/*
 * Public Website V1 visual foundation.
 *
 * Values in the approved sections below are taken from the exact Figma nodes
 * named by docs/frontend/versions/v1. Keep application behaviour independent
 * of this registry so that a later visual system can replace it directly.
 */

/* Fontsource 5.3.0; each family is distributed under the SIL OFL 1.1. */
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-display: swap;
  font-weight: 400;
  src: url("/assets/fonts/inter-latin-ext-400-normal.woff2") format("woff2");
  unicode-range:
    U+0100-02ba, U+02bd-02c5, U+02c7-02cc, U+02ce-02d7, U+02dd-02ff, U+0304,
    U+0308, U+0329, U+1d00-1dbf, U+1e00-1e9f, U+1ef2-1eff, U+2020, U+20a0-20ab,
    U+20ad-20c0, U+2113, U+2c60-2c7f, U+a720-a7ff;
}

@font-face {
  font-family: "Inter";
  font-style: normal;
  font-display: swap;
  font-weight: 400;
  src: url("/assets/fonts/inter-latin-400-normal.woff2") format("woff2");
  unicode-range:
    U+0000-00ff, U+0131, U+0152-0153, U+02bb-02bc, U+02c6, U+02da, U+02dc,
    U+0304, U+0308, U+0329, U+2000-206f, U+20ac, U+2122, U+2191, U+2193,
    U+2212, U+2215, U+feff, U+fffd;
}

@font-face {
  font-family: "Cinzel";
  font-style: normal;
  font-display: swap;
  font-weight: 400;
  src: url("/assets/fonts/cinzel-latin-ext-400-normal.woff2") format("woff2");
  unicode-range:
    U+0100-02ba, U+02bd-02c5, U+02c7-02cc, U+02ce-02d7, U+02dd-02ff, U+0304,
    U+0308, U+0329, U+1d00-1dbf, U+1e00-1e9f, U+1ef2-1eff, U+2020, U+20a0-20ab,
    U+20ad-20c0, U+2113, U+2c60-2c7f, U+a720-a7ff;
}

@font-face {
  font-family: "Cinzel";
  font-style: normal;
  font-display: swap;
  font-weight: 400;
  src: url("/assets/fonts/cinzel-latin-400-normal.woff2") format("woff2");
  unicode-range:
    U+0000-00ff, U+0131, U+0152-0153, U+02bb-02bc, U+02c6, U+02da, U+02dc,
    U+0304, U+0308, U+0329, U+2000-206f, U+20ac, U+2122, U+2191, U+2193,
    U+2212, U+2215, U+feff, U+fffd;
}

@font-face {
  font-family: "Cormorant Garamond";
  font-style: normal;
  font-display: swap;
  font-weight: 500;
  src: url("/assets/fonts/cormorant-garamond-latin-ext-500-normal.woff2")
    format("woff2");
  unicode-range:
    U+0100-02ba, U+02bd-02c5, U+02c7-02cc, U+02ce-02d7, U+02dd-02ff, U+0304,
    U+0308, U+0329, U+1d00-1dbf, U+1e00-1e9f, U+1ef2-1eff, U+2020, U+20a0-20ab,
    U+20ad-20c0, U+2113, U+2c60-2c7f, U+a720-a7ff;
}

@font-face {
  font-family: "Cormorant Garamond";
  font-style: normal;
  font-display: swap;
  font-weight: 500;
  src: url("/assets/fonts/cormorant-garamond-latin-500-normal.woff2")
    format("woff2");
  unicode-range:
    U+0000-00ff, U+0131, U+0152-0153, U+02bb-02bc, U+02c6, U+02da, U+02dc,
    U+0304, U+0308, U+0329, U+2000-206f, U+20ac, U+2122, U+2191, U+2193,
    U+2212, U+2215, U+feff, U+fffd;
}

@font-face {
  font-family: "Lato";
  font-style: normal;
  font-display: swap;
  font-weight: 400;
  src: url("/assets/fonts/lato-latin-ext-400-normal.woff2") format("woff2");
  unicode-range:
    U+0100-02ba, U+02bd-02c5, U+02c7-02cc, U+02ce-02d7, U+02dd-02ff, U+0304,
    U+0308, U+0329, U+1d00-1dbf, U+1e00-1e9f, U+1ef2-1eff, U+2020, U+20a0-20ab,
    U+20ad-20c0, U+2113, U+2c60-2c7f, U+a720-a7ff;
}

@font-face {
  font-family: "Lato";
  font-style: normal;
  font-display: swap;
  font-weight: 400;
  src: url("/assets/fonts/lato-latin-400-normal.woff2") format("woff2");
  unicode-range:
    U+0000-00ff, U+0131, U+0152-0153, U+02bb-02bc, U+02c6, U+02da, U+02dc,
    U+0304, U+0308, U+0329, U+2000-206f, U+20ac, U+2122, U+2191, U+2193,
    U+2212, U+2215, U+feff, U+fffd;
}

@font-face {
  font-family: "Piazzolla";
  font-style: normal;
  font-display: swap;
  font-weight: 400;
  src: url("/assets/fonts/piazzolla-latin-ext-400-normal.woff2")
    format("woff2");
  unicode-range:
    U+0100-02ba, U+02bd-02c5, U+02c7-02cc, U+02ce-02d7, U+02dd-02ff, U+0304,
    U+0308, U+0329, U+1d00-1dbf, U+1e00-1e9f, U+1ef2-1eff, U+2020, U+20a0-20ab,
    U+20ad-20c0, U+2113, U+2c60-2c7f, U+a720-a7ff;
}

@font-face {
  font-family: "Piazzolla";
  font-style: normal;
  font-display: swap;
  font-weight: 400;
  src: url("/assets/fonts/piazzolla-latin-400-normal.woff2") format("woff2");
  unicode-range:
    U+0000-00ff, U+0131, U+0152-0153, U+02bb-02bc, U+02c6, U+02da, U+02dc,
    U+0304, U+0308, U+0329, U+2000-206f, U+20ac, U+2122, U+2191, U+2193,
    U+2212, U+2215, U+feff, U+fffd;
}

