/* NurseOnShift Design System */.nos-drug-calc-page {

  --teal-50: #f0fdfa;
  --teal-100: #ccfbf1;
  --teal-200: #99f6e4;
  --teal-400: #2dd4bf;
  --teal-500: #14b8a6;
  --teal-600: #0d9488;
  --teal-700: #0f766e;
  --teal-800: #115e59;
  --blue-50: #eff6ff;
  --blue-100: #dbeafe;
  --blue-600: #2563eb;
  --slate-50: #f8fafc;
  --slate-100: #f1f5f9;
  --slate-200: #e2e8f0;
  --slate-300: #cbd5e1;
  --slate-400: #94a3b8;
  --slate-500: #64748b;
  --slate-600: #475569;
  --slate-700: #334155;
  --slate-800: #1e293b;
  --slate-900: #0f172a;
  --green-50: #f0fdf4;
  --green-500: #22c55e;
  --green-600: #16a34a;
  --green-700: #15803d;
  --red-50: #fef2f2;
  --red-500: #ef4444;
  --red-600: #dc2626;
  --amber-50: #fffbeb;
  --amber-500: #f59e0b;
  --amber-600: #d97706;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 8px 30px rgba(15, 23, 42, 0.1);
  --font: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;

}.nos-drug-calc-page *, .nos-drug-calc-page *::before, .nos-drug-calc-page *::after {

  box-sizing: border-box;
  margin: 0;
  padding: 0;

}.nos-drug-calc-page {

  font-size: 16px;
  -webkit-font-smoothing: antialiased;

}.nos-drug-calc-page {

  font-family: var(--font);
  background: linear-gradient(160deg, var(--teal-50) 0%, var(--blue-50) 45%, var(--slate-50) 100%);
  color: var(--slate-800);
  min-height: 100vh;
  line-height: 1.5;

}.nos-drug-calc-page {

  font-family: var(--font);
  color: var(--slate-800);
  background: transparent !important;
  min-height: 0 !important;
  height: auto !important;
  overflow: visible !important;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;

}.nos-drug-calc-page .app {

  min-height: 0 !important;
  height: auto !important;

}.nos-drug-calc-page .app {

  max-width: 960px;
  margin: 0 auto;
  padding: 1.25rem 1rem 2rem;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;

}.nos-drug-calc-page .main {

  flex: 1;
  width: 100%;
  max-width: 920px;

}/* Header */.nos-drug-calc-page .header {

  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  padding: 0.75rem 0 1.5rem;
  gap: 1rem;
  width: 100%;
  position: relative;

}.nos-drug-calc-page .header__stats {

  display: flex;
  gap: 0.5rem;
  position: absolute;
  right: 0;
  top: 0.75rem;

}.nos-drug-calc-page .header__brand {

  display: flex;
  align-items: center;
  gap: 0.875rem;

}.nos-drug-calc-page .logo-wrap {

  width: 48px;
  height: 48px;
  flex-shrink: 0;
  border-radius: 12px;
  overflow: hidden;
  line-height: 0;
  box-shadow: 0 2px 8px rgba(13, 148, 136, 0.18);

}.nos-drug-calc-page .logo {

  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center;

}.nos-drug-calc-page .header__titles {

  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.125rem;

}.nos-drug-calc-page .header__name {

  display: block;
  font-weight: 800;
  font-size: 1.125rem;
  line-height: 1.2;
  color: var(--slate-900);
  letter-spacing: -0.02em;

}.nos-drug-calc-page .header__tag {

  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1.2;
  color: var(--teal-600);
  text-transform: uppercase;
  letter-spacing: 0.06em;

}@media (max-width: 480px) {
.nos-drug-calc-page .logo-wrap {

    width: 42px;
    height: 42px;
    border-radius: 10px;
  
}
}@media (max-width: 640px) {
.nos-drug-calc-page .header__stats {

    position: static;
    width: 100%;
    justify-content: center;
  
}
}.nos-drug-calc-page .stat-pill {

  background: #fff;
  border: 1px solid var(--slate-200);
  border-radius: 999px;
  padding: 0.35rem 0.85rem;
  text-align: center;
  box-shadow: var(--shadow-sm);

}.nos-drug-calc-page .stat-pill__label {

  display: block;
  font-size: 0.625rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--slate-400);

}.nos-drug-calc-page .stat-pill__value {

  display: block;
  font-size: 1rem;
  font-weight: 700;
  color: var(--teal-700);

}/* Screens */.nos-drug-calc-page .screen {

  display: none;
  animation: fadeIn 0.35s ease;
  width: 100%;

}.nos-drug-calc-page .screen--active {

  display: block;

}@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}/* Hero */.nos-drug-calc-page .hero {

  margin-bottom: 1.75rem;
  text-align: center;
  width: 100%;

}.nos-drug-calc-page .hero--compact {

  margin-bottom: 1.25rem;

}.nos-drug-calc-page .eyebrow {

  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--teal-600);
  margin-bottom: 0.5rem;

