/* 学员管理模块 - v4 School Management Dashboard 主视觉 */
:root {
  --primary: #2F6FED;
  --primary-dark: #215ED6;
  --primary-2: #5790F5;
  --primary-light: #EAF1FF;
  --primary-soft: #F6F9FF;
  --accent: #5790F5;
  --danger: #F25C7A;
  --danger-light: #FFE5EB;
  --text: #29263D;
  --text-light: #757287;
  --text-muted: #AAA8B7;
  --border: #ECECF4;
  --bg: #F5F6FA;
  --bg-2: #FBFBFD;
  --card: #ffffff;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 6px 20px rgba(43, 36, 74, 0.055);
  --shadow-lg: 0 14px 34px rgba(43, 36, 74, 0.12);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { height: 100%; }
body {
  font-family: "Microsoft YaHei", "微软雅黑", "PingFang SC", sans-serif;
  font-size: 14px; color: var(--text); background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
.hidden { display: none !important; }
a { color: var(--primary-dark); }

/* 登录 */
.login-view { position: fixed; inset: 0; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, #F1F3F8 0%, #EEF1FF 50%, #F0E9FF 100%); }
.login-card { width: 380px; background: var(--card); border-radius: 16px; box-shadow: var(--shadow-lg); padding: 36px 32px; }
.login-logo { text-align: center; margin-bottom: 14px; }
.login-title { text-align: center; font-size: 19px; color: var(--primary-dark); margin-bottom: 6px; }
.login-sub { text-align: center; color: var(--text-light); font-size: 13px; margin-bottom: 22px; }
.login-form label { display: block; font-size: 13px; color: var(--text-light); margin: 12px 0 6px; }
.login-form input { width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px; font-size: 14px; font-family: inherit; background: var(--card); color: var(--text); }
.login-form input:focus { outline: none; border-color: var(--primary); }
.login-error { color: var(--danger); font-size: 13px; margin-top: 10px; }

/* 顶栏 */
.topbar { height: 58px; background: var(--card); border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; padding: 0 18px; }
.topbar-left { display: flex; align-items: center; gap: 14px; }
.brand { display: flex; align-items: center; gap: 8px; font-weight: 600; color: var(--primary-dark); }
.brand-name { font-size: 15px; }
.topbar-right { display: flex; align-items: center; gap: 12px; }
.role-badge { font-size: 11px; padding: 2px 8px; border-radius: 20px; background: var(--primary-light); color: var(--primary); }
.btn { padding: 7px 14px; border-radius: 8px; border: 1px solid transparent; font-size: 14px; font-family: inherit; cursor: pointer; background: var(--primary-light); color: var(--text); }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-ghost { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn-ghost:hover { background: var(--primary-light); border-color: var(--primary); color: var(--primary); }
.btn-sm { padding: 4px 10px; font-size: 13px; border-radius: 6px; }

/* 内容容器 */
.container { max-width: 1380px; margin: 0 auto; padding: 24px 32px 60px; }
.member-page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin: 2px 0 24px; }
.member-eyebrow { display: block; margin-bottom: 6px; color: var(--primary); font-size: 10px; font-weight: 800; letter-spacing: 1.4px; }
.member-page-head h1 { margin: 0; color: var(--text); font-size: 28px; line-height: 1.2; }
.member-page-head p { margin: 8px 0 0; color: var(--text-light); font-size: 13px; }
.member-head-badge { padding: 7px 12px; color: var(--primary); background: var(--primary-light); border-radius: 999px; font-size: 12px; font-weight: 700; }
.page-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; flex-wrap: wrap; gap: 10px; }
.page-title { font-size: 16px; color: var(--text); font-weight: 700; }
.muted { color: var(--text-light); font-size: 13px; }

/* 工具条 */
.toolbar { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-bottom: 14px; padding: 14px; background: #FFF; border: 1px solid var(--border); border-radius: 12px; box-shadow: var(--shadow); }
.toolbar input, .toolbar select { min-height: 38px; padding: 8px 12px; border: 1px solid var(--border); border-radius: 8px; font-size: 13px; font-family: inherit; background: #FBFBFD; color: var(--text); }
.toolbar input:focus, .toolbar select:focus { outline: none; border-color: var(--primary); }
.toolbar .grow { flex: 1; min-width: 200px; }

/* 表格 */
.card { background: var(--card); border: 1px solid var(--border); border-radius: 14px; box-shadow: var(--shadow); overflow: hidden; }
table.list { width: 100%; border-collapse: collapse; }
table.list th, table.list td { padding: 14px 16px; text-align: left; border-bottom: 1px solid var(--border); font-size: 13px; }
table.list th { background: #F8F7FC; color: var(--text-light); font-size: 11px; font-weight: 700; letter-spacing: .4px; }
table.list tbody tr:hover { background: var(--primary-soft); }
.name-link { color: var(--primary-dark); cursor: pointer; font-weight: 600; }
.name-link:hover { text-decoration: underline; }
.tag { display: inline-block; padding: 4px 10px; border-radius: 20px; font-size: 11px; font-weight: 700; background: var(--primary-light); color: var(--primary-dark); }
.tag.registered { background: #DDF5E5; color: #18794E; }
.tag.churn { background: var(--danger-light); color: var(--danger); }

/* 分页 */
.pager { display: flex; align-items: center; gap: 10px; justify-content: flex-end; margin-top: 14px; }
.pager .info { color: var(--text-light); font-size: 13px; }

/* 详情 */
.detail-head { display: flex; align-items: center; gap: 14px; margin-bottom: 8px; flex-wrap: wrap; }
.detail-name { font-size: 26px; font-weight: 700; color: var(--text); }
.detail-chips { display: flex; gap: 8px; flex-wrap: wrap; margin: 10px 0 18px; }
.chip { background: var(--primary-light); color: var(--primary-dark); padding: 5px 12px; border-radius: 20px; font-size: 13px; }
.chip b { font-weight: 600; }

/* Tab */
.tabs { display: flex; gap: 4px; border-bottom: 2px solid var(--border); margin-bottom: 16px; flex-wrap: wrap; }
.tab-btn { padding: 9px 18px; border: none; background: transparent; cursor: pointer; font-size: 14px; font-family: inherit; color: var(--text-light); border-bottom: 2px solid transparent; margin-bottom: -2px; }
.tab-btn:hover { color: var(--text); }
.tab-btn.active { color: var(--primary-dark); font-weight: 600; border-bottom-color: var(--primary); }

/* 字段网格 */
.field-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; max-width: none; }
.field-row { display: flex; flex-direction: column; gap: 5px; padding: 14px; background: #FFF; border: 1px solid var(--border); border-radius: 10px; }
.field-label { width: auto; flex-shrink: 0; color: var(--text-light); font-size: 13px; }
.field-value { color: var(--text); word-break: break-all; flex: 1; font-size: 14px; }
.empty { color: var(--text-muted); }
.section-title { font-size: 15px; font-weight: 600; color: var(--primary-dark); margin: 18px 0 6px; }

@media (max-width: 760px) {
  .container { padding: 20px 16px 48px; }
  .member-page-head { align-items: flex-start; flex-direction: column; }
  .field-grid { grid-template-columns: 1fr; }
  .card { overflow-x: auto; }
  table.list { min-width: 720px; }
}