@font-face {
  font-family: "Piazzolla";
  font-style: normal;
  font-display: swap;
  font-weight: 700;
  src: url("/assets/fonts/piazzolla-latin-ext-700-normal.woff2")
    format("woff2");
  unicode-range:
    U+0100-02ba, U+02bd-02c5, U+02c7-02cc, U+02ce-02d7, U+02dd-02ff, U+0304,
    U+0308, U+0329, U+1d00-1dbf, U+1e00-1e9f, U+1ef2-1eff, U+2020, U+20a0-20ab,
    U+20ad-20c0, U+2113, U+2c60-2c7f, U+a720-a7ff;
}

@font-face {
  font-family: "Piazzolla";
  font-style: normal;
  font-display: swap;
  font-weight: 700;
  src: url("/assets/fonts/piazzolla-latin-700-normal.woff2") format("woff2");
  unicode-range:
    U+0000-00ff, U+0131, U+0152-0153, U+02bb-02bc, U+02c6, U+02da, U+02dc,
    U+0304, U+0308, U+0329, U+2000-206f, U+20ac, U+2122, U+2191, U+2193,
    U+2212, U+2215, U+feff, U+fffd;
}

:root {
  /* Figma colour primitives; approved frame aliases are defined below. */
  --v1-colour-black: #000;
  --v1-colour-white: #fff;
  --v1-colour-parchment: #fcf5e5;
  --v1-colour-beige: #f5f5dc;
  --v1-colour-ivory: #fffff0;
  --v1-colour-alabaster: #edeade;
  --v1-colour-bone-white: #f9f6ee;
  --v1-colour-canvas: #f5fffb;
  --v1-colour-bronze: #9a6b3f;
  --v1-colour-emerald: #0b6b4f;
  --v1-colour-border: #adadad;
  --v1-colour-ink: #1f1f1f;
  --v1-colour-secondary: #666;
  --v1-colour-card-author: #6b6b6b;
  --v1-colour-selector-text: #737373;
  --v1-colour-selector-text-muted: #949494;
  --v1-colour-selector-option: #2e2e2e;
  --v1-colour-selector-border: #c2c2c2;
  --v1-colour-reader-border: #8c8c8c;
  --v1-colour-reader-divider: #d1ccc2;
  --v1-colour-reader-active: #d4bd9c;
  --v1-colour-reader-selected: #f2e8d6;
  --v1-colour-reader-panel-light: #fefcf9;
  --v1-colour-reader-surface-warm: #f9f0dd;
  --v1-colour-reader-divider-warm: #c7b594;
  --v1-colour-reader-page-dark: #151413;
  --v1-colour-reader-surface-dark: #23211f;
  --v1-colour-reader-panel-dark: #1e1c1b;
  --v1-colour-reader-primary-dark: #e8e4da;
  --v1-colour-reader-secondary-dark: #aba69c;
  --v1-colour-reader-border-dark: #4f4a45;
  --v1-colour-reader-divider-dark: #403c38;
  --v1-colour-reader-icon-dark: #e6e0d6;
  --v1-colour-transparent: transparent;
  --v1-card-title-panel-opacity: 0.7;

  /* Approved type families and exact type values from the reference frames. */
  --v1-font-edition-cover: "Cinzel", Georgia, serif;
  --v1-font-result-card: "Cormorant Garamond", Georgia, serif;
  --v1-font-display: "Cormorant Garamond", Georgia, serif;
  --v1-font-interface: "Lato", Arial, sans-serif;
  --v1-font-reading: "Piazzolla", Georgia, serif;
  --v1-font-search-home: "Inter", Arial, sans-serif;
  --v1-font-search-results: "Piazzolla", Georgia, serif;
  --v1-type-search-home: 400 18px/24px var(--v1-font-search-home);
  --v1-type-search-results: 400 18px/24px var(--v1-font-search-results);
  --v1-type-result-card-title: 500 14px/16px var(--v1-font-result-card);
  --v1-type-result-card-author: 500 11px/14px var(--v1-font-result-card);
  --v1-type-edition-cover-title: 400 14px/16px var(--v1-font-edition-cover);
  --v1-type-edition-cover-author: 400 11px/14px var(--v1-font-edition-cover);
  --v1-type-card-reverse: 400 14px/21px var(--v1-font-interface);
  --v1-type-work-title: 500 58px/62px var(--v1-font-display);
  --v1-type-work-author: 400 27px/34px var(--v1-font-reading);
  --v1-type-work-body: 400 18px/28px var(--v1-font-reading);
  --v1-type-work-metadata: 700 16px/24px var(--v1-font-reading);
  --v1-type-work-action: 400 17px/24px var(--v1-font-reading);
  --v1-type-selector: 400 16px/22px var(--v1-font-interface);
  --v1-type-purchase-option: 400 14px/18px var(--v1-font-reading);
  --v1-type-reader-panel-title: 500 22px/28px var(--v1-font-display);
  --v1-type-reader-toc-label: 400 15px/20px var(--v1-font-reading);
  --v1-type-reader-query: 400 16px/22px var(--v1-font-reading);
  --v1-type-reader-result: 400 14px/20px var(--v1-font-reading);
  --v1-tracking-card-title: 0.3px;
  --v1-tracking-card-author: 0.1px;
  --v1-tracking-work-title: 1.2px;

  /*
   * Reusable spacing from approved frames. The Foundations page describes its
   * broader neutral scale as provisional; component-specific values below are
   * the implementation authority.
   */
  --v1-space-1: 4px;
  --v1-space-2: 8px;
  --v1-space-3: 12px;
  --v1-space-4: 16px;
  --v1-space-5: 20px;
  --v1-space-6: 24px;
  --v1-space-8: 32px;
  --v1-space-10: 40px;
  --v1-space-12: 48px;
  --v1-space-16: 64px;
  --v1-border-width: 1px;
  --v1-radius-reader: 5px;
  --v1-radius-small: 8px;
  --v1-radius-search: 32px;