}.nos-drug-calc-page .hero h1 {

  font-size: clamp(1.75rem, 5vw, 2.25rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--slate-900);
  line-height: 1.15;
  margin-bottom: 0.75rem;

}.nos-drug-calc-page .hero__sub {

  display: block;
  width: 100%;
  max-width: 540px;
  font-size: 1rem;
  color: var(--slate-500);
  line-height: 1.65;
  text-align: center;
  margin-left: auto;
  margin-right: auto;

}/* Panels */.nos-drug-calc-page .panel {

  background: #fff;
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-xl);
  padding: 1.25rem;
  margin-bottom: 1rem;
  box-shadow: var(--shadow-md);
  text-align: center;

}.nos-drug-calc-page .panel__head {

  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;

}.nos-drug-calc-page .panel__head .panel__title {

  margin-bottom: 0;

}.nos-drug-calc-page .panel__title {

  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--slate-400);
  margin-bottom: 1rem;

}/* Type Grid — 5 in one row on desktop */.nos-drug-calc-page .type-grid {

  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.5rem;

}.nos-drug-calc-page .type-card {

  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.15rem;
  padding: 0.85rem 0.35rem 0.65rem;
  background: var(--slate-50);
  border: 2px solid transparent;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: inherit;
  position: relative;
  min-width: 0;

}.nos-drug-calc-page .type-card:hover {

  background: var(--teal-50);
  border-color: var(--teal-200);

}.nos-drug-calc-page .type-card[aria-pressed="true"] {

  background: var(--teal-50);
  border-color: var(--teal-500);
  box-shadow: 0 0 0 3px rgba(20, 184, 166, 0.15);

}.nos-drug-calc-page .type-card__icon {

  font-size: 1.5rem;
  line-height: 1;
  margin-bottom: 0.15rem;

}.nos-drug-calc-page .type-card__name {

  font-size: 0.72rem;
  font-weight: 700;
  color: var(--slate-800);
  line-height: 1.2;

}.nos-drug-calc-page .type-card__desc {

  font-size: 0.6rem;
  color: var(--slate-400);
  font-weight: 500;
  line-height: 1.2;

}/* Learn how */.nos-drug-calc-page .panel--learn {

  text-align: center;

}.nos-drug-calc-page .learn-how__intro {

  font-size: 0.875rem;
  color: var(--slate-500);
  line-height: 1.6;
  max-width: 520px;
  margin: 0 auto 1rem;

}.nos-drug-calc-page .learn-how__detail {

  margin-top: 1rem;
  text-align: left;
  animation: fadeIn 0.3s ease;

}.nos-drug-calc-page .learn-how__toolbar {

  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.75rem;

}.nos-drug-calc-page .learn-how__back {

  margin-bottom: 0;

}.nos-drug-calc-page .learn-how__close {

  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--slate-600);
  font-weight: 600;
  flex-shrink: 0;

}.nos-drug-calc-page .learn-how__close:hover {

  color: var(--teal-700);
  background: var(--teal-50);

}.nos-drug-calc-page .guide-card--inline {

  margin-bottom: 0.75rem;
  padding: 1.25rem;

}.nos-drug-calc-page .guide-section-intro {

  font-size: 0.875rem;
  color: var(--slate-500);
  margin-bottom: 0.75rem;
  line-height: 1.55;

}.nos-drug-calc-page .guide-analogy {

  background: linear-gradient(135deg, var(--amber-50) 0%, #fffbeb 100%);
  border: 1px solid #fde68a;
  border-radius: var(--radius-md);
  padding: 1rem 1.1rem;
  margin-bottom: 1.15rem;

}.nos-drug-calc-page .guide-analogy__label {

  font-size: 0.6875rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--amber-600);
  margin-bottom: 0.4rem;

}.nos-drug-calc-page .guide-analogy p:last-child {

  font-size: 0.9rem;
  color: var(--slate-700);
  line-height: 1.65;
  margin: 0;

}.nos-drug-calc-page .guide-unit-box {

  background: var(--slate-50);
  border: 1px dashed var(--slate-300);
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
  margin-bottom: 1.15rem;

}.nos-drug-calc-page .guide-unit-box__label {

  font-size: 0.6875rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--slate-500);
  margin-bottom: 0.45rem;

}.nos-drug-calc-page .guide-unit-box ul {

  padding-left: 1.1rem;
  margin: 0;

}.nos-drug-calc-page .guide-unit-box li {

  font-size: 0.8125rem;
  color: var(--slate-600);
  margin-bottom: 0.3rem;
  line-height: 1.5;

}.nos-drug-calc-page .guide-example__title {

  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--blue-600);
  margin-bottom: 0.5rem !important;

}.nos-drug-calc-page .guide-example--alt {

  margin-top: 1rem;
  background: var(--teal-50);
  border-left-color: var(--teal-600);

}.nos-drug-calc-page .guide-practice {

  padding-left: 0;
  list-style: none;
  counter-reset: practice;

}.nos-drug-calc-page .guide-practice li {

  counter-increment: practice;
  background: #fff;
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
  margin-bottom: 0.6rem;

