:root{--bg: #0e0e12;--surface: #16161d;--surface2: #1e1e28;--border: #2a2a38;--text: #e8e8f0;--text-muted: #7a7a9a;--accent: #7c3aed;--accent-hover: #6d28d9;--accent-soft: rgba(124, 58, 237, .12);--color-deep: #0c070f;--color-dark: #150a1a;--color-base: #1a0f20;--color-medium: #2a1530;--color-accent: #3a2540;--color-gradient-1: #4a2560;--color-gradient-2: #5a3570;--color-gradient-3: #6a3590;--color-gradient-4: #7a45a0;--color-text: #c8b8d8;--color-text-light: #cdb7e4;--color-orange: #e7762b;--color-orange-dark: #d66420;--color-white: #ffffff;--color-black: #000000;--color-success: #10b981;--color-warning: #f59e0b;--color-error: #ef4444;--color-error-dark: #dc2626;--color-surface: var(--surface);--color-surface-elevated: var(--surface2);--color-border: var(--border);--color-text-primary: var(--text);--color-text-secondary: var(--text-muted);--color-primary: var(--accent);--color-primary-dark: var(--accent-hover);--color-danger: var(--color-error);--color-danger-dark: var(--color-error-dark);--gradient-primary: linear-gradient(135deg, #4a2560 0%, #7a45a0 100%);--gradient-secondary: linear-gradient(135deg, #e7762b 0%, #f59e0b 100%);--gradient-hero: linear-gradient(135deg, #0c070f 0%, #2a1530 50%, #4a2560 100%);--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 3rem;--spacing-3xl: 4rem;--spacing-4xl: 6rem;--spacing-5xl: 8rem;--spacing-responsive-sm: clamp(.5rem, 2vw, 1rem);--spacing-responsive-md: clamp(1rem, 4vw, 2rem);--spacing-responsive-lg: clamp(1.5rem, 6vw, 3rem);--spacing-responsive-xl: clamp(2rem, 8vw, 4rem);--font-size-xs: clamp(.75rem, 2vw, .875rem);--font-size-sm: clamp(.875rem, 2.5vw, 1rem);--font-size-md: clamp(1rem, 3vw, 1.125rem);--font-size-lg: clamp(1.125rem, 3.5vw, 1.25rem);--font-size-xl: clamp(1.25rem, 4vw, 1.5rem);--font-size-2xl: clamp(1.5rem, 5vw, 2rem);--font-size-3xl: clamp(2rem, 6vw, 3rem);--font-primary: "Poppins", system-ui, -apple-system, BlinkMacSystemFont, 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.1), 0 .25rem .375rem -.125rem rgba(0, 0, 0, .05);--shadow-xl: 0 1.25rem 1.5625rem -.3125rem rgba(0, 0, 0, .1), 0 .625rem .625rem -.3125rem rgba(0, 0, 0, .04);--shadow-purple: 0 .625rem .9375rem -.1875rem rgba(106, 53, 144, .3), 0 .25rem .375rem -.125rem rgba(106, 53, 144, .15);--shadow-orange: 0 .625rem .9375rem -.1875rem rgba(231, 118, 43, .3), 0 .25rem .375rem -.125rem rgba(231, 118, 43, .15);--transition-fast: .15s ease;--transition-normal: .3s ease;--transition-slow: .5s ease}*,*:before,*:after{box-sizing:border-box}*{margin:0;padding:0}body{font-family:var(--font-primary);background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}.app{display:flex;flex-direction:column;min-height:100vh;background:var(--bg)}.main-content{display:flex;flex:1;height:calc(100vh - var(--size-lg));overflow:hidden;transition:all var(--transition-normal)}::-webkit-scrollbar{width:.5rem;height:.5rem}::-webkit-scrollbar-track{background:var(--surface)}::-webkit-scrollbar-thumb{background:var(--border);border-radius:var(--radius-sm)}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.topbar{display:flex;align-items:center;justify-content:space-between;gap:var(--spacing-md);padding:.875rem 1.5rem;background:var(--surface);border-bottom:.0625rem solid var(--border);position:sticky;top:0;z-index:100}.topbar-brand{display:inline-flex;align-items:center;gap:.625rem;text-decoration:none;min-width:0}.topbar-logo{height:2.25rem;width:auto;display:block;object-fit:contain;filter:brightness(1.05)}.topbar-name{font-weight:700;font-size:.9375rem;color:var(--text);white-space:nowrap}.topbar-tool{font-size:.8125rem;color:var(--text-muted);padding-left:.625rem;border-left:.0625rem