:root {
  --bg: #f5f6f8;
  --surface: #ffffff;
  --border: #e3e6ea;
  --text: #1f2329;
  --muted: #6b7280;
  --primary: #07c160;
  --primary-dark: #06ad56;
  --danger: #d93026;
  --warn-bg: #fff7e6;
  --warn-border: #ffd591;
  --info-bg: #eef6ff;
  --info-border: #b6d8ff;
  --error-bg: #fff1f0;
  --error-border: #ffa39e;
  --radius: 12px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
        "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

a { color: var(--primary-dark); }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 20px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand { font-size: 17px; font-weight: 600; color: var(--text); text-decoration: none; }
.nav a { margin-left: 14px; color: var(--muted); text-decoration: none; }
.nav a:hover { color: var(--primary); }

.container { max-width: 900px; margin: 0 auto; padding: 20px 16px 48px; }

.hero h1 { margin: 0 0 6px; font-size: 26px; }
.hero p { margin: 0 0 20px; }
.muted { color: var(--muted); }
.small { font-size: 13px; }

/* ---------- 布局 ---------- */
.row { display: flex; flex-wrap: wrap; gap: 14px; align-items: flex-end; }
.row-tight { gap: 10px; align-items: center; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 16px;
}

.card h2 { margin: 0 0 12px; font-size: 16px; font-weight: 600; }
.card h1 { margin: 0; font-size: 20px; }

/* ---------- 表单 ---------- */
.form { display: flex; flex-direction: column; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 6px; flex: 1 1 180px; }
.field > span { font-size: 13px; color: var(--muted); }
.field input[type="text"],
.field input[type="number"],
.field input[type="file"],
.field input[type="password"],
.field select {
  padding: 9px 11px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  background: #fff;
  width: 100%;
}
.field input:focus, .field select:focus { outline: 2px solid var(--primary); outline-offset: -1px; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  border: 0;
  border-radius: 8px;
  padding: 10px 18px;
  font-size: 15px;
  cursor: pointer;
  text-decoration: none;
  text-align: center;
}
.btn:hover { background: var(--primary-dark); }
.btn[disabled] { opacity: .5; cursor: not-allowed; }
.btn-sm { padding: 7px 13px; font-size: 13px; }
.btn-ghost { background: #eef0f3; color: var(--text); }
.btn-ghost:hover { background: #e2e5e9; }
.inline-form { display: inline-block; margin-top: 10px; }

/* ---------- 表格 ---------- */
.table { width: 100%; border-collapse: collapse; margin-bottom: 12px; font-size: 14px; }
.table th, .table td { padding: 8px 10px; border-bottom: 1px solid var(--border); text-align: left; }
.table th { color: var(--muted); font-weight: 500; font-size: 13px; }
.table td.ellipsis { max-width: 220px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.kv { display: grid; grid-template-columns: auto 1fr; gap: 6px 14px; margin: 0; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; }

/* ---------- 订单 ---------- */
.order-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; }
.pickup { text-align: right; }
.pickup-code { display: block; font-size: 30px; letter-spacing: 4px; color: var(--primary-dark); }

.item {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
  margin-bottom: 14px;
  background: #fbfcfd;
}
.item-head { display: flex; justify-content: space-between; gap: 12px; margin-bottom: 10px; flex-wrap: wrap; }
.item .row { margin-bottom: 12px; }

.total {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  flex-wrap: wrap;
  border-top: 1px solid var(--border);
  padding-top: 12px;
}
.amount { font-size: 22px; color: var(--danger); }

/* ---------- 状态 ---------- */
.status-block { margin-top: 6px; }
.status-line { display: flex; gap: 12px; align-items: baseline; flex-wrap: wrap; }
.progress { display: flex; gap: 6px; margin: 10px 0; }
.dot { width: 26px; height: 6px; border-radius: 3px; background: #e2e5e9; display: inline-block; }
.dot.on { background: var(--primary); }
.state-failed .dot.on, .state-cancelled .dot.on { background: var(--danger); }

/* ---------- 提示 ---------- */
.alert {
  display: flex;
  flex-direction: column;
  gap: 2px;
  border-radius: var(--radius);
  padding: 12px 16px;
  margin-bottom: 16px;
  border: 1px solid;
}
.alert-warn { background: var(--warn-bg); border-color: var(--warn-border); }
.alert-info { background: var(--info-bg); border-color: var(--info-border); }
.alert-error { background: var(--error-bg); border-color: var(--error-border); }

code {
  background: #eef0f3;
  border-radius: 5px;
  padding: 1px 6px;
  font-size: 13px;
}
code.wrap { display: inline-block; word-break: break-all; }

