:root {
  color-scheme: dark;
  --bg: #07101d;
  --bg-deep: #030812;
  --surface: #0e1a2b;
  --surface-2: #13233a;
  --surface-3: #172a44;
  --text: #f5f9ff;
  --soft: #c4d3e5;
  --muted: #96abc3;
  --line: #2e4867;
  --line-strong: #507092;
  --cyan: #4de7f3;
  --blue: #7fb7ff;
  --violet: #b8a4ff;
  --green: #62e6ad;
  --amber: #ffd166;
  --orange: #ff9e64;
  --red: #ff718a;
  --danger-bg: #32151f;
  --warning-bg: #2d2410;
  --success-bg: #0c2a22;
  --info-bg: #0b2636;
  --shadow: 0 22px 60px rgba(0, 0, 0, 0.34);
  --radius: 22px;
  --radius-sm: 14px;
  --wrap: 1240px;
}

html[data-theme="light"] {
  color-scheme: light;
  --bg: #ffffff;
  --bg-deep: #eef4f8;
  --surface: #ffffff;
  --surface-2: #f4f8fb;
  --surface-3: #e9f1f7;
  --text: #102a43;
  --soft: #334e68;
  --muted: #526d82;
  --line: #71869a;
  --line-strong: #50677b;
  --cyan: #006d80;
  --blue: #155fb3;
  --violet: #5946c7;
  --green: #087a55;
  --amber: #7a4e00;
  --orange: #9b3f10;
  --red: #b4233f;
  --danger-bg: #fff2f4;
  --warning-bg: #fff8e8;
  --success-bg: #ecfbf5;
  --info-bg: #edf8fc;
  --shadow: 0 18px 46px rgba(16, 42, 67, 0.12);
}

html.a11y-contrast {
  color-scheme: dark;
  --bg: #000000;
  --bg-deep: #000000;
  --surface: #000000;
  --surface-2: #111111;
  --surface-3: #181818;
  --text: #ffffff;
  --soft: #ffffff;
  --muted: #f3f3f3;
  --line: #ffffff;
  --line-strong: #ffffff;
  --cyan: #7ff5ff;
  --blue: #9fc8ff;
  --violet: #d8ccff;
  --green: #7dffc2;
  --amber: #ffef5c;
  --orange: #ffc07a;
  --red: #ff8ca1;
  --danger-bg: #000000;
  --warning-bg: #000000;
  --success-bg: #000000;
  --info-bg: #000000;
  --shadow: none;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  overflow-x: hidden;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  min-width: 0;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 8% 8%, rgba(77, 231, 243, 0.09), transparent 28rem),
    radial-gradient(circle at 90% 18%, rgba(184, 164, 255, 0.09), transparent 30rem),
    var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "SF Pro Text",
    "Segoe UI", sans-serif;
  line-height: 1.58;
}

html[data-theme="light"] body {
  background:
    radial-gradient(circle at 8% 8%, rgba(0, 109, 128, 0.05), transparent 28rem),
    radial-gradient(circle at 90% 18%, rgba(89, 70, 199, 0.05), transparent 30rem),
    #ffffff;
}

button,
input,
select,
textarea {
  color: inherit;
  font: inherit;
}

button,
select,
a {
  -webkit-tap-highlight-color: transparent;
}

button,
.button,
.nav-links a,
.scale-option,
.copy-button,
.scenario-tab,
.restraint-tab {
  min-height: 44px;
}

a {
  color: var(--cyan);
}

img,
svg {
  max-width: 100%;
}

h1,
h2,
h3,
h4,
p,
ul,
ol {
  overflow-wrap: anywhere;
}

:where(a, button, input, select, textarea, summary, [tabindex]):focus-visible {
  outline: 3px solid var(--amber);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  left: 16px;
  top: -100px;
  z-index: 9999;
  padding: 12px 16px;
  border-radius: 10px;
  background: var(--amber);
  color: #111827;
  font-weight: 900;
  transition: top 0.16s;
}

