:root{color-scheme:light;--bg: #f7f8fa;--bg-sidebar: #eef1f6;--surface: #ffffff;--human-bubble: #e9eef6;--text: #1a2230;--text-muted: #667085;--border: #e3e7ee;--border-strong: #d3dae4;--accent: #1c4fa1;--accent-hover: #16407f;--accent-soft: #e8eff9;--danger: #b4432c;--danger-soft: #fdecea;--warning: #b45309;--warning-soft: #fef3e2;--radius: 12px;--radius-sm: 8px;--radius-lg: 18px;--shadow-xs: 0 1px 2px rgba(15, 23, 42, .06);--shadow-sm: 0 2px 8px rgba(15, 23, 42, .08);--shadow-md: 0 10px 28px rgba(15, 23, 42, .12);--shadow-lg: 0 26px 64px rgba(15, 23, 42, .22);--ease: cubic-bezier(.2, .8, .2, 1);--sidebar-w: 293px;--font-sans: "Inter", ui-sans-serif, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;--font-serif: "Tiempos Text", Georgia, "Times New Roman", serif;--f-primary: #006eb9;--f-info-lighter: #ebf1ff;--f-info-text: #2957a4;--f-heading: #0f0f0f;--f-body: #52525b;--f-label: #a1a1aa;--f-name: #18181b;--f-hint: #99a0ae;--f-btn-border: 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.55rem}.cfg-label:first-child{margin-top:0}.cfg-textarea{width:100%;max-width:860px;border:1px solid var(--border-strong);border-radius:var(--radius-sm);padding:.65rem .8rem;font:inherit;font-size:.85rem;resize:vertical;background:var(--surface);color:var(--text);outline:none;transition:border-color .15s var(--ease),box-shadow .15s var(--ease)}.cfg-textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.cfg-checks{display:flex;flex-wrap:wrap;gap:.45rem}.chip{display:inline-flex;align-items:center;gap:.4rem;padding:.38rem .8rem;border-radius:999px;border:1px solid var(--border-strong);background:var(--surface);color:var(--text);font-size:.78rem;font-weight:500;cursor:pointer;line-height:1.2;transition:all .15s var(--ease)}.chip:hover{border-color:var(--accent)}.chip:focus-visible{outline:2px solid 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var(--border-strong);color:var(--text-muted)}.cfg-reset:hover:not(:disabled){background:var(--bg-sidebar);border-color:var(--text-muted);color:var(--text)}.cfg-reset.danger{color:var(--danger);border-color:transparent}.cfg-reset.danger:hover:not(:disabled){background:var(--danger-soft);border-color:transparent;color:var(--danger)}.cfg-msg{display:flex;align-items:center;gap:8px;margin-top:1rem;padding:.6rem .9rem;border-radius:var(--radius-sm);font-size:.82rem;font-weight:500;background:var(--accent-soft);color:var(--accent)}.cfg-msg.err{background:var(--danger-soft);color:var(--danger)}.cfg-hint{margin:4px 0 0;font-size:12px;color:var(--text-muted);line-height:1.5}.cfg-section-title{margin:22px 0 4px;padding-top:16px;border-top:1px solid var(--border);font-size:13px;font-weight:600;color:var(--text)}.attach-row{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:10px}.attach-chip{display:inline-flex;align-items:center;gap:6px;max-width:260px;padding:4px 6px 4px 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20px;border-radius:100px;background:var(--f-primary);color:#fff;font-size:14px;font-weight:600;box-shadow:var(--shadow-md)}