:root{--bg:#f3f2ed;--card:#fff;--border:#d5d9d3;--text:#172822;--t2:#4e5f59;--t3:#65736e;--ibg:#f8f8f4;--ac:#185b4a;--ac2:#0e5e9e;--gold:#c7a34b;--danger:#a33a42;--r:7px;--sh:0 1px 2px rgba(23,40,34,.06),0 7px 20px rgba(23,40,34,.05);--shl:0 18px 50px rgba(23,40,34,.16)}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Segoe UI','Microsoft YaHei','PingFang SC','Hiragino Sans GB',system-ui,sans-serif;background:var(--bg);color:var(--text);min-width:320px;min-height:100vh;font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased}

/* ── Workspace header ── */
.workspace-head{max-width:980px;margin:0 auto;padding:28px 20px 20px;display:flex;align-items:flex-end;justify-content:space-between;gap:24px;border-bottom:1px solid var(--border);background:var(--card)}
.workspace-summary{min-width:0}
.workspace-kicker{display:block;color:var(--ac);font:italic 13px/1.4 Georgia,'Times New Roman',serif;letter-spacing:.05em;text-transform:uppercase}
.workspace-summary>p{margin-top:6px;color:var(--t2);font-size:14px}
.workspace-summary>p strong{color:var(--text);font:600 27px/1 Georgia,'Times New Roman',serif}
.session-line{margin-top:10px;display:flex;align-items:center;flex-wrap:wrap;gap:8px}
#syncStatus{min-height:28px;padding:4px 9px;display:inline-flex;align-items:center;border:1px solid var(--border);background:var(--ibg);color:var(--t2);font-size:12px;font-weight:700}
#syncStatus[data-state="ok"]{border-color:#a8cbbb;color:#185b4a;background:#eff8f3}
#syncStatus[data-state="error"]{border-color:#dfb4b7;color:#8e3038;background:#fff3f3}
#syncStatus[data-state="syncing"]{border-color:#dac381;color:#765b12;background:#fffbeb}
.quiet-action{min-height:44px;padding:7px 9px;border:0;background:transparent;color:var(--ac);font:700 12px/1.3 inherit;text-decoration:underline;text-underline-offset:3px;cursor:pointer}
.scope-badge{min-height:28px;padding:4px 9px;display:inline-flex;align-items:center;border:1px solid var(--border);background:#fff;color:var(--t2);font-size:12px;font-weight:700}
.workspace-actions{display:flex;align-items:center;justify-content:flex-end;flex-wrap:wrap;gap:8px}
.hbtn,.more-menu>summary{min-height:44px;padding:9px 14px;display:inline-flex;align-items:center;justify-content:center;border:1px solid #aab6b0;border-radius:var(--r);background:#fff;color:var(--text);font:700 13px/1.2 inherit;cursor:pointer;transition:background-color .18s ease,border-color .18s ease,color .18s ease}
.hbtn:hover,.more-menu>summary:hover{border-color:var(--ac);color:var(--ac);background:#f2f8f5}
.hbtn.prim{border-color:var(--ac);background:var(--ac);color:#fff}
.hbtn.prim:hover{background:#0f483a;color:#fff}
.more-menu{position:relative}
.more-menu>summary{list-style:none}
.more-menu>summary::-webkit-details-marker{display:none}
.more-menu-panel{position:absolute;top:calc(100% + 7px);right:0;z-index:50;width:220px;padding:6px;display:grid;gap:3px;border:1px solid var(--border);background:#fff;box-shadow:var(--shl)}
.more-menu-panel button{min-height:44px;padding:9px 10px;border:0;background:transparent;color:var(--text);font:600 13px/1.3 inherit;text-align:left;cursor:pointer}
.more-menu-panel button:hover{background:#eef5f1;color:var(--ac)}
.sr{display:flex;gap:5px;flex-wrap:wrap;margin-top:10px}
.sc{padding:4px 8px;border:1px solid var(--border);background:var(--ibg);color:var(--t2);font-size:12px;font-weight:600;display:flex;align-items:center;gap:4px;white-space:nowrap}
.sc b{padding:1px 5px;background:#e6eee9;color:var(--text);font-size:11px;font-weight:800}

/* ── Toolbar ── */
.tb{max-width:980px;margin:0 auto;padding:14px 20px 0;display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.sbox{flex:1;min-width:140px;position:relative}
.sbox .ic{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--t2);font-size:12px;font-weight:700;pointer-events:none}
.sbox input{width:100%;min-height:44px;padding:9px 10px 9px 58px;border-radius:var(--r);border:1px solid var(--border);background:var(--card);font-size:14px;color:var(--text);outline:none;font-family:inherit}
.sbox input:focus{border-color:var(--ac);box-shadow:0 0 0 3px rgba(24,91,74,.13)}
.view-toggle{display:flex;flex-wrap:wrap;border-radius:var(--r);border:1px solid var(--border);overflow:hidden}
.view-toggle button{min-height:44px;padding:8px 14px;border:none;background:var(--card);color:var(--t2);font-size:12.5px;font-weight:700;cursor:pointer;font-family:inherit;transition:all .15s}
.view-toggle button.ac{background:var(--ac);color:#fff}
.view-toggle button:not(:last-child){border-right:1px solid var(--border)}

