:root {
  color-scheme: dark;
  --bg: #080b12;
  --bg-soft: #101827;
  --panel: rgba(18, 27, 43, 0.88);
  --panel-soft: rgba(255, 255, 255, 0.055);
  --panel-strong: rgba(20, 31, 51, 0.98);
  --field: rgba(3, 7, 18, 0.72);
  --ink: #f5f7fb;
  --text: #f5f7fb;
  --muted: #b5c0d3;
  --line: rgba(255, 255, 255, 0.12);
  --green: #2dd4bf;
  --green-dark: #14b8a6;
  --teal: #38bdf8;
  --amber: #f59e0b;
  --red: #fb7185;
  --success: #34d399;
  --warning: #fbbf24;
  --error: #fb7185;
  --focus-ring: rgba(45, 212, 191, 0.48);
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.36);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 20% 10%, rgba(45, 212, 191, 0.2), transparent 28rem),
    radial-gradient(circle at 85% 20%, rgba(139, 92, 246, 0.18), transparent 26rem),
    linear-gradient(135deg, #06080e 0%, #101827 52%, #0d111a 100%);
  color: var(--ink);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  line-height: 1.6;
}

a {
  color: inherit;
}

img {
  display: block;
  max-width: 100%;
}

button,
select,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

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

.skip-link {
  position: absolute;
  left: 16px;
  top: -48px;
  z-index: 20;
  border-radius: 999px;
  background: var(--ink);
  color: var(--bg);
  padding: 10px 14px;
  font-weight: 900;
  text-decoration: none;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 16px;
}

.site-shell {
  width: calc(100% - 32px);
  max-width: 1180px;
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--line);
  background: rgba(8, 11, 18, 0.88);
  backdrop-filter: blur(18px);
}

.nav {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-weight: 900;
  letter-spacing: 0;
  text-decoration: none;
}

.brand img {
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 12px;
  object-fit: cover;
}

.brand span {
  display: block;
  margin-top: 4px;
  color: #f0b96a;
  font-size: 0.8rem;
  font-weight: 800;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}

.nav-links a,
.site-footer a {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.055);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
  color: var(--ink);
  font-size: 0.92rem;
  font-weight: 800;
  overflow: hidden;
  padding: 10px 14px;
  position: relative;
  text-decoration: none;
  transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.nav-links a::before,
.site-footer a::before {
  content: "";
  position: absolute;
  inset: auto 12px 7px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--green), var(--amber));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
}

.nav-links a:hover,
.site-footer a:hover {
  transform: translateY(-1px);
  border-color: rgba(45, 212, 191, 0.55);
  background: rgba(45, 212, 191, 0.11);
}

.nav-links a:hover::before,
.site-footer a:hover::before {
  transform: scaleX(1);
}

.app-shell {
  width: min(1240px, calc(100vw - 32px));
  margin: 28px auto 48px;
}

.study-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 16px;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 800;
}

.study-breadcrumb a {
  color: var(--green);
  text-decoration: none;
}

.study-breadcrumb a:hover {
  text-decoration: underline;
}

.study-breadcrumb [aria-current="page"] {
  color: var(--ink);
}

.topbar {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(45, 212, 191, 0.09), rgba(245, 158, 11, 0.06)),
    var(--panel);
  box-shadow: var(--shadow);
  margin-bottom: 18px;
  padding: 22px;
}

.topbar h1 {
  margin: 4px 0 0;
  font-size: 3.1rem;
  line-height: 1;
  letter-spacing: 0;
}

.eyebrow {
  margin: 0;
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.status-pill {
  min-width: 160px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-soft);
  padding: 10px 12px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
  text-align: center;
  box-shadow: var(--shadow);
}

.layout {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  min-width: 0;
}

.setup-panel,
.workspace {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
  min-width: 0;
  max-width: 100%;
}

.setup-panel {
  position: sticky;
  top: 18px;
  display: grid;
  gap: 14px;
  padding: 18px;
}

