/* ── 自由坊 管理后台设计系统 v4.0 ── */
/* Design read: modern admin panel, clean professional, single accent #1677FF */
/* VARIANCE:4 MOTION:3 DENSITY:6 */

:root {
  --primary: #1677FF;
  --primary-dark: #1268e0;
  --primary-light: #e6f0ff;
  --primary-subtle: #f0f5ff;
  --primary-text: #1060cc;
  --bg: #f4f5f7;
  --card: #ffffff;
  --border: #e2e5ea;
  --border-light: #edf0f4;
  --text: #1a2332;
  --text-secondary: #5a6377;
  --text-tertiary: #929aab;
  --text-placeholder: #bec4d2;
  --success: #34b881;
  --success-light: #e8f6ef;
  --warning: #e8a23b;
  --warning-light: #fef4e8;
  --danger: #e56666;
  --danger-light: #fdeeee;
  --info: #4b8bf5;
  --info-light: #eaf1fe;
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 14px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.05);
  --shadow: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,.07);
  --shadow-lg: 0 8px 24px rgba(0,0,0,.09);
  --sidebar-width: 200px;
  --sidebar-bg: #162230;
  --sidebar-hover: rgba(255,255,255,.06);
  --sidebar-active: rgba(22,119,255,.18);
  --header-h: 58px;
  --transition: all .2s ease;
  --transition-slow: all .3s ease;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:14px;scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Microsoft YaHei","Helvetica Neue",sans-serif;background:var(--bg);color:var(--text);line-height:1.6;min-height:100vh;display:flex;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
a{text-decoration:none;color:var(--primary-text);transition:var(--transition)}
a:hover{color:var(--primary-dark)}

/* ── Sidebar ── */
.sidebar{position:fixed;top:0;left:0;width:var(--sidebar-width);height:100vh;background:var(--sidebar-bg);color:#e8ecf1;z-index:100;display:flex;flex-direction:column;overflow:hidden;box-shadow:2px 0 20px rgba(0,0,0,.15);}
.sidebar-logo{padding:18px 20px 14px;border-bottom:1px solid rgba(255,255,255,.07);flex-shrink:0;}
.sidebar-logo .logo-wrap{display:flex;align-items:center;gap:10px;}
.sidebar-logo .logo-icon{display:flex;align-items:center;justify-content:center;width:32px;height:32px;background:linear-gradient(135deg,var(--primary),#4d8af0);border-radius:8px;font-size:1rem;flex-shrink:0;box-shadow:0 2px 6px rgba(36,160,144,.3);}
.sidebar-logo h1{font-size:.92rem;font-weight:700;letter-spacing:.3px;color:#fff;}
.sidebar-logo p{font-size:.55rem;color:rgba(255,255,255,.3);margin-top:2px;}
.sidebar-nav{flex:1;padding:6px 0 16px;overflow-y:auto;overflow-x:hidden;}
.sidebar-nav::-webkit-scrollbar{width:3px;}
.sidebar-nav::-webkit-scrollbar-thumb{background:rgba(255,255,255,.08);border-radius:3px;}
/* Section headers */
.sidebar-nav .nav-section{display:block;padding:16px 20px 5px;font-size:.6rem;font-weight:700;color:rgba(255,255,255,.2);text-transform:uppercase;letter-spacing:1.8px;user-select:none;font-family:system-ui,sans-serif;}
.sidebar-nav .nav-section .nav-icon{display:none;}
/* Dashed separator */
.sidebar-nav .nav-sep{height:0;margin:6px 20px;border-top:1px dashed rgba(255,255,255,.08);}
/* Level 1 */
.sidebar-nav .nav-item-l1{display:flex;align-items:center;gap:10px;padding:8px 16px;font-size:.85rem;font-weight:500;color:rgba(255,255,255,.65);text-decoration:none;transition:all .15s ease;border-left:3px solid transparent;cursor:pointer;user-select:none;border-radius:0 6px 6px 0;margin-right:8px;}
.sidebar-nav .nav-item-l1:hover{color:#fff;background:rgba(255,255,255,.05);}
.sidebar-nav .nav-item-l1 .nav-icon{width:18px;text-align:center;font-size:.82rem;flex-shrink:0;opacity:.6;transition:all .15s ease;}
.sidebar-nav .nav-item-l1:hover .nav-icon{opacity:1;}
.sidebar-nav .nav-item-l1.active{color:#fff;background:var(--sidebar-active);border-left-color:var(--primary);font-weight:600;}
.sidebar-nav .nav-item-l1.active .nav-icon{opacity:1;color:var(--primary);}
/* Level 2 */
.sidebar-nav .nav-item-l2{display:flex;align-items:center;gap:10px;padding:8px 16px;font-size:.85rem;font-weight:500;color:rgba(255,255,255,.65);text-decoration:none;transition:all .15s ease;border-left:3px solid transparent;cursor:pointer;user-select:none;border-radius:0 6px 6px 0;margin-right:8px;}
.sidebar-nav .nav-item-l2:hover{color:#fff;background:rgba(255,255,255,.05);}
.sidebar-nav .nav-item-l2 .nav-icon{width:18px;text-align:center;font-size:.82rem;flex-shrink:0;opacity:.6;transition:all .15s ease;}
.sidebar-nav .nav-item-l2:hover .nav-icon{opacity:1;}
.sidebar-nav .nav-item-l2.active{color:#fff;background:var(--sidebar-active);border-left-color:var(--primary);font-weight:600;}
.sidebar-nav .nav-item-l2.active .nav-icon{opacity:1;color:var(--primary);}
/* Level 3 (indented) */
.sidebar-nav .nav-item-l3{display:flex;align-items:center;gap:8px;padding:6px 20px 6px 46px;font-size:.76rem;font-weight:500;color:rgba(255,255,255,.55);text-decoration:none;transition:all .15s ease;border-left:3px solid transparent;cursor:pointer;user-select:none;border-radius:0 6px 6px 0;margin-right:8px;}
.sidebar-nav .nav-item-l3:hover{color:#fff;background:rgba(255,255,255,.04);}
.sidebar-nav .nav-item-l3 .nav-icon{width:12px;text-align:center;font-size:.6rem;flex-shrink:0;opacity:.4;transition:all .15s ease;}
.sidebar-nav .nav-item-l3:hover .nav-icon{opacity:.7;}
.sidebar-nav .nav-item-l3.active{color:#fff;background:var(--sidebar-active);border-left-color:var(--primary);font-weight:600;}
.sidebar-nav .nav-item-l3.active .nav-icon{opacity:1;color:var(--primary);}

