:root {
  --brand: #FF4A50;
  --brand-dark: #E63B44;
  --brand-light: #FFF0F0;
  --orange: #FF8A00;
  --red: #E64340;
  --blue: #3B82F6;
  --text: #1F2329;
  --text-2: #646A73;
  --text-3: #9AA0A6;
  --border: #EEF0F2;
  --bg: #F5F6F8;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg); color: var(--text); font-size: 14px; line-height: 1.5;
}
.hidden { display: none !important; }
a { text-decoration: none; color: inherit; }

/* 通用组件 */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  border: none; border-radius: 8px; padding: 9px 18px; font-size: 14px;
  cursor: pointer; font-weight: 600; line-height: 1.4;
}
.btn:active { opacity: 0.85; }
.btn-primary { background: linear-gradient(135deg, #FF5D61, #E63B44); color: #fff; }
.btn-outline { background: #fff; color: var(--brand); border: 1px solid var(--brand); }
.btn-ghost { background: #F2F3F5; color: var(--text-2); }
.btn-danger { background: #fff; color: var(--red); border: 1px solid #F3C2C1; }
.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn-block { width: 100%; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.input {
  padding: 8px 12px; border: 1px solid #D9DDE3; border-radius: 8px;
  font-size: 14px; background: #fff; outline: none; min-width: 220px;
}
.input:focus { border-color: var(--brand); }
.select { min-width: 140px; }

.card {
  background: #fff; border-radius: 12px; padding: 20px; margin-bottom: 16px;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
}
.card-title { font-size: 16px; font-weight: 700; margin-bottom: 14px; }
.category-group { border: 1px solid var(--border); border-radius: 10px; overflow: hidden; margin-top: 14px; }
.category-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 14px 16px; background: #FAFBFC; }
.category-actions { display: flex; align-items: center; justify-content: flex-end; gap: 6px; flex-wrap: wrap; }
.category-title-wrap { display: flex; align-items: center; gap: 10px; }
.category-thumb { width: 42px; height: 42px; object-fit: cover; border-radius: 8px; }
.category-fallback-icon, .product-fallback-icon, .nav-icon, .btn-icon, .brand-mark {
  display: inline-block; flex: 0 0 auto; background: currentColor;
  -webkit-mask: var(--icon) center / contain no-repeat;
  mask: var(--icon) center / contain no-repeat;
}
.icon-recycle { --icon: url('assets/admin-icons/recycle.svg'); }
.icon-dashboard { --icon: url('assets/admin-icons/dashboard.svg'); }
.icon-users { --icon: url('assets/admin-icons/users.svg'); }
.icon-orders { --icon: url('assets/admin-icons/orders.svg'); }
.icon-tag { --icon: url('assets/admin-icons/tag.svg'); }
.icon-shield { --icon: url('assets/admin-icons/shield.svg'); }
.icon-commission { --icon: url('assets/admin-icons/commission.svg'); }
.icon-wallet { --icon: url('assets/admin-icons/wallet.svg'); }
.icon-export { --icon: url('assets/admin-icons/export.svg'); }
.icon-plus { --icon: url('assets/admin-icons/plus.svg'); }
.category-fallback-icon { width: 36px; height: 36px; color: var(--brand); padding: 8px; background-color: var(--brand-light); border-radius: 8px; -webkit-mask: none; mask: none; position: relative; }
.category-fallback-icon::after { content: ''; position: absolute; inset: 8px; background: var(--brand); -webkit-mask: url('assets/admin-icons/recycle.svg') center / contain no-repeat; mask: url('assets/admin-icons/recycle.svg') center / contain no-repeat; }
.product-fallback-icon { width: 16px; height: 16px; color: var(--brand); vertical-align: -3px; margin-right: 7px; }
.hint { color: var(--text-2); font-size: 13px; margin-bottom: 12px; }
.link { color: var(--brand); font-size: 13px; cursor: pointer; margin-left: 12px; }
code, .code-block { background: #F2F3F5; border-radius: 6px; padding: 2px 6px; font-family: Consolas, Monaco, monospace; font-size: 13px; }
.code-block { display: block; padding: 12px; margin-top: 8px; }

