:root {
  --green: #0e7a43;
  --green-dark: #0a5c33;
  --green-deep: #084227;
  --gold: #d4af37;
  --gold-light: #e8c766;
  --bg: #f4f6f3;
  --card: #fff;
  --text: #1f2933;
  --muted: #7b8794;
  --border: #e1e5ea;
  --danger: #e0245e;
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --app-max: 560px;
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body {
  margin: 0; padding: 0;
  background: var(--bg); color: var(--text);
  font-family: "Kanit", -apple-system, "Segoe UI", "Noto Sans Thai", Tahoma, sans-serif;
  font-size: 16px; line-height: 1.5;
  -webkit-text-size-adjust: 100%;
}
.hidden { display: none !important; }

/* ---------- header ---------- */
.hd {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 12px 16px 14px;
  padding-top: calc(12px + var(--safe-top));
  color: #fff;
  background:
    radial-gradient(120% 140% at 85% -10%, rgba(212,175,55,0.28) 0%, rgba(212,175,55,0) 45%),
    linear-gradient(135deg, var(--green) 0%, var(--green-dark) 60%, var(--green-deep) 100%);
  border-bottom: 3px solid transparent;
  border-image: linear-gradient(90deg, var(--gold), var(--gold-light), var(--gold)) 1;
  box-shadow: 0 4px 16px rgba(8,66,39,0.25);
}
.hd-brand { display: flex; align-items: center; gap: 11px; }
.hd-mark {
  width: 46px; height: 46px; border-radius: 12px; background: #fff;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
  overflow: hidden; box-shadow: 0 0 0 2px var(--gold), 0 3px 10px rgba(8,66,39,0.35);
}
.hd-mark img { width: 100%; height: 100%; object-fit: contain; padding: 2px; }
.hd-title { font-size: 18px; font-weight: 600; }
.hd-sub { font-size: 11px; font-weight: 500; color: var(--gold-light); letter-spacing: 1.5px; }
.hd-right { display: flex; align-items: center; gap: 6px; }
.sync { font-size: 10px; color: rgba(255,255,255,0.75); white-space: nowrap; }
.gear { background: none; border: none; color: var(--gold-light); font-size: 22px; cursor: pointer; padding: 6px; }

.wrap { max-width: var(--app-max); margin: 0 auto; padding-bottom: calc(24px + var(--safe-bottom)); }

/* ---------- tabs ---------- */
.tabbar {
  display: flex; gap: 5px; padding: 10px 12px 0; overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.tabbar::-webkit-scrollbar { height: 0; }
.tab {
  display: flex; align-items: center; gap: 6px;
  padding: 8px 12px; border-radius: 10px 10px 0 0;
  background: #e6e9e5; color: var(--muted);
  font-size: 13px; cursor: pointer; white-space: nowrap; max-width: 160px; flex-shrink: 0;
}
.tab.active { background: var(--card); color: var(--green-dark); font-weight: 600; box-shadow: 0 -1px 3px rgba(0,0,0,0.05); }
.tab-label { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tab.sent .tab-label::before {
  content: "●"; color: var(--green); font-size: 9px; margin-right: 5px; vertical-align: middle;
}
.tab-x { background: none; border: none; color: var(--muted); cursor: pointer; font-size: 18px; line-height: 1; padding: 0 2px; }
.tab-x:hover { color: var(--danger); }
.tab-add {
  flex-shrink: 0; background: #e6e9e5; border: none; color: var(--green-dark);
  border-radius: 10px; padding: 8px 13px; cursor: pointer; font-size: 15px; font-weight: 700;
}

/* ---------- cards ---------- */
.card {
  background: var(--card); margin: 10px 12px; padding: 14px;
  border-radius: 14px; box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}
.card-h {
  display: flex; align-items: center; justify-content: space-between;
  font-weight: 600; color: var(--green-dark); margin-bottom: 10px;
}
.card-h span:first-child { display: flex; align-items: center; gap: 8px; font-size: 15px; }
.card-h span:first-child::before {
  content: ""; width: 4px; height: 16px;
  background: linear-gradient(var(--gold-light), var(--gold)); border-radius: 2px;
}

.lbl { display: block; font-size: 13px; color: var(--muted); margin: 8px 0 4px; }
.hint { font-size: 12px; color: var(--muted); margin: 6px 0 0; }
code { background: #eef1ee; padding: 1px 5px; border-radius: 4px; font-size: 12px; }

input {
  width: 100%; padding: 11px 12px; border: 1.5px solid var(--border);
  border-radius: 9px; font-family: inherit;
  font-size: 16px;              /* ≥16px กัน iOS ซูมตอนโฟกัส */
  color: var(--text); background: #fff;
}
input:focus { outline: none; border-color: var(--green); }

/* ---------- buttons ---------- */
.btn {
  width: 100%; min-height: 46px; padding: 11px;
  border: none; border-radius: 10px;
  font-family: inherit; font-size: 15px; font-weight: 600;
  cursor: pointer; margin-top: 10px;
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  text-decoration: none;
}
.btn:active { transform: scale(0.985); }
.btn-primary {
  background: linear-gradient(135deg, var(--green), var(--green-dark));
  color: #fff; border-bottom: 2px solid var(--gold);
}
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-ghost { background: #fff; color: var(--green-dark); border: 1.5px solid var(--green); }
.btn-sm { min-height: 40px; font-size: 14px; }

