.app-main:has(#classesView:not([hidden])) .app-topbar {
  display: none;
}

.app-main > .app:has(> #classesView:not([hidden])) {
  width: 100%;
  max-width: none;
  margin: 0;
  padding: clamp(28px, 3.5vw, 52px) clamp(24px, 4vw, 64px) 52px;
}

.classes-page,
.classes-content {
  width: 100%;
  min-width: 0;
}

.classes-content {
  display: grid;
  gap: 22px;
}

.classes-page-head {
  min-height: 112px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 28px;
  padding: 0 2px 18px;
  border-bottom: 1px solid var(--border-default);
}

.classes-page-head-copy {
  min-width: 0;
}

.classes-kicker,
.classes-card-label {
  display: block;
  color: var(--accent-primary);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.classes-kicker {
  margin-bottom: 7px;
}

.classes-page-head h2 {
  max-width: 780px;
  margin: 0;
  color: var(--text-primary);
  font-family: inherit;
  font-size: clamp(30px, 3vw, 44px);
  font-weight: 790;
  line-height: 1.04;
  letter-spacing: -.045em;
}

.classes-page-head p {
  max-width: 680px;
  margin: 10px 0 0;
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.55;
}

.classes-page-head .btn-primary {
  min-height: 44px;
  flex: 0 0 auto;
  padding-inline: 18px;
  box-shadow: var(--shadow-card);
}

.classes-stats {
  display: grid;
  grid-template-columns: 1.2fr repeat(3, minmax(0, 1fr));
  overflow: hidden;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  background: var(--surface-card);
  box-shadow: var(--shadow-card);
}

.classes-stat {
  position: relative;
  min-width: 0;
  min-height: 116px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-end;
  gap: 7px;
  padding: 22px 24px;
  border-right: 1px solid var(--border-default);
  background: transparent;
}

.classes-stat:first-child::before {
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: var(--accent-primary);
  content: "";
}

.classes-stat:last-child {
  border-right: 0;
}

.classes-stat span {
  color: var(--text-muted);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.classes-stat strong {
  color: var(--text-primary);
  font-size: clamp(28px, 2.5vw, 38px);
  line-height: 1;
  letter-spacing: -.045em;
}

.classes-directory.panel {
  overflow: hidden;
  margin: 0;
  padding: 0;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  background: var(--surface-card);
  box-shadow: var(--shadow-card);
}

.classes-directory-head {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 20px;
  border-bottom: 1px solid var(--border-default);
  background: var(--surface-elevated);
}

.classes-directory-head h3 {
  margin: 0;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 20px;
  letter-spacing: -.025em;
}

.classes-directory-note {
  color: var(--text-muted);
  font-size: 11px;
  text-align: right;
}

.classes-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  padding: 16px;
  background: var(--surface-card);
}

.classes-card {
  min-width: 0;
  display: grid;
  grid-template-rows: 1fr auto auto;
  gap: 18px;
  padding: 20px;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  background: var(--surface-elevated);
  box-shadow: none;
  transition:
    border-color var(--motion-fast) ease,
    transform var(--motion-normal) var(--motion-ease),
    background-color var(--motion-fast) ease;
}

.classes-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-1px);
}

.classes-card-head {
  min-width: 0;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}

.classes-card-head > div {
  min-width: 0;
}

.classes-card-label {
  margin-bottom: 7px;
}

.classes-card h3 {
  overflow-wrap: anywhere;
  margin: 0;
  color: var(--text-primary);
  font-family: inherit;
  font-size: clamp(20px, 2vw, 25px);
  font-weight: 760;
  line-height: 1.12;
  letter-spacing: -.035em;
}

.classes-card-head p {
  margin: 8px 0 0;
  color: var(--text-muted);
  font-size: 12px;
  line-height: 1.5;
}

.classes-card-count {
  min-width: 78px;
  display: grid;
  justify-items: end;
  gap: 3px;
  color: var(--text-muted);
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
}

.classes-card-count strong {
  color: var(--text-primary);
  font-size: 28px;
  line-height: 1;
  letter-spacing: -.04em;
}

.classes-card-meta {
  padding-top: 14px;
  border-top: 1px solid var(--border-default);
  color: var(--text-secondary);
  font-size: 11px;
}

.classes-card-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.classes-card-actions .btn,
.classes-delete-action {
  min-height: 38px;
  padding: 0 13px;
  border-radius: var(--radius-sm);
  font: inherit;
  font-size: 11px;
  font-weight: 750;
}

.classes-card-actions .btn-light {
  border: 1px solid var(--border-default);
  background: var(--surface-card);
  color: var(--text-secondary);
  box-shadow: none;
}

.classes-card-actions .btn-light:hover {
  border-color: var(--border-strong);
  color: var(--text-primary);
}

