/* ==========================================================================
   拾光小馆 · 小程序功能演示包 — 共用样式
   M1 交易包 / 纯静态 / 无外部依赖
   命名约定：mp=手机容器  nav=顶栏  tabbar=底栏  bar=底部固定操作条
   ========================================================================== */

:root {
  /* 文字 */
  --ink: #221d19;
  --ink2: #5e544c;
  --ink3: #9c9087;
  --ink4: #c4b9b0;

  /* 线条与底 */
  --line: #ede5dd;
  --line2: #f5efe9;
  --bg: #f7f3ee;
  --card: #fff;

  /* 品牌：暖橙（餐饮） */
  --brand: #e0632c;
  --brand2: #f2914a;
  --brandInk: #b44c1c;
  --brandSoft: #fcefe6;

  --gold: #c08a3e;
  --green: #2e9e6b;
  --greenSoft: #e8f6ef;
  --red: #d94a3d;

  --r-sm: 10px;
  --r: 14px;
  --r-lg: 20px;

  --sh: 0 1px 2px rgba(34, 29, 25, .04), 0 6px 20px rgba(34, 29, 25, .055);
  --sh-up: 0 -1px 0 var(--line), 0 -8px 24px rgba(34, 29, 25, .06);

  --nav-h: 44px;
  --bar-h: 58px;
}

*,
*::before,
*::after { box-sizing: border-box; }

html,
body { height: 100%; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Noto Sans SC", sans-serif;
  font-size: 15px;
  line-height: 1.45;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
}

img { display: block; max-width: 100%; }
button { font: inherit; color: inherit; border: 0; background: none; padding: 0; cursor: pointer; }
input, textarea { font: inherit; color: inherit; }
.num { font-variant-numeric: tabular-nums; }

/* ---------- 手机容器 ---------- */
.mp {
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
  max-width: 480px;
  margin: 0 auto;
  background: var(--bg);
  overflow: hidden;
}
.mp-main {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}
.mp-main::-webkit-scrollbar { width: 0; }

/* ---------- 顶栏 ---------- */
.nav {
  position: relative;
  z-index: 20;
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 8px;
  height: var(--nav-h);
  padding: 0 10px;
  background: rgba(255, 255, 255, .86);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line2);
}
.nav-title {
  flex: 1;
  min-width: 0;
  text-align: center;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: .2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.nav-side { flex: 0 0 40px; display: flex; justify-content: flex-end; }
.nav-btn {
  width: 32px; height: 32px;
  display: grid; place-items: center;
  border-radius: 50%;
  color: var(--ink);
}
.nav-btn:active { background: rgba(34, 29, 25, .06); }
.nav-btn svg { width: 20px; height: 20px; }

/* 悬浮在图片上的顶栏 */
.nav--float {
  position: absolute;
  top: 0; left: 0; right: 0;
  background: transparent;
  border-bottom: 0;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}
.nav--float .nav-btn {
  background: rgba(255, 255, 255, .82);
  backdrop-filter: blur(8px);
  box-shadow: 0 1px 6px rgba(0, 0, 0, .12);
}
.nav--solid .nav-btn { background: rgba(34, 29, 25, .04); }

/* ---------- 底栏 tabbar ---------- */
.tabbar {
  flex: 0 0 auto;
  z-index: 20;
  display: flex;
  align-items: stretch;
  height: calc(52px + env(safe-area-inset-bottom, 0px));
  padding-bottom: env(safe-area-inset-bottom, 0px);
  background: rgba(255, 255, 255, .94);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-top: 1px solid var(--line);
}
.tab {
  position: relative;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  color: var(--ink3);
  font-size: 10.5px;
  letter-spacing: .2px;
  text-decoration: none;
}
.tab svg { width: 23px; height: 23px; }
.tab.is-on { color: var(--brand); font-weight: 600; }
.tab:active { background: rgba(224, 99, 44, .05); }
.tab-badge {
  position: absolute;
  top: 4px;
  left: 50%;
  margin-left: 4px;
  min-width: 16px;
  height: 16px;
  padding: 0 4px;
  border-radius: 999px;
  background: var(--red);
  color: #fff;
  font-size: 10px;
  font-weight: 600;
  line-height: 16px;
  text-align: center;
  box-shadow: 0 0 0 2px #fff;
}
.tab-badge[hidden] { display: none; }

/* ---------- 底部固定操作条 ---------- */
.bar {
  flex: 0 0 auto;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: var(--bar-h);
  padding: 8px 14px calc(8px + env(safe-area-inset-bottom, 0px));
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--line);
}
.bar[hidden] { display: none; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 44px;
  padding: 0 22px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .3px;
  transition: transform .12s ease, opacity .12s ease;
  white-space: nowrap;
}
.btn:active { transform: scale(.975); }
.btn--primary {
  background: linear-gradient(135deg, var(--brand2), var(--brand));
  color: #fff;
  box-shadow: 0 6px 16px rgba(224, 99, 44, .28);
}
.btn--soft { background: var(--brandSoft); color: var(--brandInk); }
.btn--ghost { border: 1px solid var(--line); background: #fff; color: var(--ink2); }
.btn--block { width: 100%; }
.btn--sm { height: 34px; padding: 0 14px; font-size: 13px; }
.btn[disabled],
.btn.is-off { opacity: .42; box-shadow: none; pointer-events: none; }

