/* Pet First Aid UK — utilitarian accessible CSS */
:root {
  --c-bg: #ffffff;
  --c-text: #1a1a1a;
  --c-text-soft: #555;
  --c-border: #e0e0e0;
  --c-link: #1f5dd3;
  --c-link-hover: #143f96;

  --c-emergency: #c62828;
  --c-emergency-bg: #fee8e7;
  --c-urgent: #e8650b;
  --c-urgent-bg: #fff3e6;
  --c-monitor: #2e7d32;
  --c-monitor-bg: #e8f5e9;

  --c-warn: #c62828;
  --c-warn-bg: #fee8e7;
  --c-info: #0b5394;
  --c-info-bg: #e8f1fa;

  --max-w: 720px;
  --max-w-wide: 1080px;

  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2.5rem;
  --space-xxl: 4rem;

  --r: 6px;
  --r-lg: 12px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --c-bg: #121212;
    --c-text: #f0f0f0;
    --c-text-soft: #aaa;
    --c-border: #303030;
    --c-link: #6ea3ff;
    --c-link-hover: #9bbeff;
    --c-emergency-bg: #3a1212;
    --c-urgent-bg: #3a2510;
    --c-monitor-bg: #14301a;
    --c-warn-bg: #3a1212;
    --c-info-bg: #102030;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  color: var(--c-text);
  background: var(--c-bg);
  margin: 0;
  padding: 0;
  padding-bottom: 60px; /* space for mobile action bar */
}

@media (min-width: 768px) {
  body { padding-bottom: 0; }
}

a { color: var(--c-link); text-decoration: underline; text-underline-offset: 2px; }
a:hover { color: var(--c-link-hover); }
a:focus { outline: 2px solid var(--c-link); outline-offset: 2px; }

h1, h2, h3 {
  line-height: 1.25;
  margin-top: var(--space-xl);
  margin-bottom: var(--space-md);
  font-weight: 700;
  letter-spacing: -0.01em;
}
h1 { font-size: 1.85rem; margin-top: var(--space-md); }
h2 { font-size: 1.4rem; }
h3 { font-size: 1.15rem; }
@media (min-width: 768px) {
  h1 { font-size: 2.4rem; }
  h2 { font-size: 1.65rem; }
}

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* Emergency bar — sticky red top bar */
.emergency-bar {
  background: var(--c-emergency);
  color: white;
  font-size: 0.95rem;
  padding: var(--space-sm) 0;
  position: sticky;
  top: 0;
  z-index: 50;
}
.emergency-bar a { color: white; font-weight: 700; text-decoration: underline; }
.emergency-bar a:hover { color: #ffe0e0; }
.emergency-bar .container { display: flex; gap: 0.75rem; flex-wrap: wrap; align-items: center; }
.emergency-label { font-weight: 700; }
.emergency-text { font-size: 0.92rem; }

/* Site header */
.site-header {
  border-bottom: 1px solid var(--c-border);
  background: var(--c-bg);
  padding: var(--space-md) 0;
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-md);
}
.brand { display: flex; align-items: center; gap: 0.5rem; text-decoration: none; color: var(--c-emergency); }
.brand-icon { display: inline-flex; }
.brand-text { font-weight: 800; font-size: 1.15rem; color: var(--c-text); letter-spacing: -0.01em; }
.main-nav { display: flex; gap: var(--space-md); flex-wrap: wrap; }
.main-nav a { color: var(--c-text); text-decoration: none; font-weight: 500; font-size: 0.95rem; }
.main-nav a:hover { color: var(--c-link); }
.nav-emergency { color: var(--c-emergency); font-weight: 700; }

/* Breadcrumbs */
.breadcrumbs {
  font-size: 0.85rem;
  color: var(--c-text-soft);
  padding: var(--space-md) 0 0;
}
.breadcrumbs ol { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 0.4rem; }
.breadcrumbs li:not(:last-child)::after { content: "›"; margin-left: 0.4rem; color: var(--c-text-soft); }
.breadcrumbs a { color: var(--c-text-soft); }
.breadcrumbs [aria-current="page"] { color: var(--c-text); }

