/* ============================================================
   后台管理样式
   ============================================================ */
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: "Microsoft YaHei", Arial, sans-serif; background: #f0f2f5; color: #333; font-size: 14px; }
a { color: #B22222; text-decoration: none; }
a:hover { color: #8B0000; }
img { max-width: 100%; }

/* 登录页 */
.login-wrap { min-height: 100vh; background: linear-gradient(135deg, #8B0000, #B22222, #C9A961); display: flex; align-items: center; justify-content: center; padding: 20px; }
.login-box { background: #fff; padding: 40px; border-radius: 8px; width: 100%; max-width: 420px; box-shadow: 0 20px 60px rgba(0,0,0,.3); }
.login-box h1 { text-align: center; color: #8B0000; margin-bottom: 6px; letter-spacing: 4px; }
.login-box .sub { text-align: center; color: #C9A961; margin-bottom: 30px; letter-spacing: 2px; font-size: 13px; }
.login-box .form-group { margin-bottom: 18px; }
.login-box .form-group label { display: block; margin-bottom: 6px; font-size: 13px; }
.login-box .form-group input { width: 100%; padding: 12px; border: 1px solid #ddd; border-radius: 4px; font-size: 14px; }
.login-box .form-group input:focus { outline: none; border-color: #C9A961; }
.login-box button { width: 100%; padding: 12px; background: #8B0000; color: #fff; border: 0; border-radius: 4px; font-size: 16px; cursor: pointer; }
.login-box button:hover { background: #B22222; }
.login-box .tip { margin-top: 16px; padding: 10px; background: #FFF9E6; border-radius: 4px; font-size: 12px; color: #856404; text-align: center; }
.login-box .err { margin-top: 14px; padding: 10px; background: #f8d7da; color: #721c24; border-radius: 4px; font-size: 13px; text-align: center; }

/* 顶部 */
.admin-layout { display: flex; min-height: 100vh; }
.admin-sidebar { width: 220px; background: linear-gradient(180deg, #2C1810, #1a0f0a); color: #C9A961; flex-shrink: 0; }
.admin-logo { padding: 20px; text-align: center; border-bottom: 1px solid rgba(201,169,97,.2); }
.admin-logo h2 { color: #C9A961; font-size: 18px; letter-spacing: 2px; }
.admin-logo p { color: #8B7355; font-size: 11px; margin-top: 4px; }
.admin-menu { list-style: none; padding: 10px 0; }
.admin-menu li a { display: block; padding: 12px 20px; color: #D4B68A; border-left: 3px solid transparent; }
.admin-menu li a:hover, .admin-menu li a.active { background: rgba(201,169,97,.1); color: #C9A961; border-left-color: #C9A961; }
.admin-menu li a .ico { display: inline-block; width: 20px; }
.admin-menu .group { padding: 14px 20px 6px; font-size: 11px; color: #8B7355; letter-spacing: 1px; text-transform: uppercase; }

.admin-main { flex: 1; min-width: 0; }
.admin-topbar { background: #fff; padding: 12px 20px; display: flex; justify-content: space-between; align-items: center; box-shadow: 0 1px 4px rgba(0,0,0,.05); }
.admin-topbar h1 { font-size: 18px; color: #333; }
.admin-topbar .user { color: #666; font-size: 13px; }
.admin-topbar .user a { margin-left: 14px; }
.admin-content { padding: 20px; }

/* 卡片 */
.card { background: #fff; border-radius: 6px; padding: 20px; box-shadow: 0 1px 4px rgba(0,0,0,.05); margin-bottom: 20px; }
.card-title { font-size: 16px; color: #333; margin-bottom: 16px; padding-bottom: 10px; border-bottom: 1px solid #eee; display: flex; justify-content: space-between; align-items: center; }
.card-title .actions a, .card-title .actions button { display: inline-block; padding: 6px 14px; background: #B22222; color: #fff; border-radius: 3px; font-size: 13px; border: 0; cursor: pointer; margin-left: 8px; }
.card-title .actions a.gold, .card-title .actions button.gold { background: #C9A961; }
.card-title .actions a.gray, .card-title .actions button.gray { background: #6c757d; }
.card-title .actions a:hover, .card-title .actions button:hover { opacity: .85; }

/* 统计卡片 */
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 20px; }
.stat-card { background: #fff; padding: 20px; border-radius: 6px; box-shadow: 0 1px 4px rgba(0,0,0,.05); display: flex; align-items: center; gap: 16px; }
.stat-card .icon { width: 60px; height: 60px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 28px; color: #fff; }
.stat-card .num { font-size: 26px; font-weight: 700; color: #333; }
.stat-card .label { font-size: 13px; color: #999; }
.stat-card.s1 .icon { background: #B22222; }
.stat-card.s2 .icon { background: #C9A961; }
.stat-card.s3 .icon { background: #5cb85c; }
.stat-card.s4 .icon { background: #5bc0de; }

