/* ======== 基础重置 ======== */
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: #f5f6fa;
  color: #2d3436;
  line-height: 1.6;
}
a { color: #2d7af0; text-decoration: none; }
a:hover { text-decoration: underline; }

:root {
  --primary: #2d7af0;
  --primary-dark: #1a5fcc;
  --success: #00b894;
  --warning: #fdcb6e;
  --danger: #e74c3c;
  --bg: #f5f6fa;
  --card: #ffffff;
  --border: #e9ecf0;
  --text: #2d3436;
  --text-light: #636e72;
  --radius: 12px;
  --shadow: 0 2px 12px rgba(0,0,0,0.06);
}

/* ======== 头部 ======== */
.header {
  background: linear-gradient(135deg, #2d7af0 0%, #1a5fcc 100%);
  color: #fff;
  padding: 8px 20px 6px;
  text-align: center;
}
.header h1 { font-size: 20px; font-weight: 700; letter-spacing: 2px; }
.header p { margin-top: 1px; font-size: 12px; opacity: 0.85; }

/* ======== 容器 ======== */
.container {
  max-width: 1400px;
  margin: 20px auto 48px;
  padding: 0 16px;
  position: relative;
  z-index: 1;
}

/* ======== Tab ======== */
.tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 0;
}
.tab-btn {
  padding: 10px 28px;
  border: none;
  background: #e8ecf2;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-light);
  cursor: pointer;
  border-radius: 8px 8px 0 0;
  transition: all 0.2s;
  position: relative;
}
.tab-btn:hover { color: var(--primary); background: #dce4ef; }
.tab-btn.active {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 -2px 8px rgba(45,122,240,0.3);
}
.tab-btn .count {
  display: inline-block;
  background: var(--border);
  color: var(--text-light);
  font-size: 12px;
  padding: 1px 8px;
  border-radius: 10px;
  margin-left: 6px;
}
.tab-btn.active .count {
  background: rgba(255,255,255,0.25);
  color: #fff;
}

/* ======== 搜索栏 ======== */
.search-bar {
  background: var(--card);
  border-radius: 0 0 var(--radius) var(--radius);
  box-shadow: var(--shadow);
  padding: 12px 20px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.search-box {
  flex: 1;
  position: relative;
}
.search-box input {
  width: 100%;
  padding: 9px 16px 9px 38px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
}
.search-box input:focus { border-color: var(--primary); }
.search-box .icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: #b2bec3;
  font-size: 15px;
}
.result-count {
  font-size: 13px;
  color: var(--text-light);
  white-space: nowrap;
}

/* ======== 表格 ======== */
.table-wrap {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: visible;
}
.table-scroll {
  overflow: visible;
}
table {
  width: 100%;
  border-collapse: collapse;
  min-width: 800px;
}
thead { background: #f8f9fb; border-radius: var(--radius) var(--radius) 0 0; }
th {
  padding: 0;
  text-align: left;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-light);
  border-bottom: 2px solid var(--border);
  white-space: nowrap;
  position: relative;
  user-select: none;
}
.th-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  cursor: pointer;
  gap: 4px;
}
.th-content:hover { color: var(--primary); }
.th-label { flex: 1; }
.filter-icon {
  font-size: 12px;
  color: #b2bec3;
  transition: color 0.2s;
}
.th-content:hover .filter-icon { color: var(--primary); }
th.filtered .th-content { color: var(--primary); }
th.filtered .filter-icon { color: var(--primary); }

td {
  padding: 12px 16px;
  font-size: 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
tbody tr { transition: background 0.15s; }
tbody tr:hover { background: #f8f9ff; }
tbody tr:last-child td { border-bottom: none; }

