/* 昕宝保健品 v2 - 全局样式 浅绿色主题 */
:root {
    --primary: #4CAF50;
    --primary-light: #81C784;
    --primary-lighter: #C8E6C9;
    --primary-lightest: #E8F5E9;
    --primary-dark: #388E3C;
    --text: #2E3B2E;
    --text-light: #6B7C6B;
    --bg: #F5FBF5;
    --white: #FFFFFF;
    --border: #D5E8D5;
    --danger: #E53935;
    --warning: #FF9800;
    --success: #43A047;
    --shadow: 0 2px 8px rgba(76,175,80,0.12);
    --shadow-hover: 0 4px 16px rgba(76,175,80,0.2);
    --radius: 10px;
}
* { margin:0; padding:0; box-sizing:border-box; }
body { font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif; background:var(--bg); color:var(--text); line-height:1.6; }
a { color:var(--primary-dark); text-decoration:none; }
a:hover { color:var(--primary); }

/* 导航 */
.navbar { background:var(--white); border-bottom:2px solid var(--primary-lighter); box-shadow:var(--shadow); position:sticky; top:0; z-index:100; }
.nav-container { max-width:1200px; margin:0 auto; padding:0 20px; display:flex; align-items:center; justify-content:space-between; height:64px; }
.nav-logo { font-size:22px; font-weight:700; color:var(--primary-dark); display:flex; align-items:center; gap:8px; }
.nav-logo .icon { font-size:28px; }
.nav-logo small { font-size:12px; color:var(--text-light); font-weight:400; display:block; }
.nav-links { display:flex; gap:20px; align-items:center; }
.nav-links a { color:var(--text); font-weight:500; padding:6px 12px; border-radius:6px; transition:all .2s; font-size:14px; }
.nav-links a:hover, .nav-links a.active { background:var(--primary-lightest); color:var(--primary-dark); }
.nav-user { display:flex; align-items:center; gap:8px; font-size:14px; }
.nav-user .avatar { width:32px; height:32px; background:var(--primary); color:#fff; border-radius:50%; display:flex; align-items:center; justify-content:center; font-weight:600; font-size:14px; }

/* 容器 */
.container { max-width:1200px; margin:0 auto; padding:24px 20px; }

/* 横幅 */
.banner { background:linear-gradient(135deg,var(--primary-light) 0%,var(--primary) 100%); color:#fff; border-radius:var(--radius); padding:48px 40px; margin-bottom:32px; position:relative; overflow:hidden; }
.banner h1 { font-size:36px; margin-bottom:12px; }
.banner p { font-size:18px; opacity:.9; }
.banner::after { content:'🌿'; position:absolute; right:40px; top:50%; transform:translateY(-50%); font-size:120px; opacity:.15; }

/* 分类栏 */
.category-bar { display:flex; gap:10px; margin-bottom:24px; flex-wrap:wrap; }
.category-bar a { padding:8px 18px; background:var(--white); border:1px solid var(--border); border-radius:20px; font-weight:500; transition:all .2s; font-size:14px; }
.category-bar a:hover, .category-bar a.active { background:var(--primary); color:#fff; border-color:var(--primary); }

/* 商品网格 */
.product-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(240px,1fr)); gap:20px; }
.product-card { background:var(--white); border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow); transition:all .3s; border:1px solid var(--border); position:relative; }
.product-card:hover { transform:translateY(-4px); box-shadow:var(--shadow-hover); }
.product-tag { position:absolute; top:10px; left:10px; z-index:2; padding:4px 10px; border-radius:12px; font-size:12px; font-weight:600; color:#fff; }
.tag-hot { background:#E53935; }
.tag-new { background:#43A047; }
.tag-recommend { background:#FB8C00; }
.tag-sale { background:#8E24AA; }
.product-img { height:180px; background:linear-gradient(135deg,var(--primary-lightest),var(--primary-lighter)); display:flex; align-items:center; justify-content:center; font-size:64px; }
.product-info { padding:14px; }
.product-cat { font-size:11px; color:var(--primary-dark); background:var(--primary-lightest); padding:2px 8px; border-radius:4px; display:inline-block; margin-bottom:6px; }
.product-name { font-size:14px; font-weight:600; margin-bottom:6px; line-height:1.4; height:40px; overflow:hidden; }
.product-meta { display:flex; justify-content:space-between; align-items:center; }
.product-price { font-size:20px; font-weight:700; color:var(--primary-dark); }
.product-sales { font-size:11px; color:var(--text-light); }
.product-stock { font-size:12px; color:var(--text-light); margin-top:4px; }
.product-actions { padding:0 14px 14px; }

