:root{
  --bg:#ffffff;
  --surface:#ffffff;
  --surface-2:#f5f5f7;
  --surface-3:#ebebef;
  --text:#111111;
  --muted:#6e6e73;
  --line:#e5e5ea;
  --danger:#ff3b30;
  --success:#34c759;
  --warning:#ff9f0a;
  --primary:#1c1c1e;
  --primary-text:#ffffff;
  --shadow:0 8px 28px rgba(0,0,0,.055);
  --nav-shadow:0 10px 30px rgba(0,0,0,.09);
  --r-lg:24px;
  --r-md:18px;
  --nav-h:88px;
  --sans:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text","Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
html[data-theme="dark"]{
  --bg:#000000;
  --surface:#1c1c1e;
  --surface-2:#2c2c2e;
  --surface-3:#3a3a3c;
  --text:#f5f5f7;
  --muted:#98989f;
  --line:#38383a;
  --danger:#ff453a;
  --success:#30d158;
  --warning:#ff9f0a;
  --primary:#f5f5f7;
  --primary-text:#111111;
  --shadow:none;
  --nav-shadow:0 10px 30px rgba(0,0,0,.35);
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html,body{margin:0;width:100%;height:100%;overflow:hidden;background:var(--bg)!important;color:var(--text);font-family:var(--sans);-webkit-font-smoothing:antialiased}
body{overscroll-behavior:none}
button,input,textarea,select{font:inherit}
button{cursor:pointer;-webkit-tap-highlight-color:transparent}
button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid rgba(120,120,128,.18);outline-offset:2px}
main{width:min(100%,820px);height:calc(100dvh - var(--nav-h) - max(10px,env(safe-area-inset-bottom)));margin:0 auto;padding:max(14px,env(safe-area-inset-top)) 16px 8px;background:var(--bg)!important;overflow:hidden}
.view{display:none;width:100%;height:100%;min-height:0;background:var(--bg)!important;overflow:hidden}
.view.active{display:flex;flex-direction:column}
#homeView.active{display:grid;grid-template-rows:auto auto 1fr;gap:16px;align-content:start}
#homeView:not(.active){display:none!important}
.view-body{flex:1;min-height:0;overflow:auto;padding:0 0 8px;scrollbar-width:none;background:var(--bg)!important}
.view-body::-webkit-scrollbar{display:none}

/* Home */
.home-top{display:grid;gap:8px;padding-top:2px}
.brand-line{display:flex;align-items:center;gap:8px}
.brand-name{font-size:13px;font-weight:700;color:var(--muted);letter-spacing:-.01em}
.brand-version{font-size:11px;font-weight:700;color:var(--muted);background:var(--surface-2);border-radius:999px;padding:4px 8px}
.home-title{margin:0;white-space:nowrap;font-size:clamp(24px,6.4vw,34px);line-height:1.05;letter-spacing:-.045em;font-weight:780;color:var(--text)}
.home-subtitle{margin:0;color:var(--muted);font-size:14px;line-height:1.35;max-width:42ch}
.home-actions{display:grid;gap:10px}
.home-action{appearance:none;width:100%;border:1px solid var(--line);background:var(--surface);color:var(--text);border-radius:var(--r-lg);min-height:76px;padding:14px 16px;display:flex;align-items:center;gap:14px;text-align:left;box-shadow:var(--shadow)}
.home-action-primary{background:var(--primary);color:var(--primary-text);border-color:transparent;box-shadow:none}
.home-action-primary .home-action-icon{background:rgba(255,255,255,.14);color:var(--primary-text)}
html[data-theme="dark"] .home-action-primary .home-action-icon{background:rgba(0,0,0,.09)}
.home-action-primary small{color:color-mix(in srgb,var(--primary-text) 66%, transparent)}
.home-action-icon{width:42px;height:42px;border-radius:14px;background:var(--surface-2);display:grid;place-items:center;flex:0 0 42px;color:var(--text)}
.home-action-icon svg{width:23px;height:23px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.home-action-copy{min-width:0;flex:1}
.home-action-copy strong{display:block;font-size:17px;font-weight:730;letter-spacing:-.025em;line-height:1.05}
.home-action-copy small{display:block;margin-top:5px;font-size:12px;color:var(--muted);line-height:1.2}
.home-action-chevron{font-size:28px;font-weight:300;line-height:1;color:inherit;opacity:.5}
.home-action-pair{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.home-action-compact{min-height:72px;padding:13px 14px}
.home-action-compact .home-action-icon{width:38px;height:38px;flex-basis:38px;border-radius:13px}
.home-action-compact .home-action-copy strong{font-size:16px}
.home-action-compact .home-action-copy small{font-size:11px}
.stats-grid{align-self:end;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin:0;padding:0 0 4px}
.stat{min-width:0;background:var(--surface-2);border:0;border-radius:18px;padding:12px;box-shadow:none}
.stat span{display:block;font-size:10px;font-weight:650;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.stat strong{display:block;margin-top:6px;font-size:19px;font-weight:750;letter-spacing:-.035em;color:var(--text);white-space:nowrap}

