@import "https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap";:root{--accent:#6366f1;--accent-hover:#4f46e5;--danger:#ef4444;--shadow-panel:0 8px 32px 0 #0000004d;--glass-blur:blur(16px);--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--font-main:"Inter", sans-serif;--transition-fast:.2s ease}:root,[data-theme=dark]{--bg-app:#0f0f16;--bg-panel:#161620d1;--bg-input:#00000040;--bg-btn:#ffffff0d;--bg-btn-hover:#ffffff1f;--border-panel:#ffffff14;--border-btn-hover:#ffffff38;--text-primary:#fff;--text-secondary:#94a3b8;--canvas-bg:#1e1e2e;--grid-line:#ffffff08;--select-bg:#1a1a2e;--select-color:#fff;--shadow-canvas:0 20px 50px #0000008c;--resize-border:#fff;--scrollbar-thumb:#ffffff26;--scrollbar-thumb-hover:#ffffff4d;--scrollbar-track:#00000026}[data-theme=light]{--bg-app:#f0f2f8;--bg-panel:#ffffffd1;--bg-input:#0000000d;--bg-btn:#0000000a;--bg-btn-hover:#00000017;--border-panel:#0000001a;--border-btn-hover:#0003;--text-primary:#111827;--text-secondary:#6b7280;--canvas-bg:#fff;--grid-line:#0000000a;--select-bg:#fff;--select-color:#111827;--shadow-canvas:0 20px 50px #0000001f;--resize-border:#6366f1;--scrollbar-thumb:#0003;--scrollbar-thumb-hover:#00000059;--scrollbar-track:#0000000d}@media (prefers-color-scheme:light){:root:not([data-theme=dark]):not([data-theme=light]){--bg-app:#f0f2f8;--bg-panel:#ffffffd1;--bg-input:#0000000d;--bg-btn:#0000000a;--bg-btn-hover:#00000017;--border-panel:#0000001a;--border-btn-hover:#0003;--text-primary:#111827;--text-secondary:#6b7280;--canvas-bg:#fff;--grid-line:#0000000a;--select-bg:#fff;--select-color:#111827;--shadow-canvas:0 20px 50px #0000001f;--resize-border:#6366f1;--scrollbar-thumb:#0003;--scrollbar-thumb-hover:#00000059;--scrollbar-track:#0000000d}}*{box-sizing:border-box;scrollbar-width:thin;scrollbar-color:var(--scrollbar-thumb) var(--scrollbar-track);transition:background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);margin:0;padding:0}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--scrollbar-track);border-radius:var(--radius-sm)}::-webkit-scrollbar-thumb{background:var(--scrollbar-thumb);border-radius:var(--radius-sm)}::-webkit-scrollbar-thumb:hover{background:var(--scrollbar-thumb-hover)}body{background-color:var(--bg-app);color:var(--text-primary);font-family:var(--font-main);min-height:100vh;overflow:hidden auto}body.editor-active{width:100vw;height:100vh;overflow:hidden}body.editor-active #editor-ui{width:100%;height:calc(100% - 50px);margin-top:50px;display:flex}.glass{background:var(--bg-panel);-webkit-backdrop-filter:var(--glass-blur);border:1px solid var(--border-panel)}.app-logo{align-items:center;gap:8px;width:120px;height:50px;margin-bottom:16px;display:flex}.app-logo-icon{flex-shrink:0;width:36px;height:36px}.app-logo-text{flex-direction:column;gap:0;display:flex}.app-logo-name{color:var(--text-primary);font-size:14px;font-weight:600;line-height:1}.app-logo-name .accent{color:var(--accent)}.app-logo-subtitle{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.8px;font-size:9px}.panel{width:320px;height:100vh;box-shadow:var(--shadow-panel);z-index:10;flex-direction:column;flex-shrink:0;gap:24px;padding:24px;display:flex;overflow-y:auto}#sidebar{border-right:1px solid var(--border-panel)}#properties-panel{border-left:1px solid var(--border-panel)}#canvas-container{flex-direction:column;flex-grow:1;height:100vh;display:flex;position:relative;overflow:hidden}#canvas-topbar{background:var(--bg-panel);-webkit-backdrop-filter:var(--glass-blur);border-bottom:1px solid var(--border-panel);z-index:10;flex-shrink:0;justify-content:space-between;align-items:center;gap:8px;min-height:60px;padding:8px 