*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{--green-900:#1B4332;--green-700:#2D6A4F;--green-500:#40916C;--green-300:#95D5B2;--green-100:#D8F3DC;--amber-500:#E9A23B;--red-500:#D64045;--red-100:#FDE8E9;--gray-900:#1A1A2E;--gray-700:#4A4E69;--gray-500:#6B7280;--gray-300:#D1D5DB;--gray-100:#F3F4F6;--white:#FFFFFF;--radius:12px;--radius-sm:8px;--shadow:0 2px 8px rgba(0,0,0,.08);--shadow-lg:0 8px 24px rgba(0,0,0,.12);--font:system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;--max-width:1120px}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--gray-900);background:var(--white);line-height:1.6;-webkit-font-smoothing:antialiased}
.container{max-width:var(--max-width);margin:0 auto;padding:0 20px}
img,svg{max-width:100%;height:auto}

/* Header */
.site-header{background:var(--white);border-bottom:1px solid var(--gray-300);position:sticky;top:0;z-index:100}
.site-header .container{display:flex;align-items:center;justify-content:space-between;height:60px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--green-900);font-weight:700;font-size:1.1rem}
.logo svg{flex-shrink:0}
.site-nav{display:flex;gap:24px}
.site-nav a{text-decoration:none;color:var(--gray-700);font-size:.9rem;font-weight:500;transition:color .15s}
.site-nav a:hover,.site-nav a:focus{color:var(--green-700)}

/* Hero */
.hero{background:linear-gradient(135deg,var(--green-100) 0%,var(--white) 100%);padding:60px 0 48px}
.hero h1{font-size:clamp(1.8rem,4vw,2.8rem);line-height:1.2;color:var(--green-900);max-width:640px}
.hero-sub{font-size:1.1rem;color:var(--gray-700);max-width:560px;margin-top:12px}
.hero-actions{display:flex;gap:12px;margin-top:24px;flex-wrap:wrap}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 20px;border-radius:var(--radius-sm);font-size:.95rem;font-weight:600;text-decoration:none;cursor:pointer;border:2px solid transparent;transition:all .15s;font-family:var(--font)}
.btn-primary{background:var(--green-700);color:var(--white);border-color:var(--green-700)}
.btn-primary:hover,.btn-primary:focus{background:var(--green-900);border-color:var(--green-900)}
.btn-ghost{background:transparent;color:var(--green-700);border-color:var(--green-300)}
.btn-ghost:hover,.btn-ghost:focus{border-color:var(--green-700);background:var(--green-100)}
.btn-danger{background:transparent;color:var(--red-500);border-color:var(--red-500)}
.btn-danger:hover,.btn-danger:focus{background:var(--red-100)}
.btn-sm{padding:6px 14px;font-size:.85rem}

/* Cards */
.card{background:var(--white);border:1px solid var(--gray-300);border-radius:var(--radius);padding:24px;margin-bottom:20px;box-shadow:var(--shadow)}
.card h2{font-size:1.2rem;color:var(--green-900);margin-bottom:12px}
.card h3{font-size:1.05rem;color:var(--green-900);margin-bottom:8px}
.card-desc{color:var(--gray-500);font-size:.9rem;margin-bottom:16px}

/* Forms */
.form-row{margin-bottom:16px}
.form-row label{display:block;font-weight:600;font-size:.9rem;margin-bottom:4px;color:var(--gray-700)}
.form-row input,.form-row select{width:100%;padding:10px 14px;border:1px solid var(--gray-300);border-radius:var(--radius-sm);font-size:1rem;font-family:var(--font);background:var(--white);transition:border-color .15s}
.form-row input:focus,.form-row select:focus{outline:none;border-color:var(--green-500);box-shadow:0 0 0 3px rgba(64,145,108,.15)}
.form-hint{font-size:.8rem;color:var(--gray-500);margin-top:6px}

/* Checker layout */
.checker-section{padding:40px 0}
.checker-layout{display:grid;grid-template-columns:1fr 300px;gap:24px;align-items:start}
.checker-side{position:sticky;top:80px}
.side-card{padding:16px;font-size:.9rem}
.side-card ol,.side-card ul{padding-left:20px;margin-top:8px}
.side-card li{margin-bottom:6px}
.side-note{margin-top:12px;padding-top:12px;border-top:1px solid var(--gray-300);font-size:.8rem;color:var(--gray-500)}
.check-list{list-style:none;padding-left:0}
.check-list li::before{content:'✓ ';color:var(--green-500);font-weight:700}

/* Med input */
.med-input-row{display:flex;gap:8px;margin-bottom:8px}
.med-input-row input{flex:1}

/* Preset chips */
.preset-chips{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:12px 0}
.preset-label{font-size:.85rem;color:var(--gray-500);font-weight:600}
.chip{display:inline-flex;align-items:center;padding:4px 12px;border-radius:20px;border:1px solid var(--green-300);background:var(--green-100);color:var(--green-700);font-size:.8rem;font-weight:600;cursor:pointer;font-family:var(--font);transition:all .15s}
.chip:hover,.chip:focus{background:var(--green-300)}

/* Med list */
.med-list{list-style:none;padding:0;margin:12px 0 0}
.med-list li{display:flex;align-items:center;justify-content:space-between;padding:8px 12px;background:var(--gray-100);border-radius:var(--radius-sm);margin-bottom:6px;font-size:.9rem}
.med-list li .med-name{flex:1}
.med-list li .med-remove{background:none;border:none;color:var(--gray-500);cursor:pointer;font-size:1.2rem;padding:0 4px;line-height:1;transition:color .15s}
.med-list li .med-remove:hover,.med-list li .med-remove:focus{color:var(--red-500)}