/* Shared page structure */
.section-title{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:2px 0 14px;flex:0 0 auto}
.section-title>div{min-width:0}
.section-title h2,.section-title h3{margin:0;color:var(--text);letter-spacing:-.04em}
.section-title h2{font-size:28px;font-weight:760;line-height:1.05}
.section-title h3{font-size:20px;font-weight:720}
.kicker,.eyebrow,.result-kicker{font-size:12px;font-weight:650;color:var(--muted);margin-bottom:4px}
.sticky-title{position:relative;top:auto;background:var(--bg)!important;padding:0}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow)}
.stack{display:grid;gap:10px}
.section-block{margin:22px 0 0}
.empty-state{color:var(--muted);background:var(--surface-2);border-radius:var(--r-md);padding:16px;border:0}
.muted{color:var(--muted);line-height:1.45}

/* Buttons */
.primary-btn,.secondary-btn,.danger-btn,.cart-main-btn,.cart-scan-btn,.back-btn,.text-btn,.icon-btn{border:0;border-radius:16px;min-height:48px;padding:0 16px;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;letter-spacing:-.015em;color:var(--text)}
.primary-btn,.cart-main-btn{background:var(--primary);color:var(--primary-text)}
.secondary-btn,.cart-scan-btn,.back-btn,.text-btn,.icon-btn{background:var(--surface-2);color:var(--text)}
.danger-btn{background:color-mix(in srgb,var(--danger) 12%,var(--surface));color:var(--danger)}
.back-btn,.icon-btn{min-width:42px;width:42px;padding:0;font-size:20px}
.text-btn{min-height:38px;padding:0 13px;font-size:13px}
.capture-label{width:100%;cursor:pointer}
.full{width:100%}

/* Form controls */
label{display:block;font-size:11px;color:var(--muted);font-weight:650}
input,textarea,select{display:block;width:100%;margin-top:6px;min-height:48px;border:1px solid transparent;border-radius:15px;padding:12px 13px;background:var(--surface-2);color:var(--text);font-size:15px}
textarea{resize:vertical;min-height:100px;line-height:1.45}
input:focus,textarea:focus,select:focus{background:var(--surface);border-color:var(--line);outline:3px solid rgba(120,120,128,.12)}
input:read-only{color:var(--muted)}
.search{margin:4px 0 14px}
.search-prominent{min-height:50px;border-radius:16px;font-size:16px}
.meta-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;padding:16px;margin-top:2px}
.line-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.line-grid-3{display:grid;grid-template-columns:1.1fr .8fr 1.4fr;gap:10px}

