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var(--line);background:var(--surface-window);flex-shrink:0;align-items:center;gap:4px;height:40px;padding:0 10px;display:flex}.pd-tabs .brand{letter-spacing:.01em;margin-right:10px;font-size:13px;font-weight:500}.pd-tab{color:var(--ink-2);font:inherit;cursor:pointer;background:0 0;border:1px solid #0000;border-radius:6px;padding:4px 10px;font-size:12px;transition:background-color .12s,color .12s,border-color .12s}.pd-tab:hover{background:var(--surface-hover);color:var(--ink)}.pd-tab.active{background:var(--surface-raised);border-color:var(--line);color:var(--ink);box-shadow:var(--shadow-soft)}.pd-body{flex:1;min-height:0;overflow:hidden}.pd-notes{grid-template-columns:220px 1fr;height:100%;display:grid}.pd-sidebar{border-right:1px solid var(--line);background:var(--surface-panel);flex-direction:column;min-height:0;display:flex}.pd-sidebar-head{border-bottom:1px solid var(--line);align-items:center;gap:8px;padding:10px;display:flex}.pd-btn{border:1px solid 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