:root{
  --paper: #FAF6EE;
  --paper-dim: #F1EAD9;
  --ink: #211D16;
  --ink-soft: #5B5748;
  --forest: #1F3A2E;
  --forest-light: #2E5442;
  --brick: #A8462F;
  --brick-light: #C25A3F;
  --gold: #C89B3C;
  --line: #DDD3BC;
  --line-strong: #C7BA9C;
  --ok: #2E7D4F;
  --warn: #B4772A;
  --bad: #A8362B;
  --radius: 3px;
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  background:var(--paper);
  color:var(--ink);
  font-family:'Public Sans', sans-serif;
  font-size:15px;
  line-height:1.5;
}
h1,h2,h3,h4{
  font-family:'Fraunces', serif;
  color:var(--forest);
  margin:0 0 .4em 0;
  font-weight:600;
  letter-spacing:-0.01em;
}
a{color:var(--brick);}
.mono{font-family:'JetBrains Mono', monospace;}
button{font-family:inherit;cursor:pointer;}
input,select{font-family:inherit;}

/* ===== Top nav ===== */
.topnav{
  position:sticky; top:0; z-index:50;
  background:var(--paper);
  border-bottom:1px solid var(--line-strong);
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 28px;
}
.brand{display:flex; align-items:baseline; gap:10px; cursor:pointer;}
.brand-logo{align-self:center; flex-shrink:0;}
.brand-mark{font-family:'Fraunces', serif; font-weight:700; font-size:20px; color:var(--forest);}
.brand-sub{font-size:11px; color:var(--ink-soft); font-family:'JetBrains Mono',monospace; letter-spacing:0.02em;}
.navlinks{display:flex; gap:4px;}
.navlink{
  padding:8px 14px; font-size:13.5px; color:var(--ink-soft); border-radius:var(--radius);
  border:1px solid transparent; background:none; transition:all .15s;
}
.navlink:hover{color:var(--forest); background:var(--paper-dim);}
.navlink.active{color:var(--forest); border-color:var(--line-strong); background:#fff; font-weight:600;}

.view{display:none; max-width:1180px; margin:0 auto; padding:0 28px 80px;}
.view.active{display:block;}

/* ===== Landing ===== */
#landing.view{max-width:none; padding:0;}
.hero{
  display:grid; grid-template-columns:1.1fr 0.9fr; gap:0;
  border-bottom:1px solid var(--line-strong);
  min-height:520px;
}
.hero-left{padding:80px 60px 60px 60px; display:flex; flex-direction:column; justify-content:center;}
.hero-eyebrow{font-family:'JetBrains Mono',monospace; font-size:12.5px; color:var(--brick); margin-bottom:22px;}
.hero h1{font-size:52px; line-height:1.05; max-width:560px; margin-bottom:22px;}
.hero p.lede{font-size:17px; color:var(--ink-soft); max-width:480px; margin-bottom:32px;}
.hero-ctas{display:flex; gap:14px; margin-bottom:40px; flex-wrap:wrap;}
.btn{
  padding:12px 22px; border-radius:var(--radius); font-size:14.5px; font-weight:600;
  border:1px solid var(--forest); transition:all .15s; display:inline-flex; align-items:center; gap:8px;
  background:none;
}
.btn-primary{background:var(--forest); color:#fff;}
.btn-primary:hover{background:var(--forest-light);}
.btn-secondary{background:none; color:var(--forest); border-color:var(--line-strong);}
.btn-secondary:hover{border-color:var(--forest);}
.btn-danger{background:none; color:var(--bad); border-color:var(--bad);}
.btn-danger:hover{background:#FBEAE7;}
.btn-sm{padding:6px 12px; font-size:12.5px;}
.hero-stats{display:flex; gap:36px; padding-top:24px; border-top:1px solid var(--line); flex-wrap:wrap;}
.stat-num{font-family:'Fraunces',serif; font-size:30px; color:var(--forest); font-weight:600;}
.stat-label{font-size:12px; color:var(--ink-soft); margin-top:2px;}