16px;display:flex}.topbar-left,.topbar-right{align-items:center;gap:8px;display:flex}.topbar-divider{background:var(--border-panel);flex-shrink:0;width:1px;height:28px}.topbar-btn{color:var(--text-primary);cursor:pointer;border:1px solid var(--border-panel);background:#ffffff0f;border-radius:8px;justify-content:center;align-items:center;width:38px;height:38px;font-size:15px;transition:transform .15s,box-shadow .15s,background .15s;display:flex;box-shadow:0 2px 8px #0003}.topbar-btn:hover{background:var(--btn-hover-color,var(--accent));border-color:#ffffff40;transform:translateY(-2px);box-shadow:0 6px 16px #00000059}.topbar-btn.topbar-btn--disabled,.topbar-btn[disabled]{opacity:.35;pointer-events:none;cursor:default}.app-toast{color:#fff;font-size:14px;font-family:var(--font-main);z-index:1000;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);opacity:0;pointer-events:none;background:#14141ef2;border:1px solid #ffffff26;border-radius:10px;padding:10px 16px;transition:opacity .3s;position:fixed;bottom:100px;right:24px}.app-toast.app-toast--visible{opacity:1}#canvas-scroll-area{background-image:linear-gradient(var(--grid-line) 1px, transparent 1px), linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);background-position:50%;background-size:20px 20px;flex-grow:1;justify-content:center;align-items:center;padding:40px;display:flex;overflow:auto}#canvas{background-color:var(--canvas-bg);box-shadow:var(--shadow-canvas);transform-origin:50%;flex-shrink:0;position:relative;overflow:visible}.canvas-element{-webkit-user-select:none;user-select:none;cursor:grab;transform-origin:0 0;position:absolute}.canvas-element:active{cursor:grabbing}.canvas-element.selected{outline:2px solid var(--accent);outline-offset:2px}.tools-section{flex-direction:column;gap:10px;display:flex}.tool-btn{background:var(--bg-btn);border:1px solid var(--border-panel);color:var(--text-primary);border-radius:var(--radius-sm);cursor:pointer;font-family:var(--font-main);transition:var(--transition-fast);justify-content:space-between;align-items:center;padding:14px 16px;font-size:14px;font-weight:500;display:flex}.tool-btn:hover{background:var(--bg-btn-hover);border-color:var(--border-btn-hover);transform:translateY(-2px)}.empty-state{color:var(--text-secondary);text-align:center;margin-top:50px;font-size:14px}.property-group{flex-direction:column;gap:8px;display:flex}.property-group label{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;font-size:12px;font-weight:600}.property-input{background:var(--bg-input);border:1px solid var(--border-panel);color:var(--text-primary);border-radius:var(--radius-sm);font-family:var(--font-main);width:100%;transition:border-color var(--transition-fast);padding:10px 12px;font-size:14px}select.property-input option,select.property-input optgroup{background:var(--select-bg);color:var(--select-color);font-family:var(--font-main)}.property-input:focus{border-color:var(--accent);outline:none}.property-input[type=color]{cursor:pointer;height:42px;padding:2px}textarea.property-input{resize:vertical;min-height:80px}.row{gap:12px;display:flex}.row>div{flex:1}.btn-danger{color:var(--danger);border-radius:var(--radius-sm);cursor:pointer;font-family:var(--font-main);transition:var(--transition-fast);background:#ef44441a;border:1px solid #ef44444d;width:100%;margin-top:16px;padding:12px;font-weight:600}.btn-danger:hover{background:#ef444433}h2{margin-bottom:8px;font-size:1.25rem;font-weight:600}h3{color:var(--text-secondary);text-transform:uppercase;letter-spacing:1px;margin-top:12px;margin-bottom:12px;font-size:.85rem}hr{border:none;border-top:1px