/* ============================================================
   魔方产品交易市场 - 全面响应式适配
   mobile-first responsive overrides
   ============================================================ */

/* ===== 全局基础修复 ===== */
html { -webkit-text-size-adjust: 100%; }
img, video, iframe { max-width: 100%; height: auto; }
table { word-break: break-word; }

/* ===== 导航栏响应式 ===== */
@media (max-width: 768px) {
  .navbar-inner {
    height: 52px;
    padding: 0 14px;
    gap: 8px;
    position: relative;
  }
  .navbar-brand span { font-size: 14px; }
  .navbar-nav {
    display: none;
    position: fixed;
    top: 52px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--border);
    padding: 8px 0;
    z-index: 1100;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    max-height: calc(100vh - 52px);
    overflow-y: auto;
  }
  .navbar-nav.show { display: flex; flex-direction: column; }
  .navbar-nav a {
    padding: 12px 20px;
    border-bottom: 1px solid var(--border-light);
    border-radius: 0;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
  }
  .navbar-nav a:last-child { border-bottom: none; }
  .mobile-menu-btn { display: flex !important; align-items: center; justify-content: center; }
  .btn-publish { font-size: 12px !important; padding: 6px 10px !important; }
  .user-avatar { width: 30px; height: 30px; font-size: 12px; }
  /* 用户下拉菜单在移动端改为底部弹出 */
  .user-dropdown {
    position: fixed;
    top: auto;
    bottom: 0;
    left: 0;
    right: 0;
    border-radius: 16px 16px 0 0;
    min-width: unset;
    padding: 8px 0 env(safe-area-inset-bottom, 8px);
    z-index: 1200;
    box-shadow: 0 -4px 24px rgba(0,0,0,0.12);
  }
  .user-dropdown a {
    padding: 14px 20px;
    font-size: 14px;
    border-bottom: 1px solid var(--border-light);
  }
  .user-dropdown a:last-child { border-bottom: none; }
  .user-dropdown .divider { margin: 0; }
  /* 遮罩层 */
  .user-dropdown.show::before {
    content: '';
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    z-index: -1;
  }
}

/* ===== 用户中心布局 ===== */
.user-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 20px;
  align-items: start;
}

@media (max-width: 900px) {
  .user-layout { grid-template-columns: 180px 1fr; gap: 14px; }
}

@media (max-width: 768px) {
  .user-layout { grid-template-columns: 1fr; gap: 0; }

  /* 侧边栏变为顶部横向滚动导航 */
  .user-sidebar {
    border-radius: 0 !important;
    border-left: none !important;
    border-right: none !important;
    border-top: none !important;
    margin-bottom: 0 !important;
    position: sticky;
    top: 52px;
    z-index: 100;
    background: #fff !important;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
  }
  .user-info-block { display: none !important; }
  .user-menu {
    display: flex !important;
    flex-direction: row !important;
    flex-wrap: nowrap !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch;
    padding: 0 8px !important;
    gap: 0 !important;
    border-top: none !important;
    scrollbar-width: none;
  }
  .user-menu::-webkit-scrollbar { display: none; }
  .sidebar-btn {
    flex: 0 0 auto !important;
    padding: 10px 12px !important;
    font-size: 12px !important;
    gap: 5px !important;
    border-radius: 0 !important;
    border: none !important;
    border-bottom: 2px solid transparent !important;
    background: transparent !important;
    white-space: nowrap;
  }
  .sidebar-btn.active {
    background: transparent !important;
    color: var(--primary) !important;
    border-bottom-color: var(--primary) !important;
    box-shadow: none !important;
  }
  .sidebar-btn svg { width: 14px !important; height: 14px !important; }
  .sidebar-divider { display: none !important; }
  .sidebar-btn-danger { display: none !important; }
  .user-main-col { padding: 14px; gap: 12px; }
}

/* ===== 用户中心表格 ===== */
.uc-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 0 -1px;
}

@media (max-width: 768px) {
  .uc-table th, .uc-table td { padding: 10px 10px; font-size: 12px; }
  .uc-card-header { padding: 12px 14px; flex-wrap: wrap; }
  .uc-card-body { padding: 14px; }
  .uc-tabs { padding: 0 10px; }
  .uc-tab { padding: 10px 10px; font-size: 12px; }
  .uc-mini-stats { gap: 8px; }
  .uc-mini-stat { padding: 12px 8px; min-width: 70px; }
  .uc-mini-stat-num { font-size: 18px; }
}

/* 产品表格移动端卡片化 */
@media (max-width: 640px) {
  /* 隐藏部分不重要的列 */
  .uc-table .col-hide-mobile { display: none; }

