:root {
  --page: #edf4f1;
  --surface: #fbfdfc;
  --surface-soft: #f3f8f6;
  --ink: #17221d;
  --muted: #52645d;
  --line: #c9d9d2;
  --accent: #2f7d71;
  --accent-dark: #245e55;
  --accent-soft: #e6f2ef;
  --warning: #963d37;
  --warning-soft: #fff5f3;
  --focus: #b98111;
  --shadow: 0 20px 48px rgba(20, 44, 37, 0.08);
  --shadow-soft: 0 10px 28px rgba(20, 44, 37, 0.06);
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: light;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 12% 0%, rgba(204, 223, 216, 0.5), transparent 34rem),
    linear-gradient(180deg, #f7fbf9 0%, #f1f7f4 52%, var(--page) 100%);
  color: var(--ink);
  font-size: 17px;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  line-height: 1.56;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--accent-dark);
}

a:hover {
  color: var(--warning);
}

button,
input,
select {
  font: inherit;
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
a:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.site-header {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 0;
}

.intro-layout {
  display: grid;
  grid-template-columns: minmax(0, 780px) minmax(220px, 1fr);
  column-gap: 0;
  row-gap: 24px;
  align-items: center;
  margin: 0 0 24px;
}

.hero-copy-stack {
  display: grid;
  gap: 26px;
}

.header-copy {
  max-width: 780px;
}

.brand-logo-card {
  align-self: end;
  justify-self: center;
  width: clamp(176px, 18vw, 240px);
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: #fff;
  box-shadow: var(--shadow-soft);
  transform: translateY(-15%) scale(1.15);
  transform-origin: top right;
}

.brand-logo-card img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 12px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent-dark);
  font-size: 0.86rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  max-width: 780px;
  margin: 0;
  font-size: 2.65rem;
  line-height: 1.05;
  letter-spacing: 0;
}

h2 {
  margin: 0;
  font-size: 1.45rem;
  line-height: 1.2;
  letter-spacing: 0;
}

h3 {
  margin: 0;
  font-size: 1.06rem;
  line-height: 1.3;
  letter-spacing: 0;
}

.header-copy p:not(.eyebrow) {
  max-width: 780px;
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 1.12rem;
  font-weight: 650;
}

main {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.safety-banner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  justify-self: start;
  align-items: center;
  width: calc(100% - 40px);
  margin: 0;
  padding: 12px 22px 17px;
  border: 1px solid rgba(150, 61, 55, 0.34);
  border-radius: 16px;
  background: linear-gradient(135deg, var(--warning-soft), #fffafa);
  box-shadow: var(--shadow-soft);
}

.safety-banner strong {
  display: block;
  margin-bottom: 6px;
  color: var(--warning);
  font-size: 1.12rem;
}

.safety-banner p {
  margin: 0;
  color: #3d2d2b;
  font-weight: 650;
}

.calculator-tabs {
  display: grid;
  grid-template-columns:
    minmax(0, 0.94fr) minmax(0, 1.06fr) minmax(0, 1.06fr)
    minmax(0, 0.94fr);
  width: 100%;
  margin: 26px 0;
  padding: 6px;
  border: 1px solid rgba(201, 217, 210, 0.9);
  border-radius: 18px;
  background: rgba(251, 253, 252, 0.72);
  box-shadow: 0 8px 24px rgba(20, 44, 37, 0.05);
}

.calculator-tab {
  position: relative;
  display: grid;
  gap: 3px;
  justify-items: center;
  min-height: 58px;
  border: 1px solid transparent;
  border-radius: 13px;
  padding: 10px 20px;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  text-align: center;
  box-shadow: none;
  transition:
    background-color 160ms ease,
    border-color 160ms ease,
    box-shadow 160ms ease,
    color 160ms ease,
    transform 120ms ease;
}

.calculator-tab:not(:first-child)::before {
  position: absolute;
  top: 10px;
  bottom: 10px;
  left: -1px;
  width: 1px;
  background: rgba(129, 153, 146, 0.5);
  content: "";
}

.calculator-tab.is-active::before,
.calculator-tab.is-active + .calculator-tab::before {
  display: none;
}

.calculator-tab span {
  font-size: 1rem;
  font-weight: 850;
}

.calculator-tab small {
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 650;
}

.calculator-tab.is-active {
  border-color: var(--accent);
  background: linear-gradient(180deg, #eff8f5, #e4f1ec);
  color: var(--accent-dark);
  box-shadow: 0 8px 20px rgba(47, 125, 113, 0.1);
}

.calculator-tab:hover {
  border-color: #a7cfc5;
  background: rgba(248, 252, 250, 0.95);
  box-shadow: none;
}

