/* App tiệm — cách B "xuất khi khui". Ưu tiên điện thoại: chữ 18px, nút ≥ 56px, 1 việc chính mỗi màn hình. */
.sapp { --s-pad: 16px; max-width: 640px; margin: 0 auto; min-height: 100vh; min-height: 100dvh; background: var(--color-background); font-size: 18px; line-height: 1.45; padding-bottom: 24px; }
.sapp.with-nav { padding-bottom: 96px; }
.sapp .icon { width: 22px; height: 22px; }
.s-preview { background: var(--warn-bg); color: var(--warn-fg); font-size: 14px; padding: 8px var(--s-pad); text-align: center; }
.s-preview button { background: none; border: 0; color: inherit; font-weight: 700; text-decoration: underline; cursor: pointer; font-size: 14px; }

.s-top { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px var(--s-pad); background: var(--color-primary); color: var(--color-on-primary); }
.s-brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 18px; }
.s-logo { width: 34px; height: 34px; border-radius: 8px; background: var(--color-accent); color: var(--color-on-accent); display: grid; place-items: center; }
.s-who { display: grid; grid-template-columns: auto auto; grid-template-rows: auto auto; column-gap: 8px; align-items: center; background: rgba(255,255,255,.12); color: inherit; border: 1px solid rgba(255,255,255,.3); border-radius: 12px; padding: 6px 12px; min-height: 48px; cursor: pointer; text-align: left; }
.s-who .icon { grid-row: span 2; }
.s-who span { font-weight: 700; font-size: 16px; line-height: 1.1; }
.s-who small { font-size: 12px; opacity: .85; }

.s-msg { display: flex; gap: 10px; align-items: flex-start; margin: 12px var(--s-pad) 0; padding: 14px 16px; border-radius: 12px; font-size: 17px; font-weight: 600; }
.s-msg.ok { background: var(--ok-bg); color: var(--ok-fg); }
.s-msg.err { background: var(--bad-bg); color: var(--bad-fg); }
.s-msg.warn { background: var(--warn-bg); color: var(--warn-fg); }

.s-body { padding: 8px var(--s-pad) 0; outline: none; }
.s-h1 { font-size: 26px; line-height: 1.2; margin: 18px 0 6px; text-align: center; }
.s-h1.left, .s-sub.left { text-align: left; }
.s-h2 { font-size: 19px; margin: 22px 0 10px; display: flex; align-items: center; gap: 8px; }
.s-sub { color: var(--color-muted-foreground); margin: 0 0 16px; text-align: center; font-size: 17px; }
.s-center { text-align: center; padding-top: 12px; }
.s-hint { color: var(--color-muted-foreground); font-size: 15px; margin: 10px 2px 8px; }
.s-note { display: flex; gap: 10px; background: var(--info-bg); color: var(--info-fg); border-radius: 12px; padding: 12px 14px; font-size: 16px; margin: 0 0 14px; }
.s-note .icon { flex: none; margin-top: 2px; }

/* Chọn người + PIN */
.s-names { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; margin-top: 8px; }
.s-name-btn { display: flex; align-items: center; gap: 12px; min-height: 72px; padding: 12px 16px; border-radius: 16px; border: 2px solid var(--color-border-strong); background: var(--color-card); font-size: 20px; font-weight: 700; cursor: pointer; text-align: left; transition: border-color var(--dur) ease, background var(--dur) ease; }
.s-name-btn:hover { border-color: var(--color-accent); }
.s-name-btn.last { border-color: var(--color-accent); background: var(--row-selected); }
.s-avatar { width: 44px; height: 44px; flex: none; border-radius: 50%; display: grid; place-items: center; background: var(--color-accent); color: var(--color-on-accent); font-size: 20px; }
.s-dots { display: flex; justify-content: center; gap: 18px; margin: 18px 0 26px; }
.s-dots span { width: 22px; height: 22px; border-radius: 50%; border: 3px solid var(--color-border-strong); }
.s-dots span.on { background: var(--color-foreground); border-color: var(--color-foreground); }
.s-dots.shake { animation: s-shake .35s; }
@keyframes s-shake { 25% { transform: translateX(-10px); } 75% { transform: translateX(10px); } }
.s-pad { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; max-width: 340px; margin: 0 auto; }
.s-pad button { min-height: 72px; border-radius: 16px; border: 1px solid var(--color-border-strong); background: var(--color-card); font-size: 30px; font-weight: 600; cursor: pointer; display: grid; place-items: center; }
.s-pad button:active { background: var(--row-hover); }
.s-pad .s-pad-alt { font-size: 14px; font-weight: 600; color: var(--color-muted-foreground); padding: 4px; line-height: 1.2; }

