/* ===== 全局重置 ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --primary:#1a8a5c;--primary-light:#4cb88a;--primary-dark:#0d5f3e;
  --bg:#f3f0e8;--card:#fdfcf6;--text:#2a2a20;--text-sec:#8b8b7a;
  --border:#e0ddd3;--success:#38a169;--danger:#e53e3e;--warning:#d69e2e;
  --accent:#e05a2a;--shadow:0 2px 8px rgba(0,0,0,.06);--shadow-lg:0 8px 24px rgba(0,0,0,.08);
  --radius:12px;--radius-sm:8px;
}
html{font-size:16px;-webkit-text-size-adjust:100%}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text);line-height:1.6;min-height:100vh}
img{max-width:100%;display:block}
button{cursor:pointer;font-family:inherit;border:none;outline:none}
input,textarea,select{font-family:inherit;outline:none}
a{text-decoration:none;color:inherit}

/* ===== 加载动画 ===== */
.loading-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh;gap:16px}
.loading-spinner{width:40px;height:40px;border:4px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* ===== 通用按钮 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 20px;border-radius:var(--radius-sm);font-size:14px;font-weight:600;transition:all .2s;white-space:nowrap}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark)}
.btn-danger{background:var(--danger);color:#fff}
.btn-danger:hover{background:#c53030}
.btn-success{background:var(--success);color:#fff}
.btn-success:hover{background:#2f855a}
.btn-warning{background:var(--warning);color:#fff}
.btn-outline{background:transparent;border:1.5px solid var(--border);color:var(--text-sec)}
.btn-outline:hover{border-color:var(--primary);color:var(--primary)}
.btn-ghost{background:transparent;color:var(--text-sec);padding:8px 12px}
.btn-ghost:hover{background:var(--bg)}
.btn-sm{padding:6px 12px;font-size:13px}
.btn-lg{padding:14px 28px;font-size:16px}
.btn-block{width:100%}
.btn-new-batch{background:linear-gradient(135deg,var(--success),#2f855a);color:#fff;padding:12px 24px;font-size:15px;font-weight:700;border-radius:var(--radius);box-shadow:0 4px 14px rgba(72,187,120,.35);transition:all .2s}
.btn-new-batch:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(72,187,120,.45);filter:brightness(1.05)}
.btn-back-batches{display:inline-flex;align-items:center;gap:6px;background:var(--primary);color:#fff;padding:10px 18px;font-size:14px;font-weight:700;border-radius:var(--radius-sm);box-shadow:0 2px 8px rgba(26,138,92,.3);transition:all .2s;border:none;cursor:pointer}
.btn-back-batches:hover{background:var(--primary-dark);box-shadow:0 4px 14px rgba(26,138,92,.4);transform:translateY(-1px)}

/* 未读红点 */
.unseen-badge{position:absolute;top:-8px;right:-8px;min-width:22px;height:22px;border-radius:11px;background:var(--danger);color:#fff;font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;padding:0 6px;box-shadow:0 2px 6px rgba(229,62,62,.5);animation:pulse-badge 2s infinite}
@keyframes pulse-badge{0%,100%{transform:scale(1)}50%{transform:scale(1.1)}}

/* ===== 登录页 ===== */
.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;background:linear-gradient(135deg,var(--primary-dark),var(--primary),var(--primary-light))}
.login-card{background:var(--card);border-radius:20px;box-shadow:var(--shadow-lg);padding:40px 32px;width:100%;max-width:400px}
.login-logo{text-align:center;margin-bottom:28px}
.login-logo .icon{font-size:48px}
.login-logo h1{font-size:22px;font-weight:700;color:var(--text);margin-top:8px}
.login-logo p{font-size:13px;color:var(--text-sec);margin-top:4px}
.login-tabs{display:flex;gap:0;margin-bottom:24px;background:var(--bg);border-radius:var(--radius-sm);padding:4px}
.login-tab{flex:1;padding:10px;text-align:center;font-size:14px;font-weight:600;color:var(--text-sec);border-radius:6px;transition:all .2s;cursor:pointer}
.login-tab.active{background:var(--card);color:var(--primary);box-shadow:var(--shadow)}
.form-group{margin-bottom:18px}
.form-label{display:block;font-size:14px;font-weight:600;color:var(--text);margin-bottom:6px}
.form-input{width:100%;padding:12px 16px;border:1.5px solid var(--border);border-radius:var(--radius-sm);font-size:15px;transition:border-color .2s;background:var(--card)}
.form-input:focus{border-color:var(--primary)}
.demo-hint{margin-top:20px;padding:12px 16px;background:#f0f2e8;border-radius:var(--radius-sm);font-size:12px;color:#5a6a3a;line-height:1.8}
.demo-hint strong{color:#3a4a20}