.hero-right{
  background:var(--forest); color:#EFE9D8; padding:60px 48px;
  display:flex; flex-direction:column; justify-content:center;
  position:relative; overflow:hidden;
}
.hero-right::before{
  content:""; position:absolute; right:-60px; top:-60px; width:280px; height:280px;
  border-radius:50%; border:1px solid rgba(239,233,216,0.15);
}
.hero-right::after{
  content:""; position:absolute; right:20px; bottom:-80px; width:200px; height:200px;
  border-radius:50%; border:1px solid rgba(239,233,216,0.1);
}
.hero-card-title{font-family:'JetBrains Mono',monospace; font-size:11.5px; color:var(--gold); margin-bottom:18px; letter-spacing:0.03em; flex-shrink:0;}
#heroNutrientRows{overflow-y:auto; max-height:400px; padding-right:8px;}
.hero-nutrient-row{
  display:flex; justify-content:space-between; padding:10px 0; border-bottom:1px solid rgba(239,233,216,0.15);
  font-size:13.5px;
}
.hero-nutrient-row:last-child{border-bottom:none;}
.hero-nutrient-row .n{color:#D8D2BF;}
.hero-nutrient-row .v{font-family:'JetBrains Mono',monospace; color:#fff;}

.section{padding:64px 60px; border-bottom:1px solid var(--line);}
.section-head{display:flex; justify-content:space-between; align-items:flex-end; margin-bottom:36px; gap:20px; flex-wrap:wrap;}
.section-head h2{font-size:28px;}
.section-head p{color:var(--ink-soft); font-size:14px; max-width:420px; margin:0;}

.feature-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:0; border:1px solid var(--line-strong); border-radius:var(--radius); overflow:hidden;}
.feature{padding:30px 26px; border-right:1px solid var(--line-strong); border-bottom:1px solid var(--line-strong);}
.feature:nth-child(3n){border-right:none;}
.feature-num{font-family:'JetBrains Mono',monospace; color:var(--brick); font-size:12px; margin-bottom:14px;}
.feature h3{font-size:16.5px; margin-bottom:8px;}
.feature p{font-size:13.5px; color:var(--ink-soft); margin:0;}

.category-strip{display:flex; gap:0; border:1px solid var(--line-strong); border-radius:var(--radius); overflow:hidden;}
.cat-block{flex:1; padding:26px 22px; border-right:1px solid var(--line-strong); cursor:pointer; transition:background .15s;}
.cat-block:last-child{border-right:none;}
.cat-block:hover{background:var(--paper-dim);}
.cat-block .cat-icon{font-size:26px; margin-bottom:10px; display:block;}
.cat-block h4{margin:0 0 4px; font-size:15px; color:var(--forest);}
.cat-block .cat-count{font-size:12px; color:var(--ink-soft); font-family:'JetBrains Mono',monospace;}

.footer-cta{padding:70px 60px; text-align:left; background:var(--paper-dim);}
.footer-cta h2{font-size:26px; max-width:500px;}
.source-note{padding:28px 60px; font-size:12px; color:var(--ink-soft); background:var(--paper);}
.source-note a{color:var(--ink-soft); text-decoration:underline;}

/* ===== Shared page header for inner views ===== */
.page-head{padding:36px 0 28px; border-bottom:1px solid var(--line); margin-bottom:32px;}
.page-head h1{font-size:30px;}
.page-head p{color:var(--ink-soft); font-size:14px; max-width:600px; margin:0;}

/* ===== Cards / panels ===== */
.panel{border:1px solid var(--line-strong); border-radius:var(--radius); background:#fff; padding:24px;}
.panel + .panel{margin-top:20px;}
.panel h3{font-size:15px; margin-bottom:16px; padding-bottom:12px; border-bottom:1px solid var(--line); display:flex; justify-content:space-between; align-items:center;}

