:root{--paper: #f7f4ee;--card: #fffefb;--ink: #1f1d19;--ink-2: #57524a;--muted: #8f897e;--rule: #e4ded2;--rule-strong: #cdc5b6;--accent: #b8322a;--accent-soft: #f6e6e3;--mark: #fbe9a6;--good: #2f6b45;--f-body: "Instrument Sans", "Noto Sans HK", "PingFang HK", system-ui, sans-serif;--f-mono: "IBM Plex Mono", "Noto Sans HK", ui-monospace, monospace;--radius: 6px;color-scheme:light;font-family:var(--f-body)}@media (prefers-color-scheme: dark){:root{--paper: #161512;--card: #1d1c18;--ink: #ece6da;--ink-2: #bdb5a6;--muted: #857e72;--rule: #2e2b25;--rule-strong: #443f36;--accent: #e0675d;--accent-soft: #3a2220;--mark: #4d4220;--good: #7cc596;color-scheme:dark}}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;color:var(--ink);background:var(--paper);line-height:1.5;min-height:100vh;-webkit-font-smoothing:antialiased}button,input,select{font:inherit;color:inherit}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.app{max-width:1160px;margin:0 auto;padding:0 16px 48px}.masthead{display:flex;align-items:center;gap:24px;flex-wrap:wrap;padding:18px 0;border-bottom:1px solid var(--rule-strong)}.logo{display:inline-flex;align-items:center;gap:9px;text-decoration:none;color:var(--ink)}.logo-mark{display:grid;place-items:center;width:26px;height:26px;border:1.5px solid var(--ink);border-radius:50%;font-family:var(--f-mono);font-size:.8rem;font-weight:500}.logo-text{font-size:1.05rem;font-weight:600;letter-spacing:-.01em}.nav{display:flex;gap:22px;flex:1}.nav a{position:relative;display:inline-flex;align-items:center;gap:7px;padding:4px 0;font-size:.92rem;font-weight:500;text-decoration:none;color:var(--muted);transition:color .15s ease}.nav a:hover,.nav a.active{color:var(--ink)}.nav a.active:after{content:"";position:absolute;left:0;right:0;bottom:-19px;height:2px;background:var(--ink)}.count-badge{font-family:var(--f-mono);font-size:.68rem;min-width:18px;padding:0 5px;text-align:center;color:var(--accent);border:1px solid 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18px}.hero-title{margin:0;font-size:clamp(1.6rem,3.4vw,2.2rem);font-weight:600;letter-spacing:-.02em;line-height:1.15}.hero-sub{margin:6px 0 0;font-family:var(--f-mono);font-size:.72rem;color:var(--muted)}.search{width:100%;padding:13px 16px 13px 44px;font-size:1rem;border:1px solid var(--rule-strong);border-radius:var(--radius);background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' fill='none' stroke='%238f897e' stroke-width='1.8' stroke-linecap='round'%3E%3Ccircle cx='8' cy='8' r='5.5'/%3E%3Cpath d='m12.5 12.5 4 4'/%3E%3C/svg%3E") 16px 50% / 18px no-repeat,var(--card);margin:0 0 14px;transition:border-color .15s ease,box-shadow .15s ease;-webkit-appearance:none;-moz-appearance:none;appearance:none}.search::placeholder{color:var(--muted)}.search:focus{outline:none;border-color:var(--ink-2);box-shadow:0 0 0 3px var(--rule)}.filters{display:grid;gap:10px}.filter-row{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.filter-row select,.sort select{padding:6px 28px 6px 10px;border:1px solid var(--rule-strong);border-radius:var(--radius);background:var(--card) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='9' height='5'%3E%3Cpath d='M.5.5 4.5 4.5 8.5.5' fill='none' stroke='%238f897e'/%3E%3C/svg%3E") right 10px center / 9px no-repeat;font-size:.85rem;max-width:100%;min-width:0;cursor:pointer;-webkit-appearance:none;-moz-appearance:none;appearance:none}.filter-row select:hover,.sort select:hover{border-color:var(--ink-2)}.filter-row select:disabled{opacity:.5;cursor:default}.check,.sort{display:inline-flex;gap:7px;align-items:center;font-size:.85rem;color:var(--ink-2)}.check input{width:15px;height:15px;accent-color:var(--accent)}.sort{margin-left:auto}.chips{display:flex;flex-wrap:wrap;gap:6px}.chip{border:1px solid var(--rule-strong);background:transparent;border-radius:999px;padding:3px 11px;font-size:.8rem;color:var(--ink-2);cursor:pointer;transition:border-color .15s ease,color .15s ease,background .15s ease}.chip:hover{border-color:var(--ink-2);color:var(--ink)}.chip.on{background:var(--ink);border-color:var(--ink);color:var(--paper)}.count{display:flex;align-items:center;gap:12px;margin:24px 0 12px;font-family:var(--f-mono);font-size:.7rem;color:var(--muted)}.count:after{content:"";flex:1;border-top:1px solid