/* 雄哥文库 - 样式 */
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:"Microsoft YaHei","PingFang SC",system-ui,sans-serif;background:#f5f6fa;color:#222}
.hide{display:none!important}
.wrap{max-width:1200px;margin:0 auto;padding:0 16px}

/* 顶栏 */
.topbar{background:#fff;box-shadow:0 1px 4px rgba(0,0,0,.06);position:sticky;top:0;z-index:50}
.bar-inner{display:flex;align-items:center;gap:18px;height:60px}
.logo{font-size:20px;font-weight:700;color:#3b6ef5;text-decoration:none;white-space:nowrap}
.search-box{flex:1;display:flex;max-width:560px}
.search-box input{flex:1;border:2px solid #3b6ef5;border-right:0;border-radius:8px 0 0 8px;padding:8px 14px;font-size:14px;outline:none}
.search-box button{background:#3b6ef5;color:#fff;border:0;border-radius:0 8px 8px 0;padding:0 22px;font-size:14px;cursor:pointer}
.search-box button:hover{background:#2d5be0}
.bar-actions{display:flex;gap:10px;margin-left:auto}

/* 按钮 */
.btn{border-radius:8px;padding:9px 18px;font-size:14px;cursor:pointer;border:1px solid transparent;text-decoration:none;display:inline-block}
.btn.primary{background:#3b6ef5;color:#fff}
.btn.primary:hover{background:#2d5be0}
.btn.ghost{background:#fff;color:#555;border-color:#ddd}
.btn.ghost:hover{border-color:#3b6ef5;color:#3b6ef5}
.btn.sm{padding:5px 12px;font-size:13px}

/* 统计条 */
.stats-row{display:flex;gap:14px;margin-top:16px;font-size:13px;color:#666}
.stats-row .chip{background:#fff;border:1px solid #e7e8ee;border-radius:20px;padding:6px 14px}
.stats-row b{color:#3b6ef5}

/* 分类导航 */
.cat-nav{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}
.cat-nav .cat{padding:7px 16px;border-radius:20px;background:#fff;border:1px solid #e0e2ea;cursor:pointer;font-size:13px;color:#444}
.cat-nav .cat.active{background:#3b6ef5;border-color:#3b6ef5;color:#fff}
.cat-nav .cat:hover:not(.active){border-color:#3b6ef5;color:#3b6ef5}

/* 文档卡片网格 */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(215px,1fr));gap:16px;margin:20px 0 40px}
.card{background:#fff;border-radius:12px;padding:14px;display:flex;flex-direction:column;gap:10px;border:1px solid #ececf2;transition:.15s;cursor:pointer}
.card:hover{transform:translateY(-3px);box-shadow:0 8px 24px rgba(59,110,245,.14)}
.card .icon-row{display:flex;justify-content:center}
.card .doc-icon{width:74px;height:96px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:26px;font-weight:700;color:#fff}
.card h4{font-size:14px;line-height:1.45;word-break:break-all;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:40px}
.card .meta{display:flex;justify-content:space-between;font-size:12px;color:#999}
.card .tagrow{display:flex;gap:5px;flex-wrap:wrap;min-height:20px}
.card .tag{background:#eef2ff;color:#3b6ef5;border-radius:10px;padding:1px 9px;font-size:11px}
.card .ops{display:flex;gap:6px;border-top:1px solid #f2f2f6;padding-top:9px}
.card .ops a,.card .ops button{flex:1;text-align:center;font-size:12px;padding:5px 0;border-radius:6px;border:1px solid #e2e4ec;background:#fafafc;cursor:pointer;color:#444;text-decoration:none}
.card .ops a:hover,.card .ops button:hover{color:#3b6ef5;border-color:#3b6ef5}
.empty{text-align:center;color:#999;padding:80px 0;font-size:15px}

/* 文档类型颜色 */
.t-pdf{background:linear-gradient(135deg,#e5484d,#ff7a59)}
.t-doc{background:linear-gradient(135deg,#2b6cb0,#4a9fe8)}
.t-ppt{background:linear-gradient(135deg,#dd6b20,#f6ad55)}
.t-xls{background:linear-gradient(135deg,#2f855a,#48bb78)}
.t-txt{background:linear-gradient(135deg,#697386,#9aa2b1)}
.t-img{background:linear-gradient(135deg,#805ad5,#b794f4)}

/* 弹窗 */
.modal{position:fixed;inset:0;background:rgba(15,18,30,.55);z-index:100;display:flex;align-items:center;justify-content:center;padding:24px}
.modal-card{background:#fff;border-radius:14px;width:520px;max-width:100%;max-height:90vh;overflow:auto;padding:26px}
.modal-card h3{margin-bottom:16px}
.modal-foot{margin-top:18px;text-align:right}
.field-row{display:flex;gap:10px;margin:14px 0}
.field-row input{flex:1;border:1px solid #ddd;border-radius:8px;padding:9px 12px;font-size:13px}

.dropzone{border:2px dashed #c3cbe8;border-radius:12px;padding:26px;text-align:center;color:#777}
.dropzone.drag{border-color:#3b6ef5;background:#f0f4ff}
.dropzone p{margin-bottom:10px;font-size:14px}
.file-label input{display:none}
.hint{font-size:12px;color:#aaa;line-height:1.7}

#progressList{margin-top:12px}
.prog-item{display:flex;align-items:center;gap:10px;font-size:13px;padding:6px 0}
.prog-bar{flex:1;height:6px;background:#eee;border-radius:3px;overflow:hidden}
.prog-bar i{display:block;height:100%;background:#3b6ef5;width:0;transition:width .2s}
.prog-ok{color:#2f855a}.prog-err{color:#e5484d}

/* 预览器 */
.viewer-card{background:#fff;border-radius:14px;width:min(1080px,100%);height:min(88vh,900px);display:flex;flex-direction:column;overflow:hidden}
.viewer-head{display:flex;align-items:center;gap:14px;padding:12px 18px;border-bottom:1px solid #eee}
.viewer-title{font-weight:600;font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:46%}
.viewer-meta{font-size:12px;color:#999}
.viewer-actions{margin-left:auto;display:flex;gap:8px}
.viewer-body{flex:1;background:#525659;position:relative}
#viewImg{position:absolute;inset:0;margin:auto;max-width:95%;max-height:95%;object-fit:contain}
#viewText{position:absolute;inset:0;margin:0;padding:28px;overflow:auto;color:#ddd;font-family:Consolas,monospace;font-size:14px;line-height:1.7;white-space:pre-wrap}
.fail-tip{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:#ccc;font-size:15px}

@media (max-width:720px){
  .bar-inner{flex-wrap:wrap;height:auto;padding:10px 0}
  .search-box{order:3;min-width:100%;max-width:none}
}