/* Hero (homepage) */
.hero { padding: var(--space-xl) 0; text-align: center; }
.hero h1 { margin-top: 0; }
.hero-sub { font-size: 1.1rem; color: var(--c-text-soft); max-width: 600px; margin: 0 auto var(--space-lg); }
.hero-search { position: relative; max-width: 500px; margin: 0 auto; }
.hero-search input {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  border: 2px solid var(--c-border);
  border-radius: var(--r);
  background: var(--c-bg);
  color: var(--c-text);
}
.hero-search input:focus { outline: none; border-color: var(--c-link); }
.search-results {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--r);
  list-style: none;
  margin: 0;
  padding: 0;
  text-align: left;
  z-index: 10;
  max-height: 60vh;
  overflow-y: auto;
}
.search-results:empty { display: none; }
.search-results li { border-bottom: 1px solid var(--c-border); }
.search-results li:last-child { border-bottom: none; }
.search-results a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1rem;
  text-decoration: none;
  color: var(--c-text);
  gap: 0.5rem;
}
.search-results a:hover { background: var(--c-info-bg); }
.search-results .t-emergency { color: var(--c-emergency); font-size: 0.75rem; font-weight: 700; text-transform: uppercase; }
.search-results .t-urgent_today { color: var(--c-urgent); font-size: 0.75rem; font-weight: 700; text-transform: uppercase; }
.search-results .t-monitor { color: var(--c-monitor); font-size: 0.75rem; font-weight: 700; text-transform: uppercase; }

/* Seasonal banner */
.seasonal-banner {
  background: var(--c-info-bg);
  border-left: 4px solid var(--c-info);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--r);
  margin: var(--space-lg) 0;
}
.seasonal-banner h2 { margin-top: 0; }
.btn {
  display: inline-block;
  background: var(--c-info);
  color: white;
  padding: 0.6rem 1.2rem;
  border-radius: var(--r);
  text-decoration: none;
  font-weight: 600;
  margin-top: var(--space-sm);
}
.btn:hover { background: var(--c-link-hover); color: white; }

/* Quick emergency steps on homepage */
.quick-emergency {
  background: var(--c-emergency-bg);
  border: 2px solid var(--c-emergency);
  border-radius: var(--r-lg);
  padding: var(--space-lg);
  margin: var(--space-lg) 0;
}
.quick-emergency h2 { margin-top: 0; color: var(--c-emergency); }
.emergency-steps { padding-left: 1.2em; }
.emergency-steps li { margin-bottom: var(--space-sm); }

/* Categories grid */
.categories-grid { padding: var(--space-xl) 0; }
.grid {
  display: grid;
  gap: var(--space-md);
  grid-template-columns: 1fr;
}
@media (min-width: 600px) {
  .grid { grid-template-columns: repeat(2, 1fr); }
}
.category-card {
  display: block;
  padding: var(--space-lg);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  text-decoration: none;
  color: var(--c-text);
  transition: border-color 0.15s, transform 0.15s;
}
.category-card:hover {
  border-color: var(--c-link);
  transform: translateY(-2px);
}
.category-card h3 { margin-top: 0; color: var(--c-link); }
.card-arrow { display: inline-block; margin-top: var(--space-sm); color: var(--c-link); font-weight: 600; }

.about-strip { padding: var(--space-xl) 0; border-top: 1px solid var(--c-border); }

