.shc-shell {
  --shc-surface: #ffffff;
  --shc-surface-alt: #f7faff;
  --shc-border: rgba(35, 53, 97, 0.1);
  --shc-border-strong: rgba(35, 53, 97, 0.16);
  --shc-shadow: 0 14px 34px -26px rgba(21, 34, 68, 0.38);
  --shc-text: #1f2a44;
  --shc-text-strong: #16315f;
  --shc-text-muted: #5b6477;
  --shc-blue: #245fd2;
  --shc-blue-soft: #edf4ff;
  --shc-danger-soft: #fff3f2;
  --shc-radius-lg: 22px;
  --shc-radius-md: 18px;
  --shc-radius-sm: 14px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 18px 16px 30px;
  color: var(--shc-text);
  box-sizing: border-box;
}

.shc-shell *,
.shc-shell *::before,
.shc-shell *::after {
  box-sizing: border-box;
}

.shc-shell .is-hidden {
  display: none !important;
}

.shc-headerCard,
.shc-section {
  background: var(--shc-surface);
  border: 1px solid var(--shc-border);
  border-radius: var(--shc-radius-lg);
  box-shadow: var(--shc-shadow);
}

.shc-headerCard {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding: 24px;
}

.shc-headerCard__copy,
.shc-section__header > div {
  min-width: 0;
}

.shc-pageEyebrow,
.shc-section__eyebrow {
  margin: 0 0 6px;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--shc-blue);
}

.shc-pageTitle,
.shc-section__title {
  margin: 0;
  color: var(--shc-text-strong);
}

.shc-pageTitle {
  font-size: clamp(1.9rem, 3vw, 2.55rem);
  line-height: 1.04;
}

.shc-section__title {
  font-size: 1.22rem;
}

.shc-pageIntro,
.shc-section__helper {
  margin: 8px 0 0;
  color: var(--shc-text-muted);
  line-height: 1.6;
  max-width: 760px;
}

.shc-headerCard__actions {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 14px;
}

.shc-statChips {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}

.shc-statChip {
  min-width: 124px;
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid rgba(37, 95, 214, 0.12);
  background: linear-gradient(180deg, #ffffff 0%, #f5f9ff 100%);
}

.shc-statChip__label {
  display: block;
  font-size: 0.78rem;
  color: var(--shc-text-muted);
}

.shc-statChip__value {
  display: block;
  margin-top: 4px;
  font-size: 1.05rem;
  color: var(--shc-text-strong);
}

.shc-headerActions,
.shc-section__footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.shc-primaryBtn,
.shc-secondaryBtn,
.shc-dangerBtn,
.shc-linkBtn {
  appearance: none;
  border: none;
  background: none;
  font: inherit;
}

.shc-primaryBtn,
.shc-secondaryBtn,
.shc-dangerBtn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 42px;
  padding: 0 16px;
  border-radius: 14px;
  cursor: pointer;
  text-decoration: none;
  font-weight: 700;
}

.shc-primaryBtn {
  background: linear-gradient(135deg, #1c71e6, #295cc6);
  color: #fff;
  border: 1px solid rgba(37, 95, 214, 0.12);
}

.shc-secondaryBtn {
  background: linear-gradient(180deg, #ffffff 0%, #f5f7fb 100%);
  color: var(--shc-text);
  border: 1px solid rgba(37, 77, 161, 0.12);
}

.shc-dangerBtn {
  background: var(--shc-danger-soft);
  color: #b64237;
  border: 1px solid rgba(182, 66, 55, 0.14);
}

.shc-linkBtn {
  color: var(--shc-blue);
  cursor: pointer;
  font-weight: 700;
  padding: 0;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.shc-section {
  padding: 22px 24px;
}

.shc-section__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.shc-section__view,
.shc-section__edit {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.shc-inlineNotice,
.shc-emptyState {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 18px;
  border-radius: var(--shc-radius-sm);
  border: 1px dashed rgba(37, 95, 214, 0.24);
  background: linear-gradient(180deg, #fbfcff 0%, #f4f8ff 100%);
}

.shc-inlineNotice strong,
.shc-emptyState strong {
  color: var(--shc-text-strong);
}

.shc-inlineNotice span,
.shc-emptyState span {
  color: var(--shc-text-muted);
  line-height: 1.55;
}

.shc-keywordList {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.shc-keywordChip {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid rgba(37, 95, 214, 0.12);
  background: var(--shc-blue-soft);
  color: var(--shc-text-strong);
  font-size: 0.92rem;
  font-weight: 700;
}

.shc-shell sl-textarea::part(base) {
  border-color: var(--shc-border-strong);
  border-radius: 14px;
  background: #fff;
}

.shc-shell sl-textarea::part(form-control-label) {
  color: #455672;
  font-weight: 700;
}

.shc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
}

.shc-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-radius: 18px;
  border: 1px solid var(--shc-border);
  background: var(--shc-surface);
  box-shadow: 0 12px 24px rgba(24, 39, 75, 0.06);
}

.shc-card__media {
  position: relative;
  aspect-ratio: 4 / 3;
  background: linear-gradient(135deg, #eef4ff, #dae6ff);
}

.shc-card__image {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.shc-card__body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 14px;
}

.shc-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.shc-card__title {
  margin: 0;
  font-size: 0.98rem;
  color: var(--shc-text-strong);
}

.shc-card__subtitle {
  margin: 2px 0 0;
  font-size: 0.85rem;
  color: var(--shc-text-muted);
}

.shc-card__actions {
  display: flex;
  justify-content: flex-end;
}

.shc-emptyState {
  grid-column: 1 / -1;
}

.shc-primaryBtn:disabled,
.shc-secondaryBtn:disabled,
.shc-dangerBtn:disabled {
  opacity: 0.58;
  cursor: not-allowed;
}

.shc-primaryBtn:focus-visible,
.shc-secondaryBtn:focus-visible,
.shc-dangerBtn:focus-visible,
.shc-linkBtn:focus-visible,
.shc-shell sl-textarea:focus-within {
  outline: 3px solid rgba(35, 109, 230, 0.26);
  outline-offset: 2px;
}

@media (max-width: 920px) {
  .shc-headerCard {
    flex-direction: column;
    align-items: stretch;
  }

  .shc-headerCard__actions {
    align-items: stretch;
  }

  .shc-statChips {
    justify-content: flex-start;
  }
}

@media (max-width: 720px) {
  .shc-shell {
    padding: 12px 10px 24px;
  }

  .shc-headerCard,
  .shc-section {
    border-radius: 18px;
  }

  .shc-headerCard,
  .shc-section {
    padding: 18px;
  }

  .shc-section__header {
    flex-direction: column;
    align-items: flex-start;
  }

  .shc-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}