:root {
  --primary: #2d6a4f;
  --primary-light: #40916c;
  --primary-dark: #1b4332;
  --accent-green: #52b788;
  --accent-orange: #e07a5f;
  --bg: #f5f7f5;
  --card: #ffffff;
  --text: #1d1d1d;
  --text-secondary: #666;
  --border: #e0e4e0;
  --radius: 10px;
  --shadow: 0 2px 12px rgba(0,0,0,.06);
  --header-h: 52px;
  --sidebar-w: 200px;
  --bottom-nav-h: 56px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
}

.hidden { display: none !important; }

/* 登录 */
#login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1b4332 0%, #40916c 100%);
  padding: 20px;
}

.login-card {
  background: var(--card);
  border-radius: 16px;
  padding: 40px 32px;
  width: 100%;
  max-width: 380px;
  box-shadow: 0 8px 32px rgba(0,0,0,.15);
  text-align: center;
}

.login-logo { font-size: 48px; margin-bottom: 8px; }
.login-card h1 { font-size: 22px; color: var(--primary-dark); margin-bottom: 4px; }
.subtitle { color: var(--text-secondary); font-size: 13px; margin-bottom: 28px; }

/* 表单 */
.form-group { margin-bottom: 16px; text-align: left; }
.form-group label { display: block; font-size: 13px; color: var(--text-secondary); margin-bottom: 4px; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 15px;
  outline: none;
  transition: border .2s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--primary-light);
}
.form-row { display: flex; gap: 12px; flex-wrap: wrap; }
.flex-1 { flex: 1; min-width: 160px; }

/* 按钮 */
.btn {
  padding: 10px 20px;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  cursor: pointer;
  transition: all .2s;
  white-space: nowrap;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-light); }
.btn-block { width: 100%; }
.btn-text { background: none; color: var(--text-secondary); padding: 6px 10px; }
.btn-text:hover { color: var(--primary); }
.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn-danger { background: #e63946; color: #fff; }
.btn-outline { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }

/* 头部 */
.header {
  position: fixed; top: 0; left: 0; right: 0; height: var(--header-h);
  background: var(--primary-dark); color: #fff;
  display: flex; align-items: center; padding: 0 16px; z-index: 100;
}
.menu-toggle {
  display: none; background: none; border: none; color: #fff;
  font-size: 22px; cursor: pointer; margin-right: 12px;
}
.header-title { font-size: 16px; font-weight: 600; }
.header-user { margin-left: auto; font-size: 13px; opacity: .85; margin-right: 8px; }

/* 布局 */
.layout { display: flex; padding-top: var(--header-h); min-height: 100vh; }

.sidebar {
  position: fixed; top: var(--header-h); left: 0; bottom: 0;
  width: var(--sidebar-w); background: var(--card);
  border-right: 1px solid var(--border);
  padding: 12px 0; overflow-y: auto; z-index: 90;
  transition: transform .3s;
}

.nav-item {
  display: block; padding: 12px 20px; color: var(--text);
  text-decoration: none; font-size: 14px; transition: all .2s;
}
.nav-item:hover { background: #f0f4f0; color: var(--primary); }
.nav-item.active {
  background: #e8f5e9; color: var(--primary);
  border-right: 3px solid var(--primary); font-weight: 600;
}

.main-content {
  margin-left: var(--sidebar-w); flex: 1;
  padding: 20px; max-width: 960px;
  width: 100%;
}

/* 手机底部导航 */
.bottom-nav {
  display: none;
  position: fixed;
  left: 0; right: 0; bottom: 0;
  height: var(--bottom-nav-h);
  background: var(--card);
  border-top: 1px solid var(--border);
  z-index: 110;
  box-shadow: 0 -2px 10px rgba(0,0,0,.06);
}
.bottom-nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 11px;
  gap: 2px;
  padding: 4px 0;
}
.bottom-nav-item.active { color: var(--primary); font-weight: 600; }
.bottom-nav-icon { font-size: 20px; line-height: 1; }

/* 更多菜单浮层 */
.more-menu {
  position: fixed;
  left: 0; right: 0; bottom: var(--bottom-nav-h);
  background: var(--card);
  border-top: 1px solid var(--border);
  padding: 8px 0;
  z-index: 105;
  box-shadow: 0 -4px 16px rgba(0,0,0,.08);
}
.more-menu a {
  display: block;
  padding: 14px 20px;
  color: var(--text);
  text-decoration: none;
  font-size: 15px;
  border-bottom: 1px solid #f0f0f0;
}
.more-menu a:hover, .more-menu a.active { background: #f0f7f2; color: var(--primary); }