.tag {
  display: inline-block; padding: 2px 10px; border-radius: 6px; font-size: 12px; line-height: 1.7;
}
.tag-positive { background: var(--brand-light); color: var(--brand-dark); }
.tag-orange { background: #FFF3E0; color: #E8820C; }
.tag-red { background: #FDEBEA; color: var(--red); }
.tag-gray { background: #F2F3F5; color: var(--text-3); }
.tag-blue { background: #E8F1FF; color: #2B7DE9; }

/* 表格 */
.table { width: 100%; border-collapse: collapse; font-size: 13px; }
.table th, .table td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); white-space: nowrap; }
.table th { color: var(--text-2); font-weight: 600; background: #FAFBFC; }
.table tbody tr:hover { background: #FFF7F7; }
.table .num { font-weight: 700; }
.table .op { color: var(--brand); cursor: pointer; margin-right: 10px; }
.table .op.danger { color: var(--red); }

.pager { display: flex; gap: 8px; justify-content: flex-end; align-items: center; margin-top: 14px; font-size: 13px; color: var(--text-2); }
.pager button { min-width: 56px; }

/* 登录 */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, #FFF0F0, #FFF8F8 50%, #FFF0F0); }
.login-card { width: 380px; background: #fff; border-radius: 16px; padding: 40px 36px; box-shadow: 0 8px 32px rgba(230, 59, 68, 0.12); }
.login-logo { width: 72px; height: 72px; border-radius: 18px; background: var(--brand-light); display: flex; align-items: center; justify-content: center; margin: 0 auto 16px; }
.brand-mark { --icon: url('assets/admin-icons/recycle.svg'); width: 38px; height: 38px; color: var(--brand); }
.login-title { text-align: center; font-size: 22px; }
.login-sub { text-align: center; color: var(--text-2); font-size: 13px; margin: 8px 0 24px; }
.field { margin-bottom: 14px; }
.field label { display: block; font-size: 13px; color: var(--text-2); margin-bottom: 6px; }
.field input { width: 100%; }
.login-error { color: var(--red); font-size: 13px; min-height: 20px; margin-bottom: 8px; }
.login-tip { text-align: center; color: var(--text-3); font-size: 12px; margin-top: 16px; }

/* 布局 */
.app { display: flex; min-height: 100vh; }
.sidebar { width: 230px; background: #fff; border-right: 1px solid var(--border); display: flex; flex-direction: column; position: fixed; top: 0; bottom: 0; left: 0; }
.side-brand { display: flex; align-items: center; gap: 12px; padding: 22px 20px; border-bottom: 1px solid var(--border); }
.side-logo { width: 44px; height: 44px; border-radius: 12px; background: var(--brand-light); display: flex; align-items: center; justify-content: center; }
.side-logo .brand-mark { width: 24px; height: 24px; }
.side-title { font-size: 17px; font-weight: 700; }
.side-sub { font-size: 12px; color: var(--text-3); }
.side-nav { flex: 1; padding: 14px 12px; display: flex; flex-direction: column; gap: 4px; }
.nav-item { display: flex; align-items: center; gap: 11px; padding: 12px 16px; border-radius: 10px; color: var(--text-2); font-size: 14px; cursor: pointer; }
.nav-icon { width: 18px; height: 18px; }
.nav-item:hover { background: #F5F6F8; }
.nav-item.active { background: var(--brand-light); color: var(--brand-dark); font-weight: 700; }
.btn-icon { width: 15px; height: 15px; margin-right: 5px; color: currentColor; }
.side-foot { padding: 16px; border-top: 1px solid var(--border); }
.side-user { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; }

