body {
    background-color: #f5f6fa;
    font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}

.admin-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: 240px;
    min-height: 100vh;
    z-index: 1030;
    display: flex;
    flex-direction: column;
    color: #fff;
}

.sidebar-header {
    padding: 1.25rem 1rem;
    font-weight: 600;
    font-size: 1.1rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sidebar-nav {
    flex: 1;
    padding: 0.75rem 0;
    overflow-y: auto;
}

.nav-section {
    padding: 0.5rem 1rem 0.25rem;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    opacity: 0.6;
}

.sidebar-nav .nav-link {
    color: rgba(255,255,255,0.85);
    padding: 0.6rem 1rem;
    font-size: 0.9rem;
    transition: all 0.15s ease;
    display: block;
    text-decoration: none;
}

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

.sidebar-nav .nav-link.active {
    color: #fff;
    border-left: 3px solid #fff;
    background: rgba(255,255,255,0.12);
    font-weight: 500;
}

.sidebar-footer {
    padding: 0.75rem 1rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    text-align: center;
    opacity: 0.6;
}

.admin-main {
    margin-left: 240px;
    padding: 2rem;
    min-height: 100vh;
}

.stat-card {
    background: #fff;
    border-radius: 0.5rem;
    padding: 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
    transition: box-shadow 0.2s ease;
}

.stat-card:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    flex-shrink: 0;
}

.stat-body {
    flex: 1;
    min-width: 0;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1.2;
}

.stat-label {
    font-size: 0.85rem;
    color: #6c757d;
}

.card {
    border: none;
    border-radius: 0.5rem;
}

.card-header {
    border-bottom: 1px solid #e9ecef;
    font-weight: 500;
    border-radius: 0.5rem 0.5rem 0 0 !important;
    padding: 0.75rem 1.25rem;
}

.badge {
    font-weight: 500;
}

.map-tooltip {
    position: absolute;
    background: rgba(0,0,0,0.8);
    color: #fff;
    padding: 0.3rem 0.6rem;
    border-radius: 0.25rem;
    font-size: 0.85rem;
    pointer-events: none;
    z-index: 1050;
    white-space: nowrap;
}

.world-map-wrapper {
    position: relative;
}

.table > :not(caption) > * > * {
    vertical-align: middle;
}

.progress {
    border-radius: 4px;
    background-color: #e9ecef;
}

.progress-bar {
    border-radius: 4px;
}

.pagination {
    margin-bottom: 0;
}

@media (max-width: 767.98px) {
    .admin-sidebar {
        position: relative;
        width: 100%;
        min-height: auto;
    }

    .admin-main {
        margin-left: 0;
        padding: 1rem;
    }

    .stat-card {
        padding: 1rem;
    }

    .stat-value {
        font-size: 1.2rem;
    }
}