:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--bg:#f7f7f8;--surface:#fff;--surface-muted:#efeff2;--text:#171717;--text-muted:#52525b;--border:#1717171f;--brand:#0fdc78;--brand-strong:#02743b;--brand-soft:#e5fff2;--brand-text:#004d26;--brand-on:#003d22;--danger:#e8463a;--radius:8px;--radius-card:12px;--radius-full:999px;--sans:system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;--mono:ui-monospace, "SF Mono", Menlo, Consolas, "JetBrains Mono", monospace;font-family:var(--sans);color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:14px;line-height:1.5}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg:#171717;--surface:#1f1f23;--surface-muted:#262626;--text:#e5e5e5;--text-muted:#a1a1aa;--border:#e5e5e51f;--brand:#32f08c;--brand-strong:#32f08c;--brand-soft:#004d26;--brand-text:#e5fff2;--brand-on:#003d22}}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0}#app{min-height:100vh}.tool{max-width:960px;margin:0 auto}.tool-header{margin-bottom:16px}.tool-title{align-items:center;gap:8px;margin:0 0 4px;font-size:20px;font-weight:600;display:flex}.tool-desc{color:var(--text-muted);margin:0;font-size:13px}.tool-panel{flex-direction:column;gap:12px;display:flex}.tool-label{color:var(--text-muted);letter-spacing:.03em;font-size:12px;font-weight:600}.tool-actions{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.n-input textarea{font-size:13px;font-family:var(--mono)!important}