/* AgroAdvisor – app.css : modern, responsive, light/dark, print-ready. No inline styles needed (CSP style-src 'self'). */
:root{
  --bg:#f4f7f6; --bg2:#e9f1ee; --surface:#ffffff; --surface2:#f8fbfa; --ink:#0f1f1c; --muted:#5a6f69; --line:#d8e4e0;
  --brand:#0f766e; --brand2:#14b8a6; --brand-ink:#ffffff; --accent:#f59e0b;
  --ok:#15803d; --ok-bg:#dcfce7; --warn:#b45309; --warn-bg:#fef3c7; --bad:#b91c1c; --bad-bg:#fee2e2; --info:#1d4ed8; --info-bg:#dbeafe; --unk:#475569; --unk-bg:#e2e8f0;
  --radius:18px; --radius-s:12px; --shadow:0 1px 2px rgba(15,31,28,.06),0 8px 28px rgba(15,31,28,.08);
  --ring:0 0 0 3px rgba(20,184,166,.35);
  --font:system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans","Noto Sans Devanagari",sans-serif;
  color-scheme:light;
}
:root[data-theme="dark"]{
  --bg:#0a1412; --bg2:#0e1d1a; --surface:#122320; --surface2:#162a26; --ink:#e6f2ef; --muted:#93aaa4; --line:#223a35;
  --brand:#2dd4bf; --brand2:#0d9488; --brand-ink:#04211d; --accent:#fbbf24;
  --ok:#4ade80; --ok-bg:#12351f; --warn:#fbbf24; --warn-bg:#3a2c0b; --bad:#f87171; --bad-bg:#3b1414; --info:#93c5fd; --info-bg:#132a4d; --unk:#cbd5e1; --unk-bg:#27343d;
  --shadow:0 1px 2px rgba(0,0,0,.4),0 10px 32px rgba(0,0,0,.35); color-scheme:dark;
}
@media (prefers-color-scheme:dark){
  :root[data-theme="auto"]{
    --bg:#0a1412; --bg2:#0e1d1a; --surface:#122320; --surface2:#162a26; --ink:#e6f2ef; --muted:#93aaa4; --line:#223a35;
    --brand:#2dd4bf; --brand2:#0d9488; --brand-ink:#04211d; --accent:#fbbf24;
    --ok:#4ade80; --ok-bg:#12351f; --warn:#fbbf24; --warn-bg:#3a2c0b; --bad:#f87171; --bad-bg:#3b1414; --info:#93c5fd; --info-bg:#132a4d; --unk:#cbd5e1; --unk-bg:#27343d;
    --shadow:0 1px 2px rgba(0,0,0,.4),0 10px 32px rgba(0,0,0,.35); color-scheme:dark;
  }
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font:16px/1.55 var(--font);color:var(--ink);background:radial-gradient(1200px 600px at 10% -10%,color-mix(in srgb,var(--brand2) 14%,transparent),transparent 60%),radial-gradient(900px 500px at 100% 0,color-mix(in srgb,var(--accent) 10%,transparent),transparent 55%),var(--bg);min-height:100vh;display:flex;flex-direction:column}
body.plain{align-items:center;padding:24px 16px}
h1,h2,h3{line-height:1.2;margin:0 0 .4em;letter-spacing:-.01em}
h1{font-size:clamp(1.8rem,4.5vw,2.8rem)} h2{font-size:1.35rem} h3{font-size:1.05rem}
p{margin:.4em 0}
a{color:var(--brand)}
code{background:var(--bg2);padding:.1em .4em;border-radius:6px;font-size:.9em}
.muted{color:var(--muted)} .sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px;top:8px;background:var(--brand);color:var(--brand-ink);padding:8px 14px;border-radius:8px;z-index:100}
.skip:focus{left:8px}
:focus-visible{outline:none;box-shadow:var(--ring);border-radius:8px}
[hidden]{display:none!important}
.ic{width:1.25em;height:1.25em;flex:none;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;vertical-align:-.2em}