/* ===== 顶部导航 ===== */
.topbar{position:sticky;top:0;z-index:100;background:var(--card);box-shadow:var(--shadow);padding:12px 20px;display:flex;align-items:center;justify-content:space-between}
.topbar-left{display:flex;align-items:center;gap:10px}
.topbar-logo{font-size:20px}
.topbar-title{font-size:17px;font-weight:700;color:var(--primary)}
.topbar-right{display:flex;align-items:center;gap:12px}
.topbar-user{font-size:14px;color:var(--text-sec)}
.topbar-user strong{color:var(--text)}

/* ===== 统计卡片 ===== */
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px;padding:16px 20px}
.stat-card{background:var(--card);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);text-align:center}
.stat-card .stat-icon{font-size:28px;margin-bottom:8px}
.stat-card .stat-value{font-size:28px;font-weight:700;color:var(--primary)}
.stat-card .stat-label{font-size:13px;color:var(--text-sec);margin-top:4px}
.stat-card.danger .stat-value{color:var(--danger)}
.stat-card.warning .stat-value{color:var(--warning)}
.stat-card.success .stat-value{color:var(--success)}

/* ===== 顶栏折叠菜单（移动端） ===== */
.topbar-toggle{display:none;font-size:18px;padding:6px 10px}
.topbar-actions{display:flex;align-items:center;gap:8px}
@media(max-width:768px){
  .topbar-toggle{display:flex}
  .topbar-actions{display:none;flex-direction:column;position:absolute;top:100%;right:10px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius-sm);box-shadow:var(--shadow-lg);padding:8px;gap:4px;z-index:101;min-width:160px}
  .topbar-actions.show{display:flex}
  .topbar-actions .btn{width:100%;justify-content:flex-start}
}

/* ===== 内容区 ===== */
.content{padding:16px 20px 80px;max-width:1200px;margin:0 auto}
.section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.section-title{font-size:18px;font-weight:700}

/* ===== 产品卡片 ===== */
.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}
.product-card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;cursor:pointer;transition:transform .2s,box-shadow .2s}
.product-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.product-card .card-thumb{width:100%;height:160px;background:var(--bg);display:flex;align-items:center;justify-content:center;overflow:hidden;position:relative}
.product-card .card-thumb img{width:100%;height:100%;object-fit:cover}
.product-card .card-thumb .no-img{font-size:40px;color:var(--border)}
.product-card .card-badge{position:absolute;top:8px;right:8px;padding:4px 10px;border-radius:20px;font-size:11px;font-weight:700;color:#fff}
.badge-A{background:#2E7D32}
.badge-B{background:#1565C0}
.badge-C{background:#F57F17}
.badge-D{background:#C62828}
.badge-pending{background:#9E9E9E}
.product-card .card-body{padding:14px}
.product-card .card-title{font-size:15px;font-weight:600;margin-bottom:4px;display:flex;align-items:center;gap:6px}
.product-card .card-spec{font-size:13px;color:var(--text-sec)}
.product-card .card-price{font-size:18px;font-weight:700;color:var(--accent);margin-top:8px}
.product-card .card-price .unit{font-size:12px;color:var(--text-sec);font-weight:400}
.product-card .card-meta{display:flex;gap:12px;margin-top:8px;font-size:12px;color:var(--text-sec)}
.product-card .card-notes{margin-top:8px;padding:8px 10px;background:var(--bg);border-radius:6px;font-size:12px;color:var(--text-sec);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ===== 模态框 ===== */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:200;display:flex;align-items:flex-start;justify-content:center;padding:20px;overflow-y:auto}
.modal{background:var(--card);border-radius:var(--radius);width:100%;max-width:800px;box-shadow:var(--shadow-lg);margin:auto 0;animation:modalIn .2s ease}
@keyframes modalIn{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
.modal-header{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;border-bottom:1px solid var(--border);position:sticky;top:0;background:var(--card);border-radius:var(--radius) var(--radius) 0 0;z-index:1}
.modal-header h2{font-size:18px;font-weight:700}
.modal-close{width:36px;height:36px;border-radius:50%;background:var(--bg);display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--text-sec);transition:all .2s}
.modal-close:hover{background:var(--danger);color:#fff}
.modal-body{padding:24px;max-height:calc(100vh - 160px);overflow-y:auto}

