:root{--gray-50: #fafafa;--gray-100: #f4f4f5;--gray-200: #e4e4e7;--gray-300: #d4d4d8;--gray-400: #a1a1aa;--gray-500: #71717a;--gray-600: #52525b;--gray-700: #3f3f46;--gray-800: #27272a;--gray-900: #18181b;--gray-950: #09090b;--color-bg: var(--gray-100);--color-surface: #ffffff;--color-surface-raised: #ffffff;--color-surface-overlay: #ffffff;--color-border: var(--gray-300);--color-border-subtle: var(--gray-200);--color-border-strong: var(--gray-400);--color-border-focus: var(--gray-900);--color-text: var(--gray-900);--color-text-secondary: var(--gray-600);--color-text-muted: var(--gray-500);--color-text-inverse: #ffffff;--space-0: 0;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 20px;--space-6: 24px;--space-8: 32px;--space-10: 40px;--space-12: 48px;--text-xs: .75rem;--text-sm: .875rem;--text-base: 1rem;--text-lg: 1.125rem;--text-xl: 1.5rem;--text-2xl: 1.875rem;--font-normal: 400;--font-medium: 500;--font-semibold: 600;--leading-tight: 1.25;--leading-normal: 1.5;--tracking-tight: -.025em;--tracking-normal: 0;--tracking-wide: .05em;--radius-sm: 4px;--radius-md: 6px;--radius-lg: 8px;--radius-xl: 12px;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--shadow-xl: 0 20px 25px -5px rgb(0 0 0 / .1), 0 8px 10px -6px rgb(0 0 0 / .1);--glass-bg: rgba(255, 255, 255, .7);--glass-bg-hover: rgba(255, 255, 255, .85);--glass-bg-active: rgba(255, 255, 255, .9);--glass-border: rgba(255, 255, 255, .5);--glass-border-hover: rgba(255, 255, 255, .7);--glass-blur: 12px;--glass-shadow: 0 4px 24px rgba(0, 0, 0, .08);--glass-shadow-lg: 0 8px 32px rgba(0, 0, 0, .12);--ease-out: cubic-bezier(.16, 1, .3, 1);--duration-fast: .15s;--duration-normal: .2s;--duration-slow: .3s}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html,body{width:100%;height:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:var(--text-base);font-weight:var(--font-normal);line-height:var(--leading-normal);color:var(--color-text);background:var(--gray-200);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#app{position:fixed;top:0;left:0;width:100vw;height:100vh;display:flex;flex-direction:row;overflow:hidden}#sidebar{width:320px;min-width:320px;max-width:320px;flex-shrink:0;flex-grow:0;display:flex;flex-direction:column;gap:var(--space-4);padding:var(--space-6);overflow-y:auto;background:var(--glass-bg);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));border-right:1px solid var(--glass-border);box-shadow:var(--glass-shadow)}#viewer-frame{flex:1 1 auto;min-width:0;position:relative;overflow:hidden}#canvas-container{position:absolute;inset:0}#canvas-container canvas{display:block;width:100%!important;height:100%!important}h1{font-size:var(--text-xl);font-weight:var(--font-semibold);letter-spacing:var(--tracking-tight);color:var(--color-text)}.description{font-size:var(--text-sm);line-height:var(--leading-normal);color:var(--color-text-secondary)}.description-muted{color:var(--color-text-muted)}.description a{color:var(--color-text);text-decoration:underline;text-underline-offset:2px;transition:color var(--duration-fast) var(--ease-out)}.description a:hover{color:var(--color-text-secondary)}.github-link{position:fixed;bottom:var(--space-6);left:var(--space-6);display:inline-flex;color:var(--color-text-muted);transition:color var(--duration-fast) var(--ease-out);z-index:10}.github-link:hover{color:var(--color-text-secondary)}.instructions{font-size:var(--text-sm);color:var(--color-text-secondary);line-height:var(--leading-normal)}.instructions .separator{display:inline;margin:0 var(--space-1);color:var(--color-text-muted)}#controls{display:flex;flex-direction:column;gap:var(--space-4);align-items:flex-start}.control-group{display:flex;flex-direction:column;gap:var(--space-2)}.control-group-label{font-size:var(--text-xs);font-weight:var(--font-semibold);text-transform:uppercase;letter-spacing:var(--tracking-wide);color:var(--color-text-muted)}.control-group-content{display:flex;flex-direction:column;gap:var(--space-2);align-items:flex-start}.button-group{display:flex;gap:var(--space-2);align-items:center}button{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);padding:var(--space-2) var(--space-4);font-family:inherit;font-size:var(--text-base);font-weight:var(--font-medium);line-height:var(--leading-tight);border-radius:var(--radius-md);cursor:pointer;background:var(--glass-bg);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid var(--color-border);color:var(--color-text);transition:background-color var(--duration-fast) var(--ease-out),border-color var(--duration-fast) var(--ease-out),color var(--duration-fast) var(--ease-out),box-shadow var(--duration-fast) var(--ease-out),transform var(--duration-fast) var(--ease-out);-webkit-user-select:none;user-select:none}button:hover:not(:disabled){background:var(--glass-bg-hover);border-color:var(--color-border-strong);box-shadow:var(--glass-shadow)}button:active:not(:disabled){background:var(--glass-bg-active);transform:scale(.98)}button:focus-visible{outline:2px solid var(--color-border-focus);outline-offset:2px}button:disabled{opacity:.4;cursor:not-allowed;pointer-events:none}.btn-primary{background:var(--gray-900);color:var(--color-text-inverse);border:1px