.exam-page,
.exam-page__content,
.exam-type-detail {
  position: relative;
  --exam-glow-cyan: #53d7ff;
  --exam-glow-violet: #9f7bff;
  --exam-glow-green: #5cffb1;
  --exam-panel-line: color-mix(in srgb, var(--exam-glow-cyan) 34%, var(--color-border-subtle));
  --exam-font-display: "Segoe UI Variable Display", "Segoe UI", "Inter", "Noto Sans", Arial, sans-serif;
  --exam-font-read: "Segoe UI Variable Text", "Segoe UI", "Inter", "Noto Sans", Arial, sans-serif;
  --exam-font-data: "JetBrains Mono", "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
  font-family: var(--exam-font-read);
}

body:has(.exam-page) .site-main,
body:has(.exam-type-detail) .site-main {
  position: relative;
  isolation: isolate;
  background: transparent;
}

body:has(.exam-page) .site-main > .section,
body:has(.exam-type-detail) .site-main > .section {
  position: relative;
  z-index: 1;
}

body[data-theme="day"]:has(.exam-page) .site-main,
body[data-theme="day"]:has(.exam-type-detail) .site-main {
  background: transparent;
}

.exam-page {
  padding-top: var(--space-5);
}

.exam-page__workspace {
  display: grid;
  gap: var(--space-4);
}

.exam-page__header {
  display: grid;
  gap: 6px;
}

.exam-page__title {
  margin: 0;
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.02;
  font-family: var(--exam-font-display);
  font-weight: 820;
  letter-spacing: 0.005em;
  background: linear-gradient(90deg, var(--color-text-primary), var(--exam-glow-cyan) 46%, var(--exam-glow-violet));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: 0 0 28px color-mix(in srgb, var(--exam-glow-cyan) 22%, transparent);
}

.exam-summary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-3);
}

.exam-summary-card {
  position: relative;
  overflow: hidden;
  display: grid;
  gap: 10px;
  min-height: 128px;
  padding: 16px;
  border: 1px solid var(--exam-panel-line);
  border-radius: var(--radius-md);
  background:
    linear-gradient(145deg, color-mix(in srgb, var(--exam-glow-cyan) 8%, transparent), transparent 42%),
    linear-gradient(180deg, color-mix(in srgb, var(--color-surface-1) 96%, transparent), var(--color-surface-1));
  box-shadow:
    inset 0 1px 0 color-mix(in srgb, #ffffff 8%, transparent),
    0 14px 34px color-mix(in srgb, var(--exam-glow-cyan) 10%, transparent);
}

.exam-summary-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 3px;
  background: linear-gradient(90deg, var(--exam-glow-cyan), var(--exam-glow-violet), var(--exam-glow-green));
  opacity: 0.78;
}

.exam-summary-card__label {
  margin: 0;
  color: var(--color-text-muted);
  font-family: var(--exam-font-data);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.exam-summary-card__value {
  font-size: 30px;
  font-family: var(--exam-font-data);
  font-weight: 800;
  line-height: 1;
  color: color-mix(in srgb, var(--color-text-primary) 82%, var(--exam-glow-cyan));
}

.exam-summary-card__progress {
  margin-top: auto;
}

.exam-page .progress-bar,
.exam-page__content .progress-bar,
.exam-type-detail .progress-bar {
  height: 12px;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--color-bg-app) 70%, transparent), color-mix(in srgb, var(--color-surface-2) 84%, transparent));
  border-color: color-mix(in srgb, var(--exam-glow-cyan) 30%, var(--color-border-subtle));
  box-shadow:
    inset 0 0 0 1px color-mix(in srgb, #000000 18%, transparent),
    inset 0 0 18px color-mix(in srgb, var(--exam-glow-cyan) 9%, transparent);
}

