.materials-intro {
  padding: 65px 0 38px;
  max-width: none;
}
.materials-intro h1 {
  font-size: clamp(38px, 5.3vw, 68px);
  line-height: 1.04;
  letter-spacing: -2.4px;
  font-weight: 450;
  max-width: 800px;
}
.materials-intro .eyebrow {
  margin-bottom: 18px;
}
.materials-intro .intro-copy {
  max-width: 660px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
  margin-top: 23px;
}
.materials-controls {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  padding: 26px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  margin-bottom: 21px;
}
.materials-search {
  display: flex;
  flex-direction: column;
  gap: 7px;
  min-width: 260px;
  max-width: 340px;
  flex: 1;
  font-size: 11px;
  color: var(--muted);
}
.materials-search input {
  width: 100%;
  height: 44px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 0 13px;
  color: var(--ink);
  font: inherit;
  font-size: 14px;
}
.materials-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}
.materials-filters button {
  font: inherit;
  font-size: 12px;
  min-height: 42px;
  padding: 9px 13px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
}
.materials-filters button[aria-pressed="true"] {
  background: var(--accent-wash);
  color: var(--accent);
  border-color: var(--accent);
}
.materials-filters button:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.materials-filters span {
  font-size: 10px;
  margin-left: 6px;
  opacity: 0.8;
}
.materials-results {
  font-size: 11px;
  color: var(--muted);
  margin: 18px 0;
}
.materials-card {
  display: grid;
  grid-template-columns: 1.08fr 1fr;
  gap: 0;
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: 24px;
  background: var(--surface);
}
.materials-visual {
  background: var(--accent-wash);
  padding: 35px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.materials-visual > a {
  display: block;
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: 0 15px 40px #003b4317;
  transition: transform 0.2s;
}
.materials-visual > a:hover {
  transform: translateY(-3px);
}
.materials-visual img {
  display: block;
  width: 100%;
  height: auto;
}
.materials-visual > p {
  margin-top: 18px;
  font-size: 11px;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 8px;
}
.materials-visual .icon {
  width: 14px;
  height: 14px;
}
.materials-copy {
  padding: 35px 38px;
}
.materials-copy > .eyebrow {
  font-size: 10px;
  margin-bottom: 18px;
}
.materials-copy h2 {
  font-size: 33px;
  line-height: 1.13;
  font-weight: 450;
  letter-spacing: -1.2px;
}
.materials-description {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.8;
  margin-top: 17px;
}
.materials-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 20px;
}
.materials-tags span {
  font-size: 10px;
  padding: 5px 9px;
  background: var(--accent-wash);
  border-radius: 4px;
  color: var(--accent);
}
.materials-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 7px 20px;
  font-size: 11px;
  color: var(--muted);
  border-top: 1px solid var(--line);
  padding-top: 18px;
  margin-top: 24px;
}
.materials-meta strong {
  font-weight: 500;
  color: var(--ink);
}
.materials-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 25px;
}
.materials-actions .button {
  font-size: 12px;
  min-height: 44px;
}
.materials-actions .text-link {
  font-size: 12px;
}
.materials-extra {
  margin-top: 16px;
  font-size: 11px;
  color: var(--muted);
}
.materials-extra a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.materials-empty {
  text-align: center;
  border: 1px dashed var(--line);
  border-radius: 8px;
  padding: 52px 24px;
  background: var(--surface);
}
.materials-empty h2 {
  font-size: 27px;
  font-weight: 450;
  letter-spacing: -0.7px;
}
.materials-empty p {
  max-width: 490px;
  margin: 15px auto 24px;
  color: var(--muted);
  font-size: 14px;
}
.materials-next {
  display: flex;
  justify-content: space-between;
  gap: 35px;
