/* Layout: iPad landscape 1180x820 stage, scaled to fit. Left = products, right = cart. White/black base, pink accent. */
:root{
  --bg:#ffffff; --surface:#f5f4f4; --line:#e3e1e1; --fg:#111010; --mute:#6b6666;
  --pink:#d6207a; --pink-ink:#ffffff; --pink-soft:#fde8f1; --ink:#111010; --ink-fg:#ffffff;
  --warn-bg:#fff4d6; --warn-fg:#5a4300; --danger:#b3261e;
  --font:-apple-system,BlinkMacSystemFont,"Hiragino Sans","Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;
  --num:-apple-system,BlinkMacSystemFont,"SF Pro Display","Helvetica Neue",Arial,sans-serif;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#0d0c0c; --surface:#1a1818; --line:#2e2b2b; --fg:#f6f4f4; --mute:#a09a9a;
  --pink:#ff5aa5; --pink-ink:#14040b; --pink-soft:#3a1426; --ink:#f6f4f4; --ink-fg:#0d0c0c;
  --warn-bg:#3a2f0b; --warn-fg:#ffe7a1; --danger:#ff8a80; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0d0c0c; --surface:#1a1818; --line:#2e2b2b; --fg:#f6f4f4; --mute:#a09a9a;
  --pink:#ff5aa5; --pink-ink:#14040b; --pink-soft:#3a1426; --ink:#f6f4f4; --ink-fg:#0d0c0c;
  --warn-bg:#3a2f0b; --warn-fg:#ffe7a1; --danger:#ff8a80; color-scheme:dark}
*{box-sizing:border-box}
html,body{height:100%;margin:0}
body{background:var(--bg);color:var(--fg);font-family:var(--font);overscroll-behavior:none;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;-webkit-tap-highlight-color:transparent}
input{-webkit-user-select:text;user-select:text}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none;touch-action:manipulation}
button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid var(--pink);outline-offset:2px}
#app{position:fixed;inset:0;display:flex;flex-direction:column;background:var(--bg);overflow:hidden;
  padding:env(safe-area-inset-top,0px) env(safe-area-inset-right,0px) env(safe-area-inset-bottom,0px) env(safe-area-inset-left,0px)}
#rotate{display:none;position:fixed;inset:0;z-index:99;background:var(--bg);align-items:center;justify-content:center;text-align:center;font-size:22px;font-weight:700;padding:40px;line-height:1.7}
@media (orientation:portrait){#rotate{display:flex}}
.num{font-family:var(--num);font-variant-numeric:tabular-nums}
/* header */
header{height:64px;flex:none;display:flex;align-items:center;gap:28px;padding:0 24px;border-bottom:1px solid var(--line)}
.logo{font-family:var(--num);font-weight:800;font-size:26px;letter-spacing:.06em;display:flex;align-items:center;gap:8px}
.logo i{width:12px;height:12px;border-radius:50%;background:var(--pink);display:block}
nav{display:flex;gap:6px;height:100%;align-items:stretch}
nav button{padding:0 18px;font-weight:700;font-size:16px;color:var(--mute);border-bottom:4px solid transparent;margin-top:4px}
nav button[aria-current=true]{color:var(--fg);border-bottom-color:var(--pink)}
.hright{margin-left:auto;display:flex;gap:12px;align-items:center;color:var(--mute);font-size:14px}
.menu{position:relative;height:40px;padding:0 16px;border-radius:99px;font-size:13px;color:var(--mute);border:1px solid var(--line)}
.menu .dot{position:absolute;top:2px;right:2px;width:9px;height:9px;border-radius:50%;background:var(--pink)}
main{flex:1;min-height:0;display:flex}
/* buttons */
.btn{height:52px;padding:0 24px;border-radius:12px;font-weight:700;font-size:17px;background:var(--surface);border:1px solid var(--line)}
.btn.pri{background:var(--pink);color:var(--pink-ink);border-color:var(--pink)}
.btn.ink{background:var(--ink);color:var(--ink-fg);border-color:var(--ink)}
.btn.danger{color:var(--danger);border-color:var(--danger);background:transparent}
.btn.sm{height:40px;padding:0 14px;font-size:14px;border-radius:10px}
.btn[disabled]{opacity:.35;cursor:not-allowed}
/* register */
.left{flex:1;min-width:0;display:flex;flex-direction:column;padding:18px 20px 20px}
.banner{display:flex;align-items:center;gap:12px;background:var(--warn-bg);color:var(--warn-fg);border-radius:12px;padding:8px 8px 8px 16px;font-size:14px;margin-bottom:12px}
.banner .btn{margin-left:auto}
.cats{display:flex;gap:8px;align-items:center;margin-bottom:14px}