/* ======== 筛选下拉 ======== */
.filter-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
  z-index: 100;
  min-width: 200px;
  max-height: 320px;
  overflow-y: auto;
  display: none;
}
.filter-dropdown.show { display: block; }
/* 最后一列下拉框向左展开，避免被截断 */
th:last-child .filter-dropdown {
  left: auto;
  right: 0;
}
.filter-search {
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
}
.filter-search input {
  width: 100%;
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
  outline: none;
}
.filter-search input:focus { border-color: var(--primary); }
.filter-options { padding: 4px 0; }
.filter-option {
  display: flex;
  align-items: center;
  padding: 6px 12px;
  cursor: pointer;
  font-size: 13px;
  color: var(--text);
  transition: background 0.1s;
}
.filter-option:hover { background: #f0f4ff; }
.filter-option input { margin-right: 8px; }
.filter-actions {
  display: flex;
  justify-content: space-between;
  padding: 8px 12px;
  border-top: 1px solid var(--border);
  background: #fafbfc;
  border-radius: 0 0 8px 8px;
}
.filter-actions button {
  border: none;
  background: transparent;
  font-size: 13px;
  cursor: pointer;
  color: var(--text-light);
}
.filter-actions button:hover { color: var(--primary); }
.filter-actions .clear:hover { color: var(--danger); }

/* ======== 标签 ======== */
.tag {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}
.tag-first { background: #ffeaa7; color: #b7791f; }
.tag-reprint { background: #dfe6e9; color: #636e72; }
.tag-blue-v { background: #dfe6ff; color: #2d52cc; }
.tag-yellow-v { background: #fff3cd; color: #856404; }
.tag-red-v { background: #fde8e8; color: #c0392b; }
.tag-amateur { background: #f0f0f0; color: #888; }

/* ======== 推荐标 ======== */
.recommend-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  background: #e74c3c;
  color: #fff;
  border-radius: 50%;
  font-size: 11px;
  font-weight: 700;
  margin-left: 6px;
  vertical-align: middle;
  box-shadow: 0 1px 3px rgba(231,76,60,0.4);
}

/* ======== 价格 ======== */
.price { font-weight: 700; color: #e74c3c; font-size: 15px; }
.price::before { content: '\FFE5'; font-size: 12px; }

/* ======== 链接 ======== */
.link-cell { color: var(--primary); font-size: 13px; }
.cell-ellipsis {
  max-width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.cell-muted { color: #ccc; }

/* ======== 排序下拉 ======== */
.sort-options { padding: 4px 0; }

/* ======== 空状态 ======== */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-light);
}

/* ======== 分页 ======== */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 4px;
  margin-top: 20px;
  padding: 12px;
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.page-btn {
  min-width: 36px;
  height: 36px;
  padding: 0 10px;
  border: 1px solid var(--border);
  background: var(--card);
  border-radius: 6px;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}
.page-btn:hover:not(.active):not(:disabled) {
  border-color: var(--primary);
  color: var(--primary);
}
.page-btn.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.page-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}
.page-dots {
  padding: 0 8px;
  color: var(--text-light);
}

/* ======== 页脚 ======== */
.footer {
  text-align: center;
  padding: 24px 20px;
  font-size: 13px;
  color: var(--text-light);
}
.admin-entry {
  display: inline-block;
  margin-top: 6px;
  font-size: 12px;
  color: #b2bec3;
  text-decoration: none;
  transition: color 0.2s;
}
.admin-entry:hover { color: var(--text-light); }

/* ======== 响应式 ======== */
@media (max-width: 768px) {
  .header { padding: 6px 16px 4px; }
  .header h1 { font-size: 17px; }
  .container { padding: 0 12px; margin-top: 16px; }
  .tab-btn { padding: 8px 18px; font-size: 14px; }
  .search-bar { padding: 10px 12px; }
  th .th-content, td { padding: 10px 12px; font-size: 13px; }
}

/* ======================================== */
/* ============ 后台管理页面 ============ */
/* ======================================== */
.admin-header {
  background: #2d3436;
  color: #fff;
  padding: 14px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.admin-header h1 { font-size: 18px; font-weight: 600; }
.admin-header .actions { display: flex; gap: 12px; align-items: center; }
.btn {
  padding: 8px 20px;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.1s;
  font-weight: 500;
}
.btn:active { transform: scale(0.97); }
.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: #c0392b; }
.btn-ghost { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,0.3); }
.btn-ghost:hover { background: rgba(255,255,255,0.1); }
.btn-light { background: #f0f0f0; color: var(--text); }
.btn-light:hover { background: #e0e0e0; }
.btn-sm { padding: 5px 12px; font-size: 12px; }

