@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

        :root {
            /* -- ANTIGRAVITY DARK THEME (Deepest Blue) -- */
            --bg: #030508;
            /* Almost black blue */
            --fg: #e2e8f0;
            /* Light cool gray */
            --muted: #64748b;
            /* Muted cool gray */

            --panel: #0b1121;
            /* Very dark deep blue */
            --panel-2: #151e32;
            /* Lighter deep blue for secondary inputs/hover */

            --border: #1e293b;
            /* Subtle blue-gray border */

            --accent: #3b82f6;
            /* Electric Blue */
            --accent-hover: #2563eb;
            --accent-fg: #151d58;

            --success: #10b981;
            --danger: #ef4444;

            --font: 'Inter', system-ui, -apple-system, sans-serif;
            --radius: 8px;
            /* Slightly rounder for modern feel */
            --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
            --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
        }

        body.light-mode {
            --bg: #f8fafc;
            --fg: #0f172a;
            --muted: #64748b;
            --panel: #ffffff;
            --panel-2: #f1f5f9;
            --border: #e2e8f0;
            --accent: #2563eb;
            --accent-hover: #1d4ed8;
            --accent-fg: #ffffff;
            --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
            --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
        }

        * {
            box-sizing: border-box;
        }

        body {
            height: 100vh;
            margin: 0;
            color: var(--fg);
            background: var(--bg);
            font-family: var(--font);
            font-size: 13px;
            display: flex;
            flex-direction: column;
            overflow: hidden;
            line-height: 1.5;
            -webkit-font-smoothing: antialiased;
        }

        /* Typography */
        h3,
        h4,
        h5 {
            margin: 0 0 10px;
            font-weight: 600;
            color: var(--fg);
            letter-spacing: -0.01em;
        }

        h3 {
            font-size: 11px;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--muted);
            font-weight: 700;
        }

        p {
            margin: 0 0 10px;
        }

        label {
            font-size: 11px;
            color: var(--muted);
            display: block;
            margin-bottom: 4px;
            font-weight: 500;
        }

        /* Buttons & Inputs */
        .btn {
            appearance: none;
            background: var(--panel-2);
            color: var(--fg);
            border: 1px solid var(--border);
            padding: 0 14px;
            border-radius: var(--radius);
            cursor: pointer;
            font-size: 13px;
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: all .2s ease;
            text-decoration: none;
            height: 32px;
            white-space: nowrap;
            user-select: none;
        }

        .btn:hover {
            background: var(--border);
            border-color: var(--muted);
            color: #fff;
            transform: translateY(-1px);
        }

        .btn:active {
            transform: translateY(0);
        }

        .btn:disabled {
            opacity: 0.3;
            cursor: not-allowed;
            pointer-events: none;
        }

        .btn.primary {
            background: var(--accent);
            color: var(--accent-fg);
            border-color: transparent;
            box-shadow: 0 2px 4px rgba(59, 130, 246, 0.3);
        }

        .btn.primary:hover {
            background: var(--accent-hover);
            box-shadow: 0 4px 8px rgba(59, 130, 246, 0.4);
        }

        .btn.ghost {
            background: transparent;
            border-color: transparent;
            color: var(--muted);
        }

        .btn.ghost:hover {
            background: var(--panel-2);
            color: var(--fg);
        }

        .btn.ghost.active {
            background: rgba(59, 130, 246, 0.1);
            color: var(--accent);
        }

        input[type="text"],
        input[type="search"],
        input[type="number"],
        input[type="password"],
        select,
        textarea {
            background: var(--bg);
            color: var(--fg);
            border: 1px solid var(--border);
            padding: 0 10px;
            border-radius: var(--radius);
            outline: none;
            font-family: inherit;
            font-size: 13px;
            transition: all .2s;
            width: 100%;
            height: 32px;
        }

        input:focus,
        select:focus,
        textarea:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
        }

        textarea {
            height: auto;
            padding: 8px;
            resize: vertical;
        }

        /* Layout */
        .app {
            display: grid;
            grid-template-rows: auto 1fr auto;
            flex-grow: 1;
            min-height: 0;
        }

        .main {
            display: grid;
            grid-template-columns: 260px 1fr 280px;
            gap: 0;
            padding: 0;
            min-height: 0;
            overflow: hidden;
            background: var(--bg);
        }

        /* Header */
        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0 16px;
            height: 56px;
            background: var(--panel);
            border-bottom: 1px solid var(--border);
            flex-shrink: 0;
            backdrop-filter: blur(8px);
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            color: var(--fg);
            text-decoration: none;
            font-size: 16px;
            letter-spacing: -0.02em;
        }