/* ── Content ── */
.ct{max-width:980px;margin:0 auto;padding:14px 20px 60px}

/* ── Member Section ── */
.member-sec{margin-bottom:18px;animation:fu .3s ease both}
@keyframes fu{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}
.member-hd{display:flex;align-items:center;gap:8px;padding:12px 15px;background:var(--card);border-radius:11px;border:1px solid var(--border);transition:all .2s;user-select:none}
.member-hd:hover{box-shadow:var(--sh);border-color:#c8c4be}
.member-toggle-control{min-width:0;min-height:44px;padding:0;display:flex;align-items:center;gap:8px;flex:1 1 auto;border:0;background:transparent;color:inherit;font:inherit;text-align:left;cursor:pointer}
.member-toggle-icon{font-size:9px;color:var(--t3);transition:transform .2s;flex-shrink:0}
.member-emoji{font-size:18px;flex-shrink:0}
.member-name{font-size:16px;font-weight:800;letter-spacing:-.3px}
.member-total{font-size:13px;font-weight:700;padding:2px 10px;border-radius:20px;background:var(--ac);color:#fff;flex-shrink:0}
.member-type-tags{display:flex;gap:5px;flex-shrink:0}
.mtype-tag{padding:2px 8px;border-radius:10px;font-size:12px;font-weight:700}
.mtype-tag.group{background:rgba(24,91,74,.1);color:#185b4a;border:1px solid rgba(24,91,74,.22)}
.mtype-tag.collab{background:rgba(14,165,233,.1);color:#0284c7;border:1px solid rgba(14,165,233,.2)}
.member-acts{margin-left:auto;display:flex;gap:5px;flex-shrink:0}
.mact-btn{padding:4px 10px;border-radius:6px;border:1px solid var(--border);background:var(--ibg);color:var(--t2);font-size:12px;font-weight:600;cursor:pointer;font-family:inherit;transition:all .15s;white-space:nowrap}
.mact-btn:hover{border-color:var(--ac);color:var(--ac);background:rgba(24,91,74,.05)}
.mact-btn.add-paper{border-color:rgba(24,91,74,.3);background:rgba(24,91,74,.06);color:var(--ac)}
.mact-btn.add-paper:hover{background:rgba(24,91,74,.14)}
.mact-btn.danger:hover{border-color:#ef4444;color:#ef4444;background:#fef2f2}

/* ── Member body ── */
.member-body{padding:10px 4px 4px;display:flex;flex-direction:column;gap:10px}

/* ── Folder Section ── */
.folder-sec{border-radius:9px;border:1px solid var(--border);overflow:hidden;background:var(--card)}
.folder-hd{display:flex;align-items:center;gap:7px;padding:9px 13px;background:var(--ibg);transition:background .15s;user-select:none;border-bottom:1px solid var(--border)}
.folder-hd:hover{background:#f0ede9}
.folder-toggle-control{min-width:0;min-height:44px;padding:0;display:flex;align-items:center;gap:7px;flex:1 1 auto;border:0;background:transparent;color:inherit;font:inherit;text-align:left;cursor:pointer}
.fold-arrow{font-size:8px;color:var(--t3);flex-shrink:0}
.folder-icon{font-size:14px;flex-shrink:0}
.folder-name{font-size:14px;font-weight:700;flex:1}
.folder-cnt{font-size:11px;font-weight:700;padding:1px 7px;border-radius:8px;background:rgba(28,25,23,.07);color:var(--t2);flex-shrink:0}
.folder-acts{display:flex;gap:3px;flex-shrink:0}
.fact-btn{padding:2px 6px;border-radius:4px;border:1px solid var(--border);background:transparent;font-size:11px;cursor:pointer;transition:all .15s;color:var(--t3)}
.fact-btn:hover{background:var(--card);color:var(--t2);border-color:var(--t2)}
.folder-papers{padding:10px;display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:8px}
.no-papers{padding:16px;text-align:center;font-size:13px;color:var(--t3)}
.no-folder-hd{cursor:default}
.no-folder-hd:hover{background:var(--ibg)}