.cats .chip{height:46px;padding:0 22px;border-radius:99px;font-weight:700;font-size:16px;border:1px solid var(--line);background:var(--bg)}
.cats .chip[aria-pressed=true]{background:var(--ink);color:var(--ink-fg);border-color:var(--ink)}
.cats .btn{margin-left:auto}
.grid{flex:1;min-height:0;overflow-y:auto;display:flex;flex-direction:column;gap:14px}
.vh{display:flex;align-items:center;gap:12px;margin-bottom:8px;font-weight:700;font-size:15px;letter-spacing:.04em}
.vh i{flex:1;height:2px;background:var(--ink);opacity:.9}
.vh::before{content:"";width:10px;height:10px;border-radius:50%;background:var(--pink)}
.vrow{display:grid;grid-template-columns:repeat(3,1fr);grid-auto-rows:100px;gap:12px}
.prod{position:relative;text-align:left;padding:14px 16px;border-radius:16px;background:var(--surface);border:1px solid var(--line);display:flex;flex-direction:column;justify-content:space-between}
.prod:active{transform:scale(.97);background:var(--pink-soft);border-color:var(--pink)}
.prod b{font-size:20px;line-height:1.25}
.prod .pr{font-size:20px;font-weight:800}
.cart{width:380px;flex:none;border-left:1px solid var(--line);display:flex;flex-direction:column;background:var(--bg)}
.cart h2{margin:0;padding:18px 20px 10px;font-size:15px;color:var(--mute);font-weight:500;display:flex;justify-content:space-between}
.lines{flex:1;overflow-y:auto;padding:0 20px}
.line{display:grid;grid-template-columns:1fr auto;gap:6px 10px;padding:12px 0;border-bottom:1px solid var(--line)}
.line .nm{font-weight:700;font-size:17px}
.line .sub{text-align:right;font-weight:700;font-size:17px}
.qty{display:flex;align-items:center;gap:4px}
.qty button{width:44px;height:44px;border-radius:12px;background:var(--surface);border:1px solid var(--line);font-size:22px;font-weight:700}
.qty span{min-width:34px;text-align:center;font-weight:800;font-size:18px}
.empty{color:var(--mute);text-align:center;padding:60px 10px;font-size:15px}
.total{padding:16px 20px 20px;border-top:1px solid var(--line);display:grid;gap:12px}
.total .row{display:flex;justify-content:space-between;align-items:baseline}
.total .big{font-size:46px;font-weight:800;line-height:1}
.total .lbl{color:var(--mute);font-size:15px}
/* panels */
.page{flex:1;min-width:0;overflow-y:auto;padding:22px 28px 28px}
.page h1{margin:0 0 14px;font-size:22px}
.page h3{margin:0 0 10px;font-size:16px}
.stats{display:flex;gap:14px;margin-bottom:20px}
.stat{flex:1;padding:16px 20px;border-radius:16px;background:var(--surface);border:1px solid var(--line)}
.stat small{color:var(--mute);font-size:13px}
.stat div{font-size:34px;font-weight:800;margin-top:2px}
.stat.hi{background:var(--ink);color:var(--ink-fg);border-color:var(--ink)}
.stat.hi small{color:inherit;opacity:.7}
.dash{overflow:hidden;display:flex;flex-direction:column;padding:16px 24px 20px}
.dh{display:flex;align-items:center;gap:14px;margin-bottom:12px}.dh h1{margin:0}
.dash .stats{margin-bottom:14px}.dash .stat{padding:12px 18px}.dash .stat div{font-size:30px}
.dg{flex:1;min-height:0;display:grid;grid-template-columns:1.25fr 1fr;gap:14px}
.dl{display:flex;flex-direction:column;gap:14px;min-height:0}.dsub{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.dr{min-height:0;overflow-y:auto}.dash td{padding:8px 0}.dash .vn{display:block;font-size:11px;color:var(--mute)}.dash h3{margin-bottom:6px}
.box{border:1px solid var(--line);border-radius:16px;padding:16px 18px}
table{width:100%;border-collapse:collapse;font-size:15px}
th{text-align:left;color:var(--mute);font-weight:500;font-size:13px;padding:4px 0 8px}
td{padding:9px 0;border-top:1px solid var(--line)}
td.r,th.r{text-align:right}
.bar{height:6px;border-radius:3px;background:var(--surface);margin-top:5px;overflow:hidden}
.bar i{display:block;height:100%;background:var(--pink)}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:12px;overflow:hidden;margin-bottom:16px}
.seg button{padding:0 18px;height:42px;font-weight:700;font-size:15px}
.seg button[aria-pressed=true]{background:var(--ink);color:var(--ink-fg)}
.tag{font-size:12px;font-weight:700;padding:2px 9px;border-radius:99px;background:var(--surface);border:1px solid var(--line)}
