/* Shared control system. Component styles own placement; this file owns control appearance.
   Existing semantic selectors are adapters, including controls created by deferred sections. */
:root {
  --control-motion-ease: cubic-bezier(.22, 1, .36, 1);
  --control-arrow-duration: 350ms;
  --control-arrow-shift: 2px;
  --control-arrow-spread: 8deg;
  --control-height: 44px;
  --control-radius: var(--radius-ui, 12px);
  --control-font-size: 13px;
  --control-weight: 500;
  --control-speed: 160ms;
  --control-ink: #202321;
  --control-surface: #fafaf8;
  --control-border: color-mix(in srgb, var(--control-ink) 30%, transparent);
  --control-hover: color-mix(in srgb, var(--control-ink) 8%, transparent);
  --control-glass: rgba(255,255,255,.72);
  --control-glass-hover: rgba(255,255,255,.9);
  --control-elevation: 0 2px 3px rgba(20,24,22,.04), 0 5px 14px rgba(20,24,22,.09);
  --control-elevation-hover: 0 3px 5px rgba(20,24,22,.05), 0 8px 20px rgba(20,24,22,.13);
}

.control-chevron {
  display: block;
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  transform: translateX(0);
  transition: transform var(--control-arrow-duration) var(--control-motion-ease);
}
.control-chevron path {
  transform-box: view-box;
  transform-origin: 12px 8px;
  vector-effect: non-scaling-stroke;
  transition: transform var(--control-arrow-duration) var(--control-motion-ease);
}
.control-external .control-chevron { transform: none; }
:root body .control-external > span[aria-hidden="true"] {
  translate: 0 0;
  transition: translate var(--control-arrow-duration) var(--control-motion-ease);
}
@media (hover: hover) and (pointer: fine) {
  .control-learn:hover .control-chevron { transform: translateX(var(--control-arrow-shift)); }
  :is(.control-learn, .control-external):hover .control-chevron__top { transform: rotate(var(--control-arrow-spread)); }
  :is(.control-learn, .control-external):hover .control-chevron__bottom { transform: rotate(calc(-1 * var(--control-arrow-spread))); }
  :root body .control-external:hover > span[aria-hidden="true"] { translate: var(--control-arrow-shift) 0; }
}
.control-learn:focus-visible .control-chevron { transform: translateX(var(--control-arrow-shift)); }
:is(.control-learn, .control-external):focus-visible .control-chevron__top { transform: rotate(var(--control-arrow-spread)); }
:is(.control-learn, .control-external):focus-visible .control-chevron__bottom { transform: rotate(calc(-1 * var(--control-arrow-spread))); }
:root body .control-external:focus-visible > span[aria-hidden="true"] { translate: var(--control-arrow-shift) 0; }
.control-counter {
  display: inline-flex;
  align-items: center;
  height: 1.5em;
  white-space: pre;
  font-variant-numeric: tabular-nums;
  vertical-align: middle;
}
.control-counter__column {
  display: inline-block;
  width: 1ch;
  height: 1.5em;
  line-height: 1.5;
  overflow: hidden;
  text-align: center;
  mask-image: linear-gradient(transparent, #000 15%, #000 85%, transparent);
  -webkit-mask-image: linear-gradient(transparent, #000 15%, #000 85%, transparent);
}
.control-counter__strip { display: flex; flex-direction: column; }
.control-counter__strip > span { display: block; height: 1.5em; flex: 0 0 1.5em; }
.control-tooltip {
  position: fixed;
  inset: 0 auto auto 0;
  z-index: 10000;
  margin: 0;
  padding: 8px 12px;
  border: 0;
  border-radius: var(--control-radius);
  max-width: calc(100vw - 16px);
  width: max-content;
  color: #f8f7f3;
  background: #202321;
  font: 500 12px/1.5 var(--sans, sans-serif);
  letter-spacing: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  box-shadow: 0 3px 12px rgba(0,0,0,.15);
  translate: var(--tooltip-x, 0px) var(--tooltip-y, 0px);
  scale: .98;
  opacity: 0;
  pointer-events: none;
  transition: opacity 60ms ease-out, scale 60ms ease-out, translate 160ms var(--control-motion-ease), width 160ms var(--control-motion-ease);
}