  align-items: center;
  padding: 37px 0 52px;
  border-top: 1px solid var(--line);
  margin-top: 35px;
}
.materials-next h2 {
  font-size: 26px;
  letter-spacing: -0.7px;
  font-weight: 450;
}
.materials-next p {
  font-size: 13px;
  color: var(--muted);
  margin-top: 11px;
  max-width: 640px;
}
.materials-next .button {
  flex: none;
  min-height: 44px;
}
.materials-card[hidden],
.materials-empty[hidden],
.materials-controls[hidden] {
  display: none;
}
.materials-search input:focus-visible,
.materials-filters button:focus-visible,
.materials-visual a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}
@media (prefers-reduced-motion: reduce) {
  .materials-visual > a {
    transition: none;
  }
}
@media (max-width: 850px) {
  .materials-card {
    grid-template-columns: 1fr;
  }
  .materials-visual {
    padding: 27px;
  }
  .materials-copy {
    padding: 29px;
  }
  .materials-visual > p {
    margin-top: 14px;
  }
  .materials-controls {
    align-items: stretch;
    flex-direction: column;
    gap: 18px;
  }
  .materials-search {
    max-width: none;
    min-width: 0;
  }
  .materials-search input {
    font-size: 16px;
  }
  .materials-next {
    align-items: flex-start;
    flex-direction: column;
    gap: 23px;
  }
}
@media (max-width: 500px) {
  .materials-intro {
    padding-top: 40px;
  }
  .materials-intro h1 {
    font-size: 40px;
    letter-spacing: -1.6px;
  }
  .materials-intro .intro-copy {
    font-size: 14px;
  }
  .materials-visual {
    padding: 18px;
  }
  .materials-copy {
    padding: 25px 20px;
  }
  .materials-copy h2 {
    font-size: 30px;
  }
  .materials-description {
    font-size: 14px;
  }
  .materials-actions {
    align-items: stretch;
    flex-direction: column;
    gap: 16px;
  }
  .materials-actions .button {
    justify-content: center;
    font-size: 13px;
  }
  .materials-actions .text-link {
    text-align: center;
    align-self: center;
    font-size: 13px;
  }
  .materials-filters {
    gap: 6px;
  }
  .materials-filters button {
    padding: 9px 10px;
    font-size: 12px;
  }
  .materials-next h2 {
    font-size: 25px;
  }
  .materials-tags span {
    font-size: 11px;
  }
  .materials-extra,
  .materials-meta {
    font-size: 12px;
  }
}
/* Browseable panels and an in-browser full-window media viewer. */
.materials-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 23px;
}
.materials-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  margin: 0;
}
.materials-visual {
  padding: 17px;
  display: block;
}
.materials-visual > a {
  position: relative;
  box-shadow: none;
  aspect-ratio: 16/10;
  background: #10363e;
}
.materials-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
}
.material-open-label {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  background: #10363ee8;
  color: #eafff7;
  padding: 9px 12px;
  font-size: 11px;
}
.material-open-label .icon {
  width: 15px;
  height: 15px;
}
.materials-copy {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 22px;
}
.materials-copy > .eyebrow {
  font-size: 9px;
  margin-bottom: 13px;
}
.materials-copy h2 {
  font-size: 27px;
  letter-spacing: -0.8px;
}
.materials-description {
  font-size: 13px;
  line-height: 1.7;
}
.materials-tags {
  margin-top: 16px;
}
.materials-meta {
  margin-top: auto;
  padding-top: 18px;
  gap: 6px 12px;
}
.materials-tags + .materials-meta {
  margin-top: 23px;
}
.materials-actions {
  margin-top: 20px;
  flex-direction: column;
  align-items: stretch;
  gap: 14px;
}
.materials-actions .button {
  justify-content: center;
}
.material-download {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 11px;
  color: var(--accent);
}
.material-download span {
  margin-left: 5px;
  color: var(--muted);
  font-size: 10px;
}
.material-download .icon {
  width: 14px;
  height: 14px;
}
.materials-search {
  max-width: 270px;
  min-width: 210px;
}
.materials-filters {
  gap: 5px;
}
.materials-filters button {