.tag.void{background:transparent;color:var(--danger);border-color:var(--danger)}
.tag.pk{background:var(--pink-soft);color:var(--pink);border-color:var(--pink)}
.split{display:flex;gap:20px;height:100%}
.list{flex:1.1;min-width:0;overflow-y:auto}
.item{display:grid;grid-template-columns:70px 1fr auto;gap:10px;align-items:center;padding:12px 14px;border-radius:12px;width:100%;text-align:left;border:1px solid transparent}
.item[aria-pressed=true]{background:var(--pink-soft);border-color:var(--pink)}
.item+.item{margin-top:2px}
.void-t{text-decoration:line-through;color:var(--mute)}
.detail{flex:1;min-width:0;border:1px solid var(--line);border-radius:16px;padding:20px;align-self:flex-start}
.confirm{margin-top:16px;padding:14px;border-radius:12px;background:var(--surface);border:1px solid var(--danger);display:grid;gap:10px}
/* products admin */
.prow{display:grid;grid-template-columns:1fr auto auto;gap:8px;align-items:center;padding:8px 0;border-top:1px solid var(--line)}
.prow.off .nm{color:var(--mute)}
.ib{width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:var(--surface);font-size:16px}
.tog{height:40px;padding:0 12px;border-radius:10px;border:1px solid var(--line);font-size:13px;font-weight:700}
.tog[aria-pressed=true]{background:var(--pink);color:var(--pink-ink);border-color:var(--pink)}
.field{display:grid;gap:5px;margin-bottom:12px;font-size:13px;color:var(--mute)}
input[type=text],input[type=number],select{height:46px;border-radius:10px;border:1px solid var(--line);background:var(--bg);color:var(--fg);padding:0 12px;font:inherit;font-size:17px;width:100%}
pre{margin:0;padding:12px;border-radius:12px;background:var(--surface);font-size:12px;overflow-x:auto;line-height:1.6}
/* overlays */
.ov{position:absolute;inset:0;background:rgba(10,8,9,.55);display:flex;align-items:center;justify-content:center;z-index:5}
.sheet{background:var(--bg);border-radius:22px;border:1px solid var(--line);width:760px;max-height:760px;display:flex;overflow:hidden}
.sheet.narrow{width:520px;flex-direction:column}
.pay-l{flex:1;padding:26px;display:flex;flex-direction:column;gap:14px}
.pay-r{width:330px;background:var(--surface);padding:22px;display:grid;grid-template-columns:repeat(3,1fr);gap:10px;align-content:center}
.key{height:74px;border-radius:14px;background:var(--bg);border:1px solid var(--line);font-size:28px;font-weight:700;font-family:var(--num)}
.key:active{background:var(--pink-soft)}
.disp{border:2px solid var(--ink);border-radius:14px;padding:12px 16px;text-align:right;font-size:40px;font-weight:800;min-height:68px}
.kv{display:flex;justify-content:space-between;align-items:baseline;font-size:17px}
.kv b.num{font-size:30px}
.change{font-size:52px;font-weight:800;color:var(--pink)}
.cust{background:var(--bg);z-index:8;flex-direction:column;justify-content:space-between;padding:24px}
.cust .face{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;transition:transform 1.1s cubic-bezier(.45,0,.15,1)}
.cust .face.flip{transform:rotate(180deg)}
.cust .face .amt,.cust .face small{transition:transform 1.1s cubic-bezier(.45,0,.15,1)}
.cust .face small{font-size:30px;color:var(--mute);letter-spacing:.2em}
.cust .face .amt{font-size:clamp(80px,15vw,210px);font-weight:800;line-height:1;letter-spacing:-.02em}
.cust .face .amt span{font-size:.4em;margin-right:12px;color:var(--pink)}
.cust .face .cb{width:140px;height:10px;border-radius:5px;background:var(--pink)}
.opb{display:flex;align-items:center;gap:14px;padding-top:16px;border-top:1px solid var(--line)}
.opb .tot{margin-right:auto}.opb .tot small{display:block;color:var(--mute);font-size:13px}.opb .tot b{font-size:30px}
.opb .btn.back{height:76px}.opb .pbtn{height:76px;min-width:200px;font-size:26px;border-radius:16px}
.ov.top{z-index:9}
.toast{position:absolute;left:50%;bottom:24px;transform:translateX(-50%);background:var(--ink);color:var(--ink-fg);padding:12px 20px;border-radius:99px;font-size:15px;font-weight:700;z-index:9}
.note{color:var(--mute);font-size:13px;line-height:1.6}
@media (prefers-reduced-motion:reduce){.cust .face{transition:none}}
.ib[disabled]{opacity:.3;cursor:not-allowed}