/**
 * Z6K Page Builder Pro - Production-Grade Styles
 * Modern, responsive admin dashboard with smooth animations
 */

/* ==========================================================================
   Design Tokens
   ========================================================================== */

:root {
    /* Colors - Shopify-inspired */
    --color-primary: #5c6ac4;
    --color-primary-hover: #4959bd;
    --color-primary-light: #f4f5f7;
    --color-secondary: #47c1bf;
    --color-success: #50b83c;
    --color-warning: #f49342;
    --color-danger: #de3618;
    --color-info: #47c1bf;

    /* Neutrals */
    --color-bg: #f4f6f8;
    --color-surface: #ffffff;
    --color-border: #dfe3e8;
    --color-border-subtle: #f0f2f5;
    --color-text: #212b36;
    --color-text-muted: #637381;
    --color-text-subtle: #919eab;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.12);
    --shadow-focus: 0 0 0 3px rgba(92, 106, 196, 0.25);

    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;

    /* Radii */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.2s ease;
    --transition-slow: 0.3s ease;

    /* Layout */
    --topbar-height: 56px;
    --sidebar-width: 280px;
    --properties-width: 320px;
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    :root {
        --color-bg: #1a1a1a;
        --color-surface: #2a2a2a;
        --color-border: #3a3a3a;
        --color-border-subtle: #333;
        --color-text: #f0f0f0;
        --color-text-muted: #a0a0a0;
        --color-text-subtle: #707070;
    }
}

/* ==========================================================================
   Reset & Base
   ========================================================================== */

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

html,
body {
    margin: 0;
    padding: 0;
    height: 100%;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
}

/* ==========================================================================
   Layout
   ========================================================================== */

.admin-layout {
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
}

/* Topbar */
.topbar {
    height: var(--topbar-height);
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    padding: 0 var(--space-md);
    gap: var(--space-md);
    flex-shrink: 0;
    z-index: 100;
}

.topbar-brand {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 600;
    color: var(--color-primary);
    text-decoration: none;
}

.topbar-brand svg {
    width: 24px;
    height: 24px;
}

.topbar-title {
    flex: 1;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.page-title {
    font-size: 16px;
    font-weight: 600;
    margin: 0;
}

.draft-badge {
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 2px 8px;
    background: var(--color-warning);
    color: #fff;
    border-radius: var(--radius-sm);
}

/* Save Status */
.save-status {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--color-text-muted);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    background: var(--color-primary-light);
}

.save-status--saving {
    color: var(--color-info);
}

.save-status--saved {
    color: var(--color-success);
}

.save-status--unsaved {
    color: var(--color-warning);
}

.save-status--error {
    color: var(--color-danger);
}

/* Topbar Actions */
.topbar-actions {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

/* User Menu */
.user-menu {
    position: relative;
}

.user-avatar-btn {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--color-primary);
    color: #fff;
    border: none;
    cursor: pointer;
    font-weight: 600;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.user-avatar-btn:hover {
    transform: scale(1.05);
}

.user-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 200px;
    padding: var(--space-sm);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: var(--transition-fast);
    z-index: 1000;
}

.user-dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.user-dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    color: var(--color-text);
    text-decoration: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    border: none;
    background: none;
    width: 100%;
    font-size: 14px;
}

.user-dropdown-item:hover {
    background: var(--color-primary-light);
}

.user-dropdown-item.danger:hover {
    background: rgba(222, 54, 24, 0.1);
    color: var(--color-danger);
}

/* ==========================================================================
   Main Content Area
   ========================================================================== */

.main-content {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: var(--color-surface);
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    overflow: hidden;
}

.sidebar-header {
    padding: var(--space-md);
    border-bottom: 1px solid var(--color-border);
}

.sidebar-title {
    font-weight: 600;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-text-muted);
    margin: 0 0 var(--space-sm);
}

/* Block Search */
.block-search {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.block-search i {
    color: var(--color-text-subtle);
}

.block-search input {
    flex: 1;
    border: none;
    background: none;
    outline: none;
    font-size: 14px;
    color: var(--color-text);
}

.block-search input::placeholder {
    color: var(--color-text-subtle);
}

/* Block Palette */
.block-palette {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-md);
}