}.nos-drug-calc-page .guide-practice li::before {

  content: "Problem " counter(practice);
  display: block;
  font-size: 0.6875rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--teal-600);
  margin-bottom: 0.35rem;

}.nos-drug-calc-page .guide-practice__q {

  font-size: 0.875rem;
  color: var(--slate-800);
  font-weight: 600;
  margin-bottom: 0.5rem;
  line-height: 1.55;

}.nos-drug-calc-page .guide-practice__a {

  font-size: 0.8125rem;
  color: var(--slate-600);
  padding: 0.5rem 0.65rem;
  background: var(--green-50);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--green-500);
  margin: 0;
  line-height: 1.55;

}.nos-drug-calc-page .guide-practice__a::before {

  content: "Answer: ";
  font-weight: 700;
  color: var(--green-700);

}.nos-drug-calc-page .guide-lead {

  font-size: 0.95rem;
  font-weight: 600;
  color: var(--teal-800);
  margin-bottom: 0.65rem;

}.nos-drug-calc-page .guide-formula-note {

  font-size: 0.875rem;
  color: var(--slate-600);
  margin-top: 0.65rem;
  line-height: 1.6;

}.nos-drug-calc-page .guide-subhead {

  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--slate-500);
  margin: 1rem 0 0.5rem;

}.nos-drug-calc-page .guide-bullets, .nos-drug-calc-page .guide-key-terms, .nos-drug-calc-page .guide-walkthrough, .nos-drug-calc-page .guide-mistakes {

  padding-left: 1.25rem;

}.nos-drug-calc-page .guide-bullets li, .nos-drug-calc-page .guide-key-terms li, .nos-drug-calc-page .guide-walkthrough li, .nos-drug-calc-page .guide-mistakes li {

  font-size: 0.875rem;
  color: var(--slate-600);
  margin-bottom: 0.4rem;
  line-height: 1.55;

}.nos-drug-calc-page .guide-key-terms li strong {

  color: var(--slate-800);

}.nos-drug-calc-page .guide-mistakes li {

  list-style: none;
  padding-left: 0;
  margin-left: -1.25rem;
  padding: 0.45rem 0.65rem;
  background: var(--red-50);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--red-500);
  margin-bottom: 0.35rem;

}.nos-drug-calc-page .guide-walkthrough {

  margin-top: 0.25rem;

}.nos-drug-calc-page .guide-walkthrough li {

  color: var(--slate-700);

}.nos-drug-calc-page .guide-section--refs {

  border-top: 1px solid var(--slate-200);
  padding-top: 1rem;
  margin-top: 0.5rem;

}.nos-drug-calc-page .guide-refs {

  padding-left: 1.25rem;
  margin-bottom: 0.75rem;

}.nos-drug-calc-page .guide-refs li {

  font-size: 0.8125rem;
  color: var(--slate-600);
  margin-bottom: 0.5rem;
  line-height: 1.55;

}.nos-drug-calc-page .guide-refs a {

  color: var(--teal-700);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 2px;

}.nos-drug-calc-page .guide-refs a:hover {

  color: var(--teal-800);

}.nos-drug-calc-page .guide-refs-note {

  font-size: 0.75rem;
  color: var(--slate-400);
  font-style: italic;
  line-height: 1.5;

}.nos-drug-calc-page .guide-picker-btn.is-active {

  border-color: var(--teal-500);
  background: var(--teal-50);
  box-shadow: 0 0 0 3px rgba(20, 184, 166, 0.15);

}/* Difficulty */.nos-drug-calc-page .difficulty-row {

  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  justify-content: center;
  max-width: 480px;
  margin: 0 auto;

}.nos-drug-calc-page .diff-btn {

  flex: 1;
  min-width: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: var(--slate-50);
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--slate-600);
  cursor: pointer;
  transition: all 0.2s ease;

}.nos-drug-calc-page .diff-btn:hover {

  background: var(--slate-100);

}.nos-drug-calc-page .diff-btn[aria-pressed="true"] {

  background: #fff;
  border-color: var(--slate-300);
  color: var(--slate-800);
  box-shadow: var(--shadow-sm);

}.nos-drug-calc-page .diff-btn__dot {

  width: 10px;
  height: 10px;
  border-radius: 50%;

}.nos-drug-calc-page .diff-btn__dot--easy {
 background: var(--green-500); 
}.nos-drug-calc-page .diff-btn__dot--medium {
 background: var(--amber-500); 
}.nos-drug-calc-page .diff-btn__dot--hard {
 background: var(--red-500); 
}.nos-drug-calc-page .difficulty-hint {

  margin-top: 0.75rem;
  font-size: 0.8125rem;
  color: var(--slate-400);
  font-style: italic;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;

}.nos-drug-calc-page .action-row {

  text-align: center;
  max-width: 420px;
  margin: 0 auto;

}.nos-drug-calc-page .session-note {

  font-size: 0.75rem;
  color: var(--slate-400);
  margin-top: 0.65rem;

}.nos-drug-calc-page .session-note strong {

  color: var(--teal-700);