/* ── Paper Card ── */
.pc{background:var(--card);border-radius:9px;border:1px solid var(--border);padding:12px 13px;transition:all .2s;position:relative;overflow:hidden}
.pc:hover{box-shadow:var(--sh);transform:translateY(-1px)}
.ab{position:absolute;top:0;left:0;right:0;height:3px;border-radius:9px 9px 0 0}
.ctop{display:flex;justify-content:space-between;align-items:flex-start;gap:7px;margin-bottom:5px}
.ctt{font-size:14px;font-weight:700;line-height:1.4;flex:1;word-break:break-word}
.paper-open{min-height:44px;padding:0;border:0;background:transparent;color:inherit;font-family:inherit;text-align:left;cursor:pointer}
.tag-stack{display:flex;flex-direction:column;gap:3px;align-items:flex-end;flex-shrink:0}
.rtag{display:inline-block;padding:2px 7px;border-radius:4px;font-size:11px;font-weight:700;white-space:nowrap}
.ptype-tag{display:inline-block;padding:2px 7px;border-radius:4px;font-size:11px;font-weight:700;white-space:nowrap}
.cjn{font-size:12.5px;color:var(--t2);font-style:italic;margin-bottom:6px}
.sbdg{display:inline-flex;align-items:center;gap:3px;padding:2px 8px;border-radius:16px;font-size:12px;font-weight:600;white-space:nowrap}
.cmeta{font-size:11.5px;color:var(--t3);margin-top:4px;display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.cmeta .urgent{color:#ef4444;font-weight:600}
.cact{display:flex;gap:6px;margin-top:8px;padding-top:8px;border-top:1px solid var(--border);justify-content:space-between;align-items:center;flex-wrap:wrap}
.cact-left{display:flex;gap:3px;flex-wrap:wrap}
.cact>div:last-child{display:flex;gap:4px;flex-wrap:wrap}
.cact-btn{font-size:11.5px;padding:3px 8px;border-radius:4px;border:1px solid var(--border);background:transparent;color:var(--t2);cursor:pointer;transition:all .15s;display:flex;align-items:center;gap:3px;font-family:inherit}
.cact-btn:hover{background:var(--ibg);border-color:var(--ac);color:var(--ac)}
.cact-del{color:#dc2626;border-color:#fca5a5;background:#fef2f2}
.cact-del:hover{background:#fee2e2;border-color:#dc2626;color:#dc2626}
.qbs{display:flex;gap:3px}
.quick-status{min-height:44px;padding:7px 30px 7px 9px;border:1px solid var(--border);border-radius:5px;background:#fff;color:var(--t2);font:600 12px/1.2 inherit;cursor:pointer}

/* ── Empty State ── */
.ep{text-align:center;padding:48px 20px;color:var(--t3)}
.ep .big{margin-bottom:10px;color:var(--ac);font-size:12px;font-weight:800;letter-spacing:.18em}
.ep .mg{font-size:15px;font-weight:600;margin-bottom:4px;color:var(--t2)}
.ep .su{font-size:13px}

/* ── Dashboard ── */
.dash-wrap{padding-top:4px}
.member-stat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:10px;margin-bottom:18px}
.member-stat-card{background:var(--card);border-radius:11px;border:1px solid var(--border);padding:14px}
.msc-top{display:flex;align-items:center;gap:8px;margin-bottom:10px}
.msc-emoji{font-size:20px}
.msc-name{font-size:13px;font-weight:800}
.msc-total{margin-left:auto;font-size:18px;font-weight:900;color:var(--ac)}
.msc-sub{font-size:10px;color:var(--t3)}
.msc-bars{display:flex;flex-direction:column;gap:4px;margin-top:8px}
.msc-bar-row{display:flex;align-items:center;gap:6px;font-size:10px}
.msc-bar-lbl{width:50px;flex-shrink:0;color:var(--t2);font-weight:500}
.msc-bar-track{flex:1;height:5px;background:var(--border);border-radius:3px;overflow:hidden}
.msc-bar-fill{height:100%;border-radius:3px}
.msc-bar-val{width:16px;text-align:right;color:var(--t3);font-weight:600}
.overall-stats{display:grid;grid-template-columns:repeat(auto-fill,minmax(100px,1fr));gap:8px;margin-bottom:18px}
.dash-c{background:var(--card);border-radius:9px;border:1px solid var(--border);padding:10px 8px;text-align:center}
.dash-c .num{font-size:22px;font-weight:900;color:var(--ac);line-height:1}
.dash-c .lbl{font-size:10px;color:var(--t2);margin-top:3px;font-weight:600;white-space:nowrap}
.chart-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:14px;margin-bottom:16px}
.chart-box{background:var(--card);border-radius:11px;border:1px solid var(--border);padding:14px}
.chart-box h4{font-size:11px;font-weight:700;color:var(--t2);margin-bottom:10px;text-transform:uppercase;letter-spacing:.5px}
.chart-container{position:relative;min-height:200px}
.offline-chart-list{display:flex;flex-direction:column;gap:8px}
.oc-row{display:grid;grid-template-columns:88px 1fr 36px;align-items:center;gap:8px;font-size:11px}
.oc-label{color:var(--t2);font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.oc-track{height:10px;border-radius:999px;background:var(--border);overflow:hidden}
.oc-fill{height:100%;border-radius:999px}
.oc-value{text-align:right;color:var(--t2);font-weight:700}
.type-member-list{display:flex;flex-direction:column;gap:10px}
.type-member-card{padding:10px;border-radius:9px;background:var(--ibg);border:1px solid var(--border)}
.type-member-top{display:flex;align-items:center;gap:8px;margin-bottom:8px;font-size:12px;font-weight:700}
.type-member-name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.type-pair{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.type-chip{display:flex;justify-content:space-between;align-items:center;padding:6px 8px;border-radius:7px;font-size:11px;font-weight:700}
.type-chip.group{background:rgba(24,91,74,.08);color:#185b4a;border:1px solid rgba(24,91,74,.16)}
.type-chip.collab{background:rgba(14,165,233,.08);color:#0369a1;border:1px solid rgba(14,165,233,.14)}

