@layer components {
  .sheet-page {
    --sticky-top: calc(var(--header-h, 0px) + var(--space-6));
    display: grid;
    gap: var(--space-8);

    [hidden] { display: none; }
  }

  @media (max-width: 32rem) {
    .sheet-page { gap: var(--space-6); }
  }

  :where(.sheet-page) {
    .sheet-top {
      display: grid;
      gap: var(--space-5);
    }

    .crumbs {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: var(--space-1) var(--space-3);

      a {
        color: inherit;
        text-decoration: none;

        &:hover { color: var(--color-text); }
      }
    }

    .sheet-identity {
      display: grid;
      grid-template-columns: auto minmax(0, 1fr);
      gap: var(--space-3) var(--space-5);
      align-content: start;
    }

    .sheet-heading {
      display: grid;
      justify-items: start;
      gap: var(--space-3);
      min-inline-size: 0;
    }

    .sheet-eyebrow {
      display: inline-flex;
      align-items: center;
      gap: var(--space-2);

      .glyph { color: var(--color-accent); }
    }

    .sheet-title {
      margin: 0;
      font-size: var(--text-4xl);
      font-weight: 300;
      letter-spacing: -0.02em;
      line-height: var(--line-height-tight);
    }

    .sheet-title-code { color: var(--color-text-muted); }

    .sheet-meta {
      display: flex;
      flex-wrap: wrap;
      gap: var(--space-1) var(--space-4);
      font-size: var(--text-sm);
      color: var(--color-text-muted);
    }

    .sheet-note {
      font-size: var(--text-sm);
      color: var(--color-text-muted);
    }

    .sheet-actions { padding-block-start: var(--space-3); }

    .sheet-body {
      display: grid;
      grid-template-columns: minmax(0, 1fr);
      grid-template-areas: "filter" "jump" "main";
      gap: var(--space-6);
      align-items: start;
    }

    .jump {
      grid-area: jump;
      display: grid;
      gap: var(--space-2);
      min-inline-size: 0;

      ol {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(min(100%, 15rem), 1fr));
        column-gap: var(--space-5);
        margin: 0;
        padding: 0;
        list-style: none;
      }

      a {
        display: grid;
        grid-template-columns: 2.75rem minmax(0, 1fr);
        gap: var(--space-2);
        padding-block: var(--space-2);
        border-block-start: 1px solid var(--color-border);
        font-size: var(--text-sm);
        line-height: var(--line-height-tight);
        color: var(--color-text-muted);
        text-decoration: none;

        &:hover { color: var(--color-text); }
      }

      .jump-code { color: var(--color-accent); }
    }

    .sheet-main {
      grid-area: main;
      display: grid;
      gap: var(--space-10);
      min-inline-size: 0;
    }

    @media (min-width: 64rem) {
      .sheet-body {
        grid-template-columns: 13rem minmax(0, 1fr);
        grid-template-areas: "jump filter" "jump main";
        gap: var(--space-6) var(--space-8);
      }

      .jump {
        position: sticky;
        inset-block-start: var(--sticky-top);
        grid-row: 1 / -1;

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

    .sheet-chapter {
      display: grid;
      gap: var(--space-5);
      min-inline-size: 0;
      scroll-margin-block-start: var(--sticky-top);

      .section-index h2 { overflow-wrap: anywhere; }
    }

    .chapter-counts { font-size: var(--text-sm); color: var(--color-text-muted); }

    .sheet-block {
      display: grid;
      gap: var(--space-3);
      min-inline-size: 0;
    }

    .block-label {
      display: flex;
      gap: var(--space-2);
      font-weight: 400;
    }

    .kind-tag {
      display: inline-flex;
      align-items: center;
      padding: 0.125rem 0.375rem;
      border-radius: var(--radius-sharp);
      box-shadow: inset 0 0 0 1px var(--color-border-strong);
      font-family: var(--font-mono);
      font-size: var(--text-xs);
      font-weight: 400;
      line-height: var(--line-height-tight);
      letter-spacing: var(--tracking-caps);
      text-transform: uppercase;
      white-space: nowrap;
      color: var(--color-text-muted);

      &[data-kind="limit"] {
        box-shadow: none;
        background: var(--color-accent-soft);
        color: light-dark(oklch(0.46 0.11 80), var(--accent-dark));
      }

      &[data-kind="term"] { box-shadow: none; padding-inline: 0; }
    }

    .cram-panel, .deeper-panel { min-inline-size: 0; }

    .cram-panel { container: cram / inline-size; }

    .cram-table {
      inline-size: 100%;
      border-collapse: collapse;
      table-layout: fixed;

      th, td {
        padding: var(--space-3) var(--space-4);
        border-block-end: 1px solid var(--color-border);
        text-align: start;
        vertical-align: baseline;
        overflow-wrap: anywhere;
      }

