:root{
  --brand:#9c4221; --brand-2:#c05621; --brand-soft:#fdf3ec;
  --bg:#faf7f4; --card:#fff; --line:#eadfd7;
  --text:#2f2a26; --muted:#8a7d72; --ok:#2f855a; --warn:#c05621; --err:#c53030;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:"Microsoft YaHei","PingFang SC",system-ui,sans-serif;background:var(--bg);color:var(--text);font-size:14px}
a{color:var(--brand);text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:14px}

/* 登录 */
#loginPage{display:flex;align-items:center;justify-content:center;min-height:100vh;
  background:linear-gradient(160deg,#fdf3ec 0%,#f5ede6 100%)}
.login-box{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:36px 34px;width:360px}
.login-box h1{font-size:20px;font-weight:600;margin-bottom:6px}
.login-box .sub{color:var(--muted);font-size:13px;margin-bottom:22px}
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}
.field input,.field select,.field textarea{width:100%;padding:9px 11px;border:1px solid var(--line);
  border-radius:8px;background:#fff;outline:none}
.field input:focus{border-color:var(--brand-2)}
.btn{display:inline-flex;align-items:center;gap:6px;padding:9px 16px;border-radius:8px;cursor:pointer;
  border:1px solid var(--brand);background:var(--brand);color:#fff;font-size:14px}
.btn:hover{background:var(--brand-2);border-color:var(--brand-2)}
.btn.ghost{background:#fff;color:var(--brand)}
.btn.ghost:hover{background:var(--brand-soft)}
.btn.sm{padding:5px 10px;font-size:13px}
.btn.danger{border-color:var(--err);background:var(--err)}
.btn.block{width:100%;justify-content:center;margin-top:8px}
.tip{font-size:12px;color:var(--muted);margin-top:14px;text-align:center}

/* 主框架 */
#mainPage{display:none}
header.top{display:flex;align-items:center;gap:14px;padding:0 20px;height:56px;
  background:var(--brand);color:#fff}
header.top .logo{font-size:16px;font-weight:600}
header.top .spacer{flex:1}
header.top .who{font-size:13px;opacity:.9}
header.top button{background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.35);
  color:#fff;padding:5px 12px;border-radius:6px;cursor:pointer;font-size:13px}
.layout{display:flex;min-height:calc(100vh - 56px)}
aside{width:180px;background:#fff;border-right:1px solid var(--line);padding:14px 10px}
aside .grp{font-size:12px;color:var(--muted);padding:10px 10px 6px}
aside .item{padding:9px 12px;border-radius:8px;cursor:pointer;font-size:14px;color:var(--text)}
aside .item:hover{background:var(--bg)}
aside .item.on{background:var(--brand-soft);color:var(--brand);font-weight:600}
main{flex:1;padding:18px 22px;overflow:auto}
h2.page{font-size:17px;font-weight:600;margin-bottom:14px}

/* 卡片与表格 */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-bottom:16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:14px 16px}
.card .k{font-size:12px;color:var(--muted)}
.card .v{font-size:22px;font-weight:600;margin-top:4px}
.panel{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:16px;margin-bottom:16px}
.panel h3{font-size:15px;font-weight:600;margin-bottom:12px}
.toolbar{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:12px}
.toolbar input,.toolbar select{padding:7px 10px;border:1px solid var(--line);border-radius:8px;background:#fff}
table{width:100%;border-collapse:collapse;font-size:13px}
th,td{padding:8px 10px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}
th{background:var(--bg);color:var(--muted);font-weight:600}
tbody tr:hover{background:#fdfaf8}
td.num,th.num{text-align:right}
.tag{padding:2px 8px;border-radius:20px;font-size:12px;background:var(--brand-soft);color:var(--brand)}
.tag.warn{background:#fffaf0;color:var(--warn)}
.tag.ok{background:#f0fff4;color:var(--ok)}
.empty{padding:26px;text-align:center;color:var(--muted);font-size:13px}
.msg{position:fixed;left:50%;top:18px;transform:translateX(-50%);padding:10px 18px;border-radius:8px;
  background:#2f2a26;color:#fff;font-size:13px;z-index:99;display:none}
.modal{position:fixed;inset:0;background:rgba(0,0,0,.35);display:none;align-items:center;justify-content:center;z-index:50}
.modal .box{background:#fff;border-radius:12px;padding:20px;width:520px;max-height:80vh;overflow:auto}
.modal .box h3{font-size:16px;margin-bottom:14px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
footer.site{padding:14px;text-align:center;color:var(--muted);font-size:12px;border-top:1px solid var(--line)}