/**
 * WAZA TOOLS - Image Mosaic & Blur Tool Styles
 */

/* ======================================== */
/* Layout: Editor Container                 */
/* ======================================== */
.mosaic-editor {
    display: flex;
    min-height: 600px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    overflow: hidden;
    background: var(--color-bg-primary);
    position: relative;
}

/* ======================================== */
/* Side Panel                               */
/* ======================================== */
.mosaic-panel {
    width: 220px;
    min-width: 220px;
    background: var(--color-bg-primary);
    border-right: 1px solid var(--color-border);
    overflow-y: auto;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    transition: width 0.2s ease, min-width 0.2s ease;
    position: relative;
    z-index: 10;
}

.mosaic-panel.collapsed {
    width: 48px;
    min-width: 48px;
}

.mosaic-panel-section {
    padding: 10px 12px;
    border-bottom: 1px solid var(--color-border);
}

.mosaic-panel.collapsed .mosaic-panel-section {
    padding: 8px 6px;
}

.mosaic-panel-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 8px;
    display: block;
}

.mosaic-panel.collapsed .mosaic-panel-label {
    display: none;
}

/* ======================================== */
/* Panel Toggle Button                      */
/* ======================================== */
.mosaic-panel-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px;
    border: none;
    background: none;
    cursor: pointer;
    color: var(--color-text-secondary);
    border-top: 1px solid var(--color-border);
    margin-top: auto;
    transition: color 0.15s;
}

.mosaic-panel-toggle:hover {
    color: var(--color-text-primary);
    background: var(--color-bg-secondary);
}

.mosaic-panel-toggle svg {
    transition: transform 0.2s;
}

.mosaic-panel.collapsed .mosaic-panel-toggle svg {
    transform: rotate(180deg);
}

/* ======================================== */
/* Mode Buttons (Selection / Effect)        */
/* ======================================== */
.mosaic-mode-group {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.mosaic-mode-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 8px;
    border: none;
    background: none;
    cursor: pointer;
    border-radius: 4px;
    font-size: 13px;
    color: var(--color-text-primary);
    transition: background 0.15s, color 0.15s;
    white-space: nowrap;
    width: 100%;
    text-align: left;
}

.mosaic-mode-btn:hover {
    background: var(--color-bg-secondary);
}

.mosaic-mode-btn.active {
    background: var(--color-primary);
    color: #fff;
}

.mosaic-mode-btn svg {
    flex-shrink: 0;
}

.mosaic-mode-btn .mode-label {
    overflow: hidden;
    text-overflow: ellipsis;
}

.mosaic-panel.collapsed .mosaic-mode-btn {
    justify-content: center;
    padding: 8px;
}

.mosaic-panel.collapsed .mosaic-mode-btn .mode-label {
    display: none;
}

/* Selection operation row (New / Add / Subtract) */
.mosaic-op-group {
    display: flex;
    gap: 2px;
}

.mosaic-op-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 5px 4px;
    border: 1px solid var(--color-border);
    background: var(--color-bg-primary);
    cursor: pointer;
    border-radius: 4px;
    font-size: 12px;
    color: var(--color-text-primary);
    transition: all 0.15s;
}

.mosaic-op-btn:hover {
    background: var(--color-bg-secondary);
}

.mosaic-op-btn.active {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

.mosaic-panel.collapsed .mosaic-op-btn .op-label {
    display: none;
}

.mosaic-panel.collapsed .mosaic-op-group {
    flex-direction: column;
}

/* ======================================== */
/* Invert Toggle                            */
/* ======================================== */
.mosaic-invert-toggle {
    display: flex;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    overflow: hidden;
}

.mosaic-invert-btn {
    flex: 1;
    padding: 5px 8px;
    border: none;
    background: var(--color-bg-primary);
    cursor: pointer;
    font-size: 12px;
    color: var(--color-text-primary);
    transition: all 0.15s;
    text-align: center;
}

.mosaic-invert-btn.active {
    background: var(--color-primary);
    color: #fff;
}

.mosaic-panel.collapsed .mosaic-invert-toggle {
    flex-direction: column;
}

.mosaic-panel.collapsed .mosaic-invert-btn .invert-label {
    display: none;
}

/* ======================================== */
/* Sliders                                  */
/* ======================================== */
.mosaic-slider-row {
    margin-bottom: 10px;
}