/* ---------- header ---------- */
.top{position:sticky;top:0;z-index:30;backdrop-filter:saturate(1.4) blur(14px);background:color-mix(in srgb,var(--surface) 78%,transparent);border-bottom:1px solid var(--line)}
.top__in{max-width:1100px;margin:0 auto;padding:10px 16px;display:flex;align-items:center;gap:12px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;text-decoration:none;color:var(--ink);font-size:1.1rem}
.brand__ic{width:32px;height:32px;color:var(--brand);stroke-width:1.6}
.modes{display:flex;gap:6px;margin-left:auto;background:var(--bg2);padding:4px;border-radius:999px}
.chip-tab{display:inline-flex;align-items:center;gap:6px;border:0;background:transparent;color:var(--muted);font:inherit;font-weight:600;padding:8px 14px;border-radius:999px;cursor:pointer;transition:.2s}
.chip-tab[aria-current="true"]{background:var(--surface);color:var(--brand);box-shadow:var(--shadow)}
.top__actions{display:flex;gap:4px}
.icon-btn{display:inline-grid;place-items:center;width:40px;height:40px;border-radius:12px;border:0;background:transparent;color:var(--ink);cursor:pointer;text-decoration:none}
.icon-btn:hover{background:var(--bg2)}
@media (max-width:620px){.chip-tab span{display:none}.chip-tab{padding:9px 12px}.brand span{display:none}}

main{flex:1;width:100%;max-width:1100px;margin:0 auto;padding:20px 16px 40px;outline:none}
.foot{max-width:1100px;margin:0 auto;padding:0 16px 28px;color:var(--muted);text-align:center}

/* ---------- landing ---------- */
.landing{padding:clamp(12px,4vw,48px) 0;text-align:center}
.eyebrow{display:inline-flex;gap:6px;align-items:center;font-weight:600;font-size:.85rem;text-transform:uppercase;letter-spacing:.08em;color:var(--brand);background:color-mix(in srgb,var(--brand2) 14%,transparent);padding:6px 12px;border-radius:999px}
.lead{max-width:62ch;margin:.8em auto 1.6em;color:var(--muted);font-size:1.1rem}
.mode-cards{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(min(100%,320px),1fr));max-width:820px;margin:0 auto}
.mode-card{display:flex;flex-direction:column;gap:6px;text-align:left;padding:22px;border-radius:var(--radius);border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow);cursor:pointer;font:inherit;color:inherit;transition:transform .2s,border-color .2s}
.mode-card:hover{transform:translateY(-3px);border-color:var(--brand2)}
.mode-card__ic{display:grid;place-items:center;width:54px;height:54px;border-radius:16px;color:#fff;background:linear-gradient(135deg,var(--brand),var(--brand2))}
.mode-card--b .mode-card__ic{background:linear-gradient(135deg,#d97706,#f59e0b)}
.mode-card__ic .ic{width:28px;height:28px}
.mode-card__t{font-size:1.25rem;font-weight:700;margin-top:6px}
.mode-card__d{color:var(--muted)}
.mode-card__go{display:inline-flex;align-items:center;gap:4px;margin-top:8px;color:var(--brand);font-weight:700}
.stats{list-style:none;display:flex;flex-wrap:wrap;gap:10px;justify-content:center;padding:0;margin:28px 0 0}
.stats li{padding:8px 14px;border-radius:999px;background:var(--surface);border:1px solid var(--line);font-size:.9rem;color:var(--muted)}
.stats b{color:var(--ink);font-size:1rem}

/* ---------- wizard ---------- */
.wizard{background:var(--surface);border:1px solid var(--line);border-radius:calc(var(--radius) + 4px);box-shadow:var(--shadow);overflow:hidden}
.wiz-head{padding:14px 16px 0;display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.ghost{display:inline-flex;gap:6px;align-items:center;border:0;background:transparent;color:var(--muted);font:inherit;cursor:pointer;padding:6px 10px;border-radius:10px}
.ghost:hover{background:var(--bg2);color:var(--ink)}
.steps{display:flex;gap:6px;list-style:none;margin:0 0 0 auto;padding:0;flex-wrap:wrap}
.steps li{display:flex;align-items:center;gap:6px;font-size:.85rem;color:var(--muted);padding:4px 10px 4px 4px;border-radius:999px;background:var(--bg2)}
.steps li b{display:grid;place-items:center;width:22px;height:22px;border-radius:50%;background:var(--line);color:var(--muted);font-size:.75rem}
.steps li[aria-current="step"]{background:color-mix(in srgb,var(--brand2) 18%,transparent);color:var(--ink);font-weight:600}
.steps li[aria-current="step"] b{background:var(--brand);color:var(--brand-ink)}
.steps li.done b{background:var(--ok);color:#fff}
@media (max-width:700px){.steps li span{display:none}.steps li{padding:4px}}
#wizProgress{width:100%;height:4px;appearance:none;border:0;background:var(--line);border-radius:4px;overflow:hidden;margin-top:4px}
#wizProgress::-webkit-progress-bar{background:var(--line)} #wizProgress::-webkit-progress-value{background:linear-gradient(90deg,var(--brand),var(--brand2));transition:width .3s}
#wizProgress::-moz-progress-bar{background:var(--brand)}
.viewport{overflow:hidden;touch-action:pan-y;position:relative;transition:height .3s ease}
.track{display:flex;align-items:flex-start;transition:transform .38s cubic-bezier(.22,.8,.3,1);will-change:transform}
.track.dragging{transition:none}
.step{flex:0 0 100%;min-width:0;padding:22px clamp(14px,3vw,32px) 12px;max-height:none}
.step[inert]{opacity:0;transition:opacity .25s}
.step{transition:opacity .25s}
.step__h{display:flex;gap:14px;align-items:flex-start;margin-bottom:18px}
.step__h>div:first-of-type{flex:1;min-width:0}
.step__h p{color:var(--muted);margin:0}
.step__ic{display:grid;place-items:center;flex:none;width:46px;height:46px;border-radius:14px;background:color-mix(in srgb,var(--brand2) 16%,transparent);color:var(--brand)}
.step__ic .ic{width:24px;height:24px}
.step__tools{display:flex;gap:6px;flex-wrap:wrap}
.wiz-foot{display:flex;gap:10px;align-items:center;justify-content:space-between;padding:14px 16px;border-top:1px solid var(--line);background:var(--surface2);position:sticky;bottom:0}
.live{flex:1;text-align:center;font-size:.9rem;color:var(--bad);min-height:1.2em}
.live.ok{color:var(--ok)}

/* ---------- controls ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:inherit;font-weight:700;border-radius:14px;padding:12px 20px;border:1px solid transparent;cursor:pointer;transition:.15s;min-height:46px;text-decoration:none}
.btn--primary{background:linear-gradient(135deg,var(--brand),var(--brand2));color:var(--brand-ink);box-shadow:0 6px 18px color-mix(in srgb,var(--brand) 30%,transparent)}
.btn--primary:hover{filter:brightness(1.06)} .btn--primary[disabled]{opacity:.5;cursor:not-allowed}
.btn--ghost{background:transparent;border-color:var(--line);color:var(--ink)} .btn--ghost:hover{background:var(--bg2)}
.btn--danger{background:var(--bad-bg);color:var(--bad);border-color:transparent}
.btn--sm{min-height:34px;padding:6px 12px;font-size:.9rem;border-radius:10px}
.btn[disabled]{opacity:.45;cursor:not-allowed}
.field{margin:0 0 18px;border:0;padding:0;min-width:0}
label,legend{display:block;font-weight:600;margin-bottom:6px;padding:0}
.opt{font-weight:400;color:var(--muted);font-size:.85em;margin-left:6px}
input:not([type]),input[type=text],input[type=search],input[type=number],input[type=password],input[type=email],input[type=url],input[type=date],select,textarea{width:100%;font:inherit;color:var(--ink);background:var(--surface2);border:1.5px solid var(--line);border-radius:var(--radius-s);padding:11px 14px;min-height:46px;transition:border-color .15s,box-shadow .15s}
textarea{min-height:90px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--brand2);box-shadow:var(--ring)}
input[aria-invalid="true"],.combo.invalid input{border-color:var(--bad);background:color-mix(in srgb,var(--bad-bg) 45%,var(--surface2))}
.hint{font-size:.88rem;color:var(--muted)}
.err{font-size:.88rem;color:var(--bad);margin:6px 0 0;display:flex;gap:6px;align-items:center}
input[type=range]{width:100%;accent-color:var(--brand);height:30px}
meter{width:100%;height:10px}
.age__row{display:grid;grid-template-columns:1fr 130px;gap:10px}
.quick{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0 0}
.quick button,.partfilter button{border:1px solid var(--line);background:var(--surface2);color:var(--ink);font:inherit;font-size:.9rem;padding:6px 12px;border-radius:999px;cursor:pointer}
.quick button:hover,.partfilter button:hover{border-color:var(--brand2)}
.partfilter{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:10px}
.partfilter button[aria-pressed="true"]{background:var(--brand);color:var(--brand-ink);border-color:var(--brand)}
.stage{margin:10px 0 0;padding:10px 14px;border-radius:var(--radius-s);background:var(--info-bg);color:var(--info);font-size:.95rem}
.stage.warn{background:var(--warn-bg);color:var(--warn)}