/* Results */
.results-content{margin-top:12px}
.result-item{padding:16px;border-radius:var(--radius-sm);margin-bottom:12px;border-left:4px solid}
.result-item.severe{background:var(--red-100);border-left-color:var(--red-500)}
.result-item.moderate{background:#FFF8E1;border-left-color:var(--amber-500)}
.result-item.low{background:var(--green-100);border-left-color:var(--green-500)}
.result-item.info{background:var(--gray-100);border-left-color:var(--gray-500)}
.result-item h4{font-size:.95rem;margin-bottom:4px}
.result-item p{font-size:.85rem;color:var(--gray-700)}
.result-item .result-vet-tip{margin-top:8px;font-size:.85rem;font-style:italic;color:var(--gray-700)}
.result-item .result-vet-tip::before{content:'Ask your vet: ';font-style:normal;font-weight:600}

.empty-state{text-align:center;padding:32px 16px;color:var(--gray-500)}
.empty-state svg{margin-bottom:12px}

.results-actions{display:flex;gap:8px;margin-top:12px}

/* Examples */
.examples-section{padding:48px 0;background:var(--gray-100)}
.section-desc{color:var(--gray-500);max-width:640px;margin-bottom:24px}
.scenario-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px}
.scenario-card{background:var(--white);border:1px solid var(--gray-300);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}
.scenario-card h3{font-size:1rem;color:var(--green-900);margin-bottom:8px}
.scenario-card p{font-size:.9rem;color:var(--gray-700);margin-bottom:12px}

/* Mistakes */
.mistakes-section{padding:48px 0}
.mistake-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px;margin-top:24px}
.mistake-card{background:var(--white);border:1px solid var(--gray-300);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);border-top:4px solid var(--amber-500)}
.mistake-card h3{font-size:1rem;color:var(--green-900);margin-bottom:8px}
.mistake-card p{font-size:.9rem;color:var(--gray-700)}

/* Vet sheet */
.vet-sheet-section{padding:48px 0;background:var(--gray-100)}
.vet-sheet-card{max-width:720px}
.vet-sheet-header{display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px;padding-bottom:16px;border-bottom:1px solid var(--gray-300);margin-bottom:16px;font-size:.9rem}
.vet-sheet-meds{margin-bottom:16px;font-size:.9rem}
.vet-sheet-meds ul{padding-left:20px}
.vet-sheet-meds li{margin-bottom:4px}
.vet-sheet-questions{margin-bottom:20px}
.vet-sheet-questions h3{font-size:1rem;margin-bottom:8px}
.vet-sheet-questions ol{padding-left:20px}
.vet-sheet-questions li{margin-bottom:6px;font-size:.9rem}

/* Assumptions */
.assumptions-section{padding:48px 0}
.assumptions-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px;margin-top:24px}
.assumptions-grid h3{font-size:1rem;color:var(--green-900);margin-bottom:8px}
.assumptions-grid ul{padding-left:20px}
.assumptions-grid li{margin-bottom:6px;font-size:.9rem;color:var(--gray-700)}

/* Footer */
.site-footer{background:var(--green-900);color:var(--white);padding:40px 0 24px;font-size:.85rem}
.footer-top{display:flex;justify-content:space-between;align-items:flex-start;flex-wrap:wrap;gap:20px;margin-bottom:20px}
.footer-nav{display:flex;gap:20px;flex-wrap:wrap}
.footer-nav a{color:var(--green-300);text-decoration:none;transition:color .15s}
.footer-nav a:hover,.footer-nav a:focus{color:var(--white)}
.footer-disclaimer{color:var(--green-300);font-size:.8rem;padding-top:16px;border-top:1px solid rgba(255,255,255,.15)}

.muted{color:var(--gray-500)}

/* Responsive */
@media(max-width:860px){
  .checker-layout{grid-template-columns:1fr}
  .checker-side{position:static;display:grid;grid-template-columns:1fr 1fr;gap:16px}
}
@media(max-width:640px){
  .site-header .container{flex-direction:column;height:auto;padding:12px 20px;gap:8px}
  .site-nav{flex-wrap:wrap;justify-content:center;gap:12px}
  .hero{padding:40px 0 32px}
  .assumptions-grid{grid-template-columns:1fr}
  .checker-side{grid-template-columns:1fr}
  .scenario-grid,.mistake-grid{grid-template-columns:1fr}
  .vet-sheet-header{flex-direction:column}
}

/* Print */
@media print{
  .site-header,.site-footer,.hero,.examples-section,.mistakes-section,.assumptions-section,.checker-side,.preset-chips,.med-input-row,.results-actions,.btn,.chip,.vet-sheet-section .btn,.vet-sheet-section .section-desc{display:none!important}
  .checker-section{padding:0}
  .card{border:none;box-shadow:none;padding:0;margin-bottom:16px}
  .vet-sheet-header,.vet-sheet-meds,.vet-sheet-questions{display:block!important}
  body{font-size:12pt}
  .results-content{display:block!important}
}

/* Focus visible */
:focus-visible{outline:3px solid var(--green-500);outline-offset:2px;border-radius:4px}

/* Reduced motion */
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition-duration:0s!important}
}



/* Factory-injected deployment helpers. The AI owns the site design above this block. */
.ad-unit {
  width: min(100%, 720px);
  min-height: 120px;
  margin: 24px auto;
  display: block;
}

.legal-page {
  width: min(900px, calc(100% - 32px));
  margin: 40px auto;
}

.factory-fallback-nav {
  width: min(900px, calc(100% - 32px));
  margin: 24px auto 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  align-items: center;
  font-size: 0.95rem;
}

.factory-fallback-nav a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}