/* ===== 图片网格 ===== */
.image-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:10px;margin-top:12px}
.image-grid.compact{grid-template-columns:repeat(auto-fill,minmax(80px,1fr));gap:6px;margin-top:8px}
.image-grid.compact .image-item{border-radius:6px}
.image-grid.compact .img-name{font-size:9px;padding:2px 4px}
.image-item{position:relative;border-radius:var(--radius-sm);overflow:hidden;aspect-ratio:1;background:var(--bg)}
.image-item img{width:100%;height:100%;object-fit:cover}
.image-item .img-delete{position:absolute;top:4px;right:4px;width:26px;height:26px;border-radius:50%;background:rgba(229,62,62,.9);color:#fff;display:flex;align-items:center;justify-content:center;font-size:14px;opacity:0;transition:opacity .2s}
.image-item:hover .img-delete{opacity:1}
.image-item .img-name{position:absolute;bottom:0;left:0;right:0;padding:4px 6px;background:rgba(0,0,0,.6);color:#fff;font-size:10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

.review-images-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 14px;background:#f7f9fa;border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;transition:background .15s}
.review-images-bar:hover{background:#edf2f7}
.review-images-summary{display:flex;flex-direction:column;gap:2px}
.review-image-thumbs{display:flex;gap:6px;align-items:center}
.review-image-thumbs img{width:36px;height:36px;border-radius:6px;object-fit:cover;border:1px solid var(--border)}
.review-image-more{width:36px;height:36px;border-radius:6px;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;flex-shrink:0}

/* ===== 上传区 ===== */
.upload-zone{border:2px dashed var(--border);border-radius:var(--radius);padding:32px 20px;text-align:center;cursor:pointer;transition:all .2s}
.upload-zone:hover,.upload-zone.dragover{border-color:var(--primary);background:#eef5e6}
.upload-zone .upload-icon{font-size:40px;color:var(--primary);margin-bottom:8px}
.upload-zone .upload-text{font-size:15px;font-weight:600;color:var(--text)}
.upload-zone .upload-hint{font-size:13px;color:var(--text-sec);margin-top:4px}
.upload-progress{margin-top:12px}
.upload-bar{height:6px;background:var(--border);border-radius:3px;overflow:hidden}
.upload-bar-fill{height:100%;background:var(--primary);transition:width .2s}
.upload-count{font-size:13px;color:var(--text-sec);margin-top:4px;text-align:center}

/* ===== 表单 ===== */
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}
.form-row-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px;margin-bottom:16px}
.price-input{display:flex;align-items:center;gap:8px}
.price-input .currency{font-size:18px;color:var(--accent);font-weight:700}

