:root{--bg:#f4f6fb;--card:#fff;--tx:#1e293b;--mut:#64748b;--pri:#4f46e5;--bd:#e2e8f0;--side:#1e1b4b}
.dark{--bg:#0f172a;--card:#1e293b;--tx:#e2e8f0;--mut:#94a3b8;--bd:#334155;--side:#020617}
*{box-sizing:border-box}body{margin:0;font-family:system-ui,"PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--tx);display:flex;min-height:100vh}
.side{width:220px;background:var(--side);color:#fff;padding:20px 12px;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.logo{font-size:20px;margin-bottom:24px;padding-left:8px}nav{flex:1}nav a{display:block;padding:10px 12px;border-radius:10px;cursor:pointer;color:#c7d2fe;margin-bottom:4px}
nav a:hover{background:#ffffff14}nav a.on{background:var(--pri);color:#fff}
main{flex:1;padding:28px;max-width:1400px;overflow:auto}.view{display:none;animation:f .3s}.view.on{display:block}@keyframes f{from{opacity:0;transform:translateY(6px)}}
h1{margin:0 0 6px}.sub,.hint{color:var(--mut)}.card{background:var(--card);border:1px solid var(--bd);border-radius:16px;padding:20px;margin:14px 0;box-shadow:0 4px 18px #0000000a}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px;margin-top:20px}.cards .card{cursor:pointer;transition:.2s;margin:0}.cards .card:hover{transform:translateY(-4px);border-color:var(--pri)}
.cards .ic{font-size:34px}input,select,textarea{width:100%;padding:10px 12px;border:1px solid var(--bd);border-radius:10px;background:var(--bg);color:var(--tx);font-size:15px;margin-top:4px}
label{display:block;margin:8px 0;font-size:14px;color:var(--mut)}.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.row input:not([type=color]):not([type=range]):not([type=file]){flex:1;min-width:200px}.row.c{justify-content:center}.row select{width:auto}
.btn{background:var(--pri);color:#fff;border:0;padding:10px 18px;border-radius:10px;cursor:pointer;font-size:15px;white-space:nowrap}.btn:hover{filter:brightness(1.1)}.btn.ghost{background:transparent;border:1px solid var(--bd);color:inherit}.btn.sm{padding:6px 10px;font-size:13px}.btn.red{background:#dc2626}
.grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:16px}.grid2 .card{margin:0}.grid4{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px}
.res{margin-top:12px;padding:12px;background:var(--bg);border-radius:10px;font-weight:600;color:var(--pri)}.big{font-size:22px}
.ptable{display:grid;grid-template-columns:repeat(18,minmax(42px,1fr));gap:4px;margin-top:14px}
.el{aspect-ratio:1;border-radius:8px;padding:3px;cursor:pointer;font-size:10px;display:flex;flex-direction:column;justify-content:space-between;color:#111;transition:.15s}
.el b{font-size:16px;text-align:center}.el:hover{transform:scale(1.18);z-index:2;box-shadow:0 6px 16px #0004}.el.dim{opacity:.15}.el span{text-align:center;font-size:9px}
.c-a{background:#fca5a5}.c-ae{background:#fdba74}.c-tm{background:#fde68a}.c-pm{background:#a7f3d0}.c-ml{background:#99f6e4}.c-nm{background:#93c5fd}.c-h{background:#c4b5fd}.c-ng{background:#f0abfc}.c-la{background:#fbcfe8}.c-ac{background:#e9d5ff}
.legend{display:flex;flex-wrap:wrap;gap:6px}.legend i{font-style:normal;font-size:12px;padding:3px 8px;border-radius:20px;color:#111;cursor:pointer}
.detail{display:flex;gap:24px;align-items:center}.detail .bigel{width:120px;height:120px;border-radius:16px;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#111}.bigel b{font-size:44px}
table{border-collapse:collapse;width:100%;margin-top:12px}td,th{border-bottom:1px solid var(--bd);padding:8px;text-align:left}
.opts{display:grid;gap:10px;margin:16px 0}.opts button{padding:14px;border-radius:10px;border:1px solid var(--bd);background:var(--bg);color:var(--tx);text-align:left;font-size:16px;cursor:pointer}
.opts .ok{background:#bbf7d0;color:#14532d}.opts .no{background:#fecaca;color:#7f1d1d}.pill{background:var(--pri);color:#fff;padding:4px 12px;border-radius:20px;margin-left:auto}