.control-tooltip[data-moving="false"] { transition-property: opacity, scale; }
.control-tooltip__text { display: block; width: max-content; max-width: calc(100vw - 40px); overflow: hidden; text-overflow: ellipsis; }
.control-tooltip[data-show="true"] {
  opacity: 1;
  scale: 1;
  pointer-events: auto;
  transition-duration: 150ms, 150ms, 160ms, 160ms;
  transition-delay: 80ms, 80ms, 0ms, 0ms;
}
.control-tooltip[data-moving="true"] { transition-delay: 0ms; }
@media (prefers-reduced-motion: reduce) {
  .control-chevron, .control-chevron path, .control-tooltip,
  :root body .control-external > span[aria-hidden="true"] { transition: none; }
  .control-learn:is(:hover, :focus-visible) .control-chevron,
  :is(.control-learn, .control-external):is(:hover, :focus-visible) .control-chevron path { transform: none; }
  :root body .control-external:is(:hover, :focus-visible) > span[aria-hidden="true"] { translate: none; }
}
/* Dark cards inherit exactly the same control proportions and hierarchy. */
.project-row, .project-detail-hero {
  --control-ink: var(--project-ink, #f8f7f3);
  --control-surface: var(--project-surface, #202321);
  --control-border: color-mix(in srgb, var(--control-ink) 40%, transparent);
  --control-hover: color-mix(in srgb, var(--control-ink) 12%, transparent);
  --control-glass: color-mix(in srgb, var(--control-surface) 72%, transparent);
  --control-glass-hover: color-mix(in srgb, var(--control-surface) 88%, transparent);
  --control-elevation: 0 2px 4px rgba(0,0,0,.1), 0 6px 16px rgba(0,0,0,.18);
  --control-elevation-hover: 0 3px 6px rgba(0,0,0,.12), 0 9px 22px rgba(0,0,0,.24);
}
.photo-archive, .photo-viewer, .project-detail-lightbox, .paper-carousel__lightbox,
.tb-btn, .railBtn, .project-detail-close, .paper-detail-close {
  --control-ink: #f8f7f3;
  --control-surface: #202321;
  --control-border: rgba(255,255,255,.4);
  --control-hover: rgba(255,255,255,.12);
  --control-glass: rgba(32,35,33,.72);
  --control-glass-hover: rgba(46,49,47,.88);
  --control-elevation: 0 2px 4px rgba(0,0,0,.1), 0 6px 16px rgba(0,0,0,.18);
  --control-elevation-hover: 0 3px 6px rgba(0,0,0,.12), 0 9px 22px rgba(0,0,0,.24);
}
:root body :is(.btn,
  .project-row__open,
  .project-row__demo,
  .project-detail-hero__demo,
  .project-live-preview__start,
  .tool-entry__actions > button,
  .tool-entry__actions > a,
  .paper-detail-trigger,
  .paper-foot a,
  .paper-detail-actions > button,
  .project-detail-actions > a,
  .project-detail-actions > button,
  .pdf-reader__back,
  .pdf-reader__actions a,
  .tb-btn,
  .railBtn,
  [id="top"],
  .paper-pages__controls button,
  .paper-carousel__controls button,
  .paper-detail-close,
  .project-detail-close,
  .project-detail-lightbox__close,
  .project-detail-lightbox__nav,
  .paper-carousel__lightbox-close,
  .paper-carousel__lightbox-nav,
  .photo-viewer__close,
  .photo-viewer__nav,
  .project-filter__button,
  .photo-archive__tabs button) {
  box-sizing: border-box;
  min-height: var(--control-height);
  min-width: var(--control-height);
  border-radius: var(--control-radius);
  font-family: var(--sans, "PingFang SC", sans-serif);
  font-size: var(--control-font-size);
  font-weight: var(--control-weight);
  line-height: 1.4;
  letter-spacing: 0;
  border: 1px solid transparent;
  background: linear-gradient(160deg, rgba(255,255,255,.16), rgba(255,255,255,.045)), var(--control-glass);
  box-shadow: var(--control-elevation);
  backdrop-filter: blur(14px) saturate(115%);
  -webkit-backdrop-filter: blur(14px) saturate(115%);
  cursor: pointer;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  transition: background-color var(--control-speed) ease, color var(--control-speed) ease, box-shadow 220ms var(--control-motion-ease);
}
:root body :is(.btn,
  .project-row__open,
  .project-row__demo,
  .project-detail-hero__demo,
  .project-live-preview__start,
  .tool-entry__actions > button,
  .tool-entry__actions > a,
