/* ============================================================
   admin.css — 三雷服务平台 后台管理平面设计系统
   替代 theme.min.css + chrome.css（Bootstrap 主题）
   扁平 / 无渐变 / 品牌蓝 #4D6BFE 仅作强调
   ============================================================ */
:root{
  --s-indigo:#4D6BFE;
  --s-violet:#3D5BE8;
  --s-grad:linear-gradient(135deg,#4D6BFE 0%,#3D5BE8 50%,#2563eb 100%);
  --s-border:#e5e7eb;
  --s-bg:#f5f7fb;
  --s-text:#1f2937;
  --s-muted:#6b7280;
  --s-slate-50:#f8fafc;
  --s-slate-100:#f1f5f9;
  --s-slate-200:#e2e8f0;
  --s-radius:12px;
  --s-radius-sm:8px;
  --s-shadow:0 1px 2px rgba(16,24,40,.06),0 1px 3px rgba(16,24,40,.04);
}
*{box-sizing:border-box}
body{
  margin:0;background:var(--s-bg);color:var(--s-text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Microsoft YaHei",sans-serif;
  font-size:14px;line-height:1.6;
}
a{color:var(--s-indigo);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4,h5,h6{margin:0 0 .5rem;font-weight:600;color:#111827;line-height:1.3}
.h1{font-size:1.75rem}.h2{font-size:1.5rem}.h3{font-size:1.3rem}.h4{font-size:1.15rem}.h5{font-size:1rem}.h6{font-size:.9rem}
hr{border:0;border-top:1px solid var(--s-border);margin:1rem 0}
img{max-width:100%}
small,.small{font-size:.85em;color:var(--s-muted)}

/* ---------- 颜色工具 ---------- */
.text-primary{color:var(--s-indigo)!important}
.text-secondary{color:var(--s-muted)!important}
.text-muted{color:var(--s-muted)!important}
.text-danger{color:#dc2626!important}
.text-success{color:#16a34a!important}
.text-warning{color:#d97706!important}
.text-info{color:#0891b2!important}
.text-body{color:var(--s-text)!important}
.text-white{color:#fff!important}
.text-light-emphasis{color:#9ca3af!important}
.text-center{text-align:center}.text-start{text-align:left}.text-end{text-align:right}
.text-nowrap{white-space:nowrap}
.text-truncate{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.fw-bold{font-weight:700}.fw-semibold{font-weight:600}.fw-medium{font-weight:500}.fw-normal{font-weight:400}
.fs-4{font-size:1.25rem}.fs-5{font-size:1.1rem}.fs-6{font-size:.95rem}.fs-base{font-size:.95rem}.fs-xs{font-size:.78rem}
.lh-base{line-height:1.6}.lh-sm{line-height:1.4}