/* ===== 状态切换 ===== */
.status-toggle{display:flex;gap:10px;margin-top:8px}
.status-btn{flex:1;padding:14px;border-radius:var(--radius-sm);font-size:15px;font-weight:600;border:2px solid var(--border);background:var(--card);color:var(--text-sec);transition:all .2s;display:flex;align-items:center;justify-content:center;gap:8px}
.status-btn.active.A{border-color:#2E7D32;background:#2E7D32;color:#fff}
.status-btn.active.B{border-color:#1565C0;background:#1565C0;color:#fff}
.status-btn.active.C{border-color:#F57F17;background:#F57F17;color:#fff}
.status-btn.active.D{border-color:#C62828;background:#C62828;color:#fff}
.status-btn.active.pending{border-color:#9E9E9E;background:#9E9E9E;color:#fff}

/* ===== 表格 ===== */
.table-wrap{overflow-x:auto;border-radius:var(--radius);box-shadow:var(--shadow);background:var(--card)}
table{width:100%;border-collapse:collapse;font-size:14px}
th{background:var(--primary);color:#fff;padding:12px 16px;text-align:left;font-weight:600;white-space:nowrap;position:sticky;top:0;font-size:15px;line-height:1.4}
th small{font-size:13px;color:rgba(255,255,255,.85);font-weight:400}
td{padding:12px 16px;border-bottom:1px solid var(--border);white-space:nowrap}
tr:hover td{background:#f7f5ed}
.table-price{font-weight:700;color:var(--accent)}
.table-status{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;border-radius:20px;font-size:12px;font-weight:600}
.empty-state{text-align:center;padding:60px 20px;color:var(--text-sec)}
.empty-state .icon{font-size:56px;margin-bottom:12px}
.empty-state .text{font-size:16px;margin-bottom:16px}

/* ===== 产品价格排行 ===== */
.ranking-section{margin-top:20px}
.ranking-header{display:flex;align-items:center;margin-bottom:12px}
.ranking-title{font-size:16px;font-weight:700;color:var(--primary)}
.ranking-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:16px}
.ranking-card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;transition:box-shadow .2s}
.ranking-card:hover{box-shadow:var(--shadow-lg)}
.ranking-card-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:linear-gradient(135deg,#1a936f,#114b5f);color:#fff}
.ranking-card-name{font-size:15px;font-weight:700}
.ranking-card-spec{font-size:12px;opacity:.85}
.ranking-card-stats{display:flex;gap:12px;padding:8px 16px;background:#f7f9fa;border-bottom:1px solid var(--border)}
.rank-stat{font-size:12px;font-weight:600}
.rank-stat.low{color:#2e7d32}
.rank-stat.avg{color:var(--text-sec)}
.rank-stat.high{color:#c62828}
.ranking-list{padding:4px 0}
.ranking-row{display:flex;align-items:center;gap:8px;padding:8px 16px;cursor:pointer;transition:background .15s;border-bottom:1px solid #f0f0f0}
.ranking-row:last-child{border-bottom:none}
.ranking-row:hover{background:#f5f8f5}
.rank-num{width:24px;height:24px;border-radius:50%;background:var(--border);color:#fff;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;flex-shrink:0}
.rank-lowest .rank-num{background:#2e7d32}
.rank-highest .rank-num{background:#c62828}
.rank-merchant{flex:1;font-size:13px;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rank-price{font-size:15px;font-weight:700;color:var(--accent);white-space:nowrap}
.rank-lowest .rank-price{color:#2e7d32}
.rank-highest .rank-price{color:#c62828}
.rank-badge{font-size:11px;padding:2px 8px;border-radius:12px;font-weight:600;white-space:nowrap}

/* ===== 商家列表 ===== */
.merchant-card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px 20px;margin-bottom:12px;cursor:pointer;transition:all .2s;display:flex;align-items:center;justify-content:space-between}
.merchant-card:hover{box-shadow:var(--shadow-lg);transform:translateX(4px)}
.merchant-info{display:flex;align-items:center;gap:14px}
.merchant-avatar{width:48px;height:48px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:700;flex-shrink:0}
.merchant-name{font-size:16px;font-weight:600}
.merchant-meta{font-size:13px;color:var(--text-sec);margin-top:2px}
.merchant-stats{display:flex;gap:16px;text-align:center}
.merchant-stat .num{font-size:20px;font-weight:700;color:var(--primary)}
.merchant-stat .label{font-size:11px;color:var(--text-sec)}

