.archive-shell {
  padding-bottom: 2.5rem;
}

.archive-back {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin-bottom: 1.75rem;
  color: var(--global-text-color-light);
  font-family: 'Roboto Mono', monospace;
  font-size: 0.75rem;
  text-decoration: none;
}

.archive-back:hover {
  color: var(--global-theme-color);
  text-decoration: none;
}

.archive-hero {
  max-width: 720px;
  margin-bottom: 2.25rem;
}

.archive-eyebrow,
.course-code,
.entry-kind {
  margin: 0 0 0.45rem;
  color: var(--global-theme-color);
  font-family: 'Roboto Mono', monospace;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  line-height: 1.4;
  text-transform: uppercase;
}

.archive-hero h1 {
  margin: 0 0 0.65rem;
  font-size: clamp(2.15rem, 6vw, 3.25rem);
  font-weight: 300;
  letter-spacing: -0.035em;
  line-height: 1.08;
}

.archive-lede {
  max-width: 620px;
  margin: 0;
  color: var(--global-text-color-light);
  font-size: 1.03rem;
}

.archive-course {
  overflow: hidden;
  border: 1px solid var(--global-divider-color);
  border-radius: 0.35rem;
  background: var(--global-card-bg-color);
}

.course-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 2rem;
  padding: 1.5rem;
  border-bottom: 1px solid var(--global-divider-color);
}

.course-heading h2 {
  max-width: 670px;
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 1.35rem;
  font-weight: 500;
  line-height: 1.35;
}

.course-stats {
  display: flex;
  flex: 0 0 auto;
  gap: 1.5rem;
  margin: 0;
}

.course-stats div {
  min-width: 3.25rem;
}

.course-stats dt {
  margin-bottom: 0.15rem;
  color: var(--global-text-color-light);
  font-family: 'Roboto Mono', monospace;
  font-size: 0.62rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.course-stats dd {
  margin: 0;
  font-family: 'Roboto Mono', monospace;
  font-size: 1.1rem;
  font-weight: 500;
}

.archive-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--global-divider-color);
}

.archive-search {
  position: relative;
  flex: 1 1 300px;
  max-width: 360px;
  margin: 0;
}

.archive-search i {
  position: absolute;
  top: 50%;
  left: 0.85rem;
  color: var(--global-text-color-light);
  font-size: 0.75rem;
  pointer-events: none;
  transform: translateY(-50%);
}

.archive-search input {
  width: 100%;
  min-height: 2.35rem;
  padding: 0.5rem 0.8rem 0.5rem 2.2rem;
  border: 1px solid var(--global-divider-color);
  border-radius: 0.25rem;
  outline: none;
  background: var(--global-bg-color);
  color: var(--global-text-color);
  font-size: 0.85rem;
}

.archive-search input::placeholder {
  color: var(--global-text-color-light);
}

.archive-search input:focus {
  border-color: var(--global-theme-color);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--global-theme-color) 18%, transparent);
}

.archive-filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.35rem;
}

.archive-filter,
#archive-reset {
  min-height: 2.35rem;
  padding: 0.45rem 0.75rem;
  border: 1px solid var(--global-divider-color);
  border-radius: 0.25rem;
  background: var(--global-bg-color);
  color: var(--global-text-color);
  font-family: 'Roboto Mono', monospace;
  font-size: 0.68rem;
  cursor: pointer;
  transition: border-color 0.18s ease, background-color 0.18s ease, color 0.18s ease;
}

.archive-filter:hover,
.archive-filter:focus-visible,
#archive-reset:hover,
#archive-reset:focus-visible {
  border-color: var(--global-theme-color);
  color: var(--global-theme-color);
  outline: none;
}

.archive-filter.active {
  border-color: var(--global-theme-color);
  background: var(--global-theme-color);
  color: var(--global-hover-text-color);
}

.archive-results {
  margin: 0;
  padding: 0.65rem 1.5rem;
  border-bottom: 1px solid var(--global-divider-color);
  color: var(--global-text-color-light);
  font-family: 'Roboto Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.archive-entry {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 1.5rem;
  padding: 1.45rem 1.5rem;
  border-bottom: 1px solid var(--global-divider-color);
}

.archive-entry:last-child {
  border-bottom: 0;
}

.archive-entry[hidden] {
  display: none;
}

.entry-term {
  padding-top: 0.12rem;
  color: var(--global-text-color-light);
  font-family: 'Roboto Mono', monospace;
  line-height: 1.25;
}

