/* ============================================================
   轻提货 · 后台统一样式（管理后台 / 商家平台）
   色板与官网完全一致，随 data-theme 切换，localStorage 键：sme_theme
   ============================================================ */
:root,html[data-theme='green']{
  --brand:#1d9e75; --brand-2:#0f6e56; --brand-deep:#085041; --brand-deeper:#04342c;
  --tint:#e1f5ee; --ink:#17302a; --muted:#4b6159; --ink-3:#7d918a;
  --bg:#f4f7f5; --card:#fff; --line:#e4eae7; --gold:#E8B339; --radius:12px;
}
html[data-theme='blue']{
  --brand:#185fa5; --brand-2:#0c447c; --brand-deep:#042c53; --brand-deeper:#021a30;
  --tint:#e6f1fb; --ink:#14283c; --muted:#45596b; --ink-3:#7d8f9e;
  --bg:#f4f7fa; --card:#fff; --line:#e3e9ef;
}
html[data-theme='purple']{
  --brand:#534ab7; --brand-2:#3c3489; --brand-deep:#26215c; --brand-deeper:#191540;
  --tint:#eeedfe; --ink:#241f45; --muted:#4e4977; --ink-3:#8b87a8;
  --bg:#f6f5fa; --card:#fff; --line:#e7e5f1;
}
html[data-theme='coral']{
  --brand:#d85a30; --brand-2:#993c1d; --brand-deep:#712b13; --brand-deeper:#4a1b0c;
  --tint:#faece7; --ink:#382019; --muted:#6e5148; --ink-3:#a08b83;
  --bg:#faf6f4; --card:#fff; --line:#efe5e0;
}
html[data-theme='dark']{
  --brand:#3f4750; --brand-2:#2b323a; --brand-deep:#1c2126; --brand-deeper:#12161a;
  --tint:#eef1f4; --ink:#1c2126; --muted:#4b565f; --ink-3:#8793a0;
  --bg:#f5f6f7; --card:#fff; --line:#e5e9ec;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--bg);font-size:14px;line-height:1.6}
a{color:var(--brand);text-decoration:none}
a:hover{color:var(--brand-2)}

/* ============ 登录页 ============ */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(160deg,var(--brand-deeper) 0%,var(--brand-deep) 55%,var(--brand-2) 100%);padding:20px}
.login-box{width:400px;max-width:100%;background:#fff;border-radius:18px;padding:42px 40px 36px;box-shadow:0 30px 70px -20px rgba(0,0,0,.45)}
.login-logo{display:flex;align-items:center;gap:12px;margin-bottom:8px}
.login-logo .lg-icon{width:46px;height:46px;border-radius:12px;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:800}
.login-logo b{font-size:21px;color:var(--brand)}
.login-sub{color:var(--muted);font-size:13px;margin:0 0 28px}
.login-tip{margin-top:18px;font-size:12px;color:var(--ink-3);text-align:center;line-height:1.8}
.login-tip a{color:var(--brand)}

/* ============ 布局骨架 ============ */
.qt-layout{display:flex;min-height:100vh}
.qt-sidebar{width:220px;flex:none;background:var(--brand-deeper);color:#fff;display:flex;flex-direction:column;position:sticky;top:0;height:100vh;overflow-y:auto;transition:width .2s}
.qt-sidebar .qt-brand{display:flex;align-items:center;gap:10px;padding:16px 18px;font-size:17px;font-weight:800;color:#fff;border-bottom:1px solid rgba(255,255,255,.08)}
.qt-sidebar .qt-brand .lg-icon{width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,var(--brand),var(--brand-2));display:flex;align-items:center;justify-content:center;font-size:16px;flex:none}
.qt-sidebar .qt-brand small{display:block;font-size:10px;font-weight:400;opacity:.6}
.qt-nav{flex:1;padding:10px 0}
.qt-nav .qt-nav-group{padding:14px 20px 6px;font-size:11px;letter-spacing:1px;color:rgba(255,255,255,.35)}
.qt-nav a{display:flex;align-items:center;gap:10px;padding:10px 20px;color:rgba(255,255,255,.75);font-size:13.5px;border-left:3px solid transparent;transition:.15s}
.qt-nav a:hover{color:#fff;background:rgba(255,255,255,.06)}
.qt-nav a.on{color:#fff;background:linear-gradient(90deg,rgba(255,255,255,.14),transparent);border-left-color:var(--gold)}
.qt-nav a .ic{width:18px;height:18px;flex:none;opacity:.85}
.qt-sidebar .qt-side-foot{padding:14px 18px;font-size:11px;color:rgba(255,255,255,.35);border-top:1px solid rgba(255,255,255,.08)}
.qt-main{flex:1;min-width:0;display:flex;flex-direction:column}
.qt-topbar{height:56px;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);display:flex;align-items:center;gap:16px;padding:0 22px;position:sticky;top:0;z-index:50}
.qt-topbar .qt-crumb{font-size:15px;font-weight:600;color:var(--ink)}
.qt-topbar .qt-crumb small{font-weight:400;font-size:12px;color:var(--muted);margin-left:8px}
.qt-topbar .qt-top-right{margin-left:auto;display:flex;align-items:center;gap:14px}
.qt-theme-btn{border:1px solid var(--line);background:#fff;border-radius:8px;padding:5px 11px;font-size:12px;color:var(--muted);cursor:pointer}
.qt-theme-btn:hover{border-color:var(--brand);color:var(--brand)}
.qt-user{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink)}
.qt-user .ava{width:30px;height:30px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:600}
.qt-logout{font-size:12px;color:var(--muted)}
.qt-logout:hover{color:#dc2626}
.qt-content{flex:1;padding:20px 22px 40px}