  /* Exact component geometry from approved 1440px reference frames. */
  --v1-search-width: 620px;
  --v1-search-height: 64px;
  --v1-search-padding-inline: 24px;
  /* 19px content padding plus the 1px border reproduces Figma's 64px box. */
  --v1-search-padding-block: 19px;
  --v1-search-results-top: 160px;
  --v1-results-reference-outer-margin: 180px;
  --v1-results-column-gap: 120px;
  --v1-results-row-gap: 48px;
  --v1-card-width: 180px;
  --v1-card-height: 270px;
  --v1-card-title-top: 174px;
  --v1-card-title-inset-top: 174px;
  --v1-card-title-inset-right: 10px;
  --v1-card-title-inset-bottom: 13px;
  --v1-card-title-inset-left: 13px;
  --v1-card-title-padding: 8px;
  --v1-card-title-gap: 3px;
  --v1-work-return-size: 48px;
  --v1-work-return-radius: 24px;
  --v1-work-return-icon-size: 24px;
  --v1-work-information-width: 790px;
  --v1-work-information-min-height: 700px;
  --v1-work-information-padding-inline: 26px;
  --v1-work-information-gap: 20px;
  --v1-work-copy-width: 738px;
  --v1-work-metadata-gap: 30px;
  --v1-work-edition-width: 472px;
  --v1-work-edition-min-height: 456px;
  --v1-work-edition-padding-inline: 48px;
  --v1-work-edition-padding-block: 20px;
  --v1-work-edition-selector-width: 307px;
  --v1-work-edition-description-width: 424px;
  --v1-work-edition-description-min-height: 91px;
  --v1-work-edition-main-width: 376px;
  --v1-work-edition-main-gap: 60px;
  --v1-work-action-stack-gap: 32px;
  --v1-work-selector-width: 300px;
  --v1-work-selector-height: 56px;
  --v1-work-selector-radius: 28px;
  --v1-work-selector-selected-width: 240px;
  --v1-work-selector-selected-height: 40px;
  --v1-work-selector-selected-inline: 30px;
  --v1-work-selector-selected-top: 8px;
  --v1-work-selector-selected-gap: 8px;
  --v1-work-selector-list-width: 260px;
  --v1-work-selector-list-min-height: 126px;
  --v1-work-selector-list-inline: 20px;
  --v1-work-selector-list-top: 44px;
  --v1-work-selector-list-padding-block: 6px;
  --v1-work-selector-option-width: 258px;
  --v1-work-selector-option-height: 36px;
  --v1-work-action-width: 100px;
  --v1-work-action-height: 38px;
  --v1-work-purchase-width: 154px;
  --v1-work-purchase-min-height: 132px;
  --v1-work-purchase-option-height: 40px;
  --v1-work-purchase-padding-block: 6px;
  --v1-reader-spread-width: 1164px;
  --v1-reader-spread-height: 700px;
  --v1-reader-gutter-width: 2px;
  --v1-reader-controls-size: 96px;
  --v1-reader-controls-radius: 5px;
  --v1-reader-control-size: 48px;
  --v1-reader-control-icon-size: 24px;
  --v1-reader-progress-width: 820px;
  --v1-reader-progress-height: 58px;
  --v1-reader-progress-line-width: 752px;
  --v1-reader-progress-line-height: 2px;
  --v1-reader-chapter-marker-size: 8px;
  --v1-reader-position-size: 18px;
  --v1-reader-page-control-width: 36px;
  --v1-reader-page-control-height: 64px;
  --v1-reader-page-icon-width: 21px;
  --v1-reader-page-icon-height: 47px;
  --v1-reader-input-fallback-inset-block: 15%;
  --v1-reader-panel-width: 350px;
  --v1-reader-panel-height: 390px;
  --v1-reader-panel-top: 95px;
  --v1-reader-panel-list-width: 290px;
  --v1-reader-panel-row-height: 42px;
  --v1-reader-search-width: 304px;
  --v1-reader-search-field-height: 44px;
  --v1-reader-search-result-height: 86px;
  --v1-reader-scrollbar-width: 4px;
  --v1-reader-scrollbar-radius: 2px;
  --v1-target-minimum: 44px;

  /* Approved effects. */
  --v1-shadow-floating: 0 10px 28px rgb(74 52 36 / 14%);
  --v1-shadow-purchase-menu: 0 8px 14px rgb(74 51 36 / 14%);

  /*
   * Semantic presentation aliases. Route and reader behaviour should consume
   * these names instead of binding itself to primitive visual values.
   */
  --v1-page-background: var(--v1-colour-canvas);
  --v1-search-surface: var(--v1-colour-white);
  --v1-search-border: var(--v1-colour-bronze);
  --v1-search-primary: var(--v1-colour-ink);
  --v1-search-secondary: var(--v1-colour-secondary);
  --v1-card-field: var(--v1-colour-ivory);
  --v1-card-panel: var(--v1-colour-white);
  --v1-card-reverse: var(--v1-colour-white);
  --v1-card-outer-border: var(--v1-colour-bronze);
  --v1-card-panel-border: var(--v1-colour-emerald);
  --v1-card-primary: var(--v1-colour-ink);
  --v1-card-secondary: var(--v1-colour-card-author);
  --v1-work-primary: var(--v1-colour-black);
  --v1-work-secondary: var(--v1-colour-secondary);
  --v1-work-action-surface: var(--v1-colour-white);
  --v1-work-selector-border: var(--v1-colour-selector-border);
  --v1-work-selector-option: var(--v1-colour-selector-option);
  --v1-work-purchase-surface: var(--v1-colour-white);
  --v1-work-purchase-border: var(--v1-colour-border);
  --v1-edition-accent: var(--v1-colour-bronze);

  /* Motion is specified behaviour, not decorative design. */
  --v1-motion-card-flip: 220ms;
  --v1-motion-hover: 140ms;
  --v1-motion-reader-control: 140ms;
  --v1-motion-reader-control-out: 500ms;
  --v1-motion-reader-control-initial-out: 2000ms;
  --v1-motion-reader-page: 120ms;
  --v1-motion-edition-accent: 180ms;
  --v1-motion-selection: 140ms;
  --v1-motion-easing: ease-in-out;
  --v1-motion-hover-scale: 1.025;

