/* ============================================================
 * 需求中心（完整复刻版）样式
 * 设计语言与 style.css 保持一致：品牌蓝 #0052d9、卡片白、柔和浅底
 * 状态色：待处理(灰) 待评审(琥珀) 待排期(青) 开发中(蓝) 已上线(绿)
 * 紧急程度：P0(红) P1(橙) P2(蓝) P3(灰)
 * ============================================================ */

#view-demand{background:var(--bg);padding:0}
#view-demand.active{background:var(--bg)}

.dm-pad{padding:18px 22px 26px;max-width:1280px;margin:0 auto}

/* ---------- 头部 ---------- */
.dm-header{display:flex;align-items:flex-start;gap:14px;flex-wrap:wrap;
  padding:20px 22px 4px;max-width:1280px;margin:0 auto}
.dm-h1{font-size:20px;font-weight:600;letter-spacing:-.2px}
.dm-sub{font-size:12.5px;color:var(--text3);margin-top:4px}
.dm-header .dm-btn-primary{margin-left:auto;height:36px;padding:0 16px;font-size:13.5px}

.dm-btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:4px;
  background:var(--brand);color:#fff;border-radius:var(--radius);font-weight:500;
  border:none;cursor:pointer;transition:.15s;white-space:nowrap}
.dm-btn-primary:hover{background:var(--brand-hover)}
.dm-btn-primary:disabled{opacity:.6;cursor:default}
.dm-btn-primary.sm{height:30px;padding:0 13px;font-size:12.5px}
.dm-btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:4px;
  height:32px;padding:0 13px;border:1px solid var(--border);border-radius:var(--radius);
  background:#fff;font-size:13px;cursor:pointer;transition:.15s}
.dm-btn-ghost:hover{border-color:var(--brand);color:var(--brand)}

/* ---------- 统计卡片 ---------- */
.dm-stats{display:grid;grid-template-columns:repeat(6,1fr);gap:12px;
  padding:14px 22px 4px;max-width:1280px;margin:0 auto}
.dm-stats-loading{padding:26px;text-align:center;color:var(--text3);font-size:13px;grid-column:1/-1}
.dm-stat{background:var(--card);border:1px solid var(--border);border-radius:10px;
  padding:14px 14px 12px;cursor:pointer;transition:.15s;position:relative;overflow:hidden}
.dm-stat:hover{border-color:#c9d6f0;box-shadow:0 3px 14px rgba(0,82,217,.07)}
.dm-stat.on{border-color:var(--brand);background:var(--brand-soft2);box-shadow:0 3px 14px rgba(0,82,217,.1)}
.dm-stat::before{content:'';position:absolute;left:0;top:0;bottom:0;width:3px;border-radius:3px;background:transparent}
.dm-stat.on::before{background:var(--brand)}
.dm-stat-n{font-size:24px;font-weight:700;line-height:1.1;font-variant-numeric:tabular-nums;margin-bottom:5px}
.dm-stat-l{font-size:12.5px;color:var(--text2)}
.dm-stat-n.st-all{color:var(--brand)}
.dm-stat-n.st-todo{color:#86909c}
.dm-stat-n.st-review{color:#d97706}
.dm-stat-n.st-plan{color:#0a8ad4}
.dm-stat-n.st-doing{color:#6c5ce7}
.dm-stat-n.st-done{color:var(--ok)}

/* ---------- 工具栏 ---------- */
.dm-toolbar{display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  padding:14px 22px 4px;max-width:1280px;margin:0 auto}
.dm-left{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.dm-right{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-left:auto}
.dm-tabs{display:inline-flex;background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius);padding:2px;gap:2px}
.dm-tab{height:30px;padding:0 13px;border-radius:5px;font-size:13px;color:var(--text2);
  cursor:pointer;transition:.15s;white-space:nowrap}
.dm-tab:hover{color:var(--text)}
.dm-tab.on{background:var(--brand-soft);color:var(--brand);font-weight:500}
.dm-seg{display:inline-flex;background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius);padding:2px;gap:2px}
.dm-seg-btn{height:30px;padding:0 13px;border-radius:5px;font-size:13px;color:var(--text2);
  cursor:pointer;transition:.15s;white-space:nowrap}
.dm-seg-btn:hover{color:var(--text)}
.dm-seg-btn.on{background:var(--brand);color:#fff;font-weight:500}
.dm-sel{height:32px;border:1px solid var(--border);border-radius:var(--radius);
  padding:0 9px;background:#fff;font-size:13px;outline:none;cursor:pointer;color:var(--text);transition:.15s}
.dm-sel:focus{border-color:var(--brand);box-shadow:0 0 0 2px var(--brand-soft)}
.dm-search{height:32px;width:220px;border:1px solid var(--border);border-radius:var(--radius);
  padding:0 11px;font-size:13px;outline:none;background:#fff;transition:.15s}
.dm-search:focus{border-color:var(--brand);box-shadow:0 0 0 2px var(--brand-soft)}

