/* ==========================================
   1. CSS VARIABLES (THEME)
   ========================================== */
:root {
    --primary: #1eb6de;
    --primary-dark: #1892b2;
    --light-bg: #f8fcff;
    --border: #e1e5f1;
    --text: #1e293b;
    --text-light: #475569;
    --card-bg: #ffffff;
    --toast-bg: #2c3e50;
    --danger: #e53e3e;
    --danger-dark: #c53030;
    --success: #42b673;
    --success-dark: #23623d;
    --warning: #ed8936;
    --info: #4299e1;
}

[data-theme="dark"] {
    --primary: #1eb6de;
    --primary-dark: #1892b2;
    --light-bg: #292b32;
    --border: #4a4a5a;
    --text: #f1f5f9;
    --text-light: #cbd5e1;
    --card-bg: #1e1f28;
    --toast-bg: #111827;
    --danger: #f56565;
    --danger-dark: #e53e3e;
    --success: #48bb78;
    --success-dark: #38a169;
    --warning: #f6ad55;
    --info: #63b3ed;
}

/* ==========================================
   2. BASE & RESET
   ========================================== */
.mb10 { 
    margin-bottom: 10px !important; 
}

hr.compact { 
    margin: 8px 0 !important; 
}

.container-custom *,
.container-custom *::before,
.container-custom *::after { 
    box-sizing: border-box; 
}

/* ==========================================
   3. CONTAINER LAYOUT
   ========================================== */
.container-custom {
    width: 100%;
    margin: 20px auto;
    background: var(--card-bg);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05);
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    max-height: calc(100vh - 40px);
    overflow: hidden;
    position: relative;
}

.loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.85);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    z-index: 50;
    color: var(--primary);
    font-size: 14px;
    font-weight: 600;
    pointer-events: none;
}

[data-theme="dark"] .loading-overlay { 
    background: rgba(30, 31, 40, 0.85); 
}

.loading-overlay i { 
    font-size: 28px; 
}

/* ==========================================
   4. HEADER
   ========================================== */
.tool-header {
    padding: 8px 12px;
    border-bottom: 1px solid var(--border);
    background: var(--card-bg);
    border-radius: 6px 6px 0 0;
}

.tool-header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.tool-title {
    padding-bottom: 0 !important;
    color: var(--text);
    font-size: 1.1rem;
    font-weight: 600;
}

.tool-subtitle {
    margin: 0;
    color: var(--text-light);
    font-size: 0.75rem;
    line-height: normal;
}

.tool-actions { 
    display: flex; 
    gap: 6px; 
}

/* ==========================================
   TOOL ACTIONS BUTTONS HEIGHT ADJUSTMENT
   ========================================== */
.tool-actions .action-btn,
.tool-actions .success-btn,
.tool-actions .danger-btn {
    padding: 6px 12px;
}


/* ==========================================
   5. BUTTONS & ACTIONS
   ========================================== */
.primary-btn,
.action-btn,
.secondary-btn,
.success-btn,
.danger-btn,
.mini-btn,
.seed-btn {
    font-family: inherit;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    border: 1px solid transparent;
    padding: 8px 12px;
    white-space: nowrap;
    border-radius: 4px;
    outline: none;
    text-shadow: none !important;
    box-shadow: none !important;
    transform: none !important;
    filter: none !important;
    backdrop-filter: none !important;
    transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.primary-btn { 
    background: var(--primary); 
    color: #ffffff; 
}

.primary-btn:hover, 
.primary-btn:active, 
.primary-btn:focus {
    color: #ffffff;
    background: var(--primary-dark);
    border: 1px solid var(--primary-dark);
    text-shadow: none;
}

.primary-btn i, 
.action-btn i, 
.secondary-btn i, 
.seed-btn i, 
.success-btn i, 
.danger-btn i { 
    font-size: 15px; 
}

.primary-btn i.ci, 
.action-btn i.ci, 
.secondary-btn i.ci, 
.seed-btn i.ci, 
.success-btn i.ci, 
.danger-btn i.ci { 
    font-size: 20px; 
}

.action-btn { 
    background: var(--primary); 
    color: #ffffff; 
}

.action-btn:hover, 
.action-btn:active, 
.action-btn:focus {
    color: #ffffff;
    background: var(--primary-dark);
    border: 1px solid var(--primary-dark);
    text-shadow: none;
}

.secondary-btn {
    background: var(--light-bg);
    color: var(--text);
    border: 1px solid var(--border);
}

.secondary-btn:hover, 
.secondary-btn:active, 
.secondary-btn:focus {
    background: var(--card-bg);
    color: var(--primary);
    border: 1px solid var(--primary);
    text-shadow: none;
}

/* Professional Disabled State for Panel Buttons */
.secondary-btn:disabled,
.action-btn:disabled,
.danger-btn:disabled,
.success-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background: var(--light-bg) !important;
    color: var(--text-light) !important;
    border-color: var(--border) !important;
    text-shadow: none !important;
}

.success-btn { 
    color: #ffffff; 
    background: var(--success); 
    border: 1px solid var(--success); 
}

.success-btn:hover, 
.success-btn:active, 
.success-btn:focus {
    color: #ffffff;
    background: var(--success-dark);
    border: 1px solid var(--success-dark);
    text-shadow: none;
}

.danger-btn { 
    background: var(--danger); 
    color: #ffffff; 
}

.danger-btn:hover, 
.danger-btn:active, 
.danger-btn:focus {
    color: #ffffff;
    background: var(--danger-dark);
    border: 1px solid var(--danger-dark);
    text-shadow: none;
}

