:root{
  --paper:#F6F1E7; --paper-2:#EFE7D6; --card:#FFFDF8; --ink:#1E1B16; --ink-2:#57514A; --ink-3:#8C857B;
  --red:#930101; --red-2:#B3261E; --olive:#6B6432; --line:#E2D8C4; --ok:#3F6B3A;
  --serif:"Noto Serif TC","Songti TC","PMingLiU",serif;
  --sans:-apple-system,BlinkMacSystemFont,"PingFang TC","Microsoft JhengHei",sans-serif;
  --r:14px; --shadow:0 1px 2px rgba(60,40,10,.06),0 6px 20px rgba(60,40,10,.06);
  --bar-h:84px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.5;padding-bottom:calc(var(--bar-h) + env(safe-area-inset-bottom) + 16px)}
button,input{font:inherit;color:inherit}
img{max-width:100%;display:block}

/* header */
.top{position:sticky;top:0;z-index:30;background:rgba(246,241,231,.94);backdrop-filter:saturate(1.4) blur(10px);-webkit-backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.top-inner{max-width:1080px;margin:0 auto;padding:10px 16px 4px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.logo{height:50px;width:auto;margin-left:-8px}
.top-title{font-family:var(--serif);font-weight:600;letter-spacing:.2em;color:var(--red);font-size:15px;white-space:nowrap}
.stores{max-width:1080px;margin:0 auto;padding:4px 12px 10px;display:flex;gap:6px;overflow-x:auto;scrollbar-width:none}
.stores::-webkit-scrollbar{display:none}
.store-btn{flex:0 0 auto;border:1px solid var(--line);background:var(--card);border-radius:999px;padding:7px 16px;font-family:var(--serif);font-size:15px;cursor:pointer;transition:.15s}
.store-btn[aria-pressed=true]{background:var(--ink);border-color:var(--ink);color:var(--paper)}

/* hero */
.hero{position:relative;max-width:1080px;margin:14px auto 0;border-radius:var(--r);overflow:hidden;min-height:150px;background:#2b2a28 right center/cover no-repeat;box-shadow:var(--shadow)}
@media (min-width:720px){.hero{margin:18px auto 0;min-height:190px}}
@media (max-width:1112px){.hero{margin-left:16px;margin-right:16px}}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(20,18,15,.92) 0%,rgba(20,18,15,.82) 38%,rgba(20,18,15,.25) 75%,rgba(20,18,15,0) 100%)}
.hero-text{position:relative;z-index:1;padding:26px 24px;color:#F6F1E7}
.hero h1{margin:0;font-family:var(--serif);font-weight:700;font-size:30px;letter-spacing:.18em}
.hero p{margin:6px 0 0;font-size:14px;opacity:.9;letter-spacing:.04em}

/* controls */
.controls{max-width:1080px;margin:14px auto 0;padding:0 16px;display:grid;grid-template-columns:1fr 1fr;gap:10px}
@media (min-width:860px){.controls{grid-template-columns:1.1fr .9fr .9fr 1.6fr}}
.field{display:flex;flex-direction:column;gap:4px;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:10px 12px}
.field>span{font-size:12px;color:var(--ink-3);letter-spacing:.08em}
.field input{border:0;background:transparent;outline:none;width:100%;min-width:0}
.field.search,.field.budget{grid-column:1/-1}
@media (min-width:860px){.field.search,.field.budget{grid-column:auto}}
.money-input{display:flex;align-items:baseline;gap:4px}
.money-input em{font-style:normal;color:var(--ink-3)}
.money-input input{font-family:var(--serif);font-size:24px;font-weight:700;color:var(--red)}
.switch-row{display:flex;align-items:center;gap:8px}
.switch-row input[type=checkbox]{position:absolute;opacity:0;width:1px;height:1px}
.switch-row i{width:42px;height:24px;border-radius:999px;background:var(--paper-2);border:1px solid var(--line);position:relative;flex:0 0 auto;transition:.15s}
.switch-row i::after{content:"";position:absolute;top:2px;left:2px;width:18px;height:18px;border-radius:50%;background:#fff;box-shadow:0 1px 2px rgba(0,0,0,.2);transition:.15s}
.switch-row input:checked+i{background:var(--red);border-color:var(--red)}
.switch-row input:checked+i::after{left:20px}
.switch-row input[type=number]{width:3em;text-align:right;font-weight:600}
.switch-row b{font-weight:400;color:var(--ink-3)}
.field.toggle{cursor:pointer}