solid var(--border-panel);margin:8px 0}.resize-handle{background-color:var(--accent);border:2px solid var(--resize-border);cursor:nwse-resize;z-index:100;border-radius:50%;width:12px;height:12px;position:absolute;bottom:-6px;right:-6px;box-shadow:0 0 4px #00000080}.canvas-element img{-webkit-user-drag:none;-webkit-user-select:none;user-select:none}#theme-toggle{border-radius:var(--radius-sm);border:1px solid var(--border-panel);background:var(--bg-btn);width:100%;color:var(--text-primary);font-family:var(--font-main);cursor:pointer;transition:background var(--transition-fast), border-color var(--transition-fast), transform .15s;-webkit-user-select:none;user-select:none;flex-shrink:0;align-items:center;gap:10px;margin-top:auto;padding:12px 16px;font-size:14px;font-weight:500;display:flex}#theme-toggle:hover{background:var(--bg-btn-hover);border-color:var(--border-btn-hover);transform:translateY(-1px)}#theme-toggle .toggle-icon{font-size:18px;line-height:1}#theme-toggle .toggle-label{text-align:left;flex:1}.mobile-menu-btn{z-index:1000;background:var(--bg-btn);border:1px solid var(--border-panel);border-radius:var(--radius-sm);cursor:pointer;width:44px;height:44px;transition:background var(--transition-fast);touch-action:manipulation;pointer-events:auto;flex-direction:column;justify-content:center;align-items:center;gap:6px;padding:0;display:none;position:fixed;top:16px;left:16px}.mobile-props-btn{z-index:1000;background:var(--bg-btn);border:1px solid var(--border-panel);color:var(--text-primary);border-radius:var(--radius-sm);cursor:pointer;width:44px;height:44px;transition:background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);touch-action:manipulation;pointer-events:auto;justify-content:center;align-items:center;padding:0;display:none;position:fixed;top:16px;right:16px}.mobile-props-btn:hover{background:var(--bg-btn-hover)}.mobile-props-btn.active{background:var(--accent);color:#fff;border-color:var(--accent)}.mobile-menu-btn:hover{background:var(--bg-btn-hover)}.mobile-menu-btn span{background:var(--text-primary);border-radius:1px;width:20px;height:2px;transition:all .3s;display:block}.mobile-menu-btn.active span:first-child{transform:rotate(45deg)translate(8px,8px)}.mobile-menu-btn.active span:nth-child(2){opacity:0}.mobile-menu-btn.active span:nth-child(3){transform:rotate(-45deg)translate(8px,-8px)}.mobile-overlay{z-index:40;opacity:0;pointer-events:none;background:#00000080;transition:opacity .3s;display:none;position:fixed;inset:0}.mobile-overlay.active{opacity:1;pointer-events:auto}@media (width<=1024px){.panel{gap:16px;padding:16px}h2{font-size:1.1rem}h3{font-size:.75rem}.tool-btn{padding:12px 14px;font-size:13px}.property-input{padding:10px;font-size:13px}}@media (width<=768px){body{flex-direction:column;height:auto;min-height:100vh;overflow:auto}.mobile-menu-btn,.mobile-props-btn{display:flex}.mobile-overlay{display:block}#canvas-container{pointer-events:auto;flex-grow:1;order:2;width:100%;height:auto;min-height:60vh;padding-top:60px}#canvas-container:before{content:"";pointer-events:none;z-index:999;position:fixed;inset:0}.panel{z-index:50;width:100%;height:auto;max-height:60vh;box-shadow:var(--shadow-panel);border:none;border-radius:0;padding:16px;transition:transform .3s;position:fixed;top:0;left:0;transform:translate(-100%)}.panel.open{transform:translate(0)}#sidebar{border-right:1px solid