:root {
  --frame-inset: 4px;
  --frame-width: 24px;
  --frame-clearance: 12px;
  --page-gutter: calc(
    var(--frame-inset) + var(--frame-width) + var(--frame-clearance)
  );
  --corner-art: url("assets/foliate-light-corner.svg");
  --flourish-art: url("assets/foliate-light-flourish.svg");
  --paper: #ede0bc;
  --paper-deep: #e0cca0;
  --ink: #302719;
  --muted: #6d5939;
  --gold: #aa873e;
  --gold-bright: #ddbe68;
}
:root[data-theme="dark"] {
  --corner-art: url("assets/gilded-corner.svg");
  --flourish-art: url("assets/gilded-flourish.svg");
  --paper: #0b141d;
  --paper-deep: #172b40;
  --ink: #e0e4e3;
  --muted: #aebbc5;
  --blue: #acc8ec;
  --red: #dcc17a;
  --gold: #bba064;
  --gold-bright: #ead18d;
  --line: #bba06466;
  --stage: #182e4666;
  --label: #111f30f5;
}
body {
  background-image:
    radial-gradient(ellipse at 50% 10%, #fff7da38, transparent 70%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='p'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.45' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' opacity='.075' filter='url(%23p)'/%3E%3C/svg%3E");
}
:root[data-theme="dark"] body {
  background-color: var(--paper);
  background-image: url("assets/black-vellum.svg");
}
.folio-frame {
  border-image-source: url("assets/illumination.webp");
  border-image-slice: 215;
  border-image-repeat: round;
  filter: drop-shadow(0 1px 2px #39270f70);
}
[data-theme="dark"] .folio-frame {
  border-image-source: url("assets/lapis-gilded-frame.svg");
  border-image-slice: 90;
  filter: drop-shadow(0 1px 2px #0008);
}
.volume {
  box-shadow:
    0 0 0 3px var(--paper),
    0 0 0 4px var(--gold),
    0 0 0 7px var(--paper),
    0 0 0 8px var(--line),
    inset 0 0 60px #73501d10;
}
header {
  position: relative;
  background-image:
    var(--flourish-art),
    linear-gradient(110deg, transparent, #af88451a, transparent);
  background-repeat: no-repeat;
  background-size:
    190px 52px,
    auto;
  background-position:
    52% center,
    center;
}
.brand {
  display: flex;
  align-items: center;
  white-space: nowrap;
  gap: 1px;
  font-size: 40px;
  overflow: visible;
  background: none;
  color: #173f79;
  -webkit-text-fill-color: #173f79;
  filter: none;
}
.illuminated-initial {
  display: inline-grid;
  place-items: center;
  font-size: 48px;
  line-height: 1;
  width: 44px;
  height: 50px;
  margin-right: 2px;
  color: #e2c779;
  -webkit-text-fill-color: #e2c779;
  background: #174582 url("assets/initial-lapis.svg") center/cover no-repeat;
  border: 3px double #b79a50;
  box-shadow:
    inset 0 0 0 2px #0b2d5c,
    0 0 0 1px #755e2c;
  text-shadow: 1px 1px #081c35;
  filter: none;
}
[data-theme="dark"] .illuminated-initial {
  background: #174582 url("assets/initial-lapis.svg") center/cover no-repeat;
  color: #edcf70;
  -webkit-text-fill-color: #edcf70;
  box-shadow:
    inset 0 0 0 2px #0b2d5c,
    0 0 0 1px #a08238;
}
[data-theme="dark"] header {
  background-color: #101c2a;
}
[data-theme="dark"] .book-nav {
  background: #0c1929;
  border-top: 1px solid #bb9847;
  box-shadow:
    inset 0 2px #29608b55,
    inset 0 -2px #080a0d66;
}
[data-theme="dark"] .book-nav button {
  color: #e0c984;
}
[data-theme="dark"] .book-nav button.selected {
  color: #fff0b9;
  background: linear-gradient(0deg, #0c16245e, transparent);
}
.specimen-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
}
.specimen-heading:after {
  content: "";
  flex: 0 1 145px;
  height: 36px;
  background: var(--flourish-art) center/contain no-repeat;
}
[data-theme="dark"] #viewport {
  background: radial-gradient(ellipse at 50% 40%, #14283c77, #080f18 85%);
}
.stage-florals {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 2;
}
.stage-florals i {
  position: absolute;
  width: 58px;
  height: 58px;
  background: var(--corner-art) center/contain no-repeat;
  top: 0;
  left: 0;
}
.stage-florals i:nth-child(2) {
  left: auto;
  right: 0;
  transform: rotate(90deg);
}
.stage-florals i:nth-child(3) {
  top: auto;
  bottom: 0;
  left: auto;
  right: 0;
  transform: rotate(180deg);
}
.stage-florals i:nth-child(4) {
  top: auto;
  bottom: 0;
  transform: rotate(270deg);
}
.page-heading h1 {
  position: relative;
  padding-bottom: 24px;
}
.page-heading h1:after {
  content: "";
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 160px;
  height: 30px;
  background: var(--flourish-art) left center/contain no-repeat;
}
.archive-card {
  box-shadow:
    inset 0 0 0 3px var(--paper),
    inset 0 0 0 4px var(--line);
}
.archive-image {
  background-image: var(--corner-art);
  background-position: 8px 8px;
  background-size: 52px;
  background-repeat: no-repeat;
}
.craft-card {
  background-image: var(--corner-art);
  background-position: right 3px;
  background-size: 48px;
  background-repeat: no-repeat;
  padding-right: 15px;
}
.chapter-number {
  display: inline-grid;
  place-items: center;
  border: 3px double var(--gold);
  min-width: 37px;
  height: 40px;
  font-size: 22px;
  color: var(--gold);
  background: #ae883917;
}

