body {
  font-family: 'Montserrat', Arial, sans-serif;
  margin: 0;
  padding: 0;
  background: #fafbfc;
  color: #222;
  /* Performance optimizations */
  will-change: auto;
  contain: layout style paint;
  /* Additional performance optimizations */
  text-rendering: optimizeSpeed;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

html, body {
  width: 100vw;
  height: 100%;
  min-height: 100vh;
  margin: 0;
  padding: 0;
  overflow-x: hidden;
  background: #fafbfc;
}

.top-bar {
  width: 100%;
  padding: 32px 32px 0 32px; /* Increased top padding and added horizontal padding */
  position: absolute;
  top: 0;
  left: 0;
  z-index: 10;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  box-sizing: border-box;
}

.top-left {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.25rem;
}

.top-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.title {
  font-size: 1.3rem;
  letter-spacing: 0.12em;
  font-weight: 700;
  color: #888;
  cursor: pointer;
  transition: color 0.2s;
  padding-top: 0.2em;
  padding-bottom: 0.2em;
  background: none;
  z-index: 20;
}

.title:hover {
  color: #222;
}



.main-flex {
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: flex-start;
  min-height: 100vh;
  padding-top: 120px; /* Increased to ensure logo and controls are visible */
  gap: 3.75rem;
}

.img-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
}

#painting {
  width: 100%;
  max-width: 31.25rem;
  height: auto;
  object-fit: contain;
  border-radius: 0.75rem;
  box-shadow: 0 0.125rem 1rem 0 rgba(0,0,0,0.07);
  background: #fff;
  /* Performance optimizations */
  will-change: transform;
  transform: translateZ(0);
  backface-visibility: hidden;
  /* Additional image optimizations */
  image-rendering: -webkit-optimize-contrast;
  image-rendering: crisp-edges;
  contain: layout style paint;
  /* Progressive loading */
  opacity: 0;
  transition: opacity 0.3s ease-in-out;
}

#painting.loaded {
  opacity: 1;
}

/* Loading placeholder */
#painting:not(.loaded)::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: loading-shimmer 1.5s infinite;
  border-radius: 0.75rem;
}

@keyframes loading-shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

#streak-bar {
  display: flex;
  justify-content: center;
  margin: 1.125rem 0 0 0;
  gap: 0.375rem;
}

.streak-circle {
  width: 0.875rem;
  height: 0.875rem;
  border-radius: 0.5rem;
  background-color: #e0e0e0;
  border: 0.0625rem solid #ccc;
  transition: background-color 0.3s ease;
}

.streak-circle.filled {
  background-color: #4caf50;
  border-color: #388e3c;
}

.streak-circle.incorrect {
  background-color: #f44336;
  border-color: #d32f2f;
}

.streak-circle.active {
  background: linear-gradient(135deg, #2196f3 0%, #42a5f5 50%, #64b5f6 100%);
  border-color: #1565c0;
  box-shadow: 
    inset 0 2px 4px rgba(255, 255, 255, 0.3),
    0 4px 12px rgba(33, 150, 243, 0.4),
    0 2px 4px rgba(0, 0, 0, 0.1);
  animation: activePulse 2s ease-in-out infinite;
}

@keyframes activePulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.btn-col {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  position: relative;
  min-width: 20rem;
  max-width: 25rem;
  width: 100%;
  gap: 1.125rem;
  margin-top: 3rem;
}

#options {
  display: flex;
  flex-direction: column;
  gap: 1.125rem;
  width: 100%;
  max-width: 25rem;
}

button {
  width: 100%;
  min-width: 13.75rem;
  min-height: 3.375rem;
  font-size: 1.1rem;
  font-family: inherit;
  border: 0.09375rem solid #d0d0d0;
  background: #f8f8f8;
  color: #222;
  border-radius: 0.625rem;
  box-shadow: 0 0.0625rem 0.25rem 0 rgba(0,0,0,0.03);
  transition: background 0.2s, border-color 0.2s, color 0.2s;
  cursor: pointer;
  outline: none;
  margin: 0;
}