.palette-group {
    margin-bottom: var(--space-lg);
}

.palette-group-title {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-text-subtle);
    margin: 0 0 var(--space-sm);
}

.palette-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-sm);
}

.palette-block {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    padding: var(--space-md);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: grab;
    transition: var(--transition-fast);
    user-select: none;
}

.palette-block:hover {
    background: var(--color-primary-light);
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

.palette-block:active {
    cursor: grabbing;
    transform: scale(0.98);
}

.palette-block.dragging {
    opacity: 0.5;
}

.palette-block i {
    font-size: 20px;
    color: var(--color-primary);
}

.palette-block span {
    font-size: 11px;
    font-weight: 500;
    color: var(--color-text-muted);
}

/* ==========================================================================
   Canvas Area
   ========================================================================== */

.canvas-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: var(--color-bg);
}

/* Canvas Toolbar */
.canvas-toolbar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-lg);
    padding: var(--space-sm) var(--space-md);
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
}

.toolbar-group {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.toolbar-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    color: var(--color-text-muted);
    cursor: pointer;
    transition: var(--transition-fast);
}

.toolbar-btn:hover:not(:disabled) {
    background: var(--color-primary-light);
    color: var(--color-primary);
    border-color: var(--color-primary);
}

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

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

.viewport-btn {
    padding: 0 var(--space-sm);
    width: auto;
    gap: var(--space-xs);
}

.viewport-btn span {
    font-size: 12px;
}

.zoom-level {
    font-size: 12px;
    font-weight: 500;
    min-width: 40px;
    text-align: center;
}

.toolbar-divider {
    width: 1px;
    height: 24px;
    background: var(--color-border);
    margin: 0 var(--space-sm);
}

/* Canvas Frame */
.canvas-frame-wrapper {
    flex: 1;
    display: flex;
    justify-content: center;
    overflow: auto;
    padding: var(--space-xl);
}

.canvas-frame {
    width: 100%;
    max-width: 1200px;
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    transition: width var(--transition-slow), max-width var(--transition-slow), transform var(--transition-slow);
    transform-origin: top center;
}

/* Live Preview Iframe */
#live-preview-frame {
    width: 100%;
    height: 100%;
    min-height: calc(100vh - 200px);
    border: none;
    display: block;
}

/* Empty State */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 400px;
    color: var(--color-text-muted);
    text-align: center;
}

.empty-state i {
    font-size: 48px;
    margin-bottom: var(--space-md);
    color: var(--color-text-subtle);
}

.empty-state h3 {
    margin: 0 0 var(--space-sm);
    font-weight: 600;
}

.empty-state p {
    margin: 0;
    max-width: 300px;
}

/* ==========================================================================
   Blocks List (Left panel content tab)
   ========================================================================== */

.blocks-list-container {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-md);
}

.block-list-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-sm);
    cursor: pointer;
    transition: var(--transition-fast);
}

.block-list-item:hover {
    background: var(--color-primary-light);
    border-color: var(--color-primary);
}

.block-list-item.selected {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

.block-list-item.selected .block-list-preview,
.block-list-item.selected .block-action-btn {
    color: rgba(255, 255, 255, 0.8);
}

.block-list-item.dragging {
    opacity: 0.5;
}

.block-list-item.drag-over {
    border-color: var(--color-primary);
    box-shadow: inset 0 0 0 2px var(--color-primary);
}

.block-list-handle {
    cursor: grab;
    color: var(--color-text-subtle);
    padding: var(--space-xs);
}

.block-list-handle:active {
    cursor: grabbing;
}

.block-list-info {
    flex: 1;
    min-width: 0;
}

.block-list-type {
    font-weight: 600;
    font-size: 13px;
    text-transform: capitalize;
}

.block-list-preview {
    font-size: 12px;
    color: var(--color-text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.block-list-actions {
    display: flex;
    gap: var(--space-xs);
    opacity: 0;
    transition: var(--transition-fast);
}

.block-list-item:hover .block-list-actions {
    opacity: 1;
}

.block-action-btn {
    width: 28px;
    height: 28px;
    border: none;
    background: none;
    color: var(--color-text-muted);
    cursor: pointer;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.block-action-btn:hover {
    background: rgba(0, 0, 0, 0.1);
    color: var(--color-text);
}

