* { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg: #f6f2e9;
  --panel: #ffffff;
  --text: #17130b;
  --muted: #706754;
  --gold: #b88a2e;
  --gold-light: #e2c777;
  --border: #eadfca;
  --dark: #17130b;
  --shadow: 0 10px 30px rgba(31, 24, 12, 0.08);
}
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif; background: var(--bg); color: var(--text); }
.admin-shell { min-height: 100vh; display: grid; grid-template-columns: 260px 1fr; }
.sidebar { background: linear-gradient(180deg, #17130b, #37270f); color: #fff; padding: 24px 18px; position: sticky; top: 0; height: 100vh; overflow-y: auto; }
.brand { display: flex; gap: 12px; align-items: center; margin-bottom: 28px; }
.brand-logo { width: 46px; height: 46px; border-radius: 14px; background: linear-gradient(135deg, var(--gold), var(--gold-light)); color: #17130b; display: flex; align-items: center; justify-content: center; font-weight: 900; }
.brand h1 { font-size: 18px; margin-bottom: 4px; }
.brand p { color: rgba(255,255,255,.62); font-size: 12px; }
.nav-list { display: flex; flex-direction: column; gap: 8px; }
.nav-item { border: 1px solid transparent; background: transparent; color: rgba(255,255,255,.72); text-align: left; padding: 12px 14px; border-radius: 12px; cursor: pointer; font-size: 14px; }
.nav-item:hover, .nav-item.active { background: rgba(226,199,119,.14); color: #fff; border-color: rgba(226,199,119,.24); }
.main { padding: 24px; overflow: auto; }
.topbar { background: rgba(255,255,255,.9); border: 1px solid var(--border); border-radius: 20px; box-shadow: var(--shadow); padding: 20px 22px; display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.topbar h2 { font-size: 24px; margin-bottom: 6px; }
.topbar p { color: var(--muted); font-size: 14px; }
.top-actions { display: flex; gap: 10px; }
.btn-primary, .btn-outline { border: none; border-radius: 10px; padding: 11px 18px; cursor: pointer; font-weight: 700; }
.btn-primary { background: linear-gradient(135deg, var(--gold), var(--gold-light)); color: #17130b; }
.btn-outline { background: #fff; color: var(--gold); border: 1px solid rgba(184,138,46,.45); }
.small { padding: 8px 12px; font-size: 13px; }
.content-section { display: none; }
.content-section.active { display: block; animation: fade .22s ease; }
@keyframes fade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }
.grid { display: grid; gap: 16px; }
.stats-grid { grid-template-columns: repeat(4, 1fr); margin-bottom: 16px; }
.two-col { grid-template-columns: repeat(2, 1fr); }
.card, .stat-card { background: var(--panel); border: 1px solid var(--border); border-radius: 18px; box-shadow: var(--shadow); padding: 20px; margin-bottom: 16px; }
.card h3 { font-size: 18px; margin-bottom: 12px; }
.card-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.hint, .field-note { color: var(--muted); font-size: 13px; line-height: 1.7; margin-bottom: 14px; }
.stat-card span { color: var(--muted); font-size: 13px; }
.stat-card strong { display: block; font-size: 30px; color: var(--gold); margin: 8px 0; }
.stat-card em { font-style: normal; color: var(--muted); font-size: 12px; }
.module-map { display: grid; gap: 10px; }
.module-map div, .setting-list div { display: flex; justify-content: space-between; gap: 16px; padding: 14px; border-radius: 12px; background: #fffaf0; border: 1px solid var(--border); }
.module-map b, .setting-list b { color: var(--gold); white-space: nowrap; }
.module-map span, .setting-list span { color: var(--muted); font-size: 13px; }
.banner-list { display: grid; gap: 10px; }
.upload-row { display: grid; grid-template-columns: 110px 220px 1fr; gap: 12px; align-items: center; padding: 12px; border: 1px solid var(--border); border-radius: 12px; background: #fffdf8; }
label { display: flex; flex-direction: column; gap: 8px; color: var(--muted); font-size: 13px; }
input, textarea, select { width: 100%; border: 1px solid var(--border); border-radius: 10px; padding: 11px 12px; background: #fff; color: var(--text); font-size: 14px; outline: none; }
textarea { min-height: 116px; resize: vertical; line-height: 1.6; }
input:focus, textarea:focus, select:focus { border-color: var(--gold); box-shadow: 0 0 0 3px rgba(184,138,46,.12); }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.form-grid.full { grid-template-columns: 1fr; }
.upload-box { min-height: 150px; border: 1px dashed rgba(184,138,46,.6); border-radius: 16px; background: #fffaf0; display: flex; flex-direction: column; gap: 10px; justify-content: center; align-items: center; padding: 18px; text-align: center; }
.upload-box strong { color: var(--gold); }
.upload-box span { color: var(--muted); font-size: 13px; }
.table { border: 1px solid var(--border); border-radius: 14px; overflow: hidden; }
.table-row { display: grid; grid-template-columns: 2fr 1fr 1.2fr 1.4fr 1fr; gap: 12px; padding: 13px 14px; border-bottom: 1px solid var(--border); align-items: center; font-size: 13px; }
.table-row:last-child { border-bottom: none; }
.table-head { background: #fff7df; font-weight: 700; color: #4a3514; }
.tag { display: inline-flex; width: fit-content; padding: 5px 9px; border-radius: 999px; font-size: 12px; }
.green { background: #eaf8ef; color: #16824a; }
.orange { background: #fff2dc; color: #b36b00; }
.blue { background: #eaf2ff; color: #2d63b8; }
.filters { display: flex; gap: 8px; margin-bottom: 14px; }
.filter { border: 1px solid var(--border); background: #fff; border-radius: 999px; padding: 8px 14px; cursor: pointer; color: var(--muted); }
.filter.active { background: linear-gradient(135deg, var(--gold), var(--gold-light)); color: #17130b; border-color: transparent; }
.setting-list { display: grid; gap: 12px; }
.setting-list div { display: grid; grid-template-columns: 120px 1fr 260px; align-items: center; }
@media (max-width: 1100px) { .admin-shell { grid-template-columns: 1fr; } .sidebar { position: static; height: auto; } .nav-list { display: grid; grid-template-columns: repeat(3, 1fr); } .stats-grid, .two-col { grid-template-columns: 1fr; } .topbar { flex-direction: column; align-items: flex-start; gap: 14px; } .table-row, .upload-row, .form-grid, .setting-list div { grid-template-columns: 1fr; } }