#UploadImageBtn i { 
    color: var(--primary); 
}

[data-theme="dark"] #UploadImageBtn i { 
    color: var(--primary); 
}

/* ==========================================
   6. WORKSPACE GRID
   ========================================== */
.tool-workspace {
    display: grid;
    grid-template-columns: 220px 1fr 260px;
    gap: 0;
    flex: 1;
    overflow: hidden;
}

/* ==========================================
   7. PANELS
   ========================================== */
.left-panel, 
.right-panel {
    background: var(--light-bg);
    padding: 5px;
    overflow-y: auto;
    height: 100%;
    scrollbar-width: thin;
    scrollbar-color: var(--border) transparent;
}

.left-panel::-webkit-scrollbar, 
.right-panel::-webkit-scrollbar { 
    width: 5px; 
}

.left-panel::-webkit-scrollbar-track, 
.right-panel::-webkit-scrollbar-track { 
    background: transparent; 
}

.left-panel::-webkit-scrollbar-thumb, 
.right-panel::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 3px;
}

.left-panel::-webkit-scrollbar-thumb:hover, 
.right-panel::-webkit-scrollbar-thumb:hover { 
    background: var(--primary); 
}

.right-panel { 
    position: relative; 
    z-index: 1; 
}

.middle-panel {
    padding: 10px;
    background: var(--light-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 0;
    min-height: 0;
    overflow: hidden;
    position: relative;
}

/* ==========================================
   8. PANEL SECTIONS
   ========================================== */
.panel-section {
    margin-bottom: 10px;
    background: var(--card-bg);
    border-radius: 4px;
    border: 1px solid var(--border);
}

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

.panel-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 5px;
    cursor: pointer;
    user-select: none;
    font-size: 12px;
    font-weight: 600;
    color: var(--text);
    background: rgba(147,149,155,.20);
    border-radius: 4px 4px 0 0;
    transition: background 0.15s;
}

.panel-section-header:hover { 
    background: var(--border); 
}

.panel-section-header i { 
    font-size: 9px; 
    color: var(--text-light); 
}

.panel-section-header i.fa-chevron-down { 
    transition: transform 0.2s; 
}

.panel-section.collapsed .panel-section-header i.fa-chevron-down { 
    transform: rotate(-90deg); 
}

.panel-section.collapsed .panel-section-header { 
    border-radius: 4px; 
}

.panel-section-content {
    padding: 5px;
    max-height: 800px;
    overflow: hidden;
    transition: max-height 0.2s ease-in-out, padding 0.2s ease-in-out, opacity 0.15s ease;
    opacity: 1;
}

.panel-section.collapsed .panel-section-content {
    max-height: 0;
    padding-top: 0;
    padding-bottom: 0;
    opacity: 0;
}

/* ==========================================
   9. FORM CONTROLS & WRAPS
   ========================================== */
.control-group { 
    margin-bottom: 5px; 
}

.control-group:last-child { 
    margin-bottom: 0; 
}

.control-group label {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    font-weight: 500;
    color: var(--text);
    margin-bottom: 2px;
}

.slider-row {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-bottom: 10px;
}

.slider-row:last-child { 
    margin-bottom: 0; 
}

.slider-label {
    font-size: 11px;
    color: var(--text);
    font-weight: 500;
    width: 65px;
    flex-shrink: 0;
}

.slider-value {
    font-size: 10px;
    color: var(--text);
    font-family: monospace;
    width: 32px;
    text-align: right;
    flex-shrink: 0;
}

/* ==========================================
   10. RANGE INPUTS (SLIDERS)
   ========================================== */
.slider-row input[type="range"], 
input[type="range"] {
    flex: 1;
    width: 100%;
    margin: 0;
    padding: 0;
    height: 10px;
    cursor: pointer;
    display: block;
    -webkit-appearance: none;
    appearance: none;
    background: transparent;
}

input[type="range"]::-webkit-slider-runnable-track {
    width: 100%;
    height: 6px;
    background: var(--border);
    border-radius: 3px;
    cursor: pointer;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 22px;
    height: 22px;
    background: var(--primary);
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid #ffffff;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
    margin-top: -8px;
    transition: transform 0.15s;
}

input[type="range"]::-webkit-slider-thumb:hover { 
    transform: scale(1.15); 
}

input[type="range"]::-moz-range-track {
    width: 100%;
    height: 6px;
    background: var(--border);
    border-radius: 3px;
    cursor: pointer;
}

input[type="range"]::-moz-range-thumb {
    width: 22px;
    height: 22px;
    background: var(--primary);
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid #ffffff;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
    transition: transform 0.15s;
}

input[type="range"]::-moz-range-thumb:hover { 
    transform: scale(1.15); 
}

/* ==========================================
   11. DROPDOWNS
   ========================================== */
.custom-dropdown { 
    position: relative; 
    width: 100%; 
}

.custom-dropdown-trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 6px;
    background-color: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 6px 8px;
    cursor: pointer;
    font-size: 12px;
    font-weight: 600;
    color: var(--text);
    transition: border-color 0.15s;
    text-shadow: none !important;
    box-shadow: none !important;
    transform: none !important;
}

.custom-dropdown-trigger:hover { 
    border-color: var(--primary); 
}

.custom-dropdown-trigger.active {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(30, 182, 222, 0.15);
}

.custom-dropdown-trigger i { 
    font-size: 9px; 
    color: var(--primary); 
    transition: transform 0.15s; 
}

