:root{--bg:#f6f7f9;--card:#fff;--line:#e3e6eb;--text:#1f2329;--muted:#6b7280;--brand:#1f6feb;--danger:#d1242f;--ok:#1a7f37}
*{box-sizing:border-box}
body{margin:0;font:14px/1.5 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text)}
header{display:flex;align-items:center;justify-content:space-between;padding:14px 24px;background:var(--card);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
header h1{font-size:18px;margin:0}
header .sub{color:var(--muted);font-size:12px;margin-left:10px}
.actions{display:flex;gap:8px}
button{font:inherit;border:1px solid var(--line);background:#fff;border-radius:6px;padding:6px 12px;cursor:pointer}
button:hover{border-color:#b9c0ca}
button.primary{background:var(--brand);border-color:var(--brand);color:#fff}
button.danger{color:var(--danger)}
button.ok{color:var(--ok)}
button:disabled{opacity:.5;cursor:not-allowed}
main{padding:16px 24px}
.toolbar{display:flex;gap:8px;align-items:center;margin-bottom:10px;flex-wrap:wrap}
.toolbar input{padding:6px 10px;border:1px solid var(--line);border-radius:6px;min-width:220px}
.hint{color:var(--muted);font-size:12px}
.tablewrap{background:var(--card);border:1px solid var(--line);border-radius:8px;overflow:auto}
table{border-collapse:collapse;width:100%;min-width:900px}
th,td{padding:8px 10px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}
th{background:#fafbfc;font-weight:600;user-select:none;cursor:pointer;position:sticky;top:0}
th .arrow{color:var(--muted);font-size:11px;margin-left:4px}
tr.filters th{cursor:default;background:#fff;padding:4px 6px;font-weight:normal}
tr.filters input,tr.filters select{width:100%;min-width:70px;padding:3px 5px;border:1px solid var(--line);border-radius:4px;font:inherit;font-size:12px}
tr.filters .range{display:flex;gap:3px}
tr.filters .range input{min-width:46px}
td.num{text-align:right;font-variant-numeric:tabular-nums}
tbody tr:hover{background:#f3f6fb}
.empty{padding:40px;text-align:center;color:var(--muted)}
.pager{display:flex;gap:6px;align-items:center;justify-content:flex-end;margin-top:10px}
.badge{display:inline-block;padding:0 8px;border-radius:10px;font-size:12px}
.badge.pending{background:#fff4d6;color:#8a5a00}.badge.approved{background:#dafbe1;color:var(--ok)}.badge.rejected{background:#ffe1e1;color:var(--danger)}
.tabs{display:flex;gap:4px}
.tabs button.active{background:var(--text);color:#fff;border-color:var(--text)}
dialog{border:none;border-radius:10px;padding:0;box-shadow:0 10px 40px rgba(0,0,0,.2);max-width:92vw}
dialog::backdrop{background:rgba(0,0,0,.35)}
.dlg{padding:20px;min-width:340px}
.dlg h3{margin:0 0 14px}
.dlg .foot{display:flex;justify-content:flex-end;gap:8px;margin-top:16px}
.form{display:grid;grid-template-columns:110px 1fr;gap:10px 12px;align-items:center}
.form input,.form select{padding:6px 8px;border:1px solid var(--line);border-radius:6px;font:inherit;width:100%}
.form label .req{color:var(--danger)}
.err{color:var(--danger);margin-top:10px;min-height:1em}
.picker{display:flex;gap:12px;align-items:center}
.picker .col{display:flex;flex-direction:column;gap:6px}
.picker select{width:180px;height:230px;border:1px solid var(--line);border-radius:6px;font:inherit;padding:4px}
.picker .mid{display:flex;flex-direction:column;gap:8px}
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:#1f2329;color:#fff;padding:8px 16px;border-radius:6px;display:none;z-index:99}