  /* 操作按钮换行 */
  .uc-action-link { display: inline-block; margin-bottom: 4px; }
}

/* ===== 市场页面 ===== */
.market-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 20px;
  align-items: start;
}

@media (max-width: 1024px) {
  .market-layout { grid-template-columns: 200px 1fr; }
}

@media (max-width: 768px) {
  .market-layout { grid-template-columns: 1fr; }
  .market-sidebar { display: none; }
  .market-sidebar.show {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 280px;
    z-index: 1200;
    overflow-y: auto;
    background: #fff;
    box-shadow: 4px 0 20px rgba(0,0,0,0.15);
    padding: 16px;
    padding-top: calc(52px + 16px);
  }
  /* 筛选按钮 */
  .market-filter-toggle {
    display: flex !important;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 13px;
    cursor: pointer;
    color: var(--text-secondary);
  }
  .market-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    z-index: 1100;
  }
  .market-overlay.show { display: block; }
  .product-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .market-toolbar { flex-wrap: wrap; gap: 8px; }
  .sort-tabs { flex-wrap: wrap; gap: 4px; }
}

@media (max-width: 480px) {
  .product-grid { grid-template-columns: 1fr; }
}

/* ===== 商品详情页 ===== */
.product-detail-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 20px;
  align-items: start;
}

@media (max-width: 1024px) {
  .product-detail-layout { grid-template-columns: 1fr 280px; }
}

@media (max-width: 768px) {
  .product-detail-layout { grid-template-columns: 1fr; }
  .buy-card {
    position: static !important;
    order: -1; /* 购买卡片在移动端显示在顶部 */
  }
  .detail-card { padding: 14px; }
  .detail-card h2 { font-size: 14px; }
  .spec-table td { font-size: 12px; padding: 6px 0; }
  .buy-price { font-size: 26px; }
}

/* ===== 订单详情页 ===== */
.order-detail-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 20px;
  align-items: start;
}

@media (max-width: 1024px) {
  .order-detail-grid { grid-template-columns: 1fr 320px; }
}

@media (max-width: 768px) {
  .order-detail-grid { grid-template-columns: 1fr; }
  .chat-box {
    position: static !important;
    height: 450px !important;
  }
  /* 订单进度步骤在移动端缩小 */
  .order-steps-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .order-steps-inner { min-width: 360px; }
}

@media (max-width: 480px) {
  .chat-box { height: 380px !important; }
  .chat-input-area textarea { font-size: 16px; } /* 防止iOS自动缩放 */
}

/* ===== 发布商品页 ===== */
@media (max-width: 768px) {
  .relist-form-row { grid-template-columns: 1fr !important; }
  .pub-pricing-row { grid-template-columns: 1fr !important; }
  .relist-preview-specs { grid-template-columns: repeat(2, 1fr) !important; }
}

/* ===== 余额/充值页 ===== */
@media (max-width: 768px) {
  .balance-overview { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .recharge-amounts { grid-template-columns: repeat(3, 1fr); }
  .payment-methods { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .recharge-amounts { grid-template-columns: 1fr 1fr; }
  .payment-methods { grid-template-columns: 1fr; }
  .balance-card-value { font-size: 22px; }
}

/* ===== 对话消息页 ===== */
@media (max-width: 768px) {
  .conv-item { padding: 12px 14px; gap: 10px; }
  .conv-avatar { width: 38px; height: 38px; font-size: 15px; }
  .conv-last { max-width: 180px; }
  /* 移动端始终显示删除按钮（不依赖hover） */
  .conv-delete-btn { opacity: 0.4 !important; }
  .conv-delete-btn:hover { opacity: 1 !important; }
}

/* ===== 个人中心页 ===== */
@media (max-width: 768px) {
  .profile-stats-grid { grid-template-columns: repeat(2, 1fr); }
  .profile-stats-grid .profile-stat-item:nth-child(2n) { border-right: none; }
  .profile-stats-grid .profile-stat-item:nth-child(3n) { border-right: 1px solid #f3f4f6; }
  .profile-actions-grid { grid-template-columns: repeat(3, 1fr); gap: 8px; }
}