.classes-card-actions [aria-busy="true"] {
  cursor: wait;
  opacity: .72;
}

.classes-delete-action {
  margin-left: auto;
  border: 1px solid color-mix(in srgb, var(--status-danger) 34%, transparent);
  background: color-mix(in srgb, var(--status-danger) 8%, transparent);
  color: var(--status-danger);
  cursor: pointer;
  transition:
    background-color var(--motion-fast) ease,
    border-color var(--motion-fast) ease,
    transform var(--motion-fast) ease;
}

.classes-delete-action:hover {
  border-color: color-mix(in srgb, var(--status-danger) 58%, transparent);
  background: color-mix(in srgb, var(--status-danger) 13%, transparent);
  transform: translateY(-1px);
}

.classes-empty {
  grid-column: 1 / -1;
  min-height: 260px;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 8px;
  padding: 36px;
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-md);
  background: var(--surface-elevated);
  text-align: center;
}

.classes-empty strong {
  color: var(--text-primary);
  font-size: 18px;
}

.classes-empty span {
  max-width: 390px;
  color: var(--text-muted);
  font-size: 12px;
  line-height: 1.5;
}

.classes-empty .btn {
  margin-top: 10px;
}

.classes-skeleton {
  display: grid;
  gap: 22px;
}

.classes-skeleton[hidden] {
  display: none;
}

.classes-skeleton-head {
  min-height: 112px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 28px;
  padding: 0 2px 18px;
  border-bottom: 1px solid var(--border-default);
}

.classes-skeleton-copy {
  width: min(640px, 70%);
  display: grid;
  gap: 9px;
}

.classes-skeleton-line {
  display: block;
  width: 100%;
  height: 12px;
  border-radius: 999px;
}

.classes-skeleton-line--short {
  width: 86px;
  height: 9px;
}

.classes-skeleton-line--title {
  width: min(420px, 86%);
  height: 36px;
}

.classes-skeleton-button {
  width: 132px;
  height: 44px;
  border-radius: var(--radius-sm);
}

.classes-skeleton-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  overflow: hidden;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  background: var(--surface-card);
}

.classes-skeleton-stat {
  height: 116px;
  border-right: 1px solid var(--border-default);
  border-radius: 0;
}

.classes-skeleton-stat:last-child {
  border-right: 0;
}

.classes-skeleton-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  padding: 16px;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  background: var(--surface-card);
}

.classes-skeleton-card {
  min-height: 220px;
  display: grid;
  align-content: start;
  gap: 12px;
  padding: 20px;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  background: var(--surface-elevated);
}

.classes-skeleton-card-actions {
  width: 72%;
  height: 38px;
  margin-top: 32px;
  border-radius: var(--radius-sm);
}

@media (max-width: 960px) {
  .classes-stats,
  .classes-skeleton-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .classes-stat:nth-child(2),
  .classes-skeleton-stat:nth-child(2) {
    border-right: 0;
  }

  .classes-stat:nth-child(-n + 2),
  .classes-skeleton-stat:nth-child(-n + 2) {
    border-bottom: 1px solid var(--border-default);
  }
}

@media (max-width: 768px) {
  .app-main > .app:has(> #classesView:not([hidden])) {
    padding: 24px 16px 104px;
  }

  .classes-page-head,
  .classes-skeleton-head {
    min-height: 0;
    align-items: stretch;
    flex-direction: column;
    gap: 18px;
  }

  .classes-page-head .btn-primary,
  .classes-skeleton-button {
    width: 100%;
  }

  .classes-stats,
  .classes-skeleton-stats,
  .classes-grid,
  .classes-skeleton-grid {
    grid-template-columns: 1fr;
  }

  .classes-stat,
  .classes-skeleton-stat {
    min-height: 96px;
    border-right: 0;
    border-bottom: 1px solid var(--border-default);
  }

  .classes-stat:last-child,
  .classes-skeleton-stat:last-child {
    border-bottom: 0;
  }

  .classes-directory-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .classes-directory-note {
    text-align: left;
  }

  .classes-grid,
  .classes-skeleton-grid {
    padding: 12px;
  }

  .classes-card-head {
    gap: 12px;
  }

  .classes-card-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .classes-card-actions .btn,
  .classes-delete-action {
    width: 100%;
  }

  .classes-delete-action {
    grid-column: 1 / -1;
    margin-left: 0;
  }

  .classes-skeleton-copy {
    width: 100%;
  }
}

@media (max-width: 430px) {
  .classes-card-head {
    flex-direction: column;
  }

  .classes-card-count {
    min-width: 0;
    display: flex;
    align-items: baseline;
    gap: 6px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .classes-card,
  .classes-card-actions .btn,
  .classes-delete-action {
    transition-duration: .01ms !important;
    transform: none !important;
  }
}