.exam-page .progress-bar .fill,
.exam-page__content .progress-bar .fill,
.exam-type-detail .progress-bar .fill {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(90deg, var(--exam-glow-cyan) 0%, var(--exam-glow-green) 54%, var(--exam-glow-violet) 100%);
  box-shadow:
    inset 0 1px 0 color-mix(in srgb, #ffffff 34%, transparent),
    0 0 14px color-mix(in srgb, var(--exam-glow-cyan) 30%, transparent);
}

.exam-page .progress-bar .fill::after,
.exam-page__content .progress-bar .fill::after,
.exam-type-detail .progress-bar .fill::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, color-mix(in srgb, #ffffff 32%, transparent), transparent 48%);
  mix-blend-mode: screen;
  opacity: 0.52;
}

.exam-summary-card__note {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 13px;
  line-height: 1.45;
}

.exam-summary-list {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 6px;
  color: var(--color-text-secondary);
  font-size: 13px;
  line-height: 1.35;
}

.exam-page__content {
  padding-top: var(--space-4);
}

.exam-blocks {
  display: grid;
  gap: var(--space-5);
}

.exam-layout-section {
  display: grid;
  gap: var(--space-3);
}

.exam-section-heading__title {
  margin: 0;
  font-family: var(--exam-font-display);
  font-size: 23px;
  font-weight: 780;
  line-height: 1.2;
  letter-spacing: 0.005em;
}

.exam-actions-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
}

.exam-action-card,
.exam-type-card {
  position: relative;
  overflow: hidden;
  display: grid;
  gap: 12px;
  padding: 16px;
  border: 1px solid var(--exam-panel-line);
  border-radius: var(--radius-md);
  background: var(--color-surface-1);
}

.exam-action-card::before,
.exam-type-card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, color-mix(in srgb, var(--exam-glow-cyan) 18%, transparent), transparent 22%),
    linear-gradient(180deg, color-mix(in srgb, #ffffff 7%, transparent), transparent 30%);
  opacity: 0;
  transition: opacity 0.18s ease;
}

.exam-action-card {
  grid-template-rows: 1fr auto;
  border-color: color-mix(in srgb, var(--exam-glow-cyan) 38%, var(--color-border-subtle));
  background:
    linear-gradient(
      135deg,
      color-mix(in srgb, var(--exam-glow-cyan) 14%, var(--color-surface-2)),
      color-mix(in srgb, var(--exam-glow-violet) 8%, var(--color-surface-2)) 54%,
      color-mix(in srgb, var(--color-accent-primary) 4%, var(--color-surface-2))
    );
}

.exam-action-card--primary {
  border-color: color-mix(in srgb, var(--exam-glow-green) 48%, var(--color-border-subtle));
  background:
    linear-gradient(
      135deg,
      color-mix(in srgb, var(--exam-glow-green) 18%, var(--color-surface-2)),
      color-mix(in srgb, var(--exam-glow-cyan) 12%, var(--color-surface-2)) 48%,
      color-mix(in srgb, var(--exam-glow-violet) 7%, var(--color-surface-2))
    );
  box-shadow: 0 18px 40px color-mix(in srgb, var(--exam-glow-green) 12%, transparent);
}

.exam-action-card__body {
  display: grid;
  gap: 6px;
}

.exam-action-card__title,
.exam-type-card__title {
  margin: 0;
  font-family: var(--exam-font-display);
  font-size: 18px;
  font-weight: 780;
  line-height: 1.18;
}

.exam-action-card__text,
.exam-type-card__description {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: 14px;
  line-height: 1.5;
}

.exam-action-card__button {
  width: 100%;
  justify-self: stretch;
  align-self: end;
  justify-content: center;
  text-align: center;
}

.exam-secondary-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 12px;
}

.exam-secondary-actions__title {
  margin: 0;
  color: var(--color-text-muted);
  font-family: var(--exam-font-data);
  font-size: 12px;
  font-weight: 700;
}

.variant-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.exam-types-grid {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: 1fr;
}