.workspace {
  min-height: 640px;
  padding: 20px;
}

.panel-heading,
.control-row,
.quiz-actions,
.results-header,
.quiz-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.panel-heading h2,
.intro-panel h2,
.quiz-header h2,
.results-header h2,
.results-view h3 {
  margin: 0;
}

.panel-heading h2 {
  font-size: 1.1rem;
}

.control-label {
  color: var(--ink);
  font-size: 0.82rem;
  font-weight: 800;
}

select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--field);
  padding: 10px 12px;
  color: var(--ink);
}

input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--field);
  padding: 10px 12px;
  color: var(--ink);
}

.account-panel {
  display: grid;
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
  padding: 12px;
}

.account-form {
  display: grid;
  gap: 8px;
}

.account-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.account-current {
  display: grid;
  gap: 4px;
}

.account-current span,
.account-summary,
.account-name,
.account-role,
.account-status {
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.4;
}

.account-summary {
  display: grid;
  gap: 4px;
}

.account-name {
  color: var(--ink);
  font-size: 0.95rem;
  font-weight: 900;
}

.account-role {
  color: var(--green);
  font-weight: 800;
  text-transform: capitalize;
}

.account-status {
  margin: 0;
}

.control-block {
  display: grid;
  gap: 8px;
}

.domain-list {
  display: grid;
  gap: 8px;
}

.subdomain-list {
  display: grid;
  max-height: 220px;
  overflow: auto;
  gap: 6px;
  padding-right: 4px;
}

.domain-toggle {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 8px;
  align-items: start;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px;
  background: rgba(255, 255, 255, 0.045);
}

.subdomain-toggle {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 8px;
  align-items: start;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px;
  background: var(--field);
  color: var(--ink);
  font-size: 0.78rem;
}

.domain-toggle input {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: var(--green);
}

.subdomain-toggle input {
  width: 16px;
  height: 16px;
  margin-top: 1px;
  accent-color: var(--green);
}

.subdomain-toggle b {
  color: var(--teal);
}

.domain-title {
  display: block;
  font-size: 0.9rem;
  font-weight: 800;
}

.domain-weight {
  color: var(--muted);
  font-size: 0.78rem;
}

.domain-count {
  color: var(--teal);
  font-size: 0.78rem;
  font-weight: 800;
}

.domain-toggle span,
.subdomain-toggle span {
  min-width: 0;
  overflow-wrap: anywhere;
}

.primary-button,
.secondary-button,
.ghost-button,
.text-button {
  border-radius: 8px;
  border: 1px solid transparent;
  min-height: 40px;
  padding: 9px 12px;
  font-weight: 800;
}

.primary-button {
  background: linear-gradient(135deg, var(--green), var(--teal));
  color: #02100d;
  box-shadow: 0 12px 30px rgba(45, 212, 191, 0.2);
}

.primary-button:hover {
  background: linear-gradient(135deg, var(--green-dark), var(--teal));
}

.secondary-button {
  background: rgba(56, 189, 248, 0.14);
  border-color: rgba(56, 189, 248, 0.36);
  color: var(--ink);
}

.secondary-button:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

.ghost-button {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.055);
  color: var(--ink);
}

.text-button {
  min-height: auto;
  padding: 0;
  background: transparent;
  color: var(--green);
}

.setup-note {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.4;
}

.summary-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 18px;
}

.summary-strip > div,
.intro-panel,
.domain-card,
.result-card,
.review-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.045);
}

.summary-strip > div {
  padding: 14px;
}

.metric {
  display: block;
  font-size: 1.6rem;
  font-weight: 900;
}

.metric-label {
  color: var(--muted);
  font-size: 0.82rem;
}

.intro-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 12px;
  margin-bottom: 18px;
}

.intro-panel {
  padding: 18px;
}

.intro-panel h2 {
  font-size: 1.35rem;
}

.intro-panel p {
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.55;
}

.intro-panel.subdued {
  background: rgba(245, 158, 11, 0.08);
}

.domain-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.domain-card {
  display: grid;
  gap: 10px;
  padding: 16px;
}

