@layer components {
  .doc-diagram {
    position: relative;
    inline-size: 100%;
    margin-block: var(--s-6);
    border: var(--rule-thick);
    background: var(--bg);
  }

  .doc-diagram__header {
    min-block-size: 48px;
    display: flex;
    align-items: center;
    gap: var(--s-3);
    padding: var(--s-2);
    padding-inline-start: var(--s-3);
    border-block-end: var(--hair);
    background: var(--bg);
  }

  .doc-diagram__identity {
    min-inline-size: 0;
    display: flex;
    align-items: baseline;
    gap: var(--s-3);
    margin-inline-end: auto;
  }

  .doc-diagram__kind {
    flex: none;
    font-family: var(--mono);
    font-size: 0.64rem;
    font-weight: 500;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--accent-text);
  }

  .doc-diagram__title {
    min-inline-size: 0;
    overflow: hidden;
    font-family: var(--sans);
    font-size: 0.82rem;
    font-weight: 500;
    line-height: 1.2;
    color: var(--ink);
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .doc-diagram__controls {
    display: flex;
    flex: none;
    gap: var(--s-1);
  }

  .doc-diagram__control {
    inline-size: 30px;
    block-size: 30px;
    display: inline-grid;
    place-items: center;
    padding: 0;
    border: var(--hair);
    background: var(--bg);
    color: var(--ink);
    cursor: pointer;
  }

  .doc-diagram__control:hover {
    border-color: var(--rule);
    background: var(--ink);
    color: var(--bg);
  }

  .doc-diagram__control svg {
    inline-size: 14px;
    block-size: 14px;
    fill: none;
    stroke: currentColor;
    stroke-linecap: square;
    stroke-linejoin: miter;
    stroke-width: 1.75;
  }

  .doc-diagram__viewport {
    position: relative;
    min-block-size: 260px;
    overflow: hidden;
    cursor: grab;
    touch-action: none;
    background-color: var(--bg-soft);
    background-image:
      linear-gradient(to right, var(--rule-faint) 1px, transparent 1px),
      linear-gradient(to bottom, var(--rule-faint) 1px, transparent 1px);
    background-size: 24px 24px;
  }

  .doc-diagram__viewport:active {
    cursor: grabbing;
  }

  .doc-diagram__viewport:focus-visible {
    outline: 2px solid var(--accent-text);
    outline-offset: -3px;
  }

  .doc-diagram__canvas {
    position: absolute;
    inset: 0 auto auto 0;
    transform-origin: 0 0;
    will-change: transform;
  }

  .doc-diagram__canvas svg {
    display: block;
    max-inline-size: none;
    block-size: auto;
    font-family: var(--sans) !important;
  }

  .doc-diagram__footer {
    display: flex;
    justify-content: space-between;
    gap: var(--s-4);
    padding: var(--s-2) var(--s-3);
    border-block-start: var(--hair);
    background: var(--bg);
    font-family: var(--mono);
    font-size: 0.66rem;
    line-height: 1.35;
    color: var(--ink-quiet);
  }

  .doc-diagram__status {
    flex: none;
    color: var(--accent-text);
    font-feature-settings: "tnum";
  }

  :root.has-focused-diagram {
    overflow: hidden;
  }

  .doc-diagram--focused {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: grid;
    grid-template-rows: auto minmax(0, 1fr) auto;
    inline-size: 100vw;
    block-size: 100vh;
    margin: 0;
    border: 0;
    background: var(--bg);
  }

  .doc-diagram--focused .doc-diagram__viewport {
    block-size: auto !important;
    min-block-size: 0;
  }

  @media (max-width: 560px) {
    .doc-diagram__header {
      align-items: flex-start;
    }

    .doc-diagram__identity {
      display: grid;
      gap: 2px;
    }

    .doc-diagram__kind {
      font-size: 0.58rem;
    }

    .doc-diagram__title {
      font-size: 0.74rem;
    }

    .doc-diagram__footer {
      display: none;
    }

    .doc-diagram__control {
      inline-size: 28px;
      block-size: 28px;
    }

  }

  @media (prefers-reduced-motion: reduce) {
    .doc-diagram__canvas {
      will-change: auto;
    }
  }
}