:root{--bg-primary: #f8fafc;--bg-secondary: #ffffff;--bg-tertiary: #f1f5f9;--bg-card: #ffffff;--border-color: #e2e8f0;--border-glow: rgba(0, 180, 240, .35);--text-primary: #0f172a;--text-secondary: #475569;--text-muted: #94a3b8;--accent: #0f172a;--accent-cyan: #00b4f0;--accent-cyan-light: rgba(0, 180, 240, .08);--danger: #ef4444;--danger-light: rgba(239, 68, 68, .08);--success: #10b981;--success-hover: #059669;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .03);--shadow-md: 0 4px 20px rgba(15, 23, 42, .05);--shadow-lg: 0 20px 40px -10px rgba(15, 23, 42, .08);--radius-sm: 8px;--radius-md: 16px;--radius-lg: 24px;--font-title: "Outfit", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif}*{box-sizing:border-box;margin:0;padding:0;-webkit-user-select:none;user-select:none}body{background-color:var(--bg-primary);color:var(--text-primary);font-family:var(--font-body);overflow:hidden;height:100vh;width:100vw}.app-container{display:grid;grid-template-rows:70px 1fr;grid-template-columns:260px 1fr 320px;height:100vh;width:100vw;background-color:var(--bg-primary)}.app-header{grid-row:1;grid-column:1 / -1;display:flex;justify-content:space-between;align-items:center;padding:0 24px;background-color:var(--bg-secondary);border-bottom:1px solid var(--border-color);z-index:100;box-shadow:var(--shadow-sm)}.logo-section{display:flex;align-items:center;gap:12px}.logo-icon{background-color:var(--accent-cyan);color:#fff;width:38px;height:38px;border-radius:11px;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 10px #00b4f040}.logo-text{font-family:var(--font-title);font-weight:700;font-size:20px;color:var(--text-primary);letter-spacing:-.5px}.header-actions{display:flex;align-items:center;gap:12px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:8px 18px;font-family:var(--font-body);font-size:13.5px;font-weight:600;border-radius:9999px;border:1px solid transparent;cursor:pointer;height:36px;box-sizing:border-box;transition:all .2s cubic-bezier(.4,0,.2,1)}.btn-sm{padding:6px 14px;font-size:12px;height:32px}.btn-md{padding:8px 18px;font-size:13.5px;height:36px}.btn-lg{padding:10px 22px;font-size:14px;height:40px}.btn-primary{background-color:var(--accent);color:#fff;box-shadow:0 4px 10px #0f172a26}.btn-primary:hover{background-color:#1e293b;transform:translateY(-1px);box-shadow:0 6px 14px #0f172a40}.btn-secondary{background-color:var(--bg-secondary);border-color:var(--border-color);color:var(--text-primary)}.btn-secondary:hover{background-color:var(--bg-tertiary);border-color:var(--text-muted)}.btn-accent{background-color:var(--accent-cyan);color:#fff;box-shadow:0 4px 12px #00b4f040;border:none}.btn-accent:hover{background-color:#009ecd;transform:translateY(-1px);box-shadow:0 6px 16px #00b4f059}.btn-danger{background-color:var(--danger-light);border-color:#ef444426;color:#ef4444}.btn-danger:hover{background-color:var(--danger);color:#fff}.btn:active{transform:scale(.97)}.btn-icon{padding:8px;border-radius:50%;background-color:var(--bg-tertiary);border:1px solid var(--border-color);color:var(--text-secondary);cursor:pointer;transition:all .2s;display:inline-flex;align-items:center;justify-content:center}.btn-icon:hover{color:var(--text-primary);background-color:var(--border-color)}.btn-icon.active{color:var(--accent-cyan);border-color:var(--accent-cyan);background-color:var(--accent-cyan-light)}.sidebar-left{grid-column:1;background-color:var(--bg-secondary);border-right:1px solid var(--border-color);display:flex;flex-direction:column;height:calc(100vh - 70px);overflow:hidden}.sidebar-title{padding:18px 20px;font-family:var(--font-title);font-size:15px;font-weight:700;letter-spacing:.5px;color:var(--text-primary);border-bottom:1px solid var(--border-color);display:flex;justify-content:space-between;align-items:center}.thumbnail-list{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:16px}.thumbnail-card{background-color:var(--bg-primary);border:2px