/* 明快蓝 UI 基础样式（PC 后台 + 移动端共用变量） */
:root {
  --primary: #1B6BE3;
  --primary-light: #DBEAFD;
  --text-main: #1A2330;
  --text-body: #3F4750;
  --text-sub: #6F7883;
  --text-weak: #A0A8B3;
  --border: #E3E8EF;
  --accent: #F09C22;
  --bg: #f4f6fa;
  --white: #ffffff;
  --success: #22a06b;
  --danger: #e34d4d;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Helvetica Neue", Arial, sans-serif; color: var(--text-body); background: var(--bg); font-size: 14px; }

/* 布局 */
.layout { display: flex; min-height: 100vh; }
.sidebar { width: 220px; background: var(--text-main); color: #fff; flex: none; position: fixed; top: 0; bottom: 0; left: 0; overflow-y: auto; }
.sidebar .logo { padding: 20px; font-size: 17px; font-weight: 700; border-bottom: 1px solid rgba(255,255,255,.08); }
.sidebar .logo span { color: var(--primary); }
.sidebar nav a { display: block; padding: 12px 20px; color: rgba(255,255,255,.75); text-decoration: none; font-size: 14px; }
.sidebar nav a.on, .sidebar nav a:hover { background: rgba(27,107,227,.25); color: #fff; }
.main { flex: 1; margin-left: 220px; padding: 24px; min-width: 0; }
.topbar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.topbar h1 { font-size: 20px; color: var(--text-main); margin: 0; }
.topbar .who { color: var(--text-sub); font-size: 13px; }
.topbar .who a { color: var(--primary); text-decoration: none; margin-left: 12px; cursor: pointer; }

/* 卡片 */
.card { background: var(--white); border-radius: 10px; padding: 20px; margin-bottom: 16px; border: 1px solid var(--border); }
.card h3 { margin: 0 0 14px; font-size: 15px; color: var(--text-main); }

/* 表格 */
.tbl { width: 100%; border-collapse: collapse; font-size: 13px; }
.tbl th { text-align: left; padding: 10px 12px; background: #fafbfd; color: var(--text-sub); font-weight: 600; border-bottom: 1px solid var(--border); white-space: nowrap; }
.tbl td { padding: 10px 12px; border-bottom: 1px solid var(--border); color: var(--text-body); }
.tbl tr:hover td { background: #fafbfd; }
.tbl .ops a { color: var(--primary); cursor: pointer; margin-right: 10px; text-decoration: none; white-space: nowrap; }
.tbl .ops a.danger { color: var(--danger); }

/* 按钮 */
.btn { display: inline-block; border: 1px solid var(--border); background: #fff; color: var(--text-body); padding: 7px 16px; border-radius: 6px; font-size: 13px; cursor: pointer; text-decoration: none; line-height: 1.4; }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.primary:hover { background: #1558c4; }
.btn.danger { color: var(--danger); border-color: var(--danger); }
.btn.small { padding: 4px 10px; font-size: 12px; }
.btn:disabled { opacity: .55; cursor: not-allowed; }

/* 表单 */
.form-row { margin-bottom: 16px; }
.form-row label { display: block; font-size: 13px; font-weight: 600; color: var(--text-main); margin-bottom: 6px; }
.form-row label .req { color: var(--accent); }
.input, .select, .textarea { width: 100%; border: 1px solid var(--border); border-radius: 6px; padding: 8px 12px; font-size: 14px; color: var(--text-main); outline: none; background: #fff; }
.input:focus, .select:focus, .textarea:focus { border-color: var(--primary); }
.textarea { min-height: 90px; resize: vertical; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 20px; }

/* 筛选条 */
.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 14px; align-items: center; }
.filter-bar .input, .filter-bar .select { width: auto; min-width: 140px; }

/* 弹窗 */
.modal-mask { position: fixed; inset: 0; background: rgba(26,35,48,.45); z-index: 100; display: flex; align-items: center; justify-content: center; padding: 20px; }
.modal { background: #fff; border-radius: 12px; width: 640px; max-width: 100%; max-height: 88vh; overflow-y: auto; padding: 24px; }
.modal.wide { width: 860px; }
.modal h3 { margin: 0 0 18px; font-size: 16px; color: var(--text-main); }
.modal .modal-ops { display: flex; justify-content: flex-end; gap: 10px; margin-top: 20px; }

/* 标签 */
.tag { display: inline-block; padding: 2px 10px; border-radius: 10px; font-size: 12px; }
.tag.blue { background: var(--primary-light); color: var(--primary); }
.tag.orange { background: #fdf1e0; color: var(--accent); }
.tag.green { background: #e2f5ec; color: var(--success); }
.tag.red { background: #fdeaea; color: var(--danger); }
.tag.gray { background: #eef1f5; color: var(--text-sub); }

