/* ---------- Mê Sữa · tokens ---------- */
:root {
  --paper: #F3E9DA;        /* nền giấy kem của menu in */
  --paper-deep: #E6D6BF;   /* kẻ, viền */
  --milk: #FCF7EF;         /* thẻ / phiếu */
  --ink: #3B2A1A;          /* nâu đậm – chữ */
  --mocha: #8A6A4F;        /* nâu nhạt – chú thích */
  --brick: #B33A2B;        /* đỏ gạch – giá */
  --matcha: #4F6B3A;       /* xanh – đã nhận */
  --shadow: 0 -8px 30px rgba(59, 42, 26, .18);

  --display: 'Be Vietnam Pro', system-ui, sans-serif;
  --serif: 'Lora', 'Times New Roman', serif;
  --mono: 'IBM Plex Mono', ui-monospace, Menlo, monospace;

  --gutter: 20px;
  --maxw: 760px;
  --radius: 14px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.45;
  padding-bottom: 110px;
}
a { color: inherit; }
button { font: inherit; color: inherit; cursor: pointer; }
input { font: inherit; color: inherit; }
.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
[hidden] { display: none !important; }
:focus-visible { outline: 2px solid var(--brick); outline-offset: 3px; }

/* ---------- masthead ---------- */
.masthead {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 26px var(--gutter) 14px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: end;
  border-bottom: 2px solid var(--ink);
}
.brand { display: flex; flex-direction: column; }
.brand-name { font-family: var(--display); font-weight: 800; font-size: 22px; letter-spacing: -.01em; line-height: 1; }
.brand-sub { font-family: var(--mono); font-size: 10px; letter-spacing: .32em; text-transform: uppercase; color: var(--mocha); margin-top: 6px; }
.menu-word { margin: 0; font-family: var(--mono); font-weight: 600; font-size: 24px; letter-spacing: .1em; color: var(--brick); text-align: center; }

@media (max-width: 480px) {
  .masthead { grid-template-columns: 1fr auto; }
  .menu-word { font-size: 20px; }
}

/* ---------- category tabs ---------- */
.cats {
  position: sticky; top: 0; z-index: 20;
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--paper-deep);
}
.cats-inner {
  max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gutter);
  display: flex; gap: 4px; overflow-x: auto; scrollbar-width: none;
}
.cats-inner::-webkit-scrollbar { display: none; }
.cat-tab {
  flex: 0 0 auto; background: none; border: 0; padding: 12px 10px 10px;
  font-family: var(--display); font-weight: 700; font-size: 12px; letter-spacing: .06em; text-transform: uppercase;
  color: var(--mocha); border-bottom: 3px solid transparent; margin-bottom: -1px; white-space: nowrap;
}
.cat-tab[aria-current="true"] { color: var(--ink); border-bottom-color: var(--brick); }

/* ---------- menu ---------- */
.menu { max-width: var(--maxw); margin: 0 auto; padding: 8px var(--gutter) 0; }
.loading { font-family: var(--mono); color: var(--mocha); font-size: 14px; }

.cat { padding: 30px 0 12px; scroll-margin-top: 60px; }
.cat + .cat { border-top: 1px solid var(--paper-deep); }
.cat-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 4px; }
.cat-title { margin: 0; font-family: var(--display); font-weight: 800; font-size: 24px; letter-spacing: .01em; text-transform: uppercase; line-height: 1.1; }
.cat-sub { margin: 2px 0 0; font-style: italic; color: var(--mocha); font-size: 15px; }
.cat-sizes { font-family: var(--mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--mocha); display: grid; grid-template-columns: 44px 44px; text-align: right; flex: 0 0 auto; }
.cat-sizes--one { grid-template-columns: 44px; }

.cat-note { margin: 6px 0 0; font-style: italic; font-size: 14px; color: var(--mocha); }
.cat-toppings { display: flex; flex-wrap: wrap; gap: 6px 14px; margin: 8px 0 0; padding: 0; list-style: none; font-family: var(--mono); font-size: 12px; color: var(--mocha); }
.cat-toppings li::before { content: '◦ '; color: var(--brick); }

.items { list-style: none; margin: 10px 0 0; padding: 0; }
.item {
  display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 12px;
  width: 100%; text-align: left; background: none; border: 0; border-radius: 10px;
  padding: 9px 8px; margin: 0 -8px; transition: background .15s;
}
.item:hover, .item:active { background: color-mix(in srgb, var(--milk) 70%, transparent); }
.thumb { width: 52px; height: 52px; border-radius: 10px; overflow: hidden; background: var(--milk); border: 1px solid var(--paper-deep); display: grid; place-items: center; flex: 0 0 auto; }
.thumb img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .2s; }
.thumb:hover img { transform: scale(1.06); }
.thumb--empty span { font-family: var(--mono); font-size: 13px; color: var(--mocha); letter-spacing: .05em; }
.item-name { font-family: var(--serif); font-weight: 700; font-size: 19px; line-height: 1.2; }
.item-en { display: block; font-style: italic; font-size: 14px; color: var(--mocha); margin: 1px 0 0; }
.item-prices { display: grid; grid-template-columns: 44px 44px; text-align: right; font-family: var(--mono); font-weight: 600; font-size: 20px; color: var(--brick); }
.item-prices--one { grid-template-columns: 44px; }

