:root{--ink:#17211b;--muted:#6a756d;--line:#dbe2da;--paper:#f4f6f1;--green:#21734b;--red:#a84b3e}*{box-sizing:border-box}body{margin:0;color:var(--ink);background:linear-gradient(145deg,#f5f3e9,#edf2ec);font-family:Georgia,"Noto Serif SC",serif}.library-shell{width:min(940px,calc(100% - 28px));margin:auto;padding:46px 0 70px}header a{color:var(--muted);text-decoration:none;font:11px Arial,sans-serif}header>span{display:block;margin-top:26px;color:var(--green);font:700 10px Arial,sans-serif;letter-spacing:2px}h1{font-size:clamp(38px,6vw,66px);margin:10px 0}header p{color:var(--muted);line-height:1.7}.library-tools{display:flex;justify-content:space-between;gap:14px;margin:38px 0 20px;padding-bottom:14px;border-bottom:1px solid var(--line)}#filters{display:flex;gap:7px}.library-tools button{padding:8px 12px;border:1px solid var(--line);background:#fff;color:var(--ink);cursor:pointer}.library-tools button.active{background:var(--ink);color:#fff}.timeline{position:relative;padding-left:110px}.timeline:before{content:"";position:absolute;left:83px;top:0;bottom:0;width:1px;background:var(--line)}.timeline-item{position:relative;padding:0 0 22px}.timeline-item:before{content:"";position:absolute;left:-32px;top:25px;width:9px;height:9px;border-radius:50%;background:var(--green);box-shadow:0 0 0 5px #eef2eb}.timeline-item.event:before{background:var(--red)}.timeline-date{position:absolute;right:calc(100% + 45px);top:20px;color:var(--muted);font:10px Arial,sans-serif;white-space:nowrap}.timeline-card{width:100%;padding:18px 20px;text-align:left;border:1px solid var(--line);background:rgba(255,255,255,.85);color:var(--ink);cursor:pointer}.timeline-card:hover{border-color:#8ca393;box-shadow:0 10px 30px rgba(25,43,30,.08)}.timeline-card small{color:var(--green);font:10px Arial,sans-serif}.timeline-card h2{margin:7px 0 3px;font-size:18px}.hover-summary{display:none;position:absolute;z-index:5;left:20px;right:0;top:78%;padding:14px;background:#18221c;color:#eef3ef;font:11px/1.6 Arial,sans-serif;box-shadow:0 12px 32px rgba(0,0,0,.2);pointer-events:none}.timeline-card:hover+.hover-summary{display:block}dialog{width:min(820px,calc(100% - 24px));max-height:88vh;border:1px solid var(--line);padding:0;background:#fbfcf9}dialog::backdrop{background:rgba(16,25,20,.55)}#closeReader{position:sticky;top:0;float:right;margin:12px;padding:8px 12px;border:0;background:var(--ink);color:#fff;cursor:pointer}#readerContent{padding:42px clamp(20px,6vw,70px) 70px;line-height:1.85}#readerContent h1{font-size:32px}#readerContent h2{margin-top:28px;font-size:19px}#readerContent p,#readerContent li{color:#405047}.copyright-note,.note-editor{padding:14px;background:var(--paper);border-left:3px solid var(--green);font:12px/1.6 Arial,sans-serif}.note-editor{margin-top:30px}.note-editor textarea{width:100%;min-height:120px;margin-top:9px;padding:10px;border:1px solid var(--line);font:13px/1.6 Arial,sans-serif}.note-editor span{display:block;margin-top:5px;color:var(--muted);font-size:10px}@media(max-width:600px){.timeline{padding-left:28px}.timeline:before{left:7px}.timeline-item:before{left:-25px}.timeline-date{position:static;display:block;margin-bottom:6px}.library-tools{display:block}#exportNotes{margin-top:10px}.hover-summary{display:none!important}}