/* ===== 德合智充 管理后台样式（现代化版） ===== */
*{margin:0;padding:0;box-sizing:border-box}
:root{
  --primary:#4148F1;--primary-dark:#3236C4;--primary-light:#EEF0FF;
  --side:#1B1E4B;--side2:#252859;--side-active:#4148F1;
  --bg:#f4f6fb;--border:#e8ecf4;--text:#2a2f45;--muted:#8a93a8;
  --green:#1d7a3f;--orange:#e67e22;--red:#c0392b;--blue:#2980b9;
  --radius:12px;
}
body{font-family:"Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.6}
a{text-decoration:none;color:var(--primary)}
h1,h2,h3,h4{font-weight:600}

/* 按钮 */
.btn{display:inline-flex;align-items:center;gap:6px;padding:9px 18px;border-radius:8px;font-size:14px;border:none;cursor:pointer;transition:.2s;white-space:nowrap}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 2px 8px rgba(65,72,241,.25)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px)}
.btn-outline{border:1px solid var(--border);color:var(--text);background:#fff}
.btn-outline:hover{border-color:var(--primary);color:var(--primary)}
.btn-danger{background:#c0392b;color:#fff}
.btn-danger:hover{background:#a93226}
.btn-block{width:100%;justify-content:center}
.btn-sm{padding:5px 12px;font-size:13px;border-radius:6px}
.mt{margin-top:16px}.mb{margin-bottom:16px}
.hint{color:var(--muted);font-size:13px}
.center{text-align:center}

/* ===== 登录页 ===== */
.login-body{background:linear-gradient(135deg,#1B1E4B 0%,#4148F1 100%);min-height:100vh;display:flex;align-items:center;justify-content:center}
.login-box{background:#fff;border-radius:18px;padding:40px;width:400px;box-shadow:0 24px 80px rgba(0,0,0,.3)}
.login-box h2{text-align:center;margin-bottom:8px;font-size:20px;color:var(--text)}
.login-box .sub{text-align:center;color:var(--muted);font-size:13px;margin-bottom:28px}
.login-box label{display:block;margin-bottom:18px;color:#555;font-size:14px;font-weight:500}
.login-box input{width:100%;margin-top:8px;padding:12px 14px;border:1.5px solid #e8ecf4;border-radius:10px;font-size:15px;transition:.2s}
.login-box input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(65,72,241,.12)}
.login-box .btn{margin-top:6px;padding:12px}
.login-back{text-align:center;margin-top:20px;font-size:13px;color:var(--muted)}
.login-back a{color:var(--primary)}

/* ===== 布局 ===== */
/* 侧栏与右侧各自独立滚动：外壳锁定为视口高度并隐藏溢出，内部 pane 自行滚动，互不影响 */
.adm-shell{display:flex;height:100vh;overflow:hidden}
.adm-side{width:230px;background:linear-gradient(180deg,var(--side) 0%,var(--side2) 100%);color:#cdd6ee;flex-shrink:0;display:flex;flex-direction:column;height:100%;overflow:hidden}
.adm-brand{padding:22px 20px;font-size:16px;font-weight:700;color:#fff;border-bottom:1px solid rgba(255,255,255,.08);display:flex;align-items:center;gap:10px}
.adm-brand .logo{width:32px;height:32px;border-radius:8px;background:var(--primary);display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:800;flex-shrink:0}
.adm-brand .brand-t{display:flex;flex-direction:column;line-height:1.2}
.adm-brand .brand-t em{font-style:normal;font-size:11px;font-weight:600;opacity:.78;margin-top:3px;letter-spacing:.5px}
.adm-nav{padding:10px 0;flex:1;overflow-y:auto}
.nav-group{padding:14px 20px 6px;font-size:11px;color:rgba(255,255,255,.35);text-transform:uppercase;letter-spacing:1px}
.adm-link{display:flex;align-items:center;gap:10px;padding:10px 20px;color:#b0bcd8;font-size:14px;transition:.15s;border-left:3px solid transparent}
.adm-link svg{flex-shrink:0;opacity:.7}
.adm-link:hover{background:rgba(255,255,255,.06);color:#fff}
.adm-link.active{background:rgba(65,72,241,.25);color:#fff;border-left-color:var(--primary)}
.adm-link.active svg{opacity:1}
/* 侧栏底部「菜单排序」入口 */
.adm-nav-foot{margin-top:8px;padding:10px 0;border-top:1px solid rgba(255,255,255,.08)}
.adm-link-soft{color:rgba(255,255,255,.55);font-size:13px;opacity:.92}
.adm-link-soft:hover{background:rgba(255,255,255,.06);color:#fff}
.adm-main{flex:1;min-width:0;display:flex;flex-direction:column;height:100%;overflow:hidden}