@media (min-width: 900px) {
  :root { --maxw: 1080px; }
  .menu { display: grid; grid-template-columns: 1fr 1fr; column-gap: 56px; }
  .cat + .cat { border-top: 0; }
  .cat { border-top: 1px solid var(--paper-deep); }
  .cat:nth-child(-n+2) { border-top: 0; }
}

.colophon { max-width: var(--maxw); margin: 40px auto 0; padding: 14px var(--gutter) 0; font-size: 14px; color: var(--mocha); font-style: italic; border-top: 2px solid var(--ink); }
.colophon .mono { font-style: normal; font-size: 12px; }

/* ---------- cart button ---------- */
.cart-bar {
  position: fixed; right: max(16px, env(safe-area-inset-right)); bottom: max(16px, env(safe-area-inset-bottom)); z-index: 30;
  display: grid; grid-template-columns: auto auto; grid-template-rows: auto auto; column-gap: 12px; align-items: center;
  background: var(--ink); color: var(--paper); border: 0; border-radius: 16px;
  padding: 12px 16px 12px 12px; box-shadow: 0 10px 30px rgba(59, 42, 26, .35); text-align: left;
  animation: rise .35s cubic-bezier(.2, .9, .3, 1.2);
}
@keyframes rise { from { transform: translateY(30px); opacity: 0; } }
.cart-bar-count { grid-row: 1 / 3; font-family: var(--mono); font-size: 13px; background: var(--brick); border-radius: 999px; padding: 4px 10px; }
.cart-bar-count b { font-weight: 600; }
.cart-bar-label { font-family: var(--display); font-weight: 700; font-size: 13px; line-height: 1.1; }
.cart-bar-total { font-weight: 600; font-size: 15px; line-height: 1.2; color: #F6C9BF; }
.cart-bar.bump { animation: bump .3s; }
@keyframes bump { 50% { transform: scale(1.04); } }

/* ---------- sheets ---------- */
.sheet { position: fixed; inset: 0; z-index: 40; }
.sheet-backdrop { position: absolute; inset: 0; background: rgba(59, 42, 26, .45); animation: fade .2s; }
@keyframes fade { from { opacity: 0; } }
.sheet-panel {
  position: absolute; left: 50%; bottom: 0; transform: translateX(-50%);
  width: min(100%, 560px); max-height: 92dvh; overflow: auto; overscroll-behavior: contain;
  background: var(--milk); border-radius: 22px 22px 0 0; box-shadow: var(--shadow);
  animation: slideUp .3s cubic-bezier(.2, .9, .3, 1);
  padding-bottom: env(safe-area-inset-bottom);
}
@keyframes slideUp { from { transform: translate(-50%, 40px); opacity: .5; } }
.sheet-grip { width: 40px; height: 4px; border-radius: 2px; background: var(--paper-deep); margin: 10px auto 0; }
.sheet-hero { margin: 12px var(--gutter) 0; border-radius: 14px; overflow: hidden; aspect-ratio: 16 / 9; background: var(--paper); }
.sheet-hero img { width: 100%; height: 100%; object-fit: cover; display: block; }
.sheet-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; padding: 14px var(--gutter) 4px; }
.sheet-head h2, .slip-head h2 { margin: 0; font-family: var(--serif); font-weight: 700; font-size: 24px; line-height: 1.15; }
.eyebrow { margin: 0 0 4px; font-family: var(--mono); font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--mocha); }
.icon-btn { flex: 0 0 auto; width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--paper-deep); background: var(--paper); font-size: 22px; line-height: 1; display: grid; place-items: center; }

.sheet-body { padding: 8px var(--gutter) 4px; }
.opt { margin: 14px 0 0; border: 0; padding: 0; }
.opt-label { display: flex; justify-content: space-between; font-family: var(--mono); font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--mocha); margin-bottom: 8px; }
.pills { display: flex; flex-wrap: wrap; gap: 8px; }
.pill { position: relative; }
.pill input { position: absolute; opacity: 0; inset: 0; }
.pill > span {
  display: inline-flex; align-items: center; gap: 6px; padding: 9px 14px; border-radius: 999px;
  border: 1.5px solid var(--paper-deep); font-family: var(--serif); font-weight: 500; font-size: 15px; background: var(--milk);
  transition: all .15s;
}
.pill > span .mono { font-size: 13px; color: var(--brick); }
.pill input:checked + span { border-color: var(--ink); background: var(--ink); color: var(--paper); }
.pill input:checked + span .mono { color: var(--paper); }
.pill input:focus-visible + span { outline: 2px solid var(--brick); outline-offset: 2px; }
.opt-note { width: 100%; padding: 11px 14px; border-radius: 10px; border: 1.5px solid var(--paper-deep); background: var(--milk); }
.opt-hint { margin: 6px 0 0; font-style: italic; font-size: 13px; color: var(--mocha); }

