:root {
  --paper: #F7F3ED;
  --ink: #2C2C2C;
  --slate: #6B7B8D;
  --cinnabar: #C04851;
  --ochre: #A0674E;
  --bamboo: #5B8C6F;
  --cloud: #E8E2D6;
  --card: #FFFFFF;
  --line: rgba(0,0,0,0.08);
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Serif SC", serif;
  background: var(--paper);
  color: var(--ink);
  font-size: 14px;
}
.layout { display: flex; min-height: 100vh; }

/* 侧边栏 */
.sidebar {
  width: 220px;
  flex-shrink: 0;
  background: var(--ink);
  color: #EDE6DA;
  padding: 24px 0;
  position: sticky;
  top: 0;
  height: 100vh;
}
.brand { padding: 0 24px 24px; font-size: 22px; font-weight: 700; letter-spacing: 2px; }
.brand small { display: block; font-size: 12px; font-weight: 400; color: var(--slate); letter-spacing: 1px; margin-top: 4px; }
.sidebar nav a {
  display: block;
  padding: 14px 24px;
  color: #CFC7B8;
  cursor: pointer;
  border-left: 3px solid transparent;
  font-size: 15px;
}
.sidebar nav a:hover { background: rgba(255,255,255,0.06); color: #fff; }
.sidebar nav a.active { background: rgba(192,72,81,0.18); color: #fff; border-left-color: var(--cinnabar); }

/* 主区 */
.main { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.topbar {
  display: flex;
  align-items: center;
  padding: 20px 32px;
  background: rgba(255,255,255,0.6);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(4px);
}
.topbar h1 { margin: 0; font-size: 20px; font-weight: 600; }
.view { padding: 28px 32px; flex: 1; }

/* 卡片 */
.card { background: var(--card); border-radius: 14px; padding: 20px 24px; box-shadow: 0 2px 12px rgba(0,0,0,0.05); margin-bottom: 20px; }
.card h3 { margin: 0 0 16px; font-size: 16px; }

/* 按钮 */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  border: none; border-radius: 10px; padding: 10px 18px;
  font-size: 14px; cursor: pointer; background: var(--cloud); color: var(--ink);
  font-family: inherit;
}
.btn-primary { background: var(--cinnabar); color: #fff; }
.btn-ghost { background: transparent; border: 1px solid var(--cloud); }
.btn-sm { padding: 6px 12px; font-size: 13px; border-radius: 8px; }
.btn-danger { background: rgba(192,72,81,0.1); color: var(--cinnabar); }
.toolbar { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 18px; }
.toolbar .spacer { flex: 1; }

/* 汇总卡 */
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 28px; }
/* 数据统计：学习知识数量一行 5 个 */
.stat-grid-5 { grid-template-columns: repeat(5, 1fr); }
.stat-grid-5 .stat { text-align: center; }
.stat {
  background: var(--card); border-radius: 14px; padding: 18px 20px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.05);
}
.stat .num { font-size: 30px; font-weight: 700; color: var(--cinnabar); }
.stat .label { font-size: 13px; color: var(--slate); margin-top: 4px; }
.stat .sub { font-size: 12px; color: var(--slate); margin-top: 8px; }

/* 表格 */
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 12px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--slate); font-weight: 600; font-size: 13px; }
td.orig { max-width: 320px; color: #444; line-height: 1.5; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
/* 内容管理表格：表头与单元格上下、左右居中 */
.contents-table { border: 1px solid var(--line); }
.contents-table th, .contents-table td { text-align: center; vertical-align: middle; border: 1px solid var(--line); }
.contents-table .row-actions { justify-content: center; }
.tag { display: inline-block; padding: 2px 10px; border-radius: 20px; font-size: 12px; }
.tag-published { background: rgba(91,140,111,0.15); color: var(--bamboo); }
.tag-offline { background: rgba(107,123,141,0.15); color: var(--slate); }
.tag-draft { background: rgba(160,103,78,0.15); color: var(--ochre); }
.tag-share { background: rgba(138,155,178,0.18); color: #5a6b82; }
.tag-annual { background: rgba(192,72,81,0.15); color: var(--cinnabar); }
.row-actions { display: flex; gap: 6px; flex-wrap: wrap; }

