/* =========出租房管理系统 全局样式｜现代化后台UI｜无Bootstrap ========= */
:root {
    --primary:#1677ff;
    --success:#00b42a;
    --warning:#ff7d00;
    --danger:#f53f3f;
    --text-main:#1f2329;
    --text-secondary:#4e5969;
    --text-placeholder:#86909c;
    --bg-page:#f2f3f5;
    --bg-card:#ffffff;
    --border-color:#e5e6eb;
    --shadow-sm:0 1px 2px rgba(0,0,0,0.06);
    --shadow-md:0 2px 12px rgba(0,0,0,0.08);
    --radius:6px;
}
*{
    margin:0;
    padding:0;
    box-sizing:border-box;
}
body{
    font-family:"Microsoft Yahei",system-ui,-apple-system,Segoe UI,Roboto,sans‑serif;
    background-color:var(--bg-page);
    color:var(--text-main);
    line-height:1.65;
}

/* --------导航栏-------- */
.navbar{
    background-color:#1d2129;
    color:#fff;
    padding:14px 24px;
    display:flex;
    justify-content:space-between;
    align-items:center;
    box-shadow:var(--shadow-md);
}
.navbar-brand{
    font-size:20px;
    font-weight:600;
}
.navbar-brand i{
    margin-right:6px;
}
.navbar-nav a{
    display:inline-block;
    background:#323742;
    color:#ffffff;
    text-decoration:none;
    padding:8px 14px;
    border-radius:var(--radius);
    margin-left:8px;
    font-size:14px;
    transition:background 0.24s ease;
}
.navbar-nav a:hover{
    background:#494f5c;
}
.navbar-nav a.btn-success{
    background:var(--success);
}
.navbar-nav a.btn-success:hover{
    background:#009a23;
}
.navbar-nav a.btn-warning{
    background:var(--warning);
}
.navbar-nav a.btn-warning:hover{
    background:#e66c00;
}
.navbar-nav a.btn-danger{
    background:var(--danger);
}
.navbar-nav a.btn-danger:hover{
    background:#dc3838;
}
.navbar-nav a.btn-primary{
    background:var(--primary);
}
.navbar-nav a.btn-primary:hover{
    background:#0e62d9;
}
.navbar-nav a.btn-secondary{
    background:#6e7681;
}
.navbar-nav a.btn-secondary:hover{
    background:#5a616b;
}
.navbar-nav a.btn-info{
    background:#0fc6c2;
}
.navbar-nav a.btn-info:hover{
    background:#0ab3af;
}

/* --------容器-------- */
.container{
    max-width:1240px;
    margin:28px auto;
    padding:0 16px;
}
.container-sm{
    max-width:720px;
    margin:28px auto;
    padding:0 16px;
}

/* --------卡片组件-------- */
.card{
    background:var(--bg-card);
    border-radius:var(--radius);
    box-shadow:var(--shadow-sm);
    overflow:hidden;
}
.card-header{
    padding:16px 20px;
    border-bottom:1px solid var(--border-color);
    font-size:17px;
    font-weight:600;
    display:flex;
    align-items:center;
    gap:8px;
}
.card-body{
    padding:20px;
}
.card-block{
    background:var(--bg-card);
    border-radius:var(--radius);
    box-shadow:var(--shadow-sm);
    margin-top:24px;
    overflow:hidden;
}
.card-block-header{
    padding:16px 20px;
    border-bottom:1px solid var(--border-color);
    display:flex;
    justify-content:space-between;
    align-items:center;
}
.card-block-header h4{
    font-size:17px;
    font-weight:600;
    display:flex;
    align-items:center;
    gap:8px;
}
.card-block-header .tip-text{
    color:var(--text-placeholder);
    font-size:14px;
}

/* --------表单-------- */
.form-group{
    margin-bottom:18px;
}
.form-group label{
    display:block;
    margin-bottom:7px;
    font-weight:500;
    font-size:14px;
}
.form-control{
    width:100%;
    padding:10px 13px;
    border:1px solid var(--border-color);
    border-radius:var(--radius);
    font-size:14px;
    transition:border 0.2s;
}
.form-control:focus{
    outline:none;
    border-color:var(--primary);
}
textarea.form-control{
    min-height:96px;
    resize:vertical;
}
select.form-select{
    width:100%;
    padding:10px 13px;
    border:1px solid var(--border-color);
    border-radius:var(--radius);
    font-size:14px;
    background:#fff;
}
.text-danger{
    color:var(--danger);
}
.text-muted{
    color:var(--text-placeholder);
}
.text-info{
    color:var(--primary);
}