/* ---------- 主体 ---------- */
.dm-body{padding:12px 22px 0;max-width:1280px;margin:0 auto;min-height:200px}
.dm-loading,.dm-error,.dm-empty{padding:60px 20px;text-align:center;color:var(--text3);font-size:13.5px}
.dm-error{color:var(--danger)}

/* ---------- 表格 ---------- */
.dm-tbl{width:100%;border-collapse:separate;border-spacing:0;
  background:var(--card);border:1px solid var(--border);border-radius:10px;overflow:hidden;font-size:13px}
.dm-tbl thead th{background:var(--bg);color:var(--text3);font-weight:600;font-size:12px;
  text-align:left;padding:11px 14px;border-bottom:1px solid var(--border);white-space:nowrap}
.dm-tbl tbody td{padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:middle;color:var(--text2)}
.dm-tbl tbody tr:last-child td{border-bottom:none}
.dm-tbl tbody tr{transition:.1s;cursor:pointer}
.dm-tbl tbody tr:hover{background:var(--brand-soft2)}
.dm-tt{color:var(--text);font-weight:500;max-width:340px}
.dm-tt .dm-code{display:block;font-size:11px;color:var(--text3);font-weight:400;margin-bottom:2px}
.dm-menu{font-size:11px;color:var(--text3);margin-top:3px;
  max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.dm-code{font-family:ui-monospace,Menlo,Consolas,monospace}
.dm-link{color:var(--brand);font-size:13px;cursor:pointer;white-space:nowrap}
.dm-link:hover{text-decoration:underline}

/* 状态标签 */
.dm-st{display:inline-block;padding:2px 9px;border-radius:11px;font-size:11.5px;font-weight:500;white-space:nowrap}
.dm-st.st-todo{background:#f2f3f5;color:#86909c}
.dm-st.st-review{background:#fff7e8;color:#d97706}
.dm-st.st-plan{background:#e6f4ff;color:#0a8ad4}
.dm-st.st-doing{background:#efeaff;color:#6c5ce7}
.dm-st.st-done{background:#e8fff4;color:var(--ok)}

/* 紧急程度标签 */
.dm-pri{display:inline-block;padding:2px 9px;border-radius:11px;font-size:11.5px;font-weight:500;white-space:nowrap}
.dm-pri.p0{background:#fff1f0;color:#d54941}
.dm-pri.p1{background:#fff7e8;color:#d97706}
.dm-pri.p2{background:#e8f1ff;color:var(--brand)}
.dm-pri.p3{background:#f2f3f5;color:#86909c}

/* 头像 */
.dm-av{display:inline-flex;width:24px;height:24px;border-radius:50%;flex-shrink:0;
  align-items:center;justify-content:center;font-size:11px;font-weight:600;
  background:var(--brand-soft);color:var(--brand);margin-right:6px;vertical-align:middle}
.dm-av.sm{width:22px;height:22px;font-size:10.5px}