  /* Approved Figma exports; dark-reader variants are selected below. */
  --v1-icon-work-return: url("/assets/icons/work-return.svg");
  --v1-icon-work-edition-chevron: url("/assets/icons/work-edition-chevron.svg");
  --v1-icon-work-edition-chevron-muted: url("/assets/icons/work-edition-chevron-muted.svg");
  --v1-icon-reader-toc: url("/assets/icons/reader-toc.svg");
  --v1-icon-reader-bookmark: url("/assets/icons/reader-bookmark.svg");
  --v1-icon-reader-search: url("/assets/icons/reader-search.svg");
  --v1-icon-reader-return: url("/assets/icons/reader-return.svg");
  --v1-icon-reader-theme: url("/assets/icons/reader-theme.svg");
  --v1-icon-reader-font-increase: url("/assets/icons/reader-font-increase.svg");
  --v1-icon-reader-font-decrease: url("/assets/icons/reader-font-decrease.svg");
  --v1-icon-reader-fullscreen: url("/assets/icons/reader-fullscreen.svg");
  --v1-icon-reader-page-previous: url("/assets/icons/reader-page-previous.svg");
  --v1-icon-reader-page-next: url("/assets/icons/reader-page-next.svg");
  --v1-icon-reader-chapter-marker: url("/assets/icons/reader-chapter-marker.svg");
  --v1-icon-reader-position: url("/assets/icons/reader-position.svg");

  /* Light is the default approved reader mode. */
  --v1-reader-page: var(--v1-colour-white);
  --v1-reader-control: var(--v1-colour-white);
  --v1-reader-panel: var(--v1-colour-white);
  --v1-reader-progress: var(--v1-colour-white);
  --v1-reader-primary: var(--v1-colour-ink);
  --v1-reader-secondary: var(--v1-colour-secondary);
  --v1-reader-border: var(--v1-colour-reader-border);
  --v1-reader-divider: var(--v1-colour-reader-divider);
  --v1-reader-icon: var(--v1-colour-ink);

  /*
   * Explicitly provisional, token-consistent treatments where the approved
   * Figma file has no state. Do not promote these to approved brand values.
   */
  --v1-provisional-colour-ruby: #9a3f57;
  --v1-colour-edition-ruby: var(--v1-provisional-colour-ruby);
  --v1-state-loading-surface: var(--v1-colour-alabaster);
  --v1-state-disabled-surface: var(--v1-colour-white);
  --v1-state-disabled-text: var(--v1-colour-secondary);
  --v1-state-disabled-border: var(--v1-colour-border);
  --v1-state-error-surface: var(--v1-colour-white);
  --v1-state-error-text: var(--v1-colour-ink);
  --v1-state-error-border: var(--v1-colour-border);
  --v1-provisional-results-minimum-outer-margin: 16px;
  --v1-provisional-results-minimum-gap: 16px;
  --v1-provisional-card-minimum-width: 136px;
  --v1-focus-colour: var(--v1-colour-ink);
  --v1-focus-width: 2px;
  --v1-focus-offset: 3px;
}

:where([data-edition-accent="bronze"]) {
  --v1-edition-accent: var(--v1-colour-bronze);
}

:where([data-edition-accent="emerald"]) {
  --v1-edition-accent: var(--v1-colour-emerald);
}

:where([data-edition-accent="ruby"]) {
  --v1-edition-accent: var(--v1-colour-edition-ruby);
}

:where(
  [data-reader-theme="warm"],
  .reader-stage[data-theme="warm"],
  .reader-shell[data-theme="warm"]
) {
  --v1-reader-page: var(--v1-colour-parchment);
  --v1-reader-control: var(--v1-colour-reader-surface-warm);
  --v1-reader-panel: var(--v1-colour-reader-surface-warm);
  --v1-reader-progress: var(--v1-colour-reader-surface-warm);
  --v1-reader-primary: var(--v1-colour-ink);
  --v1-reader-secondary: var(--v1-colour-secondary);
  --v1-reader-border: var(--v1-colour-reader-border);
  --v1-reader-divider: var(--v1-colour-reader-divider-warm);
  --v1-reader-icon: var(--v1-colour-ink);
}

:where(
  [data-reader-theme="dark"],
  .reader-stage[data-theme="dark"],
  .reader-shell[data-theme="dark"]
) {
  --v1-reader-page: var(--v1-colour-reader-page-dark);
  --v1-reader-control: var(--v1-colour-reader-surface-dark);
  --v1-reader-panel: var(--v1-colour-reader-panel-dark);
  --v1-reader-progress: var(--v1-colour-reader-surface-dark);
  --v1-reader-primary: var(--v1-colour-reader-primary-dark);
  --v1-reader-secondary: var(--v1-colour-reader-secondary-dark);
  --v1-reader-border: var(--v1-colour-reader-border-dark);
  --v1-reader-divider: var(--v1-colour-reader-divider-dark);
  --v1-reader-icon: var(--v1-colour-reader-icon-dark);
  --v1-focus-colour: var(--v1-colour-reader-icon-dark);
  --v1-icon-reader-toc: url("/assets/icons/reader-toc-dark.svg");
  --v1-icon-reader-bookmark: url("/assets/icons/reader-bookmark-dark.svg");
  --v1-icon-reader-search: url("/assets/icons/reader-search-dark.svg");
  --v1-icon-reader-return: url("/assets/icons/reader-return-dark.svg");
  --v1-icon-reader-theme: url("/assets/icons/reader-theme-dark.svg");
  --v1-icon-reader-font-increase: url("/assets/icons/reader-font-increase-dark.svg");
  --v1-icon-reader-font-decrease: url("/assets/icons/reader-font-decrease-dark.svg");
  --v1-icon-reader-fullscreen: url("/assets/icons/reader-fullscreen-dark.svg");
  --v1-icon-reader-page-previous: url("/assets/icons/reader-page-previous-dark.svg");
  --v1-icon-reader-page-next: url("/assets/icons/reader-page-next-dark.svg");
  --v1-icon-reader-chapter-marker: url("/assets/icons/reader-chapter-marker-dark.svg");
  --v1-icon-reader-position: url("/assets/icons/reader-position-dark.svg");
}

:where(.v1-focus-ring, [data-v1-focus-ring]):focus-visible {
  outline: var(--v1-focus-width) solid var(--v1-focus-colour);
  outline-offset: var(--v1-focus-offset);
}

