/* ===== 积分管理后台 · 共享样式 ===== */
:root {
  /* 儿童友好配色（与 prototype/ui-children-v2.html 对齐） */
  --primary: #0e8a5f;
  --primary-dark: #0a5c40;
  --primary-light: #dcf3e7;
  --gold: #ffc53d;
  --gold-deep: #f5a623;
  --gold-light: #fff7dc;
  --bg: #faf6ec;
  --card: #fff;
  --text-1: #23322b;
  --text-2: #6b7a70;
  --text-3: #a8b0a8;
  --line: #efeae0;
  --danger: #e8553f;
  --danger-light: #fce8e3;
  --warn: #b45309;
  --warn-light: #fef3c7;
  --info: #4a6cf7;
  --info-light: #eef2ff;
  --shadow: 0 3px 14px rgba(35, 50, 43, .07);
  --r: 14px;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg); color: var(--text-1); font-size: 14px;
}

/* ===== 布局壳 ===== */
.layout { display: flex; min-height: 100vh; }
.sidebar {
  width: 208px; background: #1c2b22; color: #cfdcd2; flex-shrink: 0;
  display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh;
}
.brand { padding: 22px 20px; font-size: 17px; font-weight: 700; color: #fff; border-bottom: 1px solid rgba(255,255,255,.08); }
.sidebar nav { padding: 12px 10px; flex: 1; }
.sidebar nav a {
  display: flex; align-items: center; gap: 10px; padding: 12px 14px; margin-bottom: 4px;
  color: #cfdcd2; text-decoration: none; border-radius: 8px; font-size: 14px;
}
.sidebar nav a:hover { background: rgba(255,255,255,.06); }
.sidebar nav a.active { background: var(--primary); color: #fff; font-weight: 600; }
.sidebar .s-foot { padding: 14px 18px; font-size: 12px; color: #6f7d73; border-top: 1px solid rgba(255,255,255,.08); }
/* 老师可见范围提示（P1 角色裁剪后必备） */
.sidebar .s-scope {
  margin: 0 12px 10px; padding: 10px 12px; font-size: 12px; line-height: 1.5;
  color: #cfe3d7; background: rgba(255,255,255,.06); border-radius: 8px;
  border: 1px solid rgba(255,255,255,.08);
}

/* 页面顶部说明条（角色能力边界提示，如班级页的老师视图） */
.tip-bar {
  padding: 10px 14px; font-size: 13px; line-height: 1.6; border-radius: var(--r);
  color: #1F5E42; background: #EAF7F0; border: 1px solid #BCE3CE;
}

.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar {
  display: flex; justify-content: space-between; align-items: center;
  background: var(--card); padding: 14px 24px; border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 10;
}
.page-title { font-size: 17px; font-weight: 700; }
.user-box { display: flex; align-items: center; gap: 12px; }
.user-box .org { font-weight: 600; }
.user-box .role { font-size: 12px; color: var(--primary-dark); background: var(--primary-light); padding: 3px 10px; border-radius: 20px; }
.content { padding: 20px 24px; }

/* ===== 卡片 / 栅格 ===== */
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); box-shadow: var(--shadow); margin-bottom: 16px; }
.card-h { padding: 14px 18px; border-bottom: 1px solid var(--line); font-weight: 700; font-size: 15px; display: flex; justify-content: space-between; align-items: center; }
.card-b { padding: 16px 18px; }

.grid { display: grid; gap: 14px; }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 900px){ .grid-4{ grid-template-columns: repeat(2,1fr);} }

.stat { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 16px 18px; box-shadow: var(--shadow); }
.stat .s-label { font-size: 13px; color: var(--text-3); }
.stat .s-value { font-size: 26px; font-weight: 800; margin-top: 6px; }
.stat .s-sub { font-size: 12px; color: var(--text-3); margin-top: 4px; }
.stat.green .s-value { color: var(--primary); }
.stat.orange .s-value { color: var(--warn); }
.stat.blue .s-value { color: var(--info); }
.stat.red .s-value { color: var(--danger); }

/* ===== 表格 ===== */
table.tbl { width: 100%; border-collapse: collapse; }
.tbl th, .tbl td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.tbl th { font-size: 12px; color: var(--text-3); font-weight: 600; background: #fafbfa; white-space: nowrap; }
.tbl td { font-size: 13px; }
.tbl tr:last-child td { border-bottom: none; }
.tbl .num { font-weight: 700; }
.tbl .plus { color: var(--primary); font-weight: 700; }
.tbl .minus { color: var(--danger); font-weight: 700; }
.tbl .empty-td { text-align: center; color: var(--text-3); padding: 30px; }

/* ===== 徽标 / 状态 ===== */
.badge { display: inline-block; padding: 2px 10px; border-radius: 20px; font-size: 12px; }
.badge.green { background: var(--primary-light); color: var(--primary-dark); }
.badge.gray { background: #eef0ee; color: var(--text-3); }
.badge.red { background: var(--danger-light); color: var(--danger); }
.badge.orange { background: var(--warn-light); color: var(--warn); }
.badge.blue { background: var(--info-light); color: var(--info); }

/* ===== 表单 ===== */
.form { display: flex; flex-direction: column; gap: 14px; }
.form-row { display: flex; flex-direction: column; gap: 6px; }
.form-row .lbl { font-size: 13px; color: var(--text-2); }
.form-row .hint { font-size: 12px; color: var(--text-3); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 700px){ .form-grid{ grid-template-columns: 1fr; } }

input[type=text], input[type=number], input[type=password], input[type=date], select, textarea {
  width: 100%; padding: 9px 12px; border: 1px solid var(--line); border-radius: 8px;
  font-size: 14px; background: #fff; color: var(--text-1); outline: none;
}
input:focus, select:focus, textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(47,191,113,.12); }