.domain-card.domain-muted {
  opacity: 0.55;
}

.domain-card h3 {
  margin: 0;
  font-size: 1rem;
}

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

.domain-card .bar {
  height: 8px;
  overflow: hidden;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.09);
}

.domain-card .bar span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--green), var(--teal));
}

.hidden {
  display: none !important;
}

.quiz-view {
  display: grid;
  gap: 16px;
}

.quiz-header h2 {
  margin-top: 6px;
  max-width: 820px;
  font-size: 1.55rem;
  line-height: 1.25;
}

.question-meta {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.timer-status {
  color: var(--amber);
  font-weight: 800;
}

.progress-track {
  height: 10px;
  overflow: hidden;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.09);
}

.progress-fill {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--green), var(--amber));
  transition: width 160ms ease;
}

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

.choice-button {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 10px;
  align-items: start;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
  padding: 14px;
  color: var(--ink);
  text-align: left;
}

.choice-button:hover {
  border-color: rgba(45, 212, 191, 0.58);
  background: rgba(45, 212, 191, 0.08);
}

.choice-button.selected {
  border-color: var(--teal);
  background: rgba(56, 189, 248, 0.12);
}

.choice-button.correct {
  border-color: rgba(52, 211, 153, 0.68);
  background: rgba(52, 211, 153, 0.14);
}

.choice-button.incorrect {
  border-color: rgba(251, 113, 133, 0.7);
  background: rgba(251, 113, 133, 0.13);
}

.choice-key {
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.09);
  color: var(--ink);
  font-weight: 900;
}

.confidence-control {
  margin-top: 2px;
}

.confidence-select {
  max-width: 220px;
}

.feedback {
  border: 1px solid var(--line);
  border-left: 5px solid var(--teal);
  border-radius: 8px;
  padding: 14px;
  background: rgba(56, 189, 248, 0.09);
}

.feedback.correct {
  border-left-color: var(--success);
}

.feedback.incorrect {
  border-left-color: var(--error);
}

.feedback h3 {
  margin: 0 0 8px;
}

.feedback p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.feedback p + p,
.feedback ol + p,
.feedback p + ol {
  margin-top: 10px;
}

.reasoning-list {
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.5;
}

.answer-rationales {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.answer-rationales h4 {
  margin: 0;
}

.answer-rationales ul {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.answer-rationales li {
  display: grid;
  gap: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.045);
  padding: 10px;
}

.answer-rationales li.rationale-correct {
  border-color: rgba(52, 211, 153, 0.48);
  background: rgba(52, 211, 153, 0.12);
}

.answer-rationales li.rationale-selected:not(.rationale-correct) {
  border-color: rgba(251, 113, 133, 0.5);
  background: rgba(251, 113, 133, 0.11);
}

.answer-rationales strong {
  color: var(--ink);
  font-size: 0.84rem;
}

.answer-rationales span {
  color: var(--muted);
  line-height: 1.45;
}

.results-view {
  display: grid;
  gap: 18px;
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.result-card {
  padding: 16px;
}

.result-wide {
  grid-column: 1 / -1;
}

.result-card strong {
  display: block;
  font-size: 1.5rem;
}

.result-card span {
  color: var(--muted);
  font-size: 0.85rem;
}

.score-dashboard {
  display: grid;
  grid-template-columns: minmax(180px, 240px) minmax(0, 1fr);
  gap: 20px;
  align-items: center;
}

.score-chart {
  display: grid;
  justify-items: center;
  gap: 12px;
}

.donut-chart {
  width: 168px;
  aspect-ratio: 1;
  border-radius: 50%;
  background: conic-gradient(var(--success) 0 var(--correct-pct), var(--error) var(--correct-pct) 100%);
  display: grid;
  grid-template-rows: auto auto;
  align-content: center;
  place-items: center;
  row-gap: 4px;
  position: relative;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
}