/* ===== Tab 导航 ===== */
.tab-nav{display:flex;gap:0;background:var(--card);border-radius:var(--radius-sm);padding:4px;margin-bottom:16px;box-shadow:var(--shadow)}
.tab-item{flex:1;padding:10px;text-align:center;font-size:14px;font-weight:600;color:var(--text-sec);border-radius:6px;cursor:pointer;transition:all .2s}
.tab-item.active{background:var(--primary);color:#fff}

/* ===== Toast 提示 ===== */
.toast-container{position:fixed;top:20px;left:50%;transform:translateX(-50%);z-index:9999;display:flex;flex-direction:column;gap:8px}
.toast{padding:12px 24px;border-radius:var(--radius-sm);font-size:14px;font-weight:600;color:#fff;box-shadow:var(--shadow-lg);animation:toastIn .3s ease;display:flex;align-items:center;gap:8px}
.toast.success{background:var(--success)}
.toast.error{background:var(--danger)}
.toast.info{background:var(--primary)}
@keyframes toastIn{from{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}

/* ===== 确认弹窗 ===== */
.confirm-overlay{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:300;display:flex;align-items:center;justify-content:center;padding:20px}
.confirm-box{background:var(--card);border-radius:var(--radius);padding:28px;max-width:360px;width:100%;text-align:center;box-shadow:var(--shadow-lg)}
.confirm-box .icon{font-size:48px;margin-bottom:12px}
.confirm-box h3{font-size:18px;font-weight:700;margin-bottom:8px}
.confirm-box p{font-size:14px;color:var(--text-sec);margin-bottom:20px}
.confirm-actions{display:flex;gap:12px}
.confirm-actions .btn{flex:1}

/* ===== 底部操作栏 ===== */
.bottom-bar{position:sticky;bottom:0;left:0;right:0;background:var(--card);box-shadow:0 -2px 8px rgba(0,0,0,.08);padding:12px 20px;display:flex;gap:12px;z-index:50}

/* ===== 标签 ===== */
.tag{display:inline-flex;align-items:center;gap:4px;padding:2px 8px;border-radius:4px;font-size:12px;font-weight:600}
.tag-A{background:#e6ffed;color:#2E7D32}
.tag-B{background:#e3f2fd;color:#1565C0}
.tag-C{background:#fffbeb;color:#F57F17}
.tag-D{background:#ffeef0;color:#C62828}
.tag-pending{background:#f5f5f5;color:#9E9E9E}
.tag-green{background:#e6ffed;color:var(--success)}
.tag-red{background:#ffeef0;color:var(--danger)}
.tag-yellow{background:#fffbeb;color:var(--warning)}
.tag-blue{background:#ebf8ff;color:#2c5282}