/* Study occupies the viewport. The other folios retain their document layout. */
:root[data-page="study"] body {
  height: 100dvh;
  min-height: 0;
  overflow: hidden;
  padding: var(--page-gutter);
}
:root[data-page="study"] .volume {
  height: 100%;
  display: flex;
  flex-direction: column;
  min-height: 0;
}
:root[data-page="study"] .folio-frame {
  position: fixed;
}
:root[data-page="study"] header {
  flex: none;
  padding: 10px 20px;
}
:root[data-page="study"] .book-nav {
  flex: none;
}
:root[data-page="study"] .book-nav button {
  padding: 6px 5px 5px;
}
:root[data-page="study"] #studyPage {
  flex: 1;
  min-height: 0;
  display: grid;
  grid-template-columns: 155px minmax(0, 1fr) 285px;
  overflow: hidden;
}
:root[data-page="study"] .collection {
  min-width: 0;
  min-height: 0;
  padding: 12px 12px 14px;
}
:root[data-page="study"] #weapons {
  height: 100%;
  display: grid;
  grid-auto-rows: minmax(34px, 1fr);
  gap: 0;
  overflow-y: auto;
  scrollbar-width: thin;
}
:root[data-page="study"] .weapon {
  min-width: 0;
  padding: 6px;
  font-size: 14px;
  display: flex;
  align-items: center;
  line-height: 1.2;
}
:root[data-page="study"] .workbench {
  grid-template-columns: minmax(0, 1fr);
  min-height: 0;
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr) auto auto;
  padding: 0 20px 2px;
}
:root[data-page="study"] .specimen-heading {
  padding: 13px 0 10px;
}
:root[data-page="study"] h1 {
  font-size: 36px;
}
:root[data-page="study"] .stage-toolbar {
  margin-bottom: 10px;
  gap: 7px;
}
:root[data-page="study"] .stage-toolbar button {
  min-height: 36px;
  padding: 7px 10px;
  font-size: 12px;
}
:root[data-page="study"] .stage-toolbar .primary {
  min-height: 38px;
  font-size: 14px !important;
}
:root[data-page="study"] #viewport {
  height: auto;
  min-height: 0;
  flex: none;
}
:root[data-page="study"] .view-controls {
  padding: 3px 0;
}
:root[data-page="study"] .assembly {
  padding: 5px 2px 0;
  margin: 0;
}
:root[data-page="study"] .assembly input {
  margin: 10px 0;
}
:root[data-page="study"] .assembly-actions button {
  padding: 7px 4px;
}
:root[data-page="study"] .inspector {
  min-height: 0;
  padding: 0 17px 12px;
  display: flex;
  flex-direction: column;
  overflow: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--gold) transparent;
}
:root[data-page="study"] .inspector-tabs {
  min-height: 45px;
  height: 45px;
  flex: none;
  margin-bottom: 10px;
}
:root[data-page="study"] .study-modes {
  margin-bottom: 7px;
}
:root[data-page="study"] .part-row {
  padding: 5px 3px;
  font-size: 12px;
  min-height: 30px;
}
:root[data-page="study"] #partDetail {
  margin-top: 13px;
  padding-top: 12px;
}
:root[data-page="study"] #partDetail h2 {
  font-size: 29px;
  margin-bottom: 10px;
}
:root[data-page="study"] #partDescription {
  font-size: 14px;
  line-height: 1.55;
  margin-bottom: 12px;
}
:root[data-page="study"] #partSources {
  gap: 6px;
  margin-bottom: 10px;
}
:root[data-page="study"] #partSources a {
  font-size: 11px;
  line-height: 1.3;
}
:root[data-page="study"] .part-navigation {
  padding-top: 7px;
}
:root[data-page="study"] #historyPanel {
  font-size: 13px;
  line-height: 1.55;
}
:root[data-page="study"] #historyPanel h2 {
  font-size: 27px;
  margin: 10px 0;
}
:root[data-page="study"] #sources {
  margin-top: 12px;
  gap: 8px;
}

