* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: #f5f6f8;
  color: #1f2329;
}
.topbar {
  display: flex;
  align-items: center;
  gap: 32px;
  padding: 0 24px;
  height: 56px;
  background: #fff;
  border-bottom: 1px solid #e5e6eb;
  position: sticky;
  top: 0;
  z-index: 10;
}
.brand { font-weight: 700; font-size: 16px; color: #3370ff; }
.tabs { display: flex; gap: 4px; }
.tab-btn {
  border: none;
  background: transparent;
  padding: 8px 14px;
  cursor: pointer;
  font-size: 14px;
  color: #4e5969;
  border-radius: 6px;
}
.tab-btn.active { background: #e8f0ff; color: #3370ff; font-weight: 600; }
.container { max-width: 1080px; margin: 24px auto; padding: 0 16px; }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

h2 { font-size: 18px; margin: 0 0 12px; }
h3 { font-size: 16px; margin: 0 0 12px; }
.section-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.hint { color: #86909c; font-size: 13px; margin: 6px 0; }
code { background: #eef0f3; padding: 1px 5px; border-radius: 4px; font-size: 12px; }

.form-row { margin: 12px 0; display: flex; flex-direction: column; gap: 6px; }
.form-row.inline { flex-direction: row; flex-wrap: wrap; gap: 8px; }
.form-row label { font-size: 13px; color: #4e5969; font-weight: 600; }
input, textarea, select {
  padding: 8px 10px;
  border: 1px solid #d9d9d9;
  border-radius: 6px;
  font-size: 14px;
  font-family: inherit;
  background: #fff;
  color: #1f2329;
}
textarea { resize: vertical; font-family: "SFMono-Regular", Consolas, monospace; font-size: 13px; }
.form-row.inline input { flex: 1; min-width: 200px; }

.actions { display: flex; gap: 8px; margin-top: 12px; }
.btn {
  border: 1px solid #d9d9d9;
  background: #fff;
  padding: 8px 16px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
  color: #1f2329;
}
.btn:hover { border-color: #3370ff; color: #3370ff; }
.btn.primary { background: #3370ff; color: #fff; border-color: #3370ff; }
.btn.primary:hover { background: #245bdb; color: #fff; }
.btn.danger { color: #f53f3f; border-color: #f53f3f; }
.btn.small { padding: 4px 10px; font-size: 13px; }

.msg { margin-top: 10px; font-size: 13px; }
.msg.ok { color: #00b42a; }
.msg.err { color: #f53f3f; }

.data-table { width: 100%; border-collapse: collapse; background: #fff; border-radius: 8px; overflow: hidden; box-shadow: 0 1px 3px rgba(0,0,0,0.04); }
.data-table th, .data-table td { padding: 10px 12px; text-align: left; border-bottom: 1px solid #f0f1f3; font-size: 13px; }
.data-table th { background: #fafbfc; color: #4e5969; font-weight: 600; }
.data-table tr:last-child td { border-bottom: none; }
.tag { display: inline-block; padding: 2px 8px; border-radius: 10px; font-size: 12px; }
.tag.text { background: #e8f0ff; color: #3370ff; }
.tag.interactive { background: #fff3e8; color: #ff7d00; }
.tag.active { background: #e8ffea; color: #00b42a; }
.tag.paused { background: #f2f3f5; color: #86909c; }
.tag.done { background: #f2f3f5; color: #86909c; }
.tag.success { background: #e8ffea; color: #00b42a; }
.tag.failed { background: #ffece8; color: #f53f3f; }

.checkbox-group { display: flex; flex-direction: column; gap: 4px; max-height: 160px; overflow: auto; border: 1px solid #eee; padding: 8px; border-radius: 6px; }
.checkbox-group label { font-weight: 400; font-size: 13px; }

.modal { position: fixed; inset: 0; background: rgba(0,0,0,0.4); display: flex; align-items: center; justify-content: center; z-index: 50; }
.modal.hidden, .hidden { display: none !important; }
.modal-box { background: #fff; width: 560px; max-width: 92vw; max-height: 90vh; overflow: auto; border-radius: 10px; padding: 20px 24px; }
.chat-preview { margin-top: 12px; }
.chat-preview .chip { display: inline-block; background: #f2f3f5; border-radius: 6px; padding: 6px 10px; margin: 4px; font-size: 13px; }
.picker { margin-top: 16px; border: 1px solid #eee; border-radius: 8px; padding: 12px; }
.picker .chip { display: block; margin: 6px 0; }
.picker .chip button { margin-left: 8px; }