.skip-link:focus {
  top: 14px;
}

.wrap {
  width: min(calc(100% - 32px), var(--wrap));
  min-width: 0;
  margin-inline: auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  padding-top: env(safe-area-inset-top);
  border-bottom: 1px solid var(--line);
  background: rgba(7, 16, 29, 0.92);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}

html[data-theme="light"] .topbar {
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 8px 26px rgba(16, 42, 67, 0.08);
}

.nav {
  display: flex;
  min-width: 0;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 72px;
}

.brand {
  display: inline-flex;
  min-width: 0;
  align-items: center;
  gap: 12px;
  color: var(--text);
  text-decoration: none;
}

.brand-mark {
  display: grid;
  flex: 0 0 44px;
  width: 44px;
  height: 44px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: linear-gradient(135deg, var(--info-bg), var(--surface-2));
  font-size: 1.4rem;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 0.96rem;
}

.brand small {
  color: var(--muted);
  font-size: 0.72rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 5px;
}

.nav-links a,
.icon-button,
.menu-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  border: 1px solid transparent;
  border-radius: 12px;
  background: transparent;
  color: var(--soft);
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 750;
  padding: 9px 11px;
  text-decoration: none;
}

.nav-links a:hover,
.icon-button:hover,
.menu-button:hover {
  border-color: var(--line);
  background: var(--surface-2);
  color: var(--text);
}

.icon-button {
  border-color: var(--line);
}

.menu-button {
  display: none;
  border-color: var(--line);
}

.review-strip {
  border-bottom: 1px solid #7d5e15;
  background: var(--warning-bg);
  color: var(--soft);
}

.review-strip .wrap {
  display: flex;
  align-items: center;
  gap: 10px 16px;
  min-height: 42px;
  padding-block: 8px;
  font-size: 0.8rem;
}

.review-strip strong {
  color: var(--amber);
}

.review-strip a {
  margin-left: auto;
  white-space: nowrap;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(58px, 8vw, 108px) 0 58px;
}

.hero::after {
  position: absolute;
  inset: auto -10% 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-strong), transparent);
  content: "";
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(310px, 0.65fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
}

.hero-copy,
.hero-panel,
.grid > *,
.two-col > *,
.three-col > *,
.scale-grid > * {
  min-width: 0;
}

.eyebrow,
.kicker,
.section-label {
  color: var(--cyan);
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 810px;
  margin: 17px 0 20px;
  font-size: clamp(2.65rem, 7vw, 5.75rem);
  font-weight: 900;
  letter-spacing: -0.065em;
  line-height: 0.97;
}

.hero h1 span {
  background: linear-gradient(90deg, var(--cyan), var(--blue), var(--violet));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-lead {
  max-width: 760px;
  margin: 0;
  color: var(--soft);
  font-size: clamp(1rem, 2vw, 1.18rem);
}

.hero-actions,
.chip-row,
.study-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-actions {
  margin-top: 28px;
}

.button,
.copy-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  font-weight: 850;
  padding: 11px 16px;
  text-decoration: none;
}

.button.primary {
  border-color: transparent;
  background: linear-gradient(120deg, #06819a, #335ec6);
  color: #ffffff;
}

.button.danger {
  border-color: var(--red);
  background: var(--danger-bg);
  color: var(--red);
}

.button:hover,
.copy-button:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

.hero-note {
  margin-top: 24px;
  color: var(--muted);
  font-size: 0.78rem;
}

.hero-panel,
.card,
.scale-card,
.cause-card,
.bundle-card,
.study-card,
.checklist-card,
.reference-card,
.review-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.hero-panel {
  padding: 24px;
}

.panel-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 17px;
  border-bottom: 1px solid var(--line);
}

.panel-head h2 {
  margin: 0;
  font-size: 1.2rem;
}

.status-dot {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--green);
  font-size: 0.72rem;
  font-weight: 800;
  white-space: nowrap;
}

.status-dot::before {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 14px currentColor;
  content: "";
}

.gate-list {
  display: grid;
  gap: 12px;
  margin: 19px 0 0;
  padding: 0;
  list-style: none;
}