/* Tìm + nhóm */
.s-sticky { position: sticky; top: 68px; z-index: 10; background: var(--color-background); padding: 10px 0 6px; margin: 0 calc(-1 * var(--s-pad)); padding-left: var(--s-pad); padding-right: var(--s-pad); }
.s-search { display: flex; align-items: center; gap: 10px; background: var(--color-card); border: 2px solid var(--color-border-strong); border-radius: 14px; padding: 0 12px; min-height: 58px; }
.s-search:focus-within { border-color: var(--color-ring); }
.s-search input { flex: 1; border: 0 !important; outline: none; background: transparent; font-size: 18px; min-height: 54px; padding: 0; box-shadow: none !important; }
.s-clear { background: var(--color-muted); border: 0; border-radius: 50%; width: 36px; height: 36px; display: grid; place-items: center; cursor: pointer; }
.s-chips { display: flex; gap: 8px; overflow-x: auto; padding: 10px 0 2px; scrollbar-width: none; }
.s-chips::-webkit-scrollbar { display: none; }
.s-chips button { flex: none; min-height: 44px; padding: 0 16px; border-radius: 99px; border: 1px solid var(--color-border-strong); background: var(--color-card); font-size: 16px; font-weight: 600; cursor: pointer; }
.s-chips button[aria-selected="true"] { background: var(--color-foreground); color: var(--color-background); border-color: var(--color-foreground); }

/* Danh sách món */
.s-list { display: grid; gap: 8px; }
.s-list.muted { opacity: .7; margin-top: 8px; }
.s-item { display: flex; align-items: center; gap: 10px; background: var(--color-card); border: 2px solid var(--color-border); border-radius: 14px; padding: 8px 10px 8px 8px; min-height: 72px; transition: border-color var(--dur) ease, background var(--dur) ease; }
.s-item.on { border-color: var(--color-accent); background: var(--row-selected); }
.s-item.diff { border-color: var(--warn-fg); }
.s-item.muted { opacity: .6; }
.s-item-main { flex: 1; min-width: 0; display: flex; align-items: center; gap: 12px; background: none; border: 0; padding: 4px; text-align: left; cursor: pointer; font: inherit; color: inherit; }
.s-item-main.static { cursor: default; }
.s-shade { flex: none; min-width: 64px; padding: 6px 8px; border-radius: 10px; background: var(--color-muted); font-family: var(--font-mono); font-weight: 700; font-size: 20px; text-align: center; }
.s-iname { min-width: 0; display: grid; }
.s-iname b { font-size: 18px; line-height: 1.25; }
.s-iname small { color: var(--color-muted-foreground); font-size: 14px; }
.s-right { flex: none; display: flex; flex-direction: column; align-items: flex-end; gap: 4px; }
.s-left { font-size: 14px; color: var(--color-muted-foreground); white-space: nowrap; }
.s-left.low { color: var(--warn-fg); font-weight: 700; }
.s-left.zero { color: var(--bad-fg); font-weight: 700; }
.s-unit { font-size: 13px; color: var(--color-muted-foreground); }
.s-plus { width: 56px; height: 56px; border-radius: 14px; border: 0; background: var(--color-accent); color: var(--color-on-accent); font-size: 32px; font-weight: 700; cursor: pointer; line-height: 1; }
.s-step { display: flex; align-items: center; gap: 4px; }
.s-step button { width: 48px; height: 48px; border-radius: 12px; border: 1px solid var(--color-border-strong); background: var(--color-card); font-size: 26px; font-weight: 700; cursor: pointer; line-height: 1; }
.s-step button:last-child { background: var(--color-accent); color: var(--color-on-accent); border-color: transparent; }
.s-step button:disabled { opacity: .35; cursor: not-allowed; }
.s-step b { min-width: 34px; text-align: center; font-size: 22px; font-variant-numeric: tabular-nums; }
.s-count { font-size: 26px; font-weight: 700; font-variant-numeric: tabular-nums; text-align: right; }
.s-count small { display: block; font-size: 12px; font-weight: 500; color: var(--color-muted-foreground); }
.s-count.low { color: var(--warn-fg); }
.s-count.zero { color: var(--bad-fg); }
.s-warn { display: flex; gap: 6px; align-items: flex-start; color: var(--warn-fg); font-style: normal; font-size: 14px; font-weight: 600; margin-top: 4px; }
.s-warn .icon { width: 16px; height: 16px; flex: none; margin-top: 2px; }
.s-warn.block { background: var(--warn-bg); padding: 10px 12px; border-radius: 10px; justify-content: center; }
.s-empty { text-align: center; color: var(--color-muted-foreground); padding: 28px 12px; }
.s-empty .icon { width: 40px; height: 40px; }
.s-empty.big h1 { font-size: 22px; color: var(--color-foreground); }