button:hover:not(:disabled) {
  background: #e6f7ee;
  border-color: #4caf50;
}

button.correct {
  background-color: #c8f7c5;
  border-color: #4caf50;
  color: #222;
}

button.wrong {
  background-color: rgba(244, 67, 54, 0.15);
  border-color: rgba(244, 67, 54, 0.3);
  color: #222;
}

button:disabled {
  opacity: 0.85;
  cursor: not-allowed;
}

/* Ensure button states are properly reset */
button {
  transition: background 0.2s, border-color 0.2s, color 0.2s, opacity 0.2s;
}

button.correct, button.wrong {
  transition: background 0.3s, border-color 0.3s, color 0.3s;
}

/* Fix for mobile button state persistence */
button.loading {
  pointer-events: none;
  opacity: 0.7;
}

/* Encouraging popup for correct answers */


#message {
  min-height: 1.5rem;
  text-align: left;
  font-size: 1.05rem;
  margin: 0.625rem 0 0 0;
  font-weight: 500;
  color: #444;
  opacity: 0;
  transition: opacity 0.3s;
}

#message.visible {
  opacity: 1;
}

.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100vw;
  height: 100vh;
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal-content {
  background: #fff;
  border-radius: 1rem;
  padding: 2.25rem 2rem 1.75rem 2rem;
  box-shadow: 0 0.25rem 2rem 0 rgba(0,0,0,0.13);
  text-align: center;
  min-width: 16.25rem;
}

.modal-content h2 {
  margin-top: 0;
  font-size: 2rem;
  color: #388e3c;
}

.modal-content p {
  font-size: 1.15rem;
  margin: 1.125rem 0 1.5rem 0;
}

#reset-btn {
  font-family: inherit;
  font-size: 1.1rem;
  padding: 0.75rem 2rem;
  border-radius: 0.5rem;
  border: none;
  background: #4caf50;
  color: #fff;
  cursor: pointer;
  transition: background 0.2s;
}

#reset-btn:hover {
  background: #388e3c;
}

.category-selector {
  display: inline-block;
  margin-top: 0.375rem;
  min-width: 7.5rem;
  background: none;
  position: relative;
}

#category-select {
  display: none;
}

.custom-category-link {
  font-size: 0.98rem;
  color: #388e3c;
  text-decoration: underline;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0.125rem 0.5rem;
  margin: 0;
  outline: none;
  transition: color 0.2s;
  position: relative;
  display: inline-block;
  max-width: 12.5rem;
  white-space: nowrap;
  overflow: visible;
  text-overflow: ellipsis;
  vertical-align: middle;
  font-family: inherit;
}

/* Removed dropdown arrow for cleaner look */

.custom-category-link:hover {
  color: #222;
}

.custom-category-menu {
  position: absolute;
  top: 100%;
  right: 0;
  background: #fff;
  border: 0.0625rem solid #e0e0e0;
  border-radius: 0.5rem;
  box-shadow: 0 0.125rem 0.75rem 0 rgba(0,0,0,0.08);
  min-width: 12rem;
  max-width: 20rem;
  z-index: 100;
  padding: 0.25rem 0;
  max-height: 20rem;
  overflow-y: auto;
  margin-top: 0.25rem;
}

/* Ensure dropdown doesn't go off-screen on desktop */
@media (min-width: 1200px) {
  .custom-category-menu {
    right: auto;
    left: 0;
  }
}

/* Medium screens - adjust positioning */
@media (min-width: 768px) and (max-width: 1199px) {
  .custom-category-menu {
    right: 0;
    min-width: 14rem;
  }
}

.custom-category-item {
  padding: 0.4375rem 1.125rem 0.4375rem 1rem;
  font-size: 0.97rem;
  color: #444;
  cursor: pointer;
  background: none;
  border: none;
  text-align: left;
  transition: background 0.15s, color 0.15s;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  width: 100%;
  display: block;
}