  font-size: 11px;
  padding-inline: 10px;
}
.media-open {
  overflow: hidden;
}
.media-viewer {
  position: fixed;
  inset: 0;
  margin: 0;
  width: 100vw;
  height: 100dvh;
  max-width: none;
  max-height: none;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: var(--bg);
  color: var(--ink);
  overflow: hidden;
}
.media-viewer[open] {
  display: flex;
  flex-direction: column;
}
.media-viewer::backdrop {
  background: #0a3039;
}
.viewer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 83px;
  padding: 15px 25px;
  border-bottom: 1px solid var(--line);
  flex: none;
}
.viewer-header .eyebrow {
  font-size: 9px;
  margin: 0 0 6px;
}
.viewer-header h2 {
  font-size: 20px;
  line-height: 1.2;
  letter-spacing: -0.5px;
  font-weight: 500;
}
.viewer-actions {
  display: flex;
  gap: 10px;
  align-items: center;
  flex: none;
}
.viewer-actions .button {
  font-size: 12px;
  min-height: 40px;
}
.viewer-actions .icon-button {
  width: 40px;
  height: 40px;
  flex: none;
}
.viewer-body {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: auto;
  background: var(--accent-wash);
}
.viewer-stage {
  flex: 1;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  touch-action: pan-y pinch-zoom;
}
.viewer-slide {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 5px 15px #00343d16);
  user-select: none;
}
.viewer-stage iframe {
  width: 100%;
  height: 100%;
  border: 0;
  background: var(--bg);
}
.viewer-stage.interactive {
  padding: 0;
}
.viewer-stage video {
  max-width: 100%;
  max-height: 100%;
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.viewer-caption {
  flex: none;
  text-align: center;
  padding: 0 20px 13px;
  font-size: 12px;
  color: var(--muted);
}
.viewer-caption:empty {
  display: none;
}
.viewer-navigation {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 12px 20px;
  border-top: 1px solid var(--line);
  flex: none;
  background: var(--bg);
}
.viewer-navigation .button {
  font-size: 12px;
  min-height: 42px;
  padding-inline: 14px;
}
.viewer-navigation .button:disabled {
  opacity: 0.38;
  cursor: default;
}
.viewer-navigation label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--muted);
}
.viewer-navigation select {
  font: inherit;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 7px 9px;
  min-height: 38px;
}
.viewer-navigation #viewer-prev > .icon {
  transform: rotate(180deg);
}
.viewer-thumbs {
  flex: none;
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 12px;
  max-height: 240px;
  overflow: auto;
  padding: 15px 25px;
  border-top: 1px solid var(--line);
  background: var(--bg);
}
.viewer-thumbs button {
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 5px;
  background: var(--surface);
  color: var(--ink);
  cursor: pointer;
  text-align: left;
}
.viewer-thumbs button[aria-current="true"] {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}
.viewer-thumbs img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: contain;
  display: block;
}
.viewer-thumbs span {
  font-size: 10px;
  line-height: 1.35;
  display: block;
  margin: 6px 3px;
}
.viewer-hint {
  flex: none;
  text-align: center;
  font-size: 10px;
  color: var(--muted);
  padding: 0 18px 10px;
  margin: 0;
  background: var(--bg);
}
.media-viewer [hidden] {
  display: none !important;
}
.media-viewer button:focus-visible,
.media-viewer a:focus-visible,
.media-viewer select:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
@media (max-width: 1100px) {
  .materials-controls {
    align-items: stretch;
    flex-direction: column;
    gap: 15px;
  }
  .materials-search {
    max-width: 420px;
  }
  .materials-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .materials-filters button {
    font-size: 12px;
  }
  .viewer-thumbs {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}
@media (max-width: 650px) {
  .materials-list {
    grid-template-columns: 1fr;
  }
