/* Component-specific styles */

/* Frame Type Indicators */
.frame-type-i {
    color: #dc2626;
    font-weight: 600;
}

.frame-type-p {
    color: #2563eb;
    font-weight: 600;
}

.frame-type-b {
    color: #059669;
    font-weight: 600;
}

/* Chart Legends */
.chart-legend {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-md);
    font-size: 0.875rem;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.legend-color {
    width: 12px;
    height: 12px;
    border-radius: 2px;
}

.legend-i { background-color: #dc2626; }
.legend-p { background-color: #2563eb; }
.legend-b { background-color: #059669; }
.legend-bitrate { background-color: #7c3aed; }

/* Combined Chart Styles */
.combined-chart-panel {
    grid-column: 1 / -1;
}

.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.chart-header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.chart-toggles {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.toggle-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    cursor: pointer;
    font-size: 0.875rem;
    user-select: none;
}

.toggle-item input[type="checkbox"] {
    margin: 0;
    cursor: pointer;
}

.toggle-color {
    width: 16px;
    height: 16px;
    border-radius: 3px;
    display: inline-block;
}

.toggle-i { background-color: #dc2626; }
.toggle-p { background-color: #2563eb; }
.toggle-b { background-color: #059669; }
.toggle-bitrate { background-color: #7c3aed; }

.combined-chart-container {
    position: relative;
    height: 400px;
    margin-bottom: var(--spacing-md);
    overflow: hidden; /* Prevent drag selection from exceeding bounds */
}

/* Box Structure Split Layout */
.box-structure-container {
    display: flex;
    gap: var(--spacing-lg);
    height: 500px;
    min-height: 400px;
}

.box-tree-panel {
    flex: 0 0 40%;
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--border-color);
    padding-right: var(--spacing-lg);
}

.box-tree-panel h3 {
    margin: 0 0 var(--spacing-md) 0;
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
}

.box-details-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.box-details-panel h3 {
    margin: 0 0 var(--spacing-md) 0;
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
}

.box-tree-container {
    flex: 1;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: var(--spacing-sm);
    background: var(--surface-color);
}

.box-details-container {
    flex: 1;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: var(--spacing-md);
    background: var(--surface-color);
}

.box-details-placeholder {
    color: var(--text-muted);
    font-style: italic;
    text-align: center;
    padding: var(--spacing-xl);
}

/* Box Details Content */
.box-details-content {
    font-family: 'Courier New', monospace;
    font-size: 0.875rem;
}

.box-details-header {
    border-bottom: 2px solid var(--border-color);
    padding-bottom: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.box-details-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 0 0 var(--spacing-xs) 0;
}

.box-details-subtitle {
    color: var(--text-secondary);
    margin: 0;
    font-size: 0.875rem;
}

.box-details-description {
    background: var(--background-color);
    border-left: 4px solid var(--primary-color);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    border-radius: var(--border-radius-sm);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    font-size: 0.9rem;
    line-height: 1.5;
    color: var(--text-primary);
}

.box-details-description-title {
    font-weight: 600;
    color: var(--primary-color);
    margin: 0 0 var(--spacing-sm) 0;
    font-size: 0.95rem;
}

.box-details-description-content {
    margin: 0;
    color: var(--text-secondary);
}

.box-details-section {
    margin-bottom: var(--spacing-lg);
}

.box-details-section-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-sm) 0;
    padding-bottom: var(--spacing-xs);
    border-bottom: 1px solid var(--border-color);
}

.box-details-field {
    display: flex;
    margin-bottom: var(--spacing-xs);
    line-height: 1.4;
}

.box-details-field-name {
    color: var(--text-secondary);
    font-weight: 500;
    min-width: 140px;
    flex-shrink: 0;
    margin-right: var(--spacing-md);
}

.box-details-field-value {
    color: var(--text-primary);
    word-break: break-all;
    flex: 1;
}

