: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)}}body{margin:0}#root{text-align:center;border-inline:1px solid var(--border);box-sizing:border-box;flex-direction:column;width:1126px;max-width:100%;min-height:100svh;margin:0 auto;display:flex}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%}.counter{color:var(--accent);background:var(--accent-bg);border:2px solid #0000;border-radius:5px;margin-bottom:24px;padding:5px 10px;font-size:16px;transition:border-color .3s}.counter:hover{border-color:var(--accent-border)}.counter:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.counter:disabled{opacity:.6;cursor:not-allowed}.site-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:20px 32px;display:flex}.site-header .logo{color:var(--text-h);font-size:20px;font-weight:700}.site-header nav{gap:24px;display:flex}.site-header nav a{color:var(--text);font-size:15px;text-decoration:none}.site-header nav a:hover{color:var(--accent)}.hero{text-align:center;flex-direction:column;align-items:center;gap:12px;max-width:640px;margin:0 auto;padding:64px 20px 48px;display:flex}.hero h1{color:var(--text-h);margin:0;font-size:40px}.hero .lead{max-width:480px}.cta-btn{background:var(--accent);color:#fff;border-radius:8px;margin-top:12px;padding:12px 28px;font-weight:600;text-decoration:none;transition:opacity .3s}.cta-btn:hover{opacity:.85}.features{gap:24px;max-width:960px;margin:0 auto;padding:24px 32px 56px;display:flex}@media (width<=800px){.features{flex-direction:column}}.feature-card{border:1px solid var(--border);text-align:left;border-radius:10px;flex:1;padding:24px}.feature-card h3{color:var(--text-h);margin-top:0}.auth-section{justify-content:center;padding:24px 20px 64px;display:flex}.auth-card,.simulation-card{border:1px solid var(--border);background:var(--bg);border-radius:12px;width:100%;max-width:380px;padding:28px}.auth-tabs{gap:8px;margin-bottom:20px;display:flex}.auth-tabs button{border:1px solid var(--border);color:var(--text);cursor:pointer;background:0 0;border-radius:6px;flex:1;padding:8px}.auth-tabs button.active{background:var(--accent-bg);color:var(--accent);border-color:var(--accent-border)}.social-buttons{flex-direction:column;align-items:center;gap:10px;display:flex}.social-buttons .social-btn{border:1px solid var(--border);background:var(--bg);width:100%;max-width:260px;color:var(--text-h);font:inherit;cursor:pointer;border-radius:6px;padding:9px 12px}.social-buttons .social-btn:hover{box-shadow:var(--shadow)}.divider{text-align:center;color:var(--text);align-items:center;margin:20px 0;font-size:13px;display:flex}.divider:before,.divider:after{content:"";border-bottom:1px solid var(--border);flex:1}.divider span{padding:0 10px}.auth-form{flex-direction:column;gap:14px;display:flex}.auth-form label{text-align:left;color:var(--text-h);flex-direction:column;gap:6px;font-size:15px;display:flex}.auth-form input{border:1px solid var(--border);background:var(--bg);color:var(--text-h);font:inherit;border-radius:6px;padding:8px 10px}.auth-form input:focus-visible{outline:2px solid var(--accent);outline-offset:1px}.simulation-header{justify-content:space-between;align-items:center;margin-bottom:16px;display:flex}.simulation-header p{margin:0}.link-btn{color:var(--accent);cursor:pointer;font:inherit;background:0 0;border:none;padding:0}.link-btn:hover{text-decoration:underline}.subtitle{color:var(--accent);margin-top:-8px;font-weight:600}.footer{text-align:center;margin-top:0;padding:24px 0 40px;font-size:14px}.footer a{color:var(--text);text-decoration:none}.footer a:hover{color:var(--accent)}.simulation-form{flex-direction:column;gap:16px;width:100%;margin-top:16px;display:flex}.simulation-form label{text-align:left;color:var(--text-h);flex-direction:column;gap:6px;font-size:15px;display:flex}.simulation-form input{border:1px solid var(--border);background:var(--bg);color:var(--text-h);font:inherit;border-radius:6px;padding:8px 10px}.simulation-form input:focus-visible{outline:2px solid var(--accent);outline-offset:1px}.error{color:#e5484d}.result{color:var(--text-h);font-size:18px}