  .materials-copy {
    padding: 24px;
  }
  .materials-description {
    font-size: 14px;
  }
  .materials-meta {
    font-size: 12px;
  }
  .material-download {
    font-size: 13px;
    min-height: 34px;
  }
  .materials-search {
    max-width: none;
    min-width: 0;
  }
  .viewer-header {
    padding: 12px;
    gap: 10px;
    min-height: 95px;
    align-items: flex-start;
  }
  .viewer-header h2 {
    font-size: 16px;
    max-width: 180px;
  }
  .viewer-actions {
    gap: 5px;
    flex-wrap: wrap;
    max-width: 155px;
    justify-content: flex-end;
  }
  .viewer-actions .button {
    font-size: 10px;
    padding: 8px;
    gap: 5px;
    min-height: 34px;
  }
  .viewer-actions .button > .icon {
    width: 14px;
    height: 14px;
  }
  .viewer-actions .icon-button {
    width: 34px;
    height: 34px;
  }
  .viewer-stage {
    padding: 9px;
  }
  .viewer-navigation {
    gap: 8px;
    padding: 10px 8px;
    flex-wrap: wrap;
  }
  .viewer-navigation .button {
    padding: 9px 11px;
    min-height: 42px;
    font-size: 11px;
  }
  .viewer-navigation .icon {
    width: 15px;
    height: 15px;
  }
  .viewer-navigation #viewer-prev span,
  .viewer-navigation #viewer-next span {
    display: none;
  }
  .viewer-navigation label {
    font-size: 11px;
    gap: 5px;
  }
  .viewer-navigation select {
    font-size: 16px;
    max-width: 60px;
    padding: 5px;
  }
  .viewer-caption {
    font-size: 11px;
    line-height: 1.4;
    padding: 0 15px 10px;
  }
  .viewer-hint {
    font-size: 9px;
    padding-bottom: 10px;
  }
  .viewer-thumbs {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    padding: 10px;
    gap: 8px;
    max-height: 210px;
  }
  .viewer-thumbs span {
    font-size: 9px;
  }
  .viewer-body {
    min-height: 120px;
  }
}
@media (max-height: 500px) and (orientation: landscape) {
  .viewer-header {
    min-height: 55px;
    padding: 8px 18px;
  }
  .viewer-header h2 {
    font-size: 15px;
  }
  .viewer-header .eyebrow {
    display: none;
  }
  .viewer-stage {
    padding: 5px;
  }
  .viewer-caption,
  .viewer-hint {
    display: none;
  }
  .viewer-navigation {
    padding: 6px;
  }
  .viewer-navigation .button {
    min-height: 32px;
    padding-block: 5px;
  }
  .viewer-thumbs {
    max-height: 130px;
    grid-template-columns: repeat(7, minmax(0, 1fr));
  }
}

.viewer-stage.scroll-mode {
  display: block;
  overflow: auto;
  scroll-padding-top: 15px;
}
.viewer-stage.scroll-mode figure {
  margin: 0 auto 28px;
  max-width: 1400px;
}
.viewer-stage.scroll-mode img {
  display: block;
  width: 100%;
  height: auto;
  box-shadow: 0 5px 22px #00343d12;
}
.viewer-stage.scroll-mode figcaption {
  font-size: 12px;
  color: var(--muted);
  margin-top: 12px;
  text-align: center;
}
.viewer-navigation #viewer-scroll[aria-pressed="true"] {
  background: var(--accent-wash);
  color: var(--accent);
  border-color: var(--accent);
}
@media (max-width: 650px) {
  .viewer-navigation {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 7px;
  }
  .viewer-navigation #viewer-prev {
    grid-column: 1;
    grid-row: 1;
    padding: 7px;
    min-width: 34px;
    justify-self: start;
  }
  .viewer-navigation label {
    grid-column: 2 / 4;
    grid-row: 1;
    justify-content: center;
  }
  .viewer-navigation #viewer-next {
    grid-column: 4;
    grid-row: 1;
    padding: 7px;
    min-width: 34px;
    justify-self: end;
  }
  .viewer-navigation #viewer-scroll {
    grid-column: 1 / 3;
    grid-row: 2;
    justify-self: end;
    min-height: 35px;
    width: 100px;
  }
  .viewer-navigation #viewer-thumbnails {
    grid-column: 3 / 5;
    grid-row: 2;
    justify-self: start;
    min-height: 35px;
    width: 100px;
  }
  .viewer-stage.scroll-mode figcaption {
    font-size: 11px;
  }
  .viewer-header .viewer-actions {
    max-width: 150px;
  }
}
@media (max-width: 650px) {
  .viewer-navigation #viewer-thumbnails,
  .viewer-navigation #viewer-scroll {