/* ── Collapsible nav groups ── */
.sidebar-nav .nav-group{position:relative;}
.sidebar-nav .nav-parent{cursor:pointer;user-select:none;}
.sidebar-nav .nav-parent .nav-arrow{font-size:.55rem;margin-left:auto;opacity:.4;transition:transform .2s ease;}
.sidebar-nav .nav-parent:hover .nav-arrow{opacity:.8;}
.sidebar-nav .nav-children{display:none;overflow:hidden;transition:max-height .25s ease;}
.sidebar-nav .nav-children .nav-item-l3{padding-left:40px;}
/* Footer */
.sidebar-footer{padding:10px 20px;border-top:1px solid rgba(255,255,255,.07);flex-shrink:0;}
.sidebar-footer .logout-btn{display:block;width:100%;padding:7px 0;font-size:.72rem;font-weight:600;text-align:center;background:rgba(255,255,255,.04);color:rgba(255,255,255,.5);border-radius:7px;text-decoration:none;transition:all .15s ease;}
.sidebar-footer .logout-btn:hover{background:rgba(255,255,255,.1);color:#fff;}

/* ── Main Content ── */
.main-content{margin-left:var(--sidebar-width);flex:1;min-height:100vh;display:flex;flex-direction:column;}
.main-header{background:rgba(255,255,255,.85);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);padding:0 30px;height:var(--header-h);display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border);flex-shrink:0;position:sticky;top:0;z-index:50;}
.main-header h2{font-size:1rem;font-weight:600;color:var(--text);letter-spacing:-.2px;}
.main-header .header-right{display:flex;align-items:center;gap:12px;}
.main-header .admin-badge{display:inline-flex;align-items:center;gap:5px;padding:4px 14px;background:var(--primary-light);color:var(--primary-text);border-radius:20px;font-size:.7rem;font-weight:600;border:1px solid rgba(36,160,144,.15);}
.main-header .admin-badge .dot{width:5px;height:5px;border-radius:50%;background:var(--primary);display:inline-block;}
.page-body{padding:24px 30px;flex:1;max-width:1440px;width:100%;}
.page-body-full{padding:0;flex:1;display:flex;overflow:hidden;}

