:root{color-scheme:light;--ink:#222b3b;--muted:#637084;--line:#e4e9f0;--blue:#4267bf;--blue-dark:#31529e;--paper:#fff;--wash:#f7f9fc;--shadow:0 18px 50px rgba(26,43,74,.07)}
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p{font-size:.82rem;line-height:1.45;color:var(--muted);margin:7px 0 0}.section{padding:88px 0}.section.soft{background:var(--wash)}.section-intro{max-width:650px;margin-bottom:32px}.section-intro p,.body-copy{color:var(--muted);margin:0 0 18px}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.feature{border:1px solid var(--line);border-radius:12px;padding:27px;background:#fff}.feature-icon{width:40px;height:40px;display:grid;place-items:center;background:#eef3ff;color:var(--blue);border-radius:10px;margin-bottom:20px}.feature p{color:var(--muted);margin:0}.preview{display:grid;grid-template-columns:210px 1fr;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff;box-shadow:var(--shadow)}.preview aside{background:#f8fafc;border-right:1px solid var(--line);padding:26px}.preview aside span{display:block;color:var(--muted);padding:8px 10px;font-size:.9rem}.preview aside 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input,.form textarea,.notes-form input,.notes-form textarea{border:1px solid #cfd8e5;border-radius:9px;padding:11px 13px;color:var(--ink);background:#fff;width:100%}.form textarea,.notes-form textarea{resize:vertical;min-height:130px}.form input:focus,.form textarea:focus,.notes-form input:focus,.notes-form textarea:focus{outline:2px solid #a7bdf2;outline-offset:1px}.hint{font-size:.88rem;color:var(--muted)}.status{min-height:1.5em;color:var(--blue-dark);font-weight:600}.notes-layout{display:grid;grid-template-columns:220px 1fr;gap:28px}.notes-sidebar{border:1px solid var(--line);border-radius:12px;padding:22px;background:var(--wash);align-self:start}.notes-sidebar p{color:var(--muted);font-size:.9rem}.notes-panel{border:1px solid var(--line);border-radius:12px;padding:24px}.notes-form{display:grid;gap:12px}.notes-form textarea{min-height:110px}.note-list{display:grid;gap:12px;margin-top:25px}.note-card{border:1px solid var(--line);border-radius:10px;padding:17px}.note-card 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