}.nos-drug-calc-page .btn--link {

  background: none;
  border: none;
  color: var(--teal-600);
  font-size: 0.75rem;
  font-weight: 700;
  cursor: pointer;
  padding: 0;
  font-family: inherit;

}.nos-drug-calc-page .btn--link:hover {

  color: var(--teal-800);
  text-decoration: underline;

}.nos-drug-calc-page #startBtn {

  width: 100%;
  margin-top: 0;

}/* Progress bar */.nos-drug-calc-page .progress-block {

  background: #fff;
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-lg);
  padding: 1rem 1.15rem;
  margin-bottom: 1rem;
  box-shadow: var(--shadow-sm);
  scroll-margin-top: 5rem;

}.nos-drug-calc-page .progress-block__meta {

  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--slate-500);
  margin-bottom: 0.55rem;

}.nos-drug-calc-page .progress-block__meta span:last-child {

  color: var(--teal-700);

}.nos-drug-calc-page .progress-track {

  height: 10px;
  background: var(--slate-200);
  border-radius: 999px;
  overflow: hidden;

}.nos-drug-calc-page .progress-fill {

  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--teal-600), var(--teal-400));
  border-radius: 999px;
  transition: width 0.35s ease;

}/* Practice Bar */.nos-drug-calc-page .practice-bar {

  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;

}.nos-drug-calc-page .practice-bar__meta {

  display: flex;
  gap: 0.4rem;
  justify-content: center;

}.nos-drug-calc-page .btn {

  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: inherit;
  font-weight: 600;
  font-size: 0.9375rem;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;

}.nos-drug-calc-page .btn--primary {

  background: var(--teal-600);
  color: #fff;
  box-shadow: 0 2px 8px rgba(13, 148, 136, 0.3);

}.nos-drug-calc-page .btn--primary:hover {

  background: var(--teal-700);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(13, 148, 136, 0.35);

}.nos-drug-calc-page .btn--secondary {

  background: var(--slate-100);
  color: var(--slate-700);

}.nos-drug-calc-page .btn--secondary:hover {

  background: var(--slate-200);

}.nos-drug-calc-page .btn--ghost {

  background: transparent;
  color: var(--slate-500);
  padding: 0.5rem 0.75rem;

}.nos-drug-calc-page .btn--ghost:hover {

  background: var(--slate-100);
  color: var(--slate-700);

}.nos-drug-calc-page .btn--sm {

  font-size: 0.8125rem;
  padding: 0.4rem 0.75rem;

}.nos-drug-calc-page .btn--lg {

  width: 100%;
  padding: 1rem 1.5rem;
  font-size: 1rem;
  margin-top: 0.5rem;

}.nos-drug-calc-page .badge {

  display: inline-block;
  padding: 0.25rem 0.65rem;
  background: var(--teal-100);
  color: var(--teal-800);
  font-size: 0.6875rem;
  font-weight: 700;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.04em;

}.nos-drug-calc-page .badge--diff {

  background: var(--slate-100);
  color: var(--slate-600);

}/* Question Card */.nos-drug-calc-page .question-card {

  background: #fff;
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  margin-bottom: 1rem;
  box-shadow: var(--shadow-lg);
  scroll-margin-top: 5rem;
  scroll-margin-bottom: 2rem;

}.nos-drug-calc-page .question-card__header {

  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;

}.nos-drug-calc-page .question-card__label {

  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--teal-600);

}.nos-drug-calc-page .question-card__route {

  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--slate-400);
  background: var(--slate-50);
  padding: 0.2rem 0.6rem;
  border-radius: 999px;

}.nos-drug-calc-page .patient-info {

  background: var(--blue-50);
  border-left: 3px solid var(--blue-600);
  padding: 0.75rem 1rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 0.875rem;
  color: var(--slate-600);
  margin-bottom: 1rem;
  text-align: left;

}.nos-drug-calc-page .question-narrative {

  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: linear-gradient(180deg, #fff 0%, var(--slate-50) 100%);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-lg);
  padding: 1.15rem 1.25rem;
  text-align: left;

}.nos-drug-calc-page .question-narrative__icon {

  flex-shrink: 0;
  width: 72px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);

}.nos-drug-calc-page .question-narrative__text {

  flex: 1;
  min-width: 0;
  margin: 0;
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--slate-800);
  font-weight: 500;
  white-space: normal;

}.nos-drug-calc-page .order-block, .nos-drug-calc-page .available-block {

  margin-bottom: 1rem;
  text-align: left;

}.nos-drug-calc-page .order-block__label, .nos-drug-calc-page .available-block__label {

  display: block;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--slate-400);
  margin-bottom: 0.25rem;

}.nos-drug-calc-page .order-block__text {

  font-size: 1.125rem;
  font-weight: 700;
  color: var(--slate-900);

}.nos-drug-calc-page .available-block__content {

  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--slate-50);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-lg);
  padding: 0.85rem 1rem;

}.nos-drug-calc-page .available-block__visual {

  flex-shrink: 0;
  width: 72px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);