/* ---------- combobox ---------- */
.combo{position:relative}
.combo__box{display:flex;flex-wrap:wrap;gap:6px;align-items:center;background:var(--surface2);border:1.5px solid var(--line);border-radius:var(--radius-s);padding:6px 8px;min-height:48px}
.combo__box:focus-within{border-color:var(--brand2);box-shadow:var(--ring)}
.combo.invalid .combo__box{border-color:var(--bad)}
.combo__box input{flex:1;min-width:140px;border:0;background:transparent;box-shadow:none!important;padding:6px;min-height:34px}
.combo__box input:focus{box-shadow:none}
.combo__list{position:absolute;left:0;right:0;top:calc(100% + 6px);z-index:40;list-style:none;margin:0;padding:6px;max-height:320px;overflow:auto;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-s);box-shadow:var(--shadow)}
.combo__list li{padding:9px 12px;border-radius:9px;cursor:pointer;display:flex;flex-direction:column}
.combo__list li[aria-selected="true"],.combo__list li:hover{background:color-mix(in srgb,var(--brand2) 16%,transparent)}
.combo__list li small{color:var(--muted);font-size:.8rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.combo__list mark{background:color-mix(in srgb,var(--accent) 35%,transparent);color:inherit;border-radius:3px}
.combo__empty{padding:12px;color:var(--muted);cursor:default}
.chip{display:inline-flex;align-items:center;gap:6px;padding:5px 6px 5px 12px;border-radius:999px;background:color-mix(in srgb,var(--brand2) 18%,transparent);color:var(--ink);font-size:.92rem;max-width:100%}
.chip span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.chip button{display:grid;place-items:center;width:22px;height:22px;border-radius:50%;border:0;background:color-mix(in srgb,var(--ink) 12%,transparent);color:var(--ink);cursor:pointer;padding:0}
.chip button .ic{width:14px;height:14px}

/* symptom tags */
.search-line{position:relative;margin-bottom:10px}
.search-line .ic{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--muted)}
.search-line input{padding-left:40px}
.tags{display:flex;flex-wrap:wrap;gap:8px;max-height:260px;overflow:auto;padding:2px}
.tag{border:1.5px solid var(--line);background:var(--surface2);color:var(--ink);font:inherit;font-size:.92rem;padding:7px 12px;border-radius:999px;cursor:pointer;display:inline-flex;gap:6px;align-items:center;transition:.12s}
.tag:hover{border-color:var(--brand2)}
.tag[aria-pressed="true"]{background:var(--brand);border-color:var(--brand);color:var(--brand-ink);font-weight:600}
.tag small{opacity:.7}
.likely{margin-top:8px;padding:14px;border-radius:var(--radius);background:var(--bg2);border:1px dashed var(--line)}
.likely h3{display:flex;gap:8px;align-items:center;font-size:1rem}
.lk{display:flex;gap:10px;align-items:center;padding:8px 0;border-top:1px solid var(--line)}
.lk:first-child{border-top:0}
.lk__main{flex:1;min-width:0} .lk__main small{display:block;color:var(--muted)}
.lk meter{width:90px;flex:none}

/* intensity */
.levels{display:grid;gap:10px;grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}
.level{position:relative;display:flex;flex-direction:column;gap:4px;padding:16px;border:1.5px solid var(--line);border-radius:var(--radius);background:var(--surface2);cursor:pointer;margin:0;font-weight:500;transition:.15s}
.level:hover{border-color:var(--brand2)}
.level input{position:absolute;opacity:0;pointer-events:none}
.level:has(input:checked){border-color:var(--brand);background:color-mix(in srgb,var(--brand2) 14%,var(--surface2));box-shadow:var(--ring)}
.level:has(input:focus-visible){box-shadow:var(--ring)}
.level b{font-size:1.05rem}
.level small{color:var(--muted)}
.level__bar{display:flex;gap:3px;margin-bottom:4px}
.level__bar i{width:16px;height:6px;border-radius:3px;background:var(--line)}
.level__bar i.on{background:var(--c,var(--brand))}
.lv1{--c:#22c55e}.lv2{--c:#eab308}.lv3{--c:#f97316}.lv4{--c:#ef4444}

