/* Canning Yield Calculator — styles.css */
:root {
  --green-900: #1b4332;
  --green-700: #2d6a4f;
  --green-500: #52b788;
  --green-300: #95d5b2;
  --green-100: #d8f3dc;
  --amber-500: #e09f3e;
  --amber-100: #fefae0;
  --slate-900: #0f172a;
  --slate-700: #334155;
  --slate-500: #64748b;
  --slate-300: #cbd5e1;
  --slate-100: #f1f5f9;
  --white: #ffffff;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(0,0,0,.08), 0 4px 12px rgba(0,0,0,.05);
  --font: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; scroll-behavior: smooth; }
body { font-family: var(--font); color: var(--slate-900); background: var(--white); line-height: 1.6; }

.container { max-width: 1120px; margin: 0 auto; padding: 0 1.5rem; }

/* Header */
.site-header { background: var(--green-900); color: var(--white); padding: .75rem 0; position: sticky; top: 0; z-index: 100; }
.site-header .container { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: .5rem; }
.logo { display: flex; align-items: center; gap: .5rem; color: var(--white); text-decoration: none; font-weight: 700; font-size: 1.1rem; }
.site-nav { display: flex; gap: 1.25rem; }
.site-nav a { color: var(--green-300); text-decoration: none; font-size: .9rem; font-weight: 500; }
.site-nav a:hover, .site-nav a:focus { color: var(--white); text-decoration: underline; }

/* Hero */
.hero { background: linear-gradient(135deg, var(--green-100) 0%, var(--amber-100) 100%); padding: 3.5rem 0 3rem; }
.hero h1 { font-size: clamp(1.6rem, 4vw, 2.4rem); color: var(--green-900); line-height: 1.25; max-width: 600px; }
.hero-sub { font-size: 1.05rem; color: var(--slate-700); margin-top: .75rem; max-width: 560px; }

/* Calculator Workspace */
.calculator-workspace { padding: 2.5rem 0; }
.workspace-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: start; }

.panel-inputs, .panel-results { background: var(--white); border: 1px solid var(--slate-300); border-radius: var(--radius); padding: 1.75rem; box-shadow: var(--shadow); }
.panel-inputs h2, .panel-results h2 { font-size: 1.2rem; color: var(--green-900); margin-bottom: 1.25rem; }

.form-group { margin-bottom: 1rem; }
.form-group label { display: block; font-weight: 600; font-size: .85rem; color: var(--slate-700); margin-bottom: .3rem; }
.form-group input, .form-group select { width: 100%; padding: .6rem .75rem; border: 1.5px solid var(--slate-300); border-radius: 8px; font-size: .95rem; font-family: var(--font); color: var(--slate-900); background: var(--white); transition: border-color .15s; }
.form-group input:focus, .form-group select:focus { outline: none; border-color: var(--green-500); box-shadow: 0 0 0 3px rgba(82,183,136,.2); }
.form-group small { display: block; font-size: .78rem; color: var(--slate-500); margin-top: .2rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

.btn-primary { display: inline-block; width: 100%; padding: .75rem 1.5rem; background: var(--green-700); color: var(--white); border: none; border-radius: 8px; font-size: 1rem; font-weight: 600; cursor: pointer; transition: background .15s, transform .1s; }
.btn-primary:hover { background: var(--green-900); }
.btn-primary:active { transform: scale(.98); }
.btn-secondary { display: inline-block; padding: .55rem 1.1rem; background: var(--slate-100); color: var(--slate-700); border: 1.5px solid var(--slate-300); border-radius: 8px; font-size: .85rem; font-weight: 600; cursor: pointer; transition: background .15s; }
.btn-secondary:hover { background: var(--slate-300); }

/* Results */
.empty-state { text-align: center; padding: 2rem 1rem; color: var(--slate-500); }
.empty-state svg { margin-bottom: .75rem; }
.hidden { display: none !important; }

.result-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: .75rem; margin-bottom: 1.5rem; }
.result-card { background: var(--green-100); border-radius: 10px; padding: 1rem; text-align: center; }
.result-label { display: block; font-size: .75rem; color: var(--slate-500); text-transform: uppercase; letter-spacing: .04em; margin-bottom: .25rem; }
.result-value { display: block; font-size: 1.4rem; font-weight: 700; color: var(--green-900); }

