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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: #f5f7fa;
    color: #2d3748;
    line-height: 1.6;
}

.dashboard-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 12px;
}

/* Header */
.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 12px 20px;
    border-radius: 8px;
    margin-bottom: 12px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.dashboard-header h1 {
    font-size: 20px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn {
    padding: 8px 16px;
    border: none;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 12px;
}

.stats-section {
    background: white;
    border-radius: 8px;
    padding: 16px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.section-title {
    font-size: 16px;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.stats-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.stat-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: #f7fafc;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
    transition: all 0.2s;
}

.stat-card:hover {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
    flex-shrink: 0;
}

.stat-content {
    flex: 1;
}

.stat-label {
    font-size: 12px;
    color: #718096;
    margin-bottom: 4px;
    font-weight: 500;
}

.stat-value {
    font-size: 24px;
    font-weight: 700;
    color: #2d3748;
}

/* Activity Section */
.activity-section {
    background: white;
    border-radius: 8px;
    padding: 16px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    margin-bottom: 12px;
}

.activity-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.activity-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: #f7fafc;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
}

.activity-icon {
    width: 56px;
    height: 56px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
    flex-shrink: 0;
}

.activity-content {
    flex: 1;
}

.activity-label {
    font-size: 13px;
    color: #718096;
    margin-bottom: 6px;
    font-weight: 500;
}

.activity-value {
    font-size: 28px;
    font-weight: 700;
    color: #2d3748;
}

/* Info Grid */
.info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.info-section {
    background: white;
    border-radius: 8px;
    padding: 16px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.info-card {
    margin-top: 12px;
}

.info-list {
    max-height: 400px;
    overflow-y: auto;
}

.info-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    border-bottom: 1px solid #e2e8f0;
    transition: background 0.2s;
}

.info-item:last-child {
    border-bottom: none;
}

.info-item:hover {
    background: #f7fafc;
}

.info-item-left {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
}

.info-item-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 12px;
    flex-shrink: 0;
}

.info-item-details {
    flex: 1;
    min-width: 0;
}

.info-item-name {
    font-size: 13px;
    font-weight: 500;
    color: #2d3748;
    margin-bottom: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.info-item-meta {
    font-size: 11px;
    color: #718096;
}

.info-item-right {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 4px;
}

.info-item-badge {
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    white-space: nowrap;
}

.badge-online {
    background: #c6f6d5;
    color: #22543d;
}

.badge-offline {
    background: #e2e8f0;
    color: #4a5568;
}

.info-item-value {
    font-size: 14px;
    font-weight: 600;
    color: #2d3748;
}

.loading-indicator {
    text-align: center;
    padding: 20px;
    color: #718096;
    font-size: 14px;
}

.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: #718096;
}

.empty-state i {
    font-size: 36px;
    margin-bottom: 12px;
    opacity: 0.5;
}

.empty-state p {
    font-size: 14px;
}

/* Responsive */
@media (max-width: 1200px) {
    .stats-grid,
    .info-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .stats-cards,
    .activity-cards {
        grid-template-columns: 1fr;
    }

    .dashboard-header {
        flex-direction: column;
        gap: 10px;
        align-items: flex-start;
    }
}