/* Nút */
.s-btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 56px; padding: 0 22px; border-radius: 14px; border: 2px solid transparent; font-size: 18px; font-weight: 700; cursor: pointer; transition: background var(--dur) ease; }
.s-btn.primary { background: var(--color-accent); color: var(--color-on-accent); }
.s-btn.primary:hover { background: var(--color-accent-hover); }
.s-btn.ghost { background: var(--color-card); color: var(--color-foreground); border-color: var(--color-border-strong); font-weight: 600; }
.s-btn.xl { min-height: 64px; font-size: 20px; width: 100%; }
.s-actions { display: grid; gap: 12px; margin: 22px 0 8px; }
.s-cartbar { position: fixed; left: 50%; transform: translateX(-50%); bottom: calc(84px + env(safe-area-inset-bottom)); width: min(608px, calc(100% - 24px)); z-index: 25; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 10px 10px 18px; border-radius: 18px; background: var(--color-foreground); color: var(--color-background); box-shadow: 0 10px 25px rgba(0,0,0,.25); }
.s-cartbar span { font-size: 18px; }
.s-cartbar .s-btn { min-height: 52px; }

/* Lý do + ảnh + ô nhập */
.s-reasons { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.s-reasons button { display: flex; align-items: center; gap: 10px; min-height: 64px; padding: 10px 12px; border-radius: 14px; border: 2px solid var(--color-border-strong); background: var(--color-card); font-size: 16px; font-weight: 600; text-align: left; cursor: pointer; }
.s-reasons button[aria-checked="true"] { border-color: var(--color-accent); background: var(--row-selected); color: var(--ok-fg); }
.s-photo { display: flex; align-items: center; justify-content: center; gap: 10px; min-height: 64px; margin: 14px 0; border: 2px dashed var(--color-border-strong); border-radius: 14px; background: var(--color-card); font-weight: 600; cursor: pointer; text-align: center; padding: 8px 12px; }
.s-photo.has { border-style: solid; border-color: var(--color-accent); color: var(--ok-fg); background: var(--row-selected); }
.s-photo input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.s-field { display: grid; gap: 6px; margin: 14px 0; font-weight: 600; font-size: 16px; }
.s-field input, .s-field select { min-height: 56px; font-size: 18px; border-radius: 12px; padding: 0 14px; width: 100%; }

/* Xong */
.s-done { text-align: center; padding-top: 18px; }
.s-done-icon { width: 96px; height: 96px; margin: 8px auto 4px; border-radius: 50%; background: var(--ok-bg); color: var(--ok-fg); display: grid; place-items: center; }
.s-done-icon .icon { width: 56px; height: 56px; stroke-width: 2.5; }
.s-done-list { list-style: none; padding: 0; margin: 12px 0; text-align: left; display: grid; gap: 8px; }
.s-done-list li { display: flex; justify-content: space-between; gap: 10px; background: var(--color-card); border: 1px solid var(--color-border); border-radius: 12px; padding: 12px 14px; }
.s-done-list small { color: var(--color-muted-foreground); white-space: nowrap; }

