:root{--font-display: "Space Grotesk", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--font-monospace: "Fira Code", "Cascadia Code", Consolas, monospace;--surface: #0e0e10;--surface-container-lowest: #000000;--surface-container-low: #131315;--surface-container: #19191c;--surface-container-high: #1f1f22;--surface-container-highest: #262528;--primary: #a3a6ff;--primary-container: #9396ff;--secondary: #a28efc;--on-surface: #f6f3f5;--on-surface-variant: #acaaad;--on-primary: #000000;--outline-variant: #48474a;--shadow-ambient: 0 4px 40px rgba(246, 243, 245, .04);--shadow-ambient-high: 0 8px 80px rgba(246, 243, 245, .08);--radius-sm: .25rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--radius-full: 9999px;--canvas-grid-color: rgba(255, 255, 255, .02);--canvas-dot-color: rgba(255, 255, 255, .04);--bp-sm: 600px;--bp-md: 900px;--bp-lg: 1200px}*,*:before,*:after{box-sizing:border-box}html,body{margin:0;padding:0;width:100vw;height:100vh;overflow:hidden;background-color:var(--surface);color:var(--on-surface);font-family:var(--font-body);font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;-webkit-text-size-adjust:100%}.shell-container{padding-top:env(safe-area-inset-top);padding-right:env(safe-area-inset-right);padding-bottom:env(safe-area-inset-bottom);padding-left:env(safe-area-inset-left)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background-color:var(--surface-container-highest);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background-color:var(--outline-variant)}h1,.display-lg{font-family:var(--font-display);font-size:3rem;font-weight:500;letter-spacing:-.02em;margin:0;line-height:1.2}h2,.display-md{font-family:var(--font-display);font-size:2rem;font-weight:500;letter-spacing:-.01em;margin:0}h3,.body-lg{font-family:var(--font-body);font-size:1.125rem;font-weight:500;margin:0}p,.body-md{font-family:var(--font-body);font-size:1rem;color:var(--on-surface-variant);margin:0}.body-sm{font-family:var(--font-body);font-size:.875rem;color:var(--on-surface-variant)}.label-md{font-family:var(--font-body);font-size:.875rem;font-weight:600;text-transform:uppercase;letter-spacing:.1em}code,pre{font-family:var(--font-monospace);background:var(--surface-container-highest);border-radius:var(--radius-sm);font-size:.875em;padding:.2em .4em}a{color:var(--primary);text-decoration:none;transition:opacity .2s ease}a:hover{opacity:.8}button{background:transparent;color:var(--on-surface);border:none;border-radius:var(--radius-full);padding:8px 16px;font-family:var(--font-body);font-size:.875rem;font-weight:500;cursor:pointer;transition:all .2s ease}button:disabled{opacity:.5;cursor:not-allowed;filter:grayscale(100%)}button.primary{background:linear-gradient(135deg,var(--primary),var(--primary-container));color:var(--on-primary);box-shadow:var(--shadow-ambient)}button.primary:hover{filter:brightness(1.1)}button.secondary{border:1px solid rgba(72,71,74,.2);color:var(--primary)}button.secondary:hover{background:var(--surface-container-high)}button.tertiary{color:var(--on-surface-variant)}button.tertiary:hover{color:var(--secondary)}input,textarea,select{background:var(--surface-container-lowest);color:var(--on-surface);border:2px solid transparent;border-radius:var(--radius-md);padding:12px 16px;font-family:var(--font-body);font-size:1rem;outline:none;transition:box-shadow .2s ease,border-color .2s ease}input:focus,textarea:focus,select:focus{box-shadow:0 0 0 2px #a3a6ff4d}.glass-toolbar{background:#262528cc;backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);box-shadow:var(--shadow-ambient-high);border-radius:var(--radius-full);display:flex;align-items:center;padding:8px;gap:8px}.glass-panel{background:#1f1f22a6;backdrop-filter:blur(32px);-webkit-backdrop-filter:blur(32px);box-shadow:var(--shadow-ambient-high);border:1px solid rgba(255,255,255,.08)}.fractal-node{background:var(--surface-container-high);border:1px solid var(--outline-variant);border-radius:var(--radius-lg);box-shadow:none;padding:24px}.floating-actions{position:absolute;bottom:24px;right:24px;z-index:1000;display:flex;flex-direction:column;gap:16px;align-items:center}.fab-btn{width:56px;height:56px;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 12px #0006;padding:0}.fab-btn .icon{line-height:1;display:flex;align-items:center;justify-content:center}.add-menu-container{position:relative}.add-menu{position:absolute;bottom:70px;right:0;display:flex;flex-direction:column;border-radius:12px;padding:8px;gap:4px;width:180px}.add-menu .menu-item{text-align:left;display:flex;justify-content:flex-start;padding:10px 16px;border-radius:8px;color:var(--on-surface);background:transparent;font-size:.9rem}.add-menu .menu-item:hover{background:var(--surface-container-highest)}@media(max-width:600px){.nav-link,.tool-btn,.menu-item{min-height:44px}.fab-btn{width:52px;height:52px}.floating-actions{bottom:calc(16px + env(safe-area-inset-bottom));right:16px}}