.block-action-btn.danger:hover {
    background: rgba(222, 54, 24, 0.1);
    color: var(--color-danger);
}

/* ==========================================================================
   Properties Panel
   ========================================================================== */

.properties-panel {
    width: var(--properties-width);
    background: var(--color-surface);
    border-left: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    overflow: hidden;
}

.properties-panel-header {
    padding: var(--space-md);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.properties-panel-title {
    font-weight: 600;
    font-size: 14px;
    margin: 0;
}

#properties-content {
    flex: 1;
    overflow-y: auto;
}

/* No Selection State */
.no-selection {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    min-height: 300px;
    color: var(--color-text-muted);
    text-align: center;
    padding: var(--space-xl);
}

.no-selection i {
    font-size: 48px;
    margin-bottom: var(--space-md);
    color: var(--color-text-subtle);
}

.no-selection p {
    margin: 0;
}

/* Properties Header */
.props-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md);
    background: var(--color-primary-light);
    border-bottom: 1px solid var(--color-border);
}

.props-type {
    font-weight: 600;
    font-size: 14px;
    text-transform: capitalize;
}

.props-close {
    width: 24px;
    height: 24px;
    border: none;
    background: none;
    cursor: pointer;
    color: var(--color-text-muted);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.props-close:hover {
    background: rgba(0, 0, 0, 0.1);
}

/* Properties Body */
.props-body {
    padding: var(--space-md);
}

/* Form Groups */
.form-group {
    margin-bottom: var(--space-md);
}

.form-group label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--color-text-muted);
    margin-bottom: var(--space-xs);
}

.form-group input[type="text"],
.form-group input[type="url"],
.form-group input[type="number"],
.form-group textarea,
.form-group select {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 14px;
    color: var(--color-text);
    background: var(--color-surface);
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: var(--shadow-focus);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
    font-family: inherit;
}

.form-group--checkbox label {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    cursor: pointer;
    font-weight: normal;
    color: var(--color-text);
}

.form-group--checkbox input[type="checkbox"] {
    width: auto;
    accent-color: var(--color-primary);
}

.form-group input[type="range"] {
    padding: 0;
    height: 6px;
    -webkit-appearance: none;
    background: var(--color-border);
    border-radius: 3px;
    cursor: pointer;
}

.form-group input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    background: var(--color-primary);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
}

.range-value {
    font-weight: normal;
    color: var(--color-text);
}

.field-hint {
    font-size: 11px;
    color: var(--color-text-subtle);
    margin: var(--space-xs) 0 0;
}

/* JSON Editor */
.json-editor {
    margin-top: var(--space-md);
    border-top: 1px solid var(--color-border);
    padding-top: var(--space-md);
}

.json-editor summary {
    font-size: 12px;
    font-weight: 500;
    color: var(--color-text-muted);
    cursor: pointer;
    margin-bottom: var(--space-sm);
}

.json-field {
    font-family: 'Monaco', 'Menlo', 'Consolas', monospace;
    font-size: 12px;
}

/* Properties Footer */
.props-footer {
    display: flex;
    gap: var(--space-sm);
    padding: var(--space-md);
    border-top: 1px solid var(--color-border);
    background: var(--color-bg);
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    font-size: 14px;
    font-weight: 500;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-fast);
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
    background: var(--color-primary-hover);
}

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

.btn-secondary:hover:not(:disabled) {
    background: var(--color-primary-light);
    border-color: var(--color-primary);
}

.btn-success {
    background: var(--color-success);
    color: #fff;
}

.btn-success:hover:not(:disabled) {
    filter: brightness(0.9);
}

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

.btn-danger:hover:not(:disabled) {
    filter: brightness(0.9);
}

.btn-sm {
    padding: var(--space-xs) var(--space-sm);
    font-size: 12px;
}

.btn-lg {
    padding: var(--space-md) var(--space-lg);
    font-size: 16px;
}

.btn-icon {
    width: 32px;
    height: 32px;
    padding: 0;
}

/* ==========================================================================
   Toasts
   ========================================================================== */