      :is(th, td):first-child { padding-inline-start: var(--space-5); }

      :is(th, td):last-child { padding-inline-end: var(--space-5); }

      tbody tr:nth-last-child(1 of :not([hidden])) > * { border-block-end: 0; }

      thead th {
        position: sticky;
        inset-block-start: var(--header-h, 0px);
        z-index: 2;
        padding-block: var(--space-4) var(--space-3);
        border-block-end: 0;
        background: var(--color-panel);
        box-shadow: inset 0 -1px 0 var(--color-border-strong);
        font-weight: 400;
        white-space: nowrap;
      }

      .col-item { inline-size: 26%; }

      .col-key { inline-size: 10.5rem; text-align: end; }

      tbody tr > :is(:first-child, :last-child) { position: relative; }

      tbody tr > :is(:first-child, :last-child)::after {
        content: "";
        position: absolute;
        inset: 3px 4px;
        border: 1.5px solid var(--color-accent);
        pointer-events: none;
        opacity: 0;
        transition: opacity var(--duration-fill) var(--ease-out);
      }

      tbody tr > :first-child::after {
        mask:
          linear-gradient(#000 0 0) top left / 0.625rem 0.625rem no-repeat,
          linear-gradient(#000 0 0) bottom left / 0.625rem 0.625rem no-repeat;
      }

      tbody tr > :last-child::after {
        mask:
          linear-gradient(#000 0 0) top right / 0.625rem 0.625rem no-repeat,
          linear-gradient(#000 0 0) bottom right / 0.625rem 0.625rem no-repeat;
      }

      tbody tr:hover > :is(:first-child, :last-child)::after { opacity: 1; }

      tbody tr:hover > * { background: var(--color-hover-wash); }

      .key-cell { text-align: end; }
    }

    .cram-item {
      font-weight: 500;
      line-height: var(--line-height-tight);
    }

    .cram-value strong, .deeper-item dd strong { font-weight: 650; }

    .item-stack {
      display: grid;
      justify-items: start;
      gap: var(--space-1);
    }

    .readouts {
      display: inline-grid;
      justify-items: end;
      gap: var(--space-1);
      max-inline-size: 100%;
    }

    .readout {
      display: inline-block;
      max-inline-size: 100%;
      padding: 0.125rem var(--space-2);
      border-radius: var(--radius-sharp);
      background: var(--color-surface);
      box-shadow: inset 0 0 0 1px var(--color-border);
      text-align: end;
      line-height: 1.2;
    }

    .readout-n {
      font-family: var(--font-display);
      font-size: var(--text-xl);
      font-weight: 300;
      line-height: 1.2;
      letter-spacing: -0.01em;
      font-variant-numeric: tabular-nums;
      white-space: nowrap;
    }

    .readout-p, .readout-u { font-size: var(--text-sm); color: var(--color-text-muted); }

    @container cram (width < 36rem) {
      .cram-table, .cram-table tbody { display: block; }

      .cram-table thead { display: none; }

      .cram-table tbody tr {
        position: relative;
        display: grid;
        grid-template-columns: minmax(0, 1fr) fit-content(50%);
        align-items: baseline;
        gap: var(--space-1) var(--space-3);
        padding: var(--space-3) var(--space-4);
        border-block-end: 1px solid var(--color-border);

        &:nth-last-child(1 of :not([hidden])) { border-block-end: 0; }

        &::after {
          content: "";
          position: absolute;
          inset: 3px 4px;
          border: 1.5px solid var(--color-accent);
          pointer-events: none;
          opacity: 0;
          mask:
            linear-gradient(#000 0 0) top left / 0.625rem 0.625rem no-repeat,
            linear-gradient(#000 0 0) top right / 0.625rem 0.625rem no-repeat,
            linear-gradient(#000 0 0) bottom left / 0.625rem 0.625rem no-repeat,
            linear-gradient(#000 0 0) bottom right / 0.625rem 0.625rem no-repeat;
          transition: opacity var(--duration-fill) var(--ease-out);
        }

        &:hover::after { opacity: 1; }

        > :is(:first-child, :last-child) { position: static; }

        > :is(:first-child, :last-child)::after { content: none; }
      }

      .cram-table :is(th, td), .cram-table :is(th, td):is(:first-child, :last-child) { padding: 0; border: 0; }

      .cram-table .cram-item { grid-column: 1; grid-row: 1; }

      .cram-table .key-cell { grid-column: 2; grid-row: 1; }

      .cram-table .key-cell:empty { display: none; }

      .cram-table .cram-value { grid-column: 1 / -1; grid-row: 2; }
    }

    .deeper-panel { container: deeper / inline-size; }

    .deeper-item {
      display: grid;
      gap: var(--space-1);
      min-inline-size: 0;
      padding: var(--space-3) var(--space-5);
      border-block-end: 1px solid var(--color-border);

