:root{--bg: #f3f5f4;--panel: #ffffff;--ink: #1c1917;--muted: #78716c;--line: #e7e5e4;--accent: #0f766e;--accent-soft: #ccfbf1;--danger: #b91c1c;--star: #d97706;--sidebar: 220px;--list: 340px;color-scheme:light}*{box-sizing:border-box}html,body,#app{margin:0;height:100%}body{font-family:Source Han Sans SC,Noto Sans SC,PingFang SC,Microsoft YaHei,sans-serif;color:var(--ink);background:var(--bg)}button,input,textarea,select{font:inherit}button{cursor:pointer}a{color:var(--accent)}.app-shell{height:100%;display:flex;flex-direction:column}.topbar{height:52px;display:flex;align-items:center;gap:16px;padding:0 16px;background:var(--panel);border-bottom:1px solid var(--line);flex-shrink:0}.brand{display:flex;align-items:center;gap:8px;font-weight:700;color:var(--accent);letter-spacing:.04em}.brand svg{width:28px;height:28px}.search{flex:1;max-width:420px;position:relative}.search input{width:100%;border:1px solid var(--line);border-radius:999px;padding:8px 14px 8px 34px;background:var(--bg)}.search svg{position:absolute;left:10px;top:50%;transform:translateY(-50%);color:var(--muted)}.top-actions{margin-left:auto;display:flex;align-items:center;gap:10px;color:var(--muted);font-size:13px}.btn{border:0;border-radius:8px;padding:8px 12px;background:var(--accent);color:#fff;font-weight:600}.btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}.btn.danger{background:var(--danger)}.workspace{flex:1;display:flex;min-height:0}.sidebar,.list,.reader{background:var(--panel);min-height:0;overflow:auto}.sidebar{width:var(--sidebar);flex-shrink:0;border-right:1px solid var(--line);padding:12px 8px 24px}.list{width:var(--list);flex-shrink:0;border-right:1px solid var(--line);display:flex;flex-direction:column}.reader{flex:1;display:flex;flex-direction:column}.nav-group{margin-top:14px}.nav-title{font-size:11px;color:var(--muted);padding:4px 10px;letter-spacing:.08em}.nav-item,.item-card{display:flex;align-items:center;gap:8px;width:100%;text-align:left;border:0;background:transparent;border-radius:8px;padding:7px 10px;color:inherit}.nav-item:hover,.item-card:hover{background:#f5f5f4}.nav-item.active,.item-card.active{background:var(--accent-soft);color:#115e59}.nav-item .count{margin-left:auto;color:var(--muted);font-size:12px}.item-card{align-items:flex-start;flex-direction:column;gap:4px;padding:12px 14px;border-bottom:1px solid var(--line);border-radius:0}.item-card h3{margin:0;font-size:14px;font-weight:600;line-height:1.4}.item-meta{color:var(--muted);font-size:12px;display:flex;gap:8px}.item-excerpt{color:#57534e;font-size:13px;line-height:1.5;max-height:3em;overflow:hidden}.list-head{padding:12px 14px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}.reader-empty,.list-empty{margin:auto;color:var(--muted);text-align:center;padding:40px}.reader-toolbar{display:flex;align-items:center;gap:6px;padding:10px 16px;border-bottom:1px solid var(--line)}.icon-btn{border:0;background:transparent;width:32px;height:32px;border-radius:8px;color:#44403c;display:grid;place-items:center}.icon-btn:hover,.icon-btn.on{background:var(--accent-soft);color:var(--accent)}.article{padding:28px 36px 80px;overflow:auto;flex:1}.article-inner{max-width:var(--reader-width, 666px);margin:0 auto}.article h1{font-size:28px;margin:0 0 8px;line-height:1.3}.source{color:var(--muted);font-size:13px;margin-bottom:24px}.content{font-size:var(--reader-size, 18px);line-height:var(--reader-leading, 1.8);overflow-wrap:anywhere}.content img{max-width:100%}.content a{color:var(--accent)}.hl-bar{display:flex;gap:8px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:10px;padding:6px 8px;margin:0 36px 8px}.swatch{width:18px;height:18px;border-radius:50%;border:2px solid #fff;box-shadow:0 0 0 1px #d6d3d1}.swatch.yellow{background:#fde047}.swatch.green{background:#86efac}.swatch.blue{background:#93c5fd}.swatch.pink{background:#f9a8d4}.swatch.purple{background:#d8b4fe}.annotations{width:260px;flex-shrink:0;border-left:1px solid var(--line);padding:14px;overflow:auto;background:#fafafa}.ann{background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px;margin-bottom:8px;font-size:13px}.login-page{min-height:100%;display:grid;place-items:center;background:linear-gradient(180deg,#ecfdf5,#f3f5f4 40% 100%)}.login-card{width:420px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:32px;box-shadow:0 12px 40px #0f766e14}.login-card h1{margin:8px 0 4px}.login-card p{color:var(--muted);margin:0 0 20px}.field{display:flex;flex-direction:column;gap:6px;margin-bottom:12px;font-size:13px;color:#44403c}.field input,.field select{border:1px solid var(--line);border-radius:8px;padding:10px 12px;background:#fff}.notice{color:var(--danger);font-size:13px;min-height:1.2em}.hint{color:var(--muted);font-size:12px;line-height:1.5;margin:-4px 0 12px}.tabs{display:flex;gap:8px;margin-bottom:16px}.tabs button{flex:1;border:1px solid var(--line);background:#fafafa;padding:8px;border-radius:8px}.tabs button.on{background:var(--accent-soft);border-color:#99f6e4;color:#115e59;font-weight:600}.modal-backdrop{position:fixed;inset:0;background:#1c191759;display:grid;place-items:center;z-index:20}.modal{background:#fff;border-radius:14px;padding:20px;width:440px;max-width:calc(100% - 32px)}.modal h2{margin:0 0 12px;font-size:18px}.row{display:flex;gap:8px;justify-content:flex-end;margin-top:16px}.organize-bar{display:flex;flex-wrap:wrap;gap:10px 16px;align-items:center;padding:8px 16px;border-bottom:1px solid var(--line);background:#fafafa;font-size:13px;color:#44403c}.organize-bar label{display:flex;align-items:center;gap:8px}.organize-bar select{border:1px solid var(--line);border-radius:8px;padding:6px 8px;background:#fff;min-width:140px}.tag-picks{display:flex;flex-wrap:wrap;gap:6px;align-items:center}.tag-chip{border:1px solid var(--line);background:#fff;border-radius:999px;padding:3px 10px;font-size:12px;color:#44403c}.tag-chip.on{background:var(--accent-soft);border-color:#99f6e4;color:#115e59;font-weight:600}.organize-bar .muted,.field .muted{color:var(--muted)}mark[data-color=yellow]{background:#fde047}mark[data-color=green]{background:#86efac}mark[data-color=blue]{background:#93c5fd}mark[data-color=pink]{background:#f9a8d4}mark[data-color=purple]{background:#d8b4fe}@media(max-width:900px){.sidebar{display:none}.list{width:100%}.reader,.workspace.reading .list{display:none}.workspace.reading .reader{display:flex}}