.gate-list li {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
}

.gate-number {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: var(--surface-2);
  color: var(--cyan);
  font-weight: 900;
}

.gate-list strong,
.gate-list span {
  display: block;
}

.gate-list span {
  color: var(--muted);
  font-size: 0.78rem;
}

.section {
  padding: clamp(62px, 8vw, 98px) 0;
  border-top: 1px solid color-mix(in srgb, var(--line) 68%, transparent);
}

.section.alt {
  background: color-mix(in srgb, var(--bg-deep) 62%, transparent);
}

.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 22px;
  margin-bottom: 30px;
}

.section-heading h2 {
  max-width: 820px;
  margin: 8px 0;
  font-size: clamp(1.85rem, 4vw, 3.15rem);
  letter-spacing: -0.04em;
  line-height: 1.06;
}

.section-heading p {
  max-width: 780px;
  margin: 0;
  color: var(--soft);
}

.learning-figure {
  margin: 0 0 26px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #ffffff;
  box-shadow: var(--shadow);
}

.learning-figure img {
  display: block;
  width: 100%;
  height: auto;
  background: #ffffff;
}

.learning-figure figcaption {
  padding: 13px 16px;
  border-top: 1px solid var(--line);
  background: var(--surface);
  color: var(--soft);
  font-size: 0.82rem;
}

.learning-figure figcaption strong {
  color: var(--text);
}

.learning-figure.compact {
  margin-bottom: 18px;
  border-radius: var(--radius-sm);
  box-shadow: none;
}

.learning-figure.compact figcaption {
  padding: 10px 12px;
  font-size: 0.74rem;
}

.scenario-shell {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.scenario-tabs,
.restraint-tabs {
  display: grid;
  gap: 6px;
  padding: 8px;
  border-bottom: 1px solid var(--line);
  background: var(--surface-2);
}

.scenario-tabs {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.scenario-tab,
.restraint-tab {
  border: 1px solid transparent;
  border-radius: 12px;
  background: transparent;
  color: var(--soft);
  cursor: pointer;
  font-weight: 850;
  padding: 10px 12px;
}

.scenario-tab:hover,
.restraint-tab:hover {
  border-color: var(--line);
  background: var(--surface);
  color: var(--text);
}

.scenario-tab[aria-selected="true"],
.restraint-tab[aria-selected="true"] {
  border-color: var(--cyan);
  background: var(--info-bg);
  color: var(--cyan);
}

.scenario-panel,
.restraint-panel {
  padding: 24px;
}

.scenario-panel[hidden],
.restraint-panel[hidden] {
  display: none;
}

.scenario-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.scenario-grid article {
  min-width: 0;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface-2);
}

.scenario-grid h3 {
  margin: 12px 0 8px;
  font-size: 1.02rem;
}

.scenario-grid ul {
  margin: 0;
  padding-left: 19px;
  color: var(--soft);
  font-size: 0.84rem;
}

.scenario-grid li + li {
  margin-top: 7px;
}

.scenario-grid p {
  margin-bottom: 0;
  color: var(--soft);
  font-size: 0.86rem;
}

.scenario-grid .scenario-alert {
  border-color: color-mix(in srgb, var(--amber) 68%, var(--line));
  background: var(--warning-bg);
}

.step-chip {
  display: inline-flex;
  border-radius: 999px;
  background: var(--info-bg);
  color: var(--cyan);
  font-size: 0.68rem;
  font-weight: 900;
  letter-spacing: 0.05em;
  padding: 5px 8px;
}

.danger-chip {
  background: var(--danger-bg);
  color: var(--red);
}

.decision-console {
  display: grid;
  grid-template-columns: minmax(230px, 0.58fr) minmax(0, 1.42fr);
  gap: 20px;
  margin-top: 22px;
  padding: 24px;
  border: 1px solid var(--violet);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--violet) 7%, var(--surface));
  box-shadow: var(--shadow);
}

