:root{--bg:#f3efe7;--paper:#f7f4ee;--panel:#fffdf9;--line:#e3dccf;--ink:#2b2824;--muted:#8a8174;--accent:#b5653a;--accent-soft:#f3e3d8;--teal:#2f5d62}*{box-sizing:border-box}html,body{background:var(--bg);height:100%;color:var(--ink);overscroll-behavior:none;touch-action:manipulation;-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent;margin:0;font:13px/1.5 -apple-system,BlinkMacSystemFont,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;overflow:hidden}button,input,select{font:inherit;color:inherit}.app{height:100dvh;padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;grid-template-rows:auto minmax(0,1fr) 30px;grid-template-columns:236px minmax(0,1fr) 300px;display:grid}input{-webkit-user-select:text;user-select:text}header{background:var(--panel);border-bottom:1px solid var(--line);flex-wrap:wrap;grid-column:1/-1;align-items:center;gap:6px 10px;padding:8px 14px;display:flex}.brand{flex-direction:column;margin-right:8px;line-height:1.25;display:flex}.brand b{letter-spacing:.5px;font-size:15px}.brand span{color:var(--muted);font-size:12px}.grp{border:1px solid var(--line);background:#fff;border-radius:8px;align-items:center;gap:2px;padding:2px;display:flex}.btn{cursor:pointer;white-space:nowrap;background:0 0;border:0;border-radius:6px;padding:5px 9px}.btn:hover{background:#f2ece2}.btn.on{background:var(--ink);color:#fff}.btn.chip.on{background:var(--accent-soft);color:var(--accent)}.btn.primary{background:var(--accent);color:#fff}.btn.primary:hover{background:#9f5530}.btn.danger{color:#b3372a}.spacer{flex:1}aside{background:var(--panel);border-right:1px solid var(--line);overflow:auto}aside.right{border-right:0;border-left:1px solid var(--line)}.lib h4{color:var(--muted);letter-spacing:1px;margin:0;padding:12px 14px 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