var(--rule)}.empty{padding:56px 0;text-align:center;color:var(--muted)}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,290px),1fr));gap:14px;align-items:stretch}.label{min-width:0;display:flex;flex-direction:column;background:var(--card);border:1px solid var(--rule);border-radius:var(--radius);padding:14px 16px 12px;animation:label-in .35s ease-out backwards;transition:border-color .15s ease}.label:hover{border-color:var(--rule-strong)}.label.missing{opacity:.65}.grid>.label:nth-child(2){animation-delay:25ms}.grid>.label:nth-child(3){animation-delay:50ms}.grid>.label:nth-child(4){animation-delay:75ms}.grid>.label:nth-child(5){animation-delay:.1s}.grid>.label:nth-child(6){animation-delay:125ms}.grid>.label:nth-child(n+7){animation-delay:.15s}@keyframes label-in{0%{opacity:0;transform:translateY(4px)}}.label-top{display:flex;align-items:center;gap:8px}.label-brand{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:.72rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--muted)}.star{border:0;background:none;width:26px;height:26px;margin:-4px -6px -4px 0;display:grid;place-items:center;border-radius:50%;font-size:1.05rem;line-height:1;cursor:pointer;color:var(--muted);transition:color .15s ease,background .15s ease}.star:hover{color:var(--ink);background:var(--rule)}.star.on{color:#c9971c}.label-name{margin:6px 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var(--rule-strong);font-family:var(--f-mono);font-size:.74rem}.receipt li{padding:4px 0}.receipt-line{display:flex;align-items:baseline;gap:6px;color:var(--ink-2)}.receipt-store{white-space:nowrap}.leader{flex:1;min-width:12px;border-bottom:1px dotted var(--rule-strong);transform:translateY(-3px)}.receipt-diff{font-size:.66rem;color:var(--muted);white-space:nowrap}.receipt-price{white-space:nowrap;font-variant-numeric:tabular-nums;color:var(--ink)}.receipt li.is-cheapest .receipt-store,.receipt li.is-cheapest .receipt-price{color:var(--good);font-weight:500}.coupons{display:flex;flex-wrap:wrap;gap:4px;margin:4px 0 2px}.coupon{display:inline-block;padding:1px 7px;font-family:var(--f-body);font-size:.72rem;color:var(--accent);background:var(--accent-soft);border-radius:3px}.more{display:block;margin:28px auto 0;padding:9px 22px;border:1px solid var(--rule-strong);border-radius:999px;background:var(--card);font-size:.85rem;color:var(--ink-2);cursor:pointer;transition:border-color .15s ease,color .15s ease}.more:hover{border-color:var(--ink-2);color:var(--ink)}.to-top{position:fixed;right:max(16px,env(safe-area-inset-right));bottom:max(16px,env(safe-area-inset-bottom));z-index:10;width:42px;height:42px;display:grid;place-items:center;border:1px solid var(--rule-strong);border-radius:50%;background:var(--card);color:var(--ink-2);font-size:1.1rem;line-height:1;cursor:pointer;box-shadow:0 2px 8px #00000014;opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .2s ease,transform .2s ease,visibility .2s,border-color .15s ease,color .15s ease}.to-top.on{opacity:1;visibility:visible;transform:none}.to-top:hover{border-color:var(--ink-2);color:var(--ink)}.watch-head{display:grid;grid-template-columns:1fr auto;grid-template-areas:"title total" "actions actions";align-items:end;gap:14px 20px;margin:36px 0 20px;padding-bottom:14px;border-bottom:1px solid var(--rule-strong)}.watch-head>div:first-child{grid-area:title}.watch-total{grid-area:total;display:flex;flex-direction:column;align-items:flex-end;gap:4px}.watch-total-label{font-family:var(--f-mono);font-size:.68rem;color:var(--muted)}.watch-actions{grid-area:actions;display:flex;gap:18px;align-items:center;justify-content:flex-end;font-size:.85rem}@media (max-width: 560px){.watch-head{grid-template-columns:1fr;grid-template-areas:"title" "total" "actions"}.watch-total{align-items:flex-start}.watch-actions{justify-content:space-between}}.watch-group+.watch-group{margin-top:32px}.watch-group-title{margin:0 0 12px;font-size:.85rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--ink-2)}.watch-group-title .muted{font-weight:400}.empty-state{text-align:center;padding:80px 0}.empty-state h2{font-size:1.25rem;font-weight:600;margin:14px 0 4px}.empty-tag{font-size:1.8rem;color:var(--rule-strong)}.button{display:inline-block;margin-top:16px;padding:9px 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