  .paper-detail-trigger,
  .paper-foot a,
  .paper-detail-actions > button,
  .project-detail-actions > a,
  .project-detail-actions > button,
  .pdf-reader__back,
  .pdf-reader__actions a) {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  max-width: 100%;
  padding: 10px 16px;
  color: var(--control-ink);
  text-decoration: none;
  text-align: center;
  white-space: normal;
  transform: none;
}
:root body :is(.btn,
  .project-row__open,
  .project-row__demo,
  .project-detail-hero__demo,
  .project-live-preview__start,
  .tool-entry__actions > button,
  .tool-entry__actions > a,
  .paper-detail-trigger,
  .paper-foot a,
  .paper-detail-actions > button,
  .project-detail-actions > a,
  .project-detail-actions > button,
  .pdf-reader__back,
  .pdf-reader__actions a):hover {
  border-color: transparent;
  background-color: var(--control-glass-hover);
  color: var(--control-ink);
  box-shadow: var(--control-elevation-hover);
  transform: none;
}
:root body :is(.home-identity__primary,
  .btn.a,
  .project-live-preview__start) {
  border-color: transparent;
  background: var(--control-ink);
  color: var(--control-surface);
}
:root body :is(.home-identity__primary,
  .btn.a,
  .project-live-preview__start):hover {
  border-color: transparent;
  background: color-mix(in srgb, var(--control-ink) 86%, var(--control-surface));
  color: var(--control-surface);
}
:root body :is(.btn,
  .project-row__open,
  .project-row__demo,
  .project-detail-hero__demo,
  .project-live-preview__start,
  .tool-entry__actions > button,
  .tool-entry__actions > a,
  .paper-detail-trigger,
  .paper-foot a,
  .paper-detail-actions > button,
  .project-detail-actions > a,
  .project-detail-actions > button,
  .pdf-reader__back,
  .pdf-reader__actions a):active {
  box-shadow: 0 1px 3px rgba(20,24,22,.1);
}
:root body :is(.project-row__open, .paper-detail-trigger, .paper-foot a, .project-row__demo, .project-detail-hero__demo, .project-detail-actions > a, .tool-entry__open, .tool-entry__link) span[aria-hidden="true"] {
  color: inherit;
  font-size: 16px;
  width: 16px;
  flex: 0 0 16px;
  text-align: center;
  line-height: 1;
  transform: none;
}
:root body :is(.project-row__actions, .tool-entry__actions, .paper-actions, .project-detail-actions, .paper-detail-actions) {
  gap: 10px;
}
:root body .paper-detail-trigger { margin-top: 0; }
/* Navigation controls have a fixed square hit area; placement transforms stay with the component. */
:root body :is(.tb-btn,
  .railBtn,
  [id="top"],
  .paper-pages__controls button,
  .paper-carousel__controls button,
  .paper-detail-close,
  .project-detail-close,
  .project-detail-lightbox__close,
  .project-detail-lightbox__nav,
  .paper-carousel__lightbox-close,
  .paper-carousel__lightbox-nav,
  .photo-viewer__close,
  .photo-viewer__nav) {
  display: inline-grid;
  place-items: center;
  width: var(--control-height);
  height: var(--control-height);
  padding: 0;
  color: var(--control-ink);
  flex-shrink: 0;
}
:root body :is(.tb-btn,
  .railBtn,
  [id="top"],
  .paper-pages__controls button,
  .paper-carousel__controls button,
  .paper-detail-close,
  .project-detail-close,
  .project-detail-lightbox__close,
  .project-detail-lightbox__nav,
  .paper-carousel__lightbox-close,
  .paper-carousel__lightbox-nav,
  .photo-viewer__close,
  .photo-viewer__nav):hover {
  background-color: var(--control-glass-hover);
  color: var(--control-ink);
  box-shadow: var(--control-elevation-hover);
}
:root body :is(.project-detail-close,.paper-detail-close,.project-detail-lightbox__close,.photo-viewer__close):hover { transform: none; }
:root body button:is(.tb-btn, .railBtn) {
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}
:root body button:is(.tb-btn, .railBtn):hover {
  background: rgba(255,255,255,.07);
  box-shadow: none;
  transform: none;
}
:root body :is(.paper-pages__controls button) { font-size: 18px; }