.custom-dropdown-trigger.active i { 
    transform: rotate(180deg); 
}

.custom-dropdown-menu {
    position: fixed;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 4px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 10005; /* Increased to appear above modal overlays (z-index: 10001) */
    display: none;
    max-height: 255px;
    overflow-y: auto;
    min-width: 200px;
}

.custom-dropdown-menu.open { 
    display: block; 
}

.custom-dropdown-item {
    display: flex;
    align-items: center;
    width: 100%;
    padding: 6px 8px;
    font-size: 12px;
    font-weight: 500;
    color: var(--text);
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--border);
    cursor: pointer;
    text-align: left;
    outline: none;
    font-family: inherit;
    transition: background 0.15s, color 0.15s;
    text-shadow: none !important;
    box-shadow: none !important;
    transform: none !important;
    text-transform: none !important;
}

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

.custom-dropdown-item:hover {
    background: var(--light-bg);
    color: var(--primary);
    border: none;
    border-bottom: 1px solid var(--border);
}

.custom-dropdown-item.selected {
    background: rgba(30, 182, 222, 0.1);
    color: var(--primary);
    font-weight: 600;
}

/* ==========================================
   12. PREVIEW & DROP ZONE
   ========================================== */
.preview-canvas {
    display: block;
    width: 100%;
    height: 100%;
    border: none;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
    object-fit: contain;
    background: transparent;
}

.modified-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
    background: transparent;
}

.highlight-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 10;
}

.selection-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 15;
}

.modified-wrapper.checkerboard-active {
    background-image: 
        linear-gradient(45deg, rgba(0,0,0,0.08) 25%, transparent 25%), 
        linear-gradient(-45deg, rgba(0,0,0,0.08) 25%, transparent 25%), 
        linear-gradient(45deg, transparent 75%, rgba(0,0,0,0.08) 75%), 
        linear-gradient(-45deg, transparent 75%, rgba(0,0,0,0.08) 75%);
    background-size: 16px 16px;
    background-position: 0 0, 0 8px, 8px -8px, -8px 0px;
}

[data-theme="dark"] .modified-wrapper.checkerboard-active {
    background-image: 
        linear-gradient(45deg, rgba(255,255,255,0.08) 25%, transparent 25%), 
        linear-gradient(-45deg, rgba(255,255,255,0.08) 25%, transparent 25%), 
        linear-gradient(45deg, transparent 75%, rgba(255,255,255,0.08) 75%), 
        linear-gradient(-45deg, transparent 75%, rgba(255,255,255,0.08) 75%);
}

.drop-zone {
    width: 100%;
    height: 100%;
    min-height: 400px;
    border: 2px dashed var(--border);
    border-radius: 8px;
    background: var(--card-bg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 20px;
    transition: border-color 0.2s, background 0.2s, transform 0.2s;
    cursor: pointer;
}

.drop-zone.drag-over {
    border-color: var(--primary);
    background: rgba(30, 182, 222, 0.05);
    transform: scale(1.01);
}

.drop-zone-icon { 
    font-size: 48px; 
    color: var(--primary); 
    margin-bottom: 12px; 
    opacity: 0.8; 
}

.drop-zone-title { 
    font-size: 18px; 
    font-weight: 600; 
    color: var(--text); 
    margin-bottom: 6px; 
}

.drop-zone-subtitle { 
    font-size: 13px; 
    color: var(--text-light); 
    margin-bottom: 12px; 
}

.drop-zone-formats {
    font-size: 11px;
    color: var(--text-light);
    background: var(--light-bg);
    padding: 4px 10px;
    border-radius: 12px;
    border: 1px solid var(--border);
}

.truncate-text {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
    display: block;
    cursor: help;
}

/* ==========================================
   13. COMPARISON CONTAINER & ZOOM/PAN
   ========================================== */
.comparison-container {
    position: relative;
    max-width: 100%;
    max-height: calc(100vh - 120px);
    width: 100%;
    height: 100%;
    margin: 0 auto;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
    border-radius: 4px;
    overflow: hidden;
    user-select: none;
    display: none;
    align-items: center;
    justify-content: center;
    background-color: var(--card-bg);
    background-image: 
        linear-gradient(45deg, rgba(0,0,0,0.06) 25%, transparent 25%), 
        linear-gradient(-45deg, rgba(0,0,0,0.06) 25%, transparent 25%), 
        linear-gradient(45deg, transparent 75%, rgba(0,0,0,0.06) 75%), 
        linear-gradient(-45deg, transparent 75%, rgba(0,0,0,0.06) 75%);
    background-size: 20px 20px;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
}

[data-theme="dark"] .comparison-container {
    background-image: 
        linear-gradient(45deg, rgba(255,255,255,0.06) 25%, transparent 25%), 
        linear-gradient(-45deg, rgba(255,255,255,0.06) 25%, transparent 25%), 
        linear-gradient(45deg, transparent 75%, rgba(255,255,255,0.06) 75%), 
        linear-gradient(-45deg, transparent 75%, rgba(255,255,255,0.06) 75%);
}

.comparison-container.zoomed { 
    cursor: grab; 
}

.comparison-container.zoomed:active { 
    cursor: grabbing; 
}

.zoom-wrapper {
  position: relative;
  transform-origin: center center; 
  transition: transform 0.1s ease-out;
  flex-shrink: 0;
}

.comparison-image {
    display: block;
    pointer-events: none;
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.original-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    clip-path: inset(0 50% 0 0);
    pointer-events: none;
}

.comparison-slider-line {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 2px;
    background: var(--primary);
    z-index: 30;
    pointer-events: none;
}