        .logo-icon {
            width: 24px;
            height: 24px;
            object-fit: contain;
        }

        .nav-links {
            display: flex;
            gap: 16px;
            align-items: center;
        }

        .nav-links a {
            color: var(--muted);
            text-decoration: none;
            font-weight: 500;
            transition: color .15s;
            font-size: 13px;
        }

        .nav-links a:hover {
            color: var(--fg);
        }

        /* Toolbar */
        header {
            display: flex;
            gap: 8px;
            align-items: center;
            padding: 6px 12px;
            background: var(--panel);
            border-bottom: 1px solid var(--border);
            height: 44px;
            flex-shrink: 0;
        }

        .toolbar {
            display: flex;
            gap: 6px;
            align-items: center;
        }

        .toolbar-group {
            display: flex;
            gap: 4px;
            padding: 2px;
            border: 1px solid var(--border);
            border-radius: 6px;
            background: var(--bg);
            align-items: center;
        }

        /* Panels */
        .panel {
            background: var(--panel);
            display: flex;
            flex-direction: column;
            min-width: 0;
            position: relative;
            z-index: 10;
        }

        /* BORDERS: Only minimal separator lines */
        .panel.left {
            border-right: 1px solid var(--border);
        }

        .panel.right {
            border-left: 1px solid var(--border);
        }

        /* Panel Content - FIXED SCROLLING */
        .left-panel-content,
        #inspectorWrap {
            padding: 12px;
            overflow-y: auto;
            flex: 1 1 0;
            min-height: 0;
            /* Critical for flex scroll */
        }

        .left-panel-content {
            overflow: hidden;
        }

        .left-panel-split {
            display: grid;
            grid-template-rows: minmax(210px, 1fr) minmax(250px, 1fr);
            gap: 12px;
            height: 100%;
            min-height: 0;
            overflow: hidden;
        }

        .left-panel-top,
        .left-panel-bottom {
            border: 1px solid var(--border);
            border-radius: 12px;
            background: var(--panel);
            min-height: 0;
            display: flex;
            flex-direction: column;
            overflow: hidden;
        }

        .left-panel-bottom {
            padding: 12px;
            overflow-y: auto;
        }

        .left-panel-top-body {
            flex: 1;
            min-height: 0;
            overflow-y: auto;
            padding: 12px;
        }

        /* Tabs */
        .panel-tabs {
            display: flex;
            border-bottom: 1px solid var(--border);
            margin: 0 -16px 16px;
            padding: 0 16px;
            gap: 20px;
        }

        .left-panel-top .panel-tabs {
            margin: 0;
            padding: 0 12px;
            gap: 14px;
        }

        .panel-tab-btn {
            background: none;
            border: none;
            padding: 12px 0;
            color: var(--muted);
            font-size: 12px;
            font-weight: 600;
            text-transform: uppercase;
            cursor: pointer;
            letter-spacing: 0.02em;
            border-bottom: 2px solid transparent;
            transition: all .2s;
        }

        .panel-tab-btn:hover {
            color: var(--fg);
        }

        .panel-tab-btn.active {
            color: var(--accent);
            border-bottom-color: var(--accent);
        }

        .panel-tab-content {
            display: none;
            flex-direction: column;
            animation: fadeIn 0.2s ease;
        }

        .panel-tab-content.active {
            display: flex;
        }

        .ai-chat-panel {
            display: flex;
            flex-direction: column;
            gap: 10px;
            min-height: 0;
            height: 100%;
        }

        .ai-chat-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
        }

        .ai-chat-header h4 {
            margin: 0;
            font-size: 12px;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--muted);
        }

        .ai-chat-header .btn {
            height: 28px;
            padding: 0 10px;
            font-size: 11px;
        }

        .ai-chat-log {
            flex: 1;
            min-height: 90px;
            max-height: none;
            overflow: auto;
            border: 1px solid var(--border);
            border-radius: 10px;
            background: var(--bg);
            padding: 10px;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .ai-chat-empty {
            font-size: 12px;
            text-align: center;
            padding: 16px 10px;
        }

        .ai-chat-message {
            font-size: 12px;
            line-height: 1.45;
            white-space: pre-wrap;
            word-break: break-word;
            border: 1px solid var(--border);
            background: var(--panel-2);
            border-radius: 8px;
            padding: 8px 10px;
        }

        .ai-chat-message.user {
            border-color: rgba(59, 130, 246, 0.35);
            background: rgba(59, 130, 246, 0.14);
        }

