/* Base Styles */
:root {
    /* Colors */
    --color-bg: #1d1a2a;
    --color-text: #ffffff;
    --color-text-dark: #000000;
    --color-text-secondary: #6b7280;
    --color-border: #535760;
    --color-border-selected: #dddddd;
    --color-primary: #393939;
    --color-primary-hover: #2563eb;
    --color-surface: #9c8bff;
    --color-surface-hover: #bfbfbf;
    --color-backdrop: rgba(0, 0, 0, 0.5);
    --color-box-area: #6b7280;
    --color-box-selected: #23212d;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  
    /* Spacing */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
  
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
  
    /* Z-index layers */
    --z-toolbar: 10;
    --z-panels: 20;
    --z-overlay: 30;
    --z-modal: 40;
    --z-tooltip: 50;
}
  
/* Reset & Base Styles */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
  
html, body {
    height: 100%;
    overflow: hidden;
}
  
body {
    font-family: 'Nunito Sans', sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: var(--color-text);
    background: var(--color-bg);
}
  
/* App Layout */
.app {
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
}
  
/* Toolbar */
.toolbar {
    display: flex;
    align-items: center;
    padding: var(--spacing-2);
    gap: var(--spacing-4);
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    z-index: var(--z-toolbar);
}
  
.toolbar-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-1);
}
  
.toolbar-group:not(:last-child)::after {
    content: '';
    width: 1px;
    height: 24px;
    background: var(--color-border);
    margin: 0 var(--spacing-4);
}
  
/* Main Content */
.main-content {
    display: flex;
    flex: 1;
    overflow: hidden;
}
  
/* Panels */
.panel {
    display: flex;
    flex-direction: column;
    background: var(--color-bg);
    border-right: 1px solid var(--color-border);
    width: 320px;
    max-width: 400px;
    overflow: auto;
}
  
/* Import Sections */
.import-section {
    margin-bottom: var(--spacing-6);
}

/* Import Section Spacing */
.import-section:not(:last-child) {
    margin-bottom: var(--spacing-6);
}

.import-section h3 {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-3);
}

.import-section h4 {
    font-size: 10px;
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-3);
}

.base-character-area,
.accessories-area {
    background: var(--color-box-area);
    border-radius: 6px;
    padding: var(--spacing-3);
}

/* Model Card Styles */
.model-card {
    background: var(--color-bg);
    padding: var(--spacing-3);
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-3);
}

.model-card {
    cursor: pointer;
}

.model-card.selected {
    border: 1px solid var(--color-border-selected);
    border-radius: 6px;
    /* border-color: var(--color-primary); */
    background-color: var(--color-box-selected);
}


.model-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.model-thumbnail {
    width: 48px;
    height: 48px;
    background: var(--color-bg);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-secondary);
}

.model-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-1);
}

.model-name {
    font-weight: 500;
    color: var(--color-text);
    font-size: 14px;
}

.model-stats {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-1);
    font-size: 12px;
    color: var(--color-text-secondary);
}

.stat-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-1);
}

.model-actions {
    display: flex;
    gap: var(--spacing-2);
}

  
/* Accessories List */
.accessories-list {
    margin-top: var(--spacing-4);
}

.accessories-list:empty {
    display: none;
}

/* Accessories Actions */
.accessories-actions {
    margin-top: var(--spacing-4);
    padding-top: var(--spacing-4);
    border-top: 1px solid var(--color-border);
}

/* Transition Animations */
.model-card,
.accessories-actions {
    animation: fadeIn var(--transition-normal);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(4px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}


.btn-full {
    width: 100%;
    justify-content: center;
}
  
.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-3) var(--spacing-4);
    border-bottom: 1px solid var(--color-border);
}
  
.panel-header h2 {
    font-size: 1rem;
    font-weight: 600;
}
  
.panel-content {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-4);
}
  
/* Viewport */
.viewport {
    flex: 1;
    position: relative;
    background: #363535;
    overflow: hidden;
}
  
#viewport-canvas {
    width: 100%;
    height: 100%;
}
  
.viewport-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}
  
.viewport-tools {
    position: absolute;
    top: var(--spacing-4);
    right: var(--spacing-4);
    display: flex;
    gap: var(--spacing-2);
    pointer-events: all;
}
  