/* ── Stats Cards ── */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:16px;margin-bottom:22px;}
.stat-c{background:var(--card);border-radius:var(--radius);padding:18px 20px;box-shadow:var(--shadow);display:flex;align-items:center;gap:14px;transition:transform .2s,box-shadow .2s;cursor:default;border:1px solid var(--border-light);}
.stat-c:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);}
.stat-iw{width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.2rem;flex-shrink:0;}
.stat-iw.teal{background:var(--primary-light);color:var(--primary-text);}
.stat-iw.blue{background:var(--info-light);color:var(--info);}
.stat-iw.orange{background:var(--warning-light);color:var(--warning);}
.stat-iw.purple{background:#f0ecff;color:#7c4dff;}
.stat-iw.green{background:#e6f7e6;color:#34b881;}
.stat-iw.red{background:var(--danger-light);color:var(--danger);}
.stat-info{flex:1;min-width:0;}
.stat-lb{font-size:.7rem;color:var(--text-tertiary);margin-bottom:3px;font-weight:500;text-transform:uppercase;letter-spacing:.4px;}
.stat-num{font-size:1.5rem;font-weight:800;color:var(--text);line-height:1.2;letter-spacing:-.5px;}
.stat-sub{font-size:.65rem;color:var(--text-tertiary);margin-top:3px;}

/* ── Panels Grid ── */
.panels-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.panels-row .card:last-child{grid-column:1/-1;}

/* ── Cards ── */
.card{background:var(--card);border-radius:var(--radius);padding:22px 24px;margin-bottom:18px;box-shadow:var(--shadow);border:1px solid var(--border-light);transition:box-shadow .2s;}
.card-hd{font-size:.88rem;font-weight:600;color:var(--text);margin-bottom:16px;padding-bottom:14px;border-bottom:1px solid var(--border-light);display:flex;align-items:center;gap:8px;}
.card-empty{text-align:center;padding:48px 20px;color:var(--text-tertiary);}

/* ── Quick Action Grid ── */
.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;}
.qa-card{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;padding:16px 8px;border-radius:var(--radius);background:var(--bg);text-decoration:none;color:var(--text);transition:var(--transition);cursor:pointer;}
.qa-card:hover{background:var(--primary-light);color:var(--primary-text);transform:translateY(-1px);}
.qa-icon{width:38px;height:38px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:1.15rem;}

/* ── Dashboard panes ── */
.health-list{list-style:none;}
.health-item{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-bottom:1px solid var(--border-light);}
.health-item:last-child{border-bottom:none;}
.hl-label{font-size:.8rem;color:var(--text-secondary);}
.hl-value{font-size:.8rem;font-weight:600;}
.hl-value.ok{color:var(--success);}
.hl-value.warn{color:var(--warning);}

.order-list{list-style:none;}
.order-item{display:flex;align-items:center;gap:12px;padding:10px 0;border-bottom:1px solid var(--border-light);transition:var(--transition);}
.order-item:last-child{border-bottom:none;}
.order-item:hover{background:var(--bg);margin:0 -12px;padding:10px 12px;border-radius:var(--radius);}
.order-id{font-size:.75rem;font-weight:700;color:var(--text-tertiary);min-width:44px;}
.order-info{flex:1;min-width:0;}
.order-title{font-size:.82rem;font-weight:600;color:var(--text);}
.order-meta{font-size:.7rem;color:var(--text-tertiary);margin-top:2px;}
.order-amount{font-size:.85rem;font-weight:700;color:var(--warning);white-space:nowrap;}

.pb2{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.pb2 .card:last-child{grid-column:1/-1;}

/* ── Tables (modern) ── */
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:var(--radius);}
table{width:100%;border-collapse:separate;border-spacing:0;font-size:.8rem;}
thead{position:sticky;top:0;z-index:2;}
thead th{background:#f6f8fa;padding:11px 14px;text-align:left;font-weight:600;color:var(--text-secondary);border-bottom:1.5px solid var(--border);white-space:nowrap;font-size:.77rem;letter-spacing:.2px;}
thead th:first-child{border-radius:8px 0 0 0;}
thead th:last-child{border-radius:0 8px 0 0;}
thead th.sortable{cursor:pointer;user-select:none;}
thead th.sortable:hover{color:var(--primary-text);}
thead th.sortable::after{content:' ↑↓';font-size:.6rem;color:var(--text-tertiary);margin-left:2px;opacity:.5;}
thead th.sortable.asc::after{content:' ↑';color:var(--primary);opacity:1;}
thead th.sortable.desc::after{content:' ↓';color:var(--primary);opacity:1;}
tbody tr{transition:var(--transition);}
tbody tr:not(:last-child) td{border-bottom:1px solid var(--border-light);}
tbody tr:nth-child(even){background:#f8f9fb;}
tbody tr:hover{background:var(--primary-subtle);}
tbody td{padding:10px 14px;vertical-align:middle;color:var(--text);}
tbody td .truncate{max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:inline-block;}