/* 按钮 */
.btn { display:inline-flex; align-items:center; justify-content:center; gap:6px; padding:10px 20px; border:none; border-radius:8px; font-size:14px; font-weight:600; cursor:pointer; transition:all .2s; text-decoration:none; }
.btn-primary { background:var(--primary); color:#fff; }
.btn-primary:hover { background:var(--primary-dark); color:#fff; }
.btn-outline { background:transparent; color:var(--primary); border:1px solid var(--primary); }
.btn-outline:hover { background:var(--primary-lightest); }
.btn-danger { background:var(--danger); color:#fff; }
.btn-danger:hover { background:#C62828; }
.btn-sm { padding:6px 12px; font-size:13px; }
.btn-block { width:100%; }
.btn:disabled { opacity:.5; cursor:not-allowed; }

/* 卡片 */
.card { background:var(--white); border-radius:var(--radius); box-shadow:var(--shadow); border:1px solid var(--border); padding:24px; margin-bottom:20px; }
.card h2 { font-size:20px; margin-bottom:16px; color:var(--primary-dark); }
.card h3 { font-size:17px; margin-bottom:12px; }

/* 表格 */
.table { width:100%; border-collapse:collapse; }
.table th, .table td { padding:12px 16px; text-align:left; border-bottom:1px solid var(--border); }
.table th { background:var(--primary-lightest); color:var(--primary-dark); font-weight:600; font-size:14px; }
.table tr:hover { background:var(--bg); }
.table .text-right { text-align:right; }
.table .text-center { text-align:center; }

/* 表单 */
.form-group { margin-bottom:16px; }
.form-group label { display:block; margin-bottom:6px; font-weight:500; font-size:14px; }
.form-control { width:100%; padding:10px 14px; border:1px solid var(--border); border-radius:8px; font-size:14px; transition:border-color .2s; background:var(--white); }
.form-control:focus { outline:none; border-color:var(--primary); box-shadow:0 0 0 3px var(--primary-lighter); }
select.form-control { cursor:pointer; }
textarea.form-control { resize:vertical; min-height:80px; }
.form-row { display:flex; gap:16px; }
.form-row .form-group { flex:1; }

/* 购物车 */
.cart-item { display:flex; align-items:center; padding:16px 0; border-bottom:1px solid var(--border); gap:16px; }
.cart-item-img { width:60px; height:60px; background:var(--primary-lightest); border-radius:8px; display:flex; align-items:center; justify-content:center; font-size:28px; flex-shrink:0; }
.cart-item-info { flex:1; }
.cart-item-name { font-weight:600; margin-bottom:4px; }
.cart-item-price { color:var(--primary-dark); font-weight:600; }
.cart-qty { display:flex; align-items:center; gap:8px; }
.cart-qty button { width:30px; height:30px; border:1px solid var(--border); background:var(--white); border-radius:6px; cursor:pointer; font-size:16px; display:flex; align-items:center; justify-content:center; }
.cart-qty button:hover { background:var(--primary-lightest); }
.cart-qty span { min-width:30px; text-align:center; font-weight:600; }
.cart-summary { background:var(--primary-lightest); border-radius:var(--radius); padding:20px; }
.cart-summary-row { display:flex; justify-content:space-between; padding:8px 0; font-size:15px; }
.cart-summary-row.total { border-top:2px solid var(--primary-lighter); margin-top:8px; padding-top:16px; font-size:20px; font-weight:700; color:var(--primary-dark); }

/* 徽章 */
.badge { display:inline-block; padding:3px 10px; border-radius:12px; font-size:12px; font-weight:600; }
.badge-success { background:#C8E6C9; color:#2E7D32; }
.badge-warning { background:#FFE0B2; color:#E65100; }
.badge-danger { background:#FFCDD2; color:#C62828; }
.badge-info { background:#BBDEFB; color:#1565C0; }
.badge-purple { background:#E1BEE7; color:#6A1B9A; }