/* 活动删除操作 */
.card-actions {
  display: flex;
  gap: 10px;
  align-items: center;
}

.btn-danger {
  border: 1px solid rgba(170, 45, 45, 0.2);
  border-radius: 10px;
  padding: 11px 18px;
  cursor: pointer;
  font-weight: 700;
  background: #fff1f1;
  color: #a83232;
}

.activity-table-row {
  grid-template-columns: 2fr 1fr 1.2fr 1.4fr 1fr 80px;
}

.table-delete-btn {
  border: 1px solid rgba(170, 45, 45, 0.24);
  background: #fff7f7;
  color: #a83232;
  border-radius: 999px;
  padding: 6px 10px;
  cursor: pointer;
  font-size: 12px;
}

.table-delete-btn:hover,
.btn-danger:hover {
  background: #ffe8e8;
}

/* 推广绑定/分润表格 */
.promotion-bind-row {
  grid-template-columns: 1.1fr 1.1fr 1.2fr 1fr 1fr 1fr;
}

/* 分销比例设置 */
.commission-global-box {
  display: grid;
  grid-template-columns: 260px auto;
  gap: 12px;
  align-items: end;
  margin-bottom: 16px;
  padding: 14px;
  border-radius: 14px;
  background: #fffaf0;
  border: 1px solid var(--border);
}

.commission-row {
  grid-template-columns: 2fr 1fr 1.2fr 1fr 90px;
}

.commission-rate-input {
  padding: 8px 10px;
  max-width: 90px;
}

.commission-amount {
  color: var(--gold);
  font-weight: 800;
}

@media (max-width: 1100px) {
  .commission-global-box,
  .commission-row {
    grid-template-columns: 1fr;
  }
}

/* 分销比例标题右侧布局 */
.commission-title-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 18px;
  align-items: start;
  margin-bottom: 16px;
}