solid var(--gray-900);font-weight:var(--font-semibold)}.btn-primary:hover:not(:disabled){background:var(--gray-800);border-color:var(--gray-800)}.btn-primary:active:not(:disabled){background:var(--gray-950);border-color:var(--gray-950);transform:scale(.98)}.btn-secondary{background:var(--glass-bg);border-color:var(--color-border)}.btn-secondary:hover:not(:disabled){background:var(--glass-bg-hover);border-color:var(--color-border-strong)}.btn-secondary:active:not(:disabled){background:var(--glass-bg-active);transform:scale(.98)}.btn-ghost{background:transparent;border-color:transparent;color:var(--color-text-secondary)}.btn-ghost:hover:not(:disabled){background:#0000000d;color:var(--color-text)}.btn-ghost:active:not(:disabled){background:#00000014}.btn-sm{padding:var(--space-1) var(--space-3);font-size:var(--text-sm)}select{appearance:none;padding:var(--space-2) var(--space-8) var(--space-2) var(--space-3);min-width:160px;font-family:inherit;font-size:var(--text-base);font-weight:var(--font-normal);line-height:var(--leading-tight);color:var(--color-text);background-color:var(--glass-bg);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2371717a' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right var(--space-3) center;background-size:12px;border:1px solid var(--color-border);border-radius:var(--radius-md);cursor:pointer;transition:background-color var(--duration-fast) var(--ease-out),border-color var(--duration-fast) var(--ease-out),box-shadow var(--duration-fast) var(--ease-out)}select:hover:not(:disabled){background-color:var(--glass-bg-hover);border-color:var(--color-border-strong)}select:focus-visible{outline:2px solid var(--color-border-focus);outline-offset:2px}select:disabled{opacity:.4;cursor:not-allowed}#file-loader{display:flex;align-items:center;justify-content:center;gap:var(--space-2);padding:var(--space-4) var(--space-5);background:var(--glass-bg);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:2px dashed var(--color-border);border-radius:var(--radius-lg);color:var(--color-text-secondary);font-size:var(--text-sm);cursor:pointer;transition:background-color var(--duration-normal) var(--ease-out),border-color var(--duration-normal) var(--ease-out),color var(--duration-normal) var(--ease-out)}#file-loader:hover{background:var(--glass-bg-hover);border-color:var(--color-border-strong);color:var(--color-text)}#file-loader.drag-over{background:var(--glass-bg-active);border-color:var(--gray-900);border-style:solid;color:var(--color-text)}#file-input{display:none}#advanced-settings-container{position:relative}#advanced-toggle{display:flex;align-items:center;gap:var(--space-1)}#advanced-toggle .chevron{font-size:10px;transition:transform var(--duration-normal) var(--ease-out);display:inline-block}#advanced-toggle.expanded .chevron{transform:rotate(180deg)}#advanced-panel{position:absolute;bottom:calc(100% + var(--space-2));left:0;z-index:100;display:flex;flex-direction:column;gap:var(--space-3);padding:var(--space-4);min-width:340px;background:var(--glass-bg);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--glass-shadow-lg)}#advanced-panel.collapsed{display:none}.param-row{display:flex;align-items:center;gap:var(--space-3)}.param-row label{flex:0 0 110px;font-size:var(--text-sm);font-weight:var(--font-medium);color:var(--color-text-secondary)}input[type=number]{width:65px;padding:var(--space-1) var(--space-2);font-family:inherit;font-size:var(--text-sm);font-weight:var(--font-normal);text-align:center;color:var(--color-text);background:var(--glass-bg);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);border:1px solid var(--color-border);border-radius:var(--radius-sm);transition:background-color var(--duration-fast) var(--ease-out),border-color var(--duration-fast) var(--ease-out),box-shadow var(--duration-fast) var(--ease-out);-moz-appearance:textfield}input[type=number]::-webkit-inner-spin-button,input[type=number]::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}input[type=number]:hover:not(:disabled){background:var(--glass-bg-hover);border-color:var(--color-border-strong)}input[type=number]:focus-visible{outline:2px solid var(--color-border-focus);outline-offset:2px}input[type=number]:disabled{opacity:.4;cursor:not-allowed}#reset-params-btn{align-self:flex-start;margin-top:var(--space-1);padding:var(--space-1) var(--space-3);font-size:var(--text-sm);background:var(--gray-100);color:var(--color-text-secondary);border:1px solid var(--color-border-subtle)}#reset-params-btn:hover:not(:disabled){background:var(--gray-200);color:var(--color-text);border-color:var(--color-border)}#loading{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);display:none;flex-direction:column;align-items:center;gap:var(--space-4);color:var(--color-text-secondary);font-size:var(--text-sm)}#loading.visible{display:flex}.spinner{width:32px;height:32px;border:2px solid var(--gray-200);border-top-color:var(--gray-900);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@supports not (backdrop-filter: blur(12px)){#sidebar,#advanced-panel{background:#fffffff2}}