    width: 112px;
    white-space: nowrap;
    gap: 8px;
    padding-inline: 9px;
  }
}

/* Make the destination format visible before visitors open a card. */
.material-type-row { display:flex;flex-wrap:wrap;align-items:center;gap:10px 12px;margin-bottom:18px; }
.material-type-badge { display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:6px;font-size:13px;line-height:1.3;font-weight:600;letter-spacing:0;white-space:nowrap;background:#075f66;color:#fff; }
.material-type-badge .icon { width:16px;height:16px;flex:none; }
.material-type-tour { background:#354d87; }
.material-type-demo { background:#634880; }
.material-status { font-size:12px;line-height:1.5;color:var(--muted); }
.material-expectation { font-size:13px;line-height:1.6;color:var(--ink);margin-top:20px; }
.material-expectation + .materials-actions { margin-top:12px; }

.viewer-header .material-type-badge { font-size:12px;padding:5px 9px;margin-bottom:8px; }
@media(max-width:650px){.viewer-header .material-type-badge{font-size:11px;padding:5px 7px;gap:5px;}}

.material-companion{display:flex;align-items:center;gap:12px;margin-top:20px;padding:16px;border:1px solid var(--strong-line);border-radius:5px;background:var(--accent-wash);color:var(--accent)}.material-companion>span{flex:1}.material-companion strong{display:block;font-size:13px;font-weight:600}.material-companion small{display:block;font-size:11px;color:var(--muted);margin-top:3px}.material-companion:hover{border-color:var(--accent)}

.materials-card[data-category-value="presentations"] .materials-visual > a{aspect-ratio:16/9}.materials-card[data-category-value="presentations"] .materials-visual img{object-fit:contain}

.material-type-architecture{background:#e6f1ef;color:#006873;border:1px solid #8fbfba}html[data-theme=dark] .material-type-architecture{background:#214a4f;color:#a9e6dc;border-color:#527d7b}

.materials-card[data-material="interactive-architecture"] .materials-visual > a{aspect-ratio:16/9}.materials-card[data-material="interactive-architecture"] .materials-visual img{object-fit:contain}

/* Portrait partner briefs retain their complete cover in the shared card grid. */
.materials-card[data-category-value="briefs"] .materials-visual > a{aspect-ratio:16/9;background:#101112}
.materials-card[data-category-value="briefs"] .materials-visual img{object-fit:contain}

/* Audience discovery is a browsing preference, independent of account access. */
.materials-controls{flex-wrap:wrap}
.materials-discovery{width:100%;display:grid;grid-template-columns:1fr 1fr auto;gap:18px;align-items:end}
.materials-discovery label{display:grid;gap:9px;font-size:12px;color:var(--muted)}
.materials-discovery select{width:100%;min-width:0;height:46px;border:1px solid var(--line);border-radius:5px;padding:0 12px;background:var(--surface);color:var(--ink);font:inherit;font-size:16px}
.materials-discovery .button{min-height:46px}
.materials-start{display:grid;grid-template-columns:.8fr 1.2fr;gap:34px;padding:27px 30px;margin:22px 0 30px;border:1px solid var(--line);border-left:3px solid var(--accent);background:var(--accent-wash);border-radius:6px}
.materials-start[hidden]{display:none}
.materials-start .eyebrow{font-size:10px;margin-bottom:12px}.materials-start h2{font-size:26px;letter-spacing:-.8px;margin:0 0 10px}.materials-start p:not(.eyebrow){font-size:14px;line-height:1.6;color:var(--muted)}
.materials-start ol{margin:0;padding-left:24px;display:grid;gap:15px}.materials-start li{padding-left:8px}.materials-start li::marker{color:var(--accent);font-size:13px}.materials-start a{font-size:15px;color:var(--ink);text-decoration:underline;text-underline-offset:4px}.materials-start small{display:block;margin-top:6px;font-size:11px;color:var(--muted)}
.materials-audience-label{font-size:11px!important;color:var(--accent)!important;margin:0 0 11px!important}