.box-details-binary {
    background: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: var(--spacing-sm);
    margin: var(--spacing-xs) 0;
    font-family: 'Courier New', monospace;
    font-size: 0.75rem;
    color: var(--text-secondary);
    word-break: break-all;
    white-space: pre-wrap;
}

/* Responsive Design for Box Structure */
@media (max-width: 768px) {
    .box-structure-container {
        flex-direction: column;
        height: auto;
    }
    
    .box-tree-panel {
        flex: none;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        padding-right: 0;
        padding-bottom: var(--spacing-lg);
        margin-bottom: var(--spacing-lg);
    }
    
    .box-tree-container,
    .box-details-container {
        height: 300px;
    }
}

/* Box Tree Styles */
.box-tree {
    font-family: 'Courier New', monospace;
    font-size: 0.875rem;
    line-height: 1.4;
}

.box-item {
    display: block;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    transition: all 0.2s ease;
    cursor: pointer;
    margin-bottom: 2px;
}

.box-header {
    display: flex;
    align-items: center;
    cursor: pointer;
    padding: var(--spacing-xs) 0;
}

.box-item:hover {
    background-color: var(--background-color);
}

.box-item.selected {
    background-color: var(--primary-color);
    color: white;
    font-weight: 600;
}

.box-item.selected .box-size,
.box-item.selected .box-offset {
    color: rgba(255, 255, 255, 0.8);
}

.box-item.clickable {
    color: var(--primary-color);
}

.box-item.clickable:hover {
    text-decoration: underline;
}

.box-indent {
    margin-left: var(--spacing-md);
}

.box-type {
    font-weight: 600;
    color: var(--text-primary);
    min-width: 60px;
}

.box-size {
    color: var(--text-secondary);
    margin-left: var(--spacing-sm);
    font-size: 0.75rem;
}

.box-offset {
    color: var(--text-muted);
    margin-left: var(--spacing-xs);
    font-size: 0.7rem;
    font-family: 'Courier New', monospace;
}

.box-details {
    margin-left: var(--spacing-sm);
    color: var(--text-muted);
    font-size: 0.75rem;
}

.box-expand {
    color: var(--text-secondary);
    font-size: 0.75rem;
    margin-right: var(--spacing-xs);
    width: 12px;
    display: inline-block;
    text-align: center;
    transition: transform 0.2s ease;
}

.box-expand-placeholder {
    width: 12px;
    margin-right: var(--spacing-xs);
    display: inline-block;
}

.box-fields {
    margin-left: 24px;
    margin-top: var(--spacing-xs);
    padding: var(--spacing-xs);
    background: var(--background-color);
    border-radius: var(--border-radius-sm);
    border-left: 2px solid var(--border-color);
    font-size: 0.75rem;
    transition: all 0.2s ease;
}

.box-fields.collapsed {
    display: none;
}

.field-row {
    display: flex;
    margin-bottom: 2px;
    line-height: 1.3;
}

.field-key {
    color: var(--text-secondary);
    font-weight: 500;
    min-width: 120px;
    flex-shrink: 0;
}

.field-value {
    color: var(--text-primary);
    font-family: 'Courier New', monospace;
    word-break: break-all;
    flex: 1;
}

.field-simple {
    color: var(--text-muted);
    font-style: italic;
    margin-bottom: 2px;
}

/* Track Information */
.track-item {
    background: var(--background-color);
    border-radius: var(--border-radius-sm);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.track-header {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.track-details {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--spacing-xs) var(--spacing-md);
    font-size: 0.875rem;
}

.track-details dt {
    font-weight: 500;
    color: var(--text-secondary);
}

.track-details dd {
    color: var(--text-primary);
}

/* Progress Indicators */
.progress-bar {
    width: 100%;
    height: 4px;
    background: var(--border-color);
    border-radius: 2px;
    overflow: hidden;
    margin: var(--spacing-sm) 0;
}

.progress-fill {
    height: 100%;
    background: var(--primary-color);
    transition: width 0.3s ease;
    border-radius: 2px;
}

/* Status Indicators */
.status-indicator {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 500;
}