/* ── Modal ── */
.mo{position:fixed;inset:0;background:rgba(13,35,28,.58);display:flex;align-items:center;justify-content:center;z-index:999;backdrop-filter:blur(3px);padding:10px;animation:fi .2s ease}
@keyframes fi{from{opacity:0}to{opacity:1}}
.md{background:var(--card);border-top:4px solid var(--gold);border-radius:var(--r);width:100%;max-width:560px;max-height:92vh;overflow:auto;padding:22px;box-shadow:var(--shl);animation:su .25s ease}
.md.sm{max-width:400px}
@keyframes su{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}
.mh{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}
.mh h2{font:600 21px/1.25 Georgia,'Times New Roman',serif}
.xbtn{background:none;border:none;font-size:18px;cursor:pointer;color:var(--t3);padding:4px}
.fg{margin-bottom:11px}
.fl{display:block;font-size:12px;font-weight:700;color:var(--t2);margin-bottom:5px;letter-spacing:.02em}
.fi{width:100%;padding:8px 10px;border-radius:7px;border:1px solid var(--border);background:var(--ibg);color:var(--text);font-size:14px;outline:none;font-family:inherit;transition:border .15s}
.fi:focus{border-color:var(--ac)}
textarea.fi{resize:vertical;min-height:56px}
.fr{display:flex;gap:10px}
.fr>*{flex:1}
.mf{display:flex;justify-content:space-between;align-items:center;margin-top:16px;padding-top:12px;border-top:1px solid var(--border)}
.bdel{padding:6px 12px;border-radius:7px;border:1px solid #fca5a5;background:#fef2f2;color:#dc2626;font-size:13px;font-weight:600;cursor:pointer;font-family:inherit}
.bcan{padding:6px 14px;border-radius:7px;border:1px solid var(--border);background:transparent;color:var(--t2);font-size:13px;cursor:pointer;font-family:inherit}
.bsav{padding:6px 18px;border-radius:7px;border:none;background:var(--ac);color:#fff;font-size:13px;font-weight:700;cursor:pointer;font-family:inherit;box-shadow:0 2px 6px rgba(24,91,74,.22)}
.bsav:hover{background:#0f483a}

/* ── Type selector ── */
.type-opts{display:flex;gap:8px}
.type-opt{flex:1;padding:10px 8px;border-radius:8px;border:2px solid var(--border);cursor:pointer;text-align:center;transition:all .2s;background:var(--ibg)}
.type-opt:hover{border-color:var(--t3)}
.type-opt.sel-group{border-color:#185b4a;background:rgba(24,91,74,.08)}
.type-opt.sel-collab{border-color:#0ea5e9;background:rgba(14,165,233,.08)}
.type-opt .to-emoji{font-size:18px;margin-bottom:2px}
.type-opt .to-label{font-size:11.5px;font-weight:700;color:var(--t2)}
.type-opt.sel-group .to-label{color:#185b4a}
.type-opt.sel-collab .to-label{color:#0284c7}

/* ── Emoji picker ── */
.emoji-grid{display:flex;gap:6px;flex-wrap:wrap;padding:8px;background:var(--ibg);border-radius:8px;border:1px solid var(--border)}
.emoji-btn{font-size:20px;padding:4px 6px;border-radius:6px;border:2px solid transparent;cursor:pointer;background:none;transition:all .15s}
.emoji-btn:hover{background:var(--card);border-color:var(--border)}
.emoji-btn.sel{background:var(--card);border-color:var(--ac);box-shadow:0 0 0 2px rgba(24,91,74,.15)}

/* ── Toast ── */
.toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);padding:9px 18px;border-radius:9px;font-size:14px;font-weight:600;font-family:inherit;z-index:9999;animation:ti .3s ease;box-shadow:0 4px 16px rgba(0,0,0,.12);white-space:nowrap;background:#dcfce7;color:#166534;border:1px solid #bbf7d0}
.toast.error{background:#fee2e2;color:#991b1b;border-color:#fecaca}
@keyframes ti{from{opacity:0;transform:translateX(-50%) translateY(10px)}to{opacity:1;transform:translateX(-50%) translateY(0)}}

/* ── Paper detail ── */
.det-wrap{animation:fu .3s ease both}
.det-back{display:inline-flex;align-items:center;gap:5px;padding:6px 12px;border-radius:7px;border:1px solid var(--ac);color:var(--ac);background:rgba(24,91,74,.05);cursor:pointer;font-size:14px;font-weight:600;margin-bottom:12px;transition:all .15s}
.det-back:hover{background:rgba(24,91,74,.1)}
.det-card{background:var(--card);border-radius:11px;border:1px solid var(--border);padding:18px;margin-bottom:12px}
.det-card h2{font-size:19px;font-weight:800;margin-bottom:8px;line-height:1.35}
.det-meta{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:10px}
.det-row{display:flex;gap:8px;margin-bottom:6px;font-size:14px}
.det-lbl{color:var(--t3);min-width:60px;flex-shrink:0;font-size:12px;padding-top:1px}
.det-val{color:var(--text);font-weight:500}
.det-actions{display:flex;gap:8px;margin-top:12px;padding-top:12px;border-top:1px solid var(--border);flex-wrap:wrap}
.hist-badge{display:inline-flex;align-items:center;gap:2px;font-size:10px;font-weight:700;color:#c2410c;background:#fff7ed;border:1px solid #fed7aa;border-radius:6px;padding:1px 6px}
.hist-box{margin-top:4px;display:flex;flex-direction:column;gap:8px}
.hist-item{padding:10px 12px;background:var(--ibg);border:1px solid var(--border);border-radius:8px;border-left:3px solid #ef4444}
.hist-item-top{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:4px;flex-wrap:wrap}
.hist-item-title{font-size:12px;font-weight:700;color:var(--text)}
.hist-item-meta{font-size:11px;color:var(--t2);line-height:1.55}
.hist-item-note{font-size:11px;color:var(--t3);margin-top:4px;white-space:pre-wrap}
.hist-item-actions{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}
.hist-warn{font-size:11px;color:#92400e;background:#fffbeb;border:1px solid #fde68a;border-radius:6px;padding:6px 8px;margin-top:6px;line-height:1.45}
.cact-btn.resub{border-color:#fed7aa;background:#fff7ed;color:#c2410c}
.cact-btn.resub:hover{background:#ffedd5;border-color:#fb923c;color:#9a3412}
.bsav.resub{background:#ea580c;box-shadow:0 2px 6px rgba(234,88,12,.25)}
.bsav.resub:hover{background:#c2410c}
.resub-hint{font-size:11.5px;color:#92400e;background:#fffbeb;border:1px solid #fde68a;border-radius:8px;padding:8px 10px;margin-bottom:12px;line-height:1.5}

