/* Timeline View - Ultra Minimalistic Design */
/* :root variables moved to common.css or are view-specific if necessary */

.timeline-view-container {
    /* Extends .view-container from common.css but with flex-direction: row */
    flex-direction: row; /* Specific direction for this view */
    height: calc(100vh - 120px); /* Specific height */
    margin: 60px 40px 60px 40px; /* Specific margins */
    gap: var(--spacing-lg); /* Was 24px */
    /* font-family will be inherited from common.css body */
    /* Other .view-container properties are inherited or set by common.css */
}

.timeline-sidebar {
    width: 280px;
    background: var(--surface-dark); /* Common.css variable */
    border: 1px solid var(--border-color); /* Common.css variable */
    border-radius: var(--border-radius-large); /* Common.css variable */
    padding: var(--spacing-lg); /* Was 24px */
    overflow-y: auto;
    flex-shrink: 0;
}

.timeline-sidebar h4 {
    margin: 0 0 16px 0;
    font-size: 14px;
    color: var(--text-primary);
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.sidebar-section {
    margin-bottom: 32px;
}

.sidebar-section:last-child {
    margin-bottom: 0;
}

.filter-options,
.time-range-options {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.filter-btn {
    background: transparent;
    color: var(--text-secondary); /* Common.css variable */
    border: 1px solid var(--border-color); /* Common.css variable */
    padding: 12px 16px;
    border-radius: var(--border-radius-medium); /* Common.css variable */
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s ease;
    text-align: left;
}

.filter-btn:hover {
    background: var(--surface-medium); /* Common.css variable for hover */
    color: var(--text-primary); /* Common.css variable */
    border-color: var(--primary-accent); /* Common interaction color */
}

.filter-btn.active {
    background: var(--primary-accent); /* Common.css variable */
    color: var(--bg-dark); /* Text color on primary accent */
    border-color: var(--primary-accent); /* Common.css variable */
}

.timeline-content {
    flex: 1;
    background: var(--surface-dark); /* Common.css variable */
    border: 1px solid var(--border-color); /* Common.css variable */
    border-radius: var(--border-radius-large); /* Common.css variable */
    overflow-y: auto;
    padding: var(--spacing-lg); /* Was 24px */
}

.timeline-feed {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.timeline-day-group {
    display: flex;
    flex-direction: column;
}

.timeline-date-header {
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color); /* Common.css variable */
}

.timeline-date-header h3 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
}

.timeline-day-actions {
    display: flex;
    flex-direction: column;
    gap: 20px;
    position: relative;
}

.timeline-day-actions::before {
    content: '';
    position: absolute;
    left: 32px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-color); /* Common.css variable */
}

.timeline-action {
    display: flex;
    gap: 16px;
    position: relative;
    padding-left: 8px;
}

.timeline-action-avatar {
    position: relative;
    flex-shrink: 0;
}

.timeline-action-avatar img {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 2px solid var(--border-color); /* Common.css variable */
}

.timeline-action-icon {
    position: absolute;
    bottom: -4px;
    right: -4px;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--surface-dark); /* Common.css variable */
}

.timeline-action-icon i {
    font-size: 10px;
    color: white;
}

.timeline-action-content {
    flex: 1;
    background: var(--surface-medium); /* Common.css variable */
    border: 1px solid var(--border-color); /* Common.css variable */
    border-radius: var(--border-radius-large); /* Common.css variable */
    padding: var(--spacing-md); /* Was 16px */
    transition: all 0.2s ease;
}

.timeline-action-content:hover {
    border-color: var(--primary-accent); /* Common interaction color */
}

.timeline-action-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
    margin-bottom: 8px;
    font-size: 14px;
    line-height: 1.4;
}

.timeline-actor-name {
    font-weight: 600;
    color: var(--text-primary);
}

.timeline-action-title {
    color: var(--text-secondary);
}

.timeline-circle-name {
    color: var(--text-muted);
    font-size: 13px;
}

.timeline-action-description {
    margin: 12px 0;
    font-size: 14px;
    line-height: 1.5;
    color: var(--text-secondary);
}

.timeline-action-target {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm); /* Was 8px */
    margin: 12px 0;
    padding: 8px 12px;
    background: var(--surface-dark); /* Common.css variable */
    border: 1px solid var(--border-color); /* Common.css variable */
    border-radius: var(--border-radius-medium); /* Common.css variable */
    font-size: 13px;
    color: var(--text-secondary);
}

.timeline-action-target i {
    color: var(--text-muted);
    font-size: 12px;
}

.timeline-action-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border-color); /* Common.css variable */
}

.timeline-timestamp {
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 500;
}

.timeline-metadata {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.metadata-tag {
    background: var(--surface-dark); /* Common.css variable */
    color: var(--text-muted); /* Common.css variable */
    padding: 4px 8px;
    border-radius: var(--border-radius-small); /* Common.css variable */
    font-size: 11px;
    font-weight: 500;
    border: 1px solid var(--border-color); /* Common.css variable */
}

.empty-state {
    text-align: center;
    color: var(--text-secondary);
    font-size: 14px;
    margin-top: 40px;
}

/* Action type color variations */
.timeline-action-icon.primary {
    background-color: var(--primary-accent); /* Common.css variable */
}

.timeline-action-icon.secondary {
    background-color: #6b7280; /* Literal secondary color */
}

.timeline-action-icon.success {
    background-color: #10b981; /* Literal success color */
}

.timeline-action-icon.warning {
    background-color: #f59e0b; /* Literal warning color */
}
.timeline-action-icon.warning i { color: var(--bg-dark); } /* Adjust icon color for contrast */

.timeline-action-icon.info {
    background-color: #06b6d4; /* Literal info color */
}
.timeline-action-icon.info i { color: var(--bg-dark); } /* Adjust icon color for contrast */

.timeline-action-icon.accent {
    background-color: #8b5cf6; /* Literal accent color */
}

/* Scrollbar styling is now handled globally by common.css */

/* Responsive design */
@media (max-width: 768px) {
    .timeline-view-container {
        flex-direction: column;
        margin: 20px;
        height: calc(100vh - 80px);
    }
    
    .timeline-sidebar {
        width: 100%;
        height: auto;
        max-height: 200px;
    }
    
    .timeline-day-actions::before {
        left: 24px;
    }
    
    .timeline-action-avatar img {
        width: 40px;
        height: 40px;
    }
    
    .timeline-action-icon {
        width: 20px;
        height: 20px;
    }
    
    .timeline-action-icon i {
        font-size: 8px;
    }
}