.comparison-slider-handle {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(1);
    width: 36px;
    height: 36px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2px;
    color: #ffffff;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
    z-index: 31;
    cursor: ew-resize;
    transition: box-shadow 0.15s, background 0.15s;
}

.comparison-slider-handle:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
    background: var(--primary-dark);
}

.comparison-label {
    position: absolute;
    top: 10px; /* Both labels share the exact same vertical position */
    padding: 4px 8px;
    background: rgba(0, 0, 0, 0.6);
    color: #ffffff;
    font-size: 11px;
    font-weight: 600;
    border-radius: 4px;
    pointer-events: none;
    z-index: 40;
    display: none;
}

.original-label { 
    left: 65px; /* Pushed slightly right to clear the vertical canvas toolbar */
}

.quantized-label { 
    right: 10px; 
}

.tile-count-badge {
    position: absolute;
    background: rgba(0, 0, 0, 0.75);
    color: #ffffff;
    font-size: 11px;
    font-weight: 500;
    padding: 4px 8px;
    border-radius: 4px;
    z-index: 20;
    pointer-events: none;
    display: none;
}

.zoom-indicator {
    position: absolute;
    top: 145px; /* Stacked neatly below the Minimap */
    right: 10px;
    background: rgba(0, 0, 0, 0.75);
    color: #ffffff;
    font-size: 12px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 4px;
    z-index: 40;
    pointer-events: none;
    display: none;
    transition: right 0.2s;
}

.zoom-controls-wrap {
    position: absolute;
    bottom: 15px;
    right: 15px;
    display: flex;
    align-items: center;
    gap: 4px;
    z-index: 35;
    opacity: 0;
    transition: opacity 0.2s;
    pointer-events: none;
    background: rgba(0, 0, 0, 0.75);
    padding: 4px 6px;
    border-radius: 4px;
}

.comparison-container:hover .zoom-controls-wrap {
    opacity: 1;
    pointer-events: auto;
}

.zoom-btn {
    background: transparent;
    color: #ffffff;
    font-size: 12px;
    font-weight: 600;
    padding: 4px;
    border-radius: 4px;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s, color 0.15s;
    text-shadow: none;
    width: 28px;
    height: 28px;
}

.zoom-btn:hover {
    background: rgba(255, 255, 255, 0.15);
    border: none;
    text-shadow: none;
    color: #ffffff;
}

.zoom-btn i { 
    font-size: 12px; 
}

.zoom-slider {
    width: 80px;
    height: 4px;
    margin: 0 4px;
    cursor: pointer;
    -webkit-appearance: none;
    appearance: none;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 2px;
    outline: none;
    align-self: center;
}

.zoom-slider::-webkit-slider-runnable-track {
    width: 100%;
    height: 4px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 2px;
}

.zoom-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 14px;
    height: 14px;
    background: var(--primary);
    border-radius: 50%;
    cursor: pointer;
    margin-top: -5px;
    border: 2px solid #ffffff;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.zoom-slider::-moz-range-track {
    width: 100%;
    height: 4px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 2px;
}

.zoom-slider::-moz-range-thumb {
    width: 14px;
    height: 14px;
    background: var(--primary);
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid #ffffff;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

/* ==========================================
   14. BORDER & COLOR SETTINGS WRAP
   ========================================== */
.border-settings-wrap {
    display: flex;
    flex-wrap: wrap;
    column-gap: 8px;
    row-gap: 6px;
    background: var(--light-bg);
    padding: 6px 8px;
    border-radius: 4px;
    border: 1px solid var(--border);
    align-items: center;
}

.border-settings-wrap input[type="color"] {
    width: 28px;
    height: 28px;
    border: 1px solid var(--border);
    padding: 0;
    background: none;
    cursor: pointer;
    border-radius: 4px;
    flex-shrink: 0;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

.border-settings-wrap input[type="color"]::-webkit-color-swatch-wrapper { 
    padding: 0; 
    border-radius: 3px; 
    overflow: hidden; 
}

.border-settings-wrap input[type="color"]::-webkit-color-swatch { 
    border: none; 
    border-radius: 3px; 
}

.border-settings-wrap input[type="color"]::-moz-color-swatch { 
    border: none; 
}

.border-settings-wrap .color-hex {
    cursor: default;
    font-size: 11px;
    color: var(--text-light);
    font-family: monospace;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.border-toggle-switch {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    margin-left: auto;
}

.border-toggle-switch .toggle-label { 
    font-size: 11px; 
    color: var(--text); 
}

.border-toggle-switch input { 
    display: none; 
}

.border-toggle-switch .toggle-slider {
    width: 32px;
    height: 18px;
    background-color: var(--border);
    border-radius: 18px;
    position: relative;
    transition: background-color 0.2s;
}

.border-toggle-switch .toggle-slider::before {
    content: "";
    position: absolute;
    height: 14px;
    width: 14px;
    left: 2px;
    bottom: 2px;
    background-color: #ffffff;
    border-radius: 50%;
    transition: transform 0.2s;
}

.border-toggle-switch input:checked + .toggle-slider { 
    background-color: var(--primary); 
}

.border-toggle-switch input:checked + .toggle-slider::before { 
    transform: translateX(14px); 
}

/* ==========================================
   15. EXPORT GRID
   ========================================== */
.export-content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
}

.export-content-grid button {
    width: 100%;
    padding: 5px 2px;
    font-size: 12px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ==========================================
   16. TOAST & FULLSCREEN
   ========================================== */
#toastContainer {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
    max-width: calc(100% - 40px);
}