/* ---------- 布局 / 间距工具 ---------- */
.d-none{display:none!important}.d-block{display:block!important}.d-inline{display:inline!important}
.d-flex{display:flex!important}.d-inline-flex{display:inline-flex!important}
.d-lg-flex{display:flex!important}.d-lg-block{display:block!important}
.d-xl-inline{display:inline!important}
.flex-row{flex-direction:row}.flex-column{flex-direction:column!important}
.flex-wrap{flex-wrap:wrap}.flex-nowrap{flex-wrap:nowrap!important}
.flex-1{flex:1}.flex-grow-1{flex-grow:1}
.align-items-start{align-items:flex-start}.align-items-center{align-items:center!important}
.align-items-end{align-items:flex-end}.align-items-stretch{align-items:stretch}
.justify-content-start{justify-content:flex-start}.justify-content-center{justify-content:center!important}
.justify-content-end{justify-content:flex-end}.justify-content-between{justify-content:space-between!important}
.align-self-center{align-self:center}
.gap-0{gap:0}.gap-1{gap:.25rem}.gap-2{gap:.5rem}.gap-3{gap:1rem}.gap-4{gap:1.5rem}.gap-5{gap:3rem}
.m-0{margin:0}.m-1{margin:.25rem}.m-2{margin:.5rem}.m-3{margin:1rem}.m-4{margin:1.5rem}.m-5{margin:3rem}
.mx-auto{margin-left:auto!important;margin-right:auto!important}
.mt-0{margin-top:0}.mt-1{margin-top:.25rem}.mt-2{margin-top:.5rem}.mt-3{margin-top:1rem}.mt-4{margin-top:1.5rem}.mt-5{margin-top:3rem}.mt-auto{margin-top:auto}
.mb-0{margin-bottom:0!important}.mb-1{margin-bottom:.25rem!important}.mb-2{margin-bottom:.5rem!important}.mb-3{margin-bottom:1rem!important}.mb-4{margin-bottom:1.5rem!important}.mb-5{margin-bottom:3rem!important}
.ms-0{margin-left:0}.ms-1{margin-left:.25rem}.ms-2{margin-left:.5rem!important}.ms-3{margin-left:1rem}.ms-auto{margin-left:auto!important}
.me-0{margin-right:0}.me-1{margin-right:.25rem}.me-2{margin-right:.5rem}.me-3{margin-right:1rem}.me-auto{margin-right:auto!important}
.ml-2{margin-left:.5rem}.mr-2{margin-right:.5rem}
.p-0{padding:0}.p-1{padding:.25rem}.p-2{padding:.5rem}.p-3{padding:1rem!important}.p-4{padding:1.5rem}.p-5{padding:3rem}
.pt-1{padding-top:.25rem}.pt-2{padding-top:.5rem}.pt-3{padding-top:1rem}.pt-4{padding-top:1.5rem}.pt-5{padding-top:3rem}
.pb-1{padding-bottom:.25rem}.pb-2{padding-bottom:.5rem}.pb-3{padding-bottom:1rem}.pb-4{padding-bottom:1.5rem}.pb-5{padding-bottom:3rem}
.ps-1{padding-left:.25rem}.ps-2{padding-left:.5rem!important}.ps-3{padding-left:1rem}.pe-2{padding-right:.5rem}
.px-1{padding-left:.25rem;padding-right:.25rem}.px-2{padding-left:.5rem;padding-right:.5rem}.px-3{padding-left:1rem;padding-right:1rem}.px-4{padding-left:1.5rem;padding-right:1.5rem}
.py-1{padding-top:.25rem;padding-bottom:.25rem}.py-2{padding-top:.5rem;padding-bottom:.5rem!important}.py-3{padding-top:1rem;padding-bottom:1rem}.py-4{padding-top:1.5rem;padding-bottom:1.5rem}.py-5{padding-top:3rem;padding-bottom:3rem!important}
.mt-n2{margin-top:-.5rem}.mt-sm-0{margin-top:0}
.order-md-1{order:1}
.w-100{width:100%!important}.w-50{width:50%}.w-auto{width:auto}.h-100{height:100%!important}.min-w-0{min-width:0!important}
.position-relative{position:relative}.position-fixed{position:fixed}.position-absolute{position:absolute}