@media (min-width: 1550px) and (min-height: 850px) {
  :root[data-page="study"] #studyPage {
    grid-template-columns: 195px minmax(0, 1fr) 320px;
  }
  :root[data-page="study"] .weapon {
    font-size: 17px;
  }
  :root[data-page="study"] h1 {
    font-size: 48px;
  }
  :root[data-page="study"] #partDescription {
    font-size: 16px;
    line-height: 1.8;
  }
  :root[data-page="study"] .part-row {
    font-size: 15px;
    min-height: 40px;
  }
  :root[data-page="study"] #partDetail {
    margin-top: 22px;
    padding-top: 20px;
  }
  :root[data-page="study"] #partDetail h2 {
    font-size: 36px;
  }
}
@media (max-width: 1000px) {
  header {
    background-size:
      110px 35px,
      auto;
    background-position:
      54% center,
      center;
  }
  :root[data-page="study"] #studyPage {
    grid-template-columns: minmax(0, 1fr) 250px;
    grid-template-rows: 46px minmax(0, 1fr);
  }
  :root[data-page="study"] .collection {
    grid-column: 1/-1;
    padding: 0 12px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
  :root[data-page="study"] #weapons {
    display: flex;
    flex-direction: row;
    overflow-x: auto;
    gap: 4px;
    padding: 5px 0;
  }
  :root[data-page="study"] .weapon {
    min-width: max-content;
    width: auto;
    font-size: 12px;
    padding: 5px 10px;
  }
  :root[data-page="study"] .inspector {
    padding-left: 13px;
    padding-right: 13px;
  }
}
@media (max-width: 660px) {
  header {
    background-image: none;
  }
  .brand {
    font-size: 29px;
  }
  .illuminated-initial {
    font-size: 36px;
    width: 30px;
    height: 40px;
  }
  .page-heading h1:after {
    width: 125px;
  }
  :root[data-page="study"] body {
    padding: var(--page-gutter);
  }
  :root[data-page="study"] header {
    padding: 7px 10px;
  }
  :root[data-page="study"] .brand {
    font-size: 27px;
  }
  :root[data-page="study"] .header-actions {
    flex-direction: row;
    gap: 4px;
  }
  :root[data-page="study"] .header-actions button {
    font-size: 9px;
    width: 58px;
    min-height: 31px;
    padding: 4px;
  }
  :root[data-page="study"] #studyPage {
    display: grid;
    grid-template-columns: 1fr;
    grid-template-rows: 39px minmax(0, 1fr) auto;
  }
  :root[data-page="study"] .book-nav {
    padding: 0 8px;
    gap: 3px;
  }
  :root[data-page="study"] .book-nav button {
    font-size: 11px;
  }
  :root[data-page="study"] .workbench {
    padding: 0 11px 7px;
  }
  :root[data-page="study"] .specimen-heading {
    padding: 6px 0;
  }
  :root[data-page="study"] h1 {
    font-size: 27px;
  }
  :root[data-page="study"] .specimen-heading:after {
    height: 24px;
    flex-basis: 100px;
  }
  :root[data-page="study"] .stage-toolbar {
    display: grid;
    grid-template-columns: 1fr auto;
    margin-bottom: 7px;
    gap: 4px 6px;
  }
  :root[data-page="study"] .stage-toolbar .primary {
    grid-column: auto;
    font-size: 12px !important;
    min-height: 32px;
  }
  :root[data-page="study"] .stage-toolbar button {
    min-height: 32px;
    padding: 5px 8px;
    font-size: 11px;
  }
  :root[data-page="study"] .focus-option {
    grid-column: 1/-1;
    justify-content: flex-end;
    font-size: 10px;
  }
  :root[data-page="study"] .focus-option input {
    width: 13px;
    height: 13px;
  }
  :root[data-page="study"] .stage-florals i {
    width: 37px;
    height: 37px;
  }
  :root[data-page="study"] .view-controls {
    padding: 3px 0;
    gap: 10px;
  }
  :root[data-page="study"] .view-controls button {
    font-size: 10px;
  }
  :root[data-page="study"] .assembly-head {
    font-size: 11px;
  }
  :root[data-page="study"] .assembly {
    padding-top: 3px;
  }
  :root[data-page="study"] .assembly input {
    margin: 13px 0;
  }
  :root[data-page="study"] .assembly-actions button {
    padding: 5px 3px;
    font-size: 11px;
  }
  :root[data-page="study"] .inspector {
    max-height: 34dvh;
    overflow: auto;
    border-top: 3px double var(--gold);
    padding: 0 11px 6px;
  }
  :root[data-page="study"] .inspector-tabs {
    height: 30px;
    min-height: 30px;
    margin-bottom: 4px;
  }
  :root[data-page="study"] .inspector-tabs button {
    font-size: 13px;
  }
  :root[data-page="study"] .study-modes {
    margin-bottom: 3px;
  }
  :root[data-page="study"] .study-modes button {
    padding: 3px 0 4px;
    font-size: 12px;
  }
  :root[data-page="study"] #parts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 3px 7px;
  }
  :root[data-page="study"] .part-row {
    font-size: 11px;
    min-height: 25px;
    padding: 3px 0;
  }
  :root[data-page="study"] #partDetail {
    margin-top: 5px;
    padding-top: 6px;
  }
  :root[data-page="study"] #partDetail h2 {
    font-size: 24px;
    margin-bottom: 6px;
  }
  :root[data-page="study"] #partDescription {
    font-size: 12px;
    line-height: 1.4;
    margin: 0 0 7px;
  }
  :root[data-page="study"] #partSources {
    gap: 4px;
    margin-bottom: 5px;
  }
  :root[data-page="study"] #partSources a {
    font-size: 10px;
  }
  :root[data-page="study"] .part-navigation {
    padding-top: 3px;
  }
  :root[data-page="study"] .part-navigation button {
    min-height: 24px;
    font-size: 11px;
    padding: 2px;
  }
  :root[data-page="study"] #isolateMobile {
    display: none;
  }
}