var(--border-panel);border-left:none;max-height:100vh;top:60px;overflow-y:auto}#properties-panel{border-left:none;border-right:none;max-height:100vh;top:60px;overflow-y:auto;transform:translate(100%)}#properties-panel.open{transform:translate(0)}#canvas{max-width:95vw;max-height:55vh}#canvas-container{pointer-events:auto}#canvas-container:before{content:"";z-index:999;pointer-events:none;width:70px;height:70px;position:fixed;top:0;left:0}#canvas-topbar{width:100%;margin:8px 0;position:relative}.tool-btn,.property-input,button,input{min-height:44px;padding:12px;font-size:14px}.property-input{padding:12px}h2{margin-bottom:12px;font-size:1rem}h3{font-size:.7rem}h1{font-size:1.5rem}.empty-state{margin-top:30px;font-size:13px}.panel-close-btn{color:var(--text-primary);cursor:pointer;background:0 0;border:none;justify-content:center;align-items:center;width:44px;height:44px;padding:8px;font-size:24px;display:flex;position:absolute;top:12px;right:12px}}@media (width<=480px){:root{font-size:14px}.mobile-menu-btn{width:40px;height:40px;top:12px;left:12px}.mobile-props-btn{width:40px;height:40px;top:12px;right:12px}.panel{gap:12px;padding:12px}#canvas-container{min-height:50vh;padding-top:56px}#canvas{max-width:100%;max-height:48vh}.tool-btn,.property-input,button,input{min-height:40px;padding:10px;font-size:13px}h2{font-size:.95rem}h3{font-size:.65rem}.property-group{gap:6px}.tools-section{gap:8px}#shape-grid{grid-template-columns:repeat(2,1fr)!important}}@media (height<=600px){.panel{max-height:90vh}#canvas-container{min-height:80vh}#canvas{max-height:70vh}}@media (-webkit-device-pixel-ratio>=2),(resolution>=192dpi){.resize-handle,.mobile-menu-btn span{will-change:transform}}.landing-header{z-index:100;border-bottom:1px solid var(--border-panel);align-items:center;height:70px;display:flex;position:sticky;top:0;left:0;right:0;box-shadow:0 4px 20px #00000026}.header-container{justify-content:space-between;align-items:center;width:100%;max-width:1200px;margin:0 auto;padding:0 24px;display:flex}.header-logo{align-items:center;gap:10px;text-decoration:none;display:flex}.header-logo-icon{flex-shrink:0;width:38px;height:38px}.header-logo-text{color:var(--text-primary);letter-spacing:-.5px;font-size:20px;font-weight:700}.header-logo-text .accent{color:var(--accent)}.header-nav{align-items:center;gap:24px;display:flex}.nav-link{color:var(--text-secondary);transition:color var(--transition-fast);border-bottom:2px solid #0000;padding:8px 0;font-size:14px;font-weight:500;text-decoration:none}.nav-link:hover{color:var(--text-primary)}.nav-link.active{color:var(--accent);border-bottom-color:var(--accent)}.nav-btn{background:var(--accent);color:#fff;border-radius:var(--radius-sm);transition:background var(--transition-fast), transform var(--transition-fast);padding:10px 18px;font-size:14px;font-weight:600;text-decoration:none;display:inline-block}.nav-btn:hover{background:var(--accent-hover);transform:translateY(-2px)}.theme-btn-landing{background:var(--bg-btn);border:1px solid var(--border-panel);color:var(--text-primary);cursor:pointer;width:40px;height:40px;transition:background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);border-radius:50%;justify-content:center;align-items:center;font-size:18px;display:flex}.theme-btn-landing:hover{background:var(--bg-btn-hover);border-color:var(--border-btn-hover);transform:scale(1.08)}.landing-view{max-width:1200px;margin:0 auto;padding:40px 24px 80px}.hero-section{grid-template-columns:1.1fr .9fr;align-items:center;gap:48px;min-height:calc(85vh - 70px);padding:40px 0;display:grid}.hero-content{flex-direction:column;align-items:flex-start;gap:20px;display:flex}.hero-badge{color:var(--accent);text-transform:uppercase;letter-spacing:1px;background:#6366f11f;border:1px solid #6366f140;border-radius:20px;padding:6px 