-left: 0;
    }
}