@media (prefers-reduced-motion: reduce) {
  :root {
    --v1-motion-card-flip: 0ms;
    --v1-motion-hover: 0ms;
    --v1-motion-reader-control: 0ms;
    --v1-motion-reader-control-out: 0ms;
    --v1-motion-reader-control-initial-out: 0ms;
    --v1-motion-reader-page: 0ms;
    --v1-motion-edition-accent: 0ms;
    --v1-motion-selection: 0ms;
    --v1-motion-hover-scale: 1;
  }
}

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

html {
  min-width: 320px;
  color-scheme: light;
  background: var(--v1-page-background);
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  color: var(--v1-work-primary);
  background: var(--v1-page-background);
  font-family: var(--v1-font-reading);
}

button,
input,
select {
  color: inherit;
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

a {
  color: inherit;
}

:where(a, button, input, select, [tabindex]):focus-visible {
  outline: var(--v1-focus-width) solid var(--v1-focus-colour);
  outline-offset: var(--v1-focus-offset);
}

[hidden] {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.home-page,
.results-page,
.work-page,
.reader-page {
  min-height: 100vh;
}

.home-page {
  display: grid;
  place-items: center;
  padding:
    max(var(--v1-space-4), env(safe-area-inset-top))
    max(var(--v1-space-4), env(safe-area-inset-right))
    max(var(--v1-space-4), env(safe-area-inset-bottom))
    max(var(--v1-space-4), env(safe-area-inset-left));
}

.search-hero {
  display: grid;
  width: 100%;
  place-items: center;
}

.search-bar {
  display: flex;
  align-items: center;
  width: min(var(--v1-search-width), calc(100vw - 2 * var(--v1-space-4)));
  min-height: var(--v1-search-height);
  padding: var(--v1-search-padding-block) var(--v1-search-padding-inline);
  border: var(--v1-border-width) solid var(--v1-search-border);
  border-radius: var(--v1-radius-search);
  background: var(--v1-search-surface);
  box-shadow: var(--v1-shadow-floating);
}

.search-bar input {
  width: 100%;
  min-width: 0;
  padding: 0;
  border: 0;
  outline: 0;
  color: var(--v1-search-primary);
  background: transparent;
  font: var(--v1-type-search-home);
  text-overflow: ellipsis;
}

.search-bar--sticky input {
  font: var(--v1-type-search-results);
}

.search-bar input::placeholder {
  color: var(--v1-search-secondary);
  opacity: 1;
}

.search-bar input[data-state="submitted"] {
  color: var(--v1-search-secondary);
}

.results-page {
  padding:
    56px max(var(--v1-provisional-results-minimum-outer-margin), env(safe-area-inset-right))
    max(var(--v1-space-12), env(safe-area-inset-bottom))
    max(var(--v1-provisional-results-minimum-outer-margin), env(safe-area-inset-left));
}

.search-bar--sticky {
  position: sticky;
  top: var(--v1-space-4);
  z-index: 20;
  margin-inline: auto;
}

.results-shell {
  width: 100%;
  margin-top: 40px;
}

.results-summary {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
}

.results-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  width: min(1080px, 100%);
  margin-inline: auto;
  gap: var(--v1-results-row-gap) var(--v1-results-column-gap);
}

.result-card {
  position: relative;
  display: block;
  flex: 0 0 var(--v1-card-width);
  width: var(--v1-card-width);
  aspect-ratio: 2 / 3;
  color: var(--v1-card-primary);
  text-decoration: none;
  perspective: 900px;
  overflow: visible;
}

.result-card__inner {
  position: absolute;
  inset: 0;
  display: block;
  transform-style: preserve-3d;
  transition:
    transform var(--v1-motion-card-flip) var(--v1-motion-easing),
    filter var(--v1-motion-hover) var(--v1-motion-easing);
}

.result-card__face {
  position: absolute;
  inset: 0;
  display: block;
  overflow: hidden;
  border: var(--v1-border-width) solid var(--v1-card-outer-border);
  box-shadow: var(--v1-shadow-floating);
  backface-visibility: hidden;
}

.result-card__face--front {
  background: var(--v1-card-field);
}

.result-card__panel {
  position: absolute;
  inset:
    var(--v1-card-title-inset-top) var(--v1-card-title-inset-right)
    var(--v1-card-title-inset-bottom) var(--v1-card-title-inset-left);
  display: flex;
  flex-direction: column;
  gap: var(--v1-card-title-gap);
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: var(--v1-card-title-padding);
  border: var(--v1-border-width) solid var(--v1-card-panel-border);
  background: color-mix(
    in srgb,
    var(--v1-card-panel) calc(var(--v1-card-title-panel-opacity) * 100%),
    transparent
  );
}

.result-card__title,
.result-card__author {
  display: -webkit-box;
  flex: 0 0 auto;
  width: 100%;
  overflow: hidden;
  text-align: center;
  overflow-wrap: anywhere;
  -webkit-box-orient: vertical;
}

.result-card__title {
  font: var(--v1-type-result-card-title);
  letter-spacing: var(--v1-tracking-card-title);
  -webkit-line-clamp: 4;
}

.result-card__author {
  color: var(--v1-card-secondary);
  font: var(--v1-type-result-card-author);
  letter-spacing: var(--v1-tracking-card-author);
  -webkit-line-clamp: 2;
}

.result-card__face--back {
  display: grid;
  align-items: center;
  padding: 18px;
  background: var(--v1-card-reverse);
  transform: rotateY(180deg);
}

.result-card__snippet {
  display: -webkit-box;
  overflow: hidden;
  font: var(--v1-type-card-reverse);
  overflow-wrap: anywhere;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 11;
}

@media (hover: hover) and (pointer: fine) {
  .result-card:hover .result-card__inner {
    transform: scale(var(--v1-motion-hover-scale)) rotateY(180deg);
  }
}

.result-card:focus-visible .result-card__inner,
.result-card[data-disclosed="keyboard"] .result-card__inner,
.result-card[data-disclosed="touch"] .result-card__inner {
  transform: scale(var(--v1-motion-hover-scale)) rotateY(180deg);
}

.result-card--skeleton {
  border: var(--v1-border-width) solid var(--v1-state-disabled-border);
  background:
    linear-gradient(
      to bottom,
      var(--v1-state-loading-surface) 0 64%,
      var(--v1-state-disabled-surface) 64% 100%
    );
}

.results-state,
.results-sentinel,
.application-fallback,
.work-loading,
.work-error,
.reader-route-loading,
.reader-route-error {
  width: min(620px, 100%);
  margin: var(--v1-space-10) auto 0;
  padding: var(--v1-space-5);
  border: var(--v1-border-width) solid var(--v1-state-disabled-border);
  background: var(--v1-state-disabled-surface);
  color: var(--v1-state-disabled-text);
  text-align: center;
  font: var(--v1-type-selector);
}

.results-state p,
.results-sentinel p,
.work-error p,
.reader-route-error p {
  margin: 0;
}

.results-sentinel {
  min-height: 96px;
  border-color: transparent;
  background: transparent;
}

.text-action {
  min-width: var(--v1-target-minimum);
  min-height: var(--v1-target-minimum);
  margin-top: var(--v1-space-3);
  padding: var(--v1-space-2) var(--v1-space-4);
  border: var(--v1-border-width) solid currentColor;
  background: transparent;
  cursor: pointer;
}

.work-page {
  position: relative;
  padding:
    71px max(0px, env(safe-area-inset-right))
    max(var(--v1-space-12), env(safe-area-inset-bottom))
    max(0px, env(safe-area-inset-left));
}

.work-return {
  position: absolute;
  top: 40px;
  left: 40px;
  z-index: 30;
  display: block;
  width: var(--v1-work-return-size);
  height: var(--v1-work-return-size);
  border: var(--v1-border-width) solid var(--v1-colour-border);
  border-radius: var(--v1-work-return-radius);
  background: var(--v1-colour-white);
  text-decoration: none;
  transition: transform var(--v1-motion-hover) var(--v1-motion-easing);
}

.work-return:focus-visible {
  transform: scale(var(--v1-motion-hover-scale));
}

@media (hover: hover) and (pointer: fine) {
  .work-return:hover {
    transform: scale(var(--v1-motion-hover-scale));
  }
}

.work-return:active {
  transform: scale(1);
}

.work-return img {
  display: block;
  width: var(--v1-work-return-icon-size);
  height: var(--v1-work-return-icon-size);
  margin: calc(
    (var(--v1-work-return-size) - var(--v1-work-return-icon-size)) / 2 -
      var(--v1-border-width)
  );
}

.work-content {
  display: grid;
  grid-template-columns: minmax(0, 790fr) minmax(0, 472fr);
  gap: 0;
  align-items: start;
  width: 1262px;
  max-width: calc(100% - 68px);
  margin-left: max(52px, calc((100% - 1200px) / 2));
}

.work-information {
  display: flex;
  flex-direction: column;
  gap: var(--v1-work-information-gap);
  width: 100%;
  min-height: var(--v1-work-information-min-height);
  margin-top: 21px;
  padding-inline: var(--v1-work-information-padding-inline);
}

.work-information h1 {
  min-height: 72px;
  max-width: var(--v1-work-copy-width);
  margin: 0;
  font: var(--v1-type-work-title);
  letter-spacing: var(--v1-tracking-work-title);
  overflow-wrap: anywhere;
}

.work-author,
.work-description {
  max-width: var(--v1-work-copy-width);
  margin: 0;
  overflow-wrap: anywhere;
}

.work-author {
  min-height: 40px;
  color: var(--v1-work-secondary);
  font: var(--v1-type-work-author);
}

.work-description {
  min-height: 112px;
  color: var(--v1-work-primary);
  font: var(--v1-type-work-body);
}

.work-metadata {
  display: flex;
  flex-wrap: wrap;
  gap: var(--v1-space-2) var(--v1-work-metadata-gap);
  max-width: var(--v1-work-copy-width);
  padding: 0;
  margin: 0;
  list-style: none;
  font: var(--v1-type-work-metadata);
}

.work-metadata li {
  overflow-wrap: anywhere;
}

.edition-assembly {
  container: work-edition / inline-size;
  display: grid;
  grid-template-columns:
    var(--v1-work-action-width)
    minmax(var(--v1-space-4), var(--v1-work-edition-main-gap))
    minmax(var(--v1-provisional-card-minimum-width), var(--v1-card-width))
    minmax(0, 36px);
  gap: 0;
  align-items: start;
  width: 100%;
  min-height: var(--v1-work-edition-min-height);
  margin-left: -10px;
  padding:
    var(--v1-work-edition-padding-block)
    clamp(
      var(--v1-space-4),
      calc((100% - var(--v1-work-edition-main-width)) / 2),
      var(--v1-work-edition-padding-inline)
    );
}

.edition-picker {
  position: relative;
  z-index: 12;
  grid-column: 1 / -1;
  justify-self: center;
  width: min(
    var(--v1-work-edition-selector-width),
    calc(100cqi - var(--v1-space-4) - var(--v1-space-4))
  );
}

.edition-picker__trigger {
  position: relative;
  display: flex;
  gap: var(--v1-space-2);
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: var(--v1-work-selector-height);
  padding: var(--v1-space-2) 30px;
  overflow: hidden;
  border: 0;
  border-radius: var(--v1-work-selector-radius);
  background: transparent;
  color: var(--v1-colour-selector-text);
  cursor: pointer;
  font: var(--v1-type-selector);
  text-align: center;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.edition-picker__trigger:focus:not(:focus-visible) {
  outline: 0;
}

.edition-picker__trigger::after {
  flex: 0 0 auto;
  width: 10px;
  height: 7px;
  background: var(--v1-icon-work-edition-chevron) center / contain no-repeat;
  content: "";
  transform: rotate(180deg);
}

.edition-picker__trigger:disabled {
  color: var(--v1-colour-selector-text-muted);
  cursor: default;
}

.edition-picker__trigger:disabled::after {
  background-image: var(--v1-icon-work-edition-chevron-muted);
}

.edition-picker__menu {
  position: absolute;
  top: var(--v1-work-selector-list-top);
  left: 20px;
  z-index: 20;
  width: var(--v1-work-selector-list-width);
  max-height: min(50vh, 288px);
  padding-block: var(--v1-work-selector-list-padding-block);
  overflow-y: auto;
  border: var(--v1-border-width) solid var(--v1-work-selector-border);
  background: var(--v1-colour-white);
  box-shadow: var(--v1-shadow-floating);
}