.entry-term span,
.entry-term strong {
  display: block;
}

.entry-term span {
  color: var(--global-text-color-light);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.entry-term strong {
  margin-top: 0.2rem;
  color: var(--global-text-color);
  font-size: 1.05rem;
  font-weight: 500;
}

.entry-content {
  min-width: 0;
}

.entry-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.85rem;
}

.entry-kind {
  margin-bottom: 0.2rem;
  color: var(--global-experience-color);
  font-size: 0.64rem;
}

.entry-heading h3 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 500;
  line-height: 1.35;
}

.entry-heading time {
  flex: 0 0 auto;
  padding-top: 0.15rem;
  color: var(--global-text-color-light);
  font-family: 'Roboto Mono', monospace;
  font-size: 0.68rem;
  white-space: nowrap;
}

.entry-note {
  max-width: 650px;
  margin: -0.3rem 0 0.85rem;
  color: var(--global-text-color-light);
  font-size: 0.82rem;
}

.entry-files {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.65rem;
}

.archive-file {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.7rem;
  min-width: 0;
  padding: 0.75rem;
  border: 1px solid var(--global-divider-color);
  border-radius: 0.25rem;
  background: var(--global-bg-color);
  color: var(--global-text-color);
  text-decoration: none;
  transition: border-color 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}

.archive-file:hover {
  border-color: var(--global-theme-color);
  color: var(--global-text-color);
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: 0 4px 14px color-mix(in srgb, var(--global-text-color) 8%, transparent);
}

.archive-file:focus-visible {
  border-color: var(--global-theme-color);
  outline: 2px solid var(--global-theme-color);
  outline-offset: 2px;
}

.file-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: var(--global-code-bg-color);
  color: var(--global-theme-color);
}

.file-icon i {
  color: inherit;
}

.file-copy {
  min-width: 0;
}

.file-copy strong,
.file-copy span {
  display: block;
}

.file-copy strong {
  overflow: hidden;
  color: var(--global-text-color);
  font-size: 0.84rem;
  font-weight: 500;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-copy span {
  margin-top: 0.1rem;
  color: var(--global-text-color-light);
  font-family: 'Roboto Mono', monospace;
  font-size: 0.6rem;
}

.file-action {
  color: var(--global-theme-color);
  font-family: 'Roboto Mono', monospace;
  font-size: 0.65rem;
}

.file-action i {
  margin-left: 0.2rem;
  color: inherit;
  font-size: 0.55rem;
}

.archive-empty {
  padding: 3rem 1.5rem;
  text-align: center;
}

.archive-empty i {
  margin-bottom: 0.75rem;
  color: var(--global-text-color-light);
  font-size: 1.5rem;
}

.archive-empty p {
  margin-bottom: 0.9rem;
  color: var(--global-text-color-light);
}

.archive-footer {
  padding: 1rem 0;
  text-align: center;
}

.archive-footer p {
  margin: 0;
  color: var(--global-text-color-light);
  font-family: 'Roboto Mono', monospace;
  font-size: 0.68rem;
}

@media (max-width: 767.98px) {
  .course-heading,
  .archive-toolbar {
    align-items: stretch;
    flex-direction: column;
  }

  .course-heading {
    gap: 1.25rem;
  }

  .course-stats {
    justify-content: flex-start;
  }

  .archive-search {
    flex-basis: auto;
    max-width: none;
  }

  .archive-filters {
    justify-content: flex-start;
  }

  .archive-entry {
    grid-template-columns: 70px minmax(0, 1fr);
    gap: 1rem;
  }

  .entry-files {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 575.98px) {
  .archive-back {
    margin-bottom: 1.25rem;
  }

  .archive-hero {
    margin-bottom: 1.5rem;
  }

  .course-heading,
  .archive-toolbar,
  .archive-entry {
    padding-right: 1rem;
    padding-left: 1rem;
  }

  .archive-results {
    padding-right: 1rem;
    padding-left: 1rem;
  }

  .archive-entry {
    grid-template-columns: 1fr;
    gap: 0.65rem;
  }

  .entry-term span,
  .entry-term strong {
    display: inline;
  }

  .entry-term strong {
    margin-left: 0.25rem;
  }

  .entry-heading {
    flex-direction: column;
    gap: 0.25rem;
  }

  .entry-heading time {
    padding-top: 0;
  }

  .archive-filter {
    flex: 1 1 auto;
  }

  .file-action {
    font-size: 0;
  }

  .file-action i {
    margin: 0;
    font-size: 0.7rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .archive-file,
  .archive-filter {
    transition: none;
  }
}