}.nos-drug-calc-page .presentation-icon {

  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;

}.nos-drug-calc-page .presentation-icon svg {

  width: 100%;
  height: 100%;

}.nos-drug-calc-page .available-block__text {

  flex: 1;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--slate-700);
  line-height: 1.45;
  min-width: 0;

}.nos-drug-calc-page .question-prompt {

  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--slate-600);
  padding-top: 0.75rem;
  border-top: 1px solid var(--slate-100);
  text-align: left;

}/* Answer Form */.nos-drug-calc-page .answer-form {

  background: #fff;
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-xl);
  padding: 1.25rem;
  box-shadow: var(--shadow-md);
  text-align: left;

}.nos-drug-calc-page .answer-form__label {

  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--slate-600);
  margin-bottom: 0.5rem;

}.nos-drug-calc-page .answer-form__row {

  display: flex;
  align-items: stretch;
  gap: 0;
  margin-bottom: 1rem;

}.nos-drug-calc-page .answer-input {

  flex: 1;
  font-family: inherit;
  font-size: 1.25rem;
  font-weight: 700;
  padding: 0.85rem 1rem;
  border: 2px solid var(--slate-200);
  border-right: none;
  border-radius: var(--radius-md) 0 0 var(--radius-md);
  color: var(--slate-900);
  outline: none;
  transition: border-color 0.2s;
  min-width: 0;

}.nos-drug-calc-page .answer-input:focus {

  border-color: var(--teal-500);

}.nos-drug-calc-page .answer-unit {

  display: flex;
  align-items: center;
  padding: 0 1rem;
  background: var(--slate-50);
  border: 2px solid var(--slate-200);
  border-left: none;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--slate-500);
  white-space: nowrap;

}.nos-drug-calc-page .answer-form__actions {

  display: flex;
  gap: 0.5rem;

}.nos-drug-calc-page .answer-form__actions .btn {

  flex: 1;
  padding: 0.75rem 1rem;

}/* Feedback */.nos-drug-calc-page .feedback {

  margin-top: 1rem;
  background: #fff;
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-xl);
  padding: 1.25rem;
  box-shadow: var(--shadow-md);
  animation: fadeIn 0.3s ease;
  text-align: left;

}.nos-drug-calc-page .feedback--correct {

  border-color: var(--green-500);
  background: var(--green-50);

}.nos-drug-calc-page .feedback--incorrect {

  border-color: var(--red-500);
  background: var(--red-50);

}.nos-drug-calc-page .feedback--revealed {

  border-color: var(--amber-500);
  background: var(--amber-50);

}.nos-drug-calc-page .feedback__header {

  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1rem;

}.nos-drug-calc-page .feedback__icon {

  font-size: 1.5rem;
  line-height: 1;

}.nos-drug-calc-page .feedback__title {

  font-size: 1rem;
  font-weight: 700;
  color: var(--slate-900);

}.nos-drug-calc-page .feedback__subtitle {

  font-size: 0.8125rem;
  color: var(--slate-500);
  margin-top: 0.15rem;

}.nos-drug-calc-page .solution {

  background: rgba(255, 255, 255, 0.7);
  border-radius: var(--radius-md);
  padding: 1rem;
  margin-bottom: 0.75rem;

}.nos-drug-calc-page .solution__title {

  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--slate-400);
  margin-bottom: 0.75rem;

}.nos-drug-calc-page .solution__steps {

  padding-left: 1.25rem;
  margin-bottom: 0.75rem;

}.nos-drug-calc-page .solution__steps li {

  font-size: 0.875rem;
  color: var(--slate-700);
  margin-bottom: 0.4rem;
  line-height: 1.55;

}.nos-drug-calc-page .solution__answer {

  font-size: 0.9375rem;
  color: var(--slate-700);
  padding-top: 0.5rem;
  border-top: 1px solid var(--slate-200);

}.nos-drug-calc-page .solution__answer strong {

  color: var(--teal-700);
  font-size: 1.0625rem;

}.nos-drug-calc-page .guide-back-top {

  margin-bottom: 0.75rem;

}/* Guide screens */.nos-drug-calc-page .guide-picker {

  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.5rem;
  margin-bottom: 1rem;

}.nos-drug-calc-page .guide-picker-btn {

  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.25rem;
  padding: 1rem 0.5rem;
  background: #fff;
  border: 2px solid var(--slate-200);
  border-radius: var(--radius-lg);
  cursor: pointer;
  font-family: inherit;
  transition: all 0.2s ease;
  box-shadow: var(--shadow-sm);

}.nos-drug-calc-page .guide-picker-btn:hover {

  border-color: var(--teal-400);
  background: var(--teal-50);
  transform: translateY(-2px);

}.nos-drug-calc-page .guide-picker-btn span:first-child {

  font-size: 1.75rem;

}.nos-drug-calc-page .guide-picker-btn strong {

  font-size: 0.72rem;
  color: var(--slate-800);
  line-height: 1.25;

}.nos-drug-calc-page .guide-picker-btn small {

  font-size: 0.6rem;
  color: var(--slate-400);