#weaponSelect {
  display: none;
}
@media (max-width: 660px) {
  :root[data-page="study"] #weapons {
    display: none;
  }
  :root[data-page="study"] #weaponSelect {
    display: block;
    width: 100%;
    min-height: 29px;
    height: 29px;
    padding: 3px 8px;
    font-size: 12px;
    margin-top: 4px;
  }
  :root[data-page="study"] .inspector {
    max-height: 40dvh;
  }
}

:root[data-page="study"] #partSources {
  flex-direction: row;
  flex-wrap: wrap;
  gap: 5px 12px;
}
@media (min-width: 500px) and (max-width: 660px) {
  :root[data-page="study"] #studyPage {
    grid-template-columns: minmax(0, 1fr) 215px;
    grid-template-rows: 39px minmax(0, 1fr);
  }
  :root[data-page="study"] .inspector {
    max-height: none;
    border-top: 0;
    border-left: 1px solid var(--line);
  }
  :root[data-page="study"] #parts {
    grid-template-columns: 1fr 1fr;
  }
  :root[data-page="study"] .stage-toolbar {
    grid-template-columns: minmax(0, 1fr) auto;
  }
  :root[data-page="study"] .stage-toolbar button {
    min-width: 0;
  }
  :root[data-page="study"] .specimen-heading:after {
    display: none;
  }
}
@media (max-width: 499px) {
  :root[data-page="study"] .specimen-heading {
    display: none;
  }
  :root[data-page="study"] .workbench {
    padding-top: 5px;
    grid-template-rows: auto minmax(0, 1fr) auto auto;
  }
  :root[data-page="study"] .assembly input {
    margin: 10px 0;
  }
  :root[data-page="study"] .assembly-actions button {
    padding: 4px 2px;
  }
  :root[data-page="study"] .assembly-head {
    line-height: 1.3;
  }
  :root[data-page="study"] .stage-toolbar {
    grid-template-columns: minmax(0, 1fr) auto;
  }
}

/* The painted margin and the page share a single geometry contract. */
body {
  padding: var(--page-gutter);
}
:root .folio-frame {
  inset: var(--frame-inset);
  border-width: var(--frame-width);
  border-image-outset: 0;
  z-index: 0;
}
.volume {
  position: relative;
  z-index: 1;
}
.site-footer {
  flex: none;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 28px;
  padding: 5px 12px;
  border-top: 3px double var(--gold);
  color: var(--muted);
  text-align: center;
  background: var(--paper);
}
.site-footer small {
  font: 11px/1.4 var(--serif);
  letter-spacing: 0.045em;
}

