/* 🍃 鲜果优选 · 清新风格 */
:root {
  --green-900: #1a3c2e;
  --green-700: #2e7d5b;
  --green-500: #43a878;
  --green-100: #e3f5ec;
  --green-50: #f2faf6;
  --cream: #fdfbf7;
  --orange: #ff9f43;
  --red: #ff6b6b;
  --text: #2d3a34;
  --muted: #7a8c83;
  --radius: 18px;
  --shadow: 0 4px 20px rgba(46, 125, 91, 0.10);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", -apple-system, sans-serif;
  background: linear-gradient(160deg, var(--green-50) 0%, var(--cream) 60%, #fff7ed 100%);
  color: var(--text);
  min-height: 100vh;
}
.container { max-width: 1080px; margin: 0 auto; padding: 24px 20px 60px; }

/* 顶栏 */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 0 22px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand .logo {
  width: 48px; height: 48px; border-radius: 14px;
  background: linear-gradient(135deg, var(--green-500), var(--green-700));
  display: flex; align-items: center; justify-content: center;
  font-size: 26px; box-shadow: var(--shadow);
}
.brand h1 { font-size: 21px; color: var(--green-900); letter-spacing: 1px; }
.brand .sub { font-size: 12px; color: var(--muted); margin-top: 2px; }
.nav { display: flex; gap: 10px; }
.nav a {
  text-decoration: none; color: var(--green-700); font-size: 14px;
  padding: 8px 16px; border-radius: 999px; background: #fff;
  border: 1px solid var(--green-100); transition: all .2s;
}
.nav a:hover, .nav a.active { background: var(--green-500); color: #fff; border-color: var(--green-500); }

.badge {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; color: var(--green-700);
  background: var(--green-100); padding: 4px 12px; border-radius: 999px;
}

/* 卡片 */
.card {
  background: #fff; border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 22px;
}
.card h2 { font-size: 16px; color: var(--green-900); margin-bottom: 16px; display: flex; align-items: center; gap: 8px; }

/* 收银台布局 */
.layout { display: grid; grid-template-columns: 1.6fr 1fr; gap: 20px; align-items: start; }
@media (max-width: 860px) { .layout { grid-template-columns: 1fr; } }

/* 商品网格 */
.menu-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; }
.fruit {
  border: 1.5px solid var(--green-100); border-radius: 14px;
  padding: 14px 12px; cursor: pointer; transition: all .15s; background: var(--green-50);
  text-align: center; user-select: none; position: relative;
}
.fruit:hover { border-color: var(--green-500); transform: translateY(-2px); }
.fruit.selected { border-color: var(--green-500); background: var(--green-100); }
.fruit .emoji { font-size: 34px; }
.fruit .name { font-size: 14px; margin-top: 6px; font-weight: 600; }
.fruit .price { font-size: 13px; color: var(--orange); margin-top: 2px; font-weight: 700; }
.fruit .price small { color: var(--muted); font-weight: 400; }
.fruit .qty-tag {
  position: absolute; top: -8px; right: -8px;
  background: var(--orange); color: #fff; font-size: 12px; font-weight: 700;
  min-width: 24px; height: 24px; border-radius: 999px;
  display: flex; align-items: center; justify-content: center; padding: 0 6px;
  box-shadow: 0 2px 8px rgba(255,159,67,.4);
}

/* 购物清单 */
.cart-line { display: flex; align-items: center; justify-content: space-between; padding: 9px 0; border-bottom: 1px dashed var(--green-100); font-size: 14px; }
.cart-line .n { flex: 1; }
.stepper { display: flex; align-items: center; gap: 8px; }
.stepper button {
  width: 26px; height: 26px; border-radius: 8px; border: none; cursor: pointer;
  background: var(--green-100); color: var(--green-700); font-size: 16px; font-weight: 700;
}
.stepper button:hover { background: var(--green-500); color: #fff; }
.stepper .q { min-width: 22px; text-align: center; font-weight: 600; }
.cart-line .sub { width: 70px; text-align: right; color: var(--orange); font-weight: 700; }
.empty-cart { color: var(--muted); font-size: 13px; text-align: center; padding: 24px 0; }