.decision-console h3 {
  margin: 7px 0 8px;
  font-size: 1.3rem;
}

.decision-console p {
  margin: 0;
  color: var(--soft);
}

.decision-fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 9px;
}

.decision-fields .button {
  align-self: end;
}

.decision-result {
  grid-column: 1 / -1;
  min-height: 78px;
  padding: 16px;
  border: 1px solid var(--line);
  border-left: 5px solid var(--cyan);
  border-radius: 12px;
  background: var(--bg-deep);
  color: var(--soft);
}

.decision-result strong {
  display: block;
  margin-bottom: 4px;
  color: var(--text);
}

.agitation-console {
  border-color: var(--amber);
  background: color-mix(in srgb, var(--amber) 7%, var(--surface));
}

.agitation-console .decision-result {
  border-left-color: var(--amber);
}

.restraint-banner {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  margin-bottom: 22px;
  padding: 14px 16px;
  border: 1px solid var(--amber);
  border-radius: var(--radius-sm);
  background: var(--warning-bg);
  color: var(--soft);
  font-size: 0.86rem;
}

.restraint-banner strong {
  color: var(--amber);
}

.restraint-tabs {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border: 1px solid var(--line);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}

.restraint-panel {
  border: 1px solid var(--line);
  border-top: 0;
  border-radius: 0 0 var(--radius) var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.restraint-panel .clinical-note:last-child {
  margin-bottom: 0;
}

.responsibility-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.responsibility-card {
  padding: 19px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface-2);
}

.responsibility-card span {
  color: var(--cyan);
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 0.7rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.responsibility-card h3 {
  margin: 9px 0 7px;
  font-size: 1rem;
}

.responsibility-card p {
  margin: 0;
  color: var(--soft);
  font-size: 0.82rem;
}

.legal-explainer {
  margin-top: 18px;
  padding: 22px;
  border: 1px solid var(--violet);
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--violet) 7%, var(--surface));
}

.legal-explainer h3 {
  margin-top: 0;
}

.legal-explainer p {
  margin-bottom: 0;
  color: var(--soft);
}

.badge {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--soft);
  font-size: 0.72rem;
  font-weight: 850;
  padding: 7px 11px;
}

.badge.green {
  border-color: color-mix(in srgb, var(--green) 65%, var(--line));
  color: var(--green);
}

.badge.amber {
  border-color: color-mix(in srgb, var(--amber) 65%, var(--line));
  color: var(--amber);
}

.grid,
.two-col,
.three-col,
.scale-grid,
.cause-grid,
.bundle-grid,
.checklist-grid,
.reference-grid {
  display: grid;
  gap: 18px;
}

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

.three-col {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  padding: 24px;
}

.card h3,
.cause-card h3,
.bundle-card h3,
.scale-card h3 {
  margin: 0 0 10px;
  font-size: 1.08rem;
}

.card p,
.cause-card p,
.bundle-card p {
  color: var(--soft);
}

.card ul,
.card ol {
  margin: 14px 0 0;
  padding-left: 21px;
  color: var(--soft);
}

.card li + li {
  margin-top: 8px;
}

.danger-card {
  border-color: color-mix(in srgb, var(--red) 72%, var(--line));
  background: var(--danger-bg);
}

.warning-card {
  border-color: color-mix(in srgb, var(--amber) 72%, var(--line));
  background: var(--warning-bg);
}

.success-card {
  border-color: color-mix(in srgb, var(--green) 72%, var(--line));
  background: var(--success-bg);
}

.flow {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 10px;
  margin-top: 26px;
}

.flow-step {
  position: relative;
  min-width: 0;
  padding: 18px 15px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
}

.flow-step:not(:last-child)::after {
  position: absolute;
  z-index: 2;
  top: 50%;
  right: -9px;
  color: var(--cyan);
  content: "›";
  font-size: 1.5rem;
  font-weight: 900;
  transform: translate(50%, -53%);
}

.flow-step b,
.flow-step span {
  display: block;
}

.flow-step b {
  color: var(--cyan);
  font-size: 0.82rem;
}

.flow-step span {
  margin-top: 6px;
  color: var(--soft);
  font-size: 0.76rem;
}