.alert{
    padding:13px 16px;
    border-radius:var(--radius);
    margin-bottom:18px;
    font-size:14px;
}
.alert-danger{
    background:#fff2f2;
    color:var(--danger);
    border:1px solid #ffcccc;
}
.alert-info{
    background:#e8f3ff;
    color:#0e62d9;
    border:1px solid #b3d8ff;
}

/* --------按钮-------- */
.btn{
    display:inline-block;
    padding:10px 17px;
    border:none;
    border-radius:var(--radius);
    cursor:pointer;
    font-size:14px;
    text-decoration:none;
    color:#fff;
    transition:background 0.24s ease;
}
.btn-sm{
    padding:5px 10px;
    font-size:13px;
}
.btn-primary{background:var(--primary);}
.btn-primary:hover{background:#0e62d9;}
.btn-success{background:var(--success);}
.btn-success:hover{background:#009a23;}
.btn-danger{background:var(--danger);}
.btn-danger:hover{background:#dc3838;}
.btn-secondary{background:#6e7681;}
.btn-secondary:hover{background:#5a616b;}
.btn-info{background:#0fc6c2;}
.btn-info:hover{background:#0ab3af;}
.btn-warning{background:var(--warning);}
.btn-warning:hover{background:#e66c00;}
.btn-block{
    width:100%;
    text-align:center;
}

/* --------状态胶囊badge-------- */
.badge{
    display:inline-block;
    padding:3px 9px;
    border-radius:12px;
    color:#fff;
    font-size:13px;
}
.badge-success{background:var(--success);}
.badge-warning{background:var(--warning);}
.badge-danger{background:var(--danger);}

/* --------表格-------- */
.table-wrap{
    overflow-x:auto;
}
table{
    width:100%;
    border-collapse:collapse;
    background:#fff;
}
th,td{
    border:1px solid var(--border-color);
    padding:12px 14px;
    font-size:14px;
}
th{
    background-color:#f7f8fa;
    text-align:left;
    font-weight:600;
    color:var(--text-secondary);
}
tbody tr{
    transition:background 0.2s;
}
tbody tr:hover{
    background-color:#f2f7ff;
}
.table-light{
    background-color:#f7f8fa;
    font-weight:500;
    width:30%;
}
.text-center{
    text-align:center;
}

/* --------布局工具类-------- */
.mt-2{margin-top:8px;}
.mt-3{margin-top:14px;}
.mt-4{margin-top:22px;}
.mb-3{margin-bottom:14px;}
.mb-4{margin-bottom:22px;}
.d-flex{
    display:flex;
}
.justify-between{
    justify-content:space-between;
    align-items:center;
}
.row-two{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:18px;
}

/* --------统计卡片-------- */
.stat-row{
    display:grid;
    grid-template-columns:1fr 1fr 1fr;
    gap:18px;
    margin-bottom:26px;
}
.stat-card{
    padding:22px;
    color:#fff;
    border-radius:var(--radius);
    box-shadow:var(--shadow-sm);
}
.stat-card.bg-primary{background:var(--primary);}
.stat-card.bg-success{background:var(--success);}
.stat-card.bg-danger{background:var(--danger);}
.stat-card h5{font-size:16px;opacity:0.92;margin-bottom:8px;font-weight:500;}
.stat-card h3{font-size:30px;font-weight:600;}

/* --------图片弹窗预览-------- */
#imgModal{
    display:none;
    position:fixed;
    top:0;left:0;
    width:100%;height:100%;
    background:rgba(0,0,0,0.82);
    z-index:9999;
    text-align:center;
    padding-top:44px;
}
#imgModal img{
    max-width:92%;
    max-height:86vh;
}
#imgModal .close{
    position:absolute;
    top:18px;right:36px;
    color:#ffffff;
    font-size:42px;
    cursor:pointer;
}

/* --------登录卡片-------- */
.login-wrap{
    max-width:440px;
    margin:70px auto 0;
    padding:0 16px;
}