:root {
  color-scheme: light;
  --bg: #f8fafc;
  --panel: #ffffff;
  --ink: #10202a;
  --muted: #667985;
  --line: #d8e2e7;
  --accent: #0f766e;
  --accent-soft: #dff5f1;
  --warn: #8a5a00;
  --warn-soft: #fff4d6;
  --shadow: 0 16px 40px rgba(15, 23, 42, 0.08);
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #111827;
  --panel: #18212f;
  --ink: #eef4f8;
  --muted: #a8b6c2;
  --line: #324255;
  --accent: #2dd4bf;
  --accent-soft: #103f3b;
  --warn: #ffd37a;
  --warn-soft: #3f2f12;
  --shadow: 0 16px 40px rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
input,
select {
  font: inherit;
}

select {
  appearance: auto;
}

.app-shell {
  min-height: 100vh;
  overflow-x: hidden;
}

.topbar {
  align-items: center;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  display: flex;
  gap: 16px;
  justify-content: space-between;
  padding: 16px;
  position: sticky;
  top: 0;
  z-index: 10;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  position: relative;
}

.disclosure-menu {
  position: relative;
}

.disclosure-menu summary {
  align-items: center;
  background: transparent;
  border: 0;
  border-radius: 50%;
  cursor: pointer;
  display: inline-flex;
  font-size: 16px;
  font-weight: 850;
  height: 40px;
  justify-content: center;
  min-height: 40px;
  padding: 0;
  width: 40px;
}

.disclosure-menu summary img {
  height: 24px;
  width: 24px;
}

.disclosure-menu summary::marker {
  content: "";
}

.disclosure-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  color: var(--ink);
  max-width: min(340px, calc(100vw - 32px));
  padding: 14px;
  position: absolute;
  right: 0;
  top: 48px;
  width: 340px;
  z-index: 20;
}

.disclosure-panel h2 {
  font-size: 14px;
  margin: 0 0 6px;
}

.disclosure-panel p {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
  margin: 0 0 10px;
}

.disclosure-panel a {
  color: var(--accent);
}

.contact-row {
  align-items: center;
  display: flex;
  gap: 8px;
}

.contact-row img {
  flex: 0 0 auto;
  height: 18px;
  width: 18px;
}

.theme-toggle {
  align-items: center;
  background: color-mix(in srgb, var(--line) 32%, var(--panel));
  border: 1px solid var(--line);
  border-radius: 50%;
  cursor: pointer;
  display: inline-flex;
  height: 40px;
  justify-content: center;
  overflow: hidden;
  padding: 0;
  position: relative;
  width: 40px;
}

.theme-icon {
  display: block;
  height: 26px;
  position: absolute;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
  transform-origin: center;
  transition: opacity 180ms ease, transform 180ms ease;
  width: 26px;
}

.theme-icon.sun {
  color: #f5b400;
  fill: none;
}

.theme-icon.sun circle {
  fill: #f5b400;
  stroke: none;
}

.theme-icon.moon {
  color: #334155;
  fill: #334155;
  stroke: #0f172a;
  stroke-width: 1.5;
}

:root[data-theme="dark"] .theme-icon.moon {
  color: #aeb7c2;
  fill: #334155;
  stroke: #0f172a;
}

.theme-icon.sun {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

.theme-icon.moon {
  opacity: 0;
  transform: rotate(90deg) scale(0.6);
}

:root[data-theme="dark"] .theme-icon.sun {
  opacity: 0;
  transform: rotate(-90deg) scale(0.6);
}

:root[data-theme="dark"] .theme-icon.moon {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

.topbar h1 {
  font-size: 24px;
  line-height: 1.05;
  margin: 2px 0 0;
}

.eyebrow {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0;
  margin: 0;
  text-transform: uppercase;
}

.icon-button,
.primary-button,
.secondary-button {
  align-items: center;
  border: 0;
  border-radius: 8px;
  cursor: pointer;
  display: inline-flex;
  font-weight: 750;
  justify-content: center;
  min-height: 44px;
  padding: 0 14px;
}