/* ===== 左右分栏布局 ===== */
.split-layout{display:flex;gap:0;min-height:calc(100vh - 200px);background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);margin:16px 20px;overflow:hidden}
.sidebar{width:300px;min-width:300px;border-right:1px solid var(--border);display:flex;flex-direction:column;background:#eef1ea}
.sidebar-header{padding:14px 16px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border);background:var(--card)}
.sidebar-header .title{font-size:15px;font-weight:700}
.sidebar-search{padding:10px 14px;border-bottom:1px solid var(--border)}
.sidebar-search input{width:100%;padding:9px 12px;border:1.5px solid var(--border);border-radius:var(--radius-sm);font-size:13px;background:var(--card);transition:border-color .2s}
.sidebar-search input:focus{border-color:var(--primary)}
/* 侧边栏状态筛选标签 */
.sidebar-tabs{display:grid;grid-template-columns:repeat(4,1fr);gap:4px;padding:8px 10px;border-bottom:1px solid var(--border)}
.sidebar-tab{padding:7px 4px;text-align:center;font-size:12px;font-weight:600;color:var(--text-sec);border-radius:6px;cursor:pointer;transition:all .15s;background:var(--bg);display:flex;flex-direction:column;align-items:center;gap:1px}
.sidebar-tab:hover{background:#dde4ce}
.sidebar-tab.active{background:var(--primary);color:#fff}
.sidebar-tab.active.A{background:#2E7D32}
.sidebar-tab.active.B{background:#1565C0}
.sidebar-tab.active.C{background:#F57F17}
.sidebar-tab.active.D{background:#C62828}
.sidebar-tab.active.pending{background:#9E9E9E}
.sidebar-tab .count{font-size:10px;opacity:.7}
.sidebar-list{flex:1;overflow-y:auto;padding:4px 0}
.sidebar-item{padding:12px 16px;cursor:pointer;transition:background .15s;border-bottom:1px solid #e8e5da;display:flex;align-items:center;justify-content:space-between;gap:10px}
.sidebar-item:hover{background:#e1e8d6}
.sidebar-item.active{background:#c5d4b3;border-left:3px solid var(--primary);padding-left:13px}
.sidebar-item .item-info{flex:1;min-width:0}
.sidebar-item .item-name{font-size:14px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sidebar-item .item-meta{font-size:12px;color:var(--text-sec);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:2px}
.sidebar-item .item-price{font-size:14px;font-weight:700;color:var(--accent);white-space:nowrap;flex-shrink:0}
.sidebar-item .item-badge{display:inline-flex;align-items:center;justify-content:center;padding:4px 10px;border-radius:12px;font-size:13px;font-weight:700;color:#fff;flex-shrink:0;min-width:42px;text-shadow:0 1px 1px rgba(0,0,0,.25);box-shadow:0 1px 2px rgba(0,0,0,.1)}
.sidebar-item .item-badge.A{background:#2E7D32}
.sidebar-item .item-badge.B{background:#1565C0}
.sidebar-item .item-badge.C{background:#F57F17}
.sidebar-item .item-badge.D{background:#C62828}
.sidebar-item .item-badge.pending{background:#9E9E9E}
.sidebar-empty{padding:40px 16px;text-align:center;color:var(--text-sec);font-size:13px}

.main-panel{flex:1;overflow-y:auto;display:flex;flex-direction:column}
.main-panel .panel-empty{flex:1;display:flex;align-items:center;justify-content:center;color:var(--text-sec);font-size:15px;flex-direction:column;gap:12px}
.main-panel .panel-empty .icon{font-size:48px}
.main-panel .panel-header{padding:16px 24px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;background:var(--card);z-index:2}
.main-panel .panel-header h2{font-size:18px;font-weight:700}
.main-panel .panel-body{padding:24px;flex:1;overflow-y:auto}

/* 管理员界面字号加大，减少阅读疲劳 */
.admin-view .sidebar-item .item-name{font-size:16px}
.admin-view .sidebar-item .item-meta{font-size:14px}
.admin-view .sidebar-item .item-badge{font-size:12px;padding:3px 10px}
.admin-view .sidebar-tab{font-size:14px}
.admin-view .sidebar-tab .count{font-size:12px}
.admin-view .main-panel .panel-header h2{font-size:20px}
.admin-view .main-panel .panel-body{font-size:15px}
.admin-view .sidebar-header .title{font-size:16px}
.admin-view .sidebar-search input{font-size:14px}

/* ===== 移动端全局适配 ===== */
/* 平板 (≤900px) */
@media(max-width:900px){
  .stats-grid{grid-template-columns:repeat(4,1fr)}
  .ranking-grid{grid-template-columns:1fr}
  .product-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
}