.calculator-tab.is-active:hover {
  background: #edf7f4;
}

.calculator-tab:active {
  box-shadow: none;
  transform: translateY(0);
}

.calculator-layout,
.methadone-layout,
.buprenorphine-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: 24px;
  align-items: start;
  margin: 24px 0;
}

.calculator-panel,
.result-panel,
.reference-section {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: linear-gradient(180deg, var(--surface), #f8fbfa);
  box-shadow: var(--shadow);
}

.calculator-panel,
.result-panel {
  padding: 26px;
}

@media (min-width: 851px) {
  #mainCalculatorSection > .result-panel,
  .methadone-layout > .result-panel {
    position: sticky;
    top: 18px;
  }
}

.compact-section {
  margin: 24px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.compact-section > summary {
  display: flex;
  gap: 18px;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
  cursor: pointer;
  list-style: none;
}

.compact-section > summary::-webkit-details-marker {
  display: none;
}

.compact-title {
  display: grid;
  gap: 5px;
}

.compact-title .eyebrow {
  margin: 0;
}

.compact-title strong {
  color: var(--ink);
  font-size: 1.28rem;
  line-height: 1.2;
}

.compact-title span:last-child {
  color: var(--muted);
  font-size: 0.95rem;
}

.summary-action {
  flex: 0 0 auto;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 12px;
  background: #f8fbfa;
  color: var(--accent-dark);
  font-weight: 850;
}

.summary-action::before {
  content: "Show";
}

.compact-section[open] .summary-action::before {
  content: "Hide";
}

.compact-section-body.methadone-layout,
.compact-section-body.buprenorphine-layout,
.compact-section-body.reference-section {
  margin: 0 0 24px;
}

.organ-context {
  margin: 24px 0;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface-soft);
}

.organ-context > summary {
  display: flex;
  gap: 18px;
  align-items: center;
  justify-content: space-between;
  padding: 16px;
  cursor: pointer;
  list-style: none;
}

.organ-context > summary::-webkit-details-marker {
  display: none;
}

.organ-context > summary strong {
  display: block;
  font-size: 1.05rem;
}

.organ-context[open] .summary-action::before {
  content: "Hide";
}

.organ-context .context-grid {
  padding: 0 16px 16px;
}

.specialty-section {
  margin: 24px 0;
}

.specialty-tool-panel {
  margin: 0;
}

.section-heading,
.subsection-heading {
  margin-bottom: 22px;
}

.field-grid {
  display: grid;
  gap: 18px;
}

.compact-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: start;
}

.compact-grid > label {
  align-content: start;
}

.field-stack {
  display: grid;
  gap: 8px;
  align-content: start;
}

#targetField {
  grid-template-columns: minmax(0, 1fr);
}

.target-field {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.field-stack > label {
  align-content: start;
}

.conversion-field-title {
  display: block;
  color: var(--accent-dark);
  font-size: 1.24rem;
  font-weight: 900;
  letter-spacing: 0;
  line-height: 1.15;
}

.top-grid-note {
  display: block;
  margin-top: 0;
}

label,
.slider-header label {
  display: grid;
  gap: 8px;
  color: var(--ink);
  font-size: 1.01rem;
  font-weight: 800;
}

.field-hint {
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 700;
}

.is-hidden {
  display: none !important;
}

select,
input[type="number"] {
  width: 100%;
  min-height: 50px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fbfdfc;
  color: var(--ink);
  padding: 11px 13px;
  font-size: 1rem;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8);
  transition:
    background-color 160ms ease,
    border-color 160ms ease,
    box-shadow 160ms ease;
}

select:hover,
input[type="number"]:hover {
  border-color: #aebfb8;
  background: #f8fbfa;
}

select {
  cursor: pointer;
}

.subsection {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.subsection-header {
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
}

.regimen-entries {
  display: grid;
  gap: 16px;
  margin-top: 18px;
}

.regimen-entry {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: linear-gradient(180deg, var(--surface-soft), #f8fbfa);
}

.entry-head {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 14px;
}

.entry-head h3 {
  margin-top: 0;
  color: var(--accent-dark);
  font-size: 1.28rem;
  font-weight: 900;
  line-height: 1.15;
}

.entry-remove-button {
  min-height: 38px;
  padding: 8px 12px;
}

.regimen-entry-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.regimen-entry-grid > label:first-child {
  grid-column: 1 / -1;
}

.entry-summary {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 0.98rem;
  font-weight: 650;
}

.slider-group {
  display: grid;
  gap: 12px;
}

.slider-header {
  display: flex;
  gap: 16px;
  align-items: end;
  justify-content: space-between;
}

.percent-input {
  display: grid;
  grid-template-columns: minmax(72px, 92px) auto;
  gap: 8px;
  align-items: center;
}