:root body .project-filter__button {
  --control-radius: 999px;
  border-radius: 999px;
  padding: 10px 16px;
  color: var(--control-ink);
}
:root body .project-filter__button:hover { background-color: var(--control-glass-hover); color: var(--control-ink); box-shadow: var(--control-elevation-hover); }
:root body .project-filter__button[aria-pressed="true"] {
  background: var(--control-ink);
  color: var(--control-surface);
}
:root body .project-filter__count { background: transparent; color: inherit; }
:root body .photo-archive__tabs { gap: 8px; padding: 10px; }
:root body .photo-archive__tabs button {
  --control-radius: 999px;
  min-height: 44px;
  padding: 10px 16px;
  border: 0;
  border-radius: 999px;
  background: linear-gradient(160deg, rgba(255,255,255,.16), rgba(255,255,255,.045)), var(--control-glass);
  color: var(--control-ink);
  box-shadow: var(--control-elevation);
  backdrop-filter: blur(14px) saturate(115%);
  -webkit-backdrop-filter: blur(14px) saturate(115%);
}
:root body .photo-archive__tabs button:is(:hover,:active) {
  background-color: var(--control-glass-hover);
  color: var(--control-ink);
  box-shadow: var(--control-elevation-hover);
}
:root body .photo-archive__tabs button[aria-selected="true"] {
  background: var(--control-ink);
  color: var(--control-surface);
}
:root body .photo-archive__tabs button::after { content: none; }
:root body :is(.btn,
  .project-row__open,
  .project-row__demo,
  .project-detail-hero__demo,
  .project-live-preview__start,
  .tool-entry__actions > button,
  .tool-entry__actions > a,
  .paper-detail-trigger,
  .paper-foot a,
  .paper-detail-actions > button,
  .project-detail-actions > a,
  .project-detail-actions > button,
  .pdf-reader__back,
  .pdf-reader__actions a,
  .tb-btn,
  .railBtn,
  [id="top"],
  .paper-pages__controls button,
  .paper-carousel__controls button,
  .paper-detail-close,
  .project-detail-close,
  .project-detail-lightbox__close,
  .project-detail-lightbox__nav,
  .paper-carousel__lightbox-close,
  .paper-carousel__lightbox-nav,
  .photo-viewer__close,
  .photo-viewer__nav,
  .project-filter__button,
  .photo-archive__tabs button):focus-visible {
  outline: 2px solid var(--control-ink);
  outline-offset: 3px;
  box-shadow: none;
}
:root body :is(.btn,
  .project-row__open,
  .project-row__demo,
  .project-detail-hero__demo,
  .project-live-preview__start,
  .tool-entry__actions > button,
  .tool-entry__actions > a,
  .paper-detail-trigger,
  .paper-foot a,
  .paper-detail-actions > button,
  .project-detail-actions > a,
  .project-detail-actions > button,
  .pdf-reader__back,
  .pdf-reader__actions a,
  .tb-btn,
  .railBtn,
  [id="top"],
  .paper-pages__controls button,
  .paper-carousel__controls button,
  .paper-detail-close,
  .project-detail-close,
  .project-detail-lightbox__close,
  .project-detail-lightbox__nav,
  .paper-carousel__lightbox-close,
  .paper-carousel__lightbox-nav,
  .photo-viewer__close,
  .photo-viewer__nav,
  .project-filter__button,
  .photo-archive__tabs button):disabled {
  opacity: .4;
  cursor: default;
  pointer-events: none;
}
:where(.paper-detail-dialog,.project-dialog--detail,.pdf-reader)[open] {
  animation: component-surface-in 220ms ease-out both;
}
@keyframes component-surface-in {
  from { opacity: .82; translate: 0 6px; }
  to { opacity: 1; translate: 0 0; }
}
:root body :is(.control-learn, .control-external) {
  position: relative;
}
:root body :is(.control-learn, .control-external, .project-filter__button,
  .photo-archive__tabs button, .project-detail-close, .paper-detail-close) {
  transition: background-color 180ms ease, color 180ms ease,
    box-shadow 220ms var(--control-motion-ease), scale 260ms var(--control-motion-ease);
}
:root body :is(.control-learn, .control-external)::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--control-radius);