        .ai-chat-message.assistant {
            border-color: rgba(16, 185, 129, 0.35);
            background: rgba(16, 185, 129, 0.08);
        }

        .ai-chat-message.status {
            border-color: rgba(100, 116, 139, 0.45);
            background: rgba(30, 41, 59, 0.5);
            color: var(--muted);
            font-style: italic;
        }

        .ai-attachment-meta {
            min-height: 1.2em;
            font-size: 11px;
        }

        .ai-prompt-wrap {
            position: relative;
        }

        .ai-attach-btn {
            width: 30px;
            min-width: 30px;
            padding: 0 !important;
            flex: 0 0 30px;
        }

        .ai-attach-btn svg {
            width: 14px;
            height: 14px;
            fill: none;
            stroke: currentColor;
            stroke-width: 2;
            stroke-linecap: round;
            stroke-linejoin: round;
            display: block;
        }

        .ai-prompt-tools {
            position: absolute;
            left: 8px;
            right: 8px;
            bottom: 8px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            pointer-events: none;
        }

        .ai-prompt-tools .btn {
            pointer-events: auto;
            height: 26px;
            font-size: 11px;
        }

        .ai-clear-inline {
            padding: 0 8px;
        }

        #aiChatPrompt {
            min-height: 58px;
            max-height: 102px;
            padding-bottom: 40px;
            resize: none;
        }

        @media (max-height: 820px) {
            .left-panel-split {
                grid-template-rows: minmax(170px, 0.9fr) minmax(220px, 1.1fr);
            }

            .ai-chat-log {
                min-height: 72px;
            }

            #aiChatPrompt {
                min-height: 52px;
                max-height: 90px;
            }
        }

        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(5px);
            }

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

        /* Canvas Area */
        .canvas-container-wrapper {
            position: relative;
            width: 100%;
            height: 100%;
            overflow: hidden;
            background: var(--bg);
            display: flex;
            flex-direction: column;
            gap: 10px;
            padding: 10px;
        }

        .canvas-pages-panel {
            flex: 0 0 auto;
            border: 1px solid var(--border);
            border-radius: 10px;
            overflow: hidden;
            background: var(--panel);
        }

        .canvas-pages-header-row {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 6px 8px;
            background: var(--panel-2);
            border-bottom: 1px solid var(--border);
        }

        .canvas-pages-header {
            appearance: none;
            flex: 1;
            border: none;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
            padding: 4px 6px;
            background: transparent;
            color: inherit;
            text-align: left;
            font: inherit;
            border-radius: 6px;
        }

        .canvas-pages-header:hover {
            background: rgba(255, 255, 255, 0.06);
        }

        .canvas-pages-header:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: -2px;
        }

        .canvas-pages-header .label {
            font-size: 11px;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            color: var(--muted);
            font-weight: 700;
        }

        .canvas-pages-header .state {
            font-size: 10px;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            color: var(--muted);
            font-weight: 700;
        }

        .canvas-pages-hide-btn {
            height: 24px;
            font-size: 10px;
            padding: 0 8px;
        }

        .canvas-pages-strip {
            display: flex;
            gap: 12px;
            overflow-x: auto;
            overflow-y: hidden;
            padding: 8px;
            scroll-behavior: smooth;
        }

        .canvas-pages-panel.collapsed .canvas-pages-strip {
            display: none;
        }

        .canvas-pages-panel.collapsed .canvas-pages-header-row {
            border-bottom: none;
        }

        .canvas-pages-strip::-webkit-scrollbar {
            height: 8px;
        }

        .canvas-pages-strip::-webkit-scrollbar-thumb {
            background: var(--border);
            border-radius: 999px;
        }

        .canvas-editor-stage {
            position: relative;
            flex: 1;
            min-height: 0;
            border: 1px solid var(--border);
            border-radius: 12px;
            overflow: hidden;
            transition: opacity 0.18s ease, transform 0.18s ease;
            will-change: opacity, transform;
        }

        .canvas-editor-stage.page-switching {
            opacity: 0.78;
            transform: scale(0.995);
        }

        .page-action-toolbar {
            position: absolute;
            top: 0;
            left: 0;
            transform: translate(-9999px, -9999px);
            display: flex;
            gap: 6px;
            align-items: center;
            padding: 4px 6px;
            border: 1px solid var(--border);
            border-radius: 8px;
            background: rgba(11, 17, 33, 0.88);
            backdrop-filter: blur(6px);
            z-index: 25;
        }

        body.light-mode .page-action-toolbar {
            background: rgba(255, 255, 255, 0.88);
        }

