:root{--ink:#233d34;--paper:#f6f4ed;--card:#fffef9;--muted:#71776c;--gold:#ad8348;--line:#dce0d3}*{box-sizing:border-box}[hidden]{display:none!important}body{margin:0;color:var(--ink);background:var(--paper);font:15px/1.5 system-ui,sans-serif}button,input,select,textarea{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer}a{color:var(--ink)}header{padding:16px max(20px,6%);display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{text-decoration:none;display:flex;align-items:center;gap:10px;font:25px Georgia,serif}.brand img{width:48px;height:48px;border-radius:12px}.brand small{display:block;font:9px system-ui;letter-spacing:2px;margin-top:5px;color:var(--muted)}nav{display:flex;justify-content:center;gap:8px;padding:14px;border-bottom:1px solid var(--line);position:sticky;top:0;background:#f6f4edf5;z-index:4}nav button{background:none;border:0;border-radius:20px;padding:9px 18px;color:var(--muted)}nav 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0}.shelf-book{background:none;border:0;display:flex;flex-direction:column;align-items:center;gap:6px;height:174px;overflow:hidden;padding:0;color:var(--ink)}.shelf-book .cover{height:122px;width:83px}.shelf-book small{display:block;max-width:100%;font-size:11px;line-height:1.25;max-height:29px;overflow:hidden}.shelf-book span{font-size:10px;color:var(--muted)}#chart svg{width:100%;max-height:280px;display:block}#chart .chartscroll{overflow:auto}#chart .chartscroll svg{min-width:450px}.history-row{border:1px solid var(--line);border-radius:10px;padding:16px;margin:12px 0;background:var(--card);display:flex;justify-content:space-between;gap:12px}.history-row p{font-size:12px;margin:6px 0}.history-row strong{font:18px Georgia}.history-row button{align-self:start;font-size:11px}footer{margin-top:50px;border-top:1px solid var(--line);padding:22px 0;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;font-size:11px}footer p{margin:0}footer button,footer 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