/* category nav */
.cats{position:sticky;top:var(--cats-top,108px);z-index:20;max-width:1080px;margin:14px auto 0;padding:8px 16px;display:flex;gap:6px;overflow-x:auto;scrollbar-width:none;background:linear-gradient(var(--paper) 80%,rgba(246,241,231,0))}
.cats::-webkit-scrollbar{display:none}
.cat-btn{flex:0 0 auto;border:0;background:transparent;padding:6px 10px;border-radius:8px;font-family:var(--serif);font-size:15px;color:var(--ink-2);cursor:pointer;white-space:nowrap}
.cat-btn.on{color:var(--red);background:rgba(147,1,1,.07);font-weight:600}
.cat-btn sup{font-family:var(--sans);font-size:11px;color:var(--red);margin-left:2px}

/* menu */
.menu{max-width:1080px;margin:0 auto;padding:0 16px}
.cat{scroll-margin-top:170px;margin-top:22px}
.cat-head{display:flex;align-items:baseline;gap:10px;padding:0 2px 8px;border-bottom:1px solid var(--line);margin-bottom:10px}
.cat-head h2{margin:0;font-family:var(--serif);font-size:22px;letter-spacing:.12em}
.cat-head small{color:var(--olive);font-size:12px;letter-spacing:.14em;text-transform:uppercase}
.grid{display:grid;grid-template-columns:1fr;gap:10px}
@media (min-width:720px){.grid{grid-template-columns:1fr 1fr}}
.item{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:10px 14px;display:flex;flex-direction:column;gap:6px;transition:border-color .15s,box-shadow .15s}
.item.picked{border-color:rgba(147,1,1,.45);box-shadow:0 0 0 3px rgba(147,1,1,.06)}
.item-top{display:flex;justify-content:space-between;gap:10px}
.item-name{font-family:var(--serif);font-weight:600;font-size:17px;line-height:1.35}
.item-en{font-size:12px;color:var(--ink-3);margin-top:1px}
.item-meta{display:flex;flex-wrap:wrap;gap:4px;margin-top:5px}
.tag{font-size:11px;padding:1px 7px;border-radius:999px;background:var(--paper-2);color:var(--ink-2);white-space:nowrap}
.tag.al{background:#F3E6CF;color:#7A5A12}
.tag.hot{background:#F6DEDA;color:var(--red)}
.item-remark{font-size:12px;color:var(--olive)}
.vars{display:flex;flex-direction:column;gap:6px}
.var{display:flex;align-items:center;justify-content:space-between;gap:10px}
.var-label{font-size:13px;color:var(--ink-2)}
.var-price{font-family:var(--serif);font-weight:700;font-size:17px;color:var(--ink);min-width:4.2em}
.var-price.na{color:var(--ink-3);font-weight:400;font-size:14px}
.var-left{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}
.stepper{display:flex;align-items:center;border:1px solid var(--line);border-radius:999px;overflow:hidden;background:#fff;flex:0 0 auto}
.stepper button{width:38px;height:36px;border:0;background:transparent;font-size:20px;cursor:pointer;color:var(--ink);touch-action:manipulation}
.stepper button:active{background:var(--paper-2)}
.stepper input,.stepper .q{width:2.2em;text-align:center;border:0;outline:none;font-weight:700;background:transparent}
.stepper.on{border-color:var(--red)}
.stepper.on .q{color:var(--red)}
.stepper .minus{visibility:hidden}
.stepper.on .minus{visibility:visible}
.stepper.small button{width:32px;height:30px;font-size:18px}
.stepper.small input{width:2.4em}
.empty{padding:40px 0;text-align:center;color:var(--ink-3)}

