:root {
            --wa-primary: #008069;
            --wa-secondary: #25D366;
            --wa-background: #f0f2f5;
            --wa-chat-bg: #ffffff;
            --wa-text-primary: #111b21;
            --wa-text-secondary: #667781;
            --wa-badge: #25D366;
            --wa-border: #e9edef;
        }

        body {
            font-family: 'Segoe UI', 'Helvetica Neue', Helvetica, Arial, sans-serif;
            background-color: var(--wa-background);
            margin: 0;
            padding: 0;
            color: var(--wa-text-primary);
            line-height: 1.4;
        }

        .header {
            background-color: var(--wa-primary);
            color: white;
            padding: 12px 16px;
            display: flex;
            align-items: center;
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .header-icon {
            margin-right: 12px;
            font-size: 1.5rem;
        }

        .header-title {
            font-size: 1.2rem;
            font-weight: 400;
        }

        .global-stats {
            background-color: var(--wa-chat-bg);
            padding: 16px;
            border-bottom: 1px solid var(--wa-border);
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            text-align: center;
        }

        .global-stat {
            padding: 8px;
        }

        .global-stat-number {
            font-size: 1.4rem;
            font-weight: 600;
            color: var(--wa-primary);
            display: block;
        }

        .global-stat-label {
            font-size: 0.75rem;
            color: var(--wa-text-secondary);
            margin-top: 2px;
        }

        .search-box {
            background-color: var(--wa-chat-bg);
            padding: 10px 16px;
            border-bottom: 1px solid var(--wa-border);
        }

        .search-input {
            width: 100%;
            padding: 8px 12px;
            border: none;
            border-radius: 8px;
            background-color: #f0f2f5;
            font-size: 0.9rem;
            outline: none;
        }

        .stats-table {
            background-color: var(--wa-chat-bg);
            width: 100%;
        }

        .table-header {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
            padding: 12px 16px;
            border-bottom: 1px solid var(--wa-border);
            font-size: 0.85rem;
            color: var(--wa-text-secondary);
            font-weight: 500;
        }

        .group-row {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
            padding: 12px 16px;
            border-bottom: 1px solid var(--wa-border);
            align-items: center;
            transition: background-color 0.1s;
        }

        .group-row:hover {
            background-color: #f5f6f6;
        }

        .group-info {
            display: flex;
            align-items: center;
            min-width: 0;
        }

        .group-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            margin-right: 12px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: 600;
            font-size: 1.1rem;
        }

        .group-details {
            min-width: 0;
        }

        .group-name {
            font-size: 0.95rem;
            font-weight: 500;
            margin-bottom: 2px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .group-description {
            font-size: 0.8rem;
            color: var(--wa-text-secondary);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .stat-cell {
            text-align: center;
            font-size: 0.9rem;
            font-weight: 500;
        }

        .stat-members {
            color: var(--wa-text-primary);
        }

        .stat-active {
            color: var(--wa-secondary);
        }

        .stat-messages {
            color: var(--wa-text-secondary);
        }

        .stat-participation {
            color: var(--wa-primary);
            font-weight: 600;
        }