/* 手机横屏/小平板 (≤768px) */
@media(max-width:768px){
  /* ---- 分栏布局 ---- */
  .split-layout{flex-direction:column!important;margin:0!important;border-radius:0!important;box-shadow:none!important;min-height:auto!important}
  .sidebar{width:100%!important;min-width:0!important;max-height:45vh;border-right:none!important;border-bottom:1px solid var(--border)}
  .sidebar-list{max-height:30vh}
  .sidebar-tabs{grid-template-columns:repeat(3,1fr)}
  .main-panel{flex:auto}
  .main-panel .panel-empty{flex:0 0 auto;min-height:120px;padding:24px 16px;font-size:14px}
  .main-panel .panel-empty .icon{font-size:36px}
  .main-panel .panel-body{padding:12px}
  .main-panel .panel-header{padding:12px 16px}
  .main-panel .panel-header h2{font-size:16px}

  /* ---- 顶栏 ---- */
  .topbar{flex-wrap:wrap;gap:6px;padding:10px 14px}
  .topbar-left{flex-shrink:0}
  .topbar-right{gap:5px;flex-wrap:wrap}
  .topbar-right .btn{padding:6px 10px;font-size:12px}
  .topbar-right select{max-width:150px;font-size:12px;padding:6px 8px}
  .topbar-title{font-size:14px}
  .topbar-user{display:none}

  /* ---- Tab导航 ---- */
  .tab-nav{overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none;gap:2px}
  .tab-nav::-webkit-scrollbar{display:none}
  .tab-item{flex-shrink:0;padding:8px 10px;font-size:13px;white-space:nowrap}

  /* ---- 统计 ---- */
  .stats-grid{grid-template-columns:repeat(3,1fr);gap:8px;padding:12px 14px}
  .stat-card{padding:12px 8px}
  .stat-card .stat-value{font-size:22px}
  .stat-card .stat-icon{font-size:22px}

  /* ---- 商家卡片 ---- */
  .merchant-card{flex-direction:column;align-items:flex-start;gap:10px}
  .merchant-card .merchant-info{width:100%}
  .merchant-stats{width:100%;justify-content:space-around}

  /* ---- 表单 ---- */
  .form-row,.form-row-3{grid-template-columns:1fr;gap:12px}

  /* ---- 产品卡片 ---- */
  .product-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:10px}

  /* ---- 排名卡片 ---- */
  .ranking-grid{grid-template-columns:1fr}

  /* ---- 报价对比表 ---- */
  .table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;position:relative}
  .table-wrap::after{content:"← 左右滑动查看更多 →";display:block;text-align:center;font-size:11px;color:var(--text-sec);padding:8px 0 4px}
  table{font-size:13px}
  th,td{padding:8px 10px}

  /* ---- 弹窗 ---- */
  .modal{max-width:100vw;margin:0}
  .modal-overlay{padding:0;align-items:flex-end}
  .modal-header{padding:16px 20px}
  .modal-body{padding:16px;max-height:calc(100vh - 140px)}

  /* ---- 内容 ---- */
  .content{padding:12px!important;max-width:100%!important;margin:0!important}

  /* ---- 底部操作栏 ---- */
  .bottom-bar{padding:10px 14px;flex-wrap:wrap;gap:8px}
}

/* 手机竖屏 (≤480px) */
@media(max-width:480px){
  /* ---- 顶栏 ---- */
  .topbar{padding:8px 10px;gap:4px}
  .topbar-title{font-size:13px}
  .topbar-logo{font-size:16px}
  .topbar-right{gap:4px}
  .topbar-right .btn{padding:5px 8px;font-size:11px}
  .topbar-right select{max-width:120px;font-size:11px}

  /* ---- 统计 ---- */
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:6px;padding:10px}
  .stat-card{padding:10px 6px;border-radius:8px}
  .stat-card .stat-value{font-size:20px}
  .stat-card .stat-label{font-size:11px}

  /* ---- Tab ---- */
  .tab-item{padding:7px 8px;font-size:12px;min-width:0}

  /* ---- 侧边栏 ---- */
  .sidebar-tabs{grid-template-columns:repeat(3,1fr);gap:3px;padding:6px}
  .sidebar-tab{padding:5px 2px;font-size:10px;border-radius:4px}
  .sidebar-tab .count{font-size:9px}
  .sidebar-item{padding:10px 12px}
  .sidebar-item .item-name{font-size:13px}
  .sidebar-item .item-price{font-size:13px}