/* 统计卡 */
.stat-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; margin-bottom: 16px; }
.stat-card { background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 16px; }
.stat-card .num { font-size: 26px; font-weight: 800; color: var(--primary); }
.stat-card .lb { font-size: 12px; color: var(--text-sub); margin-top: 4px; }
.stat-card.orange .num { color: var(--accent); }

/* 分页 */
.pager { display: flex; gap: 6px; justify-content: flex-end; margin-top: 14px; align-items: center; }
.pager a { padding: 5px 11px; border: 1px solid var(--border); border-radius: 5px; color: var(--text-sub); cursor: pointer; text-decoration: none; font-size: 13px; }
.pager a.on { background: var(--primary); border-color: var(--primary); color: #fff; }

/* Toast */
#toast-wrap { position: fixed; top: 40px; left: 50%; transform: translateX(-50%); z-index: 9999; }
.toast-item { background: rgba(26,35,48,.88); color: #fff; padding: 10px 22px; border-radius: 8px; margin-bottom: 10px; font-size: 14px; text-align: center; }

/* 二维码弹窗 */
.qr-box { text-align: center; padding: 10px 0; }
.qr-box canvas { margin: 0 auto; display: block; }

/* 字段编辑器 */
.field-edit-item { border: 1px solid var(--border); border-radius: 8px; padding: 14px; margin-bottom: 12px; background: #fafbfd; }
.field-edit-item .fe-head { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.field-edit-item .fe-head .tag { flex: none; }
.field-edit-item .fe-head .mv { color: var(--text-weak); cursor: pointer; font-size: 16px; padding: 0 4px; }
.opt-edit-row { display: flex; gap: 8px; margin-bottom: 6px; align-items: center; }
.opt-edit-row .input { flex: 1; }
.opt-edit-row .input.quota { flex: 0 0 90px; }

/* 登录页 */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, #1A2330 0%, #1B6BE3 120%); }
.login-box { background: #fff; border-radius: 14px; padding: 40px 36px; width: 380px; }
.login-box h1 { margin: 0 0 6px; font-size: 21px; color: var(--text-main); text-align: center; }
.login-box .sub { text-align: center; color: var(--text-sub); font-size: 13px; margin-bottom: 26px; }
.captcha-row { display: flex; gap: 10px; }
.captcha-row img { height: 40px; border-radius: 6px; cursor: pointer; border: 1px solid var(--border); }

/* 移动端适配 */
@media (max-width: 768px) {
  .sidebar { display: none; }
  .main { margin-left: 0; padding: 14px; }
  .form-grid { grid-template-columns: 1fr; }
  .stat-cards { grid-template-columns: repeat(2, 1fr); }
  .tbl { display: block; overflow-x: auto; white-space: nowrap; }
}

/* ===== 列表页：筛选区与数据区分离 ===== */
.filter-card { background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 16px 20px; margin-bottom: 16px; }
.filter-card .filter-title { font-size: 13px; font-weight: 600; color: var(--text-sub); margin-bottom: 12px; }
.data-card { background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 0; overflow: hidden; }
.data-card .tbl th { background: #fafbfd; }

/* ===== 侧栏分组菜单 + SVG 图标 ===== */
.menu-group { padding: 16px 20px 6px; font-size: 12px; color: rgba(255,255,255,.38); letter-spacing: 1px; }
.sidebar nav a { display: flex; align-items: center; gap: 10px; }
.sidebar nav a svg { width: 16px; height: 16px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; opacity: .8; }
.sidebar nav a.on svg, .sidebar nav a:hover svg { opacity: 1; }

/* ===== 筛选区底部操作按钮：右对齐 ===== */
.filter-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 12px; padding-top: 12px; border-top: 1px dashed var(--border); }
.btn.plain { color: var(--text-sub); border-color: var(--border); background: #fff; }
.btn.plain:hover { color: var(--primary); border-color: var(--primary); }

/* ===== 顶栏用户下拉菜单 ===== */
.who { display: flex; align-items: center; gap: 10px; position: relative; }
.user-dd-trigger { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; padding: 5px 12px; border-radius: 20px; border: 1px solid var(--border); background: #fff; user-select: none; font-size: 13px; color: var(--text-body); }
.user-dd-trigger:hover { border-color: var(--primary); }
.user-dd-trigger .caret { width: 10px; height: 10px; transition: transform .15s; }
.user-dd-trigger.open .caret { transform: rotate(180deg); }
.user-dd-menu { position: absolute; top: 46px; right: 0; background: #fff; border: 1px solid var(--border); border-radius: 8px; box-shadow: 0 6px 20px rgba(26,35,48,.12); min-width: 148px; z-index: 99; overflow: hidden; display: none; }
.user-dd-menu.show { display: block; }
.user-dd-menu a { display: flex; align-items: center; gap: 8px; padding: 11px 16px; font-size: 13px; color: var(--text-body); cursor: pointer; }
.user-dd-menu a:hover { background: #fafbfd; color: var(--primary); }
.user-dd-menu a svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }