:root{
  color-scheme:light dark;
  --bg:#f5f7f4;
  --surface:#ffffff;
  --surface-2:#eef2ed;
  --text:#142019;
  --muted:#69766d;
  --line:#dbe3dc;
  --accent:#2f7a4a;
  --accent-2:#dff2e4;
  --danger:#b53d3d;
  --shadow:0 18px 45px rgba(24,48,31,.08);
}
@media(prefers-color-scheme:dark){
  :root{
    --bg:#0e1511;
    --surface:#162019;
    --surface-2:#1d2921;
    --text:#f2f6f3;
    --muted:#a5b0a8;
    --line:#2b392f;
    --accent:#6fc28b;
    --accent-2:#1f3828;
    --danger:#ff8a8a;
    --shadow:0 18px 45px rgba(0,0,0,.28);
  }
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",sans-serif}
body{padding:env(safe-area-inset-top) 0 env(safe-area-inset-bottom)}
button,input,select{font:inherit}
button{cursor:pointer}
.app-shell{width:min(720px,100%);margin:0 auto;min-height:100vh;padding:18px 18px 100px}
.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.brand-row{display:flex;align-items:center;gap:12px}
.brand-mark{width:42px;height:42px;border-radius:14px;display:grid;place-items:center;background:var(--text);color:var(--bg);font-weight:850;font-size:20px;box-shadow:var(--shadow)}
h1{font-size:24px;letter-spacing:-.04em;margin:0}.subtitle{margin:2px 0 0;color:var(--muted);font-size:13px}
.view{display:none}.view.active{display:block}
.hero-card,.form-card,.food-card{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:18px;box-shadow:var(--shadow)}
.hero-heading{display:flex;justify-content:space-between;align-items:center;gap:16px}.eyebrow{text-transform:uppercase;font-size:10px;letter-spacing:.12em;font-weight:800;color:var(--muted);margin:0 0 6px}.hero-card h2,.hero-card h3{margin:0;letter-spacing:-.04em}.hero-card h2{font-size:30px}.hero-card h3{font-size:19px;margin-top:5px}.hero-card small{font-size:.55em;color:var(--muted);font-weight:650}
.ring-wrap{position:relative;width:74px;height:74px;display:grid;place-items:center;flex:0 0 auto}.ring{width:74px;height:74px;transform:rotate(-90deg)}.ring circle{fill:none;stroke-width:5}.ring-bg{stroke:var(--surface-2)}.ring-progress{stroke:var(--accent);stroke-linecap:round;stroke-dasharray:113.1;stroke-dashoffset:113.1;transition:.25s}.ring-wrap span{position:absolute;font-size:12px;font-weight:800}
.progress-track{height:7px;background:var(--surface-2);border-radius:100px;overflow:hidden;margin-top:16px}.progress-fill{height:100%;background:var(--accent);width:0;transition:.25s}
.action-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:14px}.action-card{appearance:none;text-align:left;min-height:112px;border:1px solid var(--line);border-radius:18px;background:var(--surface);color:var(--text);padding:16px;box-shadow:var(--shadow)}.action-card:active{transform:scale(.985)}.action-icon{display:block;font-size:25px;margin-bottom:15px}.action-card strong{display:block;font-size:17px}.action-card small{display:block;color:var(--muted);margin-top:3px}
.section-block{margin-top:26px}.section-block.no-top{margin-top:18px}.section-title-row{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:10px}.section-title-row h2,.view-head h2{margin:0;font-size:24px;letter-spacing:-.035em}.text-btn,.back-btn,.icon-btn{border:0;background:transparent;color:var(--accent);font-weight:750}.back-btn{font-size:36px;line-height:1;width:36px;height:44px;padding:0;color:var(--text)}.icon-btn{width:40px;height:40px;border:1px solid var(--line);border-radius:12px;background:var(--surface)}
.stack{display:grid;gap:9px}.entry,.result-card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:13px 14px;display:flex;align-items:center;justify-content:space-between;gap:12px}.entry-main,.result-main{min-width:0}.entry strong,.result-card strong{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.entry small,.result-card small{color:var(--muted);display:block;margin-top:3px}.entry-nutrition{text-align:right;white-space:nowrap}.entry-nutrition b{display:block}.delete-btn{border:0;background:transparent;color:var(--muted);font-size:18px;padding:6px}.empty-state{text-align:center;padding:42px 20px;color:var(--muted)}.empty-state.compact{padding:28px 20px}.empty-state strong{color:var(--text)}.empty-icon{font-size:28px;margin-bottom:8px}
.view-head{display:flex;align-items:center;gap:8px;margin:4px 0 16px}.scanner-card{position:relative;overflow:hidden;border-radius:22px;background:#000;aspect-ratio:4/5;border:1px solid var(--line)}#scannerVideo{width:100%;height:100%;object-fit:cover}.scan-frame{position:absolute;left:12%;right:12%;top:38%;height:26%;border:2px solid rgba(255,255,255,.9);border-radius:18px;box-shadow:0 0 0 999px rgba(0,0,0,.16)}.scanner-status{position:absolute;left:12px;right:12px;bottom:12px;padding:10px 12px;border-radius:12px;background:rgba(0,0,0,.65);color:#fff;font-size:13px;text-align:center;backdrop-filter:blur(10px)}