/* review */
.review{display:grid;gap:10px;margin:0}
.review div{display:grid;grid-template-columns:140px 1fr;gap:12px;padding:12px 14px;border-radius:var(--radius-s);background:var(--surface2);border:1px solid var(--line)}
.review dt{color:var(--muted);font-weight:600} .review dd{margin:0;display:flex;gap:6px;flex-wrap:wrap}
@media (max-width:520px){.review div{grid-template-columns:1fr;gap:2px}}
.selprods{display:grid;gap:10px;margin-top:6px}
.sp{display:flex;gap:12px;align-items:center;padding:12px 14px;border:1px solid var(--line);border-radius:var(--radius-s);background:var(--surface2)}
.sp__ic{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:color-mix(in srgb,var(--accent) 22%,transparent);color:var(--warn)}
.sp__t{flex:1;min-width:0} .sp__t b{display:block} .sp__t small{color:var(--muted);display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- results ---------- */
.res{display:grid;gap:16px}
.banner{display:flex;gap:14px;align-items:flex-start;padding:16px 18px;border-radius:var(--radius);border:1px solid transparent}
.banner .ic{width:28px;height:28px;margin-top:2px}
.banner h3{margin:0 0 2px}
.banner--ok{background:var(--ok-bg);color:var(--ok)} .banner--warn{background:var(--warn-bg);color:var(--warn)} .banner--bad{background:var(--bad-bg);color:var(--bad)} .banner--info{background:var(--info-bg);color:var(--info)}
.banner p{color:var(--ink);margin:0}
.cardx{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}
.cardx--rec{border-color:var(--brand2);box-shadow:0 0 0 2px color-mix(in srgb,var(--brand2) 30%,transparent),var(--shadow)}
.cardx__head{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:10px}
.cardx__head h3{margin:0;flex:1}
.label{font-size:.75rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;padding:4px 10px;border-radius:999px;background:var(--bg2);color:var(--muted)}
.label--rec{background:var(--brand);color:var(--brand-ink)}
.molrow{display:flex;gap:10px;flex-wrap:wrap}
.mol{flex:1 1 230px;display:flex;gap:12px;padding:12px;border-radius:var(--radius-s);background:var(--surface2);border:1px solid var(--line);text-align:left;font:inherit;color:inherit;cursor:pointer}
.mol:hover{border-color:var(--brand2)}
.mol__ic{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;color:#fff;flex:none;background:var(--brand)}
.mol__ic.cat-Fungicide,.mol__ic.cat-Bio-fungicide{background:#0f766e}.mol__ic.cat-Insecticide,.mol__ic.cat-Bio-insecticide{background:#c2410c}.mol__ic.cat-Bactericide{background:#7c3aed}.mol__ic.cat-Acaricide,.mol__ic.cat-Nematicide{background:#be185d}
.mol b{display:block} .mol small{display:block;color:var(--muted)}
.badge{display:inline-flex;align-items:center;gap:4px;font-size:.75rem;font-weight:800;padding:3px 9px;border-radius:999px;letter-spacing:.03em;white-space:nowrap}
.badge--fc{background:var(--ok-bg);color:var(--ok)} .badge--lc{background:var(--info-bg);color:var(--info)} .badge--nc{background:var(--bad-bg);color:var(--bad)} .badge--unk{background:var(--unk-bg);color:var(--unk)}
.badge--warn{background:var(--warn-bg);color:var(--warn)} .badge--ok{background:var(--ok-bg);color:var(--ok)} .badge--moa{background:var(--bg2);color:var(--ink);border:1px solid var(--line)}
.risk-low{color:var(--ok)} .risk-medium{color:var(--warn)} .risk-high{color:var(--bad)}
.meters{display:flex;gap:16px;flex-wrap:wrap;margin:12px 0 4px;color:var(--muted);font-size:.88rem}
.meters label{margin:0;font-weight:500} .meters meter{width:120px;display:block}
.sub{margin:14px 0 6px;font-size:.78rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.prodlist{list-style:none;padding:0;margin:0;display:grid;gap:6px}
.prodlist li{display:flex;gap:10px;align-items:center;padding:8px 10px;border-radius:10px;background:var(--surface2);border:1px solid var(--line)}
.prodlist li b{flex:0 1 auto} .prodlist li small{color:var(--muted);flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.prodlist button{all:unset;cursor:pointer;display:flex;gap:10px;align-items:center;width:100%}
.prodlist button:focus-visible{box-shadow:var(--ring)}
.why{margin:8px 0 0;padding-left:1.1em;color:var(--muted)}
details.fold{border:1px solid var(--line);border-radius:var(--radius-s);background:var(--surface2);padding:2px 14px}
details.fold>summary{cursor:pointer;font-weight:700;padding:10px 0;list-style:none;display:flex;gap:8px;align-items:center}
details.fold>summary::-webkit-details-marker{display:none}
details.fold>summary::after{content:"";margin-left:auto;width:8px;height:8px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg);transition:.2s}
details.fold[open]>summary::after{transform:rotate(-135deg)}
.timeline{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.timeline li{display:flex;gap:12px;align-items:center;padding:10px 12px;border-radius:var(--radius-s);background:var(--surface2);border:1px solid var(--line)}
.timeline .n{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:var(--brand);color:var(--brand-ink);font-weight:800;flex:none}
.timeline small{color:var(--muted);display:block}
.pairs{display:grid;gap:10px}
.pair{display:grid;gap:6px;padding:14px;border-radius:var(--radius-s);border:1px solid var(--line);background:var(--surface2);border-left-width:5px}
.pair--OK{border-left-color:var(--ok)} .pair--USE_ONE{border-left-color:var(--warn)} .pair--NOT_COMPATIBLE{border-left-color:var(--bad)}
.pair__h{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.pair__h b{flex:1 1 auto}
.chain{display:flex;gap:6px;flex-wrap:wrap;margin:4px 0}
.fb{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.fb .btn{min-height:38px;padding:6px 14px}
.fb .thx{color:var(--ok);font-weight:600}
.kv{display:grid;grid-template-columns:150px 1fr;gap:6px 12px;margin:0}
.kv dt{color:var(--muted);font-weight:600} .kv dd{margin:0;overflow-wrap:anywhere}
@media (max-width:560px){.kv{grid-template-columns:1fr}.kv dt{margin-top:6px}}
.legend{display:grid;grid-template-columns:auto 1fr;gap:6px 12px;align-items:center}
.legend dd{margin:0}
.tablewrap{overflow:auto;border:1px solid var(--line);border-radius:var(--radius-s)}
table{border-collapse:collapse;width:100%;font-size:.93rem}
th,td{padding:9px 12px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
th{background:var(--surface2);font-weight:700;position:sticky;top:0;white-space:nowrap}
tr:last-child td{border-bottom:0}