.donut-chart::after {
  content: "";
  position: absolute;
  width: 104px;
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--panel-strong);
  box-shadow: inset 0 0 0 1px var(--line);
}

.donut-chart strong,
.donut-chart span {
  position: relative;
  z-index: 1;
  text-align: center;
}

.donut-chart strong {
  font-size: 1.8rem;
  line-height: 1;
}

.donut-chart span {
  font-weight: 800;
}

.chart-legend {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}

.chart-legend span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--ink);
  font-weight: 800;
}

.legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.correct-dot {
  background: var(--success);
}

.incorrect-dot {
  background: var(--error);
}

.score-detail {
  display: grid;
  gap: 12px;
}

.score-detail h3,
.domain-performance h3,
.study-plan h3,
.study-plan h4 {
  margin: 0;
}

.score-detail p,
.study-plan p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.stacked-bar,
.domain-score-bar {
  height: 10px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(251, 113, 133, 0.16);
}

.stacked-bar {
  display: flex;
}

.correct-segment,
.incorrect-segment,
.domain-score-bar span {
  display: block;
  height: 100%;
}

.correct-segment,
.domain-score-bar span {
  background: linear-gradient(90deg, var(--green), var(--teal));
}

.incorrect-segment {
  background: var(--error);
}

.domain-performance {
  display: grid;
  gap: 14px;
}

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

.domain-score-row {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) minmax(140px, 280px) 48px;
  align-items: center;
  gap: 12px;
}

.domain-score-row strong {
  display: block;
  font-size: 0.98rem;
}

.domain-score-row span {
  color: var(--muted);
}

.domain-score-row b {
  text-align: right;
}

.study-plan {
  display: grid;
  gap: 18px;
}

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

.study-grid section,
.remediation-list section {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.045);
  padding: 14px;
}

.study-plan ul {
  margin: 10px 0 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.55;
}

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

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

.review-list {
  display: grid;
  gap: 10px;
}

.review-item {
  display: grid;
  gap: 8px;
  padding: 14px;
}

.review-item h4 {
  margin: 0;
}

.review-item p {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.review-badge {
  justify-self: start;
  border-radius: 8px;
  padding: 4px 8px;
  background: rgba(45, 212, 191, 0.14);
  color: var(--green);
  font-size: 0.76rem;
  font-weight: 900;
}

.progress-panel {
  display: grid;
  gap: 14px;
  margin-top: 18px;
  min-width: 0;
}

.progress-panel-heading,
.progress-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-width: 0;
}

.progress-controls {
  flex-wrap: wrap;
  justify-content: flex-end;
}

.progress-controls select {
  width: auto;
  min-width: 170px;
}

.progress-dashboard {
  display: grid;
  gap: 12px;
  min-width: 0;
}

.readiness-summary,
.progress-columns,
.diagnostic-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  min-width: 0;
}

.progress-card,
.admin-diagnostics details {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.045);
  padding: 14px;
  min-width: 0;
}

.progress-card h3 {
  margin: 0 0 10px;
}

.progress-card p,
.progress-card li,
.muted-text {
  color: var(--muted);
  line-height: 1.5;
}

.progress-card p {
  margin: 8px 0 0;
}

.progress-card ul {
  margin: 0;
  padding-left: 18px;
}

.primary-progress {
  background: rgba(45, 212, 191, 0.1);
}

.progress-wide {
  grid-column: 1 / -1;
}

.progress-chart {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(42px, 1fr));
  align-items: end;
  gap: 8px;
  min-height: 170px;
  padding-top: 8px;
}

.progress-bar-column {
  display: grid;
  grid-template-rows: 120px auto auto;
  align-items: end;
  gap: 6px;
  text-align: center;
}

.progress-bar-column span {
  display: block;
  width: 100%;
  border-radius: 8px 8px 0 0;
  background: linear-gradient(180deg, var(--teal), var(--green));
}