.formula {
  margin: 20px 0 0;
  padding: 20px;
  border: 1px solid var(--violet);
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--violet) 9%, var(--surface));
  text-align: center;
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: clamp(0.95rem, 2.5vw, 1.25rem);
  font-weight: 900;
}

.table-wrap {
  max-width: 100%;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  -webkit-overflow-scrolling: touch;
}

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

th,
td {
  padding: 14px 15px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  background: var(--surface-2);
  color: var(--cyan);
  font-size: 0.74rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

td {
  color: var(--soft);
  font-size: 0.86rem;
}

td strong {
  color: var(--text);
}

tr:last-child td {
  border-bottom: 0;
}

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

.scale-card {
  padding: 24px;
}

.scale-card.wide {
  grid-column: 1 / -1;
}

.scale-intro {
  margin: 0 0 18px;
  color: var(--soft);
  font-size: 0.88rem;
}

.scale-options {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 7px;
}

.scale-option {
  border: 1px solid var(--line);
  border-radius: 11px;
  background: var(--surface-2);
  color: var(--soft);
  cursor: pointer;
  font-weight: 850;
  padding: 8px 5px;
}

.scale-option:hover,
.scale-option[aria-pressed="true"] {
  border-color: var(--cyan);
  background: var(--info-bg);
  color: var(--cyan);
}

.scale-result {
  min-height: 92px;
  margin-top: 16px;
  padding: 15px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--bg-deep);
  color: var(--soft);
}

.scale-result strong {
  display: block;
  margin-bottom: 4px;
  color: var(--text);
}

.assessment-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.field {
  display: grid;
  gap: 6px;
}

.field label,
.check-group legend {
  color: var(--soft);
  font-size: 0.8rem;
  font-weight: 800;
}

.field select {
  width: 100%;
  min-height: 46px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: var(--surface-2);
  padding: 9px 11px;
}

.check-group {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  border: 0;
}

.check-row {
  display: flex;
  min-width: 0;
  align-items: flex-start;
  gap: 9px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: var(--surface-2);
  color: var(--soft);
  cursor: pointer;
  font-size: 0.83rem;
}

.check-row input {
  flex: 0 0 auto;
  width: 19px;
  height: 19px;
  margin: 1px 0 0;
  accent-color: var(--cyan);
}

.icdsc-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.cause-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.cause-card {
  padding: 20px;
}

.cause-icon {
  font-size: 1.75rem;
}

.cause-card ul {
  margin: 12px 0 0;
  padding-left: 18px;
  color: var(--soft);
  font-size: 0.82rem;
}

.bundle-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.bundle-card {
  position: relative;
  padding: 22px;
  overflow: hidden;
}

.bundle-letter {
  position: absolute;
  right: 12px;
  top: 2px;
  color: color-mix(in srgb, var(--cyan) 22%, transparent);
  font-size: 5.5rem;
  font-weight: 950;
  line-height: 1;
}

.bundle-card h3,
.bundle-card p {
  position: relative;
}

.algorithm {
  display: grid;
  gap: 10px;
  margin-top: 22px;
  counter-reset: algorithm;
}

.algorithm-step {
  display: grid;
  grid-template-columns: 50px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
}

.algorithm-step::before {
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface-2);
  color: var(--amber);
  content: counter(algorithm);
  counter-increment: algorithm;
  font-weight: 950;
}

.algorithm-step h3 {
  margin: 0 0 6px;
  font-size: 1rem;
}

.algorithm-step p {
  margin: 0;
  color: var(--soft);
  font-size: 0.87rem;
}

.clinical-note {
  margin-top: 20px;
  padding: 18px;
  border-left: 4px solid var(--amber);
  border-radius: 0 13px 13px 0;
  background: var(--warning-bg);
  color: var(--soft);
}

.clinical-note strong {
  color: var(--amber);
}

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

.checklist-card {
  display: flex;
  min-width: 0;
  flex-direction: column;
  padding: 22px;
}