/* ===== Form elements ===== */
.field-row{display:grid; grid-template-columns:180px 1fr; gap:16px; align-items:center; padding:9px 0;}
.field-row label{font-size:13.5px; color:var(--ink-soft); font-weight:500;}
.field-row input, .field-row select{
  padding:9px 12px; border:1px solid var(--line-strong); border-radius:var(--radius); font-size:14px;
  background:#fff; color:var(--ink); width:100%; max-width:260px;
}
.field-row input:focus, .field-row select:focus{outline:2px solid var(--forest); outline-offset:1px; border-color:var(--forest);}
.field-hint{font-size:11.5px; color:#9A947F; margin-top:2px;}

/* ===== Calculator layout ===== */
.calc-tabs{display:flex; gap:4px; border-bottom:1px solid var(--line-strong); margin-bottom:24px;}
.calc-tab{
  padding:10px 18px; font-size:14px; color:var(--ink-soft); background:none; border:none;
  border-bottom:2px solid transparent; margin-bottom:-1px; font-weight:500;
}
.calc-tab:hover{color:var(--forest);}
.calc-tab.active{color:var(--forest); border-bottom-color:var(--forest); font-weight:600;}
.calc-tabpanel{display:none;}
.calc-tabpanel.active{display:block;}
.calc-grid{display:grid; grid-template-columns:340px 1fr; gap:24px; align-items:start;}
.food-picker{max-height:560px; overflow-y:auto;}
#selectedFoodsList{max-height:560px; overflow-y:auto;}
.food-search{
  width:100%; padding:10px 14px; border:1px solid var(--line-strong); border-radius:var(--radius);
  font-size:14px; margin-bottom:14px; background:#fff;
}
.food-cat-label{
  font-family:'JetBrains Mono',monospace; font-size:11px; color:var(--brick); text-transform:uppercase;
  margin:16px 0 8px; letter-spacing:0.03em; display:flex; align-items:center; gap:10px; padding:0 6px;
}
.food-cat-label:first-child{margin-top:0;}
.cat-select-toggle{display:inline-flex; cursor:pointer;}
.cat-select-toggle input[type=checkbox]{accent-color:var(--brick); width:16px; height:16px; flex-shrink:0;}
.food-item{
  display:flex; align-items:center; gap:10px; padding:8px 6px; border-radius:var(--radius); cursor:pointer;
  font-size:13.5px;
}
.food-item:hover{background:var(--paper-dim);}
.food-item input[type=checkbox]{accent-color:var(--forest); width:16px; height:16px; flex-shrink:0;}
.food-item.selected{background:#EFE9D5;}

.selected-panel{margin-top:0;}
.selected-food-row{
  display:grid; grid-template-columns:1fr 44px; gap:10px; align-items:center;
  padding:0; border-bottom:1px solid var(--line);
}
.selected-food-row:last-child{border-bottom:none;}
.selected-food-row .name{font-size:13.5px;}
.remove-btn{background:none; border:none; color:var(--brick); font-size:16px; width:44px; height:44px; display:flex; align-items:center; justify-content:center; border-radius:var(--radius);}
.remove-btn:hover{background:var(--paper-dim);}

.calc-actions{display:flex; gap:12px; margin-top:18px; flex-wrap:wrap;}

.result-block{margin-top:24px;}
.combo-card{
  border:1px solid var(--line-strong); border-radius:var(--radius); padding:18px 20px; margin-bottom:14px; background:#fff;
  position:relative;
}
.combo-card.status-full{border-left:4px solid var(--ok);}
.combo-card.status-partial{border-left:4px solid var(--warn);}
.combo-title{font-size:14px; font-weight:600; margin-bottom:10px; display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:8px;}
.combo-badge{font-size:11px; padding:3px 9px; border-radius:12px; font-family:'JetBrains Mono',monospace;}
.badge-full{background:#E4F3E8; color:var(--ok);}
.badge-partial{background:#FBEEDD; color:var(--warn);}
.combo-items{font-size:13px; color:var(--ink-soft);}
.combo-items .qty{color:var(--forest); font-weight:600; font-family:'JetBrains Mono',monospace;}

.combo-item-row{display:flex; align-items:center; gap:10px; padding:5px 0; font-size:13px;}
.combo-item-name{flex:1; min-width:0; color:var(--ink-soft); overflow:hidden; text-overflow:ellipsis; white-space:nowrap;}
.combo-item-track{width:120px; flex-shrink:0; height:7px; background:var(--paper-dim); border-radius:4px; overflow:hidden;}
.combo-item-fill{display:block; height:100%; background:var(--forest); border-radius:4px;}
.combo-item-qty{width:70px; flex-shrink:0; text-align:right; color:var(--forest); font-weight:600; font-family:'JetBrains Mono',monospace;}
@media (max-width:640px){
  .combo-item-row{flex-wrap:wrap;}
  .combo-item-name{width:100%; white-space:normal;}
  .combo-item-track{order:3; width:100%; flex:1 1 auto;}
  .combo-item-qty{order:2; margin-left:auto;}
}

.missing-section{margin-top:28px;}
.missing-nutrient-block{margin-bottom:22px;}
.missing-nutrient-block h4{font-size:14px; color:var(--brick); margin-bottom:8px;}
.missing-food-list{font-size:13px; color:var(--ink-soft);}
.missing-food-list li{padding:3px 0;}
.missing-food-list .amt{font-family:'JetBrains Mono',monospace; color:var(--forest);}

.pie-chart-row{display:flex; align-items:center; gap:24px; flex-wrap:wrap;}
.pie-chart-row-centered{justify-content:center; gap:48px; padding:20px 0;}
.pie-legend{font-size:13.5px;}
.pie-legend-row{display:flex; align-items:center; gap:8px; padding:4px 0; color:var(--ink);}
.pie-swatch{width:11px; height:11px; border-radius:3px; flex-shrink:0;}
.pie-legend-pct{font-family:'JetBrains Mono',monospace; color:var(--ink-soft); margin-left:2px;}
.pie-legend-label{flex:1;}
.pie-legend-pct-val{font-family:'JetBrains Mono',monospace; color:var(--forest); flex-shrink:0; width:44px; text-align:right;}
.pie-legend-pct-val.over{color:var(--gold);}
.pie-legend-pct-val.under{color:var(--brick);}
.pie-legend-total{margin-top:8px; font-size:12px; color:var(--ink-soft); padding-top:8px; border-top:1px solid var(--line);}

.pie-group-detail{margin-top:14px; padding-top:14px; border-top:1px solid var(--line);}
.pie-group-block{margin-bottom:12px;}
.pie-group-block:last-child{margin-bottom:0;}
.pie-group-block h5{font-size:12px; font-weight:600; margin-bottom:4px;}
.pie-group-block .pie-legend-row{font-size:12.5px; padding:2px 0;}
.pie-group-block .pie-legend-pct-val{color:var(--ink-soft);}
.pie-group-block .pie-legend-pct-val.over{color:var(--gold);}
.pie-group-block .pie-legend-pct-val.under{color:var(--brick);}

.toast-container{position:fixed; bottom:20px; left:50%; transform:translateX(-50%); z-index:1000; display:flex; flex-direction:column; gap:8px; align-items:center; pointer-events:none;}
.toast{background:var(--forest); color:#fff; font-size:13.5px; padding:10px 18px; border-radius:6px; box-shadow:0 4px 16px rgba(0,0,0,0.18); opacity:0; transform:translateY(8px); transition:opacity 0.2s ease, transform 0.2s ease;}
.toast.toast-visible{opacity:1; transform:translateY(0);}
.toast.toast-error{background:var(--brick);}

.ranked-food-row{display:flex; align-items:center; gap:10px; padding:5px 0; font-size:13px;}
.ranked-food-name{width:260px; flex-shrink:0; color:var(--ink); overflow:hidden; text-overflow:ellipsis; white-space:nowrap;}
.ranked-food-cat{color:#9A947F; font-size:12px;}
.ranked-food-track{flex:1; height:8px; background:var(--paper-dim); border-radius:4px; overflow:hidden;}
.ranked-food-fill{display:block; height:100%; background:var(--forest); border-radius:4px;}
.ranked-food-amt{width:90px; flex-shrink:0; text-align:right; font-family:'JetBrains Mono',monospace; color:var(--forest); font-size:12.5px;}
@media (max-width:640px){
  .ranked-food-row{flex-wrap:wrap;}
  .ranked-food-name{width:100%; white-space:normal;}
  .ranked-food-track{order:3; width:100%; flex:1 1 auto;}
  .ranked-food-amt{order:2; margin-left:auto;}
}

.not-tracked-note{
  margin-top:18px; padding:12px 14px; background:var(--paper-dim); border-radius:var(--radius);
  font-size:12.5px; color:var(--ink-soft); border:1px dashed var(--line-strong);
}

.empty-state{
  text-align:center; padding:50px 20px; color:var(--ink-soft); font-size:14px;
  border:1px dashed var(--line-strong); border-radius:var(--radius);
}

/* ===== Catalogue ===== */
.cat-toolbar{display:flex; gap:12px; margin-bottom:20px; flex-wrap:wrap; align-items:center;}
.cat-filter-btn{
  height:38px; padding:0 16px; border:1px solid var(--line-strong); border-radius:20px; background:#fff; font-size:13.5px;
  color:var(--ink-soft); display:inline-flex; align-items:center; box-sizing:border-box; line-height:1;
}
.cat-filter-btn.active{background:var(--forest); color:#fff; border-color:var(--forest);}
.cat-filter-btn.cat-filter-action{color:var(--brick); border-color:var(--brick); font-weight:600;}
.cat-filter-btn.cat-filter-action:hover{background:#FBEEDD;}
.settings-toggle-row{
  display:flex; align-items:center; gap:10px; margin-bottom:16px; font-size:13px; color:var(--ink-soft); cursor:pointer;
}
.settings-toggle-row input[type=checkbox]{accent-color:var(--forest); width:16px; height:16px; flex-shrink:0;}
.autocomplete-wrap{position:relative; flex:1; min-width:220px; display:flex;}
.autocomplete-wrap .food-search{height:38px; margin-bottom:0; box-sizing:border-box;}
.autocomplete-results{
  position:absolute; top:100%; left:0; right:0; background:#fff; border:1px solid var(--line-strong);
  border-radius:var(--radius); margin-top:4px; max-height:320px; overflow-y:auto; z-index:20;
  box-shadow:0 4px 16px rgba(0,0,0,0.08); display:none;
}
.autocomplete-results.show{display:block;}
.ac-item{padding:9px 14px; font-size:13.5px; cursor:pointer; display:flex; justify-content:space-between; gap:10px;}
.ac-item:hover, .ac-item.ac-active{background:var(--paper-dim);}
.ac-item .ac-cat{font-size:11px; color:var(--ink-soft); font-family:'JetBrains Mono',monospace; flex-shrink:0;}
.ac-item .ac-name mark{background:#F3E3B0; color:var(--ink); border-radius:2px;}

table.data-table{width:100%; border-collapse:collapse; font-size:13px;}
table.data-table th{
  text-align:left; padding:9px 10px; border-bottom:2px solid var(--line-strong); color:var(--forest);
  font-weight:600; white-space:nowrap; position:sticky; top:0; background:#fff;
}
table.data-table td{padding:8px 10px; border-bottom:1px solid var(--line); white-space:nowrap;}
table.data-table tr:hover td{background:var(--paper-dim);}
table.data-table tr.row-disabled td{opacity:0.45;}
table.data-table tr.row-variant-hidden td{opacity:0.5; font-style:italic;}
.table-scroll{overflow-x:auto; border:1px solid var(--line-strong); border-radius:var(--radius); max-height:600px; overflow-y:auto;}

.food-detail-modal-bg{
  display:none; position:fixed; inset:0; background:rgba(33,29,22,0.5); z-index:100; align-items:center; justify-content:center;
}
.food-detail-modal-bg.show{display:flex;}
.food-detail-modal{
  background:#fff; border-radius:var(--radius); max-width:640px; width:92%; max-height:86vh; overflow-y:auto; padding:28px;
}
.food-detail-modal h3{font-size:19px; margin-bottom:4px; border:none; padding:0;}
.food-detail-modal .fd-cat{font-size:12px; color:var(--brick); font-family:'JetBrains Mono',monospace; margin-bottom:18px;}
.fd-grid{display:grid; grid-template-columns:1fr 1fr; gap:2px 20px;}
.fd-row{display:flex; justify-content:space-between; padding:5px 0; border-bottom:1px solid var(--line); font-size:13px;}
.fd-row .fd-val{font-family:'JetBrains Mono',monospace; color:var(--forest);}
.fd-row .fd-val.no-data{color:#B7AF95; font-style:italic;}
.modal-close{
  float:right; background:none; border:none; font-size:20px; color:var(--ink-soft); cursor:pointer;
  width:44px; height:44px; display:flex; align-items:center; justify-content:center; margin:-10px -10px 0 0;
  border-radius:var(--radius);
}
.modal-close:hover{background:var(--paper-dim);}
.fd-actions{display:flex; gap:10px; margin-top:18px; padding-top:16px; border-top:1px solid var(--line); flex-wrap:wrap;}
.fd-source{margin-top:16px; padding-top:14px; border-top:1px solid var(--line); font-size:11.5px; color:var(--ink-soft);}
.fd-source a{color:var(--ink-soft);}
.fd-edit-grid{display:grid; grid-template-columns:1fr 90px; gap:6px 12px; align-items:center;}
.fd-edit-grid label{font-size:12.5px; color:var(--ink-soft);}
.fd-edit-grid input{padding:5px 7px; border:1px solid var(--line-strong); border-radius:var(--radius); font-size:12.5px; text-align:right;}

/* ===== DRI / Requirements editor ===== */
.dri-table-wrap{margin-top:20px;}
.dri-editable-row td{padding:6px 10px;}
.dri-editable-row input{width:90px; padding:5px 7px; border:1px solid var(--line-strong); border-radius:var(--radius); font-size:12.5px;}
.dri-editable-row.not-tracked{opacity:0.6;}

.tag{display:inline-block; padding:2px 8px; border-radius:10px; font-size:10.5px; font-family:'JetBrains Mono',monospace;}
.tag-macro{background:#EFE4D0; color:var(--brick);}
.tag-vitamin{background:#DCE9E0; color:var(--forest);}
.tag-mineral{background:#E4E0F0; color:#5B4E9E;}
.tag-nodata{background:#F1EAD9; color:#9A947F;}

@media (max-width:900px){
  .hero{grid-template-columns:1fr;}
  .hero-left{padding:50px 24px 40px;}
  .hero h1{font-size:36px;}
  .section{padding:44px 24px;}
  .feature-grid{grid-template-columns:1fr;}
  .feature{border-right:none;}
  .category-strip{flex-wrap:wrap;}
  .cat-block{flex:1 1 45%; border-bottom:1px solid var(--line-strong);}
  .calc-grid{grid-template-columns:1fr;}
  .view{padding:0 16px 60px;}
  .topnav{padding:12px 16px; flex-wrap:wrap; gap:10px;}
  .navlinks{width:100%; overflow-x:auto;}
  .fd-grid{grid-template-columns:1fr;}
}