#toast-container {
    position: fixed;
    bottom: var(--space-lg);
    right: var(--space-lg);
    display: flex;
    flex-direction: column-reverse;
    gap: var(--space-sm);
    z-index: 10000;
    pointer-events: none;
}

.toast {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    animation: slideIn 0.2s ease;
    pointer-events: auto;
    max-width: 400px;
}

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

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideOut {
    from {
        opacity: 1;
        transform: translateX(0);
    }

    to {
        opacity: 0;
        transform: translateX(100%);
    }
}

.toast.success {
    border-color: var(--color-success);
    background: rgba(80, 184, 60, 0.1);
}

.toast.error {
    border-color: var(--color-danger);
    background: rgba(222, 54, 24, 0.1);
}

.toast.warning {
    border-color: var(--color-warning);
    background: rgba(244, 147, 66, 0.1);
}

.toast.info {
    border-color: var(--color-info);
    background: rgba(71, 193, 191, 0.1);
}

.toast-icon {
    font-size: 16px;
}

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

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

.toast.warning .toast-icon {
    color: var(--color-warning);
}

.toast.info .toast-icon {
    color: var(--color-info);
}

.toast-message {
    flex: 1;
    font-size: 14px;
}

.toast-close {
    width: 24px;
    height: 24px;
    border: none;
    background: none;
    cursor: pointer;
    color: var(--color-text-subtle);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.toast-close:hover {
    background: rgba(0, 0, 0, 0.1);
}

/* ==========================================================================
   Modals
   ========================================================================== */

.modal {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-fast);
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    max-width: 90vw;
    max-height: 90vh;
    overflow: hidden;
    transform: scale(0.95);
    transition: var(--transition-fast);
}

.modal.active .modal-content {
    transform: scale(1);
}

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

.modal-title {
    font-size: 18px;
    font-weight: 600;
    margin: 0;
}

.modal-close {
    width: 32px;
    height: 32px;
    border: none;
    background: none;
    cursor: pointer;
    color: var(--color-text-muted);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    background: var(--color-bg);
}

.modal-body {
    padding: var(--space-lg);
    overflow-y: auto;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    border-top: 1px solid var(--color-border);
    background: var(--color-bg);
}

/* ==========================================================================
   Tabs
   ========================================================================== */

.tabs {
    display: flex;
    border-bottom: 1px solid var(--color-border);
}

.tab {
    flex: 1;
    padding: var(--space-sm) var(--space-md);
    border: none;
    background: none;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text-muted);
    border-bottom: 2px solid transparent;
    transition: var(--transition-fast);
}

.tab:hover {
    color: var(--color-text);
}

.tab.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* ==========================================================================
   Loading States
   ========================================================================== */

.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-border);
    border-radius: 50%;
    border-top-color: var(--color-primary);
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.skeleton {
    background: linear-gradient(90deg, var(--color-bg) 25%, var(--color-border) 50%, var(--color-bg) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% {
        background-position: 200% 0;
    }

    100% {
        background-position: -200% 0;
    }
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 1200px) {
    .properties-panel {
        width: 280px;
    }
}

@media (max-width: 992px) {
    .sidebar {
        width: 240px;
    }

    .properties-panel {
        position: fixed;
        right: 0;
        top: var(--topbar-height);
        bottom: 0;
        transform: translateX(100%);
        transition: transform var(--transition-slow);
        z-index: 90;
    }

    .properties-panel.open {
        transform: translateX(0);
    }
}

@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        left: 0;
        top: var(--topbar-height);
        bottom: 0;
        transform: translateX(-100%);
        transition: transform var(--transition-slow);
        z-index: 90;
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .canvas-toolbar {
        flex-wrap: wrap;
        gap: var(--space-sm);
    }

    .viewport-btn span {
        display: none;
    }
}

/* ==========================================================================
   Print Styles
   ========================================================================== */

@media print {

    .topbar,
    .sidebar,
    .properties-panel,
    .canvas-toolbar,
    #toast-container {
        display: none !important;
    }

    .canvas-container {
        padding: 0;
    }

    .canvas-frame {
        box-shadow: none;
        max-width: 100%;
    }
}