solid transparent;border-radius:var(--radius-md);padding:16px;cursor:grab;position:relative;transition:all .2s;display:flex;flex-direction:column;align-items:center;gap:12px;box-shadow:var(--shadow-sm)}.thumbnail-card:active{cursor:grabbing}.thumbnail-card:hover{background-color:#f1f5f9;border-color:var(--text-muted)}.thumbnail-card.active{border-color:var(--accent-cyan);box-shadow:var(--shadow-md);background-color:#fff}.thumbnail-card.dragging{opacity:.4;border:2px dashed var(--accent-cyan);background-color:var(--bg-tertiary)}.thumbnail-preview{background-color:#fff;border-radius:var(--radius-sm);position:relative;overflow:hidden;box-shadow:0 4px 12px #0f172a14;transition:all .2s;border:1px solid var(--border-color)}.thumbnail-card.portrait .thumbnail-preview{width:120px;height:170px}.thumbnail-card.landscape .thumbnail-preview{width:170px;height:120px}.thumbnail-img-node{position:absolute;background-size:cover;background-position:center;border:1px solid rgba(0,0,0,.05)}.thumbnail-label{font-size:13px;font-weight:600;color:var(--text-secondary);display:flex;justify-content:space-between;width:100%;align-items:center}.thumbnail-card.active .thumbnail-label{color:var(--text-primary)}.thumbnail-controls{display:flex;gap:4px}.thumbnail-card.add-page-card{transition:all .2s ease-in-out}.thumbnail-card.add-page-card:hover{background-color:var(--bg-secondary)!important;border-color:var(--accent-cyan)!important}.thumbnail-card.add-page-card:hover svg{color:var(--accent-cyan)!important;transform:scale(1.1)}.thumbnail-card.add-page-card:hover span{color:var(--accent-cyan)!important}.main-workspace{grid-column:2;background-color:var(--bg-primary);display:flex;flex-direction:column;overflow:hidden;position:relative;height:calc(100vh - 70px)}.workspace-sticky-header{width:100%;background-color:#fffc;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border-color);padding:10px 24px;display:flex;justify-content:space-between;align-items:center;z-index:100;box-shadow:var(--shadow-sm);gap:16px}.workspace-scroll-area{flex:1;width:100%;overflow:auto;display:flex;flex-direction:column;align-items:center;padding:45px 20px}.zoom-toolbar{display:flex;align-items:center;gap:12px}.canvas-scroll-spacer{margin-bottom:40px;transition:width .3s ease,height .3s ease}.canvas-wrapper{position:relative;box-shadow:var(--shadow-lg);transition:transform .3s ease}.a4-page{background-color:#fff;color:#000;position:relative;overflow:hidden;box-shadow:var(--shadow-lg);transform-origin:top center;background-image:radial-gradient(rgba(15,23,42,.03) 1.5px,transparent 1.5px);background-size:20px 20px;border-radius:var(--radius-sm)}.a4-page.portrait{width:794px;height:1123px}.a4-page.landscape{width:1123px;height:794px}.a4-page.focused{outline:3px solid 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var(--accent-cyan);pointer-events:none;box-shadow:0 0 10px #0284c74d}.resize-handle{position:absolute;width:10px;height:10px;background-color:#fff;border:2px solid var(--accent-cyan);border-radius:50%;pointer-events:auto;z-index:40;box-shadow:0 1px 3px #00000026}.handle-nw{top:-6px;left:-6px;cursor:nwse-resize}.handle-n{top:-6px;left:calc(50% - 5px);cursor:ns-resize}.handle-ne{top:-6px;right:-6px;cursor:nesw-resize}.handle-e{top:calc(50% - 5px);right:-6px;cursor:ew-resize}.handle-se{bottom:-6px;right:-6px;cursor:nwse-resize}.handle-s{bottom:-6px;left:calc(50% - 5px);cursor:ns-resize}.handle-sw{bottom:-6px;left:-6px;cursor:nesw-resize}.handle-w{top:calc(50% - 5px);left:-6px;cursor:ew-resize}.sidebar-right{grid-column:3;background-color:var(--bg-secondary);border-left:1px solid var(--border-color);display:flex;flex-direction:column;height:calc(100vh - 