/* ---------- 支付 ---------- */
.pay-card { text-align: center; }
.pay-card .amount { font-size: 34px; }
.qr { margin: 16px auto; display: block; border: 1px solid var(--border); border-radius: 10px; padding: 8px; background: #fff; }

/* ---------- 页脚 ---------- */
.footer {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  max-width: 900px;
  margin: 0 auto;
  padding: 16px;
  color: var(--muted);
  font-size: 13px;
}

.roadmap { margin: 0; padding-left: 20px; color: var(--muted); }
.roadmap li.done { color: var(--primary-dark); font-weight: 600; }

/* ---------- 管理后台（P4） ---------- */
.admin-nav { display: inline-flex; align-items: center; flex-wrap: wrap; gap: 2px; }
.admin-nav a { margin-left: 12px; }
.admin-nav form { display: inline; margin-left: 12px; }
.admin-nav .btn { padding: 5px 12px; font-size: 13px; }

.admin-login { max-width: 420px; margin: 32px auto; }

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 14px;
  margin-bottom: 16px;
}
.stat-card {
  display: flex;
  flex-direction: column;
  gap: 2px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
}
.stat-card strong { font-size: 22px; line-height: 1.25; }

.badge {
  display: inline-block;
  padding: 1px 8px;
  border-radius: 999px;
  background: #eef0f3;
  color: var(--muted);
  font-size: 12px;
  white-space: nowrap;
}
.badge-ok { background: #e7f8ee; color: var(--primary-dark); }
.badge-warn { background: var(--warn-bg); color: #ad6800; }
.badge-error { background: var(--error-bg); color: var(--danger); }

.admin-table-wrap { overflow-x: auto; }
.admin-filter { align-items: flex-end; }
.field-narrow { flex: 0 1 140px; }

.admin-actions { align-items: center; gap: 8px; }
.admin-actions form { display: inline-flex; align-items: center; gap: 6px; margin: 0; }
.admin-actions input[type="text"] {
  width: 180px;
  padding: 7px 9px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 13px;
}

.admin-pager { display: flex; gap: 10px; align-items: center; margin-top: 8px; }

.table input[type="text"],
.table input[type="number"] {
  width: 100%;
  min-width: 90px;
  padding: 6px 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  background: #fff;
}

.identity-note {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 4px;
}

/* ---------- 打印预览 ---------- */
.preview-item { margin-bottom: 20px; }
.preview-img {
  display: block;
  max-width: 100%;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
}
.preview-embed {
  display: block;
  width: 100%;
  height: 420px;
  border: 1px solid var(--border);
  border-radius: 8px;
}
.field-check { flex-direction: row; align-items: center; gap: 8px; }
.field-check input[type="checkbox"] { width: auto; }

/* ---------- 小程序支付入口 ---------- */
.wxa-pay { margin: 8px 0; }
.wxa-qrcode {
  display: block;
  width: 240px;
  height: 240px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
}

/* ---------- 手机适配 ----------
   手机上字被挤成两行基本都出在「一行塞了太多东西」：
   字段、按钮、状态标签互相抢宽度。窄屏下让它们各占一行。 */
@media (max-width: 560px) {
  .container { padding: 12px; }
  .card { padding: 14px; margin-bottom: 12px; }

  .topbar {
    flex-wrap: wrap;
    gap: 8px;
    padding: 10px 12px;
  }
  .nav { flex-wrap: wrap; gap: 4px; }
  .nav a { font-size: 13px; padding: 4px 6px; }

  /* 每个字段独占一行，标签和输入框不再互相挤 */
  .field,
  .field-narrow { flex: 1 1 100%; }

  /* 按钮文字一律不许折行 */
  .btn,
  button { white-space: nowrap; }

  .row { gap: 10px; }
  .item-head { flex-direction: column; gap: 4px; }
  .status-line { gap: 6px; }

  table.table { font-size: 12px; }
  .admin-table-wrap { overflow-x: auto; }

  /* .grid 默认 minmax(260px) 在手机上会硬撑两列，直接单列省心 */
  .grid { grid-template-columns: 1fr; }

  /* 「键: 值」两列布局在窄屏会把值挤到第二行，改成竖排 */
  .kv { grid-template-columns: 1fr; gap: 2px 0; }
  .kv dt { margin-top: 6px; }

  .hero h1 { font-size: 20px; }
  .hero p { font-size: 14px; }
  .status-block { padding: 12px; }
  .amount { font-size: 22px; }

  /* 订单号、文件名这类长串不许把卡片撑破 */
  code,
  .order-no,
  .item-name { word-break: break-all; }

  /* 二维码在窄屏上跟着容器缩 */
  .wxa-qrcode,
  .preview-img { width: 100%; max-width: 240px; height: auto; }
}