.icon-btn {
  position: relative;
  width: 42px; height: 42px;
  display: grid; place-items: center;
  border-radius: 12px;
  color: var(--ink2);
}
.icon-btn svg { width: 22px; height: 22px; }
.icon-btn:active { background: rgba(34, 29, 25, .05); }

/* ---------- 卡片与文字 ---------- */
.card {
  background: var(--card);
  border-radius: var(--r);
  box-shadow: var(--sh);
}
.pad { padding: 14px; }
.sec {
  padding: 18px 14px 10px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
}
.sec-t { font-size: 16px; font-weight: 700; letter-spacing: .2px; }
.sec-s { font-size: 12px; color: var(--ink3); }
.muted { color: var(--ink3); }
.small { font-size: 12px; }
.hair { height: 1px; background: var(--line2); }

/* 价格 */
.price {
  display: inline-flex;
  align-items: baseline;
  color: var(--brandInk);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}
.price i { font-style: normal; font-size: 11px; margin-right: 1px; font-weight: 600; }
.price b { font-size: 19px; line-height: 1; letter-spacing: -.2px; }
.price--lg b { font-size: 26px; }
.price--lg i { font-size: 13px; }
.price--sm b { font-size: 15px; }
.price-old {
  margin-left: 5px;
  color: var(--ink4);
  font-size: 11px;
  text-decoration: line-through;
  font-variant-numeric: tabular-nums;
}

/* 标签 */
.tag {
  display: inline-flex;
  align-items: center;
  height: 18px;
  padding: 0 6px;
  border-radius: 5px;
  font-size: 10.5px;
  line-height: 1;
  letter-spacing: .2px;
  background: var(--brandSoft);
  color: var(--brandInk);
}
.tag--gray { background: #f2eee9; color: var(--ink2); }
.tag--gold { background: #fbf2e0; color: #9a6c25; }
.tag--green { background: var(--greenSoft); color: #227d54; }
.tag--line { background: transparent; border: 1px solid var(--line); color: var(--ink3); }

/* ---------- 商品缩略图（渐变占位，零版权风险） ---------- */
.thumb {
  position: relative;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 84px;
  height: 84px;
  border-radius: var(--r-sm);
  overflow: hidden;
  isolation: isolate;
}
.thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(120% 90% at 78% 12%, rgba(255, 255, 255, .55), transparent 60%);
  z-index: 1;
}
.thumb svg {
  width: 46%;
  height: 46%;
  color: #fff;
  opacity: .82;
  filter: drop-shadow(0 2px 6px rgba(90, 50, 20, .18));
  z-index: 2;
}
.thumb--lg { width: 100%; height: 100%; border-radius: 0; }
.thumb--lg svg { width: 30%; height: 30%; opacity: .7; }

.t1 { background: linear-gradient(150deg, #f8dfc0, #e3a367); }
.t2 { background: linear-gradient(150deg, #fbe5c6, #eab273); }
.t3 { background: linear-gradient(150deg, #e8ecd2, #b5c78a); }
.t4 { background: linear-gradient(150deg, #f8d5c6, #e58c6b); }
.t5 { background: linear-gradient(150deg, #eaf3cb, #c5d76c); }
.t6 { background: linear-gradient(150deg, #e3edf2, #a6c2ce); }
.t7 { background: linear-gradient(150deg, #f0e4d6, #c8a582); }
.t8 { background: linear-gradient(150deg, #f4e0d1, #d7a680); }
.t9 { background: linear-gradient(150deg, #fbeec9, #e9c766); }

/* ---------- 商品行 ---------- */
.item {
  display: flex;
  gap: 12px;
  padding: 12px 14px;
}
.item + .item { border-top: 1px solid var(--line2); }
.item-body { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.item-name {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .1px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.item-sub {
  margin-top: 2px;
  font-size: 12px;
  color: var(--ink3);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.item-tags { display: flex; gap: 5px; margin-top: 6px; flex-wrap: wrap; }
.item-foot {
  margin-top: auto;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 8px;
}
.item-meta { font-size: 11px; color: var(--ink3); }

.add-btn {
  flex: 0 0 auto;
  width: 28px; height: 28px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand2), var(--brand));
  color: #fff;
  box-shadow: 0 4px 10px rgba(224, 99, 44, .3);
  transition: transform .14s ease;
}
.add-btn:active { transform: scale(.86); }
.add-btn svg { width: 16px; height: 16px; }