/* Entry page */
.entry-header { margin-bottom: var(--space-lg); }
.triage {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.4rem 0.8rem;
  border-radius: var(--r);
  margin-bottom: var(--space-md);
}
.triage-emergency { background: var(--c-emergency); color: white; }
.triage-urgent_today { background: var(--c-urgent); color: white; }
.triage-monitor { background: var(--c-monitor); color: white; }
.time-critical {
  font-weight: 600;
  background: rgba(255,255,255,0.25);
  padding: 0.15rem 0.5rem;
  border-radius: var(--r);
  font-size: 0.8rem;
  text-transform: none;
  letter-spacing: 0;
}
.headline-action {
  font-size: 1.15rem;
  font-weight: 500;
  line-height: 1.45;
  padding: var(--space-md) var(--space-md);
  background: var(--c-info-bg);
  border-left: 4px solid var(--c-info);
  margin: var(--space-md) 0;
  border-radius: var(--r);
}
.species-tags { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-top: var(--space-sm); }
.species-tag {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  background: var(--c-border);
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
}

/* Quick reference panel — 60 seconds box */
.quick-ref {
  background: var(--c-info-bg);
  border: 2px solid var(--c-info);
  border-radius: var(--r-lg);
  padding: var(--space-md) var(--space-lg);
  margin: var(--space-lg) 0;
}
.quick-ref-label {
  font-weight: 800;
  text-transform: uppercase;
  font-size: 0.85rem;
  color: var(--c-info);
  letter-spacing: 0.05em;
  margin: 0 0 var(--space-sm);
}
.quick-ref ol { margin: 0; padding-left: 1.4em; }
.quick-ref li { margin-bottom: 0.4rem; font-weight: 500; }

/* Section styling */
.entry section { margin: var(--space-xl) 0; }
.entry h2 {
  border-bottom: 2px solid var(--c-border);
  padding-bottom: var(--space-sm);
}
.entry ul, .entry ol { padding-left: 1.4em; margin: var(--space-md) 0; }
.entry li { margin-bottom: var(--space-sm); }

.signs-list li, .steps-list li {
  margin-bottom: var(--space-md);
  line-height: 1.55;
}

/* Warning box (Do NOT) */
.warning-box {
  background: var(--c-warn-bg);
  border-left: 4px solid var(--c-warn);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--r);
}
.warning-box h2 { color: var(--c-warn); border-bottom: none; margin-top: 0; padding-bottom: 0; }
.warning-list li::marker { color: var(--c-warn); content: "✕  "; }

/* Escalation box */
.escalation-box {
  background: var(--c-emergency-bg);
  border-left: 4px solid var(--c-emergency);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--r);
}
.escalation-box h2 { color: var(--c-emergency); border-bottom: none; margin-top: 0; padding-bottom: 0; }

/* FAQ */
.faq {
  background: var(--c-info-bg);
  border-radius: var(--r);
  margin-bottom: var(--space-sm);
  padding: 0.75rem var(--space-md);
}
.faq summary {
  cursor: pointer;
  font-weight: 600;
  list-style: none;
  position: relative;
  padding-right: 1.5rem;
}
.faq summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 0;
  font-size: 1.2rem;
  font-weight: 700;
}
.faq[open] summary::after { content: "−"; }
.faq summary::-webkit-details-marker { display: none; }
.faq p { margin: var(--space-sm) 0 0; }

/* Related */
.related-list { list-style: none; padding: 0; }
.related-list li {
  border-bottom: 1px solid var(--c-border);
  padding: var(--space-sm) 0;
}
.related-list li:last-child { border-bottom: none; }

/* Entry footer */
.entry-footer {
  margin-top: var(--space-xxl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--c-border);
  font-size: 0.92rem;
  color: var(--c-text-soft);
}
.attribution { font-style: italic; }
.last-reviewed { font-size: 0.85rem; }
.sources h3 { font-size: 0.95rem; margin-top: var(--space-md); }
.sources ul { padding-left: 1.2em; font-size: 0.88rem; }
.sources a { word-break: break-word; }