.content-page h2 { font-size: 20px; margin-bottom: 16px; color: var(--primary-dark); }
.page-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; flex-wrap: wrap; gap: 8px; }
.page-header h2 { margin-bottom: 0; }

/* 统计卡片 */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; margin-bottom: 20px; }
.stat-card {
  background: var(--card); border-radius: var(--radius); padding: 20px;
  box-shadow: var(--shadow); border-left: 4px solid var(--primary);
}
.stat-card.accent-green { border-left-color: var(--accent-green); }
.stat-card.accent-orange { border-left-color: var(--accent-orange); }
.stat-label { font-size: 13px; color: var(--text-secondary); }
.stat-value { font-size: 26px; font-weight: 700; margin-top: 4px; color: var(--primary-dark); }

.quick-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.quick-btn {
  flex: 1; min-width: 120px; padding: 16px; background: var(--card);
  border: 1px solid var(--border); border-radius: var(--radius);
  font-size: 14px; cursor: pointer; transition: all .2s; color: var(--primary);
}
.quick-btn:hover { border-color: var(--primary); background: #f0f7f2; }

/* 面板 */
.panel {
  background: var(--card); border-radius: var(--radius);
  padding: 16px; margin-bottom: 16px; box-shadow: var(--shadow);
}
.panel h3 { font-size: 15px; margin-bottom: 12px; color: var(--text); }

/* 会员选择 */
.member-picker { display: flex; flex-wrap: wrap; gap: 8px; max-height: 200px; overflow-y: auto; margin-top: 8px; }
.member-chip {
  padding: 8px 14px; border: 1px solid var(--border); border-radius: 20px;
  font-size: 13px; cursor: pointer; transition: all .2s; background: #fff;
}
.member-chip:hover { border-color: var(--primary); }
.member-chip.selected { background: var(--primary); color: #fff; border-color: var(--primary); }

.selected-member {
  margin-top: 12px; padding: 12px; background: #f0f7f2;
  border-radius: 8px; font-size: 14px;
}
.selected-member strong { color: var(--primary-dark); }

/* 套餐网格 */
.package-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 10px; }
.package-card {
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 14px; text-align: center; cursor: pointer; transition: all .2s;
  position: relative;
}
.package-card:hover { border-color: var(--primary-light); }
.package-card.selected { border-color: var(--primary); background: #f0f7f2; }
.package-card.disabled { opacity: .5; pointer-events: none; }
.package-name { font-size: 14px; font-weight: 600; margin-bottom: 4px; }
.package-price { color: var(--accent-orange); font-size: 16px; font-weight: 700; }
.package-qty {
  margin-top: 8px; display: flex; align-items: center; justify-content: center; gap: 8px;
}
.package-qty button {
  width: 28px; height: 28px; border: 1px solid var(--border);
  border-radius: 50%; background: #fff; cursor: pointer; font-size: 16px;
}
.package-qty span { min-width: 20px; text-align: center; font-weight: 600; }

.checkout-summary {
  display: flex; justify-content: space-between; align-items: center;
  margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--border);
  flex-wrap: wrap; gap: 10px;
}
.checkout-summary strong { font-size: 22px; color: var(--accent-orange); }

/* 充值规则 */
.rule-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 10px; }
.rule-card {
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px; text-align: center; cursor: pointer; transition: all .2s;
}
.rule-card:hover { border-color: var(--primary); background: #f0f7f2; }
.rule-card.disabled { opacity: .4; pointer-events: none; }
.rule-name { font-weight: 600; font-size: 15px; }
.rule-desc { font-size: 12px; color: var(--text-secondary); margin-top: 4px; }
.rule-card.selected { border-color: var(--primary); background: #f0f7f2; box-shadow: inset 0 0 0 1px var(--primary); }

