/* Telegram passes its theme as --tg-theme-* variables; the fallbacks are the app colours. */
:root {
  --bg: var(--tg-theme-bg-color, #ffffff);
  --bg2: var(--tg-theme-secondary-bg-color, #f2f4f7);
  --text: var(--tg-theme-text-color, #1b1d21);
  --hint: var(--tg-theme-hint-color, #6b7280);
  --accent: var(--tg-theme-button-color, #2e6bc6);
  --accent-text: var(--tg-theme-button-text-color, #ffffff);
  --link: var(--tg-theme-link-color, #2e6bc6);
  --danger: var(--tg-theme-destructive-text-color, #d93025);
  --radius: 14px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: var(--tg-theme-bg-color, #17181c);
    --bg2: var(--tg-theme-secondary-bg-color, #22242a);
    --text: var(--tg-theme-text-color, #eceef2);
    --hint: var(--tg-theme-hint-color, #9aa1ad);
  }
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; background: var(--bg2); color: var(--text); }
body { font-family: "Noto Sans Khmer", "Noto Sans", system-ui, sans-serif; font-size: 15px; line-height: 1.45;
       padding-bottom: calc(84px + env(safe-area-inset-bottom)); -webkit-tap-highlight-color: transparent; }
button, input, textarea { font: inherit; color: inherit; }

.top { position: sticky; top: 0; z-index: 5; background: var(--bg); padding: 10px 16px 8px;
       box-shadow: 0 1px 0 rgba(0,0,0,.06); }
.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 16px; margin-bottom: 8px; }
#shopName { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
#langSel { flex: none; border: 1px solid rgba(127,127,127,.3); border-radius: 10px; padding: 5px 8px; background: var(--bg2);
           font-size: 14px; font-weight: 600; cursor: pointer; }
.logo { display: inline-grid; place-items: center; width: 30px; height: 30px; border-radius: 9px; background: var(--accent); }
#search { width: 100%; border: 0; border-radius: 12px; padding: 10px 14px; background: var(--bg2); outline: none; }
.chips { display: flex; gap: 8px; overflow-x: auto; padding: 8px 0 2px; scrollbar-width: none; }
.chips::-webkit-scrollbar { display: none; }
.chip { flex: none; border: 1px solid rgba(127,127,127,.3); background: transparent; border-radius: 999px; padding: 6px 14px; cursor: pointer; }
.chip.on { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }

.notice { margin: 10px 16px 0; padding: 10px 12px; border-radius: 12px; background: #fff4e5; color: #8a4b00; font-size: 14px; }
.list { padding: 10px 16px; display: grid; gap: 10px; }
.cat-title { margin: 8px 2px 0; font-size: 14px; font-weight: 700; color: var(--link); }
.card { display: flex; gap: 12px; background: var(--bg); border-radius: var(--radius); padding: 10px; }
.card img, .card .ph { flex: none; width: 92px; height: 92px; border-radius: 10px; object-fit: cover; background: var(--bg2); }
.card .ph { display: grid; place-items: center; font-size: 34px; }
.card .info { flex: 1; min-width: 0; }
.card .name { font-weight: 600; margin: 0 0 4px; }
.variant { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 4px 0; }
.variant .price { font-weight: 700; color: var(--link); white-space: nowrap; }
.variant .unit { color: var(--hint); font-size: 13px; }
.step { display: flex; align-items: center; gap: 6px; flex: none; }
.step button { width: 34px; height: 34px; border-radius: 10px; border: 0; background: var(--bg2); font-size: 20px; line-height: 1; cursor: pointer; }
.step button.add { background: var(--accent); color: var(--accent-text); }
.step .qty { min-width: 30px; text-align: center; font-weight: 700; }
.empty { text-align: center; color: var(--hint); padding: 40px 0; }

.sheet { padding: 12px 16px; }
.sheet h2 { margin: 6px 0 12px; font-size: 19px; }
.line { display: flex; align-items: center; justify-content: space-between; gap: 8px; background: var(--bg); border-radius: 12px; padding: 10px 12px; margin-bottom: 8px; }
.line .lname { flex: 1; min-width: 0; }
.line .lsum { color: var(--hint); font-size: 13px; }
.total-row { display: flex; justify-content: space-between; font-size: 17px; padding: 8px 2px; }
.hint { color: var(--hint); font-size: 13px; margin: 0 2px 10px; }
.field { display: block; margin: 10px 0; }
.field > span { display: block; font-size: 13px; color: var(--hint); margin-bottom: 4px; }
.field input, .field textarea { width: 100%; border: 0; border-radius: 12px; padding: 10px 12px; background: var(--bg); outline: none; resize: vertical; }
.seg { display: flex; gap: 8px; }
.seg label { flex: 1; }
.seg input { position: absolute; opacity: 0; pointer-events: none; }
.seg span { display: block; text-align: center; padding: 10px 6px; border-radius: 12px; background: var(--bg); cursor: pointer; }
.seg input:checked + span { background: var(--accent); color: var(--accent-text); font-weight: 600; }
.addr { background: var(--bg); border-radius: var(--radius); padding: 10px 12px; margin: 10px 0; }
.addr .field input { background: var(--bg2); }
.field-title { font-weight: 600; margin-bottom: 4px; }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.two .field { margin: 6px 0; }
.loc { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 8px 0; }
.loc .ok { color: #188038; font-weight: 600; }
.loc a { color: var(--link); }
.linkbtn { border: 0; background: none; color: var(--danger); cursor: pointer; padding: 4px; }
.phone { background: var(--bg); border-radius: 12px; padding: 10px 12px; margin: 10px 0; }
.phone .ok { color: #188038; font-weight: 600; }
.error { color: var(--danger); font-weight: 600; }

.bar { position: fixed; left: 0; right: 0; bottom: 0; padding: 10px 16px calc(10px + env(safe-area-inset-bottom)); background: var(--bg);
       box-shadow: 0 -1px 0 rgba(0,0,0,.06); z-index: 6; }
.btn { width: 100%; border: 0; border-radius: 12px; padding: 13px 16px; background: var(--accent); color: var(--accent-text); font-weight: 700; font-size: 16px; cursor: pointer; }
.btn.secondary { background: var(--bg2); color: var(--text); }
.btn:disabled { opacity: .5; }
.center { text-align: center; padding-top: 40px; }
.big { font-size: 56px; }