/* Scan / review */
.scan-card{padding:16px}
.receipt-previews{display:grid;grid-template-columns:repeat(auto-fit,minmax(100px,1fr));gap:8px;margin-bottom:12px}
.receipt-preview-item{position:relative;min-height:120px;border-radius:16px;overflow:hidden;background:var(--surface-2)}
.receipt-preview-item img{width:100%;height:150px;object-fit:cover}
.receipt-preview-item span{position:absolute;top:8px;left:8px;width:24px;height:24px;border-radius:9px;background:var(--surface);display:grid;place-items:center;font-size:10px}
.ocr-status{margin:12px 0 8px;color:var(--muted);font-size:12px}
.progress{height:5px;border-radius:999px;background:var(--surface-2);overflow:hidden;margin:8px 0 14px}
.progress>div{height:100%;width:0;background:var(--text)}
.add-photo{margin-top:8px}
.manual-box{margin-top:14px;padding-top:12px;border-top:1px solid var(--line)}
.manual-box summary{font-size:12px;color:var(--muted);cursor:pointer}
.review-toolbar{display:flex;align-items:center;justify-content:space-between;margin:12px 0 8px}
.toggle,.ignore-label{display:flex;align-items:center;gap:8px}
.toggle input,.ignore-label input{width:auto;min-height:auto;margin:0}
.line-item{padding:15px}
.line-top{display:flex;justify-content:space-between;align-items:center}
.confidence-badge{font-size:10px;padding:5px 8px;border-radius:999px;background:var(--surface-2)}
.confidence-high{color:var(--success)}
.confidence-low{color:var(--warning)}
.delete-line{border:0;background:transparent;color:var(--muted);font-size:20px;width:34px;height:34px}
.line-item label{margin-top:10px}
.barcode-row{display:grid;grid-template-columns:1fr auto auto;gap:8px;align-items:end;margin-top:10px}
.lookup-status{font-size:11px;margin-top:7px}
.reconcile{margin:12px 0;padding:13px;border-radius:15px;font-size:12px;background:var(--surface-2)}
.reconcile.ok{color:var(--success)}
.reconcile.warn{color:var(--warning)}

/* Products */
.receipt-row,.product-row,.signal-row,.history-row,.shopping-row,.store-row,.cart-item{padding:14px 16px;border:1px solid var(--line);border-radius:18px;background:var(--surface);display:flex;align-items:center;justify-content:space-between;gap:12px}
.receipt-row strong,.product-row strong{display:block;font-weight:700}
.receipt-row small,.product-row small,.signal-row small,.history-row small,.shopping-row small,.store-row small{color:var(--muted);font-size:11px}
.price-chip{font-size:15px;font-weight:730;letter-spacing:-.025em}
.product-hero{padding:18px;display:flex;align-items:center;gap:15px}
.product-image{width:72px;height:72px;object-fit:contain;border-radius:16px;background:var(--surface-2)}
.product-hero .big-price{font-size:32px;font-weight:760;letter-spacing:-.05em}
.metric-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:10px 0}
.metric{background:var(--surface-2);border-radius:16px;padding:13px;text-align:center}
.metric small{display:block;color:var(--muted);font-size:10px}
.metric strong{display:block;margin-top:4px;font-size:17px}
.chart-card,.barcode-card,.alias-list{padding:14px}
.price-chart{width:100%;height:auto}
.axis{stroke:var(--line)}
.chart-line{fill:none;stroke:var(--text);stroke-width:2}
.chart-dot{fill:var(--text)}
.chart-label{fill:var(--muted);font-size:10px}
.barcode-card{display:grid;grid-template-columns:1fr 1fr;gap:10px;align-items:end}
.barcode-card label:first-child,.barcode-card .muted{grid-column:1/-1}

/* Shopping */
.shopping-add{display:grid;grid-template-columns:minmax(0,1fr) 90px auto;gap:10px;align-items:end;padding:15px;margin-bottom:12px}
.qty-btn,.delete-shopping{border:0;background:var(--surface-2);color:var(--text);border-radius:12px;min-width:34px;height:34px}
.delete-shopping{color:var(--danger)}
.best-store,.split-store,.comparison-warning{padding:16px}
.comparison-total{font-size:26px;font-weight:750;letter-spacing:-.04em}
.split-lines{margin-top:10px;border-top:1px solid var(--line);padding-top:8px}
.split-lines div{display:flex;justify-content:space-between;padding:5px 0;font-size:12px}

/* Shelf / cart */
.shelf-form,.cart-review{display:grid;gap:10px;margin-top:12px}
.shelf-card .secondary-btn,.shelf-card .primary-btn{width:100%;margin-top:8px}
.shelf-preview,.scan-card>img{width:100%;max-height:42vh;object-fit:contain;border-radius:16px;background:var(--surface-2);display:none}
.cart-total-card{padding:20px;margin:2px 0 10px;background:var(--surface-2);border:0;box-shadow:none}
.cart-total-card span{display:block;font-size:11px;color:var(--muted);font-weight:650}
.cart-total-card strong{display:block;font-size:40px;line-height:1;margin:8px 0 6px;font-weight:780;letter-spacing:-.05em}
.cart-total-card small{color:var(--muted);font-size:12px}
.cart-scan-btn{width:100%;margin-bottom:10px}
.cart-scan-panel{padding:15px}