/* ---------- 看板 ---------- */
.dm-kanban{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;align-items:start}
.dm-col{background:#eef0f4;border:1px solid var(--border);border-radius:10px;padding:10px;
  display:flex;flex-direction:column;min-height:120px;transition:.15s}
.dm-col-h{display:flex;align-items:center;gap:6px;font-size:13px;font-weight:600;
  color:var(--text2);padding:2px 4px 10px}
.dm-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}
.dm-dot.st-todo{background:#86909c}
.dm-dot.st-review{background:#d97706}
.dm-dot.st-plan{background:#0a8ad4}
.dm-dot.st-doing{background:#6c5ce7}
.dm-dot.st-done{background:var(--ok)}
.dm-col-n{margin-left:auto;font-size:11.5px;color:var(--text3);background:#fff;
  border-radius:10px;padding:1px 8px;font-weight:500}
.dm-cards{min-height:40px;display:flex;flex-direction:column;gap:9px}
.dm-cards.over{outline:2px dashed var(--brand);outline-offset:2px;border-radius:8px;background:var(--brand-soft2)}
.dm-col-empty{text-align:center;color:var(--text3);font-size:12px;padding:18px 0;
  border:1px dashed var(--border);border-radius:8px}
.dm-card{background:#fff;border:1px solid var(--border);border-radius:8px;padding:11px 12px;
  cursor:grab;transition:.12s;box-shadow:0 1px 2px rgba(0,0,0,.04)}
.dm-card:hover{border-color:#c9d6f0;box-shadow:0 3px 12px rgba(0,82,217,.09)}
.dm-card.dragging{opacity:.5;cursor:grabbing}
.dm-card-top{display:flex;align-items:center;gap:6px;margin-bottom:6px}
.dm-card-top .dm-code{font-size:10.5px;color:var(--text3)}
.dm-card-top .dm-pri{margin-left:auto;padding:1px 7px;font-size:10.5px}
.dm-card-tt{font-size:13px;font-weight:500;line-height:1.45;color:var(--text);margin-bottom:7px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.dm-card-port{font-size:11.5px;color:var(--text3);margin-bottom:9px;
  max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.dm-card-foot{display:flex;align-items:center;justify-content:space-between;font-size:11.5px;color:var(--text3)}
.dm-card-owner{display:flex;align-items:center;gap:0}

/* ---------- 底部 ---------- */
.dm-foot{display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  padding:14px 22px 22px;max-width:1280px;margin:0 auto;font-size:12.5px;color:var(--text2)}
.dm-foot-muted{color:var(--text3);font-size:12px}

/* ============================================================
 * 详情抽屉
 * ============================================================ */
.dm-drawer-mask{position:fixed;inset:0;background:rgba(15,23,42,.42);z-index:250;
  -webkit-backdrop-filter:blur(1px);backdrop-filter:blur(1px)}
.dm-drawer{position:absolute;top:0;right:0;bottom:0;width:560px;max-width:92vw;
  background:var(--card);box-shadow:-8px 0 40px rgba(0,0,0,.16);overflow-y:auto;
  animation:dmSlideIn .2s ease;display:flex;flex-direction:column}
@keyframes dmSlideIn{from{transform:translateX(24px);opacity:.6}to{transform:translateX(0);opacity:1}}
.dm-drawer-loading{padding:60px;text-align:center;color:var(--text3);font-size:13.5px}
.dm-drawer-h{position:sticky;top:0;background:var(--card);z-index:5;
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:14px 18px;
  border-bottom:1px solid var(--border)}
.dm-drawer-hl{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.dm-drawer-hl .dm-code{font-size:11px;color:var(--text3)}
.dm-drawer-actions{margin-left:auto;display:flex;align-items:center;gap:8px}
.dm-drawer-x{width:30px;height:30px;border-radius:6px;font-size:14px;color:var(--text3);
  display:flex;align-items:center;justify-content:center;cursor:pointer;transition:.15s;flex-shrink:0}
.dm-drawer-x:hover{background:var(--bg);color:var(--text)}
.dm-drawer-body{padding:16px 18px 40px;flex:1}
.dm-drawer-title{font-size:18px;font-weight:600;line-height:1.45;margin-bottom:14px;color:var(--text);word-break:break-word}

.dm-meta{display:grid;grid-template-columns:repeat(2,1fr);gap:10px 18px;
  background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:13px 15px;margin-bottom:16px}
.dm-meta-i{display:flex;flex-direction:column;gap:3px;min-width:0}
.dm-meta-l{font-size:11px;color:var(--text3)}
.dm-meta-v{font-size:13px;color:var(--text);word-break:break-word}
.dm-meta-v a{color:var(--brand)}

.dm-sec{margin-bottom:18px}
.dm-sec-t{font-size:13px;font-weight:600;color:var(--text2);margin-bottom:8px;
  padding-left:9px;border-left:3px solid var(--brand);line-height:1.3}
.dm-rich{font-size:14px;line-height:1.75;color:#2c3140;word-break:break-word;
  background:#fff;border:1px solid var(--line);border-radius:8px;padding:12px 14px}
.dm-rich p{margin:8px 0}
.dm-rich ul,.dm-rich ol{margin:8px 0;padding-left:20px}
.dm-rich li{margin:4px 0}
.dm-rich img{max-width:100%;height:auto;border-radius:6px;margin:8px 0;
  border:1px solid var(--line);cursor:zoom-in}
.dm-rich a{color:var(--brand)}
.dm-rich:empty{display:none}