.toast {
    background: var(--toast-bg);
    color: white;
    padding: 8px 14px;
    border-radius: 4px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    margin-top: 6px;
    animation: slideUp 0.2s ease, fadeOut 0.2s ease 2.8s forwards;
    max-width: 280px;
    border-left: 3px solid var(--primary);
    text-shadow: none !important;
}

.toast.success { 
    border-left-color: var(--success); 
}

.toast.error { 
    border-left-color: var(--danger); 
}

@keyframes slideUp {
    from { 
        opacity: 0; 
        transform: translateY(10px); 
    }
    to { 
        opacity: 1; 
        transform: translateY(0); 
    }
}

@keyframes fadeOut {
    to { 
        opacity: 0; 
        transform: translateY(10px); 
    }
}

.container-custom.is-fullscreen {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    height: 100vh;
    max-height: 100vh;
    margin: 0;
    z-index: 9999;
    box-shadow: none;
    border-radius: 0;
}

.container-custom.is-fullscreen .tool-workspace {
    flex: 1;
    height: calc(100vh - 45px);
}

/* ==========================================
   17. CUSTOM NUMBER INPUTS FOR EXPORT
   ========================================== */
.custom-number-input {
    width: 100%;
    padding: 6px 8px;
    border: 1px solid var(--border);
    border-radius: 4px;
    background: var(--card-bg);
    color: var(--text);
    font-size: 11px;
    font-family: inherit;
    outline: none;
    transition: border-color 0.15s;
    -moz-appearance: textfield;
}

.custom-number-input::-webkit-outer-spin-button,
.custom-number-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.custom-number-input:focus { 
    border-color: var(--primary); 
}

/* ==========================================
   18. SLIDER ADJUST BUTTONS (+ / -)
   ========================================== */
.slider-adjust-btn {
    width: 20px;
    height: 20px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: var(--text-light);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    flex-shrink: 0;
    transition: color 0.15s;
    text-shadow: none;
}

.slider-adjust-btn i { 
    color: var(--text-light); 
    font-size: 10px; 
}

.slider-adjust-btn:hover { 
    color: var(--primary); 
    background: transparent; 
}

.slider-adjust-btn:active { 
    transform: scale(0.9); 
}

/* ==========================================
   19. ICON SELECTORS (GRID & SHAPE)
   ========================================== */
.icon-selector-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 3px;
    margin-top: 4px;
}

.icon-selector-btn {
    width: 35px;
    height: 35px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 4px;
    cursor: pointer;
    transition: border-color 0.15s, background 0.15s;
    padding: 0;
    outline: none;
    text-shadow: none;
}

.icon-selector-btn:hover { 
    border-color: var(--primary); 
    background: var(--light-bg); 
}

.icon-selector-btn.active { 
    border-color: var(--primary); 
    background: rgba(30, 182, 222, 0.1); 
}

.icon-selector-btn i {
    font-size: 15px;
    color: var(--text); 
}

.icon-selector-btn svg { 
    width: 24px; 
    height: 24px;
    color: var(--text); 
}

.icon-selector-btn.active svg { 
    color: var(--primary); 
}

/* ==========================================
   20. COLOR SWATCH GRID (MINIMALIST PALETTE)
   ========================================== */
.color-swatch-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(24px, 1fr));
    gap: 4px;
    padding: 4px;
}

.color-swatch {
    width: 100%;
    aspect-ratio: 1 / 1;
    border-radius: 4px;
    border: 1px solid var(--border);
    cursor: pointer;
    transition: transform 0.1s, border-color 0.1s;
    position: relative;
}

.color-swatch:hover {
    transform: scale(1.15);
    border-color: var(--primary);
    z-index: 2;
}

.color-swatch.selected-color {
    border: 2px solid var(--primary);
    transform: scale(1.1);
    box-shadow: 0 0 0 1px var(--card-bg);
}

.color-swatch .swatch-lock-indicator {
    position: absolute;
    top: -3px;
    right: -3px;
    width: 12px;
    height: 12px;
    background: var(--primary);
    border-radius: 50%;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 7px;
    color: #ffffff;
    pointer-events: none;
    z-index: 3;
}

.color-swatch.locked .swatch-lock-indicator {
    display: flex;
}

.color-swatch.isolated {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
    z-index: 3;
}

/* ==========================================
   PALETTE BUILDER CONTROLS
   ========================================== */
.palette-builder-controls {
    margin-top: 6px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.palette-builder-row {
    display: flex;
    gap: 4px;
    align-items: center;
}

/* ==========================================
   VIEW MODE TOGGLE (SLIDER VS TOGGLE)
   ========================================== */
.view-mode-toggle {
    position: absolute;
    bottom: 60px;
    right: 15px;
    display: flex;
    background: rgba(0, 0, 0, 0.75);
    border-radius: 4px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 35;
    opacity: 0;
    transition: opacity 0.2s;
    pointer-events: none;
}

.comparison-container:hover .view-mode-toggle {
    opacity: 1;
    pointer-events: auto;
}

.view-mode-btn {
    background: transparent;
    color: #ffffff;
    border: none;
    padding: 6px 12px;
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: background 0.15s, color 0.15s;
    text-shadow: none !important;
    box-shadow: none !important;
    transform: none !important;
    filter: none !important;
    backdrop-filter: none !important;
    font-family: inherit;
    outline: none;
}

.view-mode-btn:hover {
    background: rgba(255, 255, 255, 0.15);
    border: none;
    text-shadow: none;
    color: #ffffff;
}

.view-mode-btn i { 
    font-size: 12px; 
}

/* ==========================================
   FULLSCREEN SCROLLBAR FIX
   ========================================== */
body.tool-is-fullscreen,
html.tool-is-fullscreen {
    overflow: hidden !important;
    margin: 0 !important;
    padding: 0 !important;
}

