/* ===== Common Components ===== */

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 5px 16px; font-size: 14px; border-radius: var(--border-radius); transition: all var(--transition-fast); white-space: nowrap; line-height: 1.5; }
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-hover); }
.btn-primary:active { background: var(--color-primary-active); }
.btn-success { background: var(--color-success); color: #fff; }
.btn-success:hover { filter: brightness(1.1); }
.btn-warning { background: var(--color-warning); color: #fff; }
.btn-warning:hover { filter: brightness(1.1); }
.btn-danger { background: var(--color-error); color: #fff; }
.btn-danger:hover { filter: brightness(1.1); }
.btn-default { background: #fff; color: var(--text-primary); border: 1px solid var(--border-color); }
.btn-default:hover { color: var(--color-primary); border-color: var(--color-primary); }
.btn-secondary { background: var(--bg-secondary); color: var(--text-primary); border: 1px solid var(--border-color); }
.btn-secondary:hover { background: var(--bg-hover); }
.btn-secondary:active { background: var(--bg-active); }
.btn-link { color: var(--color-primary); padding: 0; }
.btn-link:hover { text-decoration: underline; }
.btn-sm { padding: 2px 10px; font-size: 12px; }
.btn-lg { padding: 8px 24px; font-size: 16px; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* Inputs */
.input { display: block; width: 100%; padding: 5px 12px; border: 1px solid var(--border-color); border-radius: var(--border-radius); font-size: 14px; line-height: 1.5; transition: border-color var(--transition-fast); background: #fff; }
.input:focus { border-color: var(--color-primary); box-shadow: 0 0 0 2px rgba(22,119,255,0.15); }
.input::placeholder { color: var(--text-disabled); }
.input-sm { padding: 2px 8px; font-size: 12px; }
.input-lg { padding: 8px 16px; font-size: 16px; }

select.input { appearance: auto; }

/* Tables */
.table-wrap { overflow-x: auto; border-radius: var(--border-radius-lg); border: 1px solid var(--border-light); }
table.data-table { width: 100%; background: #fff; }
table.data-table th { background: #fafafa; padding: 10px 8px; text-align: left; font-weight: 600; font-size: 13px; color: var(--text-secondary); border-bottom: 1px solid var(--border-light); white-space: nowrap; }
table.data-table td { padding: 10px 8px; border-bottom: 1px solid var(--border-light); font-size: 14px; }
table.data-table tr:last-child td { border-bottom: none; }
table.data-table tr:hover td { background: #fafafa; }
/* SKU 子行：不继承表格行的 hover 背景，保持干净 */
table.data-table tr.sku-sub-row:hover td { background: transparent; }
table.data-table tr.sku-sub-row td { padding: 2px 16px; border-bottom: none; }
table.data-table tr.sku-sub-row + tr.sku-sub-row td { padding-top: 0; }
.sku-sub-row .sku-inline-table:hover { background: #eef3f7 !important; }

/* Status tags */
.tag { display: inline-block; padding: 1px 8px; border-radius: 4px; font-size: 12px; line-height: 1.5; }
.tag-success { background: #f6ffed; color: #52c41a; border: 1px solid #b7eb8f; }
.tag-error { background: #fff2f0; color: #ff4d4f; border: 1px solid #ffccc7; }
.tag-warning { background: #fffbe6; color: #faad14; border: 1px solid #ffe58f; }
.tag-info { background: #e6f4ff; color: #1677ff; border: 1px solid #91caff; }
.tag-default { background: #f5f5f5; color: #666; border: 1px solid #d9d9d9; }
.tag-purple { background: #f9f0ff; color: #722ed1; border: 1px solid #d3adf7; }
.tag-danger { background: #fff2f0; color: #cf1322; border: 1px solid #ffa39e; }

/* Pagination */
.pagination { display: flex; align-items: center; justify-content: center; gap: 4px; margin-top: var(--spacing-md); padding: var(--spacing-md) 0; }
.pagination button { min-width: 32px; height: 32px; padding: 0 8px; border: 1px solid var(--border-color); border-radius: var(--border-radius); background: #fff; color: var(--text-primary); font-size: 13px; }
.pagination button:hover:not(:disabled):not(.btn-primary) { color: var(--color-primary); border-color: var(--color-primary); }
.pagination button.btn-primary { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.pagination button.btn-primary:hover { background: var(--color-primary-hover); }
.pagination button:disabled { color: var(--text-disabled); border-color: var(--border-color); cursor: not-allowed; }
.pagination .page-info { padding: 0 8px; color: var(--text-secondary); font-size: 13px; }