.viewport-stats {
    position: absolute;
    bottom: var(--spacing-4);
    left: var(--spacing-4);
    background: rgba(0, 0, 0, 0.5);
    color: white;
    padding: var(--spacing-1) var(--spacing-2);
    border-radius: 4px;
    font-size: 12px;
}
  
/* Status Bar */
.status-bar {
    display: flex;
    align-items: center;
    padding: var(--spacing-2) var(--spacing-4);
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    font-size: 12px;
    color: var(--color-text-secondary);
}
  
.status-item {
    margin-right: var(--spacing-4);
}
  
/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-2) var(--spacing-3);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    background: var(--color-bg);
    color: var(--color-text);
    font-size: 13px;
    cursor: pointer;
    transition: all var(--transition-fast);
}
  
.btn:hover:not(:disabled) {
    background: var(--color-surface);
}
  
.btn:active:not(:disabled) {
    background: var(--color-surface-hover);
}
  
.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}
  
.btn-primary {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}
  
.btn-primary:hover:not(:disabled) {
    background: var(--color-primary-hover);
}
  
.btn-icon {
    padding: var(--spacing-2);
    border-radius: 4px;
    transition: all var(--transition-normal);
}

.btn-icon:hover {
    background: var(--color-surface);
}

.btn-icon:active {
    background: var(--color-surface-hover);
}
  
/* Inputs */
.search-bar {
    position: relative;
    margin-bottom: var(--spacing-4);
}
  
.search-input {
    width: 100%;
    padding: var(--spacing-2) var(--spacing-4);
    padding-left: calc(var(--spacing-4) + 16px);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    background: var(--color-bg);
}
  
.search-bar .icon-search {
    position: absolute;
    left: var(--spacing-2);
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-secondary);
}
  
/* Property Groups */
.property-section {
    margin-bottom: var(--spacing-6);
}
  
.property-section h3 {
    font-size: 13px;
    font-weight: 600;
    margin-bottom: var(--spacing-3);
    color: var(--color-text-secondary);
}

.property-group {
    margin-bottom: var(--spacing-4);
}
  
.property-group label {
    display: block;
    font-size: 12px;
    margin-bottom: var(--spacing-1);
    color: var(--color-text-secondary);
}
  
.vector3-input {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-2);
}
  
.vector3-input input {
    width: 100%;
    padding: var(--spacing-1) var(--spacing-2);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    font-size: 12px;
}
  
/* Modal Container Styles */
.modal {
    position: fixed;
    inset: 0;
    z-index: var(--z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-backdrop);
}

.modal-container {
    position: relative;
    background: var(--color-bg);
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    width: 90vw;
    max-width: 1200px;  /* Increased from 1000px for better layout */
    height: 90vh;       /* Fixed height relative to viewport */
    display: flex;
    flex-direction: column;
}

.modal-header {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-4);
    border-bottom: 1px solid var(--color-border);
}

.modal-content {
    flex: 1;
    min-height: 0;  /* Important for nested flex scrolling */
    padding: var(--spacing-4);
    overflow: hidden;  /* Hide overflow at this level */
}

.modal-footer {
    flex: 0 0 auto;
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-2);
    padding: var(--spacing-4);
    border-top: 1px solid var(--color-border);
}

.form-group {
    margin-bottom: var(--spacing-4);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-2);
    font-weight: 500;
    color: var(--color-text);
}

.input-field {
    width: 100%;
    padding: var(--spacing-2) var(--spacing-3);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    font-size: 14px;
    color: var(--color-text-dark);
    transition: border-color var(--transition-fast);
}

.input-field:focus {
    outline: none;
    border-color: var(--color-primary);
}


/* Bone Manager Content */
.bone-manager-content {
    display: grid;
    grid-template-columns: minmax(300px, 1fr) minmax(400px, 2fr); /* Fixed minimum widths */
    gap: var(--spacing-4);
    height: 100%;  /* Take full height of modal-content */
}