/* ==========================================
   CANVAS EDITING TOOLBAR
   ========================================== */
.canvas-toolbar {
    position: absolute;
    top: 50%;
    left: 15px;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    z-index: 100;
    background: rgba(0, 0, 0, 0.85);
    padding: 6px 4px;
    border-radius: 4px;
    opacity: 0;
    transition: opacity 0.2s;
    pointer-events: none;
}

.comparison-container:hover .canvas-toolbar {
    opacity: 1;
    pointer-events: auto;
}

.canvas-tool-btn {
    background: transparent;
    color: #ffffff;
    font-size: 14px;
    padding: 6px;
    border-radius: 4px;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s, color 0.15s;
    width: 32px;
    height: 32px;
    text-shadow: none !important;
    box-shadow: none !important;
    pointer-events: auto;
    margin: 0 1px;
}

.canvas-tool-btn i.ci { 
    font-size: 18px; 
}

.canvas-tool-btn svg { 
    width: 16px; 
    height: 16px; 
    display: block; 
    flex-shrink: 0; 
}

.canvas-tool-btn:first-child { 
    margin-left: 0; 
}

.canvas-tool-btn:last-child { 
    margin-right: 0; 
}

.canvas-tool-btn:hover {
    color: #ffffff;
    border: 1px solid transparent;
    background: rgba(255, 255, 255, 0.15);
    text-shadow: none;
}

.canvas-tool-btn.active { 
    background: var(--primary); 
    color: #ffffff; 
}

.canvas-tool-btn:disabled { 
    opacity: 0.3; 
    cursor: not-allowed; 
}

.canvas-tool-divider { 
    width: 20px; 
    height: 1px; 
    background: rgba(255, 255, 255, 0.2); 
    margin: 4px 0; 
}

/* Cursors for tools */
.comparison-container.tool-paint, 
.comparison-container.tool-paint.zoomed { 
    cursor: crosshair !important; 
}

.comparison-container.tool-eraser, 
.comparison-container.tool-eraser.zoomed { 
    cursor: crosshair !important; 
}

.comparison-container.tool-eyedropper, 
.comparison-container.tool-eyedropper.zoomed { 
    cursor: crosshair !important; 
}

.comparison-container.tool-fill, 
.comparison-container.tool-fill.zoomed { 
    cursor: crosshair !important; 
}

.comparison-container.tool-line, 
.comparison-container.tool-line.zoomed { 
    cursor: crosshair !important; 
}

.comparison-container.tool-replace, 
.comparison-container.tool-replace.zoomed { 
    cursor: crosshair !important; 
}

.comparison-container.tool-clone, 
.comparison-container.tool-clone.zoomed { 
    cursor: crosshair !important; 
}

.comparison-container.tool-select, 
.comparison-container.tool-select.zoomed,
.comparison-container.tool-move, 
.comparison-container.tool-move.zoomed { 
    cursor: crosshair !important; 
}

.comparison-container.tool-pan { 
    cursor: grab; 
}

.comparison-container.tool-pan:active { 
    cursor: grabbing; 
}

.comparison-container.line-waiting {
    cursor: crosshair !important;
}

/* ==========================================
   CUSTOM SVG CURSORS FOR PAINT TOOLS
   ========================================== */
#QuantizedCanvas { 
    pointer-events: auto !important; 
}

.comparison-container.tool-paint #QuantizedCanvas,
.comparison-container.tool-paint.zoomed #QuantizedCanvas {
    cursor: url("data:image/svg+xml;utf8,<svg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'><path fill='%23000000' d='M21.7,3.1c-1-1.1-3.1-1.1-4.1,0l-8,8.3C8.9,11.3,8,11.3,7,11.6c-1.5,0.5-2.8,1.8-3.2,3.3c-0.1,0.4-0.4,1.5,0,2.7C3.9,18,4,18.2,4.1,18.4c0.1,0.2,0.2,0.3,0.2,0.5c0.1,0.4-0.1,0.6-0.5,1.2H2.3c-0.4,0-0.8,0.5-0.8,1s0.3,0.8,0.8,0.8h1.8h3.6h1.7c0.7,0,1.4-0.2,2-0.7c1.8-1.4,2.7-3.4,2.4-5.4l8-8.3C22.8,6.1,22.7,4.3,21.7,3.1zM10.5,19.7c-0.3,0.2-0.7,0.4-1.1,0.4H7.6H5.5c0.2-0.5,0.3-0.9,0.3-1.4c-0.1-0.4-0.2-0.7-0.3-1c-0.1-0.1-0.1-0.3-0.2-0.5c-0.3-0.7-0.1-1.4,0-1.8c0.3-1.1,1.2-2,2.2-2.3s1.9-0.3,2.8,0.1c1.3,0.5,1.8,1.7,2,2.6C12.5,17.2,11.8,18.6,10.5,19.7zM20.6,6.3L13.2,14c-0.5-0.9-1.2-1.6-2-2.1l7.5-7.8c0.5-0.5,1.5-0.5,2,0C21.1,4.7,21.1,5.7,20.6,6.3z'/></svg>") 12 25, auto !important;
}