/* Search bar */
.search-bar { display: flex; gap: var(--spacing-sm); align-items: center; flex-wrap: wrap; margin-bottom: var(--spacing-md); }
.search-bar .input { width: 200px; }
.search-bar .search-btn { min-width: 72px; }

.tag-filter-btn {
  padding: 2px 12px;
  font-size: 12px;
  line-height: 22px;
  border: 1px solid var(--border-color, #d9d9d9);
  border-radius: 14px;
  background: #fff;
  color: var(--text-secondary, #666);
  cursor: pointer;
  transition: all 0.15s;
  outline: none;
  white-space: nowrap;
}
.tag-filter-btn:hover {
  border-color: var(--color-primary, #1a6dff);
  color: var(--color-primary, #1a6dff);
}
.tag-filter-btn.active {
  border-color: var(--color-primary, #1a6dff);
  background: var(--color-primary, #1a6dff);
  color: #fff;
}

/* Modal / Overlay */
.modal-overlay { display: none; position: fixed; inset: 0; background: var(--bg-mask); z-index: 1000; justify-content: center; align-items: center; }
.modal-overlay.show { display: flex; }
.modal { background: #fff; border-radius: var(--border-radius-lg); box-shadow: var(--shadow-lg); width: 520px; max-width: 90vw; max-height: 80vh; overflow-y: auto; }
.modal-header { display: flex; align-items: center; justify-content: space-between; padding: var(--spacing-md) var(--spacing-lg); border-bottom: 1px solid var(--border-light); }
.modal-header h3 { font-size: 16px; font-weight: 600; }
.modal-close { font-size: 20px; color: var(--text-tertiary); cursor: pointer; }
.modal-close:hover { color: var(--text-primary); }
.modal-body { padding: var(--spacing-lg); }
.modal-footer { display: flex; justify-content: flex-end; gap: var(--spacing-sm); padding: var(--spacing-md) var(--spacing-lg); border-top: 1px solid var(--border-light); }

/* Form */
.form-group { margin-bottom: var(--spacing-md); }
.form-actions { display: flex; justify-content: flex-end; gap: var(--spacing-sm); padding: var(--spacing-md) var(--spacing-lg); }
.form-group label { 
  display: block; 
  margin-bottom: 6px; 
  font-weight: 500; 
  font-size: 14px; 
  text-align: left;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  box-sizing: border-box;
}
.form-group input[type=checkbox] {
  width: auto;
}
.form-row { 
  display: flex; 
  gap: var(--spacing-lg); 
  align-items: flex-start;
}
.form-row > * { 
  flex: 1; 
  min-width: 0;
}
.form-row .form-group {
  flex-basis: 0;
  flex-grow: 1;
  margin-bottom: var(--spacing-md);
}

/* Card */
.card { background: #fff; border-radius: var(--border-radius-lg); padding: var(--spacing-lg); box-shadow: var(--shadow-sm); }
.card-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--spacing-md); padding-bottom: var(--spacing-md); border-bottom: 1px solid var(--border-light); }
.card-header h2 { font-size: 16px; font-weight: 600; }

/* Empty state */
.empty-state { text-align: center; padding: 60px 20px; color: var(--text-tertiary); }
.empty-state .icon { font-size: 48px; margin-bottom: var(--spacing-md); }
.empty-state p { font-size: 14px; }

/* Loading */
.loading { display: flex; align-items: center; justify-content: center; padding: 60px 0; color: var(--text-tertiary); }
.spinner { display: inline-block; width: 24px; height: 24px; border: 2px solid var(--border-color); border-top-color: var(--color-primary); border-radius: 50%; animation: spin 0.6s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Toast notification */
.toast { position: fixed; top: 20px; left: 50%; transform: translateX(-50%); z-index: 2000; padding: 10px 24px; border-radius: var(--border-radius); font-size: 14px; box-shadow: var(--shadow-lg); transition: opacity 0.3s, transform 0.3s; opacity: 0; pointer-events: none; }
.toast.show { opacity: 1; pointer-events: auto; }
.toast-success { background: #f6ffed; color: #52c41a; border: 1px solid #b7eb8f; }
.toast-error { background: #fff2f0; color: #ff4d4f; border: 1px solid #ffccc7; }
.toast-warning { background: #fffbe6; color: #faad14; border: 1px solid #ffe58f; }
.toast-info { background: #e6f4ff; color: #1677ff; border: 1px solid #91caff; }