.top-0{top:0}.bottom-0{bottom:0!important}.start-0{left:0}.end-0{right:0!important}
.z-3{z-index:30}.z-10{z-index:100}.z-50{z-index:1000}
.shadow-none{box-shadow:none!important}
.border-0{border:0!important}.border{border:1px solid var(--s-border)}.border-top{border-top:1px solid var(--s-border)!important}.border-bottom{border-bottom:1px solid var(--s-border)!important}
.rounded{border-radius:var(--s-radius-sm)}.rounded-1{border-radius:6px}.rounded-2{border-radius:10px}.rounded-3{border-radius:var(--s-radius)}.rounded-circle{border-radius:50%!important}
.bg-white{background:#fff}.bg-light{background:var(--s-slate-100)!important}.bg-slate-50{background:var(--s-slate-50)}
.row{display:flex;flex-wrap:wrap;margin-left:-.5rem;margin-right:-.5rem}
.row>*{padding-left:.5rem;padding-right:.5rem}
/* Bootstrap row-cols-* 栅格补齐（后台去 Bootstrap 后缺失，.col 据此等宽） */
.row-cols-1>*{flex:0 0 auto;width:100%}
.row-cols-2>*{flex:0 0 auto;width:50%}
.row-cols-3>*{flex:0 0 auto;width:33.333333%}
.row-cols-4>*{flex:0 0 auto;width:25%}
.row-cols-5>*{flex:0 0 auto;width:20%}
.row-cols-6>*{flex:0 0 auto;width:16.666667%}
@media(min-width:576px){
.row-cols-sm-1>*{flex:0 0 auto;width:100%}
.row-cols-sm-2>*{flex:0 0 auto;width:50%}
.row-cols-sm-3>*{flex:0 0 auto;width:33.333333%}
.row-cols-sm-4>*{flex:0 0 auto;width:25%}
.row-cols-sm-5>*{flex:0 0 auto;width:20%}
.row-cols-sm-6>*{flex:0 0 auto;width:16.666667%}
}
@media(min-width:768px){
.row-cols-md-1>*{flex:0 0 auto;width:100%}
.row-cols-md-2>*{flex:0 0 auto;width:50%}
.row-cols-md-3>*{flex:0 0 auto;width:33.333333%}
.row-cols-md-4>*{flex:0 0 auto;width:25%}
.row-cols-md-5>*{flex:0 0 auto;width:20%}
.row-cols-md-6>*{flex:0 0 auto;width:16.666667%}
}
@media(min-width:992px){
.row-cols-lg-1>*{flex:0 0 auto;width:100%}
.row-cols-lg-2>*{flex:0 0 auto;width:50%}
.row-cols-lg-3>*{flex:0 0 auto;width:33.333333%}
.row-cols-lg-4>*{flex:0 0 auto;width:25%}
.row-cols-lg-5>*{flex:0 0 auto;width:20%}
.row-cols-lg-6>*{flex:0 0 auto;width:16.666667%}
}
@media(min-width:1200px){
.row-cols-xl-1>*{flex:0 0 auto;width:100%}
.row-cols-xl-2>*{flex:0 0 auto;width:50%}
.row-cols-xl-3>*{flex:0 0 auto;width:33.333333%}
.row-cols-xl-4>*{flex:0 0 auto;width:25%}
.row-cols-xl-5>*{flex:0 0 auto;width:20%}
.row-cols-xl-6>*{flex:0 0 auto;width:16.666667%}
}
@media(min-width:1400px){
.row-cols-xxl-1>*{flex:0 0 auto;width:100%}
.row-cols-xxl-2>*{flex:0 0 auto;width:50%}
.row-cols-xxl-3>*{flex:0 0 auto;width:33.333333%}
.row-cols-xxl-4>*{flex:0 0 auto;width:25%}
.row-cols-xxl-5>*{flex:0 0 auto;width:20%}
.row-cols-xxl-6>*{flex:0 0 auto;width:16.666667%}
}
.col-lg-2,.col-lg-3,.col-lg-5,.col-lg-7,.col-lg-10,.col-lg-12,
.col-md-2,.col-md-3,.col-md-4,.col-md-6,.col-sm-6,.col-12{
  width:100%;padding-left:.5rem;padding-right:.5rem;box-sizing:border-box
}
@media(min-width:768px){
  .col-md-2{width:16.6667%}.col-md-3{width:25%}.col-md-4{width:33.3333%}.col-md-6{width:50%}.col-sm-6{width:50%}
}
@media(min-width:992px){
  .col-lg-2{width:16.6667%}.col-lg-3{width:25%}.col-lg-5{width:41.6667%}.col-lg-7{width:58.3333%}.col-lg-10{width:83.3333%}.col-lg-12{width:100%}
  .d-lg-none{display:none!important}
}
@media(max-width:991px){.d-lg-flex{display:flex!important}}

