:root {
  --md-grid-width: 96vw;
  --roadmap-teal: #0f766e;
  --roadmap-teal-dark: #0b5f58;
  --roadmap-ink: #1d2a24;
  --roadmap-muted: #5d6d66;
  --roadmap-line: rgba(15, 118, 110, 0.22);
  --roadmap-soft: #f2fbf9;
  --roadmap-gold: #f59e0b;
}

.md-grid {
  max-width: 96vw;
}

.md-main__inner {
  column-gap: clamp(0.75rem, 1.4vw, 1.25rem);
  margin-left: clamp(0.5rem, 1vw, 1rem);
  margin-right: clamp(0.5rem, 1vw, 1rem);
}

.md-content {
  flex: 1 1 auto;
  max-width: none;
  min-width: 0;
}

.md-content__inner {
  margin-left: clamp(0.5rem, 1vw, 1.2rem);
  margin-right: clamp(0.5rem, 1vw, 1.2rem);
}

@media (min-width: 76.25em) {
  .md-sidebar--primary {
    width: clamp(10.5rem, 12vw, 13rem);
  }

  .md-sidebar--secondary {
    width: clamp(9.5rem, 10vw, 11.5rem);
  }
}

.md-typeset h1,
.md-typeset h2,
.md-typeset h3 { letter-spacing: 0; }

.roadmap-diagram {
  width: 100%;
  margin: 1rem 0 1.25rem;
  border: 1px solid var(--roadmap-line);
  border-radius: 8px;
  padding: 1rem;
  background: var(--roadmap-soft);
  overflow-x: auto;
}

.md-typeset .roadmap-diagram .mermaid {
  min-width: 56rem;
  text-align: center;
}

.md-typeset .roadmap-diagram--part .mermaid {
  min-width: 62rem;
}

.md-typeset .roadmap-diagram .mermaid svg {
  width: 100% !important;
  max-width: none !important;
  height: auto !important;
}

.md-typeset .roadmap-diagram .mermaid text {
  font-size: 17px !important;
}

.md-header__button.md-logo img,
.md-header__button.md-logo svg {
  width: 2.15rem;
  height: 2.15rem;
  border-radius: 6px;
  object-fit: contain;
}

.roadmap-hero,
.exam-hero {
  border: 1px solid var(--roadmap-line);
  border-radius: 8px;
  padding: 1.25rem;
  background: linear-gradient(135deg, rgba(15, 118, 110, 0.10), rgba(245, 158, 11, 0.10));
}

.roadmap-hero__avatar {
  float: right;
  width: clamp(5rem, 18vw, 7.5rem);
  height: clamp(5rem, 18vw, 7.5rem);
  margin: 0 0 0.75rem 1rem;
  border-radius: 8px;
}

.roadmap-hero__title {
  margin: 0;
  font-size: 1.75rem;
  line-height: 1.18;
}

.stage-badge {
  display: inline-block;
  min-width: 2.25rem;
  padding: 0.1rem 0.45rem;
  border-radius: 6px;
  color: #fff;
  background: var(--roadmap-teal);
  font-weight: 700;
  text-align: center;
}

.exam-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 1rem 0;
  max-width: 100%;
}

.md-typeset .exam-actions p {
  display: contents;
  margin: 0;
}

.exam-actions--part {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 12.5rem), 1fr));
}

.exam-actions--single {
  display: flex;
}

.exam-actions--single a {
  width: fit-content;
  min-width: min(100%, 12rem);
}

.exam-actions--compact {
  align-items: center;
}

.exam-actions a,
.exam-actions button,
.exam-secondary,
.exam-filterbar button,
#exam-start,
#exam-check,
#exam-prev,
#exam-next,
#exam-finish {
  border: 0;
  border-radius: 6px;
  padding: 0.62rem 0.9rem;
  color: #fff;
  background: var(--roadmap-teal);
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  max-width: 100%;
  min-width: 0;
  line-height: 1.25;
  overflow-wrap: anywhere;
  text-align: center;
  white-space: normal;
}

.exam-actions a:hover,
.exam-actions button:hover,
.exam-secondary:hover,
.exam-filterbar button:hover,
#exam-start:hover,
#exam-check:hover,
#exam-prev:hover,
#exam-next:hover,
#exam-finish:hover {
  background: var(--roadmap-teal-dark);
}