/* Confirm dialog */
.confirm-overlay { position: fixed; inset: 0; background: var(--bg-mask); z-index: 1500; display: none; justify-content: center; align-items: center; }
.confirm-overlay.show { display: flex; }
.confirm-box { background: #fff; border-radius: var(--border-radius-lg); box-shadow: var(--shadow-lg); width: 400px; max-width: 90vw; padding: var(--spacing-lg); }
.confirm-box h3 { margin-bottom: var(--spacing-sm); font-size: 16px; }
.confirm-box p { color: var(--text-secondary); margin-bottom: var(--spacing-lg); font-size: 14px; }
.confirm-actions { display: flex; justify-content: flex-end; gap: var(--spacing-sm); }

/* Image preview */
.img-thumb { width: 48px; height: 48px; object-fit: cover; border-radius: 4px; border: 1px solid var(--border-light); cursor: pointer; }
.img-thumb-lg { width: 80px; height: 80px; }

/* Order status tabs */
.order-status-tabs { display: flex; gap: 0; margin-bottom: var(--spacing-md); flex-wrap: wrap; border-bottom: 1px solid var(--border-light); }
.order-status-tab { display: inline-block; padding: 8px 16px; font-size: 14px; cursor: pointer; color: var(--text-secondary); border-bottom: 2px solid transparent; transition: all var(--transition-fast); user-select: none; }
.order-status-tab:hover { color: var(--color-primary); }
.order-status-tab.active { color: var(--color-primary); border-bottom-color: var(--color-primary); font-weight: 600; }

/* Utilities */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-danger { color: var(--color-error); }
.text-success { color: var(--color-success); }
.text-muted { color: var(--text-secondary); }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: 8px; }
.gap-md { gap: 16px; }
.mt-sm { margin-top: 8px; }
.mt-md { margin-top: 16px; }
.mt-lg { margin-top: 24px; }
.mb-sm { margin-bottom: 8px; }
.mb-md { margin-bottom: 16px; }
.ml-sm { margin-left: 8px; }
.mr-sm { margin-right: 8px; }
.p-md { padding: 16px; }
.hidden { display: none; }
.w-full { width: 100%; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ===== 客服页面 ===== */
.service-layout {
  flex: 1;
  display: flex;
  height: calc(100vh - var(--header-height));
  overflow: hidden;
}

/* ── 左侧会话列表 ── */
.service-sidebar {
  width: 320px;
  min-width: 320px;
  background: #fff;
  border-right: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
}
.service-sidebar-header {
  padding: 12px;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  gap: 8px;
  align-items: center;
}
.service-search { flex: 1; }
.service-search-input {
  width: 100%;
  padding: 6px 10px;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-size: 13px;
  outline: none;
}
.service-search-input:focus { border-color: var(--color-primary); }
.service-filter-label {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 13px;
  color: var(--text-secondary);
  white-space: nowrap;
  cursor: pointer;
}

.service-conversations {
  flex: 1;
  overflow-y: auto;
}
.service-conv-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px;
  cursor: pointer;
  border-bottom: 1px solid #f5f5f5;
  transition: background 0.15s;
}
.service-conv-item:hover { background: #f8f9ff; }
.service-conv-item.active { background: #eef1ff; }
.service-conv-item.has-unread { background: #f0f7ff; }

.service-conv-avatar {
  width: 40px;
  height: 40px;
  min-width: 40px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 600;
  overflow: hidden;
}
.service-conv-avatar img { width: 100%; height: 100%; object-fit: cover; }

.service-conv-info { flex: 1; min-width: 0; }
.service-conv-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4px;
}
.service-conv-name {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.service-conv-time { font-size: 11px; color: var(--text-tertiary); white-space: nowrap; }
.service-conv-preview {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  color: var(--text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.service-unread-dot {
  width: 8px;
  height: 8px;
  min-width: 8px;
  border-radius: 50%;
  background: var(--color-primary);
  display: inline-block;
}