/* ---------- 容器 ---------- */
.container,.container-fluid{width:100%;margin-right:auto;margin-left:auto;padding-right:1rem;padding-left:1rem}
@media(min-width:1280px){.container{max-width:1200px}}
.content-wrapper{min-height:calc(100vh - 64px)}

/* ============================================================
   组件
   ============================================================ */
/* ---- Card ---- */
.card{background:#fff;border:1px solid var(--s-border);border-radius:var(--s-radius);box-shadow:var(--s-shadow);margin-bottom:1rem;overflow:hidden}
.card-header{background:var(--s-slate-50);border-bottom:1px solid var(--s-border);padding:.85rem 1.1rem;font-weight:600;color:#111827;display:flex;align-items:center;justify-content:space-between;gap:.5rem}
.card-body{padding:1.1rem;flex:1 1 auto}
.card-footer{background:var(--s-slate-50);border-top:1px solid var(--s-border);padding:.85rem 1.1rem}
.card-title{margin-bottom:.5rem;font-weight:600}
.card .table{margin-bottom:0}

/* ---- Button ---- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.35rem;font-weight:500;font-size:.9rem;line-height:1.4;
  padding:.5rem .95rem;border-radius:var(--s-radius-sm);border:1px solid transparent;cursor:pointer;transition:background .15s,color .15s,border-color .15s;white-space:nowrap;user-select:none}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--s-indigo);color:#fff;border-color:var(--s-indigo)}
.btn-primary:hover{background:var(--s-violet);color:#fff}
.btn-secondary{background:#6b7280;color:#fff;border-color:#6b7280}
.btn-outline-primary{background:#fff;color:var(--s-indigo);border-color:var(--s-indigo)}
.btn-outline-primary:hover{background:var(--s-indigo);color:#fff}
.btn-outline-secondary{background:#fff;color:#4b5563;border-color:#d1d5db}
.btn-outline-secondary:hover{background:var(--s-slate-100);color:#111827}
.btn-outline-danger{background:#fff;color:#dc2626;border-color:#dc2626}
.btn-outline-danger:hover{background:#dc2626;color:#fff}
.btn-outline-success{background:#fff;color:#16a34a;border-color:#16a34a}
.btn-outline-success:hover{background:#16a34a;color:#fff}
.btn-success{background:#16a34a;color:#fff;border-color:#16a34a}
.btn-danger{background:#dc2626;color:#fff;border-color:#dc2626}
.btn-warning{background:#d97706;color:#fff;border-color:#d97706}
.btn-info{background:#0891b2;color:#fff;border-color:#0891b2}
.btn-light{background:var(--s-slate-100);color:#374151;border-color:var(--s-border)}
.btn-sm{padding:.3rem .6rem;font-size:.82rem;border-radius:6px}
.btn-xs,.btn-mini{padding:.18rem .45rem;font-size:.75rem;border-radius:5px;line-height:1.3}
.btn-close{box-sizing:border-box;width:1em;height:1em;padding:0;border:0;border-radius:50%;
  background:transparent;color:#6b7280;cursor:pointer;font-size:1.1em;line-height:1;opacity:.7}
.btn-close:before{content:"\00d7";font-size:1.2em;display:block;text-align:center}
.btn-close:hover{opacity:1;background:var(--s-slate-100)}

/* ---- Badge ---- */
.badge{display:inline-flex;align-items:center;padding:.2rem .55rem;font-size:.72rem;font-weight:600;border-radius:999px;line-height:1.3;white-space:nowrap}
.badge.bg-primary{background:var(--s-indigo);color:#fff}
.badge.bg-secondary{background:#6b7280;color:#fff}
.badge.bg-success{background:#16a34a;color:#fff}
.badge.bg-danger{background:#dc2626;color:#fff}
.badge.bg-warning{background:#f59e0b;color:#fff}
.badge.bg-info{background:#0891b2;color:#fff}
.badge.bg-light{background:var(--s-slate-100);color:#374151}
.text-bg-primary{background:var(--s-indigo);color:#fff;padding:.2rem .55rem;border-radius:999px;font-size:.72rem;font-weight:600}
.text-bg-success{background:#16a34a;color:#fff;padding:.2rem .55rem;border-radius:999px;font-size:.72rem;font-weight:600}
.text-bg-danger{background:#dc2626;color:#fff;padding:.2rem .55rem;border-radius:999px;font-size:.72rem;font-weight:600}
.text-bg-warning{background:#f59e0b;color:#fff;padding:.2rem .55rem;border-radius:999px;font-size:.72rem;font-weight:600}

/* ---- Alert ---- */
.alert{padding:.8rem 1rem;border-radius:var(--s-radius-sm);border:1px solid transparent;margin-bottom:1rem;display:flex;gap:.5rem;align-items:flex-start}
.alert-warning{background:#fffbeb;border-color:#fde68a;color:#92400e}
.alert-success{background:#f0fdf4;border-color:#bbf7d0;color:#166534}
.alert-danger{background:#fef2f2;border-color:#fecaca;color:#991b1b}
.alert-info{background:#ecfeff;border-color:#a5f3fc;color:#155e75}
.alert-primary{background:#eef4ff;border-color:#c7d7fe;color:#1e40af}