.progress-bar-column b,
.progress-bar-column em {
  overflow-wrap: anywhere;
  color: var(--muted);
  font-size: 0.68rem;
  font-style: normal;
}

.progress-table {
  display: grid;
  gap: 6px;
  min-width: 0;
  max-width: 100%;
  overflow-x: auto;
}

.progress-table-head,
.progress-table-row {
  display: grid;
  grid-template-columns: minmax(180px, 1.4fr) repeat(5, minmax(90px, 0.7fr));
  gap: 8px;
  align-items: center;
  min-width: 720px;
  border-bottom: 1px solid var(--line);
  padding: 7px 0;
}

.progress-table-head {
  color: var(--ink);
  font-size: 0.75rem;
  font-weight: 900;
  text-transform: uppercase;
}

.progress-table-row {
  color: var(--muted);
  font-size: 0.86rem;
}

.progress-table-row b {
  color: var(--ink);
}

.admin-diagnostics {
  display: grid;
  gap: 10px;
}

.admin-diagnostics summary {
  cursor: pointer;
  font-weight: 900;
}

.diagnostic-grid article {
  display: grid;
  gap: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.045);
  padding: 10px;
}

.diagnostic-grid strong {
  font-size: 1.3rem;
}

.diagnostic-grid span {
  color: var(--muted);
  font-size: 0.8rem;
}

.admin-diagnostics pre {
  overflow: auto;
  max-height: 220px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--field);
  padding: 10px;
  color: var(--muted);
}

.site-footer {
  border-top: 1px solid var(--line);
  background: rgba(8, 11, 18, 0.74);
  color: var(--muted);
  padding: 28px 0;
}

.site-footer .site-shell {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.footer-social-joke {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.social-muted-icons {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 6px;
}

.social-muted-icon {
  position: relative;
  display: inline-grid;
  width: 30px;
  height: 30px;
  place-items: center;
  border: 1px solid rgba(181, 192, 211, 0.28);
  border-radius: 8px;
  color: rgba(181, 192, 211, 0.52);
  font-size: 0.68rem;
  font-weight: 900;
}

.social-muted-icon::after {
  content: "";
  position: absolute;
  width: 130%;
  height: 2px;
  border-radius: 999px;
  background: rgba(251, 113, 133, 0.72);
  transform: rotate(-38deg);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

@media (max-width: 960px) {
  .nav {
    align-items: stretch;
    flex-direction: column;
    padding: 16px 0;
  }

  .brand {
    width: 100%;
  }

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

  .nav-links a {
    min-width: 0;
    white-space: normal;
  }

  .layout {
    grid-template-columns: 1fr;
  }

  .setup-panel {
    position: static;
  }

  .domain-grid,
  .intro-grid,
  .score-dashboard,
  .study-grid,
  .results-grid,
  .readiness-summary,
  .progress-columns,
  .diagnostic-grid {
    grid-template-columns: 1fr;
  }

  .progress-panel-heading {
    align-items: stretch;
    flex-direction: column;
  }

  .domain-score-row {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .domain-score-row b {
    text-align: left;
  }
}

@media (max-width: 640px) {
  .app-shell {
    width: min(100% - 20px, 1240px);
    margin: 10px auto;
  }

  .site-shell {
    width: calc(100% - 32px);
  }

  .nav-links {
    grid-template-columns: 1fr;
  }

  .topbar,
  .panel-heading,
  .quiz-header,
  .results-header,
  .quiz-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .panel-heading .ghost-button,
  .quiz-actions button,
  .progress-panel-heading button,
  .progress-panel-heading select {
    width: 100%;
    min-width: 0;
  }

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

  .topbar h1 {
    font-size: 2.2rem;
  }

  .workspace,
  .setup-panel {
    padding: 14px;
  }

  .choice-button {
    grid-template-columns: 28px minmax(0, 1fr);
    overflow-wrap: anywhere;
  }
}