@media (max-width: 480px) {
  .profile-avatar-row { flex-direction: column; text-align: center; gap: 10px; }
  .profile-meta { justify-content: center; }
  .profile-actions-grid { grid-template-columns: repeat(2, 1fr); }
  .profile-stats-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ===== 首页 ===== */
@media (max-width: 768px) {
  .hero { padding: 40px 0 0; }
  .hero h1 { font-size: 26px; letter-spacing: -0.5px; }
  .hero p { font-size: 14px; margin-bottom: 20px; }
  .hero-badge { font-size: 11px; padding: 4px 12px; }
  .hero-stats { padding: 14px 16px; max-width: 100%; }
  .hero-stat .num { font-size: 22px; }
  .hero-stat-divider { margin: 0 10px; }
  .features-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .feature-card { padding: 14px; gap: 10px; }
  .product-grid-home { grid-template-columns: 1fr 1fr; gap: 12px; }
  .section-header { flex-direction: column; align-items: flex-start; }
  .section-title { font-size: 16px; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 22px; }
  .hero-tags { gap: 6px; }
  .hero-tag { font-size: 11px; padding: 4px 10px; }
  .hero-stats { flex-direction: column; gap: 10px; }
  .hero-stat-divider { width: 60px; height: 1px; margin: 0; }
  .features-grid { grid-template-columns: 1fr; }
  .product-grid-home { grid-template-columns: 1fr; }
  .btn-view-all { padding: 12px 24px; font-size: 13px; }
}

/* ===== 登录/注册页 ===== */
@media (max-width: 480px) {
  .auth-card { border-radius: 0; border-left: none; border-right: none; }
  .auth-header { padding: 24px 20px 0; }
  .auth-body { padding: 20px; }
  .auth-footer { padding: 0 20px 16px; }
}

/* ===== 页脚 ===== */
@media (max-width: 768px) {
  .footer { padding: 28px 0 16px; margin-top: 32px; }
  .footer-grid { grid-template-columns: 1fr; gap: 16px; }
  .footer-bottom { flex-direction: column; gap: 4px; text-align: center; }
  .footer-brand p { display: none; }
}

/* ===== 移动端底部导航 ===== */
.mobile-bottom-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--border);
  z-index: 999;
  padding: 0 0 env(safe-area-inset-bottom, 0px);
}
.mobile-bottom-nav-inner {
  display: flex;
  justify-content: space-around;
  align-items: center;
}
.mobile-bottom-nav a {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 6px 4px;
  color: var(--text-muted);
  font-size: 10px;
  text-decoration: none;
  transition: color .2s;
  position: relative;
  flex: 1;
  min-width: 0;
  max-width: 72px;
  overflow: hidden;
}
.mobile-bottom-nav a span:not(.nav-icon):not(.nav-badge) {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
  text-align: center;
}
.mobile-bottom-nav a .nav-icon { font-size: 20px; line-height: 1; }
.mobile-bottom-nav a.active, .mobile-bottom-nav a:hover { color: var(--primary); }
.mobile-bottom-nav .nav-badge {
  position: absolute;
  top: 2px;
  right: 6px;
  background: #ef4444;
  color: #fff;
  font-size: 9px;
  font-weight: 700;
  padding: 1px 4px;
  border-radius: 8px;
  min-width: 14px;
  text-align: center;
}

@media (max-width: 768px) {
  .mobile-bottom-nav { display: block; }
  body { padding-bottom: calc(60px + env(safe-area-inset-bottom, 0px)); }
  .footer { margin-bottom: 60px; }
}

/* ===== 市场筛选按钮（移动端显示） ===== */
.market-filter-toggle { display: none; }

/* ===== 通知/公告弹窗 ===== */
@media (max-width: 480px) {
  #noticeModal > div {
    border-radius: 12px 12px 0 0 !important;
    position: fixed !important;
    bottom: 0 !important;
    left: 0 !important;
    right: 0 !important;
    width: 100% !important;
    max-width: 100% !important;
    max-height: 80vh;
    overflow-y: auto;
  }
}

/* ===== 管理后台响应式 ===== */
@media (max-width: 768px) {
  .admin-sidebar {
    position: fixed;
    left: -260px;
    width: 260px;
    top: 0;
    bottom: 0;
    z-index: 1300;
    transition: left .3s ease;
    overflow-y: auto;
    box-shadow: none;
  }
  .admin-sidebar.show {
    left: 0;
    box-shadow: 4px 0 24px rgba(0,0,0,0.15);
  }
  .admin-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 1200;
  }
  .admin-overlay.show { display: block; }
  .admin-main { margin-left: 0 !important; }
  .admin-mobile-toggle { display: flex !important; align-items: center; }
  .admin-content { padding: 14px !important; }
  .admin-topbar { padding: 0 14px !important; }
  .stat-grid { grid-template-columns: repeat(2, 1fr) !important; gap: 10px !important; }
  .form-row { grid-template-columns: 1fr !important; }
  .admin-table { font-size: 12px; }
  .admin-table th, .admin-table td { padding: 8px 8px !important; }
  /* 表格横向滚动 */
  .admin-table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
}

@media (max-width: 480px) {
  .stat-grid { grid-template-columns: 1fr 1fr !important; }
  .admin-content { padding: 10px !important; }
}

