/* Mon Amie Sales — giao diện điện thoại. Đen · trắng · xám, vàng đồng chỉ để nhấn. Chữ ≥ 16px, nút ≥ 48px. */
:root {
  --den: #0A0A0A; --trang: #FFFFFF; --nen: #F3F3F1; --vien: #E2E2DF; --phu: #62625F; --vang: #B8912F;
  --xanh: #1F6B45; --xanh-nen: #E5F1EA; --do: #A3231B; --do-nen: #F9E5E3; --cam: #94560F; --cam-nen: #F8EDDC;
  --chu: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --tieude: "Oswald", "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
  color-scheme: light;
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; background: var(--nen); color: var(--den); font: 16px/1.45 var(--chu); }
body { padding-bottom: calc(76px + env(safe-area-inset-bottom, 0px)); }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--vang); outline-offset: 2px; }
[hidden] { display: none !important; }

/* đầu trang */
#dau { position: sticky; top: 0; z-index: 20; background: var(--den); color: var(--trang); display: flex; align-items: center; gap: 8px;
  padding: calc(10px + env(safe-area-inset-top, 0px)) max(14px, env(safe-area-inset-right, 0px)) 12px max(14px, env(safe-area-inset-left, 0px)); }
.dau-chu { flex: 1; min-width: 0; }
#tieu-de { font-size: 18px; font-weight: 700; letter-spacing: .03em; text-transform: uppercase; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
#phu-de { font-size: 13px; opacity: .75; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
#nut-lui { background: none; border: 0; color: var(--trang); font-size: 34px; line-height: 1; width: 40px; height: 44px; padding: 0; }
#nut-cn { background: #262624; border: 1px solid #3a3a38; color: var(--trang); border-radius: 999px; padding: 6px 12px; font-size: 13px; white-space: nowrap; }

main { padding: 12px max(12px, env(safe-area-inset-right, 0px)) 24px max(12px, env(safe-area-inset-left, 0px)); display: grid; gap: 12px; align-content: start; max-width: 640px; margin: 0 auto; }

/* thanh dưới */
#duoi { position: fixed; left: 0; right: 0; bottom: 0; z-index: 20; background: var(--trang); border-top: 1px solid var(--vien);
  display: grid; grid-template-columns: repeat(5, 1fr); padding: 4px 4px calc(6px + env(safe-area-inset-bottom, 0px)); }
#duoi button { background: none; border: 0; display: grid; justify-items: center; gap: 2px; font-size: 12px; color: var(--phu); min-height: 54px; padding: 4px 0; }
#duoi button i { font-style: normal; font-size: 20px; line-height: 1.1; }
#duoi button.on { color: var(--den); font-weight: 700; }
#duoi .cong i { background: var(--den); color: var(--trang); width: 46px; height: 46px; border-radius: 50%; display: grid; place-items: center; font-size: 26px; margin-top: -20px; box-shadow: 0 0 0 4px var(--trang); }

/* khối */
.the { background: var(--trang); border: 1px solid var(--vien); border-radius: 14px; padding: 12px 14px; display: grid; gap: 10px; min-width: 0; }
.the > h2 { margin: 0; font-size: 16px; display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.the > h2 em { font-style: normal; background: var(--den); color: var(--trang); border-radius: 999px; padding: 0 9px; font-size: 13px; min-width: 26px; text-align: center; }
.the.do > h2 em { background: var(--do); }
.dong { display: grid; gap: 3px; padding-top: 10px; border-top: 1px solid var(--vien); min-width: 0; }
.the > h2 + .dong, .the > .dong:first-child { border-top: 0; padding-top: 0; }
.dong .ten { font-weight: 650; overflow-wrap: anywhere; }
.dong .phu { color: var(--phu); font-size: 14px; overflow-wrap: anywhere; }
.dong.bam { cursor: pointer; }
.hang-nut { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 4px; }
.nut-nho { border: 1px solid var(--vien); background: var(--trang); border-radius: 10px; padding: 8px 12px; font-size: 14px; font-weight: 600; min-height: 40px; text-decoration: none; color: var(--den); display: inline-flex; align-items: center; gap: 4px; }
.nut-nho.den { background: var(--den); color: var(--trang); border-color: var(--den); }
.them-nua { color: var(--phu); font-size: 14px; }

.nhan { display: inline-block; font-size: 12.5px; font-weight: 700; border-radius: 999px; padding: 1px 9px; vertical-align: 1px; white-space: nowrap; }
.nhan.ok { background: var(--xanh-nen); color: var(--xanh); }
.nhan.bad { background: var(--do-nen); color: var(--do); }
.nhan.warn { background: var(--cam-nen); color: var(--cam); }