/* ---------- dialog ---------- */
dialog.dlg{border:0;padding:0;border-radius:var(--radius);width:min(720px,calc(100vw - 24px));max-height:calc(100dvh - 24px);background:var(--surface);color:var(--ink);box-shadow:0 30px 80px rgba(0,0,0,.4)}
dialog.dlg::backdrop{background:rgba(5,15,13,.55);backdrop-filter:blur(3px)}
.dlg__bar{display:flex;align-items:center;justify-content:space-between;padding:12px 14px 12px 20px;border-bottom:1px solid var(--line);position:sticky;top:0;background:var(--surface);z-index:1}
.dlg__bar h2{margin:0;font-size:1.1rem}
.dlg__body{padding:18px 20px 24px;overflow:auto}

/* ---------- misc ---------- */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.narrow{width:100%;max-width:620px;margin:6vh auto}
.alert{padding:12px 16px;border-radius:var(--radius-s);margin:12px 0}
.alert--ok{background:var(--ok-bg);color:var(--ok)} .alert--bad{background:var(--bad-bg);color:var(--bad)} .alert--warn{background:var(--warn-bg);color:var(--warn)} .alert--info{background:var(--info-bg);color:var(--info)}
.alert ul{margin:6px 0 0;padding-left:1.2em}
.checks{list-style:none;padding:0;display:grid;gap:8px;margin:16px 0}
.spinner{display:inline-block;width:20px;height:20px;border:3px solid var(--line);border-top-color:var(--brand);border-radius:50%;animation:spin .8s linear infinite;vertical-align:middle}
@keyframes spin{to{transform:rotate(360deg)}}
.loading{display:flex;gap:12px;align-items:center;justify-content:center;padding:40px;color:var(--muted)}
.skeleton{height:90px;border-radius:var(--radius);background:linear-gradient(90deg,var(--bg2),var(--surface2),var(--bg2));background-size:200% 100%;animation:sk 1.2s infinite}
@keyframes sk{to{background-position:-200% 0}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

/* ---------- print (A4) ---------- */
@media print{
  @page{size:A4;margin:14mm}
  body{background:#fff;color:#000;font-size:11pt}
  .top,.wiz-head,.wiz-foot,.step__tools,.fb,.skip,.icon-btn,.btn,.foot .noprint{display:none!important}
  .wizard{border:0;box-shadow:none} .viewport{overflow:visible} .track{transform:none!important;display:block}
  .step:not(.step--result){display:none} .viewport{height:auto!important}
  .cardx,.pair,.banner{break-inside:avoid;box-shadow:none}
  details.fold{display:block} details.fold>*{display:block}
}