.s-card { background: var(--color-card); border: 1px solid var(--color-border); border-radius: 16px; padding: 4px 14px 14px; margin-bottom: 14px; }

/* Thanh dưới */
.s-state { display: flex; gap: 12px; align-items: flex-start; padding: 14px; margin: 8px 0 14px; border-width: 2px; }
.s-state > .icon { width: 28px; height: 28px; flex: none; margin-top: 2px; }
.s-state b { font-size: 17px; display: block; }
.s-state p { margin: 6px 0 0; color: var(--color-muted-foreground); font-size: 16px; }
.s-state.ok { border-color: var(--color-accent); background: var(--row-selected); }
.s-state.ok > .icon { color: var(--ok-fg); }
.s-state.open { border-color: var(--info-fg); background: var(--info-bg); }
.s-state.open > .icon { color: var(--info-fg); }
.s-state.wait > .icon, .s-state.lock > .icon { color: var(--warn-fg); }
.s-state.lock { background: var(--color-card); }
.s-iname small em { color: var(--warn-fg); font-style: normal; font-weight: 700; }
.s-nav { position: fixed; left: 0; right: 0; bottom: 0; z-index: 30; display: grid; grid-template-columns: repeat(5, 1fr); background: var(--color-card); border-top: 1px solid var(--color-border); padding-bottom: env(safe-area-inset-bottom); }
.s-nav button { position: relative; display: grid; justify-items: center; align-content: start; gap: 2px; min-height: 68px; padding: 8px 1px; background: none; border: 0; color: var(--color-muted-foreground); font-size: 12.5px; font-weight: 600; line-height: 1.2; cursor: pointer; text-align: center; }
.s-nav button[aria-current="page"] { color: var(--ok-fg); }
.s-nav button[aria-current="page"]::before { content: ""; position: absolute; top: 0; left: 25%; right: 25%; height: 3px; border-radius: 0 0 3px 3px; background: var(--color-accent); }
.s-dot { position: absolute; top: 6px; right: calc(50% - 22px); min-width: 20px; height: 20px; border-radius: 99px; background: var(--color-destructive); color: var(--color-on-destructive); font-size: 12px; line-height: 20px; padding: 0 5px; }
@media (min-width: 680px) { .s-nav { left: 50%; transform: translateX(-50%); width: 640px; border-left: 1px solid var(--color-border); border-right: 1px solid var(--color-border); } }

/* Phản hồi khi bấm: nút lún nhẹ 3% trong 0,1 giây để biết đã bấm trúng (không chạy hiệu ứng nào khác) */
.s-plus, .s-step button, .s-btn, .s-pad button, .s-name-btn, .s-reasons button, .s-nav button, .s-chips button, .s-item-main, .s-photo {
  transition: transform 100ms ease-out, background var(--dur) ease, border-color var(--dur) ease;
  touch-action: manipulation; -webkit-tap-highlight-color: transparent;
}
.s-plus:active, .s-step button:active:not(:disabled), .s-btn:active, .s-pad button:active, .s-name-btn:active, .s-reasons button:active, .s-nav button:active, .s-chips button:active, .s-photo:active { transform: scale(0.97); }
.s-item-main:active { transform: scale(0.99); }
.s-h1, .s-h2 { text-wrap: balance; }
.s-sub, .s-note, .s-hint { text-wrap: pretty; }

/* Tem QR (in) */
.qr-tem { width: 360px; max-width: 100%; margin: 0 auto; border: 3px solid #0f172a; border-radius: 18px; padding: 20px; text-align: center; background: #fff; color: #0f172a; }
.qr-tem h3 { font-size: 26px; margin: 0 0 4px; }
.qr-tem .qr-box svg { width: 240px; height: 240px; }
.qr-tem ol { text-align: left; font-size: 16px; padding-left: 22px; margin: 10px 0 0; }
.qr-tem .qr-url { font-family: var(--font-mono); font-size: 11px; word-break: break-all; color: #475569; }
@media print {
  body * { visibility: hidden !important; }
  .print-area, .print-area * { visibility: visible !important; }
  .print-area { position: absolute; left: 0; top: 0; width: 100%; }
  .no-print { display: none !important; }
}

.s-clear[hidden] { display: none !important; }