/* 统计卡片 */
.stats-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(200px,1fr)); gap:16px; margin-bottom:24px; }
.stat-card { background:var(--white); border-radius:var(--radius); padding:20px; box-shadow:var(--shadow); border-left:4px solid var(--primary); }
.stat-card .label { font-size:13px; color:var(--text-light); margin-bottom:8px; }
.stat-card .value { font-size:28px; font-weight:700; color:var(--primary-dark); }

/* 登录页面 */
.login-page { min-height:100vh; display:flex; align-items:center; justify-content:center; background:linear-gradient(135deg,var(--primary-lightest) 0%,var(--primary-lighter) 100%); padding:20px; }
.login-box { background:var(--white); border-radius:16px; box-shadow:0 8px 32px rgba(76,175,80,0.2); padding:40px; width:100%; max-width:420px; }
.login-logo { text-align:center; margin-bottom:24px; }
.login-logo .icon { font-size:56px; }
.login-logo h1 { font-size:24px; color:var(--primary-dark); margin-top:8px; }
.login-logo p { font-size:14px; color:var(--text-light); }
.login-box .form-group { margin-bottom:18px; }
.login-box .btn { padding:12px; font-size:16px; }
.login-footer { text-align:center; margin-top:20px; font-size:14px; color:var(--text-light); }
.login-hint { background:var(--primary-lightest); padding:12px; border-radius:8px; font-size:13px; color:var(--text); margin-top:16px; }
.login-hint strong { color:var(--primary-dark); }

/* POS 样式 */
.pos-layout { display:grid; grid-template-columns:1fr 400px; height:calc(100vh - 64px); }
.pos-products { overflow-y:auto; padding:20px; background:var(--bg); }
.pos-cart { background:var(--white); border-left:2px solid var(--border); display:flex; flex-direction:column; overflow:hidden; }
.pos-cart-header { padding:14px 20px; background:var(--primary); color:#fff; font-weight:600; font-size:16px; display:flex; justify-content:space-between; align-items:center; }
.pos-cart-items { flex:1; overflow-y:auto; padding:12px; }
.pos-cart-item { display:flex; justify-content:space-between; align-items:center; padding:10px; border-radius:8px; margin-bottom:6px; background:var(--bg); }
.pos-cart-item .name { font-size:13px; font-weight:500; flex:1; }
.pos-cart-item .qty-control { display:flex; align-items:center; gap:4px; margin:0 8px; }
.pos-cart-item .qty-control button { width:24px; height:24px; border:1px solid var(--border); background:var(--white); border-radius:4px; cursor:pointer; font-size:14px; }
.pos-cart-item .line-total { font-weight:600; color:var(--primary-dark); min-width:60px; text-align:right; }
.pos-cart-item .remove { color:var(--danger); cursor:pointer; margin-left:6px; background:none; border:none; }
.pos-cart-footer { padding:16px; border-top:2px solid var(--border); }
.pos-product-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(140px,1fr)); gap:12px; }
.pos-product-card { background:var(--white); border-radius:8px; padding:12px; cursor:pointer; border:1px solid var(--border); transition:all .2s; text-align:center; position:relative; }
.pos-product-card:hover { border-color:var(--primary); box-shadow:var(--shadow); transform:translateY(-2px); }
.pos-product-card .icon { font-size:36px; margin-bottom:6px; }
.pos-product-card .name { font-size:12px; font-weight:500; margin-bottom:4px; line-height:1.3; height:32px; overflow:hidden; }
.pos-product-card .price { font-size:15px; font-weight:700; color:var(--primary-dark); }
.pos-product-card .barcode { font-size:10px; color:var(--text-light); margin-top:2px; }
.pos-search { margin-bottom:16px; display:flex; gap:8px; }
.pos-search input { flex:1; padding:10px 14px; border:1px solid var(--border); border-radius:8px; font-size:14px; }
.pos-member-box { padding:12px; border-bottom:1px solid var(--border); }

