/* ============================================
   LinkOps - Overview Tab Styles
   ============================================ */

/* Overview Grid Layout */
.overview-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

/* ============================================
   Infrastructure Card
   ============================================ */

.infrastructure-card .card-body {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.infra-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm);
    border-radius: 6px;
    transition: background 0.2s ease;
}

.infra-item:hover {
    background: var(--bg-hover);
}

.infra-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(122, 159, 216, 0.08);
    border: 1px solid rgba(122, 159, 216, 0.15);
    border-radius: 6px;
    color: var(--accent-primary);
}

.infra-details {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.infra-label {
    font-size: 14px;
    color: var(--text-primary);
    font-weight: 500;
}

.infra-count {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    font-family: var(--font-mono);
}

/* Infrastructure Summary */
.infra-summary {
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.summary-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
}

.summary-label {
    color: var(--text-secondary);
}

.summary-value {
    font-weight: 600;
    font-family: var(--font-mono);
    color: var(--text-primary);
}

.summary-value.success {
    color: var(--success-color);
}

.summary-value.warning {
    color: var(--warning-color);
}

.summary-value.error {
    color: var(--error-color);
}

/* ============================================
   Recent Activity Card
   ============================================ */

.activity-card .card-body {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.activity-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.activity-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    border-radius: 6px;
    transition: background 0.2s ease;
}

.activity-item:hover {
    background: var(--bg-hover);
}

.activity-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    flex-shrink: 0;
}

.activity-icon.success {
    background: rgba(74, 222, 128, 0.08);
    border: 1px solid rgba(74, 222, 128, 0.15);
    color: var(--success-color);
}

.activity-icon.warning {
    background: rgba(251, 191, 36, 0.08);
    border: 1px solid rgba(251, 191, 36, 0.15);
    color: var(--warning-color);
}

.activity-icon.error {
    background: rgba(248, 113, 113, 0.08);
    border: 1px solid rgba(248, 113, 113, 0.15);
    color: var(--error-color);
}

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

.activity-title {
    font-size: 13px;
    color: var(--text-primary);
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.activity-meta {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 2px;
}

.activity-status {
    font-size: 12px;
    font-weight: 600;
    padding: 4px 8px;
    border-radius: 4px;
    white-space: nowrap;
}

.activity-status.success {
    color: var(--success-color);
    background: rgba(74, 222, 128, 0.08);
}

.activity-status.warning {
    color: var(--warning-color);
    background: rgba(251, 191, 36, 0.08);
}

.activity-status.error {
    color: var(--error-color);
    background: rgba(248, 113, 113, 0.08);
}

/* View All Button */
.view-all-btn {
    width: 100%;
    padding: 10px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
    font-family: var(--font-primary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.view-all-btn:hover {
    border-color: var(--border-hover);
    color: var(--text-primary);
    background: var(--bg-hover);
}

/* ============================================
   Link Health Table
   ============================================ */

.health-card {
    margin-top: var(--spacing-lg);
}

.table-container {
    overflow-x: auto;
}

.health-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.health-table thead {
    border-bottom: 1px solid var(--border-color);
}

.health-table th {
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: left;
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.health-table tbody tr {
    border-bottom: 1px solid var(--border-color);
    transition: background 0.2s ease;
}

.health-table tbody tr:hover {
    background: var(--bg-hover);
}

.health-table tbody tr:last-child {
    border-bottom: none;
}

.health-table td {
    padding: var(--spacing-md);
    color: var(--text-primary);
}

/* Table Columns */
.col-status {
    width: 40px;
}

.col-name {
    min-width: 200px;
}

.col-type {
    width: 120px;
}

.col-enrolled,
.col-ssh {
    width: 100px;
}

.col-latency {
    width: 100px;
}

.col-last-seen {
    width: 140px;
}

/* Status Indicator */
.status-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.status-indicator.success {
    background: var(--success-color);
    box-shadow: 0 0 10px rgba(74, 222, 128, 0.5);
}

.status-indicator.warning {
    background: var(--warning-color);
    box-shadow: 0 0 10px rgba(251, 191, 36, 0.5);
}

.status-indicator.error {
    background: var(--error-color);
    box-shadow: 0 0 10px rgba(248, 113, 113, 0.5);
}

/* Machine Name with Icon */
.machine-name {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.machine-icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

.machine-label {
    font-weight: 500;
    color: var(--text-primary);
}

/* Machine Type Badge */
.machine-type {
    display: inline-flex;
    align-items: center;
    padding: 4px 8px;
    background: rgba(122, 159, 216, 0.08);
    border: 1px solid rgba(122, 159, 216, 0.15);
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
    color: var(--accent-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Status Badge */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    font-weight: 500;
}

.status-badge.success {
    color: var(--success-color);
}

.status-badge.warning {
    color: var(--warning-color);
}

.status-badge.error {
    color: var(--error-color);
}

/* Latency Display */
.latency {
    font-family: var(--font-mono);
    color: var(--text-secondary);
}

.latency.good {
    color: var(--success-color);
}

.latency.medium {
    color: var(--warning-color);
}

.latency.poor {
    color: var(--error-color);
}

/* Last Seen */
.last-seen {
    color: var(--text-secondary);
    font-size: 12px;
}

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 1024px) {
    .overview-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .health-table {
        font-size: 12px;
    }
    
    .health-table th,
    .health-table td {
        padding: var(--spacing-sm);
    }
    
    .col-latency,
    .col-last-seen {
        display: none;
    }
}