.mosaic-slider-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 4px;
}

.mosaic-slider-label {
    font-size: 12px;
    color: var(--color-text-secondary);
}

.mosaic-slider-value {
    font-size: 12px;
    font-weight: 600;
    color: var(--color-text-primary);
    min-width: 32px;
    text-align: right;
}

.mosaic-slider {
    width: 100%;
    height: 4px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--color-border);
    border-radius: 2px;
    outline: none;
    cursor: pointer;
}

.mosaic-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--color-primary);
    cursor: pointer;
    border: 2px solid #fff;
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

.mosaic-slider::-moz-range-thumb {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--color-primary);
    cursor: pointer;
    border: 2px solid #fff;
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

.mosaic-panel.collapsed .mosaic-slider-row {
    display: none;
}

/* ======================================== */
/* Pattern Grid                             */
/* ======================================== */
.mosaic-pattern-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 3px;
}

.mosaic-pattern-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    aspect-ratio: 1;
    border: 1px solid var(--color-border);
    background: var(--color-bg-primary);
    cursor: pointer;
    border-radius: 4px;
    font-size: 14px;
    color: var(--color-text-primary);
    transition: all 0.15s;
    position: relative;
}

.mosaic-pattern-btn:hover {
    background: var(--color-bg-secondary);
    border-color: var(--color-primary);
}

.mosaic-pattern-btn.active {
    border-color: var(--color-primary);
    background: rgba(var(--color-primary-rgb, 59, 130, 246), 0.1);
    box-shadow: 0 0 0 1px var(--color-primary);
}

.mosaic-pattern-name {
    font-size: 11px;
    color: var(--color-text-secondary);
    margin-top: 4px;
    text-align: center;
}

.mosaic-panel.collapsed .mosaic-pattern-grid,
.mosaic-panel.collapsed .mosaic-pattern-name {
    display: none;
}

/* ======================================== */
/* Color Picker                             */
/* ======================================== */
.mosaic-color-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

.mosaic-color-swatch {
    width: 28px;
    height: 28px;
    border-radius: 4px;
    border: 1px solid var(--color-border);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.mosaic-color-swatch input[type="color"] {
    position: absolute;
    inset: -4px;
    width: calc(100% + 8px);
    height: calc(100% + 8px);
    border: none;
    cursor: pointer;
    opacity: 0;
}

.mosaic-color-none-btn {
    padding: 4px 8px;
    border: 1px solid var(--color-border);
    background: var(--color-bg-primary);
    cursor: pointer;
    border-radius: 4px;
    font-size: 11px;
    color: var(--color-text-secondary);
    transition: all 0.15s;
}

.mosaic-color-none-btn:hover {
    background: var(--color-bg-secondary);
}

.mosaic-color-none-btn.active {
    background: var(--color-bg-secondary);
    border-color: var(--color-primary);
}

.mosaic-panel.collapsed .mosaic-color-row {
    display: none;
}

/* ======================================== */
/* Presets                                  */
/* ======================================== */
.mosaic-preset-list {
    max-height: 120px;
    overflow-y: auto;
}

.mosaic-preset-item {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 4px 0;
    font-size: 12px;
    border-bottom: 1px solid var(--color-border);
}

.mosaic-preset-item:last-child {
    border-bottom: none;
}

.mosaic-preset-name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--color-text-primary);
}

.mosaic-preset-btn {
    padding: 2px 6px;
    border: none;
    background: none;
    cursor: pointer;
    color: var(--color-text-secondary);
    border-radius: 3px;
    font-size: 11px;
    transition: all 0.15s;
}

.mosaic-preset-btn:hover {
    background: var(--color-bg-secondary);
    color: var(--color-text-primary);
}

.mosaic-preset-btn.delete:hover {
    color: var(--color-error);
}

.mosaic-preset-actions {
    display: flex;
    gap: 4px;
    margin-top: 8px;
}

.mosaic-preset-action-btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3px;
    padding: 8px 4px;
    border: 1px solid var(--color-border);
    background: var(--color-bg-primary);
    cursor: pointer;
    border-radius: 4px;
    font-size: 10px;
    color: var(--color-text-secondary);
    text-align: center;
    transition: all 0.15s;
    line-height: 1.2;
}

.mosaic-preset-action-btn:hover {
    background: var(--color-bg-secondary);
    color: var(--color-text-primary);
}