@media(max-width:700px){.materials-discovery{grid-template-columns:1fr;gap:14px}.materials-discovery .button{justify-self:start}.materials-start{grid-template-columns:1fr;padding:22px;gap:20px}.materials-search{max-width:none;width:100%}.materials-controls{gap:18px}}

/* Document language changes the edition only; site and viewer controls stay English. */
.material-language-row{display:flex;align-items:flex-end;justify-content:space-between;gap:14px;margin:20px 0 18px;flex-wrap:wrap}
.material-language-row label,.viewer-language{display:flex;flex-direction:column;gap:8px;font-size:12px;color:var(--muted);font-weight:500}
.material-language-row select,.viewer-language select{font:inherit;font-size:14px;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:5px;min-height:44px;padding:9px 34px 9px 12px;min-width:170px}
.material-language-row small{font-size:12px;color:var(--muted);padding-bottom:12px}
.material-language-row select:focus-visible,.viewer-language select:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.viewer-language{font-size:10px;gap:3px}.viewer-language select{min-width:145px;min-height:40px;font-size:13px}
.viewer-language[hidden]{display:none}
@media(max-width:700px){.viewer-header{flex-wrap:wrap;gap:10px}.viewer-actions{flex-wrap:wrap;justify-content:flex-end;width:100%}.viewer-language{margin-right:auto}.viewer-language select{min-width:138px}.material-language-row{align-items:flex-start}.material-language-row small{padding-top:30px}}
@media(max-width:380px){.viewer-actions{gap:6px}.viewer-language select{min-width:125px;width:125px}.viewer-actions #viewer-download{padding:9px;font-size:11px}.material-language-row{gap:6px}}
@media(max-width:700px){.viewer-header{position:relative}.viewer-header>div:first-child{width:100%;padding-right:46px}.viewer-header h2{max-width:none}.viewer-header .viewer-actions{max-width:none;width:100%;flex-wrap:nowrap;align-items:flex-end;gap:8px}.viewer-header #viewer-close{position:absolute;right:12px;top:12px;width:38px;height:38px}.viewer-header .viewer-language{margin-right:auto}.viewer-header #viewer-download{min-height:40px}.viewer-header #viewer-fullscreen{width:36px;height:40px}}
/* Long language names remain fully visible on narrow phones. */
@media(max-width:440px){.viewer-header .viewer-actions{display:grid;grid-template-columns:minmax(0,1fr) 36px;gap:8px}.viewer-header .viewer-language{grid-column:1/-1;margin-right:0;width:100%}.viewer-header .viewer-language select{width:100%;min-width:0}.viewer-header #viewer-download{justify-self:stretch;white-space:nowrap;justify-content:center}.viewer-header #viewer-fullscreen{grid-column:2}.viewer-header #viewer-close{display:flex}}

/* Kit 1.1: compact discovery and readable, zoomable document controls. */
.materials-refine{width:100%;order:3}.materials-refine summary{cursor:pointer;min-height:44px;display:flex;align-items:center;gap:10px;font-size:14px;color:var(--accent);list-style:revert}
.materials-refine summary::before{content:'+';font-size:20px}.materials-refine[open] summary::before{content:'−'}
.materials-refine .materials-discovery{padding:14px 0}.materials-controls .materials-search{order:1}.materials-controls .materials-filters{order:2}
.materials-controls .materials-filters button{min-height:44px;font-size:13px}.materials-controls .materials-search{font-size:13px}
.media-viewer .viewer-actions :is(a,button),.media-viewer .viewer-navigation button{min-height:44px;min-width:44px;font-size:14px}
.media-viewer .viewer-actions .icon-button{width:44px;height:44px}
.media-viewer .viewer-language{font-size:12px}.media-viewer .viewer-language select,.media-viewer #viewer-position{min-height:44px;font-size:16px}
.media-viewer #viewer-close{width:44px;height:44px}.media-viewer .viewer-caption{font-size:16px;line-height:1.5;text-align:start;padding:18px 24px 6px}
.viewer-takeaway{font-size:15px;line-height:1.7;color:var(--muted);padding:0 24px 20px;max-width:80ch;margin:0 auto;width:100%}