  background: linear-gradient(145deg, rgba(255,255,255,.12), transparent 55%);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.16), inset 0 -1px 0 rgba(0,0,0,.06);
  opacity: .4;
  pointer-events: none;
  transition: opacity 240ms var(--control-motion-ease);
}
@media (hover: hover) and (pointer: fine) {
  :root body :is(.control-learn, .control-external):hover::before {
    opacity: 1;
  }
}
:root body :is(.control-learn, .control-external, .project-filter__button,
  .photo-archive__tabs button, .project-detail-close, .paper-detail-close):active:not(:disabled) {
  scale: .98 .96;
  transition-duration: 100ms;
}
:root body :is(.control-learn, .control-external):active::before {
  opacity: .2;
  transition-duration: 100ms;
}
@media (prefers-reduced-motion: reduce) {
  :root body :is(.control-learn, .control-external, .project-filter__button,
    .photo-archive__tabs button, .project-detail-close, .paper-detail-close):active:not(:disabled) {
    scale: none;
    transition: none;
  }
  :root body :is(.control-learn, .control-external)::before,
  :root body :is(.control-learn, .control-external):active::before {
    transition: none;
  }
}
@media (max-width: 600px) {
  :root body :is(.btn,
  .project-row__open,
  .project-row__demo,
  .project-detail-hero__demo,
  .project-live-preview__start,
  .tool-entry__actions > button,
  .tool-entry__actions > a,
  .paper-detail-trigger,
  .paper-foot a,
  .paper-detail-actions > button,
  .project-detail-actions > a,
  .project-detail-actions > button,
  .pdf-reader__back,
  .pdf-reader__actions a) { padding-inline: 12px; }
  :root body :is(.project-filter__button,
  .photo-archive__tabs button) { padding-inline: 12px; }
}
@media (max-width: 460px) {
  :root body .project-filter__button { padding-inline: 8px; }
  :root body .home-identity__actions .btn { padding-inline: 10px; }
}
@media (max-width: 360px) {
  :root body :is(.project-row__actions, .tool-entry__actions, .paper-actions) {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    width: 100%;
    align-items: stretch;
  }
  :root body :is(.project-row__actions, .tool-entry__actions, .paper-actions) > :is(a, button) {
    width: 100%;
  }
}
@media (prefers-reduced-motion: reduce) {
  :root body :is(.btn,
  .project-row__open,
  .project-row__demo,
  .project-detail-hero__demo,
  .project-live-preview__start,
  .tool-entry__actions > button,
  .tool-entry__actions > a,
  .paper-detail-trigger,
  .paper-foot a,
  .paper-detail-actions > button,
  .project-detail-actions > a,
  .project-detail-actions > button,
  .pdf-reader__back,
  .pdf-reader__actions a,
  .tb-btn,
  .railBtn,
  [id="top"],
  .paper-pages__controls button,
  .paper-carousel__controls button,
  .paper-detail-close,
  .project-detail-close,
  .project-detail-lightbox__close,
  .project-detail-lightbox__nav,
  .paper-carousel__lightbox-close,
  .paper-carousel__lightbox-nav,
  .photo-viewer__close,
  .photo-viewer__nav,
  .project-filter__button,
  .photo-archive__tabs button) { transition: none; }
  :where(.paper-detail-dialog,.project-dialog--detail,.pdf-reader)[open] { animation: none; }
}

/* The fixed scroll control has an ID in the original page. */
:root body #top {
  border: 1px solid transparent;
  border-radius: var(--control-radius);
  background: linear-gradient(160deg, rgba(255,255,255,.16), rgba(255,255,255,.045)), var(--control-glass);
  box-shadow: var(--control-elevation);
  color: var(--control-ink);
}
:root body :is([id="top"], .paper-detail-close, .project-detail-close,
  .project-detail-lightbox__close, .project-detail-lightbox__nav,
  .paper-carousel__lightbox-close, .paper-carousel__lightbox-nav,
  .photo-viewer__close, .photo-viewer__nav) {
  --control-radius: 50%;
}
:root body #top:hover { background-color:var(--control-glass-hover); box-shadow:var(--control-elevation-hover); transform:none; }
:root body #top:active { box-shadow:0 1px 3px rgba(20,24,22,.1); }