/* 顶部栏 */
.adm-top{background:#fff;padding:0 28px;height:60px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border);box-shadow:0 1px 3px rgba(0,0,0,.03)}
.adm-top-title{font-size:17px;font-weight:600}
.adm-top-user{font-size:13px;color:var(--muted);display:flex;align-items:center;gap:16px}
.adm-top-user a{color:var(--primary)}
.adm-top-user .avatar{width:32px;height:32px;border-radius:50%;background:var(--primary-light);color:var(--primary);display:flex;align-items:center;justify-content:center;font-weight:600}
.adm-content{padding:28px;flex:1;max-width:100%;overflow:auto}

/* ===== 统计卡片 ===== */
.stat-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:18px;margin-bottom:26px}
.stat-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px;display:flex;align-items:center;gap:16px;transition:.2s}
.stat-card:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,0,0,.06)}
.stat-card .ic{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.stat-card .ic svg{width:24px;height:24px}
.stat-card b{font-size:26px;color:var(--text);display:block;line-height:1.2}
.stat-card span{color:var(--muted);font-size:13px}
.stat-card.blue .ic{background:#e8f0fe;color:#2980b9}
.stat-card.green .ic{background:#e6f6ec;color:var(--green)}
.stat-card.orange .ic{background:#fef0e3;color:var(--orange)}
.stat-card.purple .ic{background:#f0e8fe;color:#7c3aed}
.stat-card.red .ic{background:#fde8e8;color:var(--red)}

/* 面板 */
.adm-grid2{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.panel{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px;margin-bottom:20px}
.panel h3{margin-bottom:16px;font-size:16px;display:flex;align-items:center;gap:8px}
.panel h3::before{content:"";width:4px;height:16px;background:var(--primary);border-radius:2px}

/* ===== 表格 ===== */
.adm-table{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid var(--border)}
.adm-table th{background:#f8fafd;text-align:left;padding:13px 16px;font-size:13px;color:#6b7a99;font-weight:600;border-bottom:1px solid var(--border)}
.adm-table td{padding:13px 16px;border-bottom:1px solid #f0f3f9;font-size:14px;vertical-align:middle}
.adm-table tr:last-child td{border-bottom:none}
.adm-table tr:hover td{background:#f8faff}
.ops{white-space:nowrap}
.ops a{margin-right:10px;font-size:13px;font-weight:500}
.ops .danger{color:var(--red)}
.ops .edit{color:var(--primary)}
.cell-clip{max-width:280px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.thumb{width:60px;height:44px;object-fit:cover;border-radius:6px;border:1px solid var(--border)}

/* 标签 */
.tag{display:inline-block;padding:3px 12px;border-radius:20px;font-size:12px;font-weight:500}
.tag-ok{color:var(--green);background:#e6f6ec}
.tag-off{color:#8a6d3b;background:#fdf3e3}
.tag-new{color:var(--red);background:#fde8e8;font-weight:600}
.tag-blue{color:var(--blue);background:#e8f0fe}

/* 工具条 */
.adm-bar{margin-bottom:18px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}
.adm-bar .actions{display:flex;gap:10px}

/* ===== 表单 ===== */
.adm-form{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:28px;max-width:860px}
.adm-form label{display:block;margin-bottom:18px;color:#555;font-size:14px;font-weight:500}
.adm-form input,.adm-form select,.adm-form textarea{width:100%;margin-top:7px;padding:11px 14px;border:1.5px solid #e8ecf4;border-radius:8px;font-size:14px;font-family:inherit;transition:.2s;background:#fff}
.adm-form input:focus,.adm-form textarea:focus,.adm-form select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(65,72,241,.1)}
.adm-form .tall{line-height:1.8;min-height:120px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.row3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:18px}
.msg{border-radius:8px;padding:12px 16px;margin-bottom:16px;font-size:14px}
.msg.ok{background:#e6f6ec;color:var(--green);border:1px solid #b6e0c0}
.msg.err{background:#fde8e8;color:var(--red);border:1px solid #f3c1c1}
.empty{text-align:center;color:#a0a8a7;padding:40px}
input[type=file]{padding:8px;border:1.5px dashed #c9d6e8;background:#fafbff;border-radius:8px}

/* 快捷入口 */
.quick-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:14px;margin-bottom:26px}
.quick-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:18px;text-align:center;transition:.2s;display:block;color:var(--text)}
.quick-item:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px);box-shadow:0 6px 18px rgba(65,72,241,.1)}
.quick-item .qi{width:40px;height:40px;border-radius:10px;background:var(--primary-light);color:var(--primary);display:flex;align-items:center;justify-content:center;margin:0 auto 10px}
.quick-item .qi svg{width:20px;height:20px}
.quick-item span{font-size:13px}

/* 响应式 */
@media(max-width:820px){
  .adm-side{width:64px}
  .adm-brand span{display:none}
  .nav-group{display:none}
  .adm-link span{display:none}
  .adm-link{justify-content:center;padding:12px}
  .adm-grid2,.row2,.row3{grid-template-columns:1fr}
  .adm-content{padding:16px}
}