.icon-button,
.secondary-button {
  background: color-mix(in srgb, var(--line) 38%, var(--panel));
  color: var(--ink);
}

.primary-button {
  background: var(--accent);
  color: #ffffff;
  width: 100%;
}

.layout {
  display: grid;
  gap: 16px;
  margin: 0 auto;
  max-width: 860px;
  padding: 16px;
}

.view-tool .tool-list {
  display: none;
}

.view-home .calculator-panel {
  display: none;
}

.search-wrap input,
.field input,
.field select,
.drug-search-field input {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  height: 46px;
  line-height: normal;
  max-width: 100%;
  min-height: 46px;
  min-width: 0;
  outline: none;
  padding: 10px 12px;
  width: 100%;
}

.field select {
  text-overflow: ellipsis;
}

.search-wrap input:focus,
.field input:focus,
.field select:focus,
.drug-search-field input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.15);
}

.session-chip {
  align-items: center;
  background: var(--accent-soft);
  border: 1px solid #b7e5de;
  border-radius: 8px;
  color: #075e56;
  display: flex;
  font-size: 13px;
  font-weight: 400;
  gap: 10px;
  justify-content: space-between;
  margin-top: 12px;
  padding: 10px 12px;
}

.session-text {
  display: grid;
  gap: 2px;
}

.session-text strong {
  font-weight: 800;
}

.session-clear-button {
  align-self: center;
  background: #0f766e;
  border: 1px solid #0a5f58;
  border-radius: 8px;
  color: #ffffff;
  cursor: pointer;
  flex: 0 0 auto;
  font-size: 12px;
  font-weight: 400;
  min-height: 30px;
  padding: 0 10px;
}

.section-heading {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  margin: 18px 0 8px;
  text-transform: uppercase;
}

.tools {
  display: grid;
  gap: 10px;
}

.tool-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: none;
  color: inherit;
  cursor: pointer;
  padding: 14px;
  text-align: left;
  width: 100%;
}

.tool-card.active {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.12);
}

.tool-title {
  display: block;
  font-size: 16px;
  font-weight: 800;
  margin-bottom: 4px;
}

.tool-title-row {
  align-items: center;
  display: flex;
  gap: 8px;
  justify-content: flex-start;
  margin-bottom: 4px;
}

.tool-title-row .tool-title {
  margin-bottom: 0;
}

.tool-status-icon {
  border-radius: 50%;
  flex: 0 0 auto;
  height: 20px;
  padding: 2px;
  width: 20px;
}

.tool-status-icon.testing {
  background: #fff1b8;
}

.tool-status-icon.ready {
  background: #c9f7df;
}

.tool-status-icon.down {
  background: #ffd2d2;
}

.tool-desc {
  color: var(--muted);
  display: block;
  font-size: 13px;
  line-height: 1.35;
}

.calculator-panel {
  min-width: 0;
}

.calc-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 16px;
}

.view-slide {
  animation: slideIn 180ms ease-out;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(18px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.back-button {
  align-items: center;
  background: color-mix(in srgb, var(--line) 38%, var(--panel));
  border: 0;
  border-radius: 8px;
  color: var(--ink);
  cursor: pointer;
  display: inline-flex;
  font-weight: 800;
  gap: 6px;
  min-height: 40px;
  padding: 0 12px;
  margin-bottom: 14px;
}

.back-button span {
  font-size: 24px;
  line-height: 1;
  margin-top: -2px;
}

.calc-header {
  border-bottom: 1px solid var(--line);
  margin: -2px 0 16px;
  padding-bottom: 14px;
}

.calc-header h2 {
  font-size: 22px;
  margin: 0 0 6px;
}

.calc-title-row {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 6px;
}

.calc-title-row h2 {
  margin: 0;
}

.status-badge {
  align-items: center;
  border-radius: 999px;
  display: inline-flex;
  font-size: 12px;
  font-weight: 800;
  gap: 5px;
  min-height: 28px;
  padding: 4px 9px;
  position: relative;
  top: 1px;
}