/* ============ 卡片与统计 ============ */
.qt-panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);margin-bottom:16px}
.qt-panel-head{padding:14px 18px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:10px;font-size:15px;font-weight:600}
.qt-panel-head .qt-panel-tools{margin-left:auto;display:flex;gap:8px;align-items:center;font-weight:400}
.qt-panel-body{padding:18px}
.qt-panel-body.tight{padding:12px 18px}
.qt-stat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px;margin-bottom:16px}
.qt-stat{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;display:flex;align-items:center;gap:14px}
.qt-stat .st-ic{width:44px;height:44px;border-radius:11px;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;display:flex;align-items:center;justify-content:center;font-size:20px;flex:none}
.qt-stat .st-num{font-size:22px;font-weight:800;line-height:1.2}
.qt-stat .st-label{font-size:12px;color:var(--muted);margin-top:2px}

/* ============ layui 主题覆写 ============ */
.layui-btn{background:var(--brand)}
.layui-btn:hover{color:#fff;opacity:.9}
.layui-btn-primary{background:#fff;color:var(--ink);border:1px solid var(--line)}
.layui-btn-primary:hover{border-color:var(--brand);color:var(--brand);opacity:1}
.layui-btn-normal{background:var(--brand-2)}
.layui-btn-warm{background:var(--gold);color:#3a2c05}
.layui-btn-danger{background:#dc2626}
.layui-form-label{color:var(--ink)}
.layui-input:hover,.layui-textarea:hover,.layui-select:hover{border-color:var(--brand)!important}
.layui-form-select dl dd.layui-this{background:var(--brand);color:#fff}
.layui-form-radio>i:hover,.layui-form-radioed>i{color:var(--brand)}
.layui-form-checked[lay-skin=primary] i{background:var(--brand);border-color:var(--brand)!important}
.layui-form-checkbox[lay-skin=primary]:hover i{border-color:var(--brand)}
.layui-table th{background:var(--tint);color:var(--ink);font-weight:600}
.layui-table tbody tr:hover{background:var(--tint)}
.layui-table-view{margin:0;border-radius:0}
.layui-table-page .layui-laypage .layui-laypage-curr .layui-laypage-em{background:var(--brand)}
.layui-tab-brief>.layui-tab-title .layui-this{color:var(--brand)}
.layui-tab-brief>.layui-tab-title .layui-this:after{border-color:var(--brand)}
.layui-nav .layui-this:after,.layui-nav-bar{background:var(--brand)}
.layui-layer{font-family:inherit}
.layui-layer-btn .layui-layer-btn0{border-color:var(--brand);background:var(--brand)}
.layui-laydate .layui-this{background:var(--brand)!important}
.layui-elem-quote{border-left:5px solid var(--brand);background:var(--tint)}
.layui-form-mid{float:none}
.layui-textarea{min-height:80px}

/* ============ 工具类 ============ */
.qt-flex{display:flex;align-items:center;gap:10px}
.qt-flex-between{display:flex;align-items:center;justify-content:space-between;gap:10px}
.qt-muted{color:var(--muted)}
.qt-ink3{color:var(--ink-3)}
.qt-mt{margin-top:14px}
.qt-mb{margin-bottom:14px}
.qt-tag{display:inline-block;padding:1px 9px;border-radius:999px;font-size:11px;background:var(--tint);color:var(--brand-2);line-height:1.7}
.qt-tag.gold{background:#fdf6e3;color:#9a7b1a}
.qt-tag.gray{background:#f1f3f5;color:#6b7280}
.qt-tag.red{background:#fef2f2;color:#dc2626}
.qt-tag.green{background:#ecfdf3;color:#16a34a}
.qt-empty{padding:60px 20px;text-align:center;color:var(--ink-3)}
.qt-empty .qt-empty-ic{font-size:44px;opacity:.35;margin-bottom:10px}
.qt-desc{font-size:12px;color:var(--muted);line-height:1.8}
.qt-form-tip{font-size:12px;color:var(--ink-3);line-height:1.7;padding-top:6px}
.qt-kv{display:flex;gap:8px;font-size:13px;padding:7px 0;border-bottom:1px dashed var(--line)}
.qt-kv:last-child{border-bottom:0}
.qt-kv .k{color:var(--muted);flex:none;width:110px}
.qt-kv .v{color:var(--ink);flex:1;word-break:break-all}
.qt-hero-tip{background:var(--tint);border:1px solid var(--line);border-radius:var(--radius);padding:12px 16px;font-size:12.5px;color:var(--brand-2);line-height:1.8;margin-bottom:16px}

/* 到期提醒横幅 */
.qt-expire-banner{background:#fffbeb;border:1px solid #fde68a;color:#92400e;border-radius:var(--radius);padding:12px 18px;font-size:13px;margin-bottom:16px;display:flex;align-items:center;gap:10px}
.qt-expire-banner a{margin-left:auto;color:#b45309;font-weight:600;white-space:nowrap}

/* 响应式 */
@media(max-width:900px){
  .qt-sidebar{width:64px}
  .qt-sidebar .qt-brand span:not(.lg-icon),.qt-sidebar .qt-brand small,.qt-nav a span,.qt-nav .qt-nav-group,.qt-sidebar .qt-side-foot{display:none}
  .qt-nav a{justify-content:center;padding:12px 0}
  .qt-content{padding:14px}
}