/* ===== 按钮 ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 8px 16px; border-radius: 8px; font-size: 14px; cursor: pointer;
  border: 1px solid var(--line); background: #fff; color: var(--text-1);
}
.btn:hover { border-color: var(--primary); color: var(--primary); }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.primary:hover { background: var(--primary-dark); color: #fff; }
.btn.danger { background: #fff; border-color: #f5c4c6; color: var(--danger); }
.btn.danger:hover { background: var(--danger-light); border-color: var(--danger); }
.btn.ghost { background: transparent; border-color: transparent; color: var(--text-2); }
.btn.ghost:hover { background: #eef0ee; color: var(--text-1); }
.btn.sm { padding: 4px 10px; font-size: 12px; border-radius: 6px; }
.btn-link { background: none; border: none; color: var(--danger); cursor: pointer; font-size: 13px; padding: 0; }
.btn-link:hover { text-decoration: underline; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }

/* ===== 工具栏 ===== */
.toolbar { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; padding: 14px 18px; }
.toolbar .grow { flex: 1; }
.spacer { flex: 1; }

/* ===== 弹窗 ===== */
.modal-mask { position: fixed; inset: 0; background: rgba(20,28,23,.45); display: none; align-items: center; justify-content: center; z-index: 100; }
.modal-mask.show { display: flex; }
.modal { background: #fff; border-radius: 12px; width: 520px; max-width: 92vw; max-height: 88vh; overflow: auto; box-shadow: 0 12px 40px rgba(0,0,0,.2); }
.modal.sm { width: 380px; }
.modal.lg { width: 860px; }
.modal-h { padding: 16px 20px; border-bottom: 1px solid var(--line); font-size: 16px; font-weight: 700; display: flex; justify-content: space-between; align-items: center; }
.modal-b { padding: 20px; }
.modal-f { padding: 14px 20px; border-top: 1px solid var(--line); display: flex; justify-content: flex-end; gap: 10px; }
.modal-close { cursor: pointer; color: var(--text-3); font-size: 20px; line-height: 1; background: none; border: none; }

/* ===== toast ===== */
.toast-wrap { position: fixed; top: 18px; right: 20px; z-index: 999; display: flex; flex-direction: column; gap: 8px; }
.toast { background: #223024; color: #fff; padding: 10px 16px; border-radius: 8px; font-size: 13px; box-shadow: 0 4px 16px rgba(0,0,0,.2); animation: fadeIn .2s; }
.toast.err { background: var(--danger); }
@keyframes fadeIn { from{opacity:0; transform: translateY(-6px);} to{opacity:1;} }

/* ===== 分页 ===== */
.pager { display: flex; align-items: center; gap: 12px; justify-content: flex-end; padding: 12px 18px; }
.pager .pg-info { font-size: 13px; color: var(--text-3); }

/* ===== 图片缩略 ===== */
.thumb { width: 44px; height: 44px; border-radius: 8px; object-fit: cover; border: 1px solid var(--line); }

/* ===== 原因/分组标签 ===== */
.reason-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.reason-tag {
  padding: 6px 12px; border-radius: 20px; font-size: 13px; cursor: pointer;
  border: 1px solid var(--line); background: #fff; color: var(--text-1);
}
.reason-tag .pt { color: var(--text-3); font-size: 12px; }
.reason-tag.selected { border-color: var(--primary); background: var(--primary-light); color: var(--primary-dark); font-weight: 600; }
.reason-group { font-size: 12px; color: var(--text-3); margin: 12px 0 6px; }

/* ===== 图表（chart.js · 零依赖 SVG） ===== */
.chart-legend { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 6px; }
.chart-legend .lg { display: inline-flex; align-items: center; font-size: 12px; color: var(--text-2); }
.chart-legend .lg i { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 6px; }
.chart-empty { padding: 60px 0; text-align: center; color: var(--text-3); font-size: 13px; }
.chart-box { padding: 8px 6px 4px; }

/* 排行条形（报表页学员排行） */
.rank-bar { position: relative; height: 8px; border-radius: 4px; background: var(--line); overflow: hidden; min-width: 60px; }
.rank-bar > i { position: absolute; left: 0; top: 0; bottom: 0; background: var(--primary); border-radius: 4px; }

/* ===== 登录页 ===== */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, #1f9e5c, #12301f); }
.login-card { background: #fff; border-radius: 14px; padding: 34px 30px; width: 380px; box-shadow: 0 20px 60px rgba(0,0,0,.25); }
.login-card h1 { margin: 0 0 4px; font-size: 22px; }
.login-card .sub { color: var(--text-3); font-size: 13px; margin-bottom: 22px; }
.login-err { color: var(--danger); font-size: 13px; margin-bottom: 12px; min-height: 18px; }
.login-tabs { display: flex; gap: 0; margin-bottom: 18px; border-bottom: 1px solid var(--line); }
.login-tabs .tab { padding: 8px 18px; cursor: pointer; font-size: 14px; color: var(--text-3); border-bottom: 2px solid transparent; margin-bottom: -1px; }
.login-tabs .tab.active { color: var(--primary-dark); font-weight: 700; border-bottom-color: var(--primary); }