        .page-action-toolbar.hidden {
            display: none;
        }

        .page-action-toolbar .btn {
            width: 24px;
            min-width: 24px;
            height: 24px;
            padding: 0;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }

        .canvas-page-card {
            min-width: 300px;
            width: 300px;
            display: flex;
            flex-direction: column;
            border: 1px solid var(--border);
            border-radius: 10px;
            background: var(--panel);
            overflow: hidden;
            flex-shrink: 0;
            cursor: grab;
        }

        .canvas-page-card.dragging {
            opacity: 0.5;
        }

        .canvas-page-card.drag-over {
            border-color: var(--accent);
            box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.25);
        }

        .canvas-page-card.active {
            border-color: var(--accent);
            box-shadow: 0 0 0 1px rgba(59, 130, 246, 0.45);
        }

        .canvas-page-card.selected:not(.active) {
            border-color: rgba(59, 130, 246, 0.55);
            box-shadow: 0 0 0 1px rgba(59, 130, 246, 0.2);
        }

        .canvas-page-toolbar {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px;
            background: var(--panel-2);
            border-bottom: 1px solid var(--border);
        }

        .canvas-page-label {
            font-size: 11px;
            color: var(--fg);
            font-weight: 600;
            margin-right: 2px;
            white-space: nowrap;
        }

        .canvas-page-toolbar input[type="number"] {
            width: 58px;
            height: 26px;
            font-size: 11px;
            text-align: center;
            padding: 0 4px;
        }

        .canvas-page-toolbar .btn {
            height: 26px;
            font-size: 10px;
            padding: 0 8px;
        }

        .canvas-page-toolbar .btn.icon-only {
            width: 24px;
            min-width: 24px;
            padding: 0;
        }

        .canvas-page-preview {
            flex: 1;
            min-height: 136px;
            background-color: var(--canvas-bg);
            background-image: radial-gradient(var(--canvas-dot) 1px, transparent 0);
            background-size: 16px 16px;
            background-position: center;
            background-repeat: repeat;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--muted);
            font-size: 11px;
            cursor: pointer;
        }

        .canvas-page-add-card {
            min-width: 160px;
            width: 160px;
            flex-shrink: 0;
            border: 1px dashed var(--border);
            border-radius: 10px;
            background: transparent;
            color: var(--muted);
            cursor: pointer;
            font-size: 12px;
            font-weight: 600;
            transition: all 0.2s;
        }

        .canvas-page-add-card:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: rgba(59, 130, 246, 0.08);
        }

        .canvas-wrap {
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
            background-color: #242c44;
            background-image: radial-gradient(rgba(59, 130, 246, 0.12) 1px, transparent 0);
            background-size: 20px 20px;
            width: 100%;
            height: 100%;
            position: relative;
        }

        .table-cell-editor {
            position: fixed;
            z-index: 12000;
            border: 1px solid var(--accent);
            border-radius: 4px;
            padding: 0 6px;
            outline: none;
            background: #ffffff;
            color: #111111;
            box-shadow: var(--shadow);
        }

        .btn .inspector-icon {
            width: 14px;
            height: 14px;
            flex: 0 0 14px;
            display: block;
        }

        /* Footer */
        footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 8px 16px;
            background: var(--panel);
            border-top: 1px solid var(--border);
            font-size: 12px;
            height: 48px;
            color: var(--muted);
        }

        .export-page-selector-wrap {
            position: relative;
            display: inline-flex;
            align-items: center;
        }

        .export-page-selector-menu {
            position: absolute;
            left: 0;
            bottom: calc(100% + 6px);
            min-width: 220px;
            max-height: 280px;
            overflow: auto;
            z-index: 1200;
            border: 1px solid var(--border);
            border-radius: 8px;
            background: var(--panel);
            box-shadow: var(--shadow);
            padding: 10px;
            color: var(--fg);
        }

        .export-page-all-toggle {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 12px;
            margin-bottom: 8px;
            padding-bottom: 8px;
            border-bottom: 1px solid var(--border);
        }

        .export-page-checkbox-list {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .export-page-checkbox-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 12px;
        }

        /* Sidebar Toggles Improved */
        .panel-toggle {
            position: absolute;
            top: 50%;
            width: 24px;
            height: 48px;
            background: var(--panel);
            border: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            z-index: 50;
            color: var(--muted);
            transform: translateY(-50%);
            transition: all 0.2s;
        }

        .panel-toggle:hover {
            color: var(--accent);
            background: var(--panel-2);
        }