/* bottom bar */
.bar{position:fixed;left:0;right:0;bottom:0;z-index:40;background:var(--ink);color:var(--paper);padding-bottom:env(safe-area-inset-bottom);box-shadow:0 -6px 24px rgba(0,0,0,.18)}
.bar-inner{max-width:1080px;margin:0 auto;padding:10px 16px;display:flex;align-items:center;gap:14px;min-height:var(--bar-h)}
.bar-nums{flex:1;min-width:0}
.bar-total{display:flex;align-items:baseline;gap:8px}
.bar-total small{font-size:12px;opacity:.7;letter-spacing:.1em}
.bar-total strong{font-family:var(--serif);font-size:26px;letter-spacing:.02em}
.pill{font-size:12px;padding:1px 8px;border-radius:999px;background:rgba(246,241,231,.14)}
.bar-remain{font-size:13px;opacity:.9;margin:1px 0 6px}
.bar-remain.over{color:#FF9A8F;opacity:1;font-weight:600}
.bar-remain.near{color:#E9D38A;opacity:1}
.meter{height:6px;border-radius:99px;background:rgba(246,241,231,.15);overflow:hidden}
.meter i{display:block;height:100%;width:0;background:#C9B26B;border-radius:99px;transition:width .25s}
.meter i.over{background:#E0564A}
.btn{border:0;border-radius:999px;padding:11px 18px;font-weight:600;cursor:pointer;white-space:nowrap}
.btn.primary{background:var(--red);color:#fff}
.btn.ghost{background:transparent;border:1px solid var(--line);color:var(--ink)}

/* sheet */
.sheet{border:0;padding:0;background:transparent;max-width:640px;width:calc(100% - 24px);max-height:calc(100% - 24px)}
.sheet::backdrop{background:rgba(20,18,15,.55)}
.sheet-card{background:var(--card);border-radius:18px;padding:18px;color:var(--ink)}
.sheet-head{display:flex;align-items:center;gap:12px;border-bottom:2px solid var(--ink);padding-bottom:12px}
.sheet-head img{height:40px;width:auto}
.sheet-title{font-family:var(--serif);font-weight:700;font-size:20px;letter-spacing:.15em}
.sheet-sub{font-size:13px;color:var(--ink-2)}
.sheet-body table{width:100%;border-collapse:collapse;margin-top:10px;font-size:15px}
.sheet-body td{padding:7px 2px;border-bottom:1px dashed var(--line);vertical-align:top}
.sheet-body td.n{text-align:right;white-space:nowrap;font-variant-numeric:tabular-nums}
.sheet-body td.q{text-align:center;white-space:nowrap;color:var(--ink-2);width:3em}
.sheet-body .cat-row td{border:0;padding-top:12px;font-size:12px;color:var(--olive);letter-spacing:.12em}
.sheet-body .sum td{border:0;padding:5px 2px}
.sheet-body .sum.grand td{font-family:var(--serif);font-size:20px;font-weight:700;border-top:2px solid var(--ink);padding-top:10px}
.sheet-body .diff.over td{color:var(--red);font-weight:600}
.sheet-body .diff.ok td{color:var(--ok)}
.sheet-body .muted{color:var(--ink-3);font-size:12px}
.sheet-actions{display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-end;margin-top:16px}

.foot{max-width:1080px;margin:36px auto 0;padding:0 16px;color:var(--ink-3);font-size:12px;text-align:center}
.foot p{margin:4px 0}
.toast{position:fixed;left:50%;bottom:calc(var(--bar-h) + 24px);transform:translateX(-50%) translateY(20px);background:var(--ink);color:var(--paper);padding:9px 16px;border-radius:999px;font-size:14px;opacity:0;pointer-events:none;transition:.2s;z-index:60}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.notice{max-width:1080px;margin:12px auto 0;padding:0 16px}
.notice div{background:#FFF4D6;border:1px solid #EAD08A;color:#6B5310;border-radius:var(--r);padding:8px 12px;font-size:13px}

@media print{
  body{background:#fff;padding:0}
  body>*:not(dialog){display:none!important}
  .sheet{position:static;display:block;max-width:none;width:100%;max-height:none}
  .sheet::backdrop{display:none}
  .sheet-card{border-radius:0;padding:0}
  .no-print{display:none!important}
}
.foot a{color:var(--ink-2);text-decoration:none;border-bottom:1px solid var(--line)}
.foot a:hover{color:var(--red);border-color:var(--red)}