/* ── Buttons ── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:7px 18px;font-size:.77rem;font-weight:600;border-radius:8px;border:none;cursor:pointer;transition:var(--transition);line-height:1.5;text-decoration:none;white-space:nowrap;user-select:none;}
.btn:active{transform:scale(.97);}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-dark);box-shadow:0 3px 10px rgba(22,119,255,.3);}
.btn-success{background:var(--success);color:#fff;}
.btn-success:hover{background:#2ea071;box-shadow:0 3px 10px rgba(52,184,129,.3);}
.btn-danger{background:var(--danger);color:#fff;}
.btn-danger:hover{background:#d95454;box-shadow:0 3px 10px rgba(229,102,102,.3);}
.btn-outline{background:transparent;color:var(--text-secondary);border:1.5px solid var(--border);}
.btn-outline:hover{color:var(--primary-text);border-color:var(--primary);background:var(--primary-light);}
.btn-sm{padding:4px 11px;font-size:.72rem;border-radius:6px;}
.btn-lg{padding:10px 26px;font-size:.85rem;border-radius:10px;}
.btn-ghost{background:transparent;color:var(--text-secondary);border:none;}
.btn-ghost:hover{background:var(--bg);color:var(--text);}
.btn-teal{background:var(--primary);color:#fff;}
.btn-teal:hover{background:var(--primary-dark);box-shadow:0 3px 10px rgba(22,119,255,.3);}

/* ── Badges ── */
.badge{display:inline-block;padding:2px 11px;font-size:.69rem;font-weight:600;border-radius:20px;white-space:nowrap;line-height:1.7;}
.badge-green{background:var(--success-light);color:#2d9d6f;}
.badge-blue{background:var(--info-light);color:#3a7bdb;}
.badge-orange{background:var(--warning-light);color:#cc8d2f;}
.badge-red{background:var(--danger-light);color:#cc5555;}
.badge-gray{background:#f1f2f5;color:#929aab;}

/* ── Forms ── */
.form-g{margin-bottom:18px;}
.form-g label{display:block;font-size:.8rem;font-weight:600;color:var(--text);margin-bottom:6px;}
.form-g input,.form-g select,.form-g textarea{width:100%;padding:8px 13px;font-size:.8rem;color:var(--text);background:var(--card);border:1.5px solid var(--border);border-radius:8px;outline:none;transition:var(--transition);font-family:inherit;}
.form-g input:focus,.form-g select:focus,.form-g textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(22,119,255,.1);}
.form-g .hint{font-size:.72rem;color:var(--text-tertiary);margin-top:5px;}
.form-g input::placeholder{color:var(--text-placeholder);}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
@media (max-width:768px){.form-row{grid-template-columns:1fr;}}

/* ── Tabs ── */
.tabs{display:flex;gap:0;border-bottom:1.5px solid var(--border);margin-bottom:22px;}
.tab{display:inline-flex;align-items:center;gap:6px;padding:10px 22px;font-size:.82rem;font-weight:600;color:var(--text-secondary);cursor:pointer;transition:var(--transition);border-bottom:2px solid transparent;margin-bottom:-1.5px;background:none;border-left:none;border-right:none;border-top:none;font-family:inherit;}
.tab:hover{color:var(--primary-text);}
.tab.active{color:var(--primary-text);border-bottom-color:var(--primary);}

/* ── Alerts ── */
.alert{padding:11px 17px;border-radius:var(--radius);font-size:.8rem;font-weight:500;margin-bottom:18px;border:1px solid transparent;}
.alert-success{background:var(--success-light);color:#2d9d6f;border-color:#c0e4cf;}
.alert-warning{background:var(--warning-light);color:#cc8d2f;border-color:#edd9b3;}
.alert-danger{background:var(--danger-light);color:#cc5555;border-color:#edc6c6;}
.alert-info{background:var(--info-light);color:#3a7bdb;border-color:#b8d4ff;}

/* ── Empty State ── */
.empty-state{text-align:center;padding:56px 20px;color:var(--text-tertiary);}
.empty-state .es-icon{font-size:2.6rem;display:block;margin-bottom:14px;opacity:.6;}
.empty-state .es-text{font-size:.92rem;display:block;margin-bottom:6px;color:var(--text-secondary);}
.empty-state .es-hint{font-size:.78rem;color:var(--text-tertiary);}