.mosaic-panel.collapsed .mosaic-preset-list,
.mosaic-panel.collapsed .mosaic-preset-actions {
    display: none;
}

/* ======================================== */
/* Floating Panel (collapsed state)         */
/* ======================================== */
.mosaic-floating-panel {
    display: none;
    position: absolute;
    left: 56px;
    top: 50%;
    transform: translateY(-50%);
    width: 220px;
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.12);
    z-index: 20;
    padding: 12px;
    max-height: 80vh;
    overflow-y: auto;
}

.mosaic-panel.collapsed .mosaic-floating-trigger:hover + .mosaic-floating-panel,
.mosaic-floating-panel:hover {
    display: block;
}

.mosaic-floating-panel.visible {
    display: block;
}

/* ======================================== */
/* Main Canvas Area                         */
/* ======================================== */
.mosaic-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    position: relative;
}

/* Top Toolbar */
.mosaic-toolbar {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 6px 10px;
    border-bottom: 1px solid var(--color-border);
    background: var(--color-bg-primary);
    flex-wrap: wrap;
}

.mosaic-toolbar-group {
    display: flex;
    align-items: center;
    gap: 2px;
}

.mosaic-toolbar-sep {
    width: 1px;
    height: 20px;
    background: var(--color-border);
    margin: 0 4px;
}

.mosaic-toolbar-spacer {
    flex: 1;
}

.mosaic-tb-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 5px 7px;
    border: 1px solid transparent;
    background: none;
    cursor: pointer;
    border-radius: 4px;
    color: var(--color-text-secondary);
    font-size: 12px;
    gap: 4px;
    transition: all 0.15s;
    white-space: nowrap;
}

.mosaic-tb-btn:hover {
    background: var(--color-bg-secondary);
    color: var(--color-text-primary);
}

.mosaic-tb-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.mosaic-tb-btn svg {
    flex-shrink: 0;
}

.mosaic-tb-btn.active {
    background: var(--color-primary);
    color: #fff;
}

.mosaic-zoom-label {
    font-size: 12px;
    color: var(--color-text-secondary);
    min-width: 36px;
    text-align: center;
    font-variant-numeric: tabular-nums;
}

/* ======================================== */
/* Canvas Container                         */
/* ======================================== */
.mosaic-canvas-wrap {
    flex: 1;
    position: relative;
    overflow: hidden;
    background: #f5f5f5;
    cursor: crosshair;
    /* Checkerboard for transparency */
    background-image:
        linear-gradient(45deg, #e0e0e0 25%, transparent 25%),
        linear-gradient(-45deg, #e0e0e0 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, #e0e0e0 75%),
        linear-gradient(-45deg, transparent 75%, #e0e0e0 75%);
    background-size: 16px 16px;
    background-position: 0 0, 0 8px, 8px -8px, -8px 0;
}

html.dark .mosaic-canvas-wrap {
    background-color: #1a1a1a;
    background-image:
        linear-gradient(45deg, #252525 25%, transparent 25%),
        linear-gradient(-45deg, #252525 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, #252525 75%),
        linear-gradient(-45deg, transparent 75%, #252525 75%);
}

.mosaic-canvas-wrap canvas {
    position: absolute;
    top: 0;
    left: 0;
    transform-origin: 0 0;
}

/* Drop Zone Overlay */
.mosaic-drop-zone {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 5;
    padding: 20px;
    background: var(--color-bg-secondary);
    cursor: pointer;
}

.mosaic-drop-zone .mosaic-drop-zone-inner {
    max-width: 420px;
    width: 100%;
}

.mosaic-drop-zone.drag-active .tool-file-drop {
    border-color: var(--color-primary);
    background: var(--color-primary-bg);
}

.mosaic-drop-zone.hidden {
    display: none;
}

.mosaic-drop-paste {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
    padding: 8px 14px;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    background: var(--color-bg-secondary);
}

.mosaic-drop-paste kbd {
    padding: 2px 6px;
    border: 1px solid var(--color-border);
    border-radius: 3px;
    background: var(--color-bg-primary);
    font-size: 0.75rem;
    font-family: inherit;
    font-weight: 600;
}

html.dark .mosaic-drop-zone {
    background: var(--color-bg-primary);
}

/* Guide text overlay */
.mosaic-guide {
    position: absolute;
    bottom: 8px;
    left: 50%;
    transform: translateX(-50%);
    padding: 4px 12px;
    background: rgba(0,0,0,0.7);
    color: #fff;
    font-size: 12px;
    border-radius: 4px;
    z-index: 6;
    pointer-events: none;
    white-space: nowrap;
    opacity: 0;
    transition: opacity 0.2s;
}