.commission-title-row h3 {
  margin-bottom: 8px;
}

.commission-title-row .hint {
  margin-bottom: 0;
}

.commission-title-row .commission-global-box {
  margin-bottom: 0;
  min-width: 360px;
  grid-template-columns: 170px auto;
  padding: 10px 12px;
}

.commission-title-row .commission-global-box label {
  gap: 5px;
}

.commission-title-row .commission-global-box input {
  padding: 8px 10px;
}

@media (max-width: 1100px) {
  .commission-title-row {
    grid-template-columns: 1fr;
  }

  .commission-title-row .commission-global-box {
    min-width: 0;
    grid-template-columns: 1fr;
  }
}

/* 优惠券修改/删除操作 */
.coupon-row {
  grid-template-columns: 1.5fr 0.8fr 1.2fr 0.8fr 0.8fr 130px;
}

.table-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

.table-edit-btn {
  border: 1px solid rgba(184, 138, 46, 0.3);
  background: #fffaf0;
  color: var(--gold);
  border-radius: 999px;
  padding: 6px 10px;
  cursor: pointer;
  font-size: 12px;
}

.table-edit-btn:hover {
  background: #fff3d6;
}

@media (max-width: 1100px) {
  .coupon-row {
    grid-template-columns: 1fr;
  }
}

/* 新增优惠券表单 */
.coupon-form-panel {
  display: none;
  margin: 14px 0 16px;
  padding: 16px;
  border-radius: 14px;
  border: 1px solid rgba(184, 138, 46, 0.28);
  background: #fffaf0;
}

.coupon-form-panel.active {
  display: block;
}

.coupon-form-panel h4 {
  margin-bottom: 14px;
  color: var(--gold);
}

.form-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 14px;
}

/* 订单管理筛选与导出 */
.order-row {
  grid-template-columns: 1.2fr 2fr 1fr 0.9fr 0.9fr 1.1fr;
}

.order-row.is-hidden {
  display: none;
}

@media (max-width: 1100px) {
  .order-row {
    grid-template-columns: 1fr;
  }
}

/* 活动详情：课程内容按时段录入 */
.course-schedule-fields {
  display: grid;
  gap: 12px;
  padding: 16px;
  border-radius: 14px;
  background: #fffaf0;
  border: 1px solid var(--border);
}

.course-schedule-fields h4 {
  color: var(--gold);
}

.course-schedule-fields textarea {
  min-height: 82px;
}

/* 首页轮播图动态配置 */
.banner-row {
  grid-template-columns: 130px 220px 1fr 70px;
}

.banner-row label small {
  display: block;
  margin-top: 4px;
  color: #a79a83;
  font-size: 11px;
  font-weight: 400;
}

@media (max-width: 1100px) {
  .banner-row {
    grid-template-columns: 1fr;
  }
}

/* 分润金额锁定：系统自动计算 */
.commission-amount[data-auto="true"],
.bind-commission[data-auto="true"] {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  padding: 5px 9px;
  border-radius: 999px;
  background: #fff7df;
  border: 1px solid rgba(184, 138, 46, 0.22);
  color: var(--gold);
  font-weight: 900;
}

.commission-amount[data-auto="true"]::after,
.bind-commission[data-auto="true"]::after {
  content: '自动';
  margin-left: 6px;
  font-size: 10px;
  color: #9a7a35;
  opacity: 0.78;
}

/* 后台总览公司内部经营指标 */
.stats-grid {
  grid-template-columns: repeat(5, minmax(150px, 1fr));
}

@media (max-width: 1200px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* 后台总览 5 个指标固定同一行 */
.stats-grid {
  grid-template-columns: repeat(5, 1fr) !important;
}

.stat-card {
  min-width: 0;
}

.stat-card strong {
  font-size: 26px;
  white-space: nowrap;
}

/* 后台管理权限 */
.admin-permission-box {
  display: grid;
  grid-template-columns: 58px 1fr auto;
  gap: 16px;
  align-items: center;
  padding: 18px;
  border-radius: 16px;
  background: #fffaf0;
  border: 1px solid var(--border);
}

.permission-icon {
  width: 58px;
  height: 58px;
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  color: #17130b;
  font-weight: 900;
  font-size: 22px;
}