/* ── Note display ── */
.notes-box{padding:10px;background:var(--ibg);border-radius:7px;border:1px solid var(--border);font-size:12px;color:var(--t2);line-height:1.6;white-space:pre-wrap;margin-top:4px}

/* ── Attachments ── */
.att-list{margin-top:6px;display:flex;flex-direction:column;gap:4px}
.att-item{display:flex;align-items:center;gap:6px;padding:6px 8px;background:var(--ibg);border:1px solid var(--border);border-radius:6px;font-size:11.5px}
.att-icon{font-size:14px;flex-shrink:0}
.att-name{flex:1;color:var(--text);font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;cursor:pointer}
.att-name:hover{color:var(--ac);text-decoration:underline}
.att-size{color:var(--t3);flex-shrink:0;font-size:10.5px}
.att-del{background:none;border:none;cursor:pointer;color:var(--t3);font-size:12px;padding:2px 4px;border-radius:4px;flex-shrink:0}
.att-del:hover{color:#ef4444;background:#fef2f2}
.att-upload-btn{display:inline-flex;align-items:center;gap:4px;padding:5px 10px;border-radius:6px;border:1.5px dashed var(--border);background:transparent;color:var(--t2);font-size:11.5px;font-weight:600;cursor:pointer;font-family:inherit;transition:all .15s;margin-top:4px}
.att-upload-btn:hover{border-color:var(--ac);color:var(--ac);background:rgba(24,91,74,.04)}
.att-badge{display:inline-flex;align-items:center;gap:2px;font-size:10px;color:var(--t2);background:var(--ibg);border:1px solid var(--border);border-radius:6px;padding:1px 5px}
.preview-modal{max-width:900px;height:min(92vh,760px);display:flex;flex-direction:column}
.preview-body{flex:1;min-height:420px;border:1px solid var(--border);border-radius:10px;background:var(--ibg);overflow:hidden}
.preview-frame{width:100%;height:100%;border:none;background:#fff}
.preview-image{display:block;max-width:100%;max-height:100%;margin:0 auto;object-fit:contain;background:#fff}
.preview-text{height:100%;overflow:auto;padding:16px;white-space:pre-wrap;word-break:break-word;font:14px/1.6 'Noto Sans SC',sans-serif;color:var(--text)}
.notice-bar{background:rgba(245,158,11,.08);border-bottom:1px solid rgba(245,158,11,.25);padding:7px 20px;font-size:13px;color:#92400e;display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap;text-align:center}