/* 管理后台 */
.admin-layout { display:grid; grid-template-columns:220px 1fr; min-height:calc(100vh - 64px); }
.admin-sidebar { background:var(--white); border-right:1px solid var(--border); padding:20px 0; }
.admin-sidebar a { display:block; padding:12px 24px; color:var(--text); font-weight:500; border-left:3px solid transparent; transition:all .2s; font-size:14px; }
.admin-sidebar a:hover, .admin-sidebar a.active { background:var(--primary-lightest); color:var(--primary-dark); border-left-color:var(--primary); }
.admin-content { padding:24px; }

/* 发票 */
.invoice { max-width:800px; margin:0 auto; background:var(--white); padding:40px; border-radius:var(--radius); box-shadow:var(--shadow); }
.invoice-header { display:flex; justify-content:space-between; margin-bottom:30px; padding-bottom:20px; border-bottom:2px solid var(--primary-lighter); }
.invoice-title { font-size:28px; font-weight:700; color:var(--primary-dark); }
.invoice-meta { text-align:right; font-size:14px; color:var(--text-light); }
.invoice-table { width:100%; border-collapse:collapse; margin-bottom:24px; }
.invoice-table th { background:var(--primary-lightest); padding:12px; text-align:left; color:var(--primary-dark); font-size:14px; }
.invoice-table td { padding:12px; border-bottom:1px solid var(--border); }
.invoice-totals { margin-left:auto; width:300px; }
.invoice-totals .row { display:flex; justify-content:space-between; padding:6px 0; }
.invoice-totals .row.grand { border-top:2px solid var(--primary); margin-top:8px; padding-top:12px; font-size:20px; font-weight:700; color:var(--primary-dark); }

/* 提示 */
.alert { padding:14px 18px; border-radius:8px; margin-bottom:16px; font-size:14px; }
.alert-success { background:#C8E6C9; color:#2E7D32; }
.alert-error { background:#FFCDD2; color:#C62828; }
.alert-info { background:#BBDEFB; color:#1565C0; }
.alert-warning { background:#FFF3E0; color:#E65100; }

/* 空状态 */
.empty-state { text-align:center; padding:60px 20px; color:var(--text-light); }
.empty-state .icon { font-size:64px; margin-bottom:16px; }
.empty-state h3 { font-size:18px; margin-bottom:8px; color:var(--text); }

/* 系统入口选择页 */
.portal-page { min-height:100vh; display:flex; flex-direction:column; align-items:center; justify-content:center; background:linear-gradient(135deg,var(--primary-lightest),var(--primary-lighter)); padding:40px 20px; }
.portal-title { text-align:center; margin-bottom:40px; }
.portal-title .icon { font-size:72px; }
.portal-title h1 { font-size:36px; color:var(--primary-dark); margin:12px 0 8px; }
.portal-title p { font-size:18px; color:var(--text-light); }
.portal-cards { display:grid; grid-template-columns:repeat(auto-fit,minmax(260px,1fr)); gap:24px; max-width:900px; width:100%; }
.portal-card { background:var(--white); border-radius:16px; padding:32px; text-align:center; box-shadow:var(--shadow); transition:all .3s; border:2px solid transparent; cursor:pointer; text-decoration:none; display:block; }
.portal-card:hover { transform:translateY(-6px); box-shadow:var(--shadow-hover); border-color:var(--primary-lighter); }
.portal-card .p-icon { font-size:56px; margin-bottom:16px; }
.portal-card h3 { font-size:22px; color:var(--primary-dark); margin-bottom:8px; }
.portal-card p { font-size:14px; color:var(--text-light); margin-bottom:16px; }
.portal-card .p-btn { display:inline-block; padding:10px 24px; background:var(--primary); color:#fff; border-radius:8px; font-weight:600; font-size:14px; }

@media (max-width:768px) {
    .nav-links { gap:10px; }
    .nav-links a { padding:4px 8px; font-size:13px; }
    .banner { padding:32px 24px; }
    .banner h1 { font-size:26px; }
    .pos-layout { grid-template-columns:1fr; }
    .admin-layout { grid-template-columns:1fr; }
    .form-row { flex-direction:column; gap:0; }
}