.admin-permission-box h4 {
  margin-bottom: 6px;
  color: var(--text);
}

.admin-permission-box p,
.permission-note {
  color: var(--muted);
  line-height: 1.7;
  font-size: 13px;
}

.permission-note {
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: 12px;
  background: #fff;
  border: 1px solid var(--border);
}

@media (max-width: 1100px) {
  .admin-permission-box {
    grid-template-columns: 1fr;
  }
}

/* 客户信息修改入口 */
.customer-maintenance-box {
  margin-top: 16px;
  padding: 18px;
  border-radius: 16px;
  background: #fff;
  border: 1px solid var(--border);
}

.customer-maintenance-box h4 {
  margin-bottom: 6px;
  color: var(--gold);
}

.customer-maintenance-box p {
  color: var(--muted);
  line-height: 1.7;
  font-size: 13px;
  margin-bottom: 14px;
}

.customer-maintenance-form {
  display: grid;
  grid-template-columns: 1.2fr 1.2fr auto;
  gap: 12px;
  align-items: end;
}

@media (max-width: 1100px) {
  .customer-maintenance-form {
    grid-template-columns: 1fr;
  }
}

/* 活动心得分享后台管理 */
.experience-admin-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.experience-admin-panel {
  padding: 16px;
  border-radius: 16px;
  background: #fffaf0;
  border: 1px solid var(--border);
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.panel-head h4 {
  color: var(--gold);
}

.experience-list {
  display: grid;
  gap: 10px;
}

.experience-admin-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: start;
  padding: 12px;
  border-radius: 12px;
  background: #fff;
  border: 1px solid var(--border);
}

.experience-admin-item:has(input + input) {
  grid-template-columns: 1fr 1fr auto;
}

.experience-admin-item textarea {
  min-height: 80px;
}

@media (max-width: 1100px) {
  .experience-admin-grid,
  .experience-admin-item,
  .experience-admin-item:has(input + input) {
    grid-template-columns: 1fr;
  }
}

/* 活动心得分享：显示隐藏、置顶排序 */
.experience-actions {
  display: flex;
  gap: 8px;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
}

.experience-admin-item.is-hidden-experience {
  opacity: 0.48;
  background: #f6f2e9;
}

.experience-admin-item.is-hidden-experience::before {
  content: '已隐藏';
  color: #9a7a35;
  font-size: 12px;
  font-weight: 700;
}

.experience-admin-item.is-pinned-experience {
  box-shadow: 0 0 0 3px rgba(184, 138, 46, 0.18);
}

/* 活动管理新增表单 */
.activity-form-panel {
  display: none;
  margin: 16px 0;
  padding: 18px;
  border: 1px solid rgba(184, 138, 46, 0.24);
  border-radius: 18px;
  background: #fffaf0;
}

.activity-form-panel.active {
  display: block;
}

.activity-form-panel h3 {
  margin-bottom: 6px;
}

/* 数据库同步状态 */
.sync-status {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 10px;
  border-radius: 999px;
  background: rgba(201, 154, 74, 0.12);
  color: #7a5a16;
  font-size: 12px;
  white-space: nowrap;
}


/* 后台登录弹窗 */
.login-modal {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  background: rgba(12, 10, 8, 0.45);
  backdrop-filter: blur(4px);
}
.login-card {
  width: min(420px, calc(100vw - 40px));
  padding: 28px;
  border-radius: 22px;
  background: #fffaf0;
  border: 1px solid rgba(201, 154, 74, 0.28);
  box-shadow: 0 24px 80px rgba(52, 40, 16, 0.22);
}
.login-card h3 {
  margin: 0 0 8px;
  color: #1f1a13;
}
.login-card p {
  margin: 0 0 18px;
  color: #7a6a52;
  line-height: 1.7;
  font-size: 14px;
}
.login-card input {
  width: 100%;
  box-sizing: border-box;
  padding: 13px 14px;
  border-radius: 12px;
  border: 1px solid rgba(201, 154, 74, 0.35);
  background: #fff;
  outline: none;
}
.login-error {
  min-height: 20px;
  margin-top: 10px;
  color: #b42318;
  font-size: 13px;
}
.login-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 12px;
}