/* 附件 */
.dm-att{display:flex;flex-wrap:wrap;gap:9px}
.dm-att-i{display:flex;align-items:center;gap:8px;padding:8px 12px;border:1px solid var(--border);
  border-radius:8px;background:#fff;transition:.15s;max-width:240px}
.dm-att-i:hover{border-color:var(--brand);background:var(--brand-soft2)}
.dm-att-ico{width:28px;height:28px;border-radius:6px;display:flex;align-items:center;justify-content:center;
  font-size:9px;font-weight:700;color:#fff;flex-shrink:0;letter-spacing:-.3px}
.dm-att-ico.IMG{background:var(--ok)}.dm-att-ico.PPT{background:#d54941}
.dm-att-ico.DOC{background:var(--brand)}.dm-att-ico.XLS{background:#0d7a5f}
.dm-att-ico.PDF{background:#e37318}.dm-att-ico.ZIP{background:#7c4dff}
.dm-att-ico.FILE{background:#86909c}
.dm-att-name{flex:1;min-width:0;font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* 评论 */
.dm-cmts{display:flex;flex-direction:column;gap:12px;margin-bottom:12px}
.dm-cmt{display:flex;gap:9px}
.dm-cmt-main{flex:1;min-width:0;background:var(--bg);border-radius:8px;padding:9px 12px}
.dm-cmt-h{display:flex;align-items:center;gap:8px;margin-bottom:4px}
.dm-cmt-h b{font-size:13px;font-weight:600}
.dm-cmt-h .mono{font-size:11px;color:var(--text3)}
.dm-cmt-c{font-size:13.5px;line-height:1.65;color:var(--text);word-break:break-word}
.dm-cmt-empty{font-size:12.5px;color:var(--text3);padding:14px 0;text-align:center}
.dm-cmt-box{display:flex;gap:9px;align-items:flex-start}
.dm-cmt-box textarea{flex:1;min-height:42px;resize:vertical;border:1px solid var(--border);
  border-radius:8px;padding:9px 11px;font-size:13.5px;outline:none;font-family:inherit;transition:.15s}
.dm-cmt-box textarea:focus{border-color:var(--brand);box-shadow:0 0 0 2px var(--brand-soft)}

/* 变更记录 */
.dm-acts{display:flex;flex-direction:column;gap:12px}
.dm-act{display:flex;gap:9px}
.dm-act-main{flex:1;min-width:0;background:var(--bg);border-radius:8px;padding:9px 12px}
.dm-act-h{font-size:12.5px;color:var(--text2);margin-bottom:4px}
.dm-act-h b{color:var(--text)}
.dm-act-h .mono{font-size:11px;color:var(--text3);font-weight:400}
.dm-act-ch{display:flex;flex-direction:column;gap:3px;margin-top:4px}
.dm-chg{font-size:12px;color:var(--text2)}
.dm-chg del{color:var(--danger);background:var(--danger-soft);text-decoration:line-through;
  padding:1px 4px;border-radius:3px;margin:0 2px}
.dm-chg ins{color:var(--ok);background:#e8fff4;text-decoration:none;
  padding:1px 4px;border-radius:3px;margin:0 2px}

/* ============================================================
 * 模态表单（新建 / 编辑）
 * ============================================================ */
.dm-mask{position:fixed;inset:0;background:rgba(15,23,42,.45);z-index:260;
  display:flex;align-items:flex-start;justify-content:center;padding:40px 16px;overflow-y:auto}
.dm-panel{width:680px;max-width:100%;background:#fff;border-radius:12px;
  box-shadow:0 16px 50px rgba(0,0,0,.22);padding:20px 24px 22px;margin:auto 0;
  animation:dmPop .18s ease}
@keyframes dmPop{from{transform:translateY(12px) scale(.98);opacity:.7}to{transform:translateY(0) scale(1);opacity:1}}
.dm-panel-h{display:flex;align-items:center;font-size:16px;font-weight:600;margin-bottom:4px}
.dm-panel-h .dm-drawer-x{margin-left:auto}
.dm-panel-sub{font-size:12.5px;color:var(--text3);margin-bottom:16px;line-height:1.6}