solid 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var(--border);min-width:0}.topbar-project-title{font-size:.8125rem;font-weight:600;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:18rem}.topbar-project-stats{font-size:.75rem;color:var(--text-muted);white-space:nowrap}.topbar-actions{display:inline-flex;align-items:center;gap:.625rem;flex-wrap:wrap;justify-content:flex-end}.btn{display:inline-flex;align-items:center;gap:.4375rem;padding:.5rem 1rem;border-radius:var(--radius-sm);font-size:.8125rem;font-weight:600;font-family:inherit;cursor:pointer;border:.0625rem solid transparent;background:transparent;color:var(--text-muted);text-decoration:none;line-height:1;transition:background var(--transition-fast),color var(--transition-fast),border-color var(--transition-fast),transform var(--transition-fast)}.btn 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h3{font-size:.6875rem;font-weight:700;letter-spacing:.075rem;text-transform:uppercase;color:var(--text-muted);margin-bottom:var(--spacing-xs)}.sidebar-header p{font-size:var(--font-size-sm);color:var(--text)}.categories{display:flex;flex-wrap:wrap;gap:var(--spacing-xs);padding:var(--spacing-md);border-bottom:.0625rem solid var(--border)}.category-button{display:inline-flex;align-items:center;gap:var(--spacing-xs);padding:var(--spacing-xs) var(--spacing-sm);background:var(--surface2);border:.0625rem solid var(--border);border-radius:var(--radius-sm);color:var(--text-muted);font-size:var(--font-size-xs);font-family:inherit;cursor:pointer;transition:all var(--transition-fast);line-height:1}.category-button 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.btn{width:100%;justify-content:center}}.notification{position:fixed;bottom:var(--spacing-md);right:var(--spacing-md);padding:var(--spacing-md);background-color:var(--color-success);color:var(--color-white);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);z-index:1001;font-size:var(--font-size-sm)}.error-boundary{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:var(--spacing-xl);background:var(--bg)}.error-boundary-content{max-width:32rem;width:100%;padding:var(--spacing-2xl);background:var(--surface);border:.0625rem solid var(--border);border-radius:var(--radius-md);text-align:center;box-shadow:var(--shadow-xl)}.error-boundary-icon{display:inline-flex;align-items:center;justify-content:center;margin-bottom:var(--spacing-md);color:var(--color-warning)}.error-boundary-content h2{color:var(--text);font-size:var(--font-size-2xl);margin-bottom:var(--spacing-sm)}.error-boundary-content p{color:var(--text-muted);margin-bottom:var(--spacing-lg)}.error-boundary-message{text-align:left;background:var(--surface2);border:.0625rem solid var(--border);border-radius:var(--radius-sm);padding:var(--spacing-md);color:var(--color-error);font-family:var(--font-mono);font-size:var(--font-size-xs);white-space:pre-wrap;word-break:break-word;margin-bottom:var(--spacing-lg);max-height:12rem;overflow:auto}.error-boundary-actions{display:flex;justify-content:center;gap:var(--spacing-sm);flex-wrap:wrap}@keyframes fadeInUp{0%{opacity:0;transform:translateY(1.25rem)}to{opacity:1;transform:translateY(0)}}@keyframes slideInLeft{0%{opacity:0;transform:translate(-1.25rem)}to{opacity:1;transform:translate(0)}}@keyframes