.percent-input input {
  text-align: right;
}

input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
}

.range-labels {
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 650;
}

.quick-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.tag-button {
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fbfdfc;
  color: var(--ink);
  cursor: pointer;
  font-weight: 750;
  padding: 8px 12px;
  transition:
    background-color 160ms ease,
    border-color 160ms ease,
    box-shadow 160ms ease,
    transform 120ms ease;
}

.tag-button:hover {
  border-color: #a7c7be;
  background: #f3faf7;
  box-shadow: 0 6px 14px rgba(20, 44, 37, 0.06);
  transform: translateY(-1px);
}

.tag-button:active {
  box-shadow: none;
  transform: translateY(0);
}

.basis-note,
.reference-copy {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 0.99rem;
  font-weight: 650;
}

.context-grid,
.advisory-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: 24px;
}

.context-card,
.advisory-card {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: linear-gradient(180deg, var(--surface-soft), #f8fbfa);
}

.context-card h3,
.advisory-card h3 {
  font-size: 1.12rem;
}

.context-summary,
.advisory-card p {
  margin: 14px 0 0;
  color: var(--muted);
}

.note-box {
  padding: 13px 15px;
  border-left: 4px solid var(--accent);
  border-radius: 12px;
  background: var(--accent-soft);
}

.note-box-accent {
  border-left-color: #8b7440;
  background: #f8f4e8;
  color: #51472e;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

button {
  min-height: 46px;
  border: 0;
  border-radius: 14px;
  background: var(--accent);
  color: white;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 800;
  padding: 10px 16px;
  box-shadow: 0 8px 18px rgba(47, 125, 113, 0.13);
  transition:
    background-color 160ms ease,
    border-color 160ms ease,
    box-shadow 160ms ease,
    color 160ms ease,
    transform 120ms ease;
}

button:hover {
  background: var(--accent-dark);
  box-shadow: 0 10px 22px rgba(47, 125, 113, 0.16);
  transform: translateY(-1px);
}

button:active {
  box-shadow: 0 4px 12px rgba(47, 125, 113, 0.1);
  transform: translateY(0);
}

.secondary-button {
  border: 1px solid var(--line);
  background: #fbfdfc;
  color: var(--ink);
  box-shadow: 0 6px 16px rgba(20, 44, 37, 0.05);
}

.secondary-button:hover {
  border-color: #a7c7be;
  background: #f3faf7;
  box-shadow: 0 8px 20px rgba(20, 44, 37, 0.07);
}

.secondary-button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
  box-shadow: none;
  transform: none;
}

.dose-result {
  display: flex;
  gap: 10px;
  align-items: baseline;
  min-height: 98px;
  margin: 8px 0 10px;
  padding: 8px 0;
  color: var(--accent-dark);
}

#finalDose,
#methadoneConservativeMmeDose,
#methadoneFinalDose {
  font-size: 4.35rem;
  font-weight: 850;
  line-height: 1;
}

#finalUnit,
#methadoneConservativeMmeUnit,
#methadoneFinalUnit {
  font-size: 1.5rem;
  font-weight: 800;
}

.secondary-dose-card {
  margin: 18px 0 24px;
  padding: 18px;
  border: 1px solid var(--line);
  border-left: 5px solid var(--accent);
  border-radius: 14px;
  background: var(--accent-soft);
}

.secondary-dose-result {
  margin: 6px 0;
}

.secondary-dose-card p {
  margin: 0;
  color: var(--muted);
  font-weight: 700;
}

.calculation-steps {
  display: grid;
  gap: 0;
  margin: 0;
}

.calculation-steps div {
  display: grid;
  grid-template-columns: minmax(180px, 0.9fr) minmax(0, 1.1fr);
  gap: 16px;
  align-items: center;
  min-height: 56px;
  padding: 10px 0;
  border-top: 1px solid var(--line);
}

.calculation-steps .wrap-step {
  grid-template-columns: 1fr;
  align-items: start;
  gap: 4px;
}

.calculation-steps div:last-child {
  border-bottom: 1px solid var(--line);
}

dt {
  color: var(--muted);
  font-weight: 800;
}

dd {
  margin: 0;
  color: var(--ink);
  font-weight: 850;
  font-size: 1.02rem;
  text-align: right;
  overflow-wrap: anywhere;
}

.calculation-steps .wrap-step dd {
  text-align: left;
}

.clinical-notes {
  margin-top: 22px;
}

.clinical-notes ul {
  margin: 0;
  padding-left: 20px;
}

.clinical-notes li {
  margin: 8px 0;
  line-height: 1.58;
}

.schedule-summary {
  display: grid;
  gap: 12px;
  margin-bottom: 20px;
}

.schedule-summary div {
  display: grid;
  gap: 4px;
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

.schedule-summary div:last-child {
  border-bottom: 1px solid var(--line);
  padding-bottom: 12px;
}