  /* ---- 产品卡片 ---- */
  .product-grid{grid-template-columns:1fr;gap:8px}
  .product-card .card-thumb{height:140px}

  /* ---- 图片网格 ---- */
  .image-grid{grid-template-columns:repeat(auto-fill,minmax(70px,1fr));gap:6px}
  .image-grid.compact{grid-template-columns:repeat(auto-fill,minmax(60px,1fr))}

  /* ---- 弹窗 ---- */
  .modal{border-radius:16px 16px 0 0}
  .modal-header{padding:14px 16px;border-radius:16px 16px 0 0}
  .modal-header h2{font-size:16px}
  .modal-body{padding:14px;max-height:calc(100vh - 150px)}

  /* ---- 状态按钮 ---- */
  .status-btn{padding:8px 6px!important;font-size:12px!important;gap:4px}
  .status-toggle{gap:6px}

  /* ---- 审核弹窗按钮 ---- */
  .admin-view .panel-body button.status-btn{padding:6px 10px!important;font-size:13px!important}

  /* ---- 商家管理 ---- */
  .merchant-card{gap:8px;padding:12px}
  .merchant-avatar{width:36px;height:36px;font-size:16px}
  .merchant-name{font-size:14px}
  .merchant-stat .num{font-size:16px}

  /* ---- 登录 ---- */
  .login-card{padding:24px 16px}
  .login-logo .icon{font-size:36px}
  .login-logo h1{font-size:18px}

  /* ---- 内容 ---- */
  .content{padding:8px!important;max-width:100%!important;margin:0!important}
  .section-title{font-size:16px}

  /* ---- 价格排行 ---- */
  .ranking-card-header{padding:10px 12px}
  .ranking-card-stats{padding:6px 12px}
  .ranking-row{padding:6px 12px}

  /* ---- 底部 ---- */
  .bottom-bar{padding:8px 10px;gap:6px}
  .bottom-bar .btn{padding:8px 12px;font-size:13px}
}

/* 超小屏 (≤360px) */
@media(max-width:360px){
  .topbar-title{font-size:12px;max-width:120px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .topbar-right .btn{padding:4px 6px;font-size:10px}
  .tab-item{font-size:11px;padding:6px}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:4px}
  .sidebar-item .item-name{font-size:12px}
}

/* ===== 图片预览 ===== */
.image-preview-overlay{position:fixed;inset:0;background:rgba(0,0,0,.9);z-index:400;display:flex;align-items:center;justify-content:center;padding:20px}
.image-preview-overlay img{max-width:90vw;max-height:90vh;border-radius:8px}
.image-preview-close{position:absolute;top:20px;right:20px;width:44px;height:44px;border-radius:50%;background:rgba(255,255,255,.2);color:#fff;font-size:24px;display:flex;align-items:center;justify-content:center;cursor:pointer}
.image-preview-nav{position:absolute;top:50%;transform:translateY(-50%);width:56px;height:56px;border-radius:50%;background:rgba(255,255,255,.15);color:#fff;font-size:36px;display:flex;align-items:center;justify-content:center;cursor:pointer;border:none;transition:background .2s;z-index:401}
.image-preview-nav:hover{background:rgba(255,255,255,.3)}
.image-preview-nav.prev{left:40px}
.image-preview-nav.next{right:40px}
.image-preview-counter{position:absolute;bottom:24px;left:50%;transform:translateX(-50%);background:rgba(0,0,0,.6);color:#fff;padding:6px 16px;border-radius:20px;font-size:14px;font-weight:600}

/* ===== 表格下发 ===== */
.assignment-card{cursor:pointer}
.assignment-card:hover{border-color:var(--primary) !important;box-shadow:0 2px 12px rgba(0,0,0,.08)}
@media(max-width:768px){
  .assignment-card{padding:14px !important}
  .assignment-card .btn-sm{padding:4px 8px;font-size:11px}
}