70px);overflow:hidden;padding:0}.panel-section{display:flex;flex-direction:column;gap:12px}.panel-header{font-family:var(--font-title);font-weight:700;font-size:14px;color:var(--text-primary);letter-spacing:.5px;text-transform:uppercase}.inspector-card{background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:20px;display:flex;flex-direction:column;gap:18px;box-shadow:var(--shadow-sm)}.input-group-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.input-field{display:flex;flex-direction:column;gap:6px;min-width:0}.input-field label{font-size:11px;color:var(--text-secondary);font-weight:600;text-transform:uppercase;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.input-field input{width:100%;min-width:0;background-color:var(--bg-tertiary);border:1px solid var(--border-color);color:var(--text-primary);padding:8px 12px;border-radius:var(--radius-sm);font-family:var(--font-body);font-size:13px;outline:none;transition:all 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ease;user-select:text!important;-webkit-user-select:text!important;white-space:nowrap}.ocr-line-overlay.highlight-mode{background-color:#0ea5e90d;border:1px dashed rgba(2,132,199,.15);border-radius:2px}.ocr-line-overlay:hover{background-color:#0284c72e!important;border:1px solid rgba(2,132,199,.4)!important;box-shadow:0 1px 3px #0000000d;z-index:15}.ocr-line-overlay.copied-flash{animation:ocrCopiedFlashAnim .5s ease-out}@keyframes ocrCopiedFlashAnim{0%{background-color:#10b981b3!important;border-color:#10b981e6!important}to{background-color:transparent!important;border-color:transparent!important}}.ocr-loader-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background-color:#ffffffbf;backdrop-filter:blur(5px);-webkit-backdrop-filter:blur(5px);display:flex;flex-direction:column;align-items:center;justify-content:center;z-index:20;gap:12px;padding:16px;text-align:center}.ocr-loader-spinner{width:28px;height:28px;border:3px solid rgba(2,132,199,.15);border-top-color:var(--accent-cyan);border-radius:50%;animation:ocrSpinnerAnim .8s linear infinite}@keyframes ocrSpinnerAnim{to{transform:rotate(360deg)}}.ocr-loader-text{font-family:var(--font-title);font-size:13px;font-weight:700;color:var(--text-primary)}.ocr-loader-bar-bg{width:70%;height:4px;background-color:#0f172a14;border-radius:999px;overflow:hidden}.ocr-loader-bar-fill{height:100%;background-color:var(--accent-cyan);transition:width .2s ease}.drag-over-page{position:absolute;top:0;left:0;width:100%;height:100%;background-color:#0284c70d;border:4px dashed var(--accent-cyan);display:flex;align-items:center;justify-content:center;z-index:1000;pointer-events:none;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);animation:fadeIn .2s ease-out}.drag-over-text{background-color:var(--text-primary);color:#fff;padding:14px 28px;border-radius:9999px;font-family:var(--font-title);font-size:15px;font-weight:700;box-shadow:var(--shadow-lg)}@keyframes 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var(--border-color);padding:4px;gap:4px}.sidebar-tab{flex:1;padding:8px;background:transparent;border:none;border-radius:6px;font-family:var(--font-title);font-size:12px;font-weight:600;color:var(--text-secondary);cursor:pointer;transition:all .2s ease}.sidebar-tab:hover{background-color:#0f172a0d}.sidebar-tab.active{background-color:#fff;color:var(--accent-cyan);box-shadow:0 1px 3px #0000000d}.chat-container{display:flex;flex-direction:column;height:100%;background-color:#fff}.chat-messages{flex:1;overflow-y:auto;padding:20px 16px;display:flex;flex-direction:column;gap:20px;background-color:#fcfcfd}.chat-message{display:flex;flex-direction:column;max-width:85%;position:relative}.chat-message.user{align-self:flex-end}.chat-message.assistant{align-self:flex-start}.chat-bubble{padding:12px 16px;font-size:13.5px;line-height:1.5;word-wrap:break-word;position:relative;white-space:pre-wrap}.chat-thinking-details{margin-top:4px;margin-bottom:8px;background-color:#f8fafc;border-radius:8px;border:1px solid var(--border-color);font-size:12px;color:var(--text-muted);overflow:hidden;width:100%}.chat-thinking-summary{padding:6px 