:root body #top:focus-visible { outline:2px solid var(--control-ink); outline-offset:3px; }
:root body .project-filter__button[aria-pressed="true"] .project-filter__count { background:transparent; color:inherit; }
/* Section navigation remains a flat tab row in both detail readers. */
:root body :is(.project-detail-map__item,.paper-detail-map__item) {
  min-height:var(--control-height);
  font-size:var(--control-font-size);
  font-weight:var(--control-weight);
  line-height:1.4;
}

/* Text controls need their own width; only directional buttons are square. */
:root body .project-filter__button{flex:0 0 auto;white-space:nowrap}

:root body :is(.home-project-slide__cta, .orgs > a, .other-photo__copy small) {
  font-size: 12px;
  font-weight: 500;
  line-height: 1.4;
  transition: opacity var(--control-speed) ease;
}
:root body .orgs > a { font-weight: 600; }
:root body :is(.home-project-slide:active .home-project-slide__cta, .orgs > a:active, .other-photo:active .other-photo__copy small) {
  opacity: .65;
}
@media (hover: hover) and (pointer: fine) {
  :root body :is(.home-project-slide:hover .home-project-slide__cta, .orgs > a:hover, .other-photo:hover .other-photo__copy small) {
    opacity: .8;
  }
}
@media (prefers-reduced-motion: reduce) {
  :root body :is(.home-project-slide__cta, .orgs > a, .other-photo__copy small) { transition: none; }
}
@media (prefers-reduced-transparency: reduce) {
  :root body :is(.paper-pages__controls button, .paper-carousel__controls button) {
    background: #eeefed !important;
    color: #202321;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
  }
}
@media (forced-colors: active) {
  :root body :is(.paper-pages__controls button, .paper-carousel__controls button) {
    border: 1px solid ButtonText;
    background: ButtonFace !important;
    color: ButtonText;
    box-shadow: none !important;
  }
}

:root body :is(.paper-pages__controls button, .paper-carousel__controls button) {
  background: linear-gradient(160deg, rgba(255,255,255,.18), rgba(255,255,255,.04)), var(--control-glass);
  border: 1px solid rgba(255,255,255,.7);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.65), 0 2px 6px rgba(20,24,22,.06);
  backdrop-filter: blur(14px) saturate(115%);
  -webkit-backdrop-filter: blur(14px) saturate(115%);
}
:root body :is(.paper-pages__controls button, .paper-carousel__controls button):hover {
  background-color: var(--control-glass-hover);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.8), 0 3px 8px rgba(20,24,22,.1);
}
:root body .paper-carousel__controls button {
  width: var(--paper-control-size, 32px);
  height: var(--paper-control-size, 32px);
  min-width: var(--paper-control-size, 32px);
  min-height: var(--paper-control-size, 32px);
  border-radius: var(--control-radius);
  transform: none;
}
:root body .paper-carousel__controls button:focus-visible {
  outline-offset: -2px;
}

:root body :is(.paper-pages__controls button, .paper-carousel__controls button,
  .project-detail-lightbox__close, .project-detail-lightbox__nav,
  .paper-carousel__lightbox-close, .paper-carousel__lightbox-nav,
  .photo-viewer__close, .photo-viewer__nav) svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}
:root body .paper-carousel__controls button svg { width: 16px; height: 16px; }
:root body :is(.project-row__actions, .tool-entry__actions, .paper-actions,
  .project-detail-actions, .paper-detail-actions, .home-identity__actions) {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}
:root body :is(.tb-btn, .railBtn, [id="top"], .paper-pages__controls button, .paper-carousel__controls button,
  .paper-detail-close, .project-detail-close, .project-detail-lightbox__close, .paper-carousel__lightbox-close,
  .photo-viewer__close, .photo-viewer__nav, .project-detail-lightbox__nav, .paper-carousel__lightbox-nav,
  .project-filter__button):active {
  box-shadow: 0 1px 3px rgba(20,24,22,.1);
}
@media (max-width: 600px) {