/* ── 右侧聊天区域 ── */
.service-chat {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: #f8f9fb;
  min-height: 0;      /* 允许子项收缩，使消息区内部滚动而非撑开整页 */
  min-width: 0;
  overflow: hidden;
}
.service-chat-empty {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--text-tertiary);
  font-size: 14px;
}
.service-chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: #fff;
  border-bottom: 1px solid var(--border-light);
  flex-shrink: 0;     /* 顶部用户信息区固定，不随消息增多被压缩 */
}
.service-chat-user { display: flex; align-items: center; gap: 10px; }
.service-chat-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 600;
  overflow: hidden;
}
.service-chat-avatar img { width: 100%; height: 100%; object-fit: cover; }
.service-chat-name { font-size: 15px; font-weight: 500; }
.service-chat-sub { font-size: 12px; color: var(--text-secondary); }

/* ── 消息列表 ── */
.service-messages {
  flex: 1 1 0;
  min-height: 0;      /* 关键：配合父级使消息区限高、内部滚动 */
  overflow-y: auto;
  padding: 16px;
}
.service-msg-row { margin-bottom: 16px; }
.service-msg-left { text-align: left; }
.service-msg-right { text-align: right; }
.service-msg-sender { font-size: 11px; color: var(--text-tertiary); margin-bottom: 4px; }

.service-topic-badge {
  display: inline-block;
  font-size: 11px;
  padding: 2px 8px;
  background: #eef1ff;
  color: var(--color-primary);
  border-radius: 4px;
  cursor: pointer;
  margin-bottom: 4px;
}
.service-topic-badge:hover { background: #dce1ff; }

.service-bubble-customer,
.service-bubble-staff {
  display: inline-block;
  max-width: 70%;
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 14px;
  line-height: 1.5;
  word-break: break-word;
}
.service-bubble-customer {
  background: #fff;
  border: 1px solid #e0e0e0;
  color: var(--text-primary);
  text-align: left;
  border-bottom-left-radius: 4px;
}
.service-bubble-staff {
  background: var(--color-primary);
  color: #fff;
  text-align: left;
  border-bottom-right-radius: 4px;
}
.service-msg-text { white-space: pre-wrap; }
.service-msg-text br { content: ''; display: block; margin: 4px 0; }

/* 媒体消息 */
.service-media-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 6px;
}
.service-media-img {
  max-width: 200px;
  max-height: 200px;
  border-radius: 8px;
  cursor: pointer;
  object-fit: cover;
}
.service-media-video {
  max-width: 280px;
  max-height: 200px;
  border-radius: 8px;
}

/* ── 输入框 ── */
.service-input-area {
  padding: 12px 16px;
  background: #fff;
  border-top: 1px solid var(--border-light);
  flex-shrink: 0;     /* 输入区固定在底部，始终可见 */
}
.service-input-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}
.service-input-row {
  display: flex;
  gap: 8px;
  align-items: flex-end;
}
.service-input {
  flex: 1;
  padding: 8px 12px;
  border: 1px solid #ddd;
  border-radius: 8px;
  font-size: 14px;
  resize: none;
  outline: none;
  font-family: inherit;
  line-height: 1.5;
}
.service-input:focus { border-color: var(--color-primary); }
.service-send-btn {
  height: fit-content;
  padding: 8px 24px;
  border-radius: 8px;
}

/* ── 历史会话抽屉（右侧滑出，内部滚动） ── */
.svc-drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.35);
  z-index: 9990;
  opacity: 0;
  transition: opacity 0.2s;
}
.svc-drawer-overlay.open { opacity: 1; }
.svc-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 480px;
  max-width: 92vw;
  background: #fff;
  z-index: 9991;
  display: flex;
  flex-direction: column;
  box-shadow: -4px 0 24px rgba(0, 0, 0, 0.12);
  transform: translateX(100%);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}
.svc-drawer.open { transform: translateX(0); }
.svc-drawer.wide { width: 720px; }   /* 会话详情更宽，便于阅读消息 */
.svc-drawer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-light);
  flex-shrink: 0;       /* 标题栏固定 */
}
.svc-drawer-head h3 { margin: 0; font-size: 16px; font-weight: 600; }
.svc-drawer-close {
  cursor: pointer;
  border: none;
  background: transparent;
  font-size: 22px;
  line-height: 1;
  color: #999;
  padding: 2px 6px;
}
.svc-drawer-close:hover { color: #333; }
.svc-drawer-body {
  flex: 1 1 0;
  min-height: 0;        /* 关键：内容多时抽屉内部滚动 */
  overflow-y: auto;
  padding: 16px 20px 24px;
}
.svc-history-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 14px;
  border: 1px solid var(--border-light);
  border-radius: 8px;
  margin-bottom: 8px;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}
.svc-history-item:hover { background: #f8f9ff; border-color: var(--color-primary); }