.sheet-foot { position: sticky; bottom: 0; display: flex; gap: 12px; padding: 14px var(--gutter) 18px; background: var(--milk); border-top: 1px solid var(--paper-deep); }
.qty { display: flex; align-items: center; border: 1.5px solid var(--ink); border-radius: 999px; overflow: hidden; flex: 0 0 auto; }
.qty-btn { width: 42px; height: 46px; border: 0; background: none; font-size: 20px; }
.qty output { min-width: 28px; text-align: center; font-family: var(--mono); font-weight: 600; }

.btn-primary {
  white-space: nowrap; flex: 1; display: flex; justify-content: space-between; align-items: center; gap: 12px;
  background: var(--brick); color: var(--paper); border: 0; border-radius: 999px; padding: 0 20px; min-height: 48px;
  font-family: var(--display); font-weight: 700; font-size: 15px; transition: transform .1s, background .15s;
}
.btn-primary:active { transform: scale(.98); }
.btn-primary:disabled { background: var(--mocha); cursor: wait; }
.btn-primary .mono { font-weight: 600; font-size: 15px; }
.btn-wide { width: 100%; margin-top: 14px; }
.btn-ghost { white-space: nowrap; display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 20px; border-radius: 999px; border: 1.5px solid var(--ink); text-decoration: none; font-family: var(--display); font-weight: 700; font-size: 15px; }

/* ---------- the slip (phiếu order) ---------- */
.sheet-panel--tall { background: var(--paper); }
.slip {
  margin: 14px var(--gutter) 24px; background: var(--milk); color: var(--ink);
  padding: 20px 18px 28px; position: relative;
  box-shadow: 0 1px 0 var(--paper-deep), 0 10px 24px -14px rgba(59, 42, 26, .4);
  /* mép răng cưa như phiếu xé */
  clip-path: polygon(
    0 0, 100% 0, 100% calc(100% - 8px),
    97.5% 100%, 95% calc(100% - 8px), 92.5% 100%, 90% calc(100% - 8px), 87.5% 100%, 85% calc(100% - 8px),
    82.5% 100%, 80% calc(100% - 8px), 77.5% 100%, 75% calc(100% - 8px), 72.5% 100%, 70% calc(100% - 8px),
    67.5% 100%, 65% calc(100% - 8px), 62.5% 100%, 60% calc(100% - 8px), 57.5% 100%, 55% calc(100% - 8px),
    52.5% 100%, 50% calc(100% - 8px), 47.5% 100%, 45% calc(100% - 8px), 42.5% 100%, 40% calc(100% - 8px),
    37.5% 100%, 35% calc(100% - 8px), 32.5% 100%, 30% calc(100% - 8px), 27.5% 100%, 25% calc(100% - 8px),
    22.5% 100%, 20% calc(100% - 8px), 17.5% 100%, 15% calc(100% - 8px), 12.5% 100%, 10% calc(100% - 8px),
    7.5% 100%, 5% calc(100% - 8px), 2.5% 100%, 0 calc(100% - 8px)
  );
}
.slip-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; padding-bottom: 12px; border-bottom: 1.5px dashed var(--paper-deep); }
.slip-lines { list-style: none; margin: 0; padding: 4px 0; font-family: var(--mono); font-size: 14px; }
.slip-line { display: grid; grid-template-columns: 1fr auto; gap: 4px 12px; padding: 10px 0; border-bottom: 1px dotted var(--paper-deep); }
.slip-line-name { font-family: var(--serif); font-weight: 700; font-size: 16px; }
.slip-line-opts { color: var(--mocha); font-size: 12px; line-height: 1.5; }
.slip-line-price { text-align: right; font-weight: 600; color: var(--brick); white-space: nowrap; }
.slip-line-ctl { grid-column: 1 / -1; display: flex; align-items: center; gap: 10px; margin-top: 4px; }
.slip-line-ctl .qty { border-width: 1px; }
.slip-line-ctl .qty-btn { width: 34px; height: 32px; font-size: 16px; }
.slip-line-ctl .qty output { font-size: 13px; }
.link-btn { background: none; border: 0; padding: 0; font-family: var(--mono); font-size: 12px; color: var(--mocha); text-decoration: underline; text-underline-offset: 3px; margin-left: auto; }
.slip-empty { font-style: italic; color: var(--mocha); font-family: var(--serif); padding: 20px 0; text-align: center; }
.slip-total { display: flex; justify-content: space-between; align-items: baseline; padding: 14px 0 6px; border-top: 2px solid var(--ink); margin-top: 4px; font-family: var(--display); font-weight: 800; font-size: 15px; text-transform: uppercase; letter-spacing: .04em; }
.slip-total strong { font-size: 24px; color: var(--brick); }