.exam-type-card {
  color: inherit;
  background:
    linear-gradient(145deg, color-mix(in srgb, var(--exam-glow-violet) 7%, transparent), transparent 36%),
    var(--color-surface-1);
  gap: 12px;
  padding: 16px;
  text-decoration: none;
  box-shadow: 0 12px 28px color-mix(in srgb, var(--exam-glow-violet) 7%, transparent);
  transition: border-color 0.15s ease, background-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}

.exam-type-card:hover {
  border-color: color-mix(in srgb, var(--exam-glow-cyan) 58%, var(--color-border-subtle));
  background:
    linear-gradient(145deg, color-mix(in srgb, var(--exam-glow-cyan) 11%, transparent), transparent 42%),
    color-mix(in srgb, var(--color-accent-primary) 5%, var(--color-surface-1));
  box-shadow:
    0 16px 34px color-mix(in srgb, var(--exam-glow-cyan) 13%, transparent),
    inset 0 0 0 1px color-mix(in srgb, var(--exam-glow-cyan) 14%, transparent);
  transform: translateY(-1px);
}

.exam-action-card:hover::before,
.exam-type-card:hover::before {
  opacity: 1;
}

.exam-type-card__header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 16px;
}

.exam-type-card__heading {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0 5px;
  min-width: 0;
}

.exam-type-card__separator {
  color: var(--color-text-muted);
  font-weight: 700;
}

.exam-type-card__heading .exam-type-card__description {
  flex: 1 1 auto;
  min-width: 180px;
}

.exam-type-card__description {
  overflow-wrap: anywhere;
}

.exam-type-card__score {
  justify-self: end;
}

.exam-type-card__meta {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 14px;
  min-width: max-content;
}

.exam-type-card__score-value {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 50px;
  min-height: 30px;
  padding: 0 9px;
  border-radius: var(--radius-pill);
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--exam-glow-cyan) 22%, var(--color-surface-2)), color-mix(in srgb, var(--exam-glow-violet) 16%, var(--color-surface-2)));
  border: 1px solid color-mix(in srgb, var(--exam-glow-cyan) 36%, transparent);
  color: var(--color-text-primary);
  font-family: var(--exam-font-data);
  font-size: 13px;
  font-weight: 800;
}

.exam-type-card__score-muted {
  color: var(--color-text-muted);
  font-family: var(--exam-font-data);
  font-weight: 700;
}

.exam-type-card__status {
  flex: 0 0 auto;
  min-height: 22px;
  padding: 2px 9px;
  gap: 0;
  font-family: var(--exam-font-data);
  font-size: 11px;
  font-weight: 700;
  line-height: 1.15;
  white-space: nowrap;
}

.exam-type-card__status.is-strong {
  border-color: color-mix(in srgb, var(--color-success) 55%, var(--color-border-subtle));
  color: var(--color-success);
}

.exam-type-card__status.is-medium {
  border-color: color-mix(in srgb, var(--color-warning) 55%, var(--color-border-subtle));
  color: var(--color-warning);
}

.exam-type-card__status.is-weak {
  border-color: color-mix(in srgb, var(--color-danger) 55%, var(--color-border-subtle));
  color: var(--color-danger);
}

.exam-type-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px 7px;
}

.exam-type-card__tags .type-tag {
  display: inline-flex;
  align-items: center;
  min-height: 22px;
  padding: 3px 7px;
  border: 1px solid color-mix(in srgb, var(--exam-glow-cyan) 36%, var(--color-border-subtle));
  border-radius: 4px;
  background: color-mix(in srgb, var(--color-surface-2) 44%, transparent);
  color: var(--color-text-secondary);
  font-family: var(--exam-font-data);
  font-size: 11px;
  font-weight: 650;
  line-height: 1.15;
}

.exam-type-card__tags .type-tag::before {
  background: linear-gradient(90deg, color-mix(in srgb, var(--exam-glow-cyan) 58%, transparent), color-mix(in srgb, var(--exam-glow-green) 42%, transparent));
  opacity: 0.42;
}

.exam-type-card__tags .type-tag__label {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.exam-skeleton {
  display: grid;
  gap: var(--space-3);
}