.kpi { background: var(--den); color: var(--trang); border-radius: 14px; padding: 12px 14px; display: flex; justify-content: space-between; align-items: baseline; gap: 10px; }
.kpi b { font-size: 24px; font-variant-numeric: tabular-nums; letter-spacing: .01em; }
.kpi small { opacity: .8; font-size: 13px; }

.chuyen { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--den); border-radius: 10px; overflow: hidden; }
.chuyen button { background: var(--trang); border: 0; padding: 9px 4px; font-weight: 600; font-size: 14px; }
.chuyen button.on { background: var(--den); color: var(--trang); }

/* nút lớn */
.nut-lon { width: 100%; background: var(--den); color: var(--trang); border: 0; border-radius: 12px; padding: 14px; font-size: 17px; font-weight: 700; min-height: 54px; }
.nut-lon small { display: block; font-weight: 400; font-size: 13px; opacity: .75; margin-top: 2px; }
.nut-lon[disabled] { opacity: .5; }
.nut-lon.trang { background: var(--trang); color: var(--den); border: 1.5px solid var(--den); }
.menu-ghi { display: grid; gap: 10px; }
.menu-ghi button { text-align: left; background: var(--trang); border: 1px solid var(--vien); border-radius: 14px; padding: 16px; display: grid; gap: 2px; min-height: 64px; }
.menu-ghi b { font-size: 17px; }
.menu-ghi small { color: var(--phu); font-size: 14px; }

/* ô nhập */
.o { display: grid; gap: 5px; }
.o > label, .o > .nhan-o { font-size: 13px; font-weight: 700; color: var(--phu); text-transform: uppercase; letter-spacing: .05em; }
.o .bb::after { content: " *"; color: var(--do); }
.o input[type=text], .o input[type=tel], .o input[type=date], .o input[type=password], .o input[type=number], .o select, .o textarea, .tim-o input {
  width: 100%; border: 1px solid var(--vien); border-radius: 10px; padding: 12px; background: var(--trang); min-height: 48px; font-size: 16px; }
.o textarea { min-height: 84px; resize: vertical; }
.o .goiy { font-size: 13.5px; color: var(--phu); }
.hai-o { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.tick { display: flex; gap: 10px; align-items: center; font-size: 15px; min-height: 44px; }
.tick input { width: 22px; height: 22px; }

.chips { display: flex; flex-wrap: wrap; gap: 7px; }
.chips button { border: 1px solid var(--vien); background: var(--trang); border-radius: 999px; padding: 8px 14px; font-size: 15px; min-height: 42px; }
.chips button.on { background: var(--den); color: var(--trang); border-color: var(--den); font-weight: 600; }
.chips.nho button { padding: 6px 11px; font-size: 14px; min-height: 38px; }
.dinh-nghia { font-size: 14px; color: var(--phu); background: var(--nen); border-left: 3px solid var(--vang); padding: 8px 10px; border-radius: 0 8px 8px 0; }

.dem { display: flex; align-items: center; justify-content: space-between; gap: 10px; min-height: 48px; }
.dem .tm { flex: 1; min-width: 0; }
.dem .tm small { display: block; color: var(--phu); font-size: 13px; }
.dem .bo { display: flex; align-items: center; gap: 6px; }
.dem .bo button { width: 44px; height: 44px; border-radius: 10px; border: 1px solid var(--vien); background: var(--trang); font-size: 22px; line-height: 1; }
.dem .bo output { min-width: 28px; text-align: center; font-weight: 700; font-size: 18px; font-variant-numeric: tabular-nums; }

.mat { display: grid; grid-template-columns: repeat(5, 1fr); gap: 6px; }
.mat button { border: 1px solid var(--vien); background: var(--trang); border-radius: 12px; padding: 8px 2px; display: grid; gap: 3px; justify-items: center; font-size: 12px; line-height: 1.2; min-height: 72px; }
.mat button i { font-style: normal; font-size: 26px; }
.mat button.on { border: 2px solid var(--den); font-weight: 700; background: var(--nen); }

.anh-o { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.anh-o .thu { position: relative; width: 76px; height: 76px; border-radius: 10px; overflow: hidden; background: var(--nen); border: 1px solid var(--vien); }
.anh-o .thu img { width: 100%; height: 100%; object-fit: cover; display: block; }
.anh-o .thu button { position: absolute; top: 2px; right: 2px; width: 26px; height: 26px; border-radius: 50%; border: 0; background: rgba(10,10,10,.75); color: #fff; font-size: 14px; line-height: 1; }
.anh-o .thu.dang::after { content: "…"; position: absolute; inset: 0; display: grid; place-items: center; background: rgba(255,255,255,.7); font-size: 22px; }
.anh-o label.them { width: 76px; height: 76px; border: 1.5px dashed var(--phu); border-radius: 10px; display: grid; place-items: center; text-align: center; font-size: 13px; color: var(--phu); cursor: pointer; }