14px;font-size:12px;font-weight:600;display:inline-block}.hero-title{letter-spacing:-1.5px;color:var(--text-primary);font-size:48px;font-weight:800;line-height:1.15}.gradient-text{background:linear-gradient(135deg, var(--accent) 30%, #a78bfa 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.hero-subtitle{color:var(--text-secondary);max-width:540px;font-size:18px;line-height:1.6}.hero-actions{gap:16px;margin-top:8px;display:flex}.btn{border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition-fast);border:none;justify-content:center;align-items:center;min-height:48px;padding:14px 28px;font-size:16px;font-weight:600;text-decoration:none;display:inline-flex}.btn-primary{background:var(--accent);color:#fff;box-shadow:0 4px 16px #6366f14d}.btn-primary:hover{background:var(--accent-hover);transform:translateY(-2px);box-shadow:0 8px 24px #6366f166}.btn-secondary{background:var(--bg-btn);color:var(--text-primary);border:1px solid var(--border-panel)}.btn-secondary:hover{background:var(--bg-btn-hover);border-color:var(--border-btn-hover);transform:translateY(-2px)}.hero-visual{justify-content:center;align-items:center;display:flex;position:relative}.visual-card{aspect-ratio:4/3;border-radius:var(--radius-md);border:1px solid var(--border-panel);width:100%;max-width:440px;overflow:hidden;box-shadow:0 20px 50px #0000004d}.visual-header{border-bottom:1px solid var(--border-panel);background:#00000026;align-items:center;gap:6px;height:36px;padding:0 16px;display:flex}.visual-header .dot{border-radius:50%;width:10px;height:10px}.visual-header .dot.red{background-color:#ef4444}.visual-header .dot.yellow{background-color:#f59e0b}.visual-header .dot.green{background-color:#10b981}.visual-title{color:var(--text-secondary);margin-left:auto;font-family:monospace;font-size:11px}.visual-body{background:var(--canvas-bg);justify-content:center;align-items:center;height:calc(100% - 36px);padding:24px;display:flex}.mock-canvas{background:var(--bg-app);border:1px dashed var(--border-panel);border-radius:var(--radius-sm);width:100%;height:100%;position:relative;overflow:hidden;box-shadow:inset 0 0 20px #0003}.mock-element{font-family:var(--font-main);border-radius:4px;justify-content:center;align-items:center;display:flex;position:absolute}.element-title{background:var(--accent);color:#fff;height:32px;font-size:14px;font-weight:700;animation:4s ease-in-out infinite mockFloat;top:15px;left:15px;right:15px;box-shadow:0 4px 10px #6366f14d}.element-shape.rect{background:#ffffff0d;border:2px solid #ffffff1a;width:100px;height:80px;animation:6s ease-in-out infinite alternate mockSlide;top:65px;left:20px}.element-shape.circle{background:linear-gradient(135deg,#f59e0b,#ef4444);border-radius:50%;width:70px;height:70px;animation:5s ease-in-out infinite mockFloat2;top:70px;right:30px;box-shadow:0 6px 15px #ef44444d}.element-sticker{font-size:40px;animation:3s ease-in-out infinite mockPulse;top:110px;left:150px}.element-text-sub{height:24px;color:var(--text-primary);background:#ffffff0a;border-left:3px solid #10b981;justify-content:flex-start;padding-left:8px;font-size:11px;font-weight:500;bottom:20px;left:20px;right:20px}@keyframes mockFloat{0%,to{transform:translateY(0)}50%{transform:translateY(-4px)}}@keyframes mockFloat2{0%,to{transform:translateY(0)rotate(0)}50%{transform:translateY(-6px)rotate(15deg)}}@keyframes mockSlide{0%{transform:translate(0)}to{transform:translate(12px)}}@keyframes mockPulse{0%,to{transform:scale(1)}50%{transform:scale(1.15)}}.section-title{text-align:center;color:var(--text-primary);letter-spacing:-.5px;margin-bottom:8px;font-size:32px;font-weight:700}.section-subtitle{text-align:center;color:var(--text-secondary);margin-bottom:40px;font-size:16px}.features-section{border-top:1px