:root {
  --bg: #f4f1ec;
  --card: #ffffff;
  --ink: #2b2620;
  --muted: #8a8175;
  --line: #e4ddd2;
  --accent: #e8842b;
  --accent-dark: #c96a16;
  --green: #4a8a3c;
  --danger: #c0392b;
  --shadow: 0 2px 10px rgba(0,0,0,.06);
  --radius: 14px;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, "Khmer OS", sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.5;
}
header.topbar {
  background: var(--ink);
  color: #fff;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
header.topbar .brand { font-weight: 700; font-size: 1.15rem; letter-spacing: .5px; }
header.topbar .brand span { color: var(--accent); }
header.topbar a { color: #cfc7ba; text-decoration: none; font-size: .9rem; }
header.topbar a:hover { color: #fff; }
.nav-links { display: flex; gap: 18px; }
main { max-width: 900px; margin: 0 auto; padding: 24px 16px 60px; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
  margin-bottom: 20px;
}
h1 { font-size: 1.5rem; margin: 0 0 4px; }
h2 { font-size: 1.15rem; margin: 0 0 14px; }
.sub { color: var(--muted); margin: 0 0 18px; font-size: .95rem; }

label { display: block; font-weight: 600; margin: 0 0 6px; font-size: .9rem; }
input[type=text], input[type=date], select {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  font-size: 1rem;
  background: #fff;
  color: var(--ink);
}
input:focus, select:focus { outline: 2px solid var(--accent); border-color: var(--accent); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: none; border-radius: 10px; padding: 12px 18px;
  font-size: 1rem; font-weight: 600; cursor: pointer;
  background: var(--accent); color: #fff; transition: background .15s;
}
.btn:hover { background: var(--accent-dark); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn.secondary { background: #efe9e0; color: var(--ink); }
.btn.secondary:hover { background: #e4ddd2; }
.btn.danger { background: var(--danger); }
.btn.danger:hover { background: #a5301f; }
.btn-row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 8px; }

.field { margin-bottom: 16px; }
.hidden { display: none !important; }

/* menu grid */
.cat-title { font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; color: var(--accent-dark); margin: 18px 0 8px; font-weight: 700; }
.drink-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 10px; }
.drink {
  border: 2px solid var(--line); border-radius: 12px; padding: 12px; cursor: pointer;
  background: #fff; text-align: left; transition: border-color .12s, transform .12s;
}
.drink:hover { border-color: var(--accent); }
.drink.selected { border-color: var(--accent); background: #fff7ef; }
.drink .en { font-weight: 600; }
.drink .km { font-size: .8rem; color: var(--muted); }
.drink .price { font-size: .85rem; color: var(--accent-dark); margin-top: 4px; font-weight: 600; }

.pill-row { display: flex; flex-wrap: wrap; gap: 8px; }
.pill {
  border: 2px solid var(--line); background: #fff; border-radius: 999px;
  padding: 8px 16px; cursor: pointer; font-weight: 600; font-size: .9rem;
}
.pill.selected { border-color: var(--accent); background: var(--accent); color: #fff; }

.summary-line { display: flex; justify-content: space-between; padding: 8px 0; border-bottom: 1px dashed var(--line); }
.summary-line:last-child { border-bottom: none; }

.banner { padding: 12px 14px; border-radius: 10px; margin-bottom: 16px; font-weight: 600; }
.banner.ok { background: #e8f3e4; color: var(--green); }
.banner.info { background: #fbeede; color: var(--accent-dark); }
.banner.err { background: #fbe4e1; color: var(--danger); }

/* stats */
.stat-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px,1fr)); gap: 12px; margin-bottom: 6px; }
.stat { background: #faf7f2; border: 1px solid var(--line); border-radius: 12px; padding: 14px; text-align: center; }
.stat .num { font-size: 1.8rem; font-weight: 700; color: var(--accent-dark); }
.stat .lbl { font-size: .8rem; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; }

table { width: 100%; border-collapse: collapse; font-size: .92rem; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--line); }
th { font-size: .78rem; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }
tr:hover td { background: #faf7f2; }
.tag { display: inline-block; padding: 2px 8px; border-radius: 999px; background: #efe9e0; font-size: .8rem; }
/* modal */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(30,26,20,.55);
  display: flex; align-items: center; justify-content: center; padding: 16px; z-index: 50;
}
.modal {
  background: var(--card); border-radius: var(--radius); box-shadow: 0 12px 40px rgba(0,0,0,.25);
  width: 100%; max-width: 440px; padding: 24px; animation: pop .15s ease-out;
  max-height: 90vh; overflow-y: auto;
}
@keyframes pop { from { transform: scale(.96); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.modal h2 { margin-bottom: 4px; }
.modal .drink-line { color: var(--muted); margin: 0 0 18px; font-size: .95rem; }
.modal .modal-actions { display: flex; gap: 10px; margin-top: 20px; }
.modal .modal-actions .btn { flex: 1; }

.filter-row { display: flex; gap: 12px; align-items: flex-end; flex-wrap: wrap; }
.filter-row .field { margin-bottom: 0; }
.section-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 14px; }
.muted { color: var(--muted); }
.right { text-align: right; }

/* ---------------------------------------------------------------------
   Mobile / responsive
   --------------------------------------------------------------------- */
@media (max-width: 600px) {
  header.topbar { flex-wrap: wrap; padding: 12px 16px; gap: 6px 14px; }
  header.topbar .brand { font-size: 1rem; }
  .nav-links { gap: 14px; flex-wrap: wrap; font-size: .85rem; }

  main { padding: 16px 12px 48px; }
  .card { padding: 16px; margin-bottom: 16px; }
  h1 { font-size: 1.3rem; }
  h2 { font-size: 1.05rem; }

  /* Order menu → single column, full-width tappable cards */
  .drink-grid { grid-template-columns: 1fr; gap: 8px; }
  .drink { padding: 14px; }

  /* Buttons: comfortable thumb targets, stack the page-level rows */
  .btn { padding: 13px 16px; }
  .btn-row { flex-direction: column; }
  .btn-row .btn { width: 100%; }

  /* Filters stack full width so date pickers are easy to tap */
  .filter-row { flex-direction: column; align-items: stretch; gap: 10px; }
  .filter-row .field, .filter-row .btn { width: 100%; }

  /* Stats two-up */
  .stat-row { grid-template-columns: 1fr 1fr; }
  .stat .num { font-size: 1.5rem; }

  /* Tables stay readable; horizontal scroll wrappers already handle width */
  table { font-size: .88rem; }
  th, td { padding: 8px 6px; }
  /* In-row action buttons shrink and stack */
  td .btn { width: 100%; padding: 8px 10px; font-size: .85rem; }
  td .btn + .btn { margin-top: 6px; }

  .modal { padding: 18px; }
  .pill { padding: 10px 16px; }   /* larger sugar/size tap targets */
}

/* Tablet: 2-column drink grid */
@media (min-width: 601px) and (max-width: 820px) {
  .drink-grid { grid-template-columns: 1fr 1fr; }
}