/* 确认面板 */
.confirm-panel {
  margin-top: 16px;
  padding: 16px;
  background: #f0f7f2;
  border: 1px solid var(--primary-light);
  border-radius: var(--radius);
}
.confirm-summary { font-size: 14px; line-height: 1.8; margin-bottom: 12px; }
.confirm-summary strong { color: var(--primary-dark); }
.confirm-actions { display: flex; gap: 10px; justify-content: flex-end; }
.confirm-row { display: flex; justify-content: space-between; padding: 4px 0; }
.page-desc { font-size: 13px; color: var(--text-secondary); margin: -8px 0 16px; }
.checkbox-label { display: flex; align-items: center; gap: 8px; cursor: pointer; font-size: 14px; }
.checkbox-label input { width: auto; }
.discount-info {
  margin-top: 12px; padding: 10px 12px; background: #fff8e1;
  border-radius: 8px; font-size: 13px; color: #795548;
}
.checkout-amounts { display: flex; flex-direction: column; gap: 4px; }
.checkout-amounts #checkout-original-wrap { font-size: 13px; color: var(--text-secondary); text-decoration: line-through; }

/* Tab */
.tab-bar { display: flex; gap: 0; margin-bottom: 16px; border-bottom: 1px solid var(--border); }
.tab {
  padding: 10px 20px; background: none; border: none; cursor: pointer;
  font-size: 14px; color: var(--text-secondary); border-bottom: 2px solid transparent;
}
.tab.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 600; }

/* 数据列表 */
.data-list { display: flex; flex-direction: column; gap: 8px; }
.data-item {
  background: var(--card); border-radius: var(--radius); padding: 14px 16px;
  box-shadow: var(--shadow); display: flex; justify-content: space-between;
  align-items: center; flex-wrap: wrap; gap: 8px;
}
.data-item-main { flex: 1; min-width: 160px; }
.data-item-title { font-weight: 600; font-size: 15px; }
.data-item-sub { font-size: 13px; color: var(--text-secondary); margin-top: 2px; }
.data-item-actions { display: flex; gap: 6px; flex-wrap: wrap; }
.data-item-price { font-size: 16px; font-weight: 700; color: var(--accent-orange); }
.data-item-balance { color: var(--primary); font-weight: 600; }
.tag {
  display: inline-block; padding: 2px 8px; border-radius: 4px;
  font-size: 12px; background: #e8f5e9; color: var(--primary);
}
.tag-off { background: #fce4ec; color: #c62828; }

/* 弹窗：未加 .show 时强制隐藏 */
.modal {
  position: fixed; inset: 0; z-index: 9999;
  display: none !important;
  align-items: center; justify-content: center;
  padding: 16px;
  pointer-events: none;
  visibility: hidden;
}
.modal.show {
  display: flex !important;
  pointer-events: auto;
  visibility: visible;
}
.modal-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,.5); }
.modal-box {
  position: relative; background: var(--card); border-radius: 12px;
  width: 100%; max-width: 420px; max-height: 90vh; overflow-y: auto;
  box-shadow: 0 8px 32px rgba(0,0,0,.2);
}
.modal-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 20px; border-bottom: 1px solid var(--border);
}
.modal-header h3 { font-size: 16px; }
.modal-close { background: none; border: none; font-size: 24px; cursor: pointer; color: var(--text-secondary); }
.modal-body { padding: 20px; }
.modal-footer { padding: 12px 20px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 8px; }

/* Toast */
.toast {
  position: fixed; top: 70px; left: 50%; transform: translateX(-50%);
  background: rgba(0,0,0,.78); color: #fff; padding: 10px 24px;
  border-radius: 8px; font-size: 14px; z-index: 300; transition: opacity .3s;
}
.toast.error { background: rgba(230,57,70,.92); }

/* 移动端适配 */
@media (max-width: 768px) {
  .menu-toggle { display: block; }
  .sidebar {
    transform: translateX(-100%);
    box-shadow: 2px 0 12px rgba(0,0,0,.1);
    bottom: var(--bottom-nav-h);
  }
  .sidebar.open { transform: translateX(0); }
  .main-content {
    margin-left: 0;
    padding: 14px 14px calc(var(--bottom-nav-h) + 14px);
  }
  .bottom-nav { display: flex; }
  .header-user { display: none; }
  .stats-grid { grid-template-columns: 1fr; }
  .package-grid { grid-template-columns: repeat(2, 1fr); }
  .rule-grid { grid-template-columns: 1fr 1fr; }
  .data-item { flex-direction: column; align-items: flex-start; }
  .checkout-summary { flex-direction: column; align-items: stretch; }
  .checkout-summary .btn { width: 100%; }
}

@media (max-width: 380px) {
  .rule-grid { grid-template-columns: 1fr; }
  .package-grid { grid-template-columns: 1fr; }
}