.checklist-card h3 {
  margin: 0 0 14px;
  font-size: 1rem;
}

.checklist-card pre {
  flex: 1;
  max-width: 100%;
  margin: 0;
  overflow-x: auto;
  white-space: pre-wrap;
  color: var(--soft);
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 0.76rem;
  line-height: 1.65;
}

.copy-button {
  margin-top: 16px;
}

.study-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 18px;
}

.study-card {
  padding: 24px;
}

.study-card h3 {
  margin-top: 0;
}

.flashcard {
  display: grid;
  min-height: 260px;
  place-items: center;
  padding: 25px;
  border: 1px solid var(--violet);
  border-radius: 18px;
  background: linear-gradient(145deg, var(--surface-2), var(--surface));
  cursor: pointer;
  text-align: center;
}

.flashcard-label {
  color: var(--violet);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.flashcard h4 {
  margin: 14px 0;
  font-size: 1.15rem;
}

.flashcard-answer {
  color: var(--green);
  font-weight: 800;
}

.flashcard-hint {
  color: var(--muted);
  font-size: 0.74rem;
}

.study-controls {
  align-items: center;
  justify-content: space-between;
  margin-top: 14px;
}

.quiz-options {
  display: grid;
  gap: 9px;
}

.quiz-option {
  width: 100%;
  min-height: 48px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface-2);
  color: var(--soft);
  cursor: pointer;
  padding: 11px 13px;
  text-align: left;
}

.quiz-option:hover {
  border-color: var(--violet);
}

.quiz-option.correct {
  border-color: var(--green);
  background: var(--success-bg);
  color: var(--green);
}

.quiz-option.wrong {
  border-color: var(--red);
  background: var(--danger-bg);
  color: var(--red);
}

.quiz-feedback,
.case-answer {
  margin-top: 14px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--bg-deep);
  color: var(--soft);
}

.case-vignette {
  padding: 16px;
  border-left: 4px solid var(--cyan);
  background: var(--info-bg);
  color: var(--soft);
}

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

.reference-card {
  display: block;
  padding: 20px;
  color: var(--text);
  text-decoration: none;
}

.reference-card:hover {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.reference-card strong,
.reference-card span {
  display: block;
}

.reference-card span {
  margin-top: 5px;
  color: var(--muted);
  font-size: 0.8rem;
}

.review-card {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 30px;
  padding: 28px;
  border-color: var(--amber);
  background: var(--warning-bg);
}

.review-card h2 {
  margin: 8px 0 10px;
}

.review-card p,
.review-card ul {
  color: var(--soft);
}

.review-card ul {
  margin: 0;
  padding-left: 20px;
}

.footer {
  padding: 38px 0 calc(38px + env(safe-area-inset-bottom));
  border-top: 1px solid var(--line);
  background: var(--bg-deep);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.footer p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 0.78rem;
}

kbd {
  border: 1px solid var(--line);
  border-bottom-width: 3px;
  border-radius: 6px;
  background: var(--surface-2);
  padding: 2px 6px;
  font-size: 0.7rem;
}

.back-top {
  position: fixed;
  right: max(18px, env(safe-area-inset-right));
  bottom: max(18px, env(safe-area-inset-bottom));
  z-index: 70;
  display: none;
  width: 48px;
  height: 48px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--surface);
  color: var(--cyan);
  cursor: pointer;
  box-shadow: var(--shadow);
  font-weight: 950;
}

.back-top.visible {
  display: block;
}

.live-region {
  position: fixed;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.copy-fallback {
  position: fixed;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.mt-12 {
  margin-top: 12px;
}

.mt-14 {
  margin-top: 14px;
}

.mt-18 {
  margin-top: 18px;
}

.mt-20 {
  margin-top: 20px;
}

html.focus-mode {
  --wrap: 930px;
}

html.focus-mode .hero-panel,
html.focus-mode .review-strip,
html.focus-mode .section-label,
html.focus-mode .badge {
  display: none;
}

html.focus-mode .hero-grid {
  grid-template-columns: minmax(0, 1fr);
}

@media (max-width: 1060px) {
  .nav-links a {
    display: none;
  }

  .hero-grid,
  .study-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-panel {
    max-width: 760px;
  }