/* ── Pagination ── */
.pagination{display:flex;align-items:center;justify-content:center;gap:6px;padding:18px 0;}
.pagination .page-btn{min-width:34px;height:34px;padding:0 11px;display:flex;align-items:center;justify-content:center;font-size:.77rem;font-weight:600;color:var(--text-secondary);background:var(--card);border:1.5px solid var(--border);border-radius:8px;cursor:pointer;transition:var(--transition);}
.pagination .page-btn:hover{border-color:var(--primary);color:var(--primary-text);}
.pagination .page-btn.active{background:var(--primary);color:#fff;border-color:var(--primary);}
.pagination .page-btn:disabled{opacity:.4;cursor:not-allowed;}

/* ── Detail Components ── */
.detail-header{display:flex;align-items:flex-start;gap:18px;}
.detail-avatar{width:58px;height:58px;border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:1.5rem;flex-shrink:0;}
.detail-avatar.store{background:var(--primary-light);color:var(--primary-text);}
.detail-avatar.person{background:var(--info-light);color:var(--info);}
.detail-info{flex:1;min-width:0;}
.detail-info h3{font-size:1.08rem;font-weight:700;margin-bottom:5px;color:var(--text);}
.detail-meta{display:flex;gap:18px;flex-wrap:wrap;align-items:center;}
.detail-meta span{font-size:.78rem;color:var(--text-secondary);}
.detail-stats{display:flex;gap:16px;margin-top:12px;}
.detail-stat{text-align:center;padding:10px 18px;background:var(--bg);border-radius:var(--radius);min-width:80px;}
.detail-stat .num{font-size:1.05rem;font-weight:800;color:var(--text);}
.detail-stat .lb{font-size:.68rem;color:var(--text-tertiary);margin-top:3px;}

/* ── Page Header ── */
.page-header-modern{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;padding:0;}
.page-header-modern h2{font-size:1.12rem;font-weight:700;color:var(--text);letter-spacing:-.3px;}
.page-desc{font-size:.77rem;color:var(--text-tertiary);background:var(--bg);padding:4px 15px;border-radius:20px;}
.count-chip{font-size:.77rem;color:var(--text-tertiary);background:var(--bg);padding:4px 14px;border-radius:20px;}

/* ── Flex Utilities ── */
.flex{display:flex;}
.flex-wrap{flex-wrap:wrap;}
.gap-4{gap:4px;}
.gap-8{gap:8px;}
.gap-12{gap:12px;}
.gap-16{gap:16px;}
.items-center{align-items:center;}
.justify-between{justify-content:space-between;}
.text-sm{font-size:.78rem;}
.text-muted{color:var(--text-tertiary);}
.text-right{text-align:right;}
.truncate{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ── Skeleton Loading ── */
@keyframes sk-shimmer{0%{background-position:-200px 0}100%{background-position:calc(200px + 100%) 0}}
.skeleton{background:#eee;background:linear-gradient(90deg,#eee 25%,#f5f5f5 50%,#eee 75%);background-size:200px 100%;animation:sk-shimmer 1.2s ease-in-out infinite;border-radius:6px;}
.skeleton-line{height:14px;margin-bottom:10px;}
.skeleton-line.w60{width:60%}
.skeleton-line.w40{width:40%}
.skeleton-line.w80{width:80%}

/* ── Scrollbar ── */
::-webkit-scrollbar{width:6px;height:6px;}
::-webkit-scrollbar-track{background:transparent;}
::-webkit-scrollbar-thumb{background:rgba(0,0,0,.12);border-radius:3px;}
::-webkit-scrollbar-thumb:hover{background:rgba(0,0,0,.22);}

/* ── Loading Spinner ── */
@keyframes spin{to{transform:rotate(360deg)}}
.spinner{width:20px;height:20px;border:2px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .6s linear infinite;display:inline-block;}
.spinner-lg{width:34px;height:34px;border-width:3px;}

/* ── Responsive ── */
@media (max-width:768px){
  .sidebar{width:0;overflow:hidden;}
  .main-content{margin-left:0;}
  .stats{grid-template-columns:repeat(2,1fr);}
  .quick-grid{grid-template-columns:repeat(2,1fr);}
  .panels-row{grid-template-columns:1fr;}
  .page-body{padding:16px;}
  .main-header{padding:0 16px;}
}