:root[data-theme="dark"] .folio-frame {
  filter: drop-shadow(0 1px 2px #0008);
}
:root[data-theme="dark"] .volume {
  background: var(--paper) url("assets/black-vellum.svg");
  box-shadow:
    0 0 0 3px var(--paper),
    0 0 0 4px var(--gold),
    0 0 0 7px var(--paper),
    0 0 0 8px var(--line);
}
:root[data-theme="dark"] .brand {
  background: none;
  color: #dfc780;
  -webkit-text-fill-color: #dfc780;
  filter: none;
}
:root[data-theme="dark"] header {
  background-image: var(--flourish-art), url("assets/black-vellum.svg");
  background-size:
    255px 60px,
    420px 420px;
  background-position:
    52% center,
    0 0;
  background-repeat: no-repeat, repeat;
}
:root[data-theme="dark"] .book-nav {
  background: #0d1a2b;
  box-shadow:
    inset 0 1px #7892b11a,
    inset 0 -1px #0008;
}
:root[data-theme="dark"] .book-nav button {
  color: #cbd1d6;
}
:root[data-theme="dark"] .book-nav button.selected {
  color: #ead18d;
  background: linear-gradient(0deg, #164680, #122e51);
}
:root[data-theme="dark"] h1,
:root[data-theme="dark"] #partDetail h2,
:root[data-theme="dark"] .card-copy h2,
:root[data-theme="dark"] .craft-card h2,
:root[data-theme="dark"] .compare-info h2 {
  color: #ddc481;
}
:root[data-theme="dark"] .primary {
  background: linear-gradient(110deg, #0e2b55, #1c4f91 52%, #123866) !important;
  color: #eed692 !important;
  text-shadow: 0 1px #07101c;
  box-shadow:
    inset 0 0 0 2px #b79b5759,
    inset 0 0 18px #020a1833;
}
:root[data-theme="dark"] .primary[aria-pressed="true"] {
  background: linear-gradient(110deg, #143c70, #285ea0, #17437d) !important;
  color: #fff0bc !important;
}
:root[data-theme="dark"] .header-actions button {
  background: #10233a;
}
:root[data-theme="dark"] #resetPosition {
  background: #101e31;
}
:root[data-theme="dark"] .weapon.active,
:root[data-theme="dark"] .part-row.active {
  background: linear-gradient(90deg, #214f824d, transparent);
}
:root[data-theme="dark"] .part-label.active {
  background: #173c65;
  color: #f0d998;
}
:root[data-theme="dark"] .archive-image {
  background-color: #0c1928;
}
:root[data-theme="dark"] .chapter-number {
  background: #11376a;
}
:root[data-theme="dark"] .archive-card,
:root[data-theme="dark"] .compare-stage {
  background-color: #101e2e;
}
:root[data-theme="dark"] .zoom-surface {
  background: #0c1827;
}
:root[data-theme="dark"] input[type="range"]::-webkit-slider-thumb {
  background: #1f4b86;
  box-shadow: 0 0 0 1px #061226;
}
:root[data-theme="dark"] input[type="range"]::-moz-range-thumb {
  background: #1f4b86;
}
:root[data-theme="dark"] .site-footer {
  background: #0d1826;
  color: #c0c9cf;
}

@media (max-width: 660px) {
  :root {
    --frame-inset: 3px;
    --frame-width: 12px;
    --frame-clearance: 10px;
  }
  :root[data-theme="dark"] header {
    background-image: none;
  }
  .site-footer {
    min-height: 24px;
    padding: 3px 8px;
  }
  .site-footer small {
    font-size: 10px;
  }
}

@media (min-width: 661px) {
  :root[data-theme="dark"] {
    --frame-width: 32px;
  }
}

/* Full technical callouts for every visible piece or detail. */
#labels .part-label {
  display: grid;
  place-items: center;
  padding: 3px 7px;
  font-size: 11px;
  line-height: 1.15;
  white-space: normal;
  text-align: center;
  overflow-wrap: normal;
}
#leaders polyline {
  fill: none;
  stroke: var(--gold);
  stroke-width: 0.8;
  opacity: 0.8;
}
#leaders circle {
  fill: var(--gold);
  stroke: var(--paper);
  stroke-width: 0.5;
}