  .flow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .flow-step:nth-child(3)::after {
    display: none;
  }

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

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

@media (max-width: 760px) {
  .wrap {
    width: min(calc(100% - 24px), var(--wrap));
  }

  .nav {
    min-height: 64px;
  }

  .brand small {
    display: none;
  }

  .nav-links {
    position: fixed;
    top: calc(65px + env(safe-area-inset-top));
    left: 12px;
    right: 12px;
    display: none;
    max-height: calc(100dvh - 90px);
    overflow-y: auto;
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: var(--surface);
    box-shadow: var(--shadow);
    -webkit-overflow-scrolling: touch;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    display: flex;
  }

  .menu-button {
    display: inline-flex;
  }

  .review-strip .wrap {
    align-items: flex-start;
    flex-direction: column;
  }

  .review-strip a {
    margin-left: 0;
  }

  .hero {
    padding-top: 54px;
  }

  .hero h1 {
    font-size: clamp(2.55rem, 15vw, 4rem);
  }

  .section-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .two-col,
  .three-col,
  .scale-grid,
  .scenario-grid,
  .bundle-grid,
  .checklist-grid,
  .reference-grid,
  .review-card,
  .footer-grid,
  .decision-console {
    grid-template-columns: minmax(0, 1fr);
  }

  .scenario-tabs {
    grid-template-columns: minmax(0, 1fr);
  }

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

  .decision-fields {
    grid-template-columns: minmax(0, 1fr);
  }

  .decision-result {
    grid-column: auto;
  }

  .restraint-banner {
    grid-template-columns: minmax(0, 1fr);
  }

  .scale-card.wide {
    grid-column: auto;
  }

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

  .flow-step:not(:last-child)::after {
    top: auto;
    right: 50%;
    bottom: -13px;
    transform: translate(50%, 50%) rotate(90deg);
  }

  .assessment-grid,
  .icdsc-grid {
    grid-template-columns: minmax(0, 1fr);
  }

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

  .algorithm-step {
    grid-template-columns: 42px minmax(0, 1fr);
  }

  .algorithm-step::before {
    width: 40px;
    height: 40px;
  }

  /*
   * Mobile tables become self-contained cards. This avoids making a learner
   * discover a hidden horizontal scrollbar during an urgent bedside review.
   */
  .table-wrap {
    overflow: visible;
    border: 0;
    background: transparent;
  }

  .table-wrap table,
  .table-wrap tbody,
  .table-wrap tr,
  .table-wrap td {
    display: block;
    width: 100%;
    min-width: 0;
  }

  .table-wrap thead {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    white-space: nowrap;
  }

  .table-wrap tr {
    margin-bottom: 12px;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: var(--surface);
  }

  .table-wrap td {
    display: grid;
    grid-template-columns: minmax(92px, 34%) minmax(0, 1fr);
    gap: 12px;
    padding: 12px;
    overflow-wrap: anywhere;
  }

  .table-wrap td::before {
    color: var(--cyan);
    font-size: 0.69rem;
    font-weight: 900;
    letter-spacing: 0.04em;
    text-transform: uppercase;
  }

  .table-wrap[aria-label="Tabela diferencial de delirium"] td:nth-child(1)::before {
    content: "Condição";
  }

  .table-wrap[aria-label="Tabela diferencial de delirium"] td:nth-child(2)::before {
    content: "Início/curso";
  }

  .table-wrap[aria-label="Tabela diferencial de delirium"] td:nth-child(3)::before {
    content: "Atenção";
  }

  .table-wrap[aria-label="Tabela diferencial de delirium"] td:nth-child(4)::before {
    content: "Pista prática";
  }

  .table-wrap[aria-label="Comparação de instrumentos"] td:nth-child(1)::before {
    content: "Ferramenta";
  }

  .table-wrap[aria-label="Comparação de instrumentos"] td:nth-child(2)::before {
    content: "Onde/quando";
  }