.status-loading {
    background: #fef3c7;
    color: #92400e;
}

.status-success {
    background: #dcfce7;
    color: #166534;
}

.status-error {
    background: #fee2e2;
    color: #991b1b;
}

.status-indicator::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
}

/* Tooltip Styles */
.tooltip {
    position: absolute;
    background: rgba(0, 0, 0, 0.9);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    font-size: 0.75rem;
    pointer-events: none;
    z-index: 1000;
    white-space: nowrap;
}

.tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    margin-left: -4px;
    border-width: 4px;
    border-style: solid;
    border-color: rgba(0, 0, 0, 0.9) transparent transparent transparent;
}

/* Context Menu */
.context-menu {
    position: absolute;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    min-width: 160px;
    overflow: hidden;
}

.context-menu-item {
    display: block;
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    background: transparent;
    text-align: left;
    cursor: pointer;
    color: var(--text-primary);
    font-size: 0.875rem;
    transition: background-color 0.2s ease;
}

.context-menu-item:hover {
    background: var(--background-color);
}

.context-menu-item:disabled {
    color: var(--text-muted);
    cursor: not-allowed;
}

.context-menu-separator {
    height: 1px;
    background: var(--border-color);
    margin: var(--spacing-xs) 0;
}

/* Chart Customizations */
.chart-container canvas {
    border-radius: var(--border-radius-sm);
}

.chart-zoom-indicator {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    font-size: 0.75rem;
    pointer-events: none;
}

/* Drag and Drop Styles */
.drag-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(37, 99, 235, 0.1);
    border: 2px dashed var(--primary-color);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: var(--spacing-sm);
    color: var(--primary-color);
    font-weight: 600;
    z-index: 10;
}

.drag-overlay svg {
    width: 48px;
    height: 48px;
    opacity: 0.7;
}

/* Animation Classes */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideIn {
    from { transform: translateX(-100%); }
    to { transform: translateX(0); }
}

.animate-fade-in {
    animation: fadeIn 0.3s ease-out;
}

.animate-slide-in {
    animation: slideIn 0.3s ease-out;
}

/* Scrollbar Customization */
.box-tree-container::-webkit-scrollbar {
    width: 6px;
}

.box-tree-container::-webkit-scrollbar-track {
    background: var(--background-color);
    border-radius: 3px;
}

.box-tree-container::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

.box-tree-container::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* Focus Styles */
button:focus,
input:focus,
select:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    :root {
        --border-color: #000;
        --text-secondary: #000;
        --text-muted: #333;
    }
    
    .btn {
        border-width: 2px;
    }
    
    .box-item:hover {
        outline: 1px solid currentColor;
    }
}

/* Chart Zoom Controls */
.chart-zoom-controls {
    display: flex;
    gap: var(--spacing-xs);
    align-items: center;
}

.btn-icon {
    min-width: 32px;
    height: 32px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
}

.btn-icon:hover {
    background: var(--background-color);
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.btn-icon:active {
    transform: translateY(0);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.btn-icon .icon {
    font-size: 16px;
    font-weight: 600;
    line-height: 1;
}

/* Tooltips for icon buttons */
.btn-icon::after {
    content: attr(title);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.9);
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
    margin-bottom: 5px;
    z-index: 1000;
}

.btn-icon::before {
    content: '';
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 4px solid transparent;
    border-top-color: rgba(0, 0, 0, 0.9);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
    margin-bottom: 1px;
    z-index: 1000;
}

.btn-icon:hover::after,
.btn-icon:hover::before {
    opacity: 1;
}

/* Disabled state for zoom buttons */
.btn-icon:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

.btn-icon:disabled:hover::after,
.btn-icon:disabled:hover::before {
    opacity: 0;
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    *,
    ::before,
    ::after {
        animation-delay: -1ms !important;
        animation-duration: 1ms !important;
        animation-iteration-count: 1 !important;
        background-attachment: initial !important;
        scroll-behavior: auto !important;
        transition-duration: 0s !important;
        transition-delay: 0s !important;
    }
}