12px;font-weight:500;cursor:pointer;-webkit-user-select:none;user-select:none;display:flex;align-items:center;gap:6px;background-color:#f1f5f9;border-bottom:1px solid transparent;outline:none}.chat-thinking-details[open] .chat-thinking-summary{border-bottom-color:var(--border-color);background-color:#e2e8f0}.chat-thinking-content{padding:8px 12px;white-space:pre-wrap;line-height:1.5;font-family:monospace;background-color:#fafbfc;max-height:160px;overflow-y:auto}.chat-message.user .chat-bubble{background-color:var(--accent-cyan);color:#fff;border-radius:16px 16px 4px;box-shadow:0 2px 8px #06b6d426}.chat-message.assistant 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solid var(--border-color);border-radius:16px;background-color:var(--bg-tertiary);padding:8px 12px;display:flex;flex-direction:column;position:relative;transition:border-color .2s,box-shadow .2s,background-color .2s}.chat-input-card:focus-within{border-color:var(--accent-cyan);background-color:#fff;box-shadow:0 0 0 3px #06b6d414}.chat-textarea{border:none;background:transparent;outline:none;resize:none;font-family:var(--font-body);font-size:13.5px;color:var(--text-primary);min-height:48px;max-height:140px;line-height:1.5;padding-bottom:24px}.chat-send-btn-modern{position:absolute;bottom:8px;right:12px;width:28px;height:28px;border-radius:50%;background-color:var(--accent-cyan);color:#fff;border:none;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s}.chat-send-btn-modern:hover:not(:disabled){transform:scale(1.05);opacity:.95}.chat-send-btn-modern:disabled{background-color:#e2e8f0;color:#94a3b8;cursor:not-allowed}.typing-indicator{display:flex;gap:4px;padding:8px 12px;background-color:var(--bg-tertiary);border-radius:12px 12px 12px 4px;align-self:flex-start;margin-bottom:16px}.typing-dot{width:6px;height:6px;background-color:var(--text-secondary);border-radius:50%;animation:typingBounce 1.4s infinite ease-in-out both}.typing-dot:nth-child(1){animation-delay:-.32s}.typing-dot:nth-child(2){animation-delay:-.16s}@keyframes typingBounce{0%,80%,to{transform:scale(0)}40%{transform:scale(1)}}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#0f172a66;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:1000;animation:modalFadeIn .2s ease-out}.modal-content{background-color:var(--bg-secondary);border-radius:var(--radius-md);border:1px solid var(--border-color);box-shadow:var(--shadow-lg);overflow:hidden;animation:modalScaleIn .2s cubic-bezier(.34,1.56,.64,1)}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;border-bottom:1px solid var(--border-color);background-color:var(--bg-secondary)}.modal-body{padding:20px;overflow-y:auto;max-height:75vh}.info-callout{display:flex;gap:8px;padding:12px 16px;border-radius:var(--radius-sm);font-size:12px;line-height:1.5}.action-btn{padding:8px 16px;border-radius:var(--radius-sm);font-family:var(--font-title);font-size:13px;font-weight:600;cursor:pointer;transition:all .2s ease;display:inline-flex;align-items:center;justify-content:center}.action-btn:hover{opacity:.9;transform:translateY(-1px)}.action-btn.primary{background-color:var(--accent-cyan);color:#fff;border:none}.action-btn.secondary{background-color:transparent;color:var(--text-secondary);border:1px solid var(--border-color)}@keyframes modalFadeIn{0%{opacity:0}to{opacity:1}}@keyframes modalScaleIn{0%{transform:scale(.95);opacity:0}to{transform:scale(1);opacity:1}}.select-modern{font-family:var(--font-body);font-size:12px;color:var(--text-primary);background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-sm);padding:6px 28px 6px 12px;outline:none;cursor:pointer;transition:all .2s ease;-moz-appearance:none;appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml;utf8,<svg fill='%2364748b' height='24' viewBox='0 0 24 24' width='24' xmlns='http://www.w3.org/2000/svg'><path d='M7 10l5 5 5-5z'/><path d='M0 0h24v24H0z' fill='none'/></svg>");background-repeat:no-repeat;background-position:right 