/* ===== 富文本编辑器（contenteditable） ===== */
.rich-editor-wrapper {
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  overflow: hidden;
}
.rich-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 2px;
  padding: 4px 6px;
  background: #f8f9fa;
  border-bottom: 1px solid var(--border-color);
  font-size: 13px;
  user-select: none;
}
.rich-toolbar button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 28px;
  height: 28px;
  padding: 0 4px;
  border: none;
  background: transparent;
  border-radius: 3px;
  cursor: pointer;
  font-size: 13px;
  color: #333;
  transition: background 0.12s;
}
.rich-toolbar button:hover { background: #e8eaed; }
.rich-toolbar button:active { background: #dadce0; }
.rich-toolbar .sep {
  display: inline-block;
  width: 1px;
  height: 18px;
  background: var(--border-color);
  margin: 0 4px;
}
.rich-toolbar .rich-select {
  height: 26px;
  font-size: 12px;
  border: 1px solid transparent;
  border-radius: 3px;
  background: transparent;
  cursor: pointer;
  outline: none;
}
.rich-toolbar .rich-select:hover { border-color: #dadce0; }
.rich-toolbar .rich-color {
  width: 24px;
  height: 24px;
  padding: 0;
  border: none;
  cursor: pointer;
  background: transparent;
}
.rich-editor {
  padding: 12px 16px;
  outline: none;
  overflow-y: auto;
  line-height: 1.7;
  background: #fff;
}
.rich-editor:focus { border-color: var(--color-primary); }
.rich-editor img { max-width: 100%; height: auto; display: block; margin: 8px 0; }
.rich-editor video { max-width: 100%; height: auto; display: block; margin: 8px 0; }
.rich-editor table { border-collapse: collapse; width: 100%; margin: 8px 0; }
.rich-editor table td { border: 1px solid #ccc; padding: 6px; min-width: 40px; }
.rich-editor ul, .rich-editor ol { padding-left: 24px; margin: 6px 0; }

/* ===== 可展开行三角形 ===== */
.toggle-row { cursor: pointer; user-select: none; padding: 2px 4px; border-radius: 3px; }
.toggle-row:hover { background: var(--bg-hover); }
.clickable { cursor: pointer; }
.clickable:hover { background: var(--bg-hover); }

/* ===== 弹窗尺寸变体 ===== */
.modal-form { max-width: 792px !important; }
.modal-lg { width: 990px !important; max-width: 95vw !important; max-height: 90vh !important; }

/* ===== 表单分区 ===== */
.form-section { margin-bottom: 10px; }

/* ===== 行内编辑输入框 ===== */
.inplace-input { width: 100px; padding: 4px 8px !important; height: auto !important; }

/* 库存弹窗兼容：form-control 和 input 样式一致 */
.form-control { display: block; width: 100%; padding: 5px 12px; border: 1px solid var(--border-color); border-radius: var(--border-radius); font-size: 14px; line-height: 1.5; transition: border-color var(--transition-fast); background: #fff; }
.form-control:focus { border-color: var(--color-primary); box-shadow: 0 0 0 2px rgba(22,119,255,0.15); }
.form-control::placeholder { color: var(--text-disabled); }

/* 积分配置页 — 两列布局 */
.config-table { max-width: 520px; }
.config-row { display: flex; align-items: center; padding: 10px 0; border-bottom: 1px solid var(--border-light, #f0f0f0); }
.config-row:last-child { border-bottom: none; }
.config-label { flex: 0 0 200px; font-size: 14px; color: var(--text-primary); }
.config-value { display: flex; align-items: center; gap: 8px; }
.config-unit { font-size: 13px; color: var(--text-secondary); white-space: nowrap; }
.config-divider { height: 1px; background: var(--border-color, #d9d9d9); margin: 24px 0; }
select.form-control { appearance: auto; }
textarea.form-control { resize: vertical; }