:root{--text:#6b6375;--text-h:#08060d;--bg:#fff;--border:#e5e4e7;--code-bg:#f4f3ec;--accent:#aa3bff;--accent-bg:#aa3bff1a;--accent-border:#aa3bff80;--social-bg:#f4f3ec80;--shadow:#0000001a 0 10px 15px -3px, #0000000d 0 4px 6px -2px;--sans:system-ui, "Segoe UI", Roboto, sans-serif;--heading:system-ui, "Segoe UI", Roboto, sans-serif;--mono:ui-monospace, Consolas, monospace;font:18px/145% var(--sans);letter-spacing:.18px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial}}@media (width<=1024px){:root{font-size:16px}}@media (prefers-color-scheme:dark){:root{--text:#9ca3af;--text-h:#f3f4f6;--bg:#16171d;--border:#2e303a;--code-bg:#1f2028;--accent:#c084fc;--accent-bg:#c084fc26;--accent-border:#c084fc80;--social-bg:#2f303a80;--shadow:#0006 0 10px 15px -3px, #00000040 0 4px 6px -2px}#social .button-icon{filter:invert()brightness(2)}}#root{box-sizing:border-box;flex-direction:column;width:100%;min-height:100svh;display:flex}body{margin:0}h1,h2{font-family:var(--heading);color:var(--text-h);font-weight:500}h1{letter-spacing:-1.68px;margin:32px 0;font-size:56px}@media (width<=1024px){h1{margin:20px 0;font-size:36px}}h2{letter-spacing:-.24px;margin:0 0 8px;font-size:24px;line-height:118%}@media (width<=1024px){h2{font-size:20px}}p{margin:0}code,.counter{font-family:var(--mono);color:var(--text-h);border-radius:4px;display:inline-flex}code{background:var(--code-bg);padding:4px 8px;font-size:15px;line-height:135%}.app-layout{text-align:left;flex-direction:column;flex:1;display:flex}.app-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;gap:16px;padding:16px 24px;display:flex}.app-header h1{margin:0;font-size:28px}.project-name-input{font:inherit;color:var(--text-h);background:0 0;border:1px solid #0000;border-radius:4px;max-width:320px;padding:4px 8px;font-size:20px;font-weight:500}.project-name-input:hover,.project-name-input:focus{border-color:var(--border);background:var(--bg);outline:none}.app-header-right{align-items:center;gap:16px;display:flex}.save-state{color:var(--text);font-size:13px}.save-state[data-state=error]{color:#c0392b}.app-header-right button{font:inherit;border:1px solid var(--border);background:var(--bg);color:var(--text-h);cursor:pointer;border-radius:4px;padding:6px 10px}.load-error{color:#c0392b;padding:24px}.login-screen{flex:1;justify-content:center;align-items:center;min-height:100svh;display:flex}.login-form{border:1px solid var(--border);border-radius:8px;flex-direction:column;gap:12px;width:100%;max-width:320px;padding:24px;display:flex}.login-form h1{margin:0 0 8px;font-size:24px}.login-form label{flex-direction:column;gap:4px;font-size:13px;display:flex}.login-form input{font:inherit;border:1px solid var(--border);background:var(--bg);color:var(--text-h);border-radius:4px;padding:8px}.login-form button{font:inherit;border:1px solid var(--accent-border);background:var(--accent-bg);color:var(--accent);cursor:pointer;border-radius:4px;padding:8px}.login-error{color:#c0392b;margin:0;font-size:13px}.app-main{flex-wrap:wrap;flex:1;align-items:flex-start;gap:24px;padding:24px;display:flex}.canvas-wrapper{border:1px solid var(--border);background:var(--code-bg);padding:8px;overflow:auto}.controls-panel{flex-direction:column;gap:24px;min-width:260px;max-width:320px;display:flex}.controls-panel section{border:1px solid var(--border);border-radius:8px;flex-direction:column;gap:8px;padding:12px;display:flex}.controls-panel h2{margin:0 0 4px;font-size:16px}.controls-panel h3{margin:0 0 4px;font-size:14px}.controls-panel label{flex-direction:column;gap:4px;font-size:13px;display:flex}.controls-panel input,.controls-panel select{font:inherit;border:1px solid var(--border);background:var(--bg);color:var(--text-h);border-radius:4px;padding:6px 8px}.controls-panel button{font:inherit;border:1px solid var(--border);background:var(--bg);color:var(--text-h);cursor:pointer;border-radius:4px;padding:6px 10px}.controls-panel button.active{background:var(--accent-bg);border-color:var(--accent-border);color:var(--accent)}.kerf-presets,.unit-toggle,.part-inspector-actions{flex-wrap:wrap;gap:6px;display:flex}.part-inspector{border-top:1px solid var(--border);flex-direction:column;gap:8px;margin-top:8px;padding-top:8px;display:flex}.validation-summary{flex-direction:column;gap:4px;margin:0;padding:0;font-size:13px;list-style:none;display:flex}.validation-summary .error{color:#c0392b;font-weight:600}