/* Left Side - Bone List */
.bone-list-container {
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 0;  /* Important for nested flex scrolling */
}

.bone-manager-toolbar {
    flex: 0 0 auto;
    margin-bottom: var(--spacing-4);
}

.bone-header {
    display: flex;
    align-items: center;
    padding: var(--spacing-1) var(--spacing-2);
    border-radius: 4px;
    cursor: pointer;
}

.bone-header:hover {
    background: var(--color-surface);
}

/* Bone Toggle Button */
.bone-toggle {
    width: 16px;
    height: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    color: var(--color-text-secondary);
    cursor: pointer;
    flex-shrink: 0;
    transition: transform 0.15s ease;
}

.bone-toggle.expanded {
    transform: rotate(90deg);
}

/* Bone Name */
.bone-name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    margin-right: var(--spacing-2);
}

/* Bone Checkbox */
.bone-checkbox {
    margin-right: var(--spacing-2);
    flex-shrink: 0;
}

.bone-list {
    flex: 1;
    overflow-y: auto;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    background: var(--color-bg);
    padding: var(--spacing-2);
    min-height: 0;  /* Important for nested flex scrolling */
}

/* Bone Children Container */
.bone-children {
    position: relative;
    margin-left: var(--spacing-1);
}

/* Add vertical line for hierarchy */
.bone-children::before {
    content: '';
    position: absolute;
    left: -12px;
    top: 0;
    bottom: 0;
    width: 1px;
    background: var(--color-border);
}


/* Right Side - Preview */
.bone-preview {
    display: flex;
    flex-direction: column;
    height: 100%;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    overflow: hidden;  /* Contain the canvas */
}

.bone-selection {
    margin-top: var(--spacing-2);
}

.bone-select {
    width: 100%;
    padding: var(--spacing-1) var(--spacing-2);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    background: var(--color-bg);
    font-size: 12px;
    color: var(--color-text);
}

.bone-select:hover {
    border-color: var(--color-primary);
}

.bone-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.1);
}


.preview-header {
    flex: 0 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-2) var(--spacing-4);
    border-bottom: 1px solid var(--color-border);
    background: var(--color-bg);
}

.preview-viewport {
    flex: 1;
    position: relative;
    background: var(--color-surface);
}

#bone-preview-canvas {
    width: 100%;
    height: 100%;
    display: block;
}

/* Search and Tools */
.bone-manager-toolbar {
    margin-bottom: var(--spacing-4);
}

.tool-buttons {
    display: flex;
    gap: var(--spacing-2);
    margin-top: var(--spacing-2);
}


/* Dropzone */
.dropzone {
    border: 2px dashed var(--color-border);
    border-radius: 6px;
    padding: var(--spacing-6);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.dropzone:hover,
.dropzone.active {
    border-color: var(--color-primary);
    background: var(--color-surface);
}

.dropzone.active .icon,
.dropzone:hover .icon {
    color: var(--color-primary);
    transform: translateY(-2px);
}
  
/* Icons */
.icon {
    display: inline-flex;
    width: 1.25em;
    height: 1.25em;
    stroke: currentColor;
    fill: none;
    vertical-align: middle;
}
  
.icon--sm {
    width: 1em;
    height: 1em;
}
  
.icon--lg {
    width: 1.5em;
    height: 1.5em;
}
  
.icon--xl {
    width: 2em;
    height: 2em;
}
  
/* Button with Icon */
.btn .icon {
    margin-right: 0.5em;
}
  
.btn-icon .icon {
    margin-right: 0;
}
  
/* Icon colors */
.icon--primary {
    color: var(--color-primary);
}
  
.icon--secondary {
    color: var(--color-text-secondary);
}
  
.icon--danger {
    color: var(--color-danger, #ef4444);
}

/* Transform Controls */
.transform-controls .btn {
    position: relative;
    overflow: hidden;
}

.transform-controls .btn.active {
    background-color: var(--color-surface);
    border-color: var(--color-primary-selected);
    color: white;
    /* box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.2); */
    transform: translateY(1px);
}