/* ===== 表格横向滚动包装器 ===== */
.table-responsive, .uc-table-wrap, .admin-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--radius-sm);
}

/* ===== 通用表单优化 ===== */
@media (max-width: 768px) {
  .form-card { padding: 14px !important; }
  .form-row { grid-template-columns: 1fr !important; }
  input[type="text"],
  input[type="email"],
  input[type="password"],
  input[type="number"],
  input[type="tel"],
  select,
  textarea {
    font-size: 16px !important; /* 防止iOS自动缩放 */
  }
}

/* ===== 收款码页面 ===== */
@media (max-width: 480px) {
  .qrcode-preview img { max-width: 180px !important; }
}

/* ===== 支付页面 ===== */
@media (max-width: 480px) {
  .payment-qrcode-wrap { text-align: center; }
  .payment-qrcode-wrap img { max-width: 200px; }
}

/* ===== 通用工具类 ===== */
@media (max-width: 768px) {
  .hide-mobile { display: none !important; }
  .show-mobile { display: block !important; }
  .text-center-mobile { text-align: center !important; }
}

@media (min-width: 769px) {
  .hide-desktop { display: none !important; }
  .show-desktop { display: block !important; }
}

/* ===== 触摸友好的交互优化 ===== */
@media (max-width: 768px) {
  /* 增大点击区域 */
  .uc-action-link { padding: 5px 10px !important; }
  .sort-tab { padding: 7px 12px !important; }
  .page-item { min-width: 36px !important; height: 36px !important; }
  /* 按钮最小高度 */
  .btn, .uc-btn, .btn-filter, .btn-reset { min-height: 40px; }
  /* 减少hover动画（触摸设备不需要） */
  .product-card:hover { transform: none; }
  .btn-view-all:hover { transform: none; }
}

/* ===== 产品卡片移动端优化 ===== */
@media (max-width: 768px) {
  .card-header { padding: 12px 12px 8px; }
  .card-title { font-size: 13px; }
  .card-body { padding: 10px 12px; }
  .card-footer { padding: 10px 12px; }
  .price-main { font-size: 18px; }
  .spec-grid { grid-template-columns: 1fr 1fr; gap: 4px 8px; }
  .spec-item { font-size: 11px; padding: 3px 6px; }
}

/* ===== 搜索框移动端 ===== */
@media (max-width: 768px) {
  .hero-search-wrap { border-radius: var(--radius); padding: 4px 4px 4px 14px; }
  .hero-search-wrap button { padding: 8px 16px; font-size: 13px; }
}

/* ===== 订单步骤进度条移动端 ===== */
@media (max-width: 480px) {
  .order-steps-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 0 -14px;
    padding: 0 14px;
  }
  .order-steps-inner {
    min-width: 340px;
    padding-bottom: 4px;
  }
}

/* ===== 弹窗移动端适配 ===== */
@media (max-width: 480px) {
  .modal-content {
    width: 95vw !important;
    max-width: 95vw !important;
    margin: 0 auto;
    border-radius: 12px !important;
  }
}

/* ===== 公告栏移动端 ===== */
@media (max-width: 768px) {
  .notice-bar { font-size: 12px; padding: 6px 14px; }
  .notice-inner { font-size: 12px; }
}

/* ===== 用户中心 mini 统计 ===== */
@media (max-width: 480px) {
  .uc-mini-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
  .uc-mini-stat { padding: 10px 6px; min-width: unset; }
  .uc-mini-stat-num { font-size: 16px; }
  .uc-mini-stat-label { font-size: 10px; }
}

/* ===== 安全设置页移动端 ===== */
@media (max-width: 480px) {
  .security-item { padding: 12px 14px; }
  .security-icon { width: 30px; height: 30px; }
  .security-name { font-size: 12px; }
  .security-desc { font-size: 11px; }
}

/* ===== 同步产品页移动端 ===== */
@media (max-width: 768px) {
  .admin-table { min-width: 600px; }
}

/* ===== 滚动条美化 ===== */
.user-menu::-webkit-scrollbar,
.uc-tabs::-webkit-scrollbar,
.chat-messages::-webkit-scrollbar {
  height: 3px;
  width: 3px;
}
.user-menu::-webkit-scrollbar-track,
.uc-tabs::-webkit-scrollbar-track { background: transparent; }
.user-menu::-webkit-scrollbar-thumb,
.uc-tabs::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

/* ===== iOS 安全区域适配 ===== */
@supports (padding-bottom: env(safe-area-inset-bottom)) {
  .mobile-bottom-nav {
    padding-bottom: env(safe-area-inset-bottom);
  }
  body {
    padding-bottom: calc(60px + env(safe-area-inset-bottom));
  }
}