.exam-skeleton__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
}

.exam-type-detail {
  padding-top: var(--space-5);
}

.exam-type-detail__container {
  display: grid;
  gap: var(--space-4);
}

.exam-type-detail__header {
  display: grid;
  gap: 6px;
}

.exam-type-detail__back {
  width: fit-content;
  color: var(--color-text-muted);
  font-size: 13px;
  text-decoration: none;
}

.exam-type-detail__back:hover {
  color: var(--color-text-primary);
}

.exam-type-detail__title {
  margin: 0;
  font-size: clamp(26px, 3vw, 34px);
  font-family: var(--exam-font-display);
  font-weight: 800;
  line-height: 1.08;
}

.exam-type-detail__meta {
  margin: 0;
  font-size: 14px;
}

.exam-type-detail__tasks {
  display: grid;
  gap: var(--space-3);
}

.exam-type-detail__task {
  gap: 12px;
  padding: 18px 22px;
  border-radius: var(--radius-md);
}

.exam-type-detail__task-title {
  margin: 0;
  font-size: clamp(24px, 3vw, 32px);
  font-family: var(--exam-font-display);
  font-weight: 780;
  line-height: 1.08;
  color: var(--color-text-primary);
}

.exam-type-detail__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.exam-type-detail .chip {
  padding: 5px 11px;
  font-family: var(--exam-font-data);
  font-size: 11px;
}

.exam-type-detail .task-description {
  margin-top: 2px;
}

.exam-type-detail .task-statement {
  gap: var(--space-3);
  padding: 16px 20px;
}

.exam-type-detail .task-statement__body {
  line-height: 1.5;
}

.exam-type-detail .task-statement__body p,
.exam-type-detail .task-statement__body ul,
.exam-type-detail .task-statement__body ol,
.exam-type-detail .task-statement__body blockquote,
.exam-type-detail .task-statement__body pre,
.exam-type-detail .task-statement__body table,
.exam-type-detail .task-statement__body .katex-display {
  margin-bottom: var(--space-3);
}

.exam-type-detail .task-statement__attachments {
  gap: var(--space-2);
  padding: var(--space-3);
}

.exam-type-detail__footer {
  display: flex;
  justify-content: center;
  padding: var(--space-2) 0 var(--space-3);
}

.exam-type-detail__to-top {
  color: var(--color-text-muted);
  text-decoration: none;
}

.exam-type-detail__to-top:hover {
  color: var(--color-text-primary);
}

.skeleton {
  border-radius: var(--radius-sm);
  background:
    linear-gradient(90deg, color-mix(in srgb, var(--color-surface-2) 92%, transparent), color-mix(in srgb, var(--color-border-subtle) 52%, transparent), color-mix(in srgb, var(--color-surface-2) 92%, transparent));
  background-size: 200% 100%;
  animation: exam-skeleton-wave 1.25s linear infinite;
}

.skeleton-title {
  height: 24px;
  width: min(260px, 100%);
}

.skeleton-row {
  height: 12px;
  width: 100%;
}

.skeleton-card {
  height: 128px;
}

@keyframes exam-skeleton-wave {
  0% {
    background-position: 100% 0;
  }
  100% {
    background-position: -100% 0;
  }
}

@media (max-width: 980px) {
  .exam-summary-grid,
  .exam-actions-grid,
  .exam-types-grid,
  .exam-skeleton__grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 860px) {
  .exam-type-card__header {
    grid-template-columns: 1fr auto;
  }

  .exam-type-card__score {
    justify-self: end;
  }
}

@media (max-width: 640px) {
  .exam-page {
    padding-top: var(--space-4);
  }

  .exam-type-detail {
    padding-top: var(--space-4);
  }

  .exam-type-detail__task {
    padding: 14px;
  }

  .exam-type-detail .task-statement {
    padding: 14px;
  }

  .exam-summary-card {
    min-height: auto;
  }

  .exam-type-card__header {
    align-items: start;
  }
}