/* 界面规范页专用：演示区组件样式（作用域 .demo，不影响文档正文） */
.demo{
  --d-bg:#f5f7f9; --d-surface:#ffffff; --d-elev:#ffffff; --d-text:#1f2937;
  --d-text2:#5b6573; --d-text3:#9aa7b8; --d-line:#e3e7ec; --d-line2:#cfd6de;
  --d-brand:#2f76a8; --d-brand-h:#245f8a; --d-brand-weak:#eef6fb;
  --d-ok:#2e7d52; --d-warn:#b26a12; --d-danger:#b42318; --d-info:#2f76a8;
  --d-ok-bg:#eef8f1; --d-warn-bg:#fff6e8; --d-danger-bg:#fdeeee; --d-info-bg:#eef6fb;
  border:1px solid var(--line);border-radius:12px;background:var(--d-bg);
  padding:18px;margin:14px 0;color:var(--d-text);font-size:14px;
}
.demo[data-d="dark"]{
  --d-bg:#0e1116; --d-surface:#161b22; --d-elev:#1c232c; --d-text:#e6edf5;
  --d-text2:#9aa7b8; --d-text3:#6b7788; --d-line:#2a323d; --d-line2:#3a4453;
  --d-brand:#6aa8d6; --d-brand-h:#8dbde4; --d-brand-weak:#16222e;
  --d-ok:#4fb783; --d-warn:#e0a45a; --d-danger:#f07067; --d-info:#6aa8d6;
  --d-ok-bg:#12241a; --d-warn-bg:#2a2113; --d-danger-bg:#2a1717; --d-info-bg:#141f2a;
  border-color:var(--line);
}
.demo .lab{font-size:12px;letter-spacing:1px;color:var(--d-text2);text-transform:uppercase;
  margin:0 0 10px;font-weight:600}
.demo .row{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin:10px 0}
.demo .split{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.demo .pane{background:var(--d-surface);border:1px solid var(--d-line);border-radius:10px;padding:14px}
.demo .pane h5{margin:0 0 8px;font-size:13px;color:var(--d-text2);font-weight:600}

/* 色板 */
.sw-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(92px,1fr));gap:8px}
.sw{border-radius:8px;overflow:hidden;border:1px solid var(--d-line);background:var(--d-surface)}
.sw i{display:block;height:44px}
.sw b{display:block;font-size:11px;padding:5px 7px 0;font-weight:600;color:var(--d-text)}
.sw span{display:block;font-size:10.5px;padding:0 7px 6px;color:var(--d-text2);
  font-family:ui-monospace,Menlo,Consolas,monospace}

/* 按钮 */
.btn{height:36px;padding:0 16px;border-radius:8px;border:1px solid transparent;
  font-size:14px;font-weight:500;cursor:pointer;display:inline-flex;align-items:center;
  justify-content:center;gap:6px;font-family:inherit;transition:.15s;line-height:1}
.btn.pri{background:var(--d-brand);color:#fff}
.btn.pri:hover{background:var(--d-brand-h)}
.btn.sec{background:var(--d-surface);color:var(--d-text);border-color:var(--d-line2)}
.btn.sec:hover{border-color:var(--d-brand);color:var(--d-brand)}
.btn.ghost{background:transparent;color:var(--d-brand)}
.btn.ghost:hover{background:var(--d-brand-weak)}
.btn.danger{background:var(--d-danger);color:#fff}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btn.lg{height:44px;padding:0 22px;font-size:15px}
.btn.sm{height:30px;padding:0 12px;font-size:13px}
.btn.blk{width:100%}

/* 输入 */
.field{display:flex;flex-direction:column;gap:6px;min-width:180px}
.field label{font-size:13px;color:var(--d-text2)}
.inp{height:36px;border:1px solid var(--d-line2);border-radius:8px;padding:0 12px;
  background:var(--d-surface);color:var(--d-text);font-size:14px;font-family:inherit;outline:none}
.inp:focus{border-color:var(--d-brand);box-shadow:0 0 0 3px var(--d-brand-weak)}
.inp::placeholder{color:var(--d-text3)}
.inp.err{border-color:var(--d-danger)}
.hint{font-size:12px;color:var(--d-text2)}
.hint.err{color:var(--d-danger)}

/* 标签 */
.bdg{display:inline-flex;align-items:center;gap:4px;height:22px;padding:0 9px;
  border-radius:999px;font-size:12px;font-weight:500}
.bdg.ok{background:var(--d-ok-bg);color:var(--d-ok)}
.bdg.warn{background:var(--d-warn-bg);color:var(--d-warn)}
.bdg.danger{background:var(--d-danger-bg);color:var(--d-danger)}
.bdg.info{background:var(--d-info-bg);color:var(--d-info)}
.bdg.neutral{background:var(--d-bg);color:var(--d-text2);border:1px solid var(--d-line)}
.dot{width:6px;height:6px;border-radius:50%;background:currentColor}

/* 迷你表格 */
.mt{width:100%;border-collapse:separate;border-spacing:0;font-size:13px;
  background:var(--d-surface);border:1px solid var(--d-line);border-radius:10px;
  margin:0;overflow:hidden}
.mt th,.mt td{padding:8px 10px;border-bottom:1px solid var(--d-line);text-align:left;
  border-right:0;position:static;background:transparent;white-space:nowrap}
.mt thead th{background:var(--d-bg);color:var(--d-text2);font-weight:600;font-size:12px}
.mt tbody tr:nth-child(even){background:transparent}
.mt tr:last-child td{border-bottom:0}
.mt td.num{text-align:right;font-variant-numeric:tabular-nums}
.demo[data-d="dark"] .mt{border-color:var(--d-line2)}