/* Category page */
.category-header { padding: var(--space-md) 0; }
.entry-list { margin-bottom: var(--space-xl); }
.triage-section {
  margin-top: var(--space-xl);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--r);
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 700;
  border: none;
}
.triage-section.triage-emergency { background: var(--c-emergency-bg); color: var(--c-emergency); }
.triage-section.triage-urgent_today { background: var(--c-urgent-bg); color: var(--c-urgent); }
.triage-section.triage-monitor { background: var(--c-monitor-bg); color: var(--c-monitor); }

.entry-cards {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: var(--space-md);
}
@media (min-width: 600px) {
  .entry-cards { grid-template-columns: repeat(2, 1fr); }
}
.entry-card {
  display: block;
  padding: var(--space-md);
  border: 1px solid var(--c-border);
  border-radius: var(--r);
  text-decoration: none;
  color: var(--c-text);
  height: 100%;
  transition: border-color 0.15s;
}
.entry-card:hover { border-color: var(--c-link); }
.entry-card h3 { margin: var(--space-sm) 0; font-size: 1.05rem; color: var(--c-link); }
.entry-card p { font-size: 0.9rem; color: var(--c-text-soft); margin: 0; line-height: 1.5; }
.entry-card-species { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--c-text-soft); }
.entry-card-species span { margin-right: 0.4rem; }
.sp-dog::before { content: "● "; color: #5a3a1a; }
.sp-cat::before { content: "● "; color: #5a1a3a; }

/* Static pages */
.static-page { max-width: 680px; margin: 0 auto; padding: var(--space-md) 0 var(--space-xxl); }
.static-page p { line-height: 1.65; }
.static-page ul li { margin-bottom: 0.4rem; }
.lede { font-size: 1.1rem; color: var(--c-text-soft); }

/* Emergency page contact blocks */
.contact-block {
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: var(--space-lg);
  margin: var(--space-md) 0;
}
.contact-block.contact-poison {
  border-color: var(--c-emergency);
  background: var(--c-emergency-bg);
}
.contact-block h2 { margin-top: 0; }
.contact-number {
  font-size: 1.6rem;
  font-weight: 800;
  margin: var(--space-sm) 0;
}

/* Mobile sticky action bar */
.mobile-action-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  background: var(--c-bg);
  border-top: 1px solid var(--c-border);
  z-index: 40;
  box-shadow: 0 -2px 8px rgba(0,0,0,0.1);
}
@media (min-width: 768px) {
  .mobile-action-bar { display: none; }
}
.mab-btn {
  flex: 1;
  padding: 0.7rem 0.5rem;
  text-align: center;
  text-decoration: none;
  font-size: 0.78rem;
  line-height: 1.25;
  font-weight: 600;
  border: none;
}
.mab-btn strong { display: block; font-size: 0.78rem; }
.mab-btn span { font-size: 0.95rem; font-weight: 700; }
.mab-poison { background: var(--c-emergency); color: white; }
.mab-emergency { background: var(--c-info); color: white; }

/* Footer */
.site-footer {
  background: var(--c-info-bg);
  margin-top: var(--space-xxl);
  padding: var(--space-xl) 0;
  font-size: 0.92rem;
}
.footer-grid {
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: 1fr;
  margin-bottom: var(--space-lg);
}
@media (min-width: 600px) {
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 900px) {
  .footer-grid { grid-template-columns: repeat(4, 1fr); }
}
.footer-col h3 { margin-top: 0; font-size: 1rem; }
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { margin-bottom: 0.4rem; }
.footer-credit { font-size: 0.85rem; color: var(--c-text-soft); border-top: 1px solid var(--c-border); padding-top: var(--space-md); margin-top: var(--space-md); }
.footer-copyright { font-size: 0.85rem; color: var(--c-text-soft); margin: 0; }

/* Print styles */
@media print {
  .emergency-bar, .site-header, .site-footer, .mobile-action-bar, .breadcrumbs { display: none; }
  body { font-size: 11pt; padding: 0; }
  a { color: inherit; text-decoration: none; }
  a[href]:after { content: " (" attr(href) ")"; font-size: 9pt; color: #555; }
  .container { max-width: none; padding: 0; }
}