/* ---- Table ---- */
.table{width:100%;border-collapse:collapse;font-size:.9rem;background:#fff}
.table th,.table td{padding:.6rem .75rem;border-bottom:1px solid var(--s-border);text-align:left;vertical-align:middle}
.table thead th{background:var(--s-slate-50);font-weight:600;color:#374151;border-bottom:2px solid var(--s-border);white-space:nowrap}
.table tbody tr:hover{background:var(--s-slate-50)}
.table-sm th,.table-sm td{padding:.4rem .55rem}
.table-light th,.table-light td{background:var(--s-slate-100)}
.table-bordered{border:1px solid var(--s-border)}
.table-bordered th,.table-bordered td{border:1px solid var(--s-border)}
.table-responsive{overflow-x:auto;-webkit-overflow-scrolling:touch}
.table-active{background:var(--s-slate-50)!important}

/* ---- Form ---- */
.form-group{margin-bottom:1rem}
.form-label{display:block;margin-bottom:.35rem;font-weight:500;color:#374151}
.form-control{display:block;width:100%;padding:.5rem .7rem;font-size:.9rem;line-height:1.5;color:var(--s-text);
  background:#fff;border:1px solid #d1d5db;border-radius:var(--s-radius-sm);transition:border-color .15s,box-shadow .15s}
.form-control:focus{outline:0;border-color:var(--s-indigo);box-shadow:0 0 0 3px rgba(77,107,254,.15)}
.form-control:disabled,.form-control[readonly]{background:var(--s-slate-100);opacity:1}
.form-select{display:block;width:100%;padding:.5rem 2rem .5rem .7rem;font-size:.9rem;border:1px solid #d1d5db;border-radius:var(--s-radius-sm);background:#fff}
.form-check{display:flex;align-items:center;gap:.4rem;margin-bottom:.4rem}
.form-check-input{width:1rem;height:1rem;accent-color:var(--s-indigo)}
.form-text{font-size:.8rem;color:var(--s-muted);margin-top:.25rem}
.input-group{display:flex}
.input-group .form-control{border-radius:var(--s-radius-sm) 0 0 var(--s-radius-sm)}
.input-group .btn{border-radius:0 var(--s-radius-sm) var(--s-radius-sm) 0}

/* ---- Nav / 顶部导航 ---- */
.nav{display:flex;flex-wrap:wrap;padding-left:0;list-style:none;margin:0}
.nav-link{display:block;padding:.5rem .85rem;color:#4b5563;border-radius:8px;transition:background .15s,color .15s;cursor:pointer}
.nav-link:hover{background:var(--s-slate-100);color:#111827;text-decoration:none}
.nav-link.active{color:var(--s-indigo);background:#eef4ff;font-weight:600}
.navbar{display:flex;align-items:center}
.navbar-nav{display:flex;align-items:center;gap:.25rem;list-style:none;margin:0;padding:0}
.navbar-toggler{background:transparent;border:0;cursor:pointer;padding:.4rem;border-radius:8px}
.navbar-toggler:hover{background:var(--s-slate-100)}
.navbar-toggler-icon{display:inline-block;width:1.4em;height:1.4em;background:no-repeat center/100% 100%;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Cpath stroke='%234b5563' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E")}
.navbar-expand-lg{display:flex;align-items:center;width:100%}

/* ---- 顶部导航 sumly-nav（与前台 header.php 一致） ---- */
.sumly-nav{background:#fff;border-bottom:1px solid var(--s-border);position:relative}
.sumly-nav .nav-link{color:#4b5563;border-radius:8px;transition:all .2s}
.sumly-nav .nav-link:hover,.sumly-nav .nav-link.active{color:var(--s-indigo);background:#eef4ff}
.sumly-nav .navbar-toggler:focus{box-shadow:none}
.sumly-nav .dropdown-menu{border:0;border-radius:14px;box-shadow:0 12px 34px rgba(18,38,63,.14);padding:.5rem;margin-top:0;min-width:184px;background:#fff;list-style:none}
.sumly-nav .dropdown-menu::before{content:"";position:absolute;left:0;right:0;top:-10px;height:10px;display:block}
.sumly-nav .dropdown-item{padding:.6rem .9rem;border-radius:9px;font-size:.92rem;color:#1f2937;display:flex;align-items:center;gap:.5rem;transition:background .15s,color .15s;text-decoration:none}
.sumly-nav .dropdown-item:hover,.sumly-nav .dropdown-item:focus{background:#eef4ff;color:var(--s-indigo)}
.sumly-nav .dropdown-header{padding:.4rem .9rem;font-size:.78rem;color:var(--s-muted);font-weight:600}