      &:nth-last-child(1 of :not([hidden])) { border-block-end: 0; }

      dt { font-weight: 500; line-height: var(--line-height-tight); padding-block-start: 0.15em; }

      dd { max-inline-size: 44em; }

      dt, dd { overflow-wrap: anywhere; min-inline-size: 0; }
    }

    @container deeper (width >= 36rem) {
      .deeper-item { grid-template-columns: 28% minmax(0, 1fr); gap: var(--space-4); }
    }

    .filter-bar {
      grid-area: filter;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: var(--space-3) var(--space-4);
      min-inline-size: 0;
      padding: var(--space-3);
    }

    .chips {
      display: flex;
      flex-wrap: wrap;
      gap: var(--space-2);
    }

    .chip {
      display: inline-flex;
      align-items: center;
      gap: var(--space-2);
      min-block-size: 2.5rem;
      padding: 0 var(--space-3);
      border: 1px solid var(--color-border-strong);
      border-radius: var(--radius-sharp);
      background: transparent;
      font-size: var(--text-sm);
      font-weight: 400;
      color: var(--color-text-muted);
      white-space: nowrap;
      cursor: pointer;
      transition: background-color var(--duration-fill) var(--ease-out), color var(--duration-fill) var(--ease-out);

      &:hover { background: var(--color-hover-wash); color: var(--color-text); }

      &:has(:checked) {
        border-color: var(--color-text);
        background: var(--color-text);
        color: var(--color-surface);
        cursor: default;
      }

      &:has(:focus-visible) { outline: 2px solid var(--color-accent); outline-offset: 3px; }
    }

    .chip-count {
      min-inline-size: 3ch;
      font-family: var(--font-mono);
      font-size: var(--text-xs);
      font-variant-numeric: tabular-nums;
      text-align: end;
    }

    .find {
      flex: 1 1 15rem;
      display: flex;
      align-items: center;
      gap: var(--space-2);
      min-inline-size: 0;
      min-block-size: 2.5rem;
      padding-inline: var(--space-3);
      border: 1px solid var(--color-border-strong);
      border-radius: var(--radius-sharp);
      background: var(--color-surface);
      color: var(--color-text-muted);

      &:focus-within { outline: 2px solid var(--color-accent); outline-offset: 1px; }

      input {
        flex: 1;
        min-inline-size: 0;
        block-size: 2.375rem;
        padding: 0;
        border: 0;
        background: transparent;
        font: inherit;
        font-size: var(--text-base);
        color: var(--color-text);
        outline: none;

        &::placeholder { color: var(--color-text-muted); opacity: 1; }
      }
    }

    .results {
      display: grid;
      align-content: start;
      gap: var(--space-10);
      min-inline-size: 0;
      overflow-anchor: none;
    }

    .no-matches {
      display: grid;
      justify-items: start;
      gap: var(--space-3);
      padding: var(--space-6) var(--space-5);

      p:first-child { font-size: var(--text-lg); }

      p + p { font-size: var(--text-sm); color: var(--color-text-muted); }

      .button-wipe { margin-block-start: var(--space-2); }
    }

    .sheet-disclaimer {
      max-inline-size: 44em;
      padding-block-start: var(--space-4);
      border-block-start: 1px solid var(--color-border);
      font-size: var(--text-sm);
      color: var(--color-text-muted);
    }

    .chapter-head { display: grid; gap: var(--space-4); }

    .chapter-mix { display: grid; gap: var(--space-3); }

    .mix-bar {
      display: flex;
      gap: 2px;
      block-size: 6px;

      span { min-inline-size: 2px; }
    }

    .mix-bar span, .mix-item::before {
      background: var(--color-border-strong);

      &[data-kind="limit"] { background: var(--color-accent); }

      &[data-kind="code"] { background: var(--color-text); }

      &[data-kind="formula"] { background: var(--color-text-muted); }
    }

    .mix-figures {
      display: flex;
      flex-wrap: wrap;
      gap: var(--space-2) var(--space-6);
    }

    .mix-item {
      display: inline-flex;
      align-items: baseline;
      gap: var(--space-2);

      &::before {
        content: "";
        align-self: center;
        inline-size: 0.5rem;
        block-size: 0.5rem;
      }

      &[data-kind="limit"]::before { background: var(--color-accent); }

      &[data-kind="code"]::before { background: var(--color-text); }

      &[data-kind="formula"]::before { background: var(--color-text-muted); }
    }

    .mix-n {
      font-family: var(--font-display);
      font-size: var(--text-2xl);
      font-weight: 300;
      line-height: 1;
      letter-spacing: -0.02em;
      font-variant-numeric: tabular-nums;
    }

    @media (max-width: 32rem) {
      .sheet-identity { grid-template-columns: minmax(0, 1fr); }

      .sheet-title { font-size: var(--text-2xl); }

      .sheet-actions, .sheet-actions .cta { inline-size: 100%; }

      .sheet-main, .results { gap: var(--space-8); }

      .find { flex-basis: 100%; }
    }
  }
}