/* 模态框 */
.modal-mask {
  position: fixed; inset: 0; background: rgba(0,0,0,0.45);
  display: flex; align-items: flex-start; justify-content: center; padding: 40px 16px; z-index: 50; overflow: auto;
}
.modal {
  background: #fff; border-radius: 16px; width: 100%; max-width: 560px;
  padding: 24px 28px; box-shadow: 0 12px 40px rgba(0,0,0,0.2);
}
.modal h3 { margin: 0 0 18px; font-size: 18px; }
.field { margin-bottom: 14px; }
.field label { display: block; font-size: 13px; color: var(--slate); margin-bottom: 6px; }
.field input, .field textarea, .field select {
  width: 100%; padding: 10px 12px; border: 1px solid var(--cloud); border-radius: 8px;
  font-size: 14px; font-family: inherit; color: var(--ink); background: #fff;
}
.field textarea { min-height: 72px; resize: vertical; }
.field-row { display: flex; gap: 12px; }
.field-row .field { flex: 1; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 8px; }

/* 居中提示框（保存成功/失败确认） */
.toast-root {
  position: fixed; inset: 0; display: flex; align-items: center; justify-content: center;
  pointer-events: none; z-index: 9999;
}
.toast-box {
  pointer-events: auto;
  min-width: 280px; max-width: 80vw; box-sizing: border-box;
  background: #fff; border-radius: 14px; padding: 26px 28px 22px; text-align: center;
  box-shadow: 0 10px 36px rgba(0,0,0,0.22); border-top: 4px solid var(--cinnabar);
  animation: toastIn .18s ease;
}
.toast-box.success { border-top-color: var(--bamboo); }
.toast-box.error { border-top-color: var(--cinnabar); }
.toast-icon { font-size: 38px; line-height: 1; margin-bottom: 10px; }
.toast-box.success .toast-icon { color: var(--bamboo); }
.toast-box.error .toast-icon { color: var(--cinnabar); }
.toast-title { font-size: 16px; font-weight: 600; color: var(--ink); margin-bottom: 6px; }
.toast-msg { font-size: 13px; color: var(--slate); margin-bottom: 18px; word-break: break-all; white-space: pre-wrap; }
.toast-box .btn { min-width: 96px; }
@keyframes toastIn { from { opacity: 0; transform: translateY(-8px) scale(.96); } to { opacity: 1; transform: none; } }

/* 模板/勋章网格 */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px,1fr)); gap: 16px; }
/* 勋章管理：固定每行 8 个 */
.grid.badges-grid { grid-template-columns: repeat(8, minmax(0, 1fr)); }
.tpl-card, .badge-card {
  background: var(--card); border-radius: 14px; padding: 18px; box-shadow: 0 2px 12px rgba(0,0,0,0.05);
}
.swatch-row { display: flex; gap: 8px; margin: 10px 0; }
.swatch { width: 28px; height: 28px; border-radius: 6px; border: 1px solid var(--line); }
.badge-icon { font-size: 34px; }
.badge-head { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; }
.badge-name { font-size: 15px; font-weight: 600; color: var(--ink); text-align: center; }
.badge-head .tag { margin-left: auto; }
.badge-card .row-actions { justify-content: center; }
.badge-status { margin-top: 10px; text-align: center; }
.badge-cond { font-size: 13px; color: var(--slate); margin: 8px 0; text-align: center; }

