.admin-shell {
  min-height: 100vh;
  background: var(--background-color);
  color: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  transition: var(--transition);
}

.admin-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 12px 1.5rem;
  background-color: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
}

:root.dark .admin-header {
  background-color: rgba(0, 0, 0, 0.8);
}

.admin-brand {
  font-weight: 700;
  font-size: 20px;
  color: var(--text-primary);
  text-decoration: none;
  transition: var(--transition);
}

.admin-brand:hover {
  color: var(--primary-color);
}

.admin-header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.admin-user {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.admin-main {
  max-width: 960px;
  margin: 0 auto;
  padding: 1.5rem;
}

.admin-flash {
  max-width: 960px;
  margin: 1rem auto 0;
  padding: 0.75rem 1rem;
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
}

.admin-flash-notice {
  background: var(--surface-color);
  color: var(--primary-color);
  border-color: var(--primary-color);
}

.admin-flash-alert {
  background: #fdecec;
  color: #991b1b;
  border-color: #f5c2c2;
}

:root.dark .admin-flash-alert {
  background: #2a1515;
  color: #fca5a5;
  border-color: #5c2020;
}

.admin-card {
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 1.25rem;
  margin-bottom: 1rem;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.admin-title {
  margin: 0 0 1rem;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
}

.admin-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 1rem;
}

.admin-actions form.button_to,
.admin-table-actions form.button_to {
  display: inline-flex;
  margin: 0;
}

.admin-button,
.admin-button-secondary,
.admin-button-danger,
.admin-button-compact {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: var(--border-radius);
  border: none;
  cursor: pointer;
  text-decoration: none;
  font: inherit;
  font-size: 16px;
  font-weight: 600;
  transition: var(--transition);
  gap: 8px;
}

.admin-button-compact {
  padding: 8px 14px;
  font-size: 14px;
}

.admin-button,
button.admin-button {
  background-color: var(--primary-color);
  color: #fff;
}

.admin-button:hover,
button.admin-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(38, 89, 142, 0.3);
}

.admin-button-secondary,
button.admin-button-secondary {
  background-color: var(--surface-color);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.admin-button-secondary:hover,
button.admin-button-secondary:hover {
  background-color: var(--surface-hover);
  border-color: var(--primary-color);
  color: var(--primary-color);
}

.admin-button-danger,
button.admin-button-danger {
  background-color: var(--background-color);
  color: #c62828;
  border: 1px solid #ef9a9a;
}

.admin-button-danger:hover,
button.admin-button-danger:hover {
  background-color: #fdecec;
  border-color: #e57373;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(198, 40, 40, 0.15);
}

:root.dark .admin-button-danger,
:root.dark button.admin-button-danger {
  color: #ef9a9a;
  border-color: #5c2020;
  background-color: var(--surface-color);
}

:root.dark .admin-button-danger:hover,
:root.dark button.admin-button-danger:hover {
  background-color: #2a1515;
  border-color: #c62828;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
}

.admin-table th,
.admin-table td {
  padding: 0.75rem;
  border-bottom: 1px solid var(--border-color);
  text-align: left;
  vertical-align: middle;
}

.admin-table a {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
}

.admin-table a:hover {
  text-decoration: underline;
}

.admin-form-group {
  margin-bottom: 1rem;
}

.admin-form-group label {
  display: block;
  margin-bottom: 0.35rem;
  font-weight: 600;
  color: var(--text-primary);
}

.admin-form-group input[type='text'],
.admin-form-group input[type='password'],
.admin-form-group input[type='file'],
.admin-form-group textarea {
  width: 100%;
  box-sizing: border-box;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  font: inherit;
  background: var(--background-color);
  color: var(--text-primary);
  transition: var(--transition);
}

.admin-form-group input:focus,
.admin-form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
}

.admin-form-group textarea {
  min-height: 160px;
  resize: vertical;
}

.admin-platform-section {
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
}

.admin-platform-title {
  margin: 0 0 0.75rem;
  font-size: 1.05rem;
  color: var(--text-primary);
}

.admin-artifact-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 280px);
  gap: 1rem;
  align-items: start;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--border-color);
}

.admin-artifact-meta {
  min-width: 0;
}

.admin-artifact-label {
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.admin-artifact-slug {
  display: inline-block;
  margin-bottom: 0.35rem;
  font-size: 0.82rem;
  background: var(--background-color);
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
  border: 1px solid var(--border-color);
}

.admin-artifact-hint {
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.45;
  margin-top: 0.2rem;
}

.admin-artifact-example {
  display: inline-block;
  margin-top: 0.15rem;
  word-break: break-all;
  font-size: 0.82rem;
  background: var(--background-color);
  padding: 0.15rem 0.35rem;
  border-radius: 4px;
  border: 1px solid var(--border-color);
}

.admin-file-input {
  margin-top: 0.15rem;
}

.admin-input-readonly {
  width: 100%;
  box-sizing: border-box;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  background: var(--background-color);
  color: var(--text-secondary);
}

.admin-artifact-row.is-attached {
  background: var(--background-color);
  border-radius: var(--border-radius);
  padding: 0.65rem;
  margin: 0 -0.65rem;
}

.admin-inline-button {
  margin-left: 0.75rem;
  font-size: 0.9rem;
  padding: 8px 14px;
}

.admin-table-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

@media (max-width: 720px) {
  .admin-artifact-row {
    grid-template-columns: 1fr;
  }

  .admin-button,
  .admin-button-secondary,
  .admin-button-danger {
    width: 100%;
  }

  .admin-actions form.button_to {
    width: 100%;
  }

  .admin-actions form.button_to button {
    width: 100%;
  }
}

.admin-badge {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
  background: var(--background-color);
  color: var(--primary-color);
  border: 1px solid var(--border-color);
  font-size: 0.85rem;
  font-weight: 600;
}

.admin-muted {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.admin-login {
  max-width: 420px;
  margin: 4rem auto;
}

.admin-page-title {
  margin: 0 0 1rem;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
}

.admin-section-title {
  margin: 1.5rem 0 0.75rem;
  font-size: 1.15rem;
  font-weight: 600;
}

.admin-page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.admin-card-narrow {
  max-width: 520px;
}

.admin-form .admin-field {
  margin-bottom: 1rem;
}

.admin-form label {
  display: block;
  margin-bottom: 0.35rem;
  font-weight: 600;
}

.admin-input {
  width: 100%;
  box-sizing: border-box;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  font: inherit;
  background: var(--background-color);
  color: var(--text-primary);
}

.admin-form-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  align-items: center;
}

.admin-dl {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 0.75rem 1rem;
}

.admin-dl dt {
  font-weight: 600;
  color: var(--text-secondary);
}

.admin-dl dd {
  margin: 0;
}

.admin-token {
  display: inline-block;
  word-break: break-all;
  margin-right: 0.5rem;
}

.admin-badge-success {
  color: #166534;
  border-color: #86efac;
  background: #ecfdf5;
}

.admin-badge-danger {
  color: #991b1b;
  border-color: #fca5a5;
  background: #fef2f2;
}

.admin-hint {
  margin-top: 0.35rem;
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.admin-mt {
  margin-top: 1.5rem;
}