/* 表格 */
table { width: 100%; border-collapse: collapse; background: #fff; }
table th, table td { padding: 12px 14px; text-align: left; border-bottom: 1px solid #eee; font-size: 13px; }
table th { background: #f8f8f8; color: #666; font-weight: 600; }
table tr:hover { background: #FFF9E6; }
table .tag { display: inline-block; padding: 2px 8px; border-radius: 3px; font-size: 11px; }
.tag-on { background: #d4edda; color: #155724; }
.tag-off { background: #f8d7da; color: #721c24; }
.tag-top { background: #B22222; color: #fff; }
.tag-rec { background: #C9A961; color: #fff; }
.tag-pending { background: #fff3cd; color: #856404; }
.tag-replied { background: #d1ecf1; color: #0c5460; }
.op { color: #B22222; margin-right: 10px; }
.op.del { color: #999; }
.op:hover { text-decoration: underline; }

/* 表单 */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-grid .full { grid-column: 1/-1; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; margin-bottom: 6px; font-size: 13px; color: #333; font-weight: 500; }
.form-group label .req { color: #B22222; }
.form-group input[type="text"], .form-group input[type="email"], .form-group input[type="number"], .form-group input[type="password"], .form-group select, .form-group textarea { width: 100%; padding: 9px 12px; border: 1px solid #ddd; border-radius: 4px; font-size: 14px; font-family: inherit; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: #C9A961; }
.form-group textarea { min-height: 320px; resize: vertical; font-family: "Microsoft YaHei", monospace; line-height: 1.6; }
.form-group .check { display: inline-block; margin-right: 18px; font-size: 13px; }
.form-group .check input { margin-right: 4px; vertical-align: middle; }
.btn-row { padding-top: 14px; border-top: 1px solid #eee; margin-top: 14px; }
.btn { display: inline-block; padding: 9px 24px; background: #B22222; color: #fff; border: 0; border-radius: 4px; font-size: 14px; cursor: pointer; }
.btn:hover { background: #8B0000; }
.btn.gold { background: #C9A961; }
.btn.gold:hover { background: #8B6914; }
.btn.gray { background: #999; }
.btn.small { padding: 5px 12px; font-size: 12px; }

/* 工具栏 */
.toolbar { background: #fff; padding: 14px 16px; border-radius: 6px; margin-bottom: 14px; display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.toolbar input, .toolbar select { padding: 7px 12px; border: 1px solid #ddd; border-radius: 3px; font-size: 13px; }
.toolbar input { min-width: 200px; }
.toolbar .spacer { flex: 1; }

/* 分页 */
.pagination { text-align: center; padding: 20px; }
.pagination a { display: inline-block; padding: 6px 12px; margin: 0 3px; border: 1px solid #ddd; background: #fff; border-radius: 3px; color: #666; font-size: 13px; }
.pagination a:hover, .pagination a.active { background: #B22222; color: #fff; border-color: #B22222; }

/* 编辑器简化版（textarea） */
.editor-bar { display: flex; gap: 4px; padding: 6px; background: #f8f8f8; border: 1px solid #ddd; border-bottom: 0; border-radius: 4px 4px 0 0; flex-wrap: wrap; }
.editor-bar button { padding: 4px 10px; background: #fff; border: 1px solid #ddd; border-radius: 3px; cursor: pointer; font-size: 12px; }
.editor-bar button:hover { background: #C9A961; color: #fff; }
.form-group .editor { border-radius: 0 0 4px 4px !important; min-height: 400px; }

/* 上传框 */
.upload-box { border: 2px dashed #ddd; padding: 20px; text-align: center; border-radius: 4px; cursor: pointer; }
.upload-box:hover { border-color: #C9A961; background: #FFF9E6; }
.upload-preview { max-width: 200px; max-height: 200px; margin-top: 10px; border: 1px solid #ddd; border-radius: 4px; }

/* 消息提示 */
.flash { padding: 12px 16px; border-radius: 4px; margin-bottom: 16px; }
.flash-success { background: #d4edda; color: #155724; }
.flash-error { background: #f8d7da; color: #721c24; }

/* 响应式 */
@media (max-width: 768px) {
  .admin-sidebar { width: 60px; }
  .admin-menu li a span:not(.ico) { display: none; }
  .admin-menu .group { display: none; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .form-grid { grid-template-columns: 1fr; }
}