:host {
  height: 100%;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  padding-left: var(--size);
  padding-right: var(--size);

  .header-pane {
    display: flex;
    flex-direction: row;
    column-gap: var(--size-h);
    align-items: center;
    padding-bottom: var(--size);
    background-color: var(--background);
    position: sticky;
    top: 0;
  }

  .header-title {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 0.05rem;
  }

  .info-banner {
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    gap: var(--size-h);
    padding: var(--size-h) var(--size);
    margin-bottom: var(--size);
    background: var(--background-light);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);

    i {
      color: var(--primary);
      font-size: 14px;
      margin-top: 2px;
    }

    span {
      font-size: 12px;
      color: var(--muted-foreground);
      line-height: 1.4;
    }
  }

  .loading-state,
  .empty-state,
  .error-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--size-h);
    padding: var(--size-2);
    color: var(--muted-foreground);

    i {
      font-size: 32px;
    }

    span {
      font-size: 14px;
    }

    .hint {
      font-size: 12px;
      text-align: center;
      max-width: 280px;
    }
  }

  .color-activity {
    color: var(--muted-foreground);
    animation: pulse 1.5s infinite;
  }

  @keyframes pulse {
    0%, 100% {
      opacity: 0.4;
    }
    50% {
      opacity: 1;
    }
  }

  .relay {
    margin-bottom: 4px;
    padding: 4px 8px 6px 8px;
    border-radius: 8px;
    background: var(--background-light);
  }
}
