/* ===== 基础重置 ===== */
* { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --primary: #4f6ef2;
  --primary-dark: #3b57d6;
  --danger: #f04b4b;
  --success: #22b573;
  --warning: #f5a623;
  --text: #26303e;
  --text-light: #7a8599;
  --bg: #f5f6fa;
  --border: #e6e9f0;
  --card: #ffffff;
  --sidebar: #1f2b3a;
}
html, body { height: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background: var(--bg);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; }
ul { list-style: none; }

/* ===== 布局 ===== */
.app-layout { display: flex; min-height: 100vh; }
.sidebar { width: 224px; background: var(--sidebar); color: #cfd8e3; flex-shrink: 0; }
.sidebar .brand { padding: 20px 18px; font-size: 18px; font-weight: 700; color: #fff; border-bottom: 1px solid rgba(255,255,255,.08); }
.sidebar .menu a { display: block; padding: 13px 22px; color: #b7c1cf; cursor: pointer; transition: .15s; }
.sidebar .menu a:hover { color: #fff; background: rgba(255,255,255,.06); }
.sidebar .menu a.active { color: #fff; background: var(--primary); }
.content { flex: 1; padding: 24px; overflow-x: auto; min-width: 0; }

/* ===== 卡片 ===== */
.card { background: var(--card); border-radius: 12px; box-shadow: 0 2px 10px rgba(0,0,0,.04); padding: 20px; margin-bottom: 18px; }
.card-title { font-size: 16px; font-weight: 700; margin-bottom: 16px; }

/* 统计卡片 */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 14px; }
.stat-card { background: var(--card); border-radius: 12px; padding: 18px; box-shadow: 0 2px 10px rgba(0,0,0,.04); }
.stat-card .label { color: var(--text-light); font-size: 13px; }
.stat-card .value { font-size: 26px; font-weight: 700; margin-top: 6px; }
.stat-card .value.green { color: var(--success); }
.stat-card .value.blue { color: var(--primary); }
.stat-card .value.orange { color: var(--warning); }

/* ===== 按钮 ===== */
.btn { display: inline-flex; align-items: center; justify-content: center; border: none; border-radius: 8px;
  padding: 10px 18px; font-size: 15px; cursor: pointer; transition: .15s; background: #eef1f6; color: var(--text); }
.btn:hover { opacity: .9; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-success { background: var(--success); color: #fff; }
.btn-ghost { background: transparent; border: 1px solid var(--border); }
.btn-block { width: 100%; }
.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* ===== 表单 ===== */
.input, .select, .textarea { width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px;
  font-size: 14px; background: #fff; color: var(--text); outline: none; transition: .15s; }
.input:focus, .select:focus, .textarea:focus { border-color: var(--primary); }
.textarea { resize: vertical; min-height: 80px; }
.form-item { margin-bottom: 14px; }
.form-item label { display: block; margin-bottom: 6px; color: var(--text-light); font-size: 13px; }
.form-row { display: flex; gap: 12px; }
.form-row > * { flex: 1; }

/* ===== 表格 ===== */
.table-wrap { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { padding: 12px 10px; text-align: left; border-bottom: 1px solid var(--border); white-space: nowrap; }
.table th { color: var(--text-light); font-weight: 600; font-size: 13px; background: #fafbfd; }
.table tr:hover td { background: #fafbff; }

/* 订单列表 (总后台 / 代理商后台) —— 简洁、居中、协调 */
.order-table { border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
.order-table thead th {
  background: #f5f7fa;
  color: #4a5468;
  font-weight: 600;
  font-size: 13px;
  padding: 14px 12px;
  text-align: center;
  border-bottom: 1px solid var(--border);
}
.order-table tbody td {
  padding: 13px 12px;
  font-size: 13.5px;
  text-align: center;
  color: #3a4256;
}
.order-table tbody tr:nth-child(even) td { background: #fafbfc; }
.order-table tbody tr:last-child td { border-bottom: none; }
.order-table .order-sn { font-family: monospace; color: #5a6478; }
.order-table .amt { font-weight: 600; color: #333c4d; }

/* ===== 分页 ===== */
.pagination { display: flex; align-items: center; gap: 8px; margin-top: 16px; flex-wrap: wrap; }
.pagination button { padding: 6px 12px; border: 1px solid var(--border); background: #fff; border-radius: 6px; cursor: pointer; }
.pagination button.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.pagination button:disabled { opacity: .4; cursor: not-allowed; }

/* ===== 徽章 ===== */
.badge { display: inline-block; padding: 2px 8px; border-radius: 20px; font-size: 12px; }
.badge-blue { background: #e8edff; color: var(--primary); }
.badge-green { background: #e3f8ee; color: var(--success); }
.badge-orange { background: #fff3e0; color: var(--warning); }

/* ===== Toast ===== */
.toast { position: fixed; top: 20px; left: 50%; transform: translateX(-50%) translateY(-20px);
  background: rgba(30,35,45,.94); color: #fff; padding: 10px 20px; border-radius: 8px; font-size: 14px;
  opacity: 0; transition: .25s; z-index: 9999; max-width: 80vw; }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast-error { background: rgba(240,75,75,.96); }
.toast-success { background: rgba(34,181,115,.96); }

/* ===== 弹窗 ===== */
.modal-mask { position: fixed; inset: 0; background: rgba(20,24,34,.55); display: flex; align-items: center; justify-content: center;
  z-index: 9998; padding: 16px; }
.modal-box { background: #fff; border-radius: 14px; padding: 24px; width: 100%; max-width: 440px; max-height: 86vh; overflow-y: auto;
  animation: pop .2s ease; }
.modal-mask.closing { opacity: 0; transition: .2s; }
@keyframes pop { from { transform: scale(.92); opacity: .4; } to { transform: scale(1); opacity: 1; } }
.modal-title { font-size: 18px; font-weight: 700; margin-bottom: 14px; }

/* ===== 响应式 ===== */
@media (max-width: 768px) {
  .app-layout { flex-direction: column; }
  .sidebar { width: 100%; }
  .sidebar .menu { display: flex; overflow-x: auto; }
  .sidebar .menu a { white-space: nowrap; padding: 12px 16px; }
  .content { padding: 14px; }
  .form-row { flex-direction: column; }
}