}.nos-drug-calc-page .guide-card {

  background: #fff;
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  margin-bottom: 1rem;
  box-shadow: var(--shadow-lg);
  text-align: left;

}.nos-drug-calc-page .guide-card__head {

  text-align: center;
  margin-bottom: 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--slate-100);

}.nos-drug-calc-page .guide-card__icon {

  font-size: 2.5rem;
  display: block;
  margin-bottom: 0.5rem;

}.nos-drug-calc-page .guide-card__head h2 {

  font-size: 1.35rem;
  color: var(--slate-900);
  margin-bottom: 0.25rem;

}.nos-drug-calc-page .guide-card__head p {

  color: var(--teal-600);
  font-size: 0.875rem;
  font-weight: 600;

}.nos-drug-calc-page .guide-section {

  margin-bottom: 1.15rem;

}.nos-drug-calc-page .guide-section h3 {

  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--slate-400);
  margin-bottom: 0.5rem;

}.nos-drug-calc-page .guide-section p, .nos-drug-calc-page .guide-section li {

  font-size: 0.9rem;
  color: var(--slate-600);
  line-height: 1.6;

}.nos-drug-calc-page .guide-formula {

  background: var(--teal-50);
  border: 1px solid var(--teal-200);
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--teal-800);
  text-align: center;
  font-family: inherit;

}.nos-drug-calc-page .guide-steps {

  padding-left: 1.25rem;

}.nos-drug-calc-page .guide-steps li {

  margin-bottom: 0.35rem;

}.nos-drug-calc-page .guide-example {

  background: var(--blue-50);
  border-radius: var(--radius-md);
  padding: 1rem;
  border-left: 3px solid var(--blue-600);

}.nos-drug-calc-page .guide-example p {

  margin-bottom: 0.4rem;
  font-size: 0.875rem;

}.nos-drug-calc-page .guide-example p:last-child {

  margin-bottom: 0;
  font-weight: 700;
  color: var(--teal-700);

}.nos-drug-calc-page .guide-tips {

  list-style: none;
  padding: 0;

}.nos-drug-calc-page .guide-tips li {

  padding: 0.5rem 0.65rem;
  background: var(--slate-50);
  border-radius: var(--radius-sm);
  margin-bottom: 0.35rem;
  font-size: 0.85rem;

}.nos-drug-calc-page .guide-tips li::before {

  content: "✓ ";
  color: var(--teal-600);
  font-weight: 700;

}.nos-drug-calc-page .guide-actions {

  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  justify-content: center;

}.nos-drug-calc-page .guide-actions .btn {

  flex: 1;
  min-width: 160px;

}/* Session complete */.nos-drug-calc-page .session-complete {

  background: #fff;
  border: 2px solid var(--teal-200);
  border-radius: var(--radius-xl);
  padding: 2rem 1.5rem;
  text-align: center;
  box-shadow: var(--shadow-lg);
  margin-top: 1rem;

}.nos-drug-calc-page .session-complete__icon {

  font-size: 2.5rem;
  margin-bottom: 0.5rem;

}.nos-drug-calc-page .session-complete__title {

  font-size: 1.35rem;
  color: var(--slate-900);
  margin-bottom: 0.5rem;

}.nos-drug-calc-page .session-complete__score {

  font-size: 1.5rem;
  font-weight: 800;
  color: var(--teal-700);
  margin-bottom: 0.35rem;

}.nos-drug-calc-page .session-complete__sub {

  font-size: 0.9rem;
  color: var(--slate-500);
  margin-bottom: 1.25rem;

}.nos-drug-calc-page .session-complete__actions {

  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  max-width: 320px;
  margin: 0 auto;

}.nos-drug-calc-page .practice-hidden {

  display: none !important;

}/* Footer */.nos-drug-calc-page .footer {

  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--slate-200);

}.nos-drug-calc-page .footer p {

  font-size: 0.6875rem;
  color: var(--slate-400);
  text-align: center;
  line-height: 1.6;

}.nos-drug-calc-page [hidden] {
 display: none !important; 
}/* Responsive */@media (max-width: 768px) {
.nos-drug-calc-page .app {

    padding: 1rem 0.65rem 1.5rem;
  
}.nos-drug-calc-page .hero {

    margin-bottom: 1.35rem;
  
}.nos-drug-calc-page .hero h1 {

    font-size: clamp(1.35rem, 5.5vw, 1.85rem);
  
}.nos-drug-calc-page .hero__sub {

    font-size: 0.875rem;
  
}.nos-drug-calc-page .panel {

    padding: 1rem 0.65rem;
    margin-bottom: 0.85rem;
  
}.nos-drug-calc-page .type-grid {

    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 0.3rem;
  
}.nos-drug-calc-page .type-card {

    padding: 0.55rem 0.12rem 0.45rem;
    min-height: 44px;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
  
}.nos-drug-calc-page .type-card__icon {

    font-size: 1.2rem;
    margin-bottom: 0.05rem;
  