/* 手机/平板框 */
.phone{width:300px;border:8px solid #1c232c;border-radius:30px;background:var(--d-surface);
  overflow:hidden;box-shadow:0 12px 30px rgba(0,0,0,.18)}
.phone .bar{height:32px;display:flex;align-items:center;justify-content:center;
  font-size:11px;color:var(--d-text2);border-bottom:1px solid var(--d-line)}
.phone .body{padding:12px;display:flex;flex-direction:column;gap:10px}
.tabbar{display:flex;border-top:1px solid var(--d-line);background:var(--d-surface)}
.tabbar div{flex:1;text-align:center;font-size:11px;padding:8px 0;color:var(--d-text3)}
.tabbar div.on{color:var(--d-brand);font-weight:600}

/* 工单卡 */
.ocard{background:var(--d-surface);border:1px solid var(--d-line);border-radius:12px;padding:12px}
.ocard .top{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}
.ocard .no{font-size:13px;font-weight:600;letter-spacing:.3px;font-variant-numeric:tabular-nums}
.ocard .car{font-size:14px;margin:2px 0 4px}
.ocard .meta{font-size:12px;color:var(--d-text2)}
.ocard .ops{display:flex;gap:8px;margin-top:10px}

/* 状态条 */
.offline{display:flex;align-items:center;gap:8px;background:var(--d-warn-bg);color:var(--d-warn);
  border-radius:8px;padding:8px 12px;font-size:13px}
.toast{display:inline-flex;align-items:center;gap:8px;background:var(--d-elev);
  color:var(--d-text);border:1px solid var(--d-line);border-radius:8px;padding:9px 14px;
  font-size:13px;box-shadow:0 6px 18px rgba(0,0,0,.12)}
.empty{text-align:center;padding:22px 10px;color:var(--d-text2);font-size:13px}
.empty .ico{font-size:26px;display:block;margin-bottom:6px;opacity:.5}

/* 字号阶梯 */
.type-row{display:flex;align-items:baseline;gap:14px;padding:7px 0;border-bottom:1px dashed var(--d-line)}
.type-row:last-child{border-bottom:0}
.type-row code{font-size:11.5px;color:var(--d-text3);min-width:104px;flex:none}
.type-row .s{color:var(--d-text)}

/* 栅格示意 */
.grid-demo{display:grid;grid-template-columns:repeat(12,1fr);gap:6px}
.grid-demo i{display:block;height:38px;background:var(--d-brand-weak);
  border:1px solid var(--d-brand);border-radius:4px;opacity:.9}

/* 线框图 */
.fig{margin:16px 0}
.fig .cap{font-size:12.5px;color:var(--muted);margin:6px 0 0;line-height:1.6}
.fig .cap b{color:var(--navy);font-weight:600}
.wf{width:100%;height:auto;display:block;border-radius:12px;
  background:var(--card);border:1px solid var(--line)}
.wf rect,.wf line,.wf path,.wf circle,.wf polygon{fill:none;stroke:#cfd6de;stroke-width:1.2}
.wf .f{fill:#eef2f7;stroke:#cfd6de}
.wf .b{stroke:#2f76a8;stroke-width:1.6}
.wf .d{stroke-dasharray:5 4}
.wf .g{stroke:#9aa7b8;stroke-width:1}
.wf text{fill:#5b6573;font-size:11px;font-family:inherit;stroke:none}
.wf .ttl{font-size:12px;fill:#1b3a5c;font-weight:600}
.wf .dim{font-size:9px;fill:#9aa7b8;letter-spacing:.4px}
.wf .sm{font-size:9.5px}
html[data-theme="dark"] .wf{background:#161b22;border-color:#2a323d}
html[data-theme="dark"] .wf rect,
html[data-theme="dark"] .wf line,
html[data-theme="dark"] .wf path,
html[data-theme="dark"] .wf circle,
html[data-theme="dark"] .wf polygon{stroke:#546275}
html[data-theme="dark"] .wf .f{fill:#1f2833;stroke:#546275}
html[data-theme="dark"] .wf .b{stroke:#7cb5e0;stroke-width:1.8}
html[data-theme="dark"] .wf .d{stroke:#6f7d90}
html[data-theme="dark"] .wf .g{stroke:#6f7d90}
html[data-theme="dark"] .wf text{fill:#b6c2d1}
html[data-theme="dark"] .wf .ttl{fill:#e2ebf6}
html[data-theme="dark"] .wf .dim{fill:#8d9aab}

/* 图例 */
.legend{display:flex;flex-wrap:wrap;gap:16px;font-size:12.5px;color:var(--muted);
  background:var(--th-bg2);border:1px solid var(--line);border-radius:10px;padding:10px 14px;margin:12px 0}
.legend i{display:inline-block;width:22px;height:12px;border-radius:3px;
  border:1.2px solid #cfd6de;margin-right:6px;vertical-align:-1px}
.legend i.solid{background:#eef2f7}
.legend i.dash{border-style:dashed}
.legend i.blue{border-color:#2f76a8;background:#eef6fb}
html[data-theme="dark"] .legend i{border-color:#3a4453}
html[data-theme="dark"] .legend i.solid{background:#1f2833}
html[data-theme="dark"] .legend i.blue{border-color:#6aa8d6;background:#16222e}

@media (max-width:820px){
  .demo .split{grid-template-columns:1fr}
}