        #left-panel-toggle {
            right: -24px;
            left: auto;
            border-left: none;
            border-radius: 0 8px 8px 0;
            box-shadow: 4px 0 8px rgba(0, 0, 0, 0.1);
        }

        #right-panel-toggle {
            left: -24px;
            right: auto;
            border-right: none;
            border-radius: 8px 0 0 8px;
            box-shadow: -4px 0 8px rgba(0, 0, 0, 0.1);
        }

        /* Floating Linker Modernized */
        #floating-linker {
            position: fixed !important;
            z-index: 9999;
            background: rgba(11, 17, 33, 0.95);
            /* Semi-transparent background */
            backdrop-filter: blur(12px);
            border: 1px solid var(--border);
            border-radius: 12px;
            box-shadow: var(--shadow-lg);
            display: none;
            flex-direction: column;
            gap: 8px;
            padding: 8px;
            animation: popIn 0.15s cubic-bezier(0.16, 1, 0.3, 1);
        }

        @keyframes popIn {
            from {
                opacity: 0;
                transform: scale(0.9);
            }

            to {
                opacity: 1;
                transform: scale(1);
            }
        }

        .floating-linker-actions {
            display: flex;
            gap: 8px;
        }

        /* Components Grid */
        .components-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 10px;
        }

        .shape-chip {
            background: var(--panel-2);
            border: 1px solid transparent;
            border-radius: var(--radius);
            padding: 16px;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
            cursor: grab;
            transition: all .2s;
        }

        .shape-chip:hover {
            border-color: var(--accent);
            background: #1e293b;
            transform: translateY(-2px);
            box-shadow: var(--shadow);
        }

        .shape-chip svg {
            width: 28px;
            height: 28px;
            stroke: var(--fg);
            stroke-width: 1.5;
            fill: none;
            opacity: 0.8;
        }

        .shape-chip:hover svg {
            stroke: var(--accent);
            opacity: 1;
        }

        .shape-chip span {
            font-size: 11px;
            color: var(--muted);
            font-weight: 500;
        }

        .shape-chip-nav {
            cursor: pointer;
            user-select: none;
        }

        .shape-chip-nav:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .shape-chip-nav:hover {
            border-color: var(--accent);
            background: #1e293b;
            box-shadow: var(--shadow);
        }

        .components-view[hidden] {
            display: none;
        }

        .components-subheader {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 10px;
            gap: 8px;
        }

        .components-subheader .btn {
            height: 28px;
            font-size: 11px;
            padding: 0 10px;
        }

        /* Layers List - Compact & Draggable */
        .layers-list {
            min-height: 100px;
        }

        .layers-list .layer-item {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 4px 8px;
            border-radius: 6px;
            border: 1px solid transparent;
            margin-bottom: 2px;
            cursor: grab;
            font-size: 11px;
            transition: all .15s;
            background: var(--panel-2);
            min-height: 28px;
        }

        .layers-list .layer-item:hover {
            background: var(--border);
        }

        .layers-list .layer-item.active {
            background: rgba(59, 130, 246, 0.2);
            border-color: rgba(59, 130, 246, 0.4);
            color: var(--accent);
        }

        .layers-list .layer-item.dragging {
            opacity: 0.4;
            border: 1px dashed var(--accent);
        }

        .layers-list .layer-item.drag-over {
            border-top: 2px solid var(--accent);
        }

        .layer-name {
            flex: 1;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            text-transform: capitalize;
        }

        .layer-actions {
            display: flex;
            gap: 2px;
        }

        .layer-actions .btn {
            padding: 2px;
            height: 20px;
            width: 20px;
        }

        /* Toast Notification */
        #toast-container {
            position: fixed;
            bottom: 24px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 20000;
            display: flex;
            flex-direction: column;
            gap: 10px;
            pointer-events: none;
        }

        .toast {
            background: var(--panel);
            color: var(--fg);
            padding: 12px 20px;
            border-radius: 10px;
            border: 1px solid var(--border);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
            font-size: 13px;
            display: flex;
            align-items: center;
            gap: 10px;
            animation: toastIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
            pointer-events: auto;
            min-width: 250px;
        }

        .toast.success {
            border-left: 4px solid var(--success);
        }

        .toast.error {
            border-left: 4px solid var(--danger);
        }

        .toast.info {
            border-left: 4px solid var(--accent);
        }

        @keyframes toastIn {
            from {
                transform: translateY(20px);
                opacity: 0;
            }

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

        .toast.fade-out {
            opacity: 0;
            transform: translateY(10px);
            transition: all 0.3s ease;
        }