.status-badge img {
  height: 16px;
  width: 16px;
}

.status-badge.testing {
  background: #fff1b8;
  color: #755700;
}

.status-badge.ready {
  background: #c9f7df;
  color: #075d33;
}

.status-badge.down {
  background: #ffd2d2;
  color: #9f1d1d;
}

.calc-header p {
  color: var(--muted);
  line-height: 1.45;
  margin: 0;
}

.form-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: minmax(0, 1fr);
}

.renal-dose-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: minmax(0, 1fr);
}

.search-match-list {
  border: 1px solid var(--line);
  border-radius: 8px;
  display: grid;
  gap: 0;
  margin-top: 0;
  overflow: hidden;
}

.search-match-list[hidden] {
  display: none;
}

.search-match-list button,
.search-match-list span {
  background: var(--panel);
  border: 0;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  cursor: pointer;
  font-size: 13px;
  min-height: 36px;
  padding: 8px 10px;
  text-align: left;
}

.search-match-list button:last-child,
.search-match-list span:last-child {
  border-bottom: 0;
}

.search-match-list button:hover {
  color: var(--ink);
  background: color-mix(in srgb, var(--accent-soft) 55%, var(--panel));
}

.search-match-list button.active {
  color: var(--ink);
  background: color-mix(in srgb, var(--accent-soft) 75%, var(--panel));
}

.inline-heading {
  margin: 4px 0 -2px;
}

.infusion-form-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: minmax(0, 1fr);
}

.fe-form-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: minmax(0, 1fr);
}

.form-row {
  display: grid;
  gap: 12px;
  grid-template-columns: minmax(0, 1fr);
}

.form-row.value-unit-row {
  grid-template-columns: minmax(0, 1fr) minmax(132px, 38%);
}

.form-row.compact-unit-row {
  grid-template-columns: minmax(0, 1fr) 104px;
}

.form-row.value-unit-row .field-hint {
  font-size: 11px;
}

.field {
  display: grid;
  gap: 6px;
  grid-template-columns: minmax(0, 1fr);
  grid-template-rows: 16px 46px minmax(14px, auto);
  min-width: 0;
}

.field label {
  align-items: end;
  color: var(--ink);
  display: flex;
  font-size: 13px;
  font-weight: 800;
  line-height: 16px;
}

.field-hint {
  color: var(--muted);
  font-size: 12px;
  line-height: 14px;
}

.button-row {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

.result-box {
  background: color-mix(in srgb, var(--panel) 88%, var(--bg));
  border: 1px solid var(--line);
  border-radius: 8px;
  margin-top: 16px;
  padding: 14px;
}

.result-box.has-warning.caution {
  border-color: #d08b00;
}

.result-box.has-warning.critical {
  border-color: #c72d2d;
}

.result-box.pending {
  background: var(--panel);
}

.result-heading {
  align-items: center;
  display: flex;
  gap: 10px;
  justify-content: space-between;
}

.warning-icon {
  align-items: center;
  border-radius: 50%;
  color: #ffffff;
  display: inline-flex;
  font-size: 14px;
  font-weight: 900;
  height: 24px;
  justify-content: center;
  line-height: 1;
  width: 24px;
}

.warning-icon.caution {
  background: #d08b00;
}

.warning-icon.critical {
  background: #c72d2d;
}

.infusion-summary {
  display: grid;
  gap: 10px;
  margin: 8px 0 10px;
}

.infusion-summary div {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  display: grid;
  gap: 3px;
  min-width: 0;
  padding: 10px;
}

.infusion-summary span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.infusion-summary strong {
  font-size: 14px;
  font-weight: 500;
  line-height: 1.25;
  overflow-wrap: anywhere;
}

.infusion-summary .primary-summary {
  font-size: 17px;
  font-weight: 850;
}

.result-label {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.result-value {
  font-size: 30px;
  font-weight: 850;
  line-height: 1.1;
  margin: 4px 0 8px;
}

.result-detail {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
  margin: 0;
}