.edition-picker__option {
  display: flex;
  align-items: center;
  width: 100%;
  min-height: var(--v1-work-selector-option-height);
  padding: var(--v1-space-2) var(--v1-space-3);
  color: var(--v1-work-selector-option);
  cursor: pointer;
  font: var(--v1-type-selector);
  overflow-wrap: anywhere;
}

.edition-picker__option[aria-selected="true"] {
  background: var(--v1-colour-reader-selected);
}

.edition-picker__option[data-active="true"] {
  box-shadow: inset 3px 0 var(--v1-colour-bronze);
}

.edition-description {
  grid-column: 1 / -1;
  justify-self: center;
  width: min(
    var(--v1-work-edition-description-width),
    calc(100cqi - var(--v1-space-4) - var(--v1-space-4))
  );
  min-height: var(--v1-work-edition-description-min-height);
  margin: 0;
  color: var(--v1-work-primary);
  font: var(--v1-type-work-body);
  overflow-wrap: anywhere;
}

.edition-error {
  grid-column: 1 / -1;
  width: 100%;
  margin: 0;
  color: var(--v1-state-error-text);
  font: var(--v1-type-selector);
  text-align: center;
}

.edition-cover {
  position: relative;
  grid-column: 3;
  grid-row: 3;
  width: min(var(--v1-card-width), 100%);
  height: auto;
  aspect-ratio: 2 / 3;
  margin: 0;
  overflow: hidden;
  border: var(--v1-border-width) solid var(--v1-edition-accent);
  background: var(--v1-card-field);
  box-shadow: var(--v1-shadow-floating);
  transition: border-color var(--v1-motion-edition-accent)
    var(--v1-motion-easing);
}

@container work-edition (width < 340px) {
  .edition-picker__menu {
    left: 50%;
    width: min(var(--v1-work-selector-list-width), 100%);
    transform: translateX(-50%);
  }
}

.edition-cover img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.edition-cover__fallback {
  position: absolute;
  top: 64.4444%;
  right: var(--v1-card-title-inset-right);
  bottom: 4.8148%;
  left: var(--v1-card-title-inset-left);
  display: grid;
  gap: var(--v1-card-title-gap);
  align-content: center;
  padding: var(--v1-card-title-padding);
  border: var(--v1-border-width) solid var(--v1-colour-emerald);
  background: rgb(255 255 255 / 70%);
  text-align: center;
}

.edition-cover[data-fallback="false"] .edition-cover__fallback {
  display: none;
}

.edition-cover__fallback span:first-child {
  font: var(--v1-type-edition-cover-title);
}

.edition-cover__fallback span:last-child {
  color: var(--v1-card-secondary);
  font: var(--v1-type-edition-cover-author);
}

.edition-actions {
  display: flex;
  flex-direction: column;
  grid-column: 1;
  grid-row: 3;
  gap: var(--v1-work-action-stack-gap);
  align-items: stretch;
  width: var(--v1-work-action-width);
  margin-top: 46px;
}

.edition-action {
  display: inline-grid;
  place-items: center;
  width: var(--v1-work-action-width);
  min-height: var(--v1-work-action-height);
  padding: 5px var(--v1-space-3);
  border: var(--v1-border-width) solid var(--v1-edition-accent);
  background: var(--v1-work-action-surface);
  box-shadow: var(--v1-shadow-floating);
  color: var(--v1-edition-accent);
  cursor: pointer;
  font: var(--v1-type-work-action);
  text-decoration: none;
  transition:
    color var(--v1-motion-edition-accent) var(--v1-motion-easing),
    border-color var(--v1-motion-edition-accent) var(--v1-motion-easing),
    transform var(--v1-motion-hover) var(--v1-motion-easing);
}

.edition-action:hover:not(:disabled):not([aria-disabled="true"]),
.edition-action:focus-visible:not(:disabled):not([aria-disabled="true"]) {
  transform: scale(var(--v1-motion-hover-scale));
}

.edition-action:active:not(:disabled):not([aria-disabled="true"]) {
  transform: scale(1);
}

.edition-action:disabled,
.edition-action[aria-disabled="true"] {
  border-color: var(--v1-state-disabled-border);
  color: var(--v1-state-disabled-text);
  cursor: not-allowed;
}

.purchase-control {
  position: relative;
}

.purchase-menu {
  position: absolute;
  top: calc(100% + var(--v1-space-2));
  right: 0;
  z-index: 24;
  display: grid;
  width: var(--v1-work-purchase-width);
  max-height: min(40vh, 246px);
  padding-block: var(--v1-work-purchase-padding-block);
  overflow-y: auto;
  border: var(--v1-border-width) solid var(--v1-work-purchase-border);
  background: var(--v1-work-purchase-surface);
  box-shadow: var(--v1-shadow-purchase-menu);
}

.purchase-menu a {
  display: flex;
  align-items: center;
  min-height: var(--v1-work-purchase-option-height);
  padding: var(--v1-space-2) var(--v1-space-3);
  font: var(--v1-type-purchase-option);
  text-decoration: none;
  overflow-wrap: anywhere;
}

.purchase-menu a:hover,
.purchase-menu a:focus-visible {
  background: var(--v1-colour-reader-selected);
}

.reader-page {
  display: grid;
  min-height: 100vh;
  align-items: start;
  justify-items: center;
  padding:
    max(var(--v1-space-16), env(safe-area-inset-top))
    max(var(--v1-space-4), env(safe-area-inset-right))
    max(var(--v1-space-4), env(safe-area-inset-bottom))
    max(var(--v1-space-4), env(safe-area-inset-left));
  background: var(--v1-page-background);
}

.reader-page > * {
  grid-area: 1 / 1;
}

.reader-page #reader-mount {
  display: grid;
  width: 100%;
  min-width: 0;
  place-items: start center;
}

.reader-route-loading,
.reader-route-error {
  position: relative;
  z-index: 60;
  align-self: center;
}

.reader-route-error {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--v1-space-3);
}