.result-details { margin-bottom: 1.25rem; }
.result-details h3 { font-size: .95rem; color: var(--green-900); margin-bottom: .5rem; }
.result-details p { font-size: .9rem; color: var(--slate-700); }

.ingredient-table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.ingredient-table th { text-align: left; padding: .45rem .6rem; background: var(--slate-100); color: var(--slate-700); font-weight: 600; font-size: .8rem; text-transform: uppercase; letter-spacing: .03em; }
.ingredient-table td { padding: .45rem .6rem; border-bottom: 1px solid var(--slate-100); }
.ingredient-table tr:last-child td { border-bottom: none; }

.result-actions { display: flex; gap: .5rem; flex-wrap: wrap; }

/* Saved Batches */
.saved-batches { padding: 2rem 0; background: var(--slate-100); }
.saved-batches h2 { font-size: 1.2rem; color: var(--green-900); margin-bottom: .25rem; }
.section-note { font-size: .85rem; color: var(--slate-500); margin-bottom: 1rem; }
.saved-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1rem; }
.saved-card { background: var(--white); border: 1px solid var(--slate-300); border-radius: var(--radius); padding: 1rem 1.25rem; box-shadow: var(--shadow); }
.saved-card h3 { font-size: .95rem; color: var(--green-900); margin-bottom: .25rem; }
.saved-card p { font-size: .82rem; color: var(--slate-500); margin-bottom: .15rem; }
.saved-card .saved-actions { margin-top: .5rem; display: flex; gap: .5rem; }
.saved-card .btn-sm { padding: .3rem .7rem; font-size: .78rem; }

/* Guide Content */
.guide-content { padding: 3rem 0; }
.guide-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
.guide-block { margin-bottom: 1.5rem; }
.guide-block h2 { font-size: 1.15rem; color: var(--green-900); margin-bottom: .75rem; }
.guide-block p, .guide-block li { font-size: .92rem; color: var(--slate-700); margin-bottom: .5rem; }
.guide-block ul { padding-left: 1.25rem; }
.guide-block li { margin-bottom: .4rem; }

.ref-table { width: 100%; border-collapse: collapse; font-size: .88rem; margin-top: .5rem; }
.ref-table th { text-align: left; padding: .45rem .6rem; background: var(--green-100); color: var(--green-900); font-weight: 600; font-size: .78rem; text-transform: uppercase; letter-spacing: .03em; }
.ref-table td { padding: .45rem .6rem; border-bottom: 1px solid var(--slate-100); }

.faq-list dt { font-weight: 600; font-size: .92rem; color: var(--green-900); margin-top: .75rem; }
.faq-list dd { font-size: .88rem; color: var(--slate-700); margin-top: .2rem; padding-left: .75rem; border-left: 3px solid var(--green-300); }

/* Footer */
.site-footer { background: var(--green-900); color: var(--green-300); padding: 2rem 0 1.5rem; font-size: .85rem; }
.footer-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.footer-grid strong { color: var(--white); display: block; margin-bottom: .4rem; }
.footer-grid a { color: var(--green-300); }
.footer-grid a:hover { color: var(--white); }
.footer-links { list-style: none; padding: 0; }
.footer-links li { margin-bottom: .2rem; }

/* Toast */
.toast { position: fixed; bottom: 1.5rem; right: 1.5rem; background: var(--green-900); color: var(--white); padding: .75rem 1.25rem; border-radius: 8px; font-size: .88rem; box-shadow: var(--shadow); z-index: 200; opacity: 0; transition: opacity .3s; pointer-events: none; }
.toast.show { opacity: 1; }

/* Print */
@media print {
  .site-header, .site-footer, .btn-primary, .btn-secondary, .result-actions, .saved-batches, .hero { display: none !important; }
  .panel-results { border: none; box-shadow: none; }
  .result-cards { grid-template-columns: repeat(3, 1fr); }
}

/* Responsive */
@media (max-width: 860px) {
  .workspace-grid { grid-template-columns: 1fr; }
  .guide-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .result-cards { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px) {
  .form-row { grid-template-columns: 1fr; }
  .result-cards { grid-template-columns: 1fr; }
  .hero { padding: 2rem 0 1.75rem; }
  .hero h1 { font-size: 1.4rem; }
}



/* 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;
}