.comparison-container.tool-eraser #QuantizedCanvas,
.comparison-container.tool-eraser.zoomed #QuantizedCanvas {
    cursor: url("data:image/svg+xml;utf8,<svg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'><path fill='%23000000' d='M21.6,8.6l-6.4-6.4c-0.7-0.7-2-0.7-2.7,0L2.4,12.4c-0.7,0.7-0.7,2,0,2.7l6.4,6.4c0.7,0.7,2,0.7,2.7,0l10.1-10.2C22.3,10.6,22.3,9.3,21.6,8.6zM15,14.9l-4.2,4.2c-0.4,0.4-1,0.4-1.4,0l-4.6-4.6c-0.4-0.4-0.4-1,0-1.4L9,8.9c0.2-0.2,0.5-0.2,0.7,0l5.3,5.3C15.2,14.4,15.2,14.7,15,14.9z'/></svg>") 5 22, auto !important;
}

.comparison-container.tool-eyedropper #QuantizedCanvas,
.comparison-container.tool-eyedropper.zoomed #QuantizedCanvas {
    cursor: url("data:image/svg+xml;utf8,<svg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'><path fill='%23000000' d='M12.5,13.4l1.4,1.3l-5,4.9l-3.2,0.5l-1,1c-0.8,0.8-1.7,1-2.2,0.6l-0.2-0.2c-0.5-0.4-0.2-1.4,0.6-2.2l1-1l0.5-3.2l4.9-4.9l1.5,1.5l-4.5,4.4c-0.4,0.3-0.4,0.9,0,1.2l0.4,0.4c0.3,0.3,0.9,0.3,1.2,0L12.5,13.4zM16.8,11.3c-0.1,0.1-0.2,0.2-0.3,0.2l0.7,0.7c0.4,0.4,0.4,1,0,1.4l-0.6,0.6l-7-6.9l0.6-0.6c0.4-0.4,1-0.4,1.4,0l0.8,0.8c0.1-0.1,0.1-0.2,0.2-0.3l4.4-4.5c0.8-0.8,2.2-0.8,3,0l1.1,1.1c0.4,0.4,0.6,1,0.6,1.5c0,0.6-0.4,1.2-0.8,1.6L16.8,11.3zM20.3,6.1c0.2-0.2,0.3-0.4,0.3-0.7s-0.1-0.5-0.3-0.7l-1.1-1.1c-0.4-0.4-1-0.4-1.3,0L13.5,8c-0.1,0.1-0.2,0.2-0.2,0.3l2.3,2.3c0.1,0,0.2-0.1,0.3-0.2L20.3,6.1z'/></svg>") 3 29, auto !important;
}

.comparison-container.tool-pan #QuantizedCanvas { 
    cursor: grab !important; 
}

.comparison-container.tool-pan:active #QuantizedCanvas { 
    cursor: grabbing !important; 
}

/* ==========================================
   MINIMAP NAVIGATOR
   ========================================== */
.minimap-canvas {
    position: absolute;
    top: 45px; /* Pushed down to sit neatly below the comparison labels */
    right: 10px;
    width: 120px;
    height: 90px;
    background: rgba(0, 0, 0, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    z-index: 36;
    pointer-events: auto;
    cursor: pointer;
    display: none;
    object-fit: contain;
}

.comparison-container:hover .minimap-canvas {
    display: block;
}

/* ==========================================
   SWATCH CONTEXT MENU
   ========================================== */
.swatch-context-menu {
    position: fixed;
    z-index: 10002;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 4px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    padding: 4px 0;
    min-width: 150px;
}

.swatch-context-menu button {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 6px 12px;
    background: transparent;
    border: none;
    color: var(--text);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    text-align: left;
    font-family: inherit;
    transition: background 0.15s, color 0.15s;
    text-shadow: none !important;
    box-shadow: none !important;
}

.swatch-context-menu button:hover {
    background: var(--light-bg);
    color: var(--primary);
    border: none;
}

.swatch-context-menu button i {
    width: 14px;
    text-align: center;
    font-size: 12px;
}

/* ==========================================
   SHORTCUTS MODAL
   ========================================== */
.shortcuts-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 10001;
    display: flex;
    align-items: center;
    justify-content: center;
}

.shortcuts-modal {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    width: 320px;
    max-width: 90vw;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.shortcuts-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    border-bottom: 1px solid var(--border);
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
}

.shortcuts-close-btn {
    background: transparent;
    border: none;
    color: var(--text-light);
    font-size: 16px;
    cursor: pointer;
    padding: 2px 4px;
    border-radius: 4px;
    transition: color 0.15s, background 0.15s;
    text-shadow: none !important;
    box-shadow: none !important;
}

.shortcuts-close-btn:hover {
    color: var(--danger);
    background: rgba(229, 62, 62, 0.1);
    border: none;
    text-shadow: none;
}

.shortcuts-modal-body {
    padding: 10px 14px;
}

.shortcut-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 5px 0;
    border-bottom: 1px solid var(--border);
    font-size: 12px;
    color: var(--text);
}

.shortcut-row:last-child {
    border-bottom: none;
}

.shortcut-key {
    background: var(--light-bg);
    border: 1px solid var(--border);
    border-radius: 3px;
    padding: 2px 8px;
    font-family: monospace;
    font-size: 11px;
    font-weight: 600;
    color: var(--text);
    min-width: 60px;
    text-align: center;
}


/* ==========================================
   AI BACKGROUND REMOVER
   ========================================== */
.bg-remover-status {
    background: var(--light-bg);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 10px;
    margin-bottom: 8px;
    text-align: center;
}

.bg-remover-status-icon {
    font-size: 20px;
    color: var(--primary);
    margin-bottom: 6px;
}

.bg-remover-status-text {
    font-size: 11px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 8px;
    min-height: 14px;
}

.bg-remover-progress-bar {
    width: 100%;
    height: 6px;
    background: var(--border);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 4px;
}

