*{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#f4f6f9; --card:#fff; --line:#e5e8ed; --txt:#1c2026; --muted:#868e99;
  --blue:#2b6cff; --green:#17b26a; --orange:#f79009; --red:#f04438; --purple:#7a5af8;
  --shadow:0 1px 3px rgba(16,24,40,.08),0 1px 2px rgba(16,24,40,.06);
}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
  background:var(--bg);color:var(--txt);font-size:14px;-webkit-font-smoothing:antialiased}
.hidden{display:none!important}
a{cursor:pointer;color:var(--blue);text-decoration:none}

/* 登录 */
.login-wrap{height:100vh;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#1e3c72,#2a5298)}
.login-box{background:#fff;padding:40px 36px;border-radius:14px;width:360px;
  box-shadow:0 18px 40px rgba(0,0,0,.18)}
.login-box h1{font-size:22px;text-align:center;margin-bottom:6px}
.login-box .sub{text-align:center;color:var(--muted);font-size:12px;margin-bottom:24px}
.login-box input{width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:8px;
  margin-bottom:12px;font-size:14px;outline:none;transition:.15s}
.login-box input:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(43,108,255,.1)}
.login-box button{width:100%;padding:12px;background:var(--blue);color:#fff;border:0;
  border-radius:8px;font-size:15px;cursor:pointer;font-weight:500}
.login-box button:hover{background:#1f5be0}
.login-box .tip{text-align:center;color:var(--red);font-size:12px;margin-top:12px;min-height:16px}

/* 布局 */
#app{display:flex;height:100vh}
.side{width:190px;background:#151b26;color:#c3cad6;display:flex;flex-direction:column;flex-shrink:0}
.brand{padding:20px 18px;font-size:16px;font-weight:600;color:#fff;border-bottom:1px solid #232c3b}
#nav{flex:1;padding:10px 0;overflow-y:auto}
#nav a{display:block;padding:11px 18px;color:#c3cad6;font-size:13.5px;border-left:3px solid transparent}
#nav a:hover{background:#1d2533;color:#fff}
#nav a.on{background:#1d2533;color:#fff;border-left-color:var(--blue)}
.side-foot{padding:14px 18px;border-top:1px solid #232c3b;font-size:12px;
  display:flex;justify-content:space-between;align-items:center}
.side-foot a{color:#8b95a5}

.main{flex:1;display:flex;flex-direction:column;overflow:hidden}
.topbar{height:56px;background:#fff;border-bottom:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;padding:0 22px;flex-shrink:0}
.topbar h2{font-size:16px;font-weight:600}
.topbar-right{display:flex;align-items:center;gap:14px;font-size:13px;color:var(--muted)}
.topbar-right select{padding:6px 10px;border:1px solid var(--line);border-radius:6px;outline:none;font-size:13px}
.view{flex:1;overflow-y:auto;padding:20px 22px}

/* 卡片 */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;margin-bottom:18px}
.kpi{background:var(--card);border-radius:10px;padding:16px 18px;box-shadow:var(--shadow)}
.kpi .k{font-size:12px;color:var(--muted);margin-bottom:7px}
.kpi .v{font-size:26px;font-weight:600;line-height:1.1}
.kpi .v small{font-size:13px;font-weight:400;color:var(--muted);margin-left:3px}
.kpi.blue .v{color:var(--blue)} .kpi.green .v{color:var(--green)}
.kpi.orange .v{color:var(--orange)} .kpi.purple .v{color:var(--purple)}

.panel{background:var(--card);border-radius:10px;box-shadow:var(--shadow);margin-bottom:18px;overflow:hidden}
.panel-head{padding:14px 18px;border-bottom:1px solid var(--line);display:flex;
  justify-content:space-between;align-items:center}
.panel-head h3{font-size:14px;font-weight:600}
.panel-body{padding:16px 18px}
.panel-body.nopad{padding:0}

/* 按钮 */
.btn{padding:7px 14px;border-radius:7px;border:1px solid var(--line);background:#fff;
  cursor:pointer;font-size:13px;color:var(--txt);transition:.15s}
.btn:hover{border-color:#c9cfd8;background:#fafbfc}
.btn.p{background:var(--blue);color:#fff;border-color:var(--blue)}
.btn.p:hover{background:#1f5be0}
.btn.d{color:var(--red);border-color:#fecdca}
.btn.d:hover{background:#fef3f2}
.btn.sm{padding:4px 10px;font-size:12px}
.btn.g{background:var(--green);color:#fff;border-color:var(--green)}
.btn.g:hover{background:#128f55}