/* ── 投稿追踪 ── */
.track-wrap{animation:fu .3s ease both}
.track-hero{background:linear-gradient(135deg,#eff6ff 0%,#f0f9ff 50%,#ecfeff 100%);border:1px solid #bae6fd;border-radius:12px;padding:14px 16px;margin-bottom:14px}
.track-hero h3{font-size:16px;font-weight:800;color:#0c4a6e;margin-bottom:4px}
.track-hero p{font-size:12.5px;color:#0369a1;line-height:1.55}
.track-list{display:flex;flex-direction:column;gap:10px}
.track-card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:14px 15px;box-shadow:var(--sh);position:relative;overflow:hidden}
.track-card::before{content:'';position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--tc,#0ea5e9)}
.track-card-top{display:flex;justify-content:space-between;gap:10px;align-items:flex-start;flex-wrap:wrap;margin-bottom:8px}
.track-title{font-size:15px;font-weight:800;line-height:1.35;cursor:pointer}
.track-title:hover{color:var(--ac)}
.track-sub{font-size:12.5px;color:var(--t2);margin-bottom:8px;display:flex;flex-wrap:wrap;gap:8px 12px}
.track-panel{background:#f8fafc;border:1px solid #e2e8f0;border-radius:10px;padding:10px 12px;margin-top:8px}
.track-panel-hd{display:flex;align-items:center;justify-content:space-between;gap:8px;flex-wrap:wrap;margin-bottom:6px}
.track-panel-hd b{font-size:12.5px;color:#0f172a}
.track-note{font-size:13px;color:#334155;line-height:1.5;white-space:pre-wrap}
.track-note.empty{color:var(--t3);font-style:italic}
.track-actions{display:flex;gap:6px;flex-wrap:wrap;margin-top:10px}
.tbtn{display:inline-flex;align-items:center;gap:5px;padding:7px 12px;border-radius:8px;border:1px solid var(--border);background:#fff;color:var(--text);font-size:12.5px;font-weight:700;cursor:pointer;font-family:inherit;text-decoration:none;transition:all .15s}
.tbtn:hover{border-color:var(--ac);color:var(--ac);background:rgba(24,91,74,.04)}
.tbtn.prim{background:#0284c7;border-color:#0284c7;color:#fff}
.tbtn.prim:hover{background:#0369a1;border-color:#0369a1;color:#fff}
.tbtn.warn{background:#fff7ed;border-color:#fed7aa;color:#c2410c}
.track-badge{display:inline-flex;align-items:center;gap:3px;padding:2px 8px;border-radius:6px;font-size:11px;font-weight:700;background:#e0f2fe;color:#0369a1;border:1px solid #bae6fd}
.track-link-chip{display:inline-flex;align-items:center;justify-content:center;min-width:44px;min-height:44px;gap:3px;font-size:11px;font-weight:700;color:#0369a1;background:#e0f2fe;border:1px solid #bae6fd;border-radius:6px;padding:7px 8px;text-decoration:none}
.track-link-chip:hover{background:#bae6fd}
.det-track{background:linear-gradient(135deg,#f0f9ff,#ecfeff);border:1px solid #7dd3fc;border-radius:12px;padding:14px;margin:12px 0}
.det-track h3{font-size:14px;font-weight:800;color:#0c4a6e;margin-bottom:8px;display:flex;align-items:center;gap:6px}
.track-hint{font-size:11.5px;color:#0369a1;background:#e0f2fe;border:1px solid #bae6fd;border-radius:8px;padding:8px 10px;margin-bottom:10px;line-height:1.5}
.track-paste{display:flex;flex-direction:column;gap:8px;margin-top:8px}
.track-paste-row{display:flex;gap:8px;align-items:stretch;flex-wrap:wrap}
.track-paste-row .fi{flex:1;min-width:200px;margin:0}
.track-paste-row .tbtn,.track-paste-row .bsav{flex-shrink:0;align-self:stretch}

/* ── Secure portal shell ── */
[hidden]{display:none!important}
.skip-link{position:fixed;left:12px;top:12px;z-index:10001;transform:translateY(-180%);padding:10px 14px;background:#fff;color:#143c33;border-radius:6px;font-weight:800;text-decoration:none}
.skip-link:focus{transform:translateY(0)}
.portal-top{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;padding:22px max(20px,calc((100vw - 1120px)/2));background:#143c33;color:#fff;border-bottom:4px solid #d6b45d}
.portal-kicker{display:block;font-size:11px;line-height:1.4;letter-spacing:.16em;font-weight:800;color:#d8e9e2}
.portal-brand h1{font-family:Georgia,'Times New Roman',serif;font-size:28px;line-height:1.15;margin-top:5px}
.portal-links{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.portal-links a{display:inline-flex;align-items:center;min-height:44px;padding:8px 13px;border:1px solid rgba(255,255,255,.35);border-radius:6px;color:#fff;text-decoration:none;font-size:13px;font-weight:700}
.portal-links a:hover,.portal-links a:focus-visible{background:#fff;color:#143c33}
.lang-toggle{display:inline-flex;align-items:stretch;min-height:44px;padding:3px;border:1px solid rgba(255,255,255,.42);border-radius:999px}
.lang-toggle button{min-width:72px;min-height:44px;border:0;border-radius:999px;padding:7px 12px;background:transparent;color:#fff;font:inherit;font-weight:800;cursor:pointer}
.lang-toggle button[aria-pressed="true"]{background:#d8eee5;color:#143c33}
.lang-toggle button:focus-visible{outline:3px solid #fff;outline-offset:2px}
.lang-short{display:none}
.login-gate{max-width:960px;margin:56px auto;padding:0 20px;display:grid;grid-template-columns:minmax(0,1fr) minmax(300px,.75fr);gap:48px;align-items:center}
.login-copy h2{font-family:Georgia,'Times New Roman',serif;font-size:34px;line-height:1.15;margin:10px 0 14px;color:#173f35}
.login-copy p{max-width:54ch;color:#57534e;line-height:1.75}
.login-form{padding:28px;background:#fff;border:1px solid #dad6ce;border-top:4px solid #d6b45d;box-shadow:var(--shl)}
.login-form label{display:block;font-size:13px;font-weight:800;margin-bottom:8px;color:#3f3b35}
.login-form input{width:100%;min-height:48px;padding:10px 12px;border:1px solid #aaa49a;border-radius:6px;font:inherit}
.login-form input:focus{outline:3px solid rgba(20,60,51,.2);border-color:#143c33}
.password-row{display:grid;grid-template-columns:minmax(0,1fr) auto}
.password-row input{border-radius:6px 0 0 6px}
.password-toggle{min-width:62px;min-height:48px;padding:8px;border:1px solid #aaa49a;border-left:0;border-radius:0 6px 6px 0;background:#f5f5f1;color:#25483e;font:700 13px/1 inherit;cursor:pointer}
.login-form>button[type="submit"]{width:100%;min-height:48px;margin-top:12px;border:0;border-radius:6px;background:#143c33;color:#fff;font:800 14px/1 inherit;cursor:pointer}
.login-form>button[type="submit"]:hover{background:#0d2e27}
.login-form>button[type="submit"]:disabled{opacity:.65;cursor:wait}
.login-status{min-height:22px;margin-top:10px;color:#9f2d2d;font-size:13px}
.dialog-copy{color:var(--t2);line-height:1.6;margin:4px 0 16px}
.dialog-actions{display:flex;gap:8px}
.form-error{min-height:22px;margin-top:8px;color:#8e3038;font-size:13px}
.login-copy .portal-kicker{color:var(--ac)}
.track-title{padding:0;border:0;background:transparent;color:var(--text);font:800 15px/1.35 inherit;text-align:left;cursor:pointer}
.track-title:hover{color:var(--ac)}
.folder-icon{min-width:50px;color:var(--t3);font-size:9px;font-weight:800;letter-spacing:.08em}
.att-icon{min-width:34px;color:var(--ac);font-size:9px;font-weight:800;letter-spacing:.05em}
.sync-conflict-card{max-width:620px}
.sync-conflict-list{max-height:52vh;margin:14px 0;display:grid;gap:10px;overflow:auto}
.sync-conflict-list fieldset{padding:12px;border:1px solid var(--border)}
.sync-conflict-list legend{padding:0 6px;color:var(--text);font-weight:700}
.sync-conflict-list label{min-height:44px;padding:7px 8px;display:flex;align-items:center;gap:9px;color:var(--t2);font-size:13px;cursor:pointer}
.sync-conflict-list input{width:20px;height:20px}
.mact-btn,.fact-btn,.cact-btn,.tbtn,.bcan,.bsav,.bdel,.xbtn,.att-del,.att-upload-btn,.det-back,.type-opt,.emoji-btn{min-height:44px}
.fact-btn,.cact-btn{min-width:44px}
.xbtn,.att-del,.emoji-btn{min-width:44px}
.fi,select.fi{min-height:44px}
button,a,input,select,textarea{touch-action:manipulation}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid rgba(20,60,51,.28);outline-offset:2px}