8px center;background-size:16px}.select-modern:focus{border-color:var(--accent-cyan);box-shadow:0 0 0 2px var(--border-glow)}.glass-panel{background:#ffffffd9;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid 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#00b4f04d}.empty-state-title{font-family:var(--font-title);font-size:24px;font-weight:700;color:var(--text-primary);margin-bottom:12px}.empty-state-subtitle{font-size:15px;color:var(--text-secondary);line-height:1.5;margin-bottom:32px}.properties-ribbon{width:100%;height:60px;background-color:var(--bg-secondary);border-bottom:1px solid var(--border-color);display:flex;align-items:center;justify-content:flex-start;padding:0 16px;gap:10px;z-index:101;box-sizing:border-box;flex-shrink:0;overflow:hidden;min-width:0}.ribbon-group{display:flex;align-items:center;gap:8px;height:100%}.ribbon-group-title{font-size:10px;font-weight:700;text-transform:uppercase;color:var(--text-muted);letter-spacing:.5px;display:flex;flex-direction:column;justify-content:center;border-right:1px solid var(--border-color);padding-right:12px;margin-right:4px;height:32px}.ribbon-field{display:flex;align-items:center;gap:6px}.ribbon-field label{font-size:11px;font-weight:600;color:var(--text-secondary);text-transform:uppercase}.ribbon-field input{width:60px;background-color:var(--bg-tertiary);border:1px solid var(--border-color);color:var(--text-primary);padding:4px 8px;border-radius:var(--radius-sm);font-family:var(--font-body);font-size:12px;outline:none;text-align:center;transition:all .2s;box-sizing:border-box;height:28px}.ribbon-field input:focus{border-color:var(--accent-cyan);background-color:#fff}.ribbon-divider{width:1px;height:32px;background-color:var(--border-color);margin:0 2px;flex-shrink:0}.ribbon-group-shrinkable{min-width:0;flex-shrink:1}.ribbon-icon-btn{width:30px;height:30px;min-width:30px;display:flex;align-items:center;justify-content:center;background:transparent;border:1px solid transparent;border-radius:var(--radius-sm);color:var(--text-secondary);cursor:pointer;transition:all .15s ease;flex-shrink:0;padding:0}.ribbon-icon-btn:hover{background-color:var(--bg-tertiary);border-color:var(--border-color);color:var(--text-primary)}.ribbon-icon-btn:active{transform:scale(.93)}.ribbon-icon-btn-active{background-color:#00d2d314;border-color:var(--accent-cyan)!important;color:var(--accent-cyan)}.ribbon-icon-btn-active:hover{background-color:#00d2d326}.ribbon-icon-btn-success{color:#10b981;border-color:#10b9814d;background-color:#10b9810f}.ribbon-icon-btn-vision{color:#818cf8;border-color:#6366f14d;background-color:#6366f10f}.ribbon-icon-btn-vision:hover{background-color:#6366f126;border-color:#6366f180}.ribbon-icon-btn-danger{color:#ef4444}.ribbon-icon-btn-danger:hover{background-color:#ef444414;border-color:#ef44444d}@media (max-width: 1200px){.properties-ribbon{gap:6px;padding:0 10px}.ribbon-group-shrinkable .ribbon-group-title{display:none}.ribbon-field input{width:48px}.ribbon-divider{margin:0 1px}}.ocr-text-drawer{position:absolute;top:60px;left:24px;width:450px;background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-md);box-shadow:var(--shadow-lg),0 10px 25px #00000014;padding:16px;z-index:110;display:flex;flex-direction:column;gap:12px;animation:slideDown .2s cubic-bezier(.16,1,.3,1)}.export-dropdown{position:relative;display:inline-block}.export-dropdown-menu{position:absolute;top:100%;right:0;margin-top:8px;background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-sm);box-shadow:var(--shadow-md);min-width:200px;z-index:1000;padding:8px 0;display:flex;flex-direction:column}.export-dropdown-item{display:flex;align-items:center;gap:12px;padding:10px 16px;background:none;border:none;width:100%;text-align:left;font-family:var(--font-body);font-size:14px;color:var(--text-primary);cursor:pointer;transition:background-color .2s}.export-dropdown-item:hover{background-color:var(--bg-tertiary)}.sidebar-add-content-area{padding:16px;border-bottom:1px solid var(--border-color);background-color:var(--bg-primary)}.thumbnail-card .thumbnail-controls{opacity:0;transition:opacity .2s ease}.thumbnail-card:hover .thumbnail-controls,.thumbnail-card.active .thumbnail-controls{opacity:1}.crop-dim-region{position:absolute;background-color:#0000008c;pointer-events:none;z-index:90}.crop-selection-box{position:absolute;border:2px dashed var(--accent-cyan);cursor:move;box-sizing:border-box;z-index:91}.crop-handle{position:absolute;width:12px;height:12px;background-color:var(--accent-cyan);border-radius:50%;z-index:92;border:2px solid #ffffff;box-shadow:0 1px 3px #0000004d}.crop-handle-nw{top:-6px;left:-6px;cursor:nwse-resize}.crop-handle-ne{top:-6px;right:-6px;cursor:nesw-resize}.crop-handle-sw{bottom:-6px;left:-6px;cursor:nesw-resize}.crop-handle-se{bottom:-6px;right:-6px;cursor:nwse-resize}.crop-handle-n{top:-6px;left:calc(50% - 6px);cursor:ns-resize}.crop-handle-s{bottom:-6px;left:calc(50% - 6px);cursor:ns-resize}.crop-handle-w{left:-6px;top:calc(50% - 6px);cursor:ew-resize}.crop-handle-e{right:-6px;top:calc(50% - 6px);cursor:ew-resize}.crop-floating-toolbar{position:absolute;transform:translate(-50%,36px);display:flex;gap:10px;z-index:150;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:9999px;padding:8px 10px;box-shadow:0 4px 20px #0003,0 1px 6px #0000001a;pointer-events:auto}.crop-toolbar-btn{display:flex;align-items:center;gap:8px;padding:12px 24px;border:none;border-radius:9999px;font-size:15px;font-weight:600;cursor:pointer;transition:all .15s ease;white-space:nowrap}.crop-toolbar-cancel{background:transparent;color:var(--text-secondary)}.crop-toolbar-cancel:hover{background:var(--bg-tertiary);color:var(--text-primary)}.crop-toolbar-apply{background:var(--accent-cyan);color:#fff}.crop-toolbar-apply:hover{filter:brightness(1.1);box-shadow:0 2px 8px #00d2d34d}.mobile-bottom-nav,.mobile-sidebar-overlay{display:none}@media (max-width: 768px){.App{grid-template-columns:1fr;grid-template-rows:60px 1fr}.app-header{padding:0 16px;height:60px}.app-header-left,.header-actions{gap:8px}.btn-primary span,.btn-secondary span{display:none}.btn-primary svg,.btn-secondary svg{margin:0}.btn-primary,.btn-secondary{padding:8px}.canvas-header-actions span{display:none}.sidebar-left,.sidebar-right{position:fixed!important;top:0;bottom:0;z-index:1000;height:100vh;transition:transform .3s cubic-bezier(.16,1,.3,1);box-shadow:var(--shadow-lg)}.sidebar-left{left:0;width:280px;transform:translate(-100%)}.sidebar-right{right:0;width:320px;max-width:90vw;transform:translate(100%)}.sidebar-left.mobile-open,.sidebar-right.mobile-open{transform:translate(0)}.mobile-sidebar-overlay{display:block;position:fixed;top:0;left:0;right:0;bottom:0;background-color:#00000080;z-index:999;animation:fadeIn .3s ease}.main-workspace{grid-column:1;padding-bottom:70px}.mobile-bottom-nav{display:flex;position:fixed;bottom:0;left:0;right:0;height:70px;background-color:var(--bg-secondary);border-top:1px solid var(--border-color);z-index:990;justify-content:space-around;align-items:center;padding:0 16px;padding-bottom:env(safe-area-inset-bottom,0px);box-shadow:0 -4px 12px #0000000d}.mobile-nav-btn{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;background:transparent;border:none;color:var(--text-secondary);font-size:11px;font-weight:600;cursor:pointer;padding:8px 12px;transition:color .2s}.mobile-nav-btn.active,.mobile-nav-btn:active{color:var(--accent-cyan)}.mobile-nav-btn-main{transform:translateY(-20px);color:var(--text-primary)}.mobile-nav-btn-icon-wrapper{background-color:var(--accent-cyan);color:#fff;width:48px;height:48px;border-radius:24px;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 12px #00d2d366;margin-bottom:4px}.mobile-nav-btn-main:active .mobile-nav-btn-icon-wrapper{transform:scale(.95)}}