.bang-mon { display: grid; gap: 0; }
.bang-mon .dem + .dem { border-top: 1px solid var(--vien); }
.tieu { margin: 4px 0 0; font-size: 13px; font-weight: 700; color: var(--phu); text-transform: uppercase; letter-spacing: .06em; }
.trong { color: var(--phu); text-align: center; padding: 18px 8px; }
.loi { background: var(--do-nen); color: var(--do); border-radius: 10px; padding: 10px 12px; font-weight: 600; }
.ok-bao { background: var(--xanh-nen); color: var(--xanh); border-radius: 10px; padding: 10px 12px; font-weight: 600; }
.canh { background: var(--cam-nen); color: var(--cam); border-radius: 10px; padding: 10px 12px; }
.mon-sua { border: 1px solid var(--vien); border-radius: 12px; padding: 12px; display: grid; gap: 10px; }
.mon-sua h3 { margin: 0; font-size: 16px; display: flex; justify-content: space-between; gap: 6px; }

.dong-tg { display: grid; gap: 7px; }
.dong-tg div { display: grid; grid-template-columns: 14px 1fr auto; gap: 8px; align-items: center; font-size: 15px; }
.dong-tg i { width: 12px; height: 12px; border-radius: 50%; background: var(--den); display: block; }
.dong-tg small { color: var(--phu); font-variant-numeric: tabular-nums; }

.cot6 { display: flex; align-items: flex-end; gap: 8px; height: 110px; padding: 18px 0 20px; }
.cot6 div { flex: 1; background: var(--vien); border-radius: 5px 5px 0 0; position: relative; min-height: 2px; }
.cot6 div.nay { background: var(--den); }
.cot6 div span { position: absolute; bottom: -19px; left: 0; right: 0; text-align: center; font-size: 12px; color: var(--phu); }
.cot6 div b { position: absolute; top: -18px; left: -6px; right: -6px; text-align: center; font-size: 11px; font-weight: 600; color: var(--phu); white-space: nowrap; }

.qr { display: grid; grid-template-columns: auto 1fr; gap: 12px; align-items: center; }
.qr .ma { width: 132px; height: 132px; background: #fff; border: 1px solid var(--vien); border-radius: 8px; padding: 4px; }
.qr .ma svg, .qr .ma img { width: 100%; height: 100%; display: block; }

/* lớp phủ (hộp chọn) */
#lop { position: fixed; inset: 0; z-index: 40; background: rgba(10,10,10,.45); display: flex; align-items: flex-end; justify-content: center; }
.hop { background: var(--trang); width: 100%; max-width: 640px; max-height: 88vh; overflow: auto; border-radius: 18px 18px 0 0;
  padding: 16px max(16px, env(safe-area-inset-right, 0px)) calc(18px + env(safe-area-inset-bottom, 0px)) max(16px, env(safe-area-inset-left, 0px)); display: grid; gap: 12px; }
.hop h2 { margin: 0; font-size: 18px; }

#bao { position: fixed; left: 50%; transform: translateX(-50%); bottom: calc(88px + env(safe-area-inset-bottom, 0px)); z-index: 50; display: grid; gap: 6px; width: min(92vw, 520px); pointer-events: none; }
#bao div { background: var(--den); color: var(--trang); border-radius: 12px; padding: 12px 14px; font-weight: 600; box-shadow: 0 6px 20px rgba(0,0,0,.25); }
#bao div.loi { background: var(--do); color: #fff; }
#nhap-cho { background: var(--cam-nen); color: var(--cam); padding: 10px max(14px, env(safe-area-inset-left, 0px)); display: flex; gap: 10px; align-items: center; justify-content: space-between; font-weight: 600; }

.dn { max-width: 420px; margin: 8vh auto 0; }
.dn .logo { text-align: center; font-family: var(--tieude); letter-spacing: .12em; font-size: 28px; font-weight: 700; }
.dn .logo small { display: block; font-size: 13px; letter-spacing: .3em; color: var(--phu); font-weight: 600; }
@media (prefers-reduced-motion: no-preference) { #bao div { animation: hien .18s ease-out; } @keyframes hien { from { opacity: 0; transform: translateY(8px); } } }