.info-grid {
  display: grid;
  gap: 10px;
  margin-top: 10px;
}

.info-grid div {
  display: grid;
  gap: 3px;
}

.info-grid strong {
  font-size: 12px;
}

.info-grid span {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.warning-list {
  display: grid;
  gap: 8px;
  margin-top: 12px;
}

.warning-list div {
  border-radius: 8px;
  font-size: 13px;
  line-height: 1.4;
  padding: 9px 10px;
}

.warning-list div.caution {
  background: var(--warn-soft);
  border: 1px solid #f0d48d;
  color: var(--warn);
}

.warning-list div.critical {
  background: #ffe3e3;
  border: 1px solid #ee9b9b;
  color: #9f1d1d;
}

.reference-list {
  display: grid;
  gap: 12px;
}

.reference-search {
  margin-bottom: 12px;
}

.reference-search input {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  height: 46px;
  outline: none;
  padding: 10px 12px;
  width: 100%;
}

.reference-search input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.15);
}

.reference-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
}

.reference-card h3 {
  font-size: 16px;
  margin: 0 0 8px;
}

.reference-card p {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
  margin: 10px 0 0;
}

.dose-reference-list {
  display: grid;
  gap: 8px;
  margin-top: 4px;
}

.dose-reference-row {
  border: 1px solid var(--line);
  border-radius: 8px;
  display: grid;
  gap: 4px;
  padding: 9px 10px;
}

.dose-reference-row strong {
  font-size: 13px;
}

.dose-reference-row span,
.source-links {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.4;
}

.source-links {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 2px;
}

.source-links a,
.source-pending {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 2px 7px;
}

.source-links a {
  color: var(--accent);
  text-decoration: none;
}

:root[data-theme="dark"] .session-chip {
  border-color: #1b6e64;
  color: #7ee8d8;
}

:root[data-theme="dark"] .session-clear-button {
  background: #2dd4bf;
  border-color: #5eead4;
  color: #082f2b;
}

:root[data-theme="dark"] .warning-list div.critical {
  background: #4a1518;
  border-color: #922d34;
  color: #ffc9c9;
}

:root[data-theme="dark"] .warning-list div.caution,
:root[data-theme="dark"] .notice {
  border-color: #8a6118;
}

.notice {
  background: var(--warn-soft);
  border: 1px solid #f0d48d;
  border-radius: 8px;
  color: var(--warn);
  font-size: 13px;
  line-height: 1.45;
  margin-top: 14px;
  padding: 10px 12px;
}

.notice.compact {
  margin-top: 0;
}

.empty-state {
  color: var(--muted);
  padding: 36px 10px;
  text-align: center;
}

@media (min-width: 760px) {
  .topbar {
    padding: 18px 24px;
  }

  .layout {
    align-items: start;
    grid-template-columns: 320px minmax(0, 1fr);
    padding: 24px;
    max-width: 1180px;
  }

  .view-home .calculator-panel,
  .view-tool .tool-list {
    display: block;
  }

  .calculator-panel {
    order: 2;
  }

  .tool-list {
    align-self: start;
    border-right: 1px solid var(--line);
    max-height: calc(100vh - 124px);
    order: 1;
    overflow: auto;
    padding: 0 16px 4px 0;
    position: sticky;
    top: 98px;
  }

  .tool-list::after {
    background: linear-gradient(to bottom, transparent, var(--bg));
    bottom: 0;
    content: "";
    height: 24px;
    left: 0;
    pointer-events: none;
    position: sticky;
    right: 16px;
    display: block;
  }

  .form-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .form-row.two-col {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .form-row.value-unit-row {
    grid-template-columns: minmax(0, 1fr) 220px;
  }

  .form-row.compact-unit-row {
    grid-template-columns: minmax(0, 1fr) 112px;
  }

  .form-row.one-col {
    grid-template-columns: minmax(0, 1fr);
    max-width: calc((100% - 12px) / 2);
  }

  .form-row.one-col.wide {
    max-width: none;
  }

  .back-button {
    display: none;
  }
}