        /* AI Bubble */
        .ai-bubble {
            position: absolute;
            bottom: 24px;
            right: 24px;
            width: 56px;
            height: 56px;
            background: linear-gradient(135deg, var(--accent), #60a5fa);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 8px 24px rgba(37, 99, 235, 0.4);
            cursor: pointer;
            transition: transform .2s;
            z-index: 20;
        }

        .ai-bubble:hover {
            transform: scale(1.1);
            box-shadow: 0 12px 32px rgba(37, 99, 235, 0.6);
        }

        /* Modals - HIGH z-index to be above everything */
        .modal-backdrop {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.7);
            backdrop-filter: blur(6px);
            display: none;
            align-items: center;
            justify-content: center;
            z-index: 10000;
        }

        .modal {
            background: var(--panel);
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 24px;
            box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
            max-width: 90vw;
            max-height: 85vh;
            overflow-y: auto;
            color: var(--fg);
            z-index: 10001;
            animation: popIn 0.2s cubic-bezier(0.16, 1, 0.3, 1);
        }

        .modal h2,
        .modal h3 {
            margin: 0 0 16px;
            font-size: 16px;
        }

        .modal-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 16px;
        }

        .modal-close {
            background: none;
            border: none;
            color: var(--muted);
            cursor: pointer;
            font-size: 20px;
        }

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

        /* Column list (Data linking) */
        .col-list {
            display: flex;
            flex-direction: column;
            gap: 8px;
            max-height: 360px;
            overflow: auto;
            padding: 2px;
        }

        .col-item {
            background: var(--panel-2);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 10px 12px;
            cursor: pointer;
        }

        .col-item:hover {
            border-color: var(--accent);
        }

        .col-item[aria-selected="true"] {
            border-color: var(--accent);
            box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.25);
        }

        /* Scrollbar */
        ::-webkit-scrollbar {
            width: 8px;
            height: 8px;
        }

        ::-webkit-scrollbar-track {
            background: transparent;
        }

        ::-webkit-scrollbar-thumb {
            background: var(--border);
            border-radius: 4px;
        }

        ::-webkit-scrollbar-thumb:hover {
            background: var(--muted);
        }

        /* Utils */
        .hidden {
            display: none !important;
        }

        .muted {
            color: var(--muted);
        }

        /* Save status - golden yellow instead of orange */
        #saveStatus {
            color: #fbbf24 !important;
            font-weight: 500;
        }

        .stack {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .row {
            display: flex;
            gap: 10px;
            align-items: center;
        }

        .prop-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 10px;
            margin-bottom: 12px;
        }

        .full-width {
            grid-column: 1 / -1;
        }

        #noSelection {
            border: 2px dashed var(--border);
            border-radius: 12px;
            padding: 32px 16px;
            text-align: center;
            background: rgba(255, 255, 255, 0.01);
        }

        /* Color Picker Fix */
        .color-picker-wrapper {
            display: flex;
            align-items: center;
            gap: 6px;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 4px;
        }

        /* Align Buttons Grid */
        .align-buttons {
            display: grid;
            grid-template-columns: repeat(6, 32px);
            gap: 4px;
            background: var(--bg);
            padding: 4px;
            border-radius: var(--radius);
            border: 1px solid var(--border);
        }

        .align-buttons .btn {
            border: none;
            background: transparent;
            padding: 4px;
            height: 28px;
            color: var(--muted);
        }

        .align-buttons .btn:hover {
            background: var(--panel-2);
            color: var(--fg);
        }


        /* --- Restored Tutorial Styles --- */
        #tour-modal {
            position: fixed;
            z-index: 30000;
            background: var(--panel);
            border: 1px solid var(--border);
            border-radius: 12px;
            width: 320px;
            box-shadow: var(--shadow-lg);
            display: none;
            flex-direction: column;
            transition: all 0.3s ease;
            left: 50%;
            top: 50%;
            transform: translate(-50%, -50%);
            /* Default centered, but moved by JS */
        }

        #tour-modal-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 12px 16px;
            border-bottom: 1px solid var(--border);
            cursor: move;
        }

        #tour-modal-header h4 {
            margin: 0;
            font-size: 14px;
            font-weight: 600;
            color: var(--fg);
        }

        #tour-modal-controls button {
            padding: 4px;
            line-height: 0;
        }

        #tour-modal-content {
            padding: 16px;
            font-size: 13px;
            line-height: 1.6;
            color: var(--fg);
        }

        #tour-modal-content p {
            margin: 0 0 12px;
        }

        #tour-modal-content ul {
            margin: 0;
            padding-left: 18px;
        }

