:root{--bg:var(--surface-canvas);--panel:var(--surface-default);--bar:var(--surface-muted);--line:var(--border-subtle);--text:var(--text-primary);--muted:var(--text-secondary);--accent:var(--action);--accent-soft:var(--action-surface);--shadow:0 6px 24px color-mix(in srgb, var(--brand-ink) 22%, transparent)}*{box-sizing:border-box}html,body{height:100%;margin:0}body{background:var(--bg);color:var(--text);flex-direction:column;font:14px/1.45 system-ui,sans-serif;display:flex}button{font:inherit;color:inherit}.top{background:var(--bar);border-bottom:1px solid var(--line);align-items:center;gap:12px;height:36px;padding:0 12px;display:flex}.top strong{letter-spacing:.02em}.top .hint{color:var(--muted);margin-left:auto;font-size:12px}#bench{flex:1;min-height:0;position:relative}.surface{position:absolute;inset:0;overflow:hidden}.empty{color:var(--muted);place-items:center;display:grid;position:absolute;inset:0}.grp{background:var(--panel);border:1px solid 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var(--line);resize:vertical;border-radius:0;padding:6px;font-size:13px}.text-preview{overflow-wrap:anywhere;min-width:0;padding:0 4px}.new-note{gap:4px;margin-top:8px;display:grid}.new-note .btn{justify-self:start}