.slip-form { margin-top: 14px; display: flex; flex-direction: column; gap: 12px; }
.field { display: flex; flex-direction: column; gap: 5px; }
.field > span { font-family: var(--mono); font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--mocha); }
.field input { padding: 11px 13px; border: 1.5px solid var(--paper-deep); border-radius: 10px; background: var(--milk); width: 100%; }
.field input:focus { border-color: var(--ink); outline: 0; }
.form-error { margin: 0; font-family: var(--mono); font-size: 13px; color: var(--brick); }

/* ---------- payment ---------- */
.code { color: var(--brick); letter-spacing: .06em; }
.pay-box { margin: 16px auto 0; width: min(100%, 300px); aspect-ratio: 1; background: #fff; border: 1.5px solid var(--paper-deep); border-radius: 12px; display: grid; place-items: center; overflow: hidden; }
.pay-box img { width: 100%; height: 100%; object-fit: contain; }
.pay-box--none { aspect-ratio: auto; padding: 18px; font-family: var(--mono); font-size: 13px; color: var(--mocha); text-align: center; line-height: 1.6; }
.pay-actions { display: flex; gap: 10px; margin: 12px auto 0; width: min(100%, 300px); }
.pay-actions > * { flex: 1; min-height: 44px; padding: 0 10px; font-size: 13px; gap: 7px; }
.btn-icon svg { flex: 0 0 auto; }
.pay-meta { margin: 16px 0 0; display: grid; grid-template-columns: auto 1fr; gap: 6px 14px; font-size: 13px; }
.pay-meta dt { color: var(--mocha); }
.pay-meta dd { margin: 0; font-weight: 600; word-break: break-all; }
.pay-meta dd.code { font-size: 16px; }
.pay-wait { margin: 18px 0 0; display: flex; gap: 10px; align-items: flex-start; font-size: 14px; }
.pay-wait .dot { flex: 0 0 auto; width: 10px; height: 10px; margin-top: 6px; border-radius: 50%; background: var(--brick); animation: pulse 1.2s infinite; }
@keyframes pulse { 50% { opacity: .25; } }
.pay-hint { margin: 10px 0 0; font-style: italic; font-size: 13px; color: var(--mocha); }

.slip-step--done { text-align: center; padding: 10px 0; }
.stamp {
  display: inline-block; margin: 0 0 14px; padding: 8px 14px; border: 3px double var(--matcha); color: var(--matcha);
  font-family: var(--mono); font-weight: 600; letter-spacing: .2em; transform: rotate(-4deg);
  animation: stamp .4s cubic-bezier(.2, 1.4, .4, 1);
}
@keyframes stamp { from { transform: rotate(-4deg) scale(1.8); opacity: 0; } }
.slip-step--done h2 { margin: 0 0 8px; font-size: 26px; }
.slip-step--done p { margin: 6px 0; }
.done-actions { display: flex; gap: 10px; margin-top: 22px; }
.done-actions > * { flex: 1; font-size: 14px; padding: 0 12px; }

/* ---------- lightbox ---------- */
.lightbox { position: fixed; inset: 0; z-index: 45; display: grid; place-items: center; padding: 20px; }
.lightbox .sheet-backdrop { background: rgba(43, 30, 20, .85); }
.lightbox-fig { position: relative; margin: 0; width: min(92vw, 640px); background: var(--milk); border-radius: 18px; overflow: hidden; box-shadow: 0 20px 60px rgba(0, 0, 0, .4); animation: slideUp .25s cubic-bezier(.2, .9, .3, 1); }
.lightbox-fig img { display: block; width: 100%; max-height: 70vh; object-fit: contain; background: #fff; }
.lightbox-fig figcaption { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 16px; font-family: var(--serif); font-weight: 700; font-size: 18px; }
.lightbox-order { flex: 0 0 auto; min-height: 42px; padding: 0 16px; font-size: 14px; }
.lightbox-close { position: absolute; top: 10px; right: 10px; }

/* ---------- toast ---------- */
.toast { position: fixed; left: 50%; bottom: 96px; transform: translateX(-50%); z-index: 50; background: var(--ink); color: var(--paper); padding: 10px 16px; border-radius: 10px; font-family: var(--mono); font-size: 13px; box-shadow: 0 8px 24px rgba(59, 42, 26, .3); animation: rise .25s; max-width: calc(100% - 40px); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}