        #tour-modal-content li {
            margin-bottom: 6px;
        }

        #tour-modal-nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 12px 16px;
            margin-top: auto;
            border-top: 1px solid var(--border);
            background: var(--panel-2);
            border-radius: 0 0 12px 12px;
        }

        #tour-step-counter {
            font-size: 11px;
            font-weight: 500;
        }

        #tour-highlight {
            position: fixed;
            z-index: 1000;
            background: rgba(59, 130, 246, 0.1);
            border: 2px solid var(--accent);
            border-radius: 6px;
            box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.7);
            pointer-events: none;
            display: none;
            transition: all 0.3s ease-in-out;
        }

        /* --- Restored Loader Modal Grid --- */
        #template-loader-modal {
            background: var(--panel);
            border: 1px solid var(--border);
            border-radius: 12px;
            box-shadow: var(--shadow-lg);
            z-index: 10002;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            padding: 0;
        }

        .template-modal-tabs {
            display: flex;
            background: var(--panel-2);
            border-bottom: 1px solid var(--border);
            padding: 4px;
            gap: 4px;
        }

        .template-modal-tab {
            flex: 1;
            background: transparent;
            border: none;
            color: var(--muted);
            padding: 8px;
            font-size: 11px;
            font-weight: 600;
            text-transform: uppercase;
            cursor: pointer;
            border-radius: 6px;
            transition: all 0.2s;
        }

        .template-modal-tab:hover {
            color: var(--fg);
            background: rgba(255, 255, 255, 0.05);
        }

        .template-modal-tab.active {
            background: var(--panel);
            color: var(--accent);
            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
        }

        #template-loader-modal .template-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
            max-height: 400px;
            overflow-y: auto;
            padding: 12px;
        }

        #template-loader-modal .template-item {
            background: var(--panel-2);
            border: 1px solid var(--border);
            border-radius: 10px;
            cursor: pointer;
            transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            display: flex;
            flex-direction: column;
            overflow: hidden;
            aspect-ratio: 4/3;
        }

        #template-loader-modal .template-item:hover {
            border-color: var(--accent);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
        }

        .template-thumb {
            flex: 1;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            background-color: #000;
            border-bottom: 1px solid var(--border);
            position: relative;
        }

        .template-thumb::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to bottom, transparent 60%, rgba(0, 0, 0, 0.6));
            opacity: 0;
            transition: opacity 0.2s;
        }

        .template-item:hover .template-thumb::after {
            opacity: 1;
        }

        .template-title {
            padding: 8px 10px;
            font-size: 12px;
            font-weight: 500;
            color: var(--fg);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            background: var(--panel-2);
        }

        /* --- Restored Visual Crop Styles --- */
        #visualCropModal .modal {
            width: 90vw;
            height: 90vh;
            max-width: 1400px;
            display: flex;
            flex-direction: column;
        }

        #visualCropContainer {
            flex-grow: 1;
            position: relative;
            background: #000;
            border-radius: 8px;
            overflow: hidden;
            margin: 16px 0;
        }

        /* --- FIX: Toolbar Layout --- */
        .toolbar {
            display: flex;
            gap: 6px;
            align-items: center;
        }

        #pageWidth,
        #pageHeight {
            width: 65px !important;
            text-align: center;
            height: 28px !important;
        }

        #titleInput {
            width: 130px !important;
            height: 28px !important;
        }

        #globalPageSizeGroup .toolbar-label {
            font-size: 11px;
            font-weight: 600;
            margin: 0 2px 0 4px;
        }

        /* Elements Grid */
        #elements-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(40px, 1fr));
            gap: 8px;
            padding: 8px 0;
        }

        #elements-grid .element-chip {
            aspect-ratio: 1;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--panel-2);
            border: 1px solid transparent;
            border-radius: 6px;
            cursor: grab;
            transition: all 0.15s;
            padding: 8px;
        }

        #elements-grid .element-chip:hover {
            border-color: var(--accent);
            background: var(--border);
        }

        #elements-grid .element-chip svg,
        #elements-grid .element-chip img {
            width: 100%;
            height: 100%;
            object-fit: contain;
        }

        /* --- COMPACT INSPECTOR STYLES --- */
        #inspector,
        #multiSelectInspector {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        #inspector h3,
        #multiSelectInspector h3 {
            margin: 0 0 4px;
            padding-bottom: 6px;
            border-bottom: 1px solid var(--border);
            font-size: 10px;
        }

        /* Reduce stack gaps */
        .stack {
            gap: 6px !important;
            margin-bottom: 8px;
        }

