:root {
  --muted: #486279;
}
body {
  overflow-wrap: anywhere;
}
button,
input,
select {
  font: inherit;
}
button,
a,
input,
select {
  touch-action: manipulation;
}
button,
input,
select {
  min-height: 44px;
}
button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
summary:focus-visible {
  outline: 3px solid #176b87;
  outline-offset: 4px;
}
input:focus-visible,
select:focus-visible {
  outline-offset: -3px;
}
[hidden] {
  display: none !important;
}
.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin: 0 0 24px;
}
.site-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: #0f536c;
  font-weight: 750;
}
.skip-link {
  position: absolute;
  top: -100px;
  left: 12px;
  background: white;
  padding: 12px;
  z-index: 10;
}
.skip-link:focus {
  top: 8px;
}
.educational {
  padding: 16px;
  border: 1px solid #d9bd83;
  border-radius: 14px;
  background: #fffaf0;
  color: #634918;
  margin: 18px 0;
}
.educational p + p {
  margin-top: 8px;
}
.tabs {
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
}
.input select {
  width: auto;
  min-width: 90px;
  border-left: 1px solid #d9e2ec;
}
.result {
  overflow-wrap: anywhere;
}
.result dl {
  display: grid;
  gap: 6px;
}
.result dt {
  font-weight: 800;
  color: #102a43;
  margin-top: 8px;
}
.result dd {
  margin: 0;
}
.result .answer {
  font-size: 1.6rem;
}
.result.error {
  color: #9b1c14;
}
.training-card,
.progress-panel,
.filters,
.about-card {
  background: #fff;
  border: 1px solid #d9e2ec;
  border-radius: 18px;
  padding: 24px;
  margin: 18px 0;
}
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}
.filters > div {
  flex: 1;
  min-width: 180px;
}
.filters label,
.training-card label {
  display: block;
  font-weight: 750;
  margin: 10px 0 6px;
}
.filters select,
.training-card input,
.training-card select {
  width: 100%;
  padding: 12px;
  border: 1px solid #9badbc;
  border-radius: 10px;
  background: white;
  color: #102a43;
}
.training-card h2 {
  font-size: 1.25rem;
  margin: 14px 0;
}
.training-card .question {
  font-weight: 600;
}
.training-card .actions {
  margin: 20px 0 0;
}
.training-card .reveal {
  margin: 16px 0 0;
}
.training-card .answer-field {
  max-width: 420px;
}
.training-card fieldset {
  border: 0;
  margin: 16px 0;
}
.training-card legend {
  font-weight: 750;
}
.training-card .choice {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px;
  border: 1px solid #d9e2ec;
  border-radius: 10px;
}
.choice input {
  width: 22px;
  flex: 0 0 22px;
}
.training-card .feedback {
  margin-top: 16px;
  padding: 14px;
  background: #edf8f5;
  border-radius: 10px;
  color: #164e3c;
}
.training-card .feedback.error {
  background: #fff1f0;
  color: #9b1c14;
}
.meta {
  color: #486279;
  font-size: 0.9rem;
}
.progress-summary {
  font-size: 1.05rem;
  font-weight: 750;
}
.progress-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 20px;
  margin: 16px 0;
}
.progress-grid ul {
  padding-left: 20px;
}
.progress-panel summary {
  cursor: pointer;
  min-height: 44px;
  padding: 10px 0;
}
.training-card button:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}
.about-card h2 {
  margin: 20px 0 8px;
}
.about-card ul {
  padding-left: 22px;
}
.about-card p {
  margin: 10px 0;
}
.rounding {
  font-size: 0.88rem;
  color: #486279;
  margin-top: 10px;
}
.drug-image {
  max-width: 100%;
}
.noscript {
  padding: 24px;
  background: #fffaf0;
}
.progress-panel button {
  padding: 10px 16px;
  border-radius: 10px;
  border: 1px solid #9badbc;
  background: #fff;
  color: #102a43;
}
@media (max-width: 600px) {
  header,
  main {
    padding-left: 16px;
    padding-right: 16px;
  }
  .training-card,
  .progress-panel,
  .filters,
  .about-card {
    padding: 18px 14px;
  }
  .filters > div {
    min-width: 0;
    flex-basis: 100%;
  }
  .training-card .actions {
    display: flex;
    flex-direction: column;
  }
  .training-card .actions button {
    width: 100%;
  }
  .site-nav {
    gap: 4px 14px;
  }
  .tabs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .fields {
    grid-template-columns: minmax(0, 1fr);
  }
  .input {
    min-width: 0;
  }
  .input input {
    width: 100%;
    min-width: 0;
  }
  .input select {
    max-width: 120px;
  }
  .hero h1 {
    font-size: 2.5rem;
  }
  .brand {
    flex-shrink: 0;
  }
}
@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}
/* Flashcards remain scrollable at small heights and at text zoom. */
body.flashcards {
  height: auto;
  min-height: 100vh;
  overflow: visible;
  display: block;
}
body.flashcards main {
  display: block;
  padding-bottom: 40px;
}
body.flashcards .card-button,
body.flashcards .card-inner {
  min-height: 440px;
}
body.flashcards .toolbar,
body.flashcards .stats {
  display: flex;
  flex-wrap: wrap;
}
body.flashcards .lead,
body.flashcards footer {
  display: block;
}
body.flashcards .face {
  position: static;
  min-height: 440px;
  gap: 20px;
  transform: none;
  backface-visibility: visible;
}
body.flashcards .back-face {
  display: none;
}
body.flashcards .flipped .front-face {
  display: none;
}
body.flashcards .flipped .back-face {
  display: flex;
}
body.flashcards .flipped .card-inner {
  transform: none;
}
.info h2 {
  margin-bottom: 13px;
  color: var(--ink);
  font-size: 1rem;
}