.mosaic-guide.visible {
    opacity: 1;
}

/* ======================================== */
/* Bottom Output Bar                        */
/* ======================================== */
.mosaic-output-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-top: 1px solid var(--color-border);
    background: var(--color-bg-primary);
    flex-wrap: wrap;
}

.mosaic-output-bar select {
    padding: 5px 8px;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    background: var(--color-bg-primary);
    font-size: 12px;
    color: var(--color-text-primary);
    cursor: pointer;
}

.mosaic-quality-wrap {
    display: flex;
    align-items: center;
    gap: 6px;
}

.mosaic-quality-wrap label {
    font-size: 12px;
    color: var(--color-text-secondary);
    white-space: nowrap;
}

.mosaic-quality-wrap input[type="range"] {
    width: 80px;
    height: 4px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--color-border);
    border-radius: 2px;
    outline: none;
}

.mosaic-quality-wrap input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-primary);
    cursor: pointer;
}

.mosaic-quality-value {
    font-size: 12px;
    min-width: 28px;
    text-align: right;
    font-variant-numeric: tabular-nums;
}

.mosaic-output-spacer {
    flex: 1;
}

.mosaic-output-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border: 1px solid var(--color-border);
    background: var(--color-bg-primary);
    cursor: pointer;
    border-radius: 6px;
    font-size: 13px;
    color: var(--color-text-primary);
    transition: all 0.15s;
    white-space: nowrap;
}

.mosaic-output-btn:hover {
    background: var(--color-bg-secondary);
    border-color: var(--color-primary);
}

.mosaic-output-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.mosaic-output-btn.primary {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

.mosaic-output-btn.primary:hover {
    opacity: 0.9;
}

.mosaic-output-btn.copied,
.mosaic-output-btn.copied:hover {
    background: #10b981;
    border-color: #10b981;
    color: #fff;
}

.mosaic-output-btn.copied svg {
    display: none;
}

.mosaic-output-btn.copied span::before {
    content: "";
    display: inline-block;
    width: 14px;
    height: 14px;
    margin-right: 4px;
    vertical-align: -2px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E");
    background-size: contain;
    background-repeat: no-repeat;
}

/* ======================================== */
/* Shortcuts Overlay                        */
/* ======================================== */
.mosaic-shortcuts-overlay {
    display: none;
    position: absolute;
    inset: 0;
    z-index: 30;
    background: rgba(0, 0, 0, 0.4);
    align-items: center;
    justify-content: center;
    padding: 20px;
    overflow-y: auto;
}

.mosaic-shortcuts-overlay.visible {
    display: flex;
}

.mosaic-shortcuts-panel {
    max-width: 600px;
    width: 100%;
    padding: 16px 20px;
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
}

html.dark .mosaic-shortcuts-panel {
    background: rgba(30, 41, 59, 0.95);
}

.mosaic-shortcuts-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 14px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--color-border);
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-primary);
}

.mosaic-shortcuts-close {
    margin-left: auto;
    border: none;
    background: none;
    cursor: pointer;
    font-size: 20px;
    color: var(--color-text-secondary);
    padding: 0 4px;
    line-height: 1;
    border-radius: 4px;
    transition: all 0.15s;
}

.mosaic-shortcuts-close:hover {
    color: var(--color-text-primary);
    background: var(--color-bg-secondary);
}

.mosaic-shortcuts-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 6px 24px;
}

.mosaic-sc-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 5px 0;
    font-size: 13px;
    color: var(--color-text-secondary);
}

.mosaic-sc-item kbd {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 26px;
    padding: 2px 6px;
    font-size: 11px;
    font-family: inherit;
    font-weight: 600;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    box-shadow: 0 1px 0 var(--color-border);
    color: var(--color-text-primary);
    white-space: nowrap;
}

.mosaic-sc-item > span {
    flex: 1;
    font-size: 12px;
    color: var(--color-text-secondary);
    margin-left: 4px;
}


/* ======================================== */
/* Toast Messages                           */
/* ======================================== */
.mosaic-toast {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    padding: 10px 20px;
    border-radius: 6px;
    font-size: 13px;
    color: #fff;
    z-index: 9999;
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none;
}