/* ---------- items ---------- */
.items-head, .item {
  display: grid; grid-template-columns: 1fr 58px 84px 34px; gap: 6px; align-items: center;
}
.items-head { font-size: 11px; color: var(--muted); margin-bottom: 5px; }
.item { margin-bottom: 7px; }
.item input { padding: 9px 8px; font-size: 15px; }
.item .rm { background: none; border: none; color: var(--danger); cursor: pointer; font-size: 20px; padding: 4px; }

.total-row {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  margin-top: 12px; padding-top: 12px; border-top: 1px dashed var(--border);
  font-weight: 600; font-size: 15px;
}
.total-input { width: 130px; text-align: right; font-weight: 700; color: var(--green-dark); }

/* ---------- search / customer ---------- */
.search-row { display: flex; gap: 7px; }
.search-row input { flex: 1; }
.search-row .btn { width: auto; margin-top: 0; padding: 0 16px; flex-shrink: 0; }
#results { margin-top: 10px; }
.result {
  display: flex; align-items: center; gap: 10px; padding: 10px;
  border: 1px solid var(--border); border-radius: 10px; margin-bottom: 7px; cursor: pointer;
}
.result:active { background: rgba(14,122,67,0.06); }
.result img, .selected img { width: 38px; height: 38px; border-radius: 50%; object-fit: cover; background: #eee; flex-shrink: 0; }
.result .nm, .selected .nm { font-size: 14px; font-weight: 600; }
.result .ph, .selected .ph { font-size: 13px; color: var(--muted); }
.selected {
  display: flex; align-items: center; gap: 10px; padding: 10px;
  border: 1.5px solid var(--green); border-radius: 10px;
  background: rgba(14,122,67,0.06); margin-top: 10px;
}
.selected img { border: 1.5px solid var(--gold); }

/* ---------- history ---------- */
.hist {
  border: 1px solid var(--border); border-radius: 12px;
  padding: 11px; margin-bottom: 9px;
}
.hist-top { display: flex; align-items: center; gap: 10px; }
.hist-top img {
  width: 38px; height: 38px; border-radius: 50%; object-fit: cover;
  background: #eee; flex-shrink: 0; border: 1.5px solid var(--gold);
}
.grow { flex: 1; min-width: 0; }
.hist-right { text-align: right; flex-shrink: 0; }
.hist-total { font-weight: 700; color: var(--green-dark); font-size: 15px; }
.badge {
  display: inline-block; margin-top: 3px;
  font-size: 10px; padding: 2px 7px; border-radius: 999px; white-space: nowrap;
}
.b-draft { background: #f0eee6; color: #9a8c5c; }
.b-order { background: #eef1ee; color: var(--muted); }
.b-paid { background: rgba(14,122,67,0.12); color: var(--green-dark); font-weight: 600; }

/* ตัวกรองสถานะ */
.chips { display: flex; gap: 6px; margin: 10px 0; overflow-x: auto; -webkit-overflow-scrolling: touch; }
.chips::-webkit-scrollbar { height: 0; }
.chip {
  flex-shrink: 0; background: #fff; border: 1.5px solid var(--border);
  color: var(--muted); border-radius: 999px; padding: 6px 12px;
  font-size: 13px; font-family: inherit; cursor: pointer; white-space: nowrap;
}
.chip.active {
  border-color: var(--green); background: rgba(14,122,67,0.08);
  color: var(--green-dark); font-weight: 600;
}

/* แบ่งหน้า */
.pager { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-top: 12px; }
.pager .btn { width: auto; margin-top: 0; flex-shrink: 0; }
.pager .btn:disabled { opacity: 0.4; cursor: not-allowed; }
.pager .hint { margin: 0; text-align: center; flex: 1; }

.hist-items {
  margin: 9px 0 0; padding: 8px 10px;
  background: #fafbfa; border-radius: 8px;
}
.hist-item {
  display: flex; justify-content: space-between; gap: 8px;
  font-size: 12px; color: var(--text); padding: 1px 0;
}
.hist-item .q { color: var(--muted); flex-shrink: 0; }

.hist-foot {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: 9px;
}
.hist-foot .hint { margin: 0; }
.hist-btns { display: flex; gap: 6px; flex-shrink: 0; }
.reuse, .del {
  background: #fff; border: 1.5px solid var(--green); color: var(--green-dark);
  border-radius: 8px; padding: 6px 11px; font-size: 12px; font-weight: 600;
  font-family: inherit; cursor: pointer; white-space: nowrap;
}
.reuse:active, .del:active { transform: scale(0.96); }
.del { border-color: #e6c9d3; color: var(--danger); }
.del.danger { background: var(--danger); border-color: var(--danger); color: #fff; }

/* ---------- stage ---------- */
.stage-line { display: flex; align-items: center; gap: 6px; margin: 10px 0; font-size: 13px; }
.stage { color: var(--muted); }
.stage.done { color: var(--green); font-weight: 600; }
.stage-sep { color: var(--border); }

/* ---------- toast ---------- */
.toast {
  position: fixed; left: 12px; right: 12px; bottom: calc(12px + var(--safe-bottom));
  max-width: var(--app-max); margin: 0 auto;
  padding: 12px 14px; border-radius: 10px; font-size: 14px; text-align: center;
  color: #fff; z-index: 100; box-shadow: 0 4px 14px rgba(0,0,0,0.2);
}
.toast.ok { background: var(--green); }
.toast.err { background: var(--danger); }