.exam-shell {
  display: grid;
  gap: 1rem;
}

.exam-app {
  container-type: inline-size;
}

.exam-hero--modern {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.exam-hero--modern h2 {
  margin: 0.1rem 0 0.35rem;
  font-size: clamp(1.45rem, 2vw, 2rem);
  line-height: 1.15;
}

.exam-hero--modern p {
  max-width: 58rem;
}

.exam-summary-card {
  flex: 0 0 auto;
  min-width: 8.5rem;
  border: 1px solid var(--roadmap-line);
  border-radius: 8px;
  padding: 0.9rem;
  background: var(--md-default-bg-color);
  text-align: center;
}

.exam-summary-card strong {
  display: block;
  color: var(--roadmap-teal);
  font-size: 2rem;
  line-height: 1;
}

.exam-summary-card span {
  color: var(--roadmap-muted);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.exam-panel,
.exam-card,
.exam-question,
.exam-review {
  border: 1px solid var(--roadmap-line);
  border-radius: 8px;
  padding: 1rem;
  background: var(--md-default-bg-color);
}

.exam-config {
  padding: 0.85rem;
}

.exam-app--fixed #exam-stage-label,
.exam-app--fixed #exam-part-label {
  display: none;
}

.exam-controls {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr));
  gap: 0.75rem;
  align-items: end;
}

.exam-controls label {
  display: grid;
  gap: 0.25rem;
  color: var(--roadmap-muted);
  font-size: 0.82rem;
  font-weight: 700;
}

.exam-controls select,
.exam-input {
  width: 100%;
  border: 1px solid var(--roadmap-line);
  border-radius: 6px;
  padding: 0.62rem;
  color: var(--md-default-fg-color);
  background: var(--md-default-bg-color);
}

.exam-progress {
  height: 0.65rem;
  border-radius: 999px;
  background: rgba(15, 118, 110, 0.16);
  overflow: hidden;
}

.exam-progress span {
  display: block;
  width: 0;
  height: 100%;
  background: var(--roadmap-teal);
  transition: width 160ms ease;
}

.exam-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 0.8rem;
  margin-top: 1rem;
}

.exam-status-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
}

.exam-overview {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  border: 1px solid var(--roadmap-line);
  border-radius: 8px;
  padding: 0.65rem;
  background: var(--md-default-bg-color);
}

.exam-overview:empty {
  display: none;
}

.exam-step {
  width: 2.6rem;
  min-height: 2.5rem;
  border: 1px solid var(--roadmap-line);
  border-radius: 6px;
  color: var(--md-default-fg-color);
  background: rgba(15, 118, 110, 0.04);
  cursor: pointer;
}

.exam-step span,
.exam-step small {
  display: block;
  line-height: 1.05;
}

.exam-step span {
  font-weight: 800;
}

.exam-step small {
  color: var(--roadmap-muted);
  font-size: 0.68rem;
}

.exam-step.active {
  border-color: var(--roadmap-teal);
  background: rgba(15, 118, 110, 0.14);
  box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.14);
}

.exam-step.answered span {
  color: var(--roadmap-teal);
}

.exam-directory {
  margin-top: 1.5rem;
}

.exam-stage-group {
  border: 1px solid var(--roadmap-line);
  border-radius: 8px;
  margin: 0.8rem 0;
  padding: 0.75rem 1rem;
  background: var(--md-default-bg-color);
}

.exam-stage-group > summary {
  color: var(--md-default-fg-color);
  cursor: pointer;
  font-weight: 800;
}

.exam-directory-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 18rem), 1fr));
  gap: 0.8rem;
  margin-top: 0.8rem;
}

.exam-directory-card h3 {
  margin: 0.2rem 0 0.35rem;
  font-size: 1rem;
  line-height: 1.25;
}

.exam-directory-card p {
  margin: 0.35rem 0;
  color: var(--roadmap-muted);
  font-size: 0.85rem;
}