/* ── 组内审稿 ── */
.rv-section{background:#fffaf5;border:1px solid #fed7aa;border-radius:12px;padding:14px;margin:12px 0}
.rv-head{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:6px}
.rv-round{font-size:11px;font-weight:700;color:var(--t2);background:#fff;border:1px solid var(--border);border-radius:6px;padding:1px 7px}
.rv-badge{display:inline-flex;align-items:center;gap:3px;font-size:11px;font-weight:700;border-radius:6px;padding:2px 7px;background:#fff7ed;border:1px solid #fed7aa;color:#c2410c;white-space:nowrap}
.rv-badge.ok{background:#ecfdf5;border-color:#a7f3d0;color:#047857}
.rv-badge.warn{background:#fef2f2;border-color:#fecaca;color:#b91c1c}
.rv-hint{font-size:12px;color:var(--t2);line-height:1.6;margin-bottom:10px}
.rv-list{display:flex;flex-direction:column;gap:8px}
.rv-item{padding:10px 12px;background:#fff;border:1px solid var(--border);border-left:3px solid #fb923c;border-radius:8px}
.rv-item-top{display:flex;align-items:center;justify-content:space-between;gap:8px}
.rv-name{font-size:13px;font-weight:700;color:var(--text)}
.rv-verdict{font-size:11px;font-weight:700;border-radius:6px;padding:2px 8px;white-space:nowrap}
.rv-verdict.pending{background:#f1f5f9;color:#475569;border:1px solid #e2e8f0}
.rv-verdict.pass{background:#ecfdf5;color:#047857;border:1px solid #a7f3d0}
.rv-verdict.revise{background:#fff7ed;color:#c2410c;border:1px solid #fed7aa}
.rv-meta{font-size:11px;color:var(--t3);margin-top:3px}
.rv-comments{margin-top:6px;padding:8px;background:var(--ibg);border-radius:6px;border:1px solid var(--border);font-size:12px;color:var(--t2);line-height:1.6;white-space:pre-wrap}
.rv-acts{display:flex;gap:6px;margin-top:8px;flex-wrap:wrap}
.rv-empty{padding:14px;text-align:center;font-size:12px;color:var(--t3);background:#fff;border:1px dashed var(--border);border-radius:8px}
.rv-history{margin-top:10px;font-size:12px}
.rv-history summary{cursor:pointer;color:var(--t2);font-weight:600;padding:4px 0}
.rv-history .rv-list{margin-top:8px}
.rv-bypass-box{border-color:#fecaca}
.rv-bypass-list{display:flex;flex-direction:column;gap:6px}
.rv-bypass-item{display:flex;flex-direction:column;gap:2px;padding:8px 10px;background:#fef2f2;border:1px solid #fecaca;border-radius:8px}
.rv-bypass-link{min-height:44px;text-align:left;background:none;border:none;padding:0;color:#b91c1c;font:700 12.5px/1.4 inherit;cursor:pointer}
.rv-bypass-meta{font-size:11px;color:var(--t3)}
.rv-assign-tag{font-size:10.5px;font-weight:700;color:#0e5e9e;background:#eff6ff;border:1px solid #bfdbfe;border-radius:5px;padding:1px 6px;white-space:nowrap}
.rv-ro{font-size:11.5px;color:var(--t3);font-style:italic}
.rv-pending{margin-top:6px;padding:8px;background:var(--ibg);border:1px dashed var(--border);border-radius:6px;font-size:12px;color:var(--t3);line-height:1.6}