/* ---------- mobile / overflow hardening ---------- */
.selprods,.res,.pairs,.review{grid-template-columns:minmax(0,1fr)}
.step{overflow-wrap:anywhere}
.step .tablewrap{max-width:100%}
@media (max-width:640px){
  .step__h{flex-wrap:wrap}
  .step__tools{flex-basis:100%;justify-content:flex-start}
  .banner{padding:14px} .cardx{padding:14px}
  .mol{flex-basis:100%}
  .prodlist li{flex-wrap:wrap}
  .prodlist li small{white-space:normal}
  .meters{gap:8px}
}

/* mix: molecule-level pair cards */
.mps{display:grid;gap:10px;padding:4px 0 12px}
.mp{padding:12px;border-radius:var(--radius-s);background:var(--surface);border:1px solid var(--line);display:grid;gap:8px}
.mp__mols{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);gap:10px;align-items:start}
.mp__mol{display:grid;gap:3px;align-content:start} .mp__mol small{color:var(--muted)} .mp__mol .badge{justify-self:start}
.mp__op{align-self:center;font-weight:800;color:var(--muted);font-size:1.3rem}
.mp__why{margin:0} .mp__basis{margin:0;font-size:.85rem}
@media (max-width:560px){.mp__mols{grid-template-columns:1fr}.mp__op{display:none}}

/* spray card */
.grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
@media (max-width:720px){.grid3{grid-template-columns:minmax(0,1fr)}}
.spraybox{border:1px dashed var(--line);border-radius:var(--radius-s);padding:12px 14px;background:var(--surface2)}
.spraybox legend{display:flex;gap:6px;align-items:center;font-weight:700}
.sc{margin:14px 0;padding:14px;border:1px solid var(--line);border-radius:var(--radius-s);background:var(--surface2);display:grid;gap:12px}
.sc__bar{display:flex;gap:10px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.sc__bar h4{margin:0;display:flex;gap:8px;align-items:center}
.sc__list{display:grid;gap:12px}
.sc__it{padding:12px;border-radius:var(--radius-s);background:var(--surface);border:1px solid var(--line);display:grid;gap:10px}
.sc__it--none{border-style:dashed}
.sc__h{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.sc__h b{font-size:1.05rem;margin-right:auto}
.sc__kv{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin:0}
.sc__kv div{display:grid;gap:2px}
.sc__kv dt{font-size:.78rem;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}
.sc__kv dd{margin:0;font-weight:650} .sc__kv small{font-weight:400;color:var(--muted);display:block}
.sc__tanks{display:flex;gap:8px;flex-wrap:wrap}
.sc__tank{display:grid;gap:1px;padding:8px 12px;border-radius:var(--radius-s);background:var(--info-bg);color:var(--info);min-width:104px}
.sc__tank small{font-size:.75rem} .sc__tank b{font-size:1.05rem}
.sc__area{margin:0;display:block}
.sc__area .ic{width:18px;height:18px;display:inline-block;vertical-align:-3px;margin-right:6px}
.sc__src{margin:0} .sc__flag{margin:0;display:flex;gap:6px;color:var(--warn);align-items:flex-start} .sc__flag .ic{width:16px;height:16px;flex:none;margin-top:2px}
@media print{.sc{break-inside:avoid;background:#fff} .sc__tank{border:1px solid #888;background:#fff;color:#000}}

/* ---------- product-type preference ---------- */
.prefbox{border:1px dashed var(--line);border-radius:var(--radius-s);padding:12px 14px;background:var(--surface2)}
.prefbox legend{display:flex;gap:6px;align-items:center;font-weight:700}
.prefs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
.pref{position:relative;display:block;margin:0;font-weight:400;cursor:pointer}
.pref input{position:absolute;opacity:0;inset:0;margin:0;cursor:pointer}
.pref span{display:grid;gap:2px;padding:10px 12px;border:1.5px solid var(--line);border-radius:var(--radius-s);background:var(--surface);height:100%;transition:border-color .15s,background .15s}
.pref small{color:var(--muted)}
.pref input:checked+span{border-color:var(--brand);background:color-mix(in srgb,var(--brand) 10%,var(--surface))}
.pref input:focus-visible+span{box-shadow:var(--ring)}
@media (max-width:640px){.prefs{grid-template-columns:minmax(0,1fr)}}

