.page-modelviewer .mv-intro {
  margin: 0 0 14px;
}

.page-modelviewer .mv-lead {
  color: rgba(255,255,255,0.82);
  line-height: 1.55;
  max-width: 920px;
}

.page-modelviewer .mv-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 18px;
  margin-top: 14px;
}

.page-modelviewer .mv-card {
  grid-column: span 4;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 14px;
  box-shadow: 0 10px 20px rgba(0,0,0,0.25);
  overflow: hidden;
  transition: transform 180ms ease, border-color 180ms ease;
}

@media (max-width: 1100px) {
  .page-modelviewer .mv-card { grid-column: span 6; }
}
@media (max-width: 650px) {
  .page-modelviewer .mv-card { grid-column: span 12; }
}

.page-modelviewer .mv-card:hover {
  transform: translateY(-2px);
  border-color: rgba(255,255,255,0.16);
}

.page-modelviewer .mv-card button {
  all: unset;
  display: block;
  cursor: pointer;
}

.page-modelviewer .mv-thumb {
  aspect-ratio: 1 / 1;
  width: 100%;
  background: linear-gradient(135deg, rgba(255,255,255,0.07), rgba(255,255,255,0.02));
  display: grid;
  place-items: center;
}

.page-modelviewer .mv-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-modelviewer .mv-meta {
  padding: 14px 14px 16px;
}

.page-modelviewer .mv-name {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0 0 8px;
}

.page-modelviewer .mv-divider {
  height: 1px;
  background: rgba(255,255,255,0.10);
  margin: 10px 0;
}

.page-modelviewer .mv-desc {
  margin: 0;
  color: rgba(255,255,255,0.78);
  line-height: 1.45;
}

/* Modal */
.page-modelviewer .mv-modal[hidden] { display: none; }

.page-modelviewer .mv-modal {
  position: fixed;
  inset: 0;
  z-index: 9999;
}

.page-modelviewer .mv-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.62);
  backdrop-filter: blur(10px);
}

.page-modelviewer .mv-dialog {
  position: relative;
  width: min(980px, calc(100% - 32px));
  margin: 56px auto;
  border-radius: 16px;
  background: rgba(29,38,52,0.98);
  border: 1px solid rgba(255,255,255,0.10);
  box-shadow: 0 22px 60px rgba(0,0,0,0.50);
  overflow: hidden;
}

.page-modelviewer .mv-dialog-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 14px 10px;
}

.page-modelviewer .mv-dialog-title {
  margin: 0;
  font-size: 1.2rem;
  font-weight: 800;
}

.page-modelviewer .mv-dialog-subtitle {
  margin: 6px 0 0;
  color: rgba(255,255,255,0.75);
  line-height: 1.35;
}

.page-modelviewer .mv-close {
  appearance: none;
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.05);
  color: rgba(255,255,255,0.9);
  border-radius: 10px;
  padding: 8px;
  cursor: pointer;
}

.page-modelviewer .mv-close:hover {
  background: rgba(255,255,255,0.08);
}

.page-modelviewer .mv-viewer-wrap {
  padding: 10px 14px 14px;
}

.page-modelviewer model-viewer {
  width: 100%;
  height: min(62vh, 560px);
  background: rgba(255,255,255,0.02);
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.08);
}


/* ---- Make all thumbnails consistent + add a clear "open" affordance ---- */
.page-modelviewer .mv-thumb{
  position: relative;
  aspect-ratio: 1 / 1;
  width: 100%;
  overflow: hidden;
}

/* Always fill the square consistently */
.page-modelviewer .mv-thumb img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Fallback icon (consistent size) when poster is missing */
.page-modelviewer .mv-fallback{
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, rgba(255,255,255,0.08), rgba(255,255,255,0.02));
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.page-modelviewer .mv-fallback .material-icons-outlined{
  font-size: 64px;          /* consistent icon size */
  line-height: 1;
  width: 64px;
  height: 64px;
  display: grid;
  place-items: center;
  color: rgba(255,255,255,0.9);
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.16);
  background: rgba(0,0,0,0.18);
  backdrop-filter: blur(8px);
}

/* "Open 3D" badge (visible on hover/focus) */
.page-modelviewer .mv-open-badge{
  position: absolute;
  right: 12px;
  bottom: 12px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(0,0,0,0.22);
  color: rgba(255,255,255,0.9);
  backdrop-filter: blur(10px);
  transform: translateY(6px);
  opacity: 0;
  transition: opacity 160ms ease, transform 160ms ease;
  pointer-events: none;
  font-size: 0.9rem;
}

.page-modelviewer .mv-card:hover .mv-open-badge,
.page-modelviewer .mv-card:focus-within .mv-open-badge{
  opacity: 1;
  transform: translateY(0);
}

.page-modelviewer .mv-open-badge .material-icons-outlined{
  font-size: 20px;
  line-height: 1;
}

/* Page-specific styles for modelviewer.html
   Assumes your base dashboard variables already exist (from css/styles.css) */

.mv-title-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.mv-subtitle {
  margin-top: 8px;
  color: var(--muted, #9e9ea4);
  max-width: 70ch;
  line-height: 1.45;
}