.dm-form{display:flex;flex-direction:column;gap:14px}
.dm-f{display:flex;flex-direction:column;gap:6px}
.dm-f-l{font-size:13px;font-weight:500;color:var(--text2)}
.dm-req{color:var(--danger);font-style:normal;font-weight:700}
.dm-input{height:36px;border:1px solid var(--border);border-radius:var(--radius);
  padding:0 11px;font-size:13.5px;outline:none;background:#fff;transition:.15s;width:100%}
.dm-input:focus{border-color:var(--brand);box-shadow:0 0 0 2px var(--brand-soft)}
.dm-input:disabled{background:var(--bg);color:var(--text3);cursor:not-allowed}
select.dm-input{cursor:pointer}

/* 富文本容器 */
.dm-richwrap{border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;background:#fff;transition:.15s}
.dm-richwrap:focus-within{border-color:var(--brand);box-shadow:0 0 0 2px var(--brand-soft)}
.dm-ce{outline:none;padding:10px 12px;font-size:14px;line-height:1.7;color:var(--text);
  min-height:90px;max-height:240px;overflow-y:auto}
.dm-ce:empty:before{content:attr(data-ph);color:var(--text3)}
.dm-ce p{margin:6px 0}
.dm-ce ul,.dm-ce ol{margin:6px 0;padding-left:20px}
.dm-ce img{max-width:100%;border-radius:5px;margin:4px 0}
.dm-ce-bar{display:flex;align-items:center;gap:4px;padding:5px 8px;background:var(--bg);
  border-bottom:1px solid var(--border);flex-wrap:wrap}
.dm-ce-bar button{height:26px;min-width:26px;padding:0 7px;border-radius:5px;font-size:12.5px;
  color:var(--text2);cursor:pointer;transition:.12s}
.dm-ce-bar button:hover{background:#fff;border-color:var(--border);color:var(--text)}
.dm-ce-img{display:inline-flex;align-items:center;height:26px;padding:0 9px;border-radius:5px;
  font-size:12.5px;color:var(--brand);cursor:pointer;background:var(--brand-soft2);transition:.12s}
.dm-ce-img:hover{background:var(--brand-soft)}

/* 附件拖放区 */
.dm-att-drop{border:1px dashed var(--border);border-radius:8px;padding:12px;background:#fcfcfd}
.dm-att-add{display:inline-flex;align-items:center;gap:5px;height:30px;padding:0 12px;
  border:1px solid var(--border);border-radius:var(--radius);font-size:12.5px;color:var(--text2);
  cursor:pointer;background:#fff;transition:.15s}
.dm-att-add:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft2)}
.dm-att-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.dm-att-chip{display:inline-flex;align-items:center;gap:6px;padding:4px 8px;border:1px solid var(--border);
  border-radius:6px;font-size:12px;background:#fff;max-width:200px}
.dm-att-chip .dm-att-ico{width:20px;height:20px;font-size:8px}
.dm-att-chip span:not(.dm-att-ico){overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.dm-att-chip button{margin-left:2px;color:var(--text3);font-size:13px;line-height:1;padding:0 3px;flex-shrink:0}
.dm-att-chip button:hover{color:var(--danger)}

/* 紧急程度单选 */
.dm-radios{display:grid;grid-template-columns:repeat(2,1fr);gap:9px}
.dm-radio{display:flex;align-items:center;gap:8px;padding:9px 12px;border:1px solid var(--border);
  border-radius:8px;cursor:pointer;transition:.15s;font-size:13px}
.dm-radio:hover{border-color:#c9d6f0;background:var(--brand-soft2)}
.dm-radio input{accent-color:var(--brand);width:15px;height:15px;flex-shrink:0}
.dm-radio:has(input:checked){border-color:var(--brand);background:var(--brand-soft2);font-weight:500}
.dm-radio b{color:var(--brand)}

.dm-submit-row{display:flex;justify-content:flex-end;gap:10px;margin-top:18px;
  padding-top:16px;border-top:1px solid var(--line)}

/* ============================================================
 * 响应式
 * ============================================================ */
@media (max-width:1180px){
  .dm-stats{grid-template-columns:repeat(3,1fr)}
  .dm-kanban{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:860px){
  .dm-stats{grid-template-columns:repeat(2,1fr)}
  .dm-kanban{grid-template-columns:1fr}
  .dm-toolbar{padding:12px 16px 4px}
  .dm-right{width:100%}
  .dm-search{width:100%}
  .dm-tbl{font-size:12.5px}
  .dm-drawer{width:100%;max-width:100%}
  .dm-meta{grid-template-columns:1fr}
  .dm-radios{grid-template-columns:1fr}
  .dm-header,.dm-stats,.dm-body,.dm-foot{padding-left:16px;padding-right:16px}
}