}.nos-drug-calc-page .type-card__name {

    font-size: 0.58rem;
    line-height: 1.15;
    word-break: break-word;
    hyphens: auto;
  
}.nos-drug-calc-page .type-card__desc {

    display: none;
  
}.nos-drug-calc-page .guide-picker {

    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 0.3rem;
  
}.nos-drug-calc-page .guide-picker-btn {

    padding: 0.65rem 0.12rem;
    min-height: 44px;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
  
}.nos-drug-calc-page .guide-picker-btn span:first-child {

    font-size: 1.25rem;
  
}.nos-drug-calc-page .guide-picker-btn strong {

    font-size: 0.54rem;
    line-height: 1.15;
  
}.nos-drug-calc-page .guide-picker-btn small {

    display: none;
  
}.nos-drug-calc-page .difficulty-row {

    flex-direction: row;
    flex-wrap: nowrap;
    max-width: 100%;
    gap: 0.35rem;
  
}.nos-drug-calc-page .diff-btn {

    min-width: 0;
    flex: 1;
    padding: 0.65rem 0.4rem;
    font-size: 0.78rem;
    min-height: 44px;
    touch-action: manipulation;
  
}.nos-drug-calc-page .btn {

    min-height: 44px;
    touch-action: manipulation;
  
}.nos-drug-calc-page .btn--lg {

    width: 100%;
  
}.nos-drug-calc-page .learn-how__toolbar {

    flex-wrap: wrap;
    gap: 0.5rem;
  
}.nos-drug-calc-page .learn-how__close {

    margin-left: auto;
  
}.nos-drug-calc-page .guide-card--inline {

    padding: 1rem 0.85rem;
  
}.nos-drug-calc-page .question-card {

    padding: 1rem 0.85rem;
  
}.nos-drug-calc-page .answer-input {

    font-size: 16px;
    min-height: 44px;
  
}.nos-drug-calc-page .answer-form__row {

    flex-wrap: nowrap;
  
}.nos-drug-calc-page .answer-unit {

    font-size: 0.8125rem;
    padding: 0 0.65rem;
  
}.nos-drug-calc-page .practice-bar {

    flex-wrap: wrap;
    gap: 0.5rem;
  
}.nos-drug-calc-page .session-complete__actions .btn {

    width: 100%;
  
}
}@media (max-width: 480px) {
.nos-drug-calc-page .app {

    padding: 0.85rem 0.5rem 1.25rem;
  
}.nos-drug-calc-page .panel {

    padding: 0.85rem 0.45rem;
    border-radius: var(--radius-lg);
  
}.nos-drug-calc-page .type-grid {

    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 0.22rem;
  
}.nos-drug-calc-page .type-card {

    padding: 0.5rem 0.08rem 0.4rem;
    border-radius: var(--radius-md);
    border-width: 1.5px;
  
}.nos-drug-calc-page .type-card__icon {

    font-size: 1.05rem;
  
}.nos-drug-calc-page .type-card__name {

    font-size: 0.5rem;
    letter-spacing: -0.01em;
  
}.nos-drug-calc-page .guide-picker {

    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 0.22rem;
    overflow: visible;
  
}.nos-drug-calc-page .guide-picker-btn {

    flex: unset;
    min-width: 0;
    width: auto;
    padding: 0.5rem 0.08rem;
  
}.nos-drug-calc-page .guide-picker-btn strong {

    font-size: 0.48rem;
  
}.nos-drug-calc-page .difficulty-row {

    flex-direction: row;
  
}.nos-drug-calc-page .diff-btn {

    width: auto;
    font-size: 0.72rem;
    padding: 0.6rem 0.3rem;
  
}.nos-drug-calc-page .question-narrative {

    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 1rem;
  
}.nos-drug-calc-page .question-narrative__icon {

    width: 80px;
    height: 80px;
  
}.nos-drug-calc-page .question-narrative__text {

    font-size: 1rem;
    line-height: 1.6;
  
}.nos-drug-calc-page .available-block__content {

    flex-direction: column;
    text-align: center;
  
}.nos-drug-calc-page .available-block__visual {

    width: 80px;
    height: 80px;
  
}.nos-drug-calc-page .answer-form__actions {

    flex-direction: column;
  
}.nos-drug-calc-page .answer-form__actions .btn {

    width: 100%;
  
}.nos-drug-calc-page .guide-actions {

    flex-direction: column;
  
}.nos-drug-calc-page .guide-actions .btn {

    width: 100%;
  
}.nos-drug-calc-page .learn-how__back, .nos-drug-calc-page .learn-how__close {

    font-size: 0.8125rem;
    padding: 0.45rem 0.65rem;
  
}
}@media (max-width: 360px) {
.nos-drug-calc-page .type-grid {

    gap: 0.15rem;
  
}.nos-drug-calc-page .type-card__name {

    font-size: 0.46rem;
  
}.nos-drug-calc-page .type-card__icon {

    font-size: 0.95rem;
  
}.nos-drug-calc-page .guide-picker-btn strong {

    font-size: 0.44rem;
  
