:root{--page:#f7f7f5;--surface:#fff;--surface-muted:#f3f4f2;--input-bg:#f3f6ff;--input-bg-hover:#edf2ff;--text:#181a1f;--secondary:#575d68;--muted:#747b86;--border:#dfe1dc;--border-strong:#c9cdc5;--primary:#2457d6;--primary-hover:#1946b5;--success:#24705a;--warning:#9a5a0a;--warning-bg:#fff8e8;--error:#aa3028;--error-bg:#fff3f1;--sans:system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;--control-height:50px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{color:var(--text);background:var(--page);font-family:var(--sans);margin:0;font-size:16px;line-height:1.5;overflow-x:hidden}button,input{font:inherit}button{cursor:pointer}h1,h2,h3,p{margin-top:0}button:focus-visible{outline-offset:2px;outline:3px solid #2457d647}input:focus-visible{outline-offset:2px;outline:3px solid #2457d647}summary:focus-visible{outline-offset:2px;outline:3px solid #2457d647}[tabindex="0"]:focus-visible{outline-offset:2px;outline:3px solid #2457d647}.page-width{width:min(1280px,100% - 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