        .prop-grid {
            gap: 6px;
            margin-bottom: 8px;
        }

        /* Compact prop rows */
        .prop-row {
            display: flex;
            align-items: center;
            gap: 6px;
            margin-bottom: 4px;
        }

        .prop-row label {
            flex: 0 0 60px;
            font-size: 10px;
            color: var(--muted);
            margin: 0;
        }

        .prop-row input,
        .prop-row select {
            flex: 1;
            height: 26px;
            font-size: 11px;
        }

        /* Slider rows */
        .slider-wrapper {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
        }

        .slider-wrapper input[type="range"] {
            flex: 1;
            height: 3px;
            border-radius: 2px;
            accent-color: var(--accent);
        }

        .slider-wrapper input[type="number"] {
            width: 44px;
            text-align: center;
            height: 24px;
        }

        /* Section dividers - more compact */
        .inspector-section {
            padding: 8px;
            background: var(--bg);
            border-radius: 6px;
            border: 1px solid var(--border);
            margin-bottom: 6px;
        }

        .inspector-section h4 {
            font-size: 10px;
            text-transform: uppercase;
            letter-spacing: 0.04em;
            color: var(--muted);
            margin: 0 0 8px;
        }

        /* Color picker compact */
        .color-picker-wrapper {
            height: 26px;
        }

        .color-picker-wrapper input[type="color"] {
            width: 22px;
            height: 22px;
            padding: 0;
            border: none;
            cursor: pointer;
        }

        .color-picker-wrapper input[type="text"] {
            height: 22px;
            border: none;
            background: transparent;
            padding: 0 4px;
            font-size: 11px;
        }

        /* Buttons in inspector */
        #inspector .btn,
        #multiSelectInspector .btn {
            height: 28px;
            font-size: 11px;
            padding: 0 10px;
        }

        /* noSelection compact */
        #noSelection {
            padding: 16px 12px;
        }

        #noSelection h4 {
            font-size: 12px;
            margin-bottom: 8px;
        }

        #noSelection p {
            font-size: 11px;
            margin-bottom: 8px;
        }



        /* --- UI/UX polish patch (2026-01-16) --- */
        :root {
            --canvas-bg: #3b455a;
            --canvas-dot: rgba(243, 98, 30, 0.712);
            --page-outline: rgba(0, 0, 0, 0.1);
        }

        body.light-mode {
            --canvas-bg: #cfd5dd;
            --canvas-dot: rgba(243, 98, 30, 0.712);
            --page-outline: rgba(15, 23, 42, .12);
        }

        .canvas-wrap {
            background-color: var(--canvas-bg) !important;
            background-image: radial-gradient(var(--canvas-dot) 1.5px, transparent 0) !important;
        }

        /* Make number inputs look modern (hide default spinners) */
        input[type="number"] {
            -moz-appearance: textfield;
        }

        input[type="number"]::-webkit-outer-spin-button,
        input[type="number"]::-webkit-inner-spin-button {
            -webkit-appearance: none;
            margin: 0;
            background: transparent;
        }

        /* Modern color picker */
        .color-picker-wrapper {
            display: flex;
            align-items: center;
            gap: 8px;
            height: 32px;
            padding: 0 8px;
            background: var(--panel-2);
            border: 1px solid var(--border);
            border-radius: var(--radius);
        }

        .color-picker-wrapper input[type="text"] {
            height: 28px;
            border: none;
            background: transparent;
            padding: 0;
            font-size: 12px;
        }

        .color-picker-wrapper input[type="color"] {
            width: 28px;
            height: 28px;
            border: none;
            background: transparent;
            padding: 0;
            border-radius: 8px;
            cursor: pointer;
        }

        .color-picker-wrapper input[type="color"]::-webkit-color-swatch-wrapper {
            padding: 0;
        }

        .color-picker-wrapper input[type="color"]::-webkit-color-swatch {
            border: none;
            border-radius: 8px;
        }

        /* Tutorial always above everything */
        #tour-highlight {
            z-index: 10050 !important;
        }

        #tour-modal {
            z-index: 10060 !important;
        }

        /* Template loader should float */
        #template-loader-modal {
            position: fixed !important;
            z-index: 10040 !important;
        }

        /* Page outline visible even on white */

        /* Smaller align buttons */
        .align-btn {
            width: 32px !important;
            height: 32px !important;
            padding: 0 !important;
        }

        /* Ensure hidden panels don't peek */
        .panel.left,
        .panel.right {
            overflow: hidden;
        }

        .panel.collapsed {
            width: 0 !important;
            min-width: 0 !important;
            border: none !important;
        }