.exam-card {
  border-left: 4px solid var(--roadmap-teal);
}

.exam-card--active {
  border-left-width: 6px;
}

.exam-kicker {
  margin: 0 0 0.25rem;
  color: var(--roadmap-teal);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.exam-choice-list {
  display: grid;
  gap: 0.55rem;
  margin: 1rem 0;
}

.exam-choice {
  border: 1px solid var(--roadmap-line);
  border-radius: 6px;
  padding: 0.75rem;
  color: var(--md-default-fg-color);
  background: rgba(15, 118, 110, 0.04);
  text-align: left;
  cursor: pointer;
}

.exam-choice.selected {
  outline: 3px solid rgba(15, 118, 110, 0.28);
  background: rgba(15, 118, 110, 0.12);
}

.modern-question h3 {
  margin: 0.65rem 0 0.4rem;
  font-size: 1.15rem;
  line-height: 1.35;
}

.level-chip {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  border-radius: 999px;
  padding: 0.18rem 0.55rem;
  color: #fff;
  background: var(--roadmap-teal);
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
}

.exam-source {
  border-left: 3px solid var(--roadmap-line);
  margin: 0.6rem 0 0.9rem;
  padding-left: 0.75rem;
  color: var(--roadmap-muted);
  font-size: 0.84rem;
}

.exam-stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr));
  gap: 0.75rem;
  margin: 1rem 0;
}

.exam-stat {
  border: 1px solid var(--roadmap-line);
  border-radius: 8px;
  padding: 0.85rem;
  background: var(--md-default-bg-color);
}

.exam-stat strong {
  display: block;
  color: var(--roadmap-teal);
  font-size: 1.45rem;
  line-height: 1;
}

.exam-stat span {
  color: var(--roadmap-muted);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
}

.exam-filterbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 1rem 0;
}

.exam-filterbar button.active {
  background: var(--roadmap-teal-dark);
  box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.18);
}

.standalone-progress {
  margin: 0.75rem 0 1rem;
}

.standalone-question-grid {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 22rem), 1fr));
}

.standalone-question h2 {
  margin: 0.45rem 0;
  font-size: 1rem;
  line-height: 1.35;
}

.question-meta,
.exam-question-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
}

.question-meta {
  justify-content: space-between;
  color: var(--roadmap-muted);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.question-support {
  color: var(--roadmap-muted);
  font-size: 0.84rem;
}

.exam-complete {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  text-transform: none;
}

.exam-textarea {
  width: 100%;
  min-height: 7rem;
  border: 1px solid var(--roadmap-line);
  border-radius: 6px;
  padding: 0.75rem;
  color: var(--md-default-fg-color);
  background: var(--md-default-bg-color);
  resize: vertical;
}

.exam-guide {
  margin-top: 0.75rem;
}

.exam-guide summary {
  color: var(--roadmap-teal);
  cursor: pointer;
  font-weight: 800;
}

.exam-result {
  color: var(--roadmap-muted);
  font-weight: 800;
}

.standalone-question.is-correct {
  box-shadow: inset 0 0 0 2px rgba(15, 118, 110, 0.24);
}

.standalone-question.is-review {
  box-shadow: inset 0 0 0 2px rgba(245, 158, 11, 0.30);
}

.exam-feedback .is-correct,
.exam-review-item.correct {
  border-left: 4px solid var(--roadmap-teal);
  padding: 0.7rem;
  background: rgba(15, 118, 110, 0.10);
}

.exam-feedback .is-review,
.exam-review-item.review {
  border-left: 4px solid var(--roadmap-gold);
  padding: 0.7rem;
  background: rgba(245, 158, 11, 0.10);
}

.standalone-exam {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, sans-serif;
  line-height: 1.55;
  background: #f6fbfa;
  color: var(--roadmap-ink);
}

.standalone-exam__main {
  max-width: 1180px;
  margin: 0 auto;
  padding: 1.25rem;
}

.md-typeset table:not([class]) { font-size: 0.78rem; }

@media (max-width: 40rem) {
  .roadmap-hero__avatar {
    float: none;
    display: block;
    margin: 0 0 0.9rem;
  }

  .exam-hero--modern,
  .exam-status-grid {
    grid-template-columns: 1fr;
    display: grid;
  }

  .exam-summary-card {
    text-align: left;
  }
}