/* 图表 */
.chart { display: flex; align-items: flex-end; gap: 8px; height: 120px; margin-top: 10px; }
.bar { flex: 1; background: var(--cinnabar); border-radius: 4px 4px 0 0; min-height: 4px; position: relative; }
.bar span { position: absolute; bottom: -18px; left: 0; right: 0; text-align: center; font-size: 11px; color: var(--slate); }
.note {
  background: rgba(192,72,81,0.08); border: 1px solid rgba(192,72,81,0.2);
  color: var(--cinnabar); padding: 12px 16px; border-radius: 10px; font-size: 13px; margin-bottom: 18px;
}
.muted { color: var(--slate); font-size: 13px; }
.empty { color: var(--slate); padding: 30px; text-align: center; }
.pill { font-size: 11px; padding: 1px 8px; border-radius: 10px; background: rgba(160,103,78,0.15); color: var(--ochre); margin-left: 6px; }

/* 登录页 */
.login-view {
  display: flex; align-items: center; justify-content: center;
  min-height: 100vh; background: linear-gradient(135deg, var(--paper), #ECE3D3);
}
.login-card {
  width: 360px; max-width: 90vw; background: #fff;
  border-radius: 18px; padding: 40px 32px; box-shadow: 0 12px 40px rgba(0,0,0,0.1);
}
.login-card .brand { font-size: 28px; color: var(--cinnabar); margin-bottom: 4px; }
.login-card .brand small { display: block; font-size: 12px; color: var(--slate); letter-spacing: 2px; margin-top: 4px; }
.login-card h2 { font-size: 20px; margin: 18px 0 22px; color: var(--ink); }
.login-err { color: var(--cinnabar); font-size: 13px; min-height: 18px; margin-bottom: 8px; }
.login-card .muted.center { text-align: center; margin-top: 16px; }
.btn-block { width: 100%; justify-content: center; }

/* 顶栏右侧 */
.topbar-right { margin-left: auto; display: flex; align-items: center; gap: 14px; }
.admin-name { color: var(--ink); font-size: 14px; font-weight: 600; }

/* 翻页器 */
.pager {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 12px; margin-top: 16px; padding-top: 14px;
  border-top: 1px solid var(--line);
}
.pager-info { color: var(--slate); font-size: 13px; }
.pager-ctrl { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.pager-btn, .pager-num {
  min-width: 34px; height: 34px; padding: 0 10px;
  border: 1px solid var(--line); border-radius: 8px;
  background: #fff; color: var(--ink); font-size: 13px; cursor: pointer;
}
.pager-btn:hover:not(:disabled), .pager-num:hover { border-color: var(--cinnabar); color: var(--cinnabar); }
.pager-btn:disabled { opacity: 0.45; cursor: not-allowed; }
.pager-num.active { background: var(--cinnabar); color: #fff; border-color: var(--cinnabar); }
.pager-ellipsis { color: var(--slate); padding: 0 4px; }
.pager-empty { text-align: center; color: var(--slate); padding: 24px 0; }

/* 反馈管理 */
.feedback-table td.fb-content {
  text-align: left;
  max-width: 380px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.feedback-table td.fb-contact { text-align: left; max-width: 160px; }
.feedback-table td.fb-contact .muted { font-size: 12px; }
.select {
  height: 36px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  font-size: 14px;
  font-family: inherit;
  cursor: pointer;
}
.btn-success { background: var(--bamboo); color: #fff; }
.btn-success:hover { background: #4f7d62; }
.fb-detail {
  margin-top: 6px;
  padding: 12px 14px;
  background: rgba(192, 72, 81, 0.05);
  border-left: 4px solid var(--cinnabar);
  border-radius: 0 10px 10px 0;
  white-space: pre-wrap;
  line-height: 1.7;
  color: var(--ink);
  font-size: 14px;
}
.form-row { display: flex; gap: 12px; padding: 8px 0; font-size: 14px; align-items: flex-start; }
.form-row .form-label { width: 80px; color: var(--slate); flex-shrink: 0; }
.form-row.col { flex-direction: column; gap: 0; }