/* Import / settings */
.import-intro{margin:-4px 0 14px}
.import-grid{display:grid;gap:10px}
.import-card{padding:16px;cursor:pointer;display:grid;grid-template-columns:48px 1fr;column-gap:12px;align-items:center}
.import-card .import-icon{grid-row:1/3;width:48px;height:48px;border-radius:15px;background:var(--surface-2);display:grid;place-items:center;font-size:18px;color:var(--text)}
.import-card strong{font-size:15px;font-weight:720}
.import-card small{font-size:11px;color:var(--muted);margin-top:3px}
.import-tools{margin-top:12px}
.import-tools .secondary-btn{width:100%}
.settings-card{padding:16px;margin-top:10px;display:grid;gap:10px}
.settings-card h3{margin:0;font-size:15px;font-weight:720}
.theme-picker{display:grid;grid-template-columns:repeat(3,1fr);gap:5px;background:var(--surface-2);padding:5px;border-radius:16px}
.theme-picker button{min-height:42px;border:0;border-radius:12px;background:transparent;color:var(--muted);font-weight:700}
.theme-picker button.active{background:var(--surface);color:var(--text);box-shadow:0 2px 8px rgba(0,0,0,.07)}
.settings-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.version-note{text-align:center;color:var(--muted);font-size:11px;padding:8px 0}
.clean-list{padding-left:18px;line-height:1.7;font-size:12px}
.global-capture-inputs{display:none!important}

/* Bottom navigation */
.bottom-nav{position:fixed;left:50%;transform:translateX(-50%);bottom:max(8px,env(safe-area-inset-bottom));width:min(calc(100% - 20px),800px);display:grid;grid-template-columns:repeat(5,1fr);padding:7px;background:rgba(255,255,255,.88);border:1px solid var(--line);border-radius:28px;box-shadow:var(--nav-shadow);backdrop-filter:blur(24px);z-index:20}
html[data-theme="dark"] .bottom-nav{background:rgba(28,28,30,.9)}
.bottom-nav button{border:0;background:transparent;color:var(--muted);min-height:60px;border-radius:20px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;padding:4px}
.bottom-nav button.active{background:var(--surface-2);color:var(--text)}
.nav-icon{width:29px;height:29px;display:grid;place-items:center}
.nav-icon svg{width:27px;height:27px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.bottom-nav button span:last-child{font-size:10px;font-weight:650}

.good{color:var(--success)}.bad{color:var(--danger)}.neutral{color:var(--muted)}

@media(max-width:620px){
  main{padding-left:14px;padding-right:14px}
  .home-title{font-size:clamp(22px,6.2vw,28px)}
  .home-subtitle{font-size:13px}
  .stats-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:6px}
  .stat{padding:10px 8px;border-radius:15px}
  .stat span{font-size:9px}
  .stat strong{font-size:16px}
  .shopping-add{grid-template-columns:1fr 82px}
  .shopping-add .primary-btn{grid-column:1/-1}
  .line-grid-3{grid-template-columns:1fr 1fr}
  .line-grid-3 label:last-child{grid-column:1/-1}
  .meta-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:390px){
  .home-title{font-size:21px}
  .home-action-pair{gap:8px}
  .home-action-compact{padding:12px 11px;gap:9px}
  .home-action-compact .home-action-icon{width:34px;height:34px;flex-basis:34px}
  .home-action-compact .home-action-copy strong{font-size:14px}
  .home-action-compact .home-action-copy small{font-size:10px}
  .meta-grid,.line-grid{grid-template-columns:1fr}
  .bottom-nav button span:last-child{font-size:9px}
}
@media(max-height:720px){
  #homeView.active{gap:10px}
  .home-top{gap:5px}
  .home-subtitle{font-size:12px}
  .home-action{min-height:66px;padding:11px 14px}
  .home-action-compact{min-height:62px}
  .home-action-icon{width:36px;height:36px;flex-basis:36px}
  .stat{padding:8px}
  .bottom-nav button{min-height:54px}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}