/* ---------- result layout with side pane ---------- */
.reslayout{display:grid;gap:16px;grid-template-columns:minmax(0,1fr)}
.resmain{min-width:0}
.sidepane{min-width:0;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow);overflow:hidden;align-self:start}
.sp-tabs{display:flex;gap:2px;padding:6px;background:var(--surface2);border-bottom:1px solid var(--line);overflow-x:auto}
.sp-tab{flex:1 1 0;display:inline-flex;gap:6px;align-items:center;justify-content:center;min-height:40px;padding:6px 8px;border:0;border-radius:10px;background:transparent;color:var(--muted);font:inherit;font-weight:600;font-size:.9rem;cursor:pointer;white-space:nowrap}
.sp-tab[aria-selected=true]{background:var(--brand);color:var(--brand-ink)}
.sp-tab:focus-visible{outline:none;box-shadow:var(--ring)}
.sp-panel{padding:14px}
.sp-panel[hidden]{display:none}
.alerts{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.alerts li{display:flex;gap:8px;padding:10px 12px;border-radius:var(--radius-s);background:var(--warn-bg);color:var(--ink)}
.alerts .ic{flex:none;color:var(--warn)}
.alertline{display:flex;gap:8px;align-items:center;margin:0;padding:8px 12px;border-radius:var(--radius-s);background:var(--warn-bg)}
.alertline .ic{color:var(--warn);flex:none}
.linkbtn{border:0;background:none;padding:0;color:var(--brand);font:inherit;font-weight:700;text-decoration:underline;cursor:pointer}
@media (min-width:980px){
  .reslayout{grid-template-columns:minmax(0,1fr) 340px}
  .sidepane{position:sticky;top:76px;max-height:calc(100vh - 92px);overflow:auto}
}
.sc__tank b{white-space:nowrap}

/* ---------- printable A4 spray card ---------- */
.psheet{display:none}
.ps{font:9pt/1.3 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:#111;width:182mm;max-height:265mm;overflow:hidden;break-inside:avoid;page-break-after:avoid}
.ps small{display:block;color:#555;font-size:7.5pt}
.ps{-webkit-print-color-adjust:exact;print-color-adjust:exact}
.ps__head{display:flex;justify-content:space-between;align-items:flex-end;padding:4mm 5mm;border-radius:3mm;background:linear-gradient(120deg,#0f766e,#14b8a6);color:#fff;margin-bottom:4mm}
.ps__head h1{margin:0;font-size:22pt;letter-spacing:.8pt;color:#fff}
.ps__meta{color:#e6fffb!important}
.ps__head p{margin:1mm 0 0;font-size:10.5pt;font-weight:600}
.ps__meta{text-align:right;font-size:8pt;display:grid;gap:1mm}
.ps__row{display:grid;grid-template-columns:1fr 1fr 1fr;gap:2.5mm;margin-bottom:3mm}
.ps__box{border:.8pt solid #b8cdc7;border-radius:2.5mm;padding:2mm 3mm;background:#f3f9f7}
.ps__box small{text-transform:uppercase;letter-spacing:.4pt;font-weight:700}
.ps__box b{display:block;font-size:10pt}
.ps__box span{font-size:7.5pt;color:#444}
.ps__box--warn,.ps__box--bad{background:#fef3c7;border-color:#e0b04a}
.ps__tbl{width:100%;border-collapse:collapse;margin-bottom:3mm}
.ps__tbl th{background:#0f766e;color:#fff;text-align:left;font-size:7.5pt;padding:1.5mm 2mm}
.ps__tbl td{padding:1.5mm 2mm;border-bottom:.5pt solid #cfdcd8;vertical-align:top}
.ps__tbl .num,.ps__tbl th.num{text-align:right}
.ps__tbl tbody tr:nth-child(even){background:#f7fbfa}
.ps__sec{margin-bottom:2.5mm}
.ps__sec h2{margin:0 0 1mm;font-size:9.5pt;color:#0f766e;border-bottom:.5pt solid #b8cdc7}
.ps__sec ul{margin:0;padding-left:4mm}
.ps__prog{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:1.5mm}
.ps__prog li{border:.5pt solid #cfdcd8;border-radius:2mm;padding:1.2mm 2mm;display:grid}
.ps__prog b{color:#0f766e}
.ps__prog span{font-size:7.5pt;color:#444}
.ps__alerts{color:#7c4a03}
.ps__foot{margin-top:3mm;padding-top:1.5mm;border-top:.5pt solid #b8cdc7;font-size:7pt;color:#555}
@media print{
  .reslayout{display:block}
  .sidepane{margin-top:12px;position:static;box-shadow:none;max-height:none}
  .sp-tabs{display:none}
  .sp-panel[hidden]{display:block!important}
  #printSheet{display:none!important}
  body.print-card>*:not(#printSheet){display:none!important}
  body.print-card #printSheet{display:block!important;position:static}
  body.print-card{background:#fff!important;color:#111}
}

.step .tablewrap td{overflow-wrap:break-word}