bounce{0%,20%,53%,80%,to{transform:translateY(0)}40%,43%{transform:translateY(-.5rem)}70%{transform:translateY(-.25rem)}90%{transform:translateY(-.125rem)}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.fade-in-up{animation:fadeInUp .6s 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16rem)}.canvas{min-width:clamp(18rem,40vw,22rem)}.section-wrapper:first-child{padding-top:var(--spacing-xl)}.main-content.with-properties .canvas{min-width:clamp(16rem,35vw,20rem);max-width:calc(100vw - var(--sidebar-width) - var(--properties-panel-width))}}@media (max-width: 63.9375rem) and (min-width: 56.25rem){:root{--sidebar-width: 100%;--properties-panel-width: 100%}.main-content{flex-direction:column;height:auto}.sidebar{width:100%;height:clamp(10rem,20vh,12rem);border-right:none;border-bottom:.0625rem solid var(--color-accent)}.properties-panel{width:100%;height:clamp(12rem,25vh,16rem);border-left:none;border-top:.0625rem solid var(--color-accent);order:3}.canvas{order:2;min-height:clamp(20rem,50vh,30rem)}}@media (max-width: 56.1875rem) and (min-width: 48rem){.header-content{flex-direction:column;gap:var(--spacing-responsive-sm);align-items:stretch;padding:var(--spacing-sm)}.header-left{justify-content:center}.header-actions{justify-content:center;flex-wrap:wrap;gap:var(--spacing-xs)}.main-content{flex-direction:column;height:auto}.sidebar{width:100%;height:clamp(10rem,25vh,14rem);border-right:none;border-bottom:.0625rem solid var(--color-accent)}.properties-panel{width:100%;height:clamp(12rem,30vh,18rem);border-left:none;border-top:.0625rem solid var(--color-accent)}.canvas{min-height:clamp(18rem,45vh,25rem)}}@media (max-width: 47.9375rem){:root{--spacing-responsive-sm: clamp(.25rem, 3vw, .75rem);--spacing-responsive-md: clamp(.5rem, 4vw, 1rem);--font-size-xs: clamp(.7rem, 3vw, .85rem);--font-size-sm: clamp(.8rem, 3.5vw, .95rem)}.header-content{flex-direction:column;gap:var(--spacing-responsive-sm);align-items:stretch;padding:var(--spacing-sm)}.header-left{justify-content:center}.header-actions{justify-content:center;flex-wrap:wrap;gap:var(--spacing-xs)}.main-content{flex-direction:column;height:auto}.sidebar{width:100%;height:clamp(8rem,20vh,12rem);border-right:none;border-bottom:.0625rem solid var(--color-accent)}.properties-panel{width:100%;height:clamp(10rem,25vh,16rem);border-left:none;border-top:.0625rem solid var(--color-accent)}.canvas{min-height:clamp(16rem,50vh,24rem)}.canvas-header{padding:var(--spacing-responsive-sm)}.canvas-title h2{font-size:var(--font-size-lg)}.canvas-actions{flex-wrap:wrap;gap:var(--spacing-xs)}.preview-content{width:98vw;height:98vh;margin:1vh 1vw}.preview-header{padding:var(--spacing-responsive-sm);flex-direction:column;gap:var(--spacing-responsive-sm);align-items:stretch}.preview-controls{justify-content:center;flex-wrap:wrap;gap:var(--spacing-xs)}.preview-controls .action-button.secondary{font-size:var(--font-size-xs);padding:var(--spacing-xs) var(--spacing-sm)}}@media (-webkit-min-device-pixel-ratio: 2),(min-resolution: 192dpi){:root{--border-width: .03125rem}.header,.sidebar,.properties-panel{border-width:var(--border-width)}}@media (prefers-color-scheme: dark){:root{color-scheme:dark}}@supports (container-type: inline-size){.canvas{container-type:inline-size}@container (min-width: 30rem){.section-toolbar{flex-direction:row;justify-content:space-between}}@container (max-width: 30rem){.section-toolbar{flex-direction:column;gap:var(--spacing-xs)}}}