.mosaic-toast.visible {
    opacity: 1;
}

.mosaic-toast.success {
    background: var(--color-success);
}

.mosaic-toast.error {
    background: var(--color-error);
}

.mosaic-toast.warning {
    background: #f59e0b;
}

/* ======================================== */
/* Disabled State (no image loaded)         */
/* ======================================== */
.mosaic-panel.disabled .mosaic-panel-section:not(.always-active) {
    opacity: 0.4;
    pointer-events: none;
}

.mosaic-toolbar.disabled .mosaic-tb-btn:not(.always-active) {
    opacity: 0.4;
    pointer-events: none;
}

/* ======================================== */
/* Dark Mode                                */
/* ======================================== */
html.dark .mosaic-editor {
    border-color: var(--color-border);
}

html.dark .mosaic-panel {
    background: var(--color-bg-primary);
    border-right-color: var(--color-border);
}

html.dark .mosaic-floating-panel {
    background: var(--color-bg-primary);
    border-color: var(--color-border);
    box-shadow: 0 4px 16px rgba(0,0,0,0.3);
}

/* ======================================== */
/* Mobile Layout                            */
/* ======================================== */
@media (max-width: 768px) {
    .mosaic-editor {
        flex-direction: column;
        min-height: 500px;
    }

    .mosaic-panel {
        width: 100% !important;
        min-width: 100% !important;
        border-right: none;
        border-bottom: 1px solid var(--color-border);
        max-height: none;
        overflow: visible;
    }

    .mosaic-panel.collapsed {
        width: 100% !important;
        min-width: 100% !important;
    }

    /* Mobile: Show compact icon bar */
    .mosaic-mobile-bar {
        display: flex;
        align-items: center;
        gap: 2px;
        padding: 6px 8px;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .mosaic-mobile-bar .mosaic-mode-btn {
        padding: 8px;
        flex-direction: column;
        gap: 2px;
        font-size: 10px;
        min-width: 44px;
    }

    .mosaic-mobile-bar .mosaic-mode-btn .mode-label {
        display: block;
        font-size: 10px;
    }

    .mosaic-mobile-bar .mosaic-toolbar-sep {
        width: 1px;
        height: 32px;
        background: var(--color-border);
        margin: 0 4px;
        flex-shrink: 0;
    }

    /* Mobile details toggle */
    .mosaic-mobile-details {
        display: none;
        padding: 10px 12px;
        border-top: 1px solid var(--color-border);
    }

    .mosaic-mobile-details.open {
        display: block;
    }

    .mosaic-mobile-toggle-btn {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 4px;
        width: 100%;
        padding: 6px;
        border: none;
        background: var(--color-bg-secondary);
        cursor: pointer;
        font-size: 12px;
        color: var(--color-text-secondary);
        border-top: 1px solid var(--color-border);
    }

    /* Hide panel toggle on mobile */
    .mosaic-panel-toggle {
        display: none;
    }

    /* Hide desktop sections on mobile */
    .mosaic-panel > .mosaic-panel-section {
        display: none;
    }

    .mosaic-canvas-wrap {
        min-height: 300px;
    }

    .mosaic-toolbar {
        padding: 4px 6px;
    }

    .mosaic-tb-btn .tb-label {
        display: none;
    }

    /* Show labels on key action buttons for clarity */
    #btnApplyAll .tb-label,
    #btnCompare .tb-label,
    #btnChangeImage .tb-label {
        display: inline;
    }

    /* Hide shortcuts button on mobile (keyboard shortcuts are PC-only) */
    #btnShortcuts {
        display: none;
    }

    .mosaic-output-bar {
        flex-wrap: wrap;
        gap: 6px;
        padding: 8px 10px;
    }

    .mosaic-output-btn {
        flex: 1;
        justify-content: center;
        min-width: 120px;
    }

    /* Hide paste hint on mobile */
    .mosaic-drop-paste {
        display: none;
    }

    .mosaic-shortcuts-grid {
        grid-template-columns: 1fr;
    }

    .mosaic-floating-panel {
        display: none !important;
    }
}

/* Desktop: hide mobile elements */
@media (min-width: 769px) {
    .mosaic-mobile-bar,
    .mosaic-mobile-details,
    .mosaic-mobile-toggle-btn {
        display: none;
    }
}