.custom-amount { display: flex; align-items: center; gap: 10px; margin-top: 14px; }
.custom-amount input {
  flex: 1; border: 1.5px solid var(--green-100); border-radius: 10px;
  padding: 9px 12px; font-size: 14px; outline: none;
}
.custom-amount input:focus { border-color: var(--green-500); }

.total-row { display: flex; justify-content: space-between; align-items: baseline; margin: 16px 0 14px; }
.total-row .label { font-size: 14px; color: var(--muted); }
.total-row .amount { font-size: 30px; font-weight: 800; color: var(--green-700); }
.total-row .amount::before { content: "¥"; font-size: 17px; margin-right: 2px; }

.btn {
  display: block; width: 100%; border: none; cursor: pointer;
  background: linear-gradient(135deg, var(--green-500), var(--green-700));
  color: #fff; font-size: 16px; font-weight: 700; letter-spacing: 2px;
  padding: 14px; border-radius: 14px; transition: all .2s;
  box-shadow: 0 6px 18px rgba(46,125,91,.25);
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 8px 24px rgba(46,125,91,.35); }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none; }
.btn.ghost { background: #fff; color: var(--green-700); border: 1.5px solid var(--green-100); box-shadow: none; }

/* 二维码弹层 */
.overlay {
  position: fixed; inset: 0; background: rgba(26,60,46,.45);
  display: flex; align-items: center; justify-content: center; z-index: 50;
  backdrop-filter: blur(3px);
}
.qr-card {
  background: #fff; border-radius: 22px; padding: 30px 34px; text-align: center;
  width: min(92vw, 380px); box-shadow: 0 20px 60px rgba(0,0,0,.2);
  animation: pop .25s ease; position: relative;
}
.x-close {
  position: absolute; top: 12px; right: 12px;
  width: 32px; height: 32px; border: none; border-radius: 999px; cursor: pointer;
  background: var(--green-50); color: var(--muted); font-size: 18px; line-height: 1;
  display: flex; align-items: center; justify-content: center; transition: all .15s;
}
.x-close:hover { background: var(--green-100); color: var(--green-900); }
@keyframes pop { from { transform: scale(.92); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.qr-card .amt { font-size: 36px; font-weight: 800; color: var(--green-700); margin: 6px 0 4px; }
.qr-card .amt::before { content: "¥"; font-size: 20px; }
.qr-card img { width: 230px; height: 230px; border-radius: 12px; border: 1px solid var(--green-100); margin: 12px 0; }
.qr-card .tip { font-size: 13px; color: var(--muted); }
.qr-card .status-paid { font-size: 20px; color: var(--green-500); font-weight: 700; margin: 14px 0; }
.qr-card .close { margin-top: 16px; }

/* 表格（订单管理） */
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; color: var(--muted); font-weight: 600; padding: 10px 12px; border-bottom: 2px solid var(--green-100); font-size: 13px; }
td { padding: 12px; border-bottom: 1px solid var(--green-50); }
tr:hover td { background: var(--green-50); }
.status { font-size: 12px; padding: 3px 10px; border-radius: 999px; font-weight: 600; }
.status.paid { background: var(--green-100); color: var(--green-700); }
.status.pending { background: #fff3e0; color: var(--orange); }
.status.cancelled { background: #f1f3f2; color: var(--muted); }

/* 统计卡 */
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 20px; }
@media (max-width: 640px) { .stats { grid-template-columns: 1fr; } }
.stat { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); padding: 20px 22px; }
.stat .v { font-size: 28px; font-weight: 800; color: var(--green-700); margin-top: 6px; }
.stat .k { font-size: 13px; color: var(--muted); }

/* 顾客支付页 */
.pay-wrap { max-width: 420px; margin: 40px auto; padding: 0 16px; }
.pay-card { background: #fff; border-radius: 24px; box-shadow: var(--shadow); padding: 32px 28px; text-align: center; }
.pay-card .shop { font-size: 15px; color: var(--muted); margin-bottom: 4px; }
.pay-card .big-amt { font-size: 44px; font-weight: 800; color: var(--green-900); margin: 10px 0; }
.pay-card .big-amt::before { content: "¥"; font-size: 24px; }
.pay-lines { text-align: left; background: var(--green-50); border-radius: 14px; padding: 14px 16px; margin: 18px 0; font-size: 14px; }
.pay-lines .l { display: flex; justify-content: space-between; padding: 5px 0; }
.success-icon { font-size: 64px; margin: 16px 0; }