  .table-wrap[aria-label="Comparação de instrumentos"] td:nth-child(3)::before {
    content: "Saída";
  }

  .table-wrap[aria-label="Comparação de instrumentos"] td:nth-child(4)::before {
    content: "Não confundir";
  }

  .table-wrap[aria-label="Tabela de prevenção do delirium"] td:nth-child(1)::before {
    content: "Domínio";
  }

  .table-wrap[aria-label="Tabela de prevenção do delirium"] td:nth-child(2)::before {
    content: "Fazer";
  }

  .table-wrap[aria-label="Tabela de prevenção do delirium"] td:nth-child(3)::before {
    content: "Evitar";
  }

  .table-wrap[aria-label="Tabela terapêutica do delirium"] td:nth-child(1)::before {
    content: "Estratégia";
  }

  .table-wrap[aria-label="Tabela terapêutica do delirium"] td:nth-child(2)::before {
    content: "Quando considerar";
  }

  .table-wrap[aria-label="Tabela terapêutica do delirium"] td:nth-child(3)::before {
    content: "O que não promete";
  }

  .table-wrap[aria-label="Tabela terapêutica do delirium"] td:nth-child(4)::before {
    content: "Monitorar/evitar";
  }
}

@media (max-width: 480px) {
  .brand strong {
    max-width: 155px;
    font-size: 0.82rem;
  }

  .nav-links .icon-button {
    width: 100%;
  }

  .hero-actions .button {
    width: 100%;
  }

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

  .restraint-tabs,
  .responsibility-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .card,
  .scale-card,
  .hero-panel,
  .study-card,
  .checklist-card,
  .scenario-panel,
  .restraint-panel,
  .decision-console {
    padding: 19px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

@media print {
  :root,
  html[data-theme="dark"],
  html[data-theme="light"],
  html.a11y-contrast {
    color-scheme: light;
    --bg: #ffffff;
    --bg-deep: #ffffff;
    --surface: #ffffff;
    --surface-2: #f3f6f8;
    --surface-3: #e8eef3;
    --text: #102a43;
    --soft: #334e68;
    --muted: #526d82;
    --line: #71869a;
    --line-strong: #50677b;
    --cyan: #006d80;
    --blue: #155fb3;
    --violet: #5946c7;
    --green: #087a55;
    --amber: #7a4e00;
    --orange: #9b3f10;
    --red: #b4233f;
    --danger-bg: #fff2f4;
    --warning-bg: #fff8e8;
    --success-bg: #ecfbf5;
    --info-bg: #edf8fc;
    --shadow: none;
  }

  body,
  .hero,
  .section,
  .section.alt {
    background: #ffffff !important;
  }

  .topbar,
  .review-strip,
  .hero-actions,
  .nav-links,
  .menu-button,
  .back-top,
  .study-controls,
  .copy-button {
    display: none !important;
  }

  .hero {
    padding: 28px 0;
  }

  .hero-grid,
  .two-col,
  .three-col,
  .scale-grid,
  .scenario-grid,
  .cause-grid,
  .bundle-grid,
  .checklist-grid,
  .reference-grid,
  .review-card,
  .footer-grid,
  .responsibility-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .scenario-tabs,
  .restraint-tabs,
  .decision-console,
  .decision-fields,
  .restraint-banner {
    display: none !important;
  }

  .scenario-panel[hidden],
  .restraint-panel[hidden] {
    display: block !important;
  }

  .scenario-panel,
  .restraint-panel {
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    box-shadow: none;
    break-inside: avoid;
  }

  .scenario-panel + .scenario-panel,
  .restraint-panel + .restraint-panel {
    margin-top: 16px;
  }

  .hero h1 {
    font-size: 3rem;
  }

  .card,
  .scale-card,
  .cause-card,
  .bundle-card,
  .learning-figure,
  .responsibility-card,
  .checklist-card,
  .reference-card,
  .review-card,
  .hero-panel {
    break-inside: avoid;
    box-shadow: none;
  }

  a {
    color: #102a43;
    text-decoration: none;
  }

  .section {
    padding: 34px 0;
  }
}