.bg-remover-progress-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--primary), var(--primary-dark));
    border-radius: 3px;
    transition: width 0.3s ease;
}

.bg-remover-progress-percent {
    font-size: 10px;
    color: var(--text-light);
    font-family: monospace;
}

#RemoveBgBtn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

#RemoveBgBtn:disabled:hover {
    background: var(--primary);
    color: #ffffff;
    border: 1px solid var(--primary);
}



/* ==========================================
   GROUPED TOOL FLYOUT MENU
   ========================================== */
.canvas-tool-group {
    position: relative;
    display: flex;
    align-items: center;
}

.canvas-tool-flyout {
    position: absolute;
    top: 0;
    left: 100%;
    transform: none;
    background: rgba(0, 0, 0, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 4px;
    padding: 4px;
    display: none;
    flex-direction: column;
    gap: 2px;
    z-index: 110;
    margin-left: 6px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

.canvas-tool-flyout.open {
    display: flex;
}

.canvas-flyout-btn {
    background: transparent;
    color: #ffffff;
    border: none;
    width: 32px;
    height: 32px;
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    transition: background 0.15s, color 0.15s;
    text-shadow: none !important;
    box-shadow: none !important;
    transform: none !important;
    filter: none !important;
}

.canvas-flyout-btn:hover {
    color: #ffffff;
    border: 1px solid transparent;
    background: rgba(255, 255, 255, 0.15);
    text-shadow: none;
}

.canvas-flyout-btn.active {
    background: var(--primary);
}

.canvas-flyout-btn svg {
    width: 16px !important;
    height: 16px !important;
    display: block;
    flex-shrink: 0;
}

.canvas-flyout-btn i {
    font-size: 18px !important;
    display: block;
    flex-shrink: 0;
}



/* ==========================================
   BRUSH SIZE PREVIEW OVERLAY
   ========================================== */
.brush-preview-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 12; /* Below selection overlay (15) but above highlights (10) */
}



/* ==========================================
   DROPDOWN CATEGORY HEADERS
   ========================================== */
.custom-dropdown-category {
    padding: 8px 10px 4px;
    font-size: 10px;
    font-weight: 700;
    color: rgba(143,143,143,1);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: rgba(143,143,143,.15);
    border-bottom: 1px solid var(--border);
/*    border-top: 1px solid var(--border);*/
    pointer-events: none;
    user-select: none;
    margin-top: 5px;
}

.custom-dropdown-category:first-child {
    margin-top: 0;
    border-top: none;
}



/* ==========================================
   DROPDOWN CATEGORY HEADERS & PALETTE SWATCHES
   ========================================== */
.custom-dropdown-category {
    padding: 8px 10px 4px;
    font-size: 10px;
    font-weight: 700;
    color: rgba(143,143,143,1);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: rgba(143,143,143,.15);
    border-bottom: 1px solid var(--border);
    pointer-events: none;
    user-select: none;
    margin-top: 5px;
}

.custom-dropdown-category:first-child {
    margin-top: 0;
    border-top: none;
}

/* Flex layout to push swatches to the right */
.custom-dropdown-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.palette-item-label {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.palette-item-colors {
    display: flex;
    gap: 0px;
    flex-shrink: 0;
}

.palette-item-colors i {
    width: 12px;
    height: 12px;
    
    border: 1px solid rgba(0, 0, 0, 0.1);
    display: block;
}




/* Prevent FloatingPicker from overriding the OpenPickerBtn background */
#OpenPickerBtn {
    background: var(--light-bg) !important;
    color: var(--text) !important;
    border: 1px solid var(--border) !important;
}

#OpenPickerBtn:hover,
#OpenPickerBtn:active,
#OpenPickerBtn:focus {
    background: var(--card-bg) !important;
    color: var(--primary) !important;
    border: 1px solid var(--primary) !important;
    text-shadow: none !important;
}



/* ==========================================
   NEW PROJECT MODAL — BOX-SIZING FIX
   ========================================== */
#NewProjectModal *,
#NewProjectModal *::before,
#NewProjectModal *::after {
    box-sizing: border-box;
}





/* ==========================================
   21. RESPONSIVE
   ========================================== */
/* ==========================================
   MOBILE: Hide Title & Subtitle
   ========================================== */
@media (max-width: 768px) {
    .tool-title,
    .tool-subtitle {
        display: none;
    }
}
   
@media (max-height: 800px) {
    .container-custom { 
        margin: 10px auto; 
        max-height: calc(100vh - 20px); 
        border-radius: 6px; 
    }
    .tool-header { 
        padding: 6px 12px; 
    }
    .panel-section-content { 
        padding: 4px; 
    }
}

@media (max-width: 900px) {
    .container-custom { 
        max-height: none; 
        height: auto; 
        overflow: visible; 
    }
    .tool-workspace { 
        grid-template-columns: 1fr; 
        overflow: visible; 
        height: auto; 
    }
    .left-panel, 
    .right-panel { 
        border: none; 
        border-bottom: 1px solid var(--border); 
        overflow-y: visible; 
        height: auto; 
    }
    .middle-panel { 
        padding: 10px; 
        overflow: visible; 
        align-items: center; 
    }
    .drop-zone { 
        min-height: 300px; 
    }
    .comparison-container { 
        max-height: 60vh; 
        height: 60vh; 
        min-height: 300px; 
        margin: 0; 
    }
    .container-custom.is-fullscreen .comparison-container { 
        max-height: calc(100vh - 80px); 
        height: calc(100vh - 80px); 
    }
}