.notes{display:grid;grid-template-columns:260px 1fr;gap:16px}.nlist ul{list-style:none;padding:0}.nlist li{padding:10px;border-radius:8px;cursor:pointer}.nlist li.on,.nlist li:hover{background:var(--bg)}
.tools{display:flex;flex-wrap:wrap;gap:6px;margin:8px 0}.tools button{border:1px solid var(--bd);background:var(--bg);color:var(--tx);border-radius:6px;padding:4px 10px;cursor:pointer}.danger{color:#dc2626!important}
textarea{min-height:240px;font-family:inherit}.prev{margin-top:12px;padding:12px;border-top:1px dashed var(--bd)}
canvas{width:100%;background:#fff;border-radius:12px;margin-top:12px;border:1px solid var(--bd);touch-action:none}
.center{text-align:center}.clock{font-size:120px;font-weight:800;font-variant-numeric:tabular-nums;color:var(--pri)}
/* 资料库 */
.drop{border:2px dashed var(--bd);border-radius:14px;padding:26px;text-align:center;color:var(--mut);cursor:pointer;transition:.2s}.drop.hover{border-color:var(--pri);background:#4f46e510}
.tabs{display:flex;gap:6px;flex-wrap:wrap;margin:12px 0}.tabs button{border:1px solid var(--bd);background:var(--card);color:var(--tx);padding:6px 14px;border-radius:20px;cursor:pointer}.tabs button.on{background:var(--pri);color:#fff;border-color:var(--pri)}
.files{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px}.file{background:var(--card);border:1px solid var(--bd);border-radius:14px;padding:16px;display:flex;flex-direction:column;gap:8px;transition:.2s}.file:hover{border-color:var(--pri);transform:translateY(-3px)}
.ficon{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:13px}.fname{font-weight:600;word-break:break-all;cursor:pointer}.fmeta{font-size:12px;color:var(--mut)}.facts{display:flex;gap:6px;flex-wrap:wrap;margin-top:auto}
.t-word{background:#2b579a}.t-excel{background:#217346}.t-ppt{background:#d24726}.t-pdf{background:#e11d48}.t-img{background:#0ea5e9}.t-video{background:#7c3aed}.t-audio{background:#db2777}.t-text{background:#64748b}.t-other{background:#475569}
.prog{height:8px;background:var(--bg);border-radius:8px;overflow:hidden;margin-top:10px;display:none}.prog i{display:block;height:100%;width:0;background:var(--pri);transition:width .2s}
.viewer{position:fixed;inset:0;background:#000c;z-index:99;display:none;flex-direction:column}.viewer.on{display:flex}.vbar{display:flex;align-items:center;gap:8px;padding:10px 16px;background:#111827;color:#fff}.vbar b{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.vbody{flex:1;display:flex;align-items:center;justify-content:center;overflow:auto;background:#1f2937}.vbody iframe{width:100%;height:100%;border:0;background:#fff}.vbody img,.vbody video{max-width:100%;max-height:100%}.vbody pre{background:#fff;color:#111;padding:24px;width:min(900px,95%);white-space:pre-wrap;max-height:100%;overflow:auto;border-radius:8px}
.empty{text-align:center;color:var(--mut);padding:40px}
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:#111827;color:#fff;padding:10px 20px;border-radius:10px;z-index:200;opacity:0;transition:.3s;pointer-events:none}.toast.on{opacity:1}
@media(max-width:800px){body{flex-direction:column}.side{width:100%;height:auto;position:static}nav{display:flex;overflow:auto}nav a{white-space:nowrap}.notes{grid-template-columns:1fr}.ptable{overflow-x:auto;grid-template-columns:repeat(18,42px)}.clock{font-size:64px}}
/* 在线编辑 */
.tedit{width:100%;height:100%;display:flex;flex-direction:column;background:var(--card);padding:10px}
.tedit .tools{margin:0 0 8px}.tpanes{flex:1;display:grid;grid-template-columns:1fr 1fr;gap:10px;min-height:0}.tpanes.one{grid-template-columns:1fr}
.tpanes textarea{height:100%;min-height:0;resize:none;font-family:Consolas,"Courier New",monospace;font-size:15px;line-height:1.6;margin:0}
.tpanes .prev{overflow:auto;margin:0;border:1px solid var(--bd);border-radius:10px;background:var(--bg)}
.vbody pre table td,.vbody pre table th{color:#111}
@media(max-width:800px){.tpanes{grid-template-columns:1fr}.tpanes .prev{display:none}.vbar{flex-wrap:wrap}}