.reader-route-error p {
  flex-basis: 100%;
}

.reader-route-error a {
  display: inline-grid;
  min-height: var(--v1-target-minimum);
  place-items: center;
}

.lab-page {
  min-height: 100vh;
  padding: var(--v1-space-8);
  font: var(--v1-type-selector);
}

.lab-header,
.lab-controls,
.lab-grid {
  width: min(1680px, 100%);
  margin-inline: auto;
}

.lab-header h1 {
  margin: 0;
  font: var(--v1-type-work-title);
}

.lab-controls {
  display: flex;
  flex-wrap: wrap;
  gap: var(--v1-space-3);
  margin-block: var(--v1-space-5);
  padding: var(--v1-space-3);
  border: var(--v1-border-width) solid var(--v1-colour-border);
  background: var(--v1-colour-white);
}

.lab-controls label {
  display: flex;
  align-items: center;
  gap: var(--v1-space-2);
}

.lab-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 310px;
  gap: var(--v1-space-4);
}

.lab-diagnostics {
  max-height: 900px;
  padding: var(--v1-space-4);
  overflow: auto;
  background: var(--v1-colour-reader-page-dark);
  color: var(--v1-colour-reader-primary-dark);
}

.lab-diagnostics dl {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
}

.lab-diagnostics dt,
.lab-diagnostics dd {
  min-width: 0;
  margin: 0;
  padding: var(--v1-space-2);
  overflow-wrap: anywhere;
}

@media (width < 1280px) {
  .results-grid {
    width: min(636px, 100%);
    column-gap: 48px;
  }
}

@media (600px <= width < 1280px) {
  .result-card {
    flex-basis: min(
      var(--v1-card-width),
      calc((100vw - 2 * var(--v1-space-8) - 2 * 24px) / 3)
    );
  }
}

@media (width < 900px) {
  .results-page {
    padding-top: var(--v1-space-5);
  }

  .search-bar--sticky {
    top: var(--v1-space-2);
  }

  .results-shell {
    margin-top: var(--v1-space-8);
  }

  .results-grid {
    column-gap: 24px;
  }

  .work-page {
    padding-top: 88px;
  }

  .work-return {
    position: absolute;
    top: var(--v1-space-5);
    left: max(var(--v1-space-4), env(safe-area-inset-left));
  }

  .work-content {
    grid-template-columns: minmax(0, 790px);
    justify-content: center;
    width: 100%;
    max-width: 100%;
    margin: 0;
  }

  .work-information {
    width: min(790px, 100%);
    min-height: 0;
    padding-inline: clamp(var(--v1-space-4), 5vw, 26px);
  }

  .edition-assembly {
    width: min(var(--v1-work-edition-width), 100%);
    margin-top: var(--v1-space-10);
    margin-left: 0;
    justify-self: center;
  }

  .lab-grid {
    grid-template-columns: 1fr;
  }

  .reader-page {
    padding:
      max(var(--v1-space-4), env(safe-area-inset-top))
      max(var(--v1-space-4), env(safe-area-inset-right))
      max(var(--v1-space-4), env(safe-area-inset-bottom))
      max(var(--v1-space-4), env(safe-area-inset-left));
  }
}

@media (width < 600px) {
  .results-grid {
    width: 100%;
    gap:
      clamp(var(--v1-space-6), 8vw, var(--v1-results-row-gap))
      var(--v1-provisional-results-minimum-gap);
  }

  .result-card {
    flex-basis: min(
      var(--v1-card-width),
      calc(
        (
            100vw - 2 * var(--v1-provisional-results-minimum-outer-margin) -
              var(--v1-provisional-results-minimum-gap)
          ) /
          2
      )
    );
    min-width: var(--v1-provisional-card-minimum-width);
  }

  .result-card__title {
    font-size: 12px;
    line-height: 14px;
  }

  .result-card__author {
    font-size: 9px;
    line-height: 11px;
  }

  .result-card__snippet {
    font-size: 12px;
    line-height: 18px;
  }

  .work-information h1 {
    font-size: clamp(40px, 14vw, 58px);
    line-height: 1.02;
  }

  .work-author {
    font-size: 22px;
    line-height: 29px;
  }

  .edition-assembly {
    grid-template-columns: minmax(136px, var(--v1-card-width)) minmax(
        100px,
        auto
      );
    column-gap: clamp(var(--v1-space-4), 8vw, var(--v1-work-edition-main-gap));
    margin-left: 0;
    padding-inline: var(--v1-space-4);
  }

  .edition-picker,
  .edition-description,
  .edition-error {
    grid-column: 1 / -1;
    width: 100%;
  }

  .edition-cover {
    grid-column: 1;
    grid-row: 3;
    width: min(var(--v1-card-width), 42vw);
    height: auto;
    aspect-ratio: 2 / 3;
  }

  .edition-actions {
    grid-column: 2;
    grid-row: 3;
    align-self: center;
    margin-top: 0;
  }

  .edition-actions,
  .edition-action {
    width: max(var(--v1-work-action-width), 28vw);
  }

  .edition-action {
    min-height: var(--v1-target-minimum);
  }

  .reader-page {
    padding: 0;
  }

  .purchase-menu {
    right: auto;
    left: 50%;
    transform: translateX(-50%);
  }

  .lab-page {
    padding: var(--v1-space-4);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
  }

  .result-card__inner,
  .result-card:hover .result-card__inner,
  .result-card:focus-visible .result-card__inner,
  .result-card[data-disclosed="keyboard"] .result-card__inner,
  .result-card[data-disclosed="touch"] .result-card__inner {
    transform: none;
    transition: none;
  }

  .result-card__face--back {
    visibility: hidden;
    transform: none;
  }

  .result-card:hover .result-card__face--front,
  .result-card:focus-visible .result-card__face--front,
  .result-card[data-disclosed="keyboard"] .result-card__face--front,
  .result-card[data-disclosed="touch"] .result-card__face--front {
    visibility: hidden;
  }

  .result-card:hover .result-card__face--back,
  .result-card:focus-visible .result-card__face--back,
  .result-card[data-disclosed="keyboard"] .result-card__face--back,
  .result-card[data-disclosed="touch"] .result-card__face--back {
    visibility: visible;
  }
}