.main { flex: 1; margin-left: 230px; padding: 24px 28px 40px; }
.view-title { font-size: 20px; font-weight: 700; margin-bottom: 18px; }

/* 看板 */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; margin-bottom: 16px; }
.stat-card { background: #fff; border-radius: 12px; padding: 18px; box-shadow: 0 1px 4px rgba(0,0,0,0.04); }
.stat-num { font-size: 26px; font-weight: 700; color: var(--brand-dark); }
.stat-num.warn { color: var(--orange); }
.stat-label { font-size: 13px; color: var(--text-3); margin-top: 4px; }

.chart { display: flex; align-items: flex-end; justify-content: space-between; height: 200px; padding-top: 10px; }
.chart-col { flex: 1; display: flex; flex-direction: column; align-items: center; height: 100%; justify-content: flex-end; }
.chart-bar { width: 26px; border-radius: 6px 6px 0 0; background: linear-gradient(180deg, #FF6B6F, #E63B44); }
.chart-num { font-size: 12px; color: var(--text-3); margin-top: 6px; }
.chart-label { font-size: 12px; color: var(--text-3); margin-top: 8px; }

.chips { display: flex; flex-wrap: wrap; gap: 12px; }
.chip { display: flex; align-items: center; gap: 8px; padding: 8px 14px; background: #FAFBFC; border-radius: 10px; font-size: 13px; }
.chip b { font-size: 16px; }

/* 工具栏 */
.toolbar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; gap: 12px; flex-wrap: wrap; }
.filters { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.seg { display: inline-flex; background: #F2F3F5; border-radius: 8px; padding: 3px; }
.seg-item { padding: 6px 14px; border-radius: 6px; font-size: 13px; color: var(--text-2); cursor: pointer; }
.seg-item.active { background: #fff; color: var(--brand-dark); font-weight: 700; box-shadow: 0 1px 3px rgba(0,0,0,0.08); }

/* 上传 */
.upload-tabs { display: flex; gap: 8px; margin-bottom: 16px; }
.up-tab { padding: 8px 18px; border-radius: 20px; background: #fff; color: var(--text-2); font-size: 14px; cursor: pointer; }
.up-tab.active { background: var(--brand); color: #fff; font-weight: 700; }
.up-controls { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 12px; }
.preview { margin-top: 8px; overflow-x: auto; }
.preview-info { font-size: 13px; color: var(--text-2); margin-bottom: 8px; }
.preview-info b { color: var(--brand-dark); }
.preview table { width: 100%; border-collapse: collapse; font-size: 12px; }
.preview th, .preview td { border: 1px solid var(--border); padding: 6px 10px; text-align: left; white-space: nowrap; }
.preview th { background: #FAFBFC; }

/* 导出 */
.export-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; }
.export-item { display: flex; align-items: center; justify-content: space-between; padding: 14px; border: 1px solid var(--border); border-radius: 10px; }
.export-name { font-weight: 600; }

/* 弹窗 */
.modal-mask { position: fixed; inset: 0; background: rgba(0,0,0,0.45); display: flex; align-items: center; justify-content: center; z-index: 100; }
.modal { width: 440px; max-width: 92vw; max-height: 86vh; overflow-y: auto; background: #fff; border-radius: 14px; padding: 24px; }
.modal h3 { margin-bottom: 16px; }
.modal .field { margin-bottom: 12px; }
.modal .field label { display: block; font-size: 13px; color: var(--text-2); margin-bottom: 6px; }
.modal .field input, .modal .field select { width: 100%; }
.image-hint { color: var(--text-3); font-size: 12px; margin-top: 6px; }
.category-image-preview { display: block; width: 128px; height: 88px; object-fit: cover; border: 1px solid var(--border); border-radius: 8px; margin-top: 10px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 20px; }

.toast { position: fixed; top: 24px; left: 50%; transform: translateX(-50%); background: rgba(0,0,0,0.78); color: #fff; padding: 10px 22px; border-radius: 8px; font-size: 14px; z-index: 200; }