.button-row{display:flex;gap:9px;margin-top:12px}.primary-btn,.secondary-btn{min-height:48px;border-radius:14px;padding:0 16px;font-weight:800}.primary-btn{border:0;background:var(--text);color:var(--bg)}.secondary-btn{border:1px solid var(--line);background:var(--surface);color:var(--text)}.full{width:100%}.hidden{display:none!important}.divider{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:12px;margin:18px 0}.divider:before,.divider:after{content:"";height:1px;background:var(--line);flex:1}.inline-form{display:flex;gap:8px}.inline-form input,.search-input,.form-card input,.quantity-row input,.quantity-row select{width:100%;border:1px solid var(--line);background:var(--surface);color:var(--text);border-radius:14px;min-height:48px;padding:0 13px;outline:none}.inline-form input:focus,.search-input:focus,.form-card input:focus,.quantity-row input:focus,.quantity-row select:focus{border-color:var(--accent)}.privacy-note,.body-copy{color:var(--muted);font-size:13px;line-height:1.55}.search-input{font-size:16px}.section-gap{margin-top:14px}
.file-btn{display:inline-grid;place-items:center}.file-btn input{display:none}.form-card{display:grid;gap:13px}.form-card label{display:grid;gap:6px;color:var(--muted);font-size:12px;font-weight:750}.form-card input{font-size:15px;color:var(--text)}.form-grid.two{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.food-top{display:flex;gap:14px;align-items:center}.food-image{width:84px;height:84px;object-fit:cover;border-radius:16px;border:1px solid var(--line);background:var(--surface-2)}.muted{color:var(--muted);margin:0 0 6px}.big-number{font-size:26px;letter-spacing:-.04em;font-weight:850;margin:0}.big-number small{font-size:12px;color:var(--muted);font-weight:650}.protein-number{margin:4px 0 0;font-weight:700}.source-badge{display:inline-flex;margin-top:12px;border-radius:100px;padding:5px 9px;background:var(--accent-2);color:var(--accent);font-size:11px;font-weight:800}.chips{display:flex;flex-wrap:wrap;gap:7px}.chip{border:1px solid var(--line);background:var(--surface);color:var(--text);border-radius:100px;padding:8px 11px;font-size:13px}.chip.active{background:var(--accent-2);border-color:var(--accent);color:var(--accent);font-weight:800}.quantity-row{display:grid;grid-template-columns:44px 1fr 1.2fr 44px;gap:7px;align-items:center;margin-top:12px}.qty-btn{width:44px;height:48px;border:1px solid var(--line);border-radius:14px;background:var(--surface);color:var(--text);font-size:20px}.calculation-card{display:grid;grid-template-columns:repeat(3,1fr);gap:7px;margin:13px 0}.calculation-card div{background:var(--surface-2);border-radius:14px;padding:11px}.calculation-card span{display:block;color:var(--muted);font-size:10px;text-transform:uppercase;letter-spacing:.08em}.calculation-card strong{display:block;margin-top:4px;font-size:15px}
.bottom-nav{position:fixed;z-index:20;left:50%;transform:translateX(-50%);bottom:max(10px,env(safe-area-inset-bottom));width:min(684px,calc(100% - 24px));display:grid;grid-template-columns:repeat(4,1fr);background:color-mix(in srgb,var(--surface) 92%,transparent);border:1px solid var(--line);border-radius:20px;padding:6px;box-shadow:0 18px 50px rgba(0,0,0,.18);backdrop-filter:blur(22px)}.nav-btn{border:0;background:transparent;color:var(--muted);min-height:54px;border-radius:14px;display:grid;place-items:center;align-content:center;gap:2px}.nav-btn span{font-size:21px}.nav-btn small{font-size:10px;font-weight:700}.nav-btn.active{background:var(--surface-2);color:var(--text)}
.toast{position:fixed;z-index:60;left:50%;bottom:96px;transform:translate(-50%,20px);opacity:0;background:var(--text);color:var(--bg);padding:11px 15px;border-radius:13px;transition:.2s;pointer-events:none;max-width:calc(100% - 36px);text-align:center;font-weight:700;font-size:13px}.toast.show{opacity:1;transform:translate(-50%,0)}.loading-overlay{position:fixed;z-index:50;inset:0;background:rgba(0,0,0,.42);display:grid;place-items:center;align-content:center;gap:12px;color:#fff;backdrop-filter:blur(4px)}.spinner{width:34px;height:34px;border:3px solid rgba(255,255,255,.25);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}.loading-overlay p{font-weight:750}@keyframes spin{to{transform:rotate(360deg)}}
@media(max-width:420px){.app-shell{padding-left:14px;padding-right:14px}.hero-card h2{font-size:27px}.form-grid.two{grid-template-columns:1fr}.calculation-card{grid-template-columns:1fr 1fr}.calculation-card div:first-child{grid-column:1/-1}}
.form-select{width:100%;border:1px solid var(--line);background:var(--surface);color:var(--text);border-radius:14px;min-height:48px;padding:0 13px;outline:none}