.transform-controls .btn.active .icon {
    color: white;
}


/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}
  
/* Print styles */
@media print {
    .app {
        display: none;
    }
}

[hidden] {
    display: none !important;
}


/* Axis Slider Container */
.axis-slider {
    position: relative;
    display: grid;
    grid-template-columns: 20px 1fr 50px;
    gap: var(--spacing-2);
    align-items: center;
    margin-bottom: var(--spacing-2);
    height: 24px; /* Explicit height */
}

/* Axis Label */
.axis-label {
    color: var(--color-text-secondary);
    font-size: 12px;
    font-weight: 500;
}

/* Slider Track and Input Container */
.axis-slider-track {
    position: relative;
    height: 6px;
    background: var(--color-border);
    border-radius: 3px;
    grid-column: 2;
}

/* Slider Fill */
.axis-slider-fill {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-surface);
    transform-origin: left;
    border-radius: 3px;
}

/* Range Input */
.axis-slider-input {
    position: absolute;
    top: 50%;
    left: 20px; /* Align with grid */
    width: calc(100% - 70px); /* Account for label and value */
    transform: translateY(-50%);
    -webkit-appearance: none;
    background: transparent;
    cursor: pointer;
}

/* Custom styling for the range input thumb */
.axis-slider-input::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-surface);
    border: none;
    cursor: pointer;
}

.axis-slider-input::-moz-range-thumb {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-surface);
    border: none;
    cursor: pointer;
}

/* Value Display */
.axis-slider-value {
    color: var(--color-text);
    font-size: 12px;
    text-align: right;
    font-family: monospace;
}

/* Hover Effects */
.axis-slider:hover .axis-slider-track {
    background: var(--color-border-selected);
}

.axis-slider:hover .axis-slider-fill {
    background: var(--color-primary-hover);
}

/* Property Group Spacing */
.property-group {
    margin-bottom: var(--spacing-4);
}

.property-group label {
    display: block;
    color: var(--color-text-secondary);
    font-size: 13px;
    margin-bottom: var(--spacing-2);
}

.import-section:not(:last-child) {
    margin-bottom: var(--spacing-6);
    padding-bottom: var(--spacing-4);
    border-bottom: 1px solid var(--color-border);
}

.model-mesh-selection {
    margin-top: var(--spacing-2);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-1);
    cursor: pointer;
    padding: var(--spacing-1) var(--spacing-2);
    border-radius: 4px;
    transition: background-color var(--transition-fast);
}

.model-mesh-selection:hover {
    background-color: var(--color-surface);
}

.mesh-selection-label {
    font-size: 11px;
    color: var(--color-text-secondary);
    margin-bottom: 0;
}

.selected-mesh-name {
    font-size: 12px;
    font-weight: 500;
    color: var(--color-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 150px;
}

/* Add a visual indicator for the selection mode */
.mesh-selection-mode .viewport {
    cursor: crosshair;
}

.mesh-selection-mode #viewport-canvas {
    outline: 2px solid var(--color-surface);
}

/* Style for when in selection mode */
.mesh-selection-mode .model-mesh-selection {
    background-color: var(--color-surface);
}

.checkbox-container {
    display: flex;
    align-items: center;
    cursor: pointer;
    margin-bottom: var(--spacing-2);
}

.checkbox-container input[type="checkbox"] {
    margin-right: var(--spacing-2);
}

.checkbox-label {
    font-size: 13px;
    color: var(--color-text);
}

/* Alignment mode indicator */
.in-alignment-mode .viewport {
    outline: 2px solid var(--color-surface);
}

.alignment-controls {
    margin-top: var(--spacing-2);
    margin-bottom: var(--spacing-2);
}

/* Finish alignment button styling */
[data-action="finish-alignment"] {
    background-color: var(--color-surface);
    color: var(--color-text-dark);
    font-weight: 500;
}

[data-action="finish-alignment"]:hover {
    background-color: var(--color-surface-hover);
}

/* Add these styles to your CSS file */
.secondary-viewport {
    position: absolute;
    top: 20px;
    left: 20px;
    width: 320px;
    height: 240px; /* Set initial 4:3 aspect ratio */
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-lg);
    z-index: var(--z-overlay);
    max-width: 500px;
    max-height: 375px;
    pointer-events: all; /* Ensure it captures events */
}