/* 后台顶部主导航：PC 居中显示，手机端隐藏 */
.sumly-top-nav{display:flex;flex:1 1 0%;justify-content:center;align-items:center}
.sumly-top-nav .navbar-nav{display:flex;flex-direction:row;align-items:center;gap:.25rem}
@media (max-width:991.98px){
  .sumly-top-nav{display:none!important}
}

/* 后台 header 右上角账号区（消息/财务/账号）：仅桌面显示，手机端隐藏 */
@media (max-width:991.98px){
  .hdr-left{display:none!important}
}
.sumly-nav .dropdown-divider{height:0;border-top:1px solid var(--s-border);margin:.35rem 0;overflow:hidden}
.sumly-nav .hdr-right .nav-link{padding:.375rem .5rem!important}
@media(min-width:992px){.sumly-nav .dropdown:hover>.dropdown-menu{display:block}}

/* ---- brand ---- */
.sumly-brand{display:flex;align-items:center;gap:.55rem;font-weight:700;color:#111827;text-decoration:none}
.sumly-brand:hover{text-decoration:none}
.sumly-brand .s-logo{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:8px;background:var(--s-indigo);color:#fff;font-weight:700}
.sumly-brand .s-name{font-size:1.05rem;letter-spacing:.02em}

/* ---- 侧边栏 ---- */
.list-group{display:flex;flex-direction:column}
.list-group-borderless{list-style:none;padding:0;margin:0}
.list-group-item{display:block;padding:.55rem .75rem;background:#fff;border:0}
.list-group-item-action{color:#374151;text-decoration:none;transition:background .15s,color .15s}
.list-group-item-action:hover{background:var(--s-slate-100);color:#111827;text-decoration:none}
.list-group-item-action.active{background:#eef4ff;color:var(--s-indigo);font-weight:600}
.list-group-item .bi{color:var(--s-muted)}
.list-group-item-action.active .bi,.list-group-item:hover .bi{color:var(--s-indigo)}
.sumly-menu-group{color:#475569;font-weight:600;font-size:.85rem;letter-spacing:.02em;border-top:1px solid #e5e7eb;margin-top:1rem;padding-top:1rem}
/* 侧栏菜单图标固定尺寸（不依赖 tailwind w-/h- 工具类，避免被 purge 后图标失控） */
.list-group-item .heroicon,.sumly-menu-group .heroicon{width:1.25rem;height:1.25rem;flex:0 0 auto}
/* 2026-09-19 左侧菜单分区标签（不可点击）：功能组件 / 系统管理 */

/* 移动端 offcanvas */
.offcanvas-lg{background:#fff}
@media(max-width:991px){
  .offcanvas-lg{position:fixed;top:0;left:0;bottom:0;width:80%;max-width:300px;z-index:1050;
    transform:translateX(-100%);transition:transform .25s ease;box-shadow:0 0 40px rgba(0,0,0,.15);overflow-y:auto}
  .offcanvas-lg.sidebar-open{transform:translateX(0)}
  .col-lg-2{width:100%!important}
  .col-lg-10{width:100%!important}
  body.sidebar-open{overflow:hidden}
  .sidebar-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.35);z-index:1040}
}
.offcanvas-header{display:flex;align-items:center;justify-content:space-between}
.offcanvas-body{padding:.5rem .75rem}

/* ---- Dropdown（通用） ---- */
.dropdown{position:relative}
.dropdown-toggle:after{content:"";display:inline-block;margin-left:.3em;vertical-align:.2em;border-top:.3em solid;border-right:.3em solid transparent;border-left:.3em solid transparent}
.dropdown-menu{position:absolute;z-index:1000;display:none;min-width:10rem;padding:.4rem 0;margin:0;list-style:none;background:#fff;border:1px solid var(--s-border);border-radius:10px;box-shadow:0 12px 34px rgba(18,38,63,.14)}
.dropdown-menu.show{display:block}
.dropdown-menu-end{right:0;left:auto}
.dropdown-item{display:block;padding:.5rem .9rem;color:#1f2937;text-decoration:none;white-space:nowrap}
.dropdown-item:hover{background:var(--s-slate-100);color:var(--s-indigo)}
.dropdown-header{padding:.4rem .9rem;font-size:.78rem;color:var(--s-muted);font-weight:600}
.dropdown-divider{height:0;border-top:1px solid var(--s-border);margin:.35rem 0}