.summary-label {
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.schedule-table-wrap,
.regimen-table-wrap {
  margin-top: 8px;
}

.schedule-table {
  min-width: 560px;
}

.regimen-table {
  min-width: 620px;
}

.result-panel .regimen-table,
.result-panel .schedule-table {
  min-width: 0;
  table-layout: fixed;
}

.result-panel .regimen-table th,
.result-panel .regimen-table td,
.result-panel .schedule-table th,
.result-panel .schedule-table td {
  padding: 12px 10px;
  overflow-wrap: break-word;
  word-break: normal;
}

.result-panel .regimen-table th:last-child,
.result-panel .regimen-table td:last-child,
.result-panel .schedule-table th:last-child,
.result-panel .schedule-table td:last-child {
  text-align: left;
}

.result-panel .regimen-table th:nth-child(1),
.result-panel .regimen-table td:nth-child(1) {
  width: 36%;
}

.result-panel .regimen-table th:nth-child(2),
.result-panel .regimen-table td:nth-child(2) {
  width: 29%;
}

.result-panel .regimen-table th:nth-child(3),
.result-panel .regimen-table td:nth-child(3) {
  width: 35%;
}

.result-panel .schedule-table th:nth-child(1),
.result-panel .schedule-table td:nth-child(1) {
  width: 11%;
}

.result-panel .schedule-table th:nth-child(2),
.result-panel .schedule-table td:nth-child(2) {
  width: 35%;
}

.result-panel .schedule-table th:nth-child(3),
.result-panel .schedule-table td:nth-child(3) {
  width: 54%;
}

.output-stack {
  display: grid;
  gap: 2px;
}

.output-detail {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 650;
}

.source-table {
  min-width: 720px;
}

.continue-action {
  color: var(--accent-dark);
  font-weight: 850;
}

.taper-action {
  color: #655831;
  font-weight: 850;
}

.stop-action {
  color: var(--warning);
  font-weight: 900;
}

.reference-section {
  margin: 24px 0 34px;
  padding: 24px;
}

.methadone-reference-heading {
  margin-top: 28px;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  min-width: 780px;
  border-collapse: collapse;
}

th,
td {
  border-bottom: 1px solid var(--line);
  padding: 15px 13px;
  text-align: left;
  vertical-align: top;
  font-size: 0.98rem;
}

th {
  background: #edf4f1;
  color: var(--ink);
  font-weight: 850;
}

tbody tr:nth-child(even) {
  background: rgba(243, 248, 246, 0.72);
}

td:last-child,
th:last-child {
  text-align: right;
}

.source-table td:last-child,
.source-table th:last-child,
.schedule-table td:last-child,
.schedule-table th:last-child {
  text-align: left;
}

footer {
  border-top: 1px solid var(--line);
  background: rgba(251, 253, 252, 0.86);
}

footer p {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 18px 0;
  color: var(--muted);
  font-size: 0.95rem;
}

@media (max-width: 960px) {
  .compact-grid,
  .regimen-entry-grid {
    grid-template-columns: 1fr;
  }

  .regimen-entry-grid > label:first-child {
    grid-column: auto;
  }
}

@media (max-width: 850px) {
  .intro-layout,
  .safety-banner,
  .calculator-layout,
  .methadone-layout,
  .buprenorphine-layout {
    grid-template-columns: 1fr;
  }

  .calculator-tabs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: 100%;
  }

  .calculator-tab::before {
    display: none;
  }

  .site-header {
    padding-top: 22px;
  }

  .brand-logo-card {
    align-self: auto;
    justify-self: center;
    width: clamp(122px, 34vw, 168px);
    padding: 8px;
    transform: none;
  }

  h1 {
    font-size: 2.2rem;
  }
}

@media (max-width: 560px) {
  .site-header,
  main,
  footer p {
    width: min(100% - 22px, 1180px);
  }

  h1 {
    font-size: 1.9rem;
  }

  .calculator-tabs {
    grid-template-columns: 1fr;
  }

  .calculator-panel,
  .result-panel,
  .reference-section,
  .safety-banner,
  .context-card,
  .advisory-card,
  .regimen-entry {
    padding: 16px;
  }

  .compact-section > summary,
  .organ-context > summary,
  .subsection-header,
  .entry-head,
  .slider-header {
    align-items: stretch;
    display: grid;
  }

  .button-row {
    display: grid;
  }

  button,
  .tag-button {
    width: 100%;
  }

  #finalDose,
  #methadoneConservativeMmeDose,
  #methadoneFinalDose {
    font-size: 3.1rem;
  }

  .calculation-steps div {
    display: grid;
    gap: 4px;
    justify-content: stretch;
    padding: 10px 0;
  }

  dd {
    text-align: left;
  }
}