.mv-subtitle code {
  background: rgba(255, 255, 255, 0.06);
  padding: 2px 6px;
  border-radius: 6px;
}

.mv-hint {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.05);
  box-shadow: var(--shadow-2, 0 6px 7px -4px rgba(0, 0, 0, 0.2));
  color: rgba(255, 255, 255, 0.92);
  max-width: 420px;
}

.mv-hint .material-icons-outlined {
  font-size: 20px;
  opacity: 0.9;
}

/* Grid of blocks */
.model-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--gap, 20px);
  margin-top: 18px;
}

/* Responsive columns */
@media (max-width: 1200px) {
  .model-grid { grid-template-columns: repeat(8, 1fr); }
}
@media (max-width: 860px) {
  .model-grid { grid-template-columns: repeat(4, 1fr); }
  .mv-title-row { flex-direction: column; }
  .mv-hint { max-width: 100%; }
}
@media (max-width: 520px) {
  .model-grid { grid-template-columns: repeat(2, 1fr); }
}

/* Clickable block */
.model-card {
  grid-column: span 3;
  display: flex;
  flex-direction: column;
  text-align: left;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: var(--surface, #263043);
  border-radius: 14px;
  overflow: hidden;
  cursor: pointer;
  padding: 0;
  color: inherit;
  box-shadow: var(--shadow-2, 0 6px 7px -4px rgba(0,0,0,0.2));
  transition: transform 180ms var(--ease-out, cubic-bezier(0.2, 0, 0, 1)),
              border-color 180ms var(--ease-out, cubic-bezier(0.2, 0, 0, 1));
}

@media (max-width: 1200px) {
  .model-card { grid-column: span 4; }
}
@media (max-width: 860px) {
  .model-card { grid-column: span 2; }
}
@media (max-width: 520px) {
  .model-card { grid-column: span 2; }
}

.model-card:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.16);
}

.model-card:focus-visible {
  outline: 3px solid rgba(255, 255, 255, 0.25);
  outline-offset: 2px;
}

/* Square thumbnail placeholder */
.model-thumb {
  aspect-ratio: 1 / 1;
  display: grid;
  place-items: center;
  background:
    radial-gradient(1200px 400px at 0% 0%, rgba(255,255,255,0.10), transparent 55%),
    radial-gradient(1200px 400px at 100% 100%, rgba(255,255,255,0.08), transparent 55%),
    rgba(0, 0, 0, 0.12);
}

.model-thumb .material-icons-outlined {
  font-size: 46px;
  opacity: 0.9;
}

.model-meta {
  padding: 12px 14px 14px;
}

.model-name {
  font-weight: 700;
  letter-spacing: 0.3px;
}

.model-divider {
  height: 1px;
  margin: 10px 0 10px;
  background: rgba(255, 255, 255, 0.10);
}

.model-desc {
  margin: 0;
  color: var(--muted, #9e9ea4);
  line-height: 1.35;
  font-size: 0.92rem;
}

/* Modal */
.mv-modal[hidden] { display: none; }

.mv-modal {
  position: fixed;
  inset: 0;
  z-index: 9999;
}

.mv-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(6px);
}

.mv-dialog {
  position: relative;
  width: min(1100px, calc(100% - 24px));
  margin: 48px auto;
  border-radius: 16px;
  background: var(--surface, #263043);
  border: 1px solid rgba(255, 255, 255, 0.10);
  box-shadow: 0 22px 70px rgba(0, 0, 0, 0.55);
  overflow: hidden;
}

@media (max-width: 720px) {
  .mv-dialog {
    margin: 14px auto;
    width: calc(100% - 18px);
  }
}

.mv-dialog-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 14px 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.10);
}

.mv-dialog-titles h2 {
  margin: 0;
  font-size: 1.05rem;
  letter-spacing: 0.3px;
}

.mv-dialog-titles p {
  margin: 6px 0 0;
  color: var(--muted, #9e9ea4);
  line-height: 1.35;
}

.mv-close {
  border: 0;
  background: rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.95);
  border-radius: 10px;
  padding: 8px;
  cursor: pointer;
  transition: background 160ms var(--ease-out, cubic-bezier(0.2, 0, 0, 1));
}

.mv-close:hover { background: rgba(255, 255, 255, 0.10); }
.mv-close:focus-visible {
  outline: 3px solid rgba(255, 255, 255, 0.25);
  outline-offset: 2px;
}

.mv-viewer-wrap {
  position: relative;
  height: min(68vh, 680px);
  background: rgba(0, 0, 0, 0.18);
}

model-viewer#mv-viewer {
  width: 100%;
  height: 100%;
  display: block;
}

/* AR button (inside model-viewer) */
.mv-ar-btn {
  position: absolute;
  left: 14px;
  bottom: 14px;
  border: 0;
  padding: 10px 12px;
  border-radius: 12px;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(6px);
}

.mv-ar-btn:hover {
  background: rgba(255, 255, 255, 0.16);
}

/* Loading overlay */
.mv-loading {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  gap: 10px;
  color: rgba(255, 255, 255, 0.90);
  pointer-events: none;
}

.mv-loading > span:first-child {
  font-size: 26px;
  opacity: 0.95;
}