  :root body .photo-viewer__footer .photo-viewer__nav { position: static; transform: none; }
}
:root body button:is(.tb-btn, .railBtn):active {
  background: rgba(255,255,255,.1);
  box-shadow: none;
}

/* Figure viewers reserve separate control bands so charts remain unobstructed. */
:root body dialog:is(.paper-carousel__lightbox,.project-detail-lightbox) {
  width:min(calc(100vw - 48px),1440px);
  height:min(calc(100dvh - 48px),960px);
  min-width:0;
  min-height:0;
  max-width:none;
  max-height:none;
  margin:auto;
  padding:56px 24px 12px;
  border:1px solid #deded9;
  border-radius:var(--radius-panel);
  background:#f7f7f4;
}
:root body dialog:is(.paper-carousel__lightbox,.project-detail-lightbox) figure {
  grid-template-rows:minmax(0,1fr) 44px;
  gap:12px;
  padding:0;
}
:root body dialog:is(.paper-carousel__lightbox,.project-detail-lightbox) img {
  min-width:0;
  object-fit:contain;
}
:root body dialog:is(.paper-carousel__lightbox,.project-detail-lightbox) figcaption {
  box-sizing:border-box;
  padding-right:112px;
  align-content:center;
  color:#666862;
  font-size:12px;
  line-height:20px;
  white-space:normal;
}
:root body dialog:is(.paper-carousel__lightbox,.project-detail-lightbox) > button {
  width:44px;
  height:44px;
  padding:0;
  border:1px solid transparent;
  border-radius:var(--radius-control);
  background:transparent;
  color:#555851;
  box-shadow:none;
  backdrop-filter:none;
  -webkit-backdrop-filter:none;
  transform:none;
}
:root body dialog:is(.paper-carousel__lightbox,.project-detail-lightbox) > button:hover:not(:disabled) {
  background:#eaece6;
  color:#181b16;
  border-color:transparent;
  box-shadow:none;
  transform:none;
}
:root body dialog:is(.paper-carousel__lightbox,.project-detail-lightbox) > button:focus-visible {
  outline:2px solid #555851;
  outline-offset:2px;
  box-shadow:none;
}
:root body :is(.paper-carousel__lightbox-close,.project-detail-lightbox__close) {top:6px;right:18px}
:root body :is(.paper-carousel__lightbox-nav,.project-detail-lightbox__nav) {top:auto;bottom:12px;left:auto}
:root body :is(.paper-carousel__lightbox-nav--prev,.project-detail-lightbox__nav--prev) {right:76px}
:root body :is(.paper-carousel__lightbox-nav--next,.project-detail-lightbox__nav--next) {right:24px}
@media(max-width:600px) {
  :root body dialog:is(.paper-carousel__lightbox,.project-detail-lightbox) {
    width:calc(100vw - 16px);
    height:calc(100dvh - 16px);
    padding:56px 12px 12px;
  }
  :root body :is(.paper-carousel__lightbox-close,.project-detail-lightbox__close) {right:6px}
  :root body :is(.paper-carousel__lightbox-nav--prev,.project-detail-lightbox__nav--prev) {right:64px}
  :root body :is(.paper-carousel__lightbox-nav--next,.project-detail-lightbox__nav--next) {right:12px}
}

/* Draw directional icons instead of relying on platform emoji fonts. */
.inline-direction-arrow {
  display:inline-block;
  width:1em;
  height:1em;
  vertical-align:-.125em;
  fill:none;
  stroke:currentColor;
  stroke-width:1.6;
  stroke-linecap:round;
  stroke-linejoin:round;
  flex-shrink:0;
}

@supports (corner-shape: superellipse(1.25)) {
  :where(.home-identity, .home-work, .home-proof, .home-photo-strip,
    .home-project-slide, .home-project-slide__visual, .paper-pages,
    .paper-carousel__stage, .project-row, .project-evidence, .project-live-preview,
    .project-option-image, .project-detail-figure__canvas, .qualification-card,
    .other-bento > article, .other-photo, .tool-entry, .tool-entry__example,
    .photo-archive, .photo-viewer, .paper-detail-dialog, .project-dialog,
    .pdf-reader, .xagent-panel, .xagent-dock-hello, .btn, .control-learn, .control-external,
    .paper-pages__controls button, .paper-carousel__controls button) {
    corner-shape: superellipse(1.25);
  }

  .home-project-slide--chart::before,
  :root body :is(.control-learn, .control-external)::before {
    corner-shape: inherit;
  }
}