.secondary-viewport-header {
    display: flex;
    flex-direction: row-reverse;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-2);
    background: transparent;
    cursor: default;
    user-select: none;
    pointer-events: all;
}

.secondary-viewport-header .btn-icon {
    padding: 0;
}

.secondary-viewport-header h4 {
    font-size: 10px;
    margin: 0;
    color: var(--color-text);
}

#secondary-viewport-canvas {
    flex: 1;
    width: 100%;
    height: 100%;
    pointer-events: all;
}

.resize-handle {
    position: absolute;
    right: 0;
    bottom: 0;
    width: 14px;
    height: 14px;
    cursor: nwse-resize;
    background: linear-gradient(
        135deg,
        transparent 0%,
        transparent 50%,
        var(--color-surface) 50%,
        var(--color-surface) 100%
    );
    pointer-events: all;
    z-index: 1; /* Ensure it's above the canvas */
}

/* Override viewport-overlay to allow pointer events */
.viewport-overlay {
    pointer-events: none; /* None by default */
}

/* But allow pointer events for its children */
.viewport-overlay > * {
    pointer-events: auto;
}

/* Make the secondary viewport draggable */
.secondary-viewport.dragging {
    opacity: 0.8;
    pointer-events: none;
}

/* Style for active toggle button */
[data-action="toggle-secondary-viewport"].active,
[data-action="animate-expressions"].active {
    background-color: var(--color-surface);
}

.color-picker-container {
    display: flex;
    align-items: center;
}

.color-picker-container input[type="color"] {
    width: 50px;
    height: 30px;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    background: var(--color-bg);
    cursor: pointer;
}

.color-preview {
    width: 30px;
    height: 30px;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    margin-left: var(--spacing-2);
}

/* Expression dropdown styles */
.model-card-extension {
    background: var(--color-bg);
    padding: var(--spacing-3);
    border-top: 1px solid var(--color-border); /* Creates a divider from the main card */
    border-radius: 0 0 6px 6px; /* Rounded corners only at the bottom */
    margin-top: -3px; /* Slight overlap to connect visually with the model-card */
    margin-bottom: var(--spacing-3);
    animation: fadeIn var(--transition-normal);
}

.model-expressions-section {
    margin-top: 0;
    border-top: none;
    padding-top: 0;
}

/* Adjust model-card to have no margin when followed by extension */
.model-card + .model-card-extension {
    margin-top: -8px;
}

/* Make model-card have rounded corners only at the top when extension is present */
.model-card:not(:last-child) {
    border-radius: 6px 6px 0 0;
    margin-bottom: 0;
}

.expressions-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-2);
    background-color: var(--color-bg);
    border-radius: 4px;
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.expressions-header:hover {
    background-color: var(--color-surface);
}

.expressions-title {
    font-weight: 500;
    font-size: 13px;
    color: var(--color-text);
}

.expand-icon {
    font-size: 10px;
    color: var(--color-text-secondary);
    transition: transform var(--transition-fast);
}

.expressions-container {
    margin-top: var(--spacing-2);
    max-height: 300px;
    overflow-y: auto;
    padding: var(--spacing-2);
    background-color: var(--color-box-area);
    border-radius: 4px;
    transition: max-height var(--transition-normal), opacity var(--transition-normal);
}

.expression-slider-group {
    margin-bottom: var(--spacing-3);
}

.expression-label {
    display: block;
    font-size: 12px;
    color: var(--color-text);
    margin-bottom: var(--spacing-1);
}

.expression-button-container {
    margin-top: var(--spacing-3);
    padding-top: var(--spacing-2);
    border-top: 1px solid var(--color-border);
}

.no-expressions-message {
    color: var(--color-text-secondary);
    font-style: italic;
    text-align: center;
    padding: var(--spacing-3);
    font-size: 12px;
}

/* Make expression sliders more compact than the main sliders */
.expressions-container .axis-slider {
    height: 20px;
    margin-bottom: var(--spacing-1);
}

.expressions-container .axis-slider-value {
    font-size: 10px;
    width: 40px;
}