/* ---------- 步进器 ---------- */
.stepper {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  user-select: none;
}
.stepper button {
  width: 24px; height: 24px;
  display: grid; place-items: center;
  border-radius: 50%;
  color: var(--ink2);
  border: 1px solid var(--line);
  background: #fff;
}
.stepper button:active { background: var(--line2); }
.stepper button.is-plus {
  background: linear-gradient(135deg, var(--brand2), var(--brand));
  border-color: transparent;
  color: #fff;
}
.stepper button[disabled] { opacity: .35; pointer-events: none; }
.stepper span {
  min-width: 26px;
  text-align: center;
  font-size: 14px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

/* ---------- 单元格 / 列表 ---------- */
.cell {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 48px;
  padding: 12px 14px;
}
.cell + .cell { border-top: 1px solid var(--line2); }
.cell-label { flex: 0 0 auto; font-size: 14px; color: var(--ink2); }
.cell-value {
  flex: 1;
  min-width: 0;
  text-align: right;
  font-size: 13.5px;
  color: var(--ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.cell-value .muted { font-size: 12px; }
.cell-arrow { flex: 0 0 auto; color: var(--ink4); display: grid; place-items: center; }
.cell-arrow svg { width: 16px; height: 16px; }

/* ---------- 空态 ---------- */
.empty {
  padding: 56px 24px;
  text-align: center;
  color: var(--ink3);
}
.empty svg { width: 68px; height: 68px; margin: 0 auto 14px; color: var(--ink4); }
.empty-t { font-size: 14px; color: var(--ink2); margin-bottom: 4px; }
.empty-s { font-size: 12px; line-height: 1.6; }

/* ---------- 遮罩 / 弹层 ---------- */
.mask {
  position: absolute;
  inset: 0;
  z-index: 60;
  background: rgba(24, 18, 14, .42);
  opacity: 0;
  transition: opacity .22s ease;
}
.mask.is-on { opacity: 1; }
.sheet {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  z-index: 61;
  background: #fff;
  border-radius: 18px 18px 0 0;
  padding: 16px 16px calc(16px + env(safe-area-inset-bottom, 0px));
  transform: translateY(100%);
  transition: transform .26s cubic-bezier(.22, .7, .2, 1);
}
.sheet.is-on { transform: translateY(0); }
.sheet-t { font-size: 15px; font-weight: 700; text-align: center; margin-bottom: 12px; }

/* ---------- Toast ---------- */
.toast {
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 90;
  transform: translate(-50%, -50%) scale(.94);
  min-width: 108px;
  max-width: 240px;
  padding: 14px 18px;
  border-radius: 12px;
  background: rgba(24, 18, 14, .86);
  color: #fff;
  font-size: 13.5px;
  line-height: 1.5;
  text-align: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity .18s ease, transform .18s cubic-bezier(.2, .8, .3, 1);
  backdrop-filter: blur(6px);
}
.toast.is-on { opacity: 1; transform: translate(-50%, -50%) scale(1); }

/* ---------- 支付中遮罩 ---------- */
.paying {
  position: absolute;
  inset: 0;
  z-index: 95;
  display: none;
  place-items: center;
  background: rgba(24, 18, 14, .5);
  backdrop-filter: blur(3px);
}
.paying.is-on { display: grid; }
.paying-box {
  width: 210px;
  padding: 24px 18px 20px;
  border-radius: 16px;
  background: #fff;
  text-align: center;
  animation: pop .24s cubic-bezier(.2, .9, .3, 1);
}
.paying-box .wx {
  width: 40px; height: 40px;
  margin: 0 auto 12px;
  border-radius: 12px;
  background: #07c160;
  display: grid; place-items: center;
  color: #fff;
}
.paying-box .wx svg { width: 24px; height: 24px; }
.paying-t { font-size: 14px; font-weight: 600; }
.paying-s { margin-top: 4px; font-size: 12px; color: var(--ink3); }
.spinner {
  width: 16px; height: 16px;
  margin: 14px auto 0;
  border-radius: 50%;
  border: 2px solid var(--line);
  border-top-color: var(--brand);
  animation: spin .7s linear infinite;
}

/* ---------- 动画 ---------- */
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pop { from { transform: scale(.9); opacity: 0; } to { transform: scale(1); opacity: 1; } }
@keyframes fadeUp { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
@keyframes strokeIn { to { stroke-dashoffset: 0; } }
.fade-up { animation: fadeUp .42s cubic-bezier(.22, .7, .2, 1) both; }
.d1 { animation-delay: .06s; }
.d2 { animation-delay: .12s; }
.d3 { animation-delay: .18s; }

/* ---------- 通用滚动条隐藏 ---------- */
.hscroll {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding: 0 14px 4px;
  scrollbar-width: none;
}
.hscroll::-webkit-scrollbar { display: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}