/* 表格 */
table{width:100%;border-collapse:collapse;font-size:13px}
th{text-align:left;padding:10px 14px;background:#fafbfc;color:var(--muted);
  font-weight:500;font-size:12px;border-bottom:1px solid var(--line)}
td{padding:11px 14px;border-bottom:1px solid #f0f2f5}
tr:last-child td{border-bottom:0}
tbody tr:hover{background:#fafbfc}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* 标签 */
.tag{display:inline-block;padding:2px 9px;border-radius:20px;font-size:11.5px;font-weight:500}
.tag.blue{background:#eaf1ff;color:#2b6cff}
.tag.green{background:#e7f8ef;color:#0f9152}
.tag.orange{background:#fff4e6;color:#c2680a}
.tag.red{background:#fef0ef;color:#c72f23}
.tag.gray{background:#f0f2f5;color:#6b7480}
.tag.purple{background:#f2effe;color:#6240e0}

/* 房态格子 */
.rooms{display:grid;grid-template-columns:repeat(auto-fill,minmax(92px,1fr));gap:9px}
.room{border-radius:8px;padding:10px 8px;text-align:center;cursor:pointer;
  border:1.5px solid transparent;transition:.15s;position:relative}
.room:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,0,0,.1)}
.room .rn{font-size:15px;font-weight:600;font-variant-numeric:tabular-nums}
.room .rs{font-size:11px;margin-top:3px;opacity:.85}
.room .rg{font-size:10.5px;margin-top:2px;opacity:.7;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.room.s0{background:#f0f9f3;color:#0f7a45;border-color:#c6ecd8}    /* 空闲 */
.room.s1{background:#eaf1ff;color:#1a4fd6;border-color:#c2d6ff}    /* 已住 */
.room.s2{background:#fff4e6;color:#a35c07;border-color:#ffe0b2}    /* 维修 */
.room.s3{background:#f2effe;color:#5b3fd8;border-color:#ddd4fd}    /* 预订 */
.room.s4{background:#f0f2f5;color:#6b7480;border-color:#dde1e7}    /* 脏房 */
.room.s5{background:#fef0ef;color:#b52a1f;border-color:#fdd4d1}    /* 停用 */

/* 表单 */
.form-row{display:flex;gap:12px;margin-bottom:13px;flex-wrap:wrap}
.form-row>div{flex:1;min-width:130px}
.form-row label{display:block;font-size:12px;color:var(--muted);margin-bottom:5px}
.form-row input,.form-row select,.form-row textarea{width:100%;padding:8px 11px;
  border:1px solid var(--line);border-radius:7px;font-size:13px;outline:none;font-family:inherit}
.form-row input:focus,.form-row select:focus{border-color:var(--blue)}
.form-row input:disabled{background:#f7f8fa;color:var(--muted)}

/* 弹窗 */
.modal-mask{position:fixed;inset:0;background:rgba(16,24,40,.5);display:flex;
  align-items:center;justify-content:center;z-index:100;padding:20px}
.modal{background:#fff;border-radius:12px;width:100%;max-width:620px;max-height:88vh;
  display:flex;flex-direction:column;box-shadow:0 20px 50px rgba(0,0,0,.25)}
.modal-head{padding:16px 20px;border-bottom:1px solid var(--line);
  display:flex;justify-content:space-between;align-items:center}
.modal-head h3{font-size:15px;font-weight:600}
.modal-head a{color:var(--muted);font-size:16px}
.modal-body{padding:18px 20px;overflow-y:auto;flex:1}
.modal-foot{padding:14px 20px;border-top:1px solid var(--line);display:flex;
  justify-content:flex-end;gap:10px}

/* 提示 */
.toast{position:fixed;top:24px;left:50%;transform:translateX(-50%);background:#1c2026;
  color:#fff;padding:11px 22px;border-radius:8px;font-size:13px;z-index:200;
  box-shadow:0 8px 22px rgba(0,0,0,.2)}
.toast.err{background:var(--red)}
.toast.ok{background:var(--green)}

/* 其他 */
.empty{text-align:center;color:var(--muted);padding:36px 0;font-size:13px}
.toolbar{display:flex;gap:10px;align-items:center;margin-bottom:14px;flex-wrap:wrap}
.toolbar input,.toolbar select{padding:7px 11px;border:1px solid var(--line);
  border-radius:7px;font-size:13px;outline:none}
.summary{display:flex;gap:22px;padding:13px 18px;background:#fafbfc;
  border-radius:8px;font-size:13px;flex-wrap:wrap}
.summary b{font-variant-numeric:tabular-nums}