/* ---------------- 登录页 ---------------- */
.login-screen {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #3370ff 0%, #1e4fd6 100%);
  z-index: 100;
}
.login-screen.hidden { display: none; }
.login-box {
  background: #fff;
  width: 360px;
  max-width: 90vw;
  border-radius: 12px;
  padding: 32px 28px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.18);
}
.brand-lg { font-weight: 700; font-size: 20px; color: #3370ff; text-align: center; margin-bottom: 4px; }
.login-box .hint { text-align: center; margin-bottom: 18px; }
.login-box .btn.block { width: 100%; margin-top: 8px; padding: 10px; font-size: 15px; }
/* ---------------- 群组分类与分组选择 ---------------- */
.cat-editable {
  display: inline-block;
  min-width: 60px;
  padding: 4px 8px;
  border-radius: 4px;
  cursor: pointer;
  border: 1px dashed transparent;
  color: #1f2329;
}
.cat-editable:hover {
  border-color: #3370ff;
  background: #f2f3f5;
}
.cat-editable .muted { color: #86909c; }
.cat-editable .cat-input {
  width: 100%;
  min-width: 120px;
  padding: 4px 6px;
  font-size: 13px;
  border: 1px solid #3370ff;
  border-radius: 4px;
  outline: none;
}
.cat-editable.cat-saving { color: #86909c; cursor: default; }
.cat-editable.cat-saved { background: #e8ffea; color: #00b42a; border-color: #00b42a; }
.group-category { margin-bottom: 4px; }
.cat-header { background: #f7f8fa; padding: 6px 8px; border-radius: 4px; font-size: 13px; }
.cat-body { padding: 4px 0 4px 20px; display: flex; flex-direction: column; gap: 2px; }
.group-item { font-weight: 400; font-size: 13px; padding: 3px 0; }
.group-item code { font-size: 11px; }

/* ---------------- 群组工具栏：筛选 / 批量 ---------------- */
.grp-toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; margin: 12px 0; padding: 10px 12px; background: #fafbfc; border: 1px solid #eef0f3; border-radius: 8px; font-size: 13px; color: #4e5969; }
.grp-toolbar .chk { display: inline-flex; align-items: center; gap: 6px; cursor: pointer; }
.grp-toolbar select, .grp-toolbar input[type="text"] { padding: 5px 8px; border: 1px solid #d9d9d9; border-radius: 6px; font-size: 13px; }
.grp-toolbar input[type="text"] { width: 120px; }
.grp-bulk { display: inline-flex; align-items: center; gap: 6px; }
.grp-bulk b { color: #3370ff; }

/* ---------------- 卡片编辑器富文本框 ---------------- */
.card-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 8px;
  padding: 6px 0;
}
.card-body {
  min-height: 120px;
  padding: 12px;
  border: 1px solid #d9d9d9;
  border-radius: 6px;
  background: #fff;
  font-size: 14px;
  line-height: 1.6;
  outline: none;
  color: #1f2329;
  transition: border-color 0.2s, box-shadow 0.2s;
  cursor: text;
}
.card-body:focus {
  border-color: #3370ff;
  box-shadow: 0 0 0 3px rgba(51, 112, 255, 0.12);
}
.card-body:empty::before {
  content: '在此输入正文…';
  color: #86909c;
  pointer-events: none;
}
.weekday-group, .monthday-group { display: flex; flex-wrap: wrap; gap: 8px; }
.weekday-group label, .monthday-group label { font-weight: 400; font-size: 13px; background: #f7f8fa; padding: 4px 8px; border-radius: 4px; }
.radio-group { display: flex; gap: 16px; }
.radio-group label { font-weight: 400; font-size: 14px; }
.schedule-desc { background: #f7f8fa; padding: 10px 12px; border-radius: 6px; color: #4e5969; font-size: 13px; min-height: 36px; }

/* ---------------- 系统管理：部门 / 账号 ---------------- */
.admin-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 20px;
  align-items: start;
}
@media (max-width: 860px) {
  .admin-grid { grid-template-columns: 1fr; }
}
.admin-card {
  background: #fff;
  border: 1px solid #eef0f3;
  border-radius: 10px;
  padding: 18px 20px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}
.admin-card h3 { margin-bottom: 6px; }
.admin-card .hint { margin-top: 0; margin-bottom: 12px; }
.admin-card .data-table { box-shadow: none; border: 1px solid #f0f1f3; }
.admin-card .form-row.inline { margin-top: 0; }
.tag.admin-role { background: #fff0f0; color: #f53f3f; }
.tag.member-role { background: #e8f0ff; color: #3370ff; }
.modal-box.narrow { width: 420px; }
.row-actions { display: inline-flex; gap: 6px; flex-wrap: wrap; }