.media-viewer .viewer-stage.zoomed{display:block;overflow:auto;touch-action:pan-x pan-y}
.media-viewer .viewer-stage.zoomed img{width:1600px;max-width:none;max-height:none;height:auto;object-fit:contain}
.media-viewer .viewer-stage.zoomed figure{width:1600px;max-width:none}
@media(max-width:700px){
 .materials-controls{padding:16px 0;gap:8px}.materials-controls .materials-search{min-width:0;flex-basis:100%}
 .materials-controls .materials-filters{flex-wrap:nowrap;width:100%;overflow-x:auto;padding:6px 0}.materials-filters button{flex-shrink:0;white-space:nowrap}
 .materials-controls .materials-refine{border-top:1px solid var(--line)}
 .materials-refine .materials-discovery{gap:12px}
 .media-viewer .viewer-body{display:block;overflow:auto;min-height:0}
 .media-viewer .viewer-stage{min-height:0;height:auto;aspect-ratio:16/9;padding:12px;display:flex}
 .media-viewer .viewer-stage.scroll-mode{aspect-ratio:auto;display:block;max-height:48dvh;overflow:auto}
 .media-viewer .viewer-stage.interactive{aspect-ratio:auto}
 .media-viewer .viewer-stage img{max-height:none;width:100%;height:auto}
 .media-viewer .viewer-stage.zoomed{height:45dvh;aspect-ratio:auto}
 .media-viewer .viewer-header .viewer-actions{grid-template-columns:minmax(0,1fr) 44px;max-width:none}
 .media-viewer .viewer-navigation{grid-template-columns:repeat(6,minmax(0,1fr));padding:10px;gap:8px}
 .media-viewer .viewer-navigation #viewer-prev{grid-column:1/3;justify-self:stretch}
 .media-viewer .viewer-navigation label{grid-column:3/5}
 .media-viewer .viewer-navigation #viewer-next{grid-column:5/7;justify-self:stretch}
 .media-viewer .viewer-navigation #viewer-zoom{grid-row:2;grid-column:1/3}
 .media-viewer .viewer-navigation #viewer-scroll{grid-row:2;grid-column:3/5;width:auto;justify-self:stretch}
 .media-viewer .viewer-navigation #viewer-thumbnails{grid-row:2;grid-column:5/7;width:auto;justify-self:stretch}
 .media-viewer .viewer-navigation button{padding:8px;font-size:13px;gap:5px}
 .media-viewer .viewer-navigation #viewer-thumbnails svg{display:none}
 .media-viewer .viewer-caption{padding:14px 18px 6px}.viewer-takeaway{padding:0 18px 18px}
}
#media-viewer #viewer-download,#media-viewer #viewer-scroll,#media-viewer #viewer-thumbnails{min-height:44px;font-size:14px}
@media(max-width:700px){#media-viewer #viewer-scroll,#media-viewer #viewer-thumbnails{font-size:13px}}

/* Consistent card actions: natural content above, compact controls anchored below. */
.materials-card .materials-visual > a{aspect-ratio:16/9}
.materials-card .materials-visual img{object-fit:contain}
.materials-copy .material-card-footer{margin-top:auto;padding-top:20px}
.material-card-footer .material-language-row{display:flex;align-items:center;flex-wrap:nowrap;gap:12px;min-height:44px;margin:0 0 12px}
.material-card-footer .material-language-row label{display:block;flex:none;margin:0;font-size:13px;color:var(--muted)}
.material-card-footer .material-language-row select{flex:1;min-width:0;width:100%;max-width:100%;min-height:44px;font-size:16px;padding:8px 28px 8px 10px}
.material-card-footer .material-edition{font-size:13px;color:var(--muted)}
.material-card-footer .materials-actions{display:grid;grid-template-rows:minmax(44px,auto) 44px;gap:8px;margin:0}
.material-card-footer .materials-actions .button{min-height:44px;font-size:14px;padding:10px 14px;text-align:center}
.material-card-footer .material-download{min-height:44px;font-size:13px}
.material-card-footer .material-download span{font-size:12px}
@media(max-width:700px){
 .material-card-footer .material-language-spacer{display:none}
 .material-card-footer .materials-actions:not(:has(.material-download)){grid-template-rows:auto}
}
@media(max-width:380px){
 .material-card-footer .material-language-row{flex-wrap:wrap;gap:6px}
 .material-card-footer .material-language-row label{flex-basis:100%}
}