.admin-container {
  max-width: 1400px;
  margin: 24px auto;
  padding: 0 20px;
}

/* 登录 */
.login-wrap {
  max-width: 360px;
  margin: 80px auto;
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 40px 32px;
  text-align: center;
}
.login-wrap h2 { margin-bottom: 24px; font-size: 20px; }
.login-wrap input {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  margin-bottom: 16px;
  outline: none;
}
.login-wrap input:focus { border-color: var(--primary); }
.login-wrap .btn { width: 100%; }
.login-error { color: var(--danger); font-size: 13px; margin-bottom: 12px; display: none; }

/* 类型切换 */
.type-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
}
.type-tab {
  flex: 1;
  padding: 10px;
  border: 2px solid var(--border);
  border-radius: 8px;
  background: #fff;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  text-align: center;
  color: var(--text-light);
  transition: all 0.2s;
}
.type-tab.active {
  border-color: var(--primary);
  color: var(--primary);
  background: #f0f6ff;
}

/* 表单 */
.form-card {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px 32px;
  margin-bottom: 24px;
}
.form-card h3 {
  font-size: 16px;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--border);
}
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px 20px;
}
.form-group { display: flex; flex-direction: column; }
.form-group.full { grid-column: 1 / -1; }
.form-group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-light);
  margin-bottom: 6px;
}
.form-group label .req { color: var(--danger); margin-left: 2px; }
.form-group input,
.form-group select,
.form-group textarea {
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
  font-family: inherit;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--primary); }
.form-group textarea { resize: vertical; min-height: 60px; }
.form-actions {
  margin-top: 20px;
  display: flex;
  gap: 12px;
  justify-content: flex-end;
}

/* 管理表格 */
.admin-table-wrap {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  margin-bottom: 24px;
}
.admin-table-wrap h3 {
  font-size: 16px;
  padding: 20px 32px 12px;
  border-bottom: 2px solid var(--border);
}
.admin-table-wrap .table-scroll { overflow-x: auto; }
.action-btns { display: flex; gap: 8px; }

@media (max-width: 768px) {
  .form-grid { grid-template-columns: 1fr; }
  .admin-container { padding: 0 12px; }
  .admin-header { padding: 12px 16px; }
  .form-card { padding: 20px; }
}

/* ======== 导入弹窗 ======== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}
.modal-content {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: 0 8px 32px rgba(0,0,0,0.15);
  max-width: 600px;
  width: 90%;
  max-height: 80vh;
  overflow: hidden;
}
.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}
.modal-header h3 { font-size: 16px; }
.modal-close {
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--text-light);
  line-height: 1;
}
.modal-close:hover { color: var(--text); }
.modal-body {
  padding: 20px;
  max-height: 50vh;
  overflow-y: auto;
}
.modal-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

/* 导入提示 */
.import-tips {
  background: #f8f9ff;
  padding: 16px;
  border-radius: 8px;
  margin-bottom: 16px;
}
.import-tips h4 { font-size: 14px; margin-bottom: 8px; }
.import-tips p { font-size: 13px; color: var(--text-light); margin-bottom: 4px; }
.import-tips .tip { color: var(--danger); font-weight: 500; }

/* 上传区域 */
.upload-area {
  border: 2px dashed var(--border);
  border-radius: 8px;
  padding: 32px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}
.upload-area:hover {
  border-color: var(--primary);
  background: #f8f9ff;
}
.upload-icon { font-size: 40px; margin-bottom: 8px; }
.upload-text { font-size: 14px; color: var(--text-light); }

/* 预览区域 */
.preview-section {
  margin-top: 16px;
}
.preview-section h4 { font-size: 14px; margin-bottom: 8px; }
.preview-table-wrap {
  max-height: 200px;
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
}
.preview-table-wrap table { width: 100%; }
.preview-table-wrap th,
.preview-table-wrap td {
  padding: 6px 10px;
  font-size: 12px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.preview-table-wrap th {
  background: #f8f9ff;
  font-weight: 600;
}
#importStats {
  font-size: 13px;
  color: var(--text-light);
  margin-top: 8px;
}

/* 按钮样式扩展 */
.btn-success {
  background: var(--success);
  color: #fff;
}
.btn-success:hover {
  background: #00a080;
}
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}