solid var(--border-panel);padding:60px 0}.features-grid{grid-template-columns:repeat(3,1fr);gap:24px;display:grid}.feature-card{border-radius:var(--radius-md);flex-direction:column;align-items:flex-start;gap:14px;padding:30px;transition:transform .25s,border-color .25s,box-shadow .25s;display:flex}.feature-card:hover{border-color:#6366f14d;transform:translateY(-5px);box-shadow:0 10px 30px #00000026}.card-icon{font-size:28px;line-height:1}.feature-card h3{color:var(--text-primary);font-size:18px;font-weight:600}.feature-card p{color:var(--text-secondary);font-size:14px;line-height:1.5}.usecases-section{border-top:1px solid var(--border-panel);padding:60px 0}.usecases-list{grid-template-columns:repeat(4,1fr);gap:20px;display:grid}.usecase-item{border-radius:var(--radius-md);flex-direction:column;align-items:flex-start;gap:12px;padding:24px;transition:transform .25s;display:flex}.usecase-item:hover{transform:translateY(-4px)}.usecase-badge{border:1px solid var(--border-panel);color:var(--text-primary);text-transform:uppercase;letter-spacing:.5px;background:#ffffff0d;border-radius:12px;padding:4px 10px;font-size:10px;font-weight:600}.usecase-item h3{color:var(--text-primary);font-size:16px;font-weight:600}.usecase-item p{color:var(--text-secondary);font-size:13px;line-height:1.5}.products-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px;display:grid}.product-card{border-radius:var(--radius-md);flex-direction:column;align-items:flex-start;gap:12px;padding:28px;transition:transform .25s,border-color .25s,box-shadow .25s;display:flex;position:relative;overflow:hidden}.product-card:hover{border-color:#6366f166;transform:translateY(-5px);box-shadow:0 10px 30px #0000002e}.product-icon{margin-bottom:4px;font-size:32px;line-height:1}.product-card h3{color:var(--text-primary);font-size:18px;font-weight:600}.product-card p{color:var(--text-secondary);margin-bottom:8px;font-size:13.5px;line-height:1.5}.product-link{color:var(--accent);transition:color var(--transition-fast), transform var(--transition-fast);align-items:center;gap:4px;margin-top:auto;font-size:13.5px;font-weight:600;text-decoration:none;display:inline-flex}.product-link:hover{color:var(--accent-hover);transform:translate(4px)}.guide-section{border-top:1px solid var(--border-panel);padding:60px 0}.guide-container{border-radius:var(--radius-lg);padding:48px}.guide-container h2{margin-bottom:16px;font-size:28px;line-height:1.25}.guide-container h3{text-transform:none;letter-spacing:0;color:var(--text-primary);margin-top:28px;margin-bottom:10px;font-size:18px;font-weight:600}.guide-container p{color:var(--text-secondary);margin-bottom:16px;font-size:15px;line-height:1.65}.faq-section{border-top:1px solid var(--border-panel);padding:60px 0}.faq-list{flex-direction:column;gap:16px;max-width:800px;margin:0 auto;display:flex}.faq-item{border-radius:var(--radius-md);transition:border-color var(--transition-fast);overflow:hidden}.faq-question{cursor:pointer;-webkit-user-select:none;user-select:none;justify-content:space-between;align-items:center;padding:20px 24px;display:flex}.faq-question h4{color:var(--text-primary);font-size:15px;font-weight:600}.faq-arrow{color:var(--text-secondary);font-size:10px;transition:transform .3s}.faq-item.active{border-color:#6366f14d}.faq-item.active .faq-arrow{transform:rotate(180deg)}.faq-answer{max-height:0;transition:max-height .3s ease-out;overflow:hidden}.faq-answer 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