/* ── 待审任务 ── */
.rt-wrap{max-width:980px;margin:0 auto;padding:20px}
.rt-head{margin-bottom:14px}
.rt-head>p{margin-top:6px;color:var(--t2);font-size:14px}
.rt-card{padding:14px 16px;margin-bottom:12px;background:var(--card);border:1px solid var(--border);border-left:4px solid #0e5e9e;border-radius:var(--r);box-shadow:var(--sh)}
.rt-title{font:600 16px/1.45 Georgia,'Times New Roman',serif;color:var(--text)}
.rt-meta{display:flex;flex-wrap:wrap;gap:6px 14px;margin-top:6px;font-size:12px;color:var(--t2)}
.rt-rows{margin-top:10px;display:flex;flex-direction:column;gap:6px}
.rt-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:8px 10px;background:var(--ibg);border:1px solid var(--border);border-radius:6px}
.rt-row-meta{font-size:11.5px;color:var(--t3);flex:1 1 auto;min-width:0}
.rt-paper{padding:10px 12px;margin-bottom:12px;background:var(--ibg);border:1px solid var(--border);border-radius:8px}
.rt-paper-title{font:600 15px/1.4 Georgia,'Times New Roman',serif;color:var(--text)}
.rt-paper-meta{margin-top:4px;font-size:12px;color:var(--t2)}

/* ── 消息 ── */
.notice-btn{position:relative}
.notice-btn.hot{color:#8e3038;text-decoration-color:#8e3038}
.notice-btn b{display:inline-flex;align-items:center;justify-content:center;min-width:17px;height:17px;margin-left:4px;padding:0 4px;border-radius:9px;background:#b91c1c;color:#fff;font-size:10.5px;font-weight:700;text-decoration:none}
.nt-list{display:flex;flex-direction:column;gap:8px;max-height:52vh;overflow-y:auto}
.nt-item{padding:10px 12px;background:var(--ibg);border:1px solid var(--border);border-left:3px solid #0e5e9e;border-radius:8px;cursor:pointer;transition:background-color .16s ease,border-color .16s ease}
.nt-item:hover{background:#eff6ff;border-color:#bfdbfe}
.nt-head{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.nt-name{font-size:13px;font-weight:700;color:var(--text)}
.nt-time{margin-left:auto;font-size:11px;color:var(--t3)}
.nt-paper{margin-top:4px;font-size:12.5px;color:var(--t2)}

@media(max-width:760px){
  .workspace-head{align-items:stretch;flex-direction:column;padding-top:22px}
  .workspace-actions{justify-content:flex-start}
  .workspace-actions>.hbtn,.workspace-actions>.more-menu{flex:1 1 140px}
  .more-menu>summary{width:100%}
  .more-menu-panel{right:auto;left:0;width:min(260px,calc(100vw - 32px))}
  .member-hd{flex-wrap:wrap}
  .member-acts{width:100%;margin-left:28px;flex-wrap:wrap}
  .fr{flex-direction:column;gap:0}
}

@media(max-width:520px){
  .tb,.ct{padding-left:14px;padding-right:14px}
  .workspace-head{padding-right:14px;padding-left:14px}
  .workspace-summary>p{line-height:1.7}
  .workspace-actions{display:grid;grid-template-columns:1fr 1fr}
  .workspace-actions>.hbtn,.workspace-actions>.more-menu{width:100%}
  .workspace-actions>.hbtn.prim{grid-column:1/-1;grid-row:1}
  .more-menu-panel{right:0;left:auto}
  .tb{align-items:stretch;flex-direction:column}
  .sbox{width:100%}
  .view-toggle{width:100%}
  .view-toggle button{flex:1 1 auto}
  .member-acts{margin-left:0}
  .member-acts .mact-btn{flex:1 1 72px}
  .member-type-tags{width:100%;margin-left:28px}
  .folder-hd{align-items:flex-start;flex-wrap:wrap}
  .folder-name{min-width:120px}
  .folder-acts{width:100%;justify-content:flex-end}
  .cact{align-items:flex-start;flex-direction:column}
  .cact>div{width:100%;flex-wrap:wrap}
  .folder-papers{grid-template-columns:1fr}
  .portal-top{align-items:flex-start;flex-direction:column;padding:18px 16px}
  .portal-brand h1{font-size:24px}
  .portal-links{width:100%;align-items:stretch}
  .portal-links a{flex:1;justify-content:center}
  .lang-toggle{flex:0 0 auto}
  .lang-toggle button{min-width:44px;padding:7px 9px}
  .lang-long{display:none}
  .lang-short{display:inline}
  .login-gate{grid-template-columns:1fr;margin:32px auto;gap:24px;padding:0 16px}
  .login-copy h2{font-size:28px}
  .login-form{padding:22px 18px}
  .md{padding:18px 16px}
  .mf{align-items:stretch;flex-direction:column;gap:10px}
  .mf>.dialog-actions,.mf>div:last-child{width:100%;display:grid!important;grid-template-columns:1fr 1fr}
  .toast{max-width:calc(100vw - 28px);white-space:normal;text-align:center}
}

@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
}