/* ---- Modal ---- */
.modal{position:fixed;inset:0;z-index:1060;display:none;overflow-y:auto}
.modal.show{display:flex;align-items:flex-start;justify-content:center;padding:2rem 1rem;background:rgba(17,24,39,.5)}
.modal-dialog{width:100%;max-width:560px;background:#fff;border-radius:var(--s-radius);box-shadow:0 20px 50px rgba(0,0,0,.25);overflow:hidden}
.modal-content{background:#fff}
.modal-header{display:flex;align-items:center;justify-content:space-between;padding:.85rem 1.1rem;border-bottom:1px solid var(--s-border)}
.modal-title{font-weight:600;font-size:1.05rem}
.modal-body{padding:1.1rem}
.modal-footer{display:flex;justify-content:flex-end;gap:.5rem;padding:.85rem 1.1rem;border-top:1px solid var(--s-border)}
.modal-backdrop{position:fixed;inset:0;background:rgba(17,24,39,.5);z-index:1055}

/* ---- Pagination ---- */
.pagination{display:flex;flex-wrap:wrap;list-style:none;padding:0;margin:1rem 0;gap:.25rem}
.pagination .page-item .page-link,.pagination .page-link{padding:.4rem .7rem;border:1px solid var(--s-border);border-radius:8px;color:var(--s-indigo);text-decoration:none;background:#fff}
.pagination .page-item.active .page-link{background:var(--s-indigo);color:#fff;border-color:var(--s-indigo)}
.pagination .page-item.disabled .page-link{color:#9ca3af;pointer-events:none;background:var(--s-slate-100)}

/* ---- Tabs ---- */
.nav-tabs{border-bottom:1px solid var(--s-border);gap:.25rem;margin-bottom:1rem}
.nav-tabs .nav-link{margin-bottom:-1px;border:1px solid transparent;border-bottom:none;color:#4b5563}
.nav-tabs .nav-link.active{color:var(--s-indigo);background:#fff;border-color:var(--s-border);border-bottom:2px solid var(--s-indigo);font-weight:600}
.nav-pills{gap:.4rem}
.nav-pills .nav-link.active{background:var(--s-indigo);color:#fff}
.tab-content{margin-top:.5rem}
.tab-pane{display:none}
.tab-pane.active{display:block}

/* ---- Breadcrumb ---- */
.breadcrumb{display:flex;flex-wrap:wrap;list-style:none;padding:0;margin:0 0 1rem;font-size:.85rem;color:var(--s-muted)}
.breadcrumb-item{display:flex;align-items:center}
.breadcrumb-item+.breadcrumb-item:before{content:"/";padding:0 .5rem;color:#9ca3af}
.breadcrumb-item.active{color:#374151}

/* ---- Toast ---- */
.toast{background:#fff;border-radius:10px;box-shadow:0 10px 30px rgba(0,0,0,.18);overflow:hidden;min-width:240px}
.toast .toast-body{padding:.75rem .9rem}
.toast.text-bg-danger{background:#dc2626;color:#fff}
.toast.text-bg-success{background:#16a34a;color:#fff}
.toast.fade{opacity:0;transition:opacity .2s}
.toast.fade.show{opacity:1}

/* ---- Footer ---- */
.footer{background:#fff;border-top:1px solid var(--s-border);color:var(--s-muted);font-size:.82rem}
.footer .container-fluid{padding-top:1rem;padding-bottom:1rem}

/* ---- page-header（后台内页标题栏，扁平） ---- */
.page-header{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:.75rem;
  background:var(--s-slate-50);border:1px solid var(--s-border);border-radius:var(--s-radius);padding:1rem 1.25rem;margin-bottom:1.25rem}
.page-header h1,.page-header h2,.page-header h3,.page-header h4,.page-header h5,.page-header .h3,.page-header .h4{margin:0;font-weight:700;color:#111827}
.page-header .page-header-actions{display:flex;gap:.5rem;flex-wrap:wrap}

/* ---- animate-underline（保留原有微交互） ---- */
.animate-underline{position:relative}
.animate-underline:hover .animate-target{color:var(--s-indigo)}

/* heroicons: restore inline layout (preflight sets svg display:block, which wraps icons onto their own line) */
.heroicon{display:inline-block;vertical-align:-0.125em;flex-shrink:0}