}
}@media (max-width: 768px) {
@supports (padding: max(0px)) {
.nos-drug-calc-page .app {

      padding-left: max(0.65rem, env(safe-area-inset-left));
      padding-right: max(0.65rem, env(safe-area-inset-right));
      padding-bottom: max(1.5rem, env(safe-area-inset-bottom));
    
}
}
}@media (prefers-reduced-motion: reduce) {
.nos-drug-calc-page *, .nos-drug-calc-page *::before, .nos-drug-calc-page *::after {

    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  
}
}/* ── WordPress embed — block theme overrides ───────────────────── */.nos-drug-calc-page .entry-content .nos-drug-calc-page .hero, .nos-drug-calc-page .wp-block-html .nos-drug-calc-page .hero, .nos-drug-calc-page .hero {

  width: 100%;
  text-align: center !important;

}.nos-drug-calc-page .entry-content .nos-drug-calc-page .hero .eyebrow, .nos-drug-calc-page .entry-content .nos-drug-calc-page .hero h1, .nos-drug-calc-page .entry-content .nos-drug-calc-page .hero__sub, .nos-drug-calc-page .wp-block-html .nos-drug-calc-page .hero .eyebrow, .nos-drug-calc-page .wp-block-html .nos-drug-calc-page .hero h1, .nos-drug-calc-page .wp-block-html .nos-drug-calc-page .hero__sub {

  text-align: center !important;

}.nos-drug-calc-page .hero__sub {

  display: block;
  width: 100%;
  max-width: 540px;
  margin-left: auto !important;
  margin-right: auto !important;

}.nos-drug-calc-page .nosdc-question-box {

  width: 100%;

}.nos-drug-calc-page .question-card__route:empty {

  display: none;

}.nos-drug-calc-page .question-narrative {

  width: 100%;

}.nos-drug-calc-page .question-narrative p, .nos-drug-calc-page .question-narrative__text {

  margin: 0;
  padding: 0;
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--slate-800);
  font-weight: 500;

}.nos-drug-calc-page .question-narrative__icon .presentation-icon {

  width: 64px;
  height: 64px;

}.nos-drug-calc-page .question-narrative__icon .presentation-icon svg {

  width: 100%;
  height: 100%;
  display: block;

}.nos-drug-calc-page .btn, .nos-drug-calc-page .type-card, .nos-drug-calc-page .diff-btn, .nos-drug-calc-page .guide-picker-btn {

  appearance: none;
  -webkit-appearance: none;
  text-transform: none;
  letter-spacing: normal;
  font-family: var(--font);

}.nos-drug-calc-page .answer-input {

  appearance: none;
  -webkit-appearance: none;
  background: #fff;
  font-family: var(--font);

}.nos-drug-calc-page form.answer-form, .nos-drug-calc-page article.question-card {

  margin-left: 0;
  margin-right: 0;

}.nos-drug-calc-page .entry-content .nos-drug-calc-page p, .nos-drug-calc-page .wp-block-html .nos-drug-calc-page p {

  margin-top: 0;
  margin-bottom: 0;

}.nos-drug-calc-page .entry-content .nos-drug-calc-page .question-narrative p, .nos-drug-calc-page .wp-block-html .nos-drug-calc-page .question-narrative p, .nos-drug-calc-page .entry-content .nos-drug-calc-page .question-narrative__text, .nos-drug-calc-page .wp-block-html .nos-drug-calc-page .question-narrative__text {

  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--slate-800);

}.nos-drug-calc-page .entry-content .nos-drug-calc-page button, .nos-drug-calc-page .wp-block-html .nos-drug-calc-page button {

  font-family: var(--font);
  line-height: 1.25;

}.nos-drug-calc-page .entry-content .nos-drug-calc-page input[type="number"], .nos-drug-calc-page .wp-block-html .nos-drug-calc-page input[type="number"] {

  font-family: var(--font);
  max-width: none;

}.nos-drug-calc-page .entry-content .nos-drug-calc-page h1, .nos-drug-calc-page .entry-content .nos-drug-calc-page h2, .nos-drug-calc-page .entry-content .nos-drug-calc-page h3, .nos-drug-calc-page .wp-block-html .nos-drug-calc-page h1, .nos-drug-calc-page .wp-block-html .nos-drug-calc-page h2, .nos-drug-calc-page .wp-block-html .nos-drug-calc-page h3 {

  font-family: var(--font);
  letter-spacing: inherit;
  text-transform: none;
  color: inherit;

}.nos-drug-calc-page .entry-content .nos-drug-calc-page ol, .nos-drug-calc-page .entry-content .nos-drug-calc-page ul, .nos-drug-calc-page .wp-block-html .nos-drug-calc-page ol, .nos-drug-calc-page .wp-block-html .nos-drug-calc-page ul {

  margin-left: 0;
  padding-left: 1.25rem;

}

.nos-drug-calc-page {
  width: 100%;
  max-width: 100%;
  overflow: visible;
  display: block;
  min-height: 0 !important;
  height: auto !important;
}

.nos-drug-calc-page .app {
  min-height: 0 !important;
  height: auto !important;
}