.custom-category-item:hover {
  background: #e6f7ee;
  color: #222;
}

.artist-popup {
  position: static;
  margin: 1.125rem 0 0 0;
  background: #fff;
  border-radius: 0.625rem;
  box-shadow: 0 0.125rem 0.5rem 0 rgba(0, 0, 0, 0.08);
  padding: 0.75rem 1.125rem 0.75rem 0.75rem;
  min-width: 11.25rem;
  max-width: 25rem;
  width: 100%;
  opacity: 0;
  display: none;
  transition: opacity 0.4s;
  pointer-events: none;
  font-size: 0.98rem;
}

.artist-popup-content {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.artist-portrait {
  width: 3.375rem;
  height: 3.375rem;
  object-fit: cover;
  border-radius: 50%;
  border: 0.125rem solid #4caf50;
  background: #eee;
}

.artist-popup-text {
  font-size: 1.02rem;
  color: #222;
  line-height: 1.3;
}

.artist-popup-text strong {
  font-size: 1.08rem;
  color: #388e3c;
}

.artist-popup.large-popup {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.98);
  z-index: 20;
  border-radius: 1rem;
  box-shadow: 0 0.25rem 2rem rgba(0,0,0,0.10);
  padding: 0;
}

.artist-popup-content.large-content {
  flex-direction: row;
  gap: 2rem;
  max-width: 37.5rem;
  padding: 0;
}

.artist-portrait.large-portrait {
  width: 7.5rem;
  height: 7.5rem;
  border-radius: 0.75rem;
  margin-right: 1.5rem;
}

.artist-popup-text.large-text {
  font-size: 1.1rem;
  line-height: 1.5;
  max-width: 20rem;
}

.artist-popup.toast {
  position: fixed;
  top: 10rem; /* Increased to always clear the top bar */
  right: 2rem;
  background: #fff;
  border-radius: 1.375rem;
  box-shadow: 0 0.5rem 3rem rgba(0,0,0,0.18);
  flex-direction: row;
  align-items: flex-start;
  min-width: 23.75rem;
  max-width: 33.75rem;
  padding: 1.375rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s, transform 0.4s;
  z-index: 1000;
}

@media (max-width: 900px) {
  .artist-popup.toast {
    top: 9rem; /* Increased for mobile/tablet to clear top bar */
    right: 1rem;
    left: 1rem;
    min-width: auto;
    max-width: none;
    width: 99vw;
    padding: 0.4375rem 0.125rem 0.625rem 0.125rem;
  }
}

.artist-popup.toast.visible {
  opacity: 1;
  pointer-events: auto;
}

.artist-popup-content.toast-content {
  flex-direction: row;
  align-items: flex-start;
  gap: 2rem;
  width: 100%;
}

.artist-popup.toast.persistent .artist-popup-content.toast-content {
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.artist-portrait.toast-portrait {
  width: 7.5rem;
  height: 11.25rem;
  border-radius: 1rem;
  box-shadow: 0 0.25rem 1.125rem rgba(0,0,0,0.13);
  border: 0.1875rem solid #388e3c;
  flex-shrink: 0;
}

.artist-popup.toast.persistent .artist-portrait.toast-portrait {
  width: 8rem;
  height: 12rem;
}

.artist-popup-text.toast-text {
  font-size: 1.18rem;
  line-height: 1.5;
  max-width: 21.25rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
}

.artist-popup.toast.persistent .artist-popup-text.toast-text {
  max-width: none;
  width: 100%;
  align-items: center;
  text-align: center;
}

.artist-popup-text.toast-text .artist-gallery-section {
  max-width: none;
  width: 100%;
}

.artist-popup-text.toast-text .artist-name {
  color: #388e3c;
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.1rem;
}

.artist-popup-text.toast-text .artist-years {
  color: #444;
  font-size: 1.08rem;
  font-weight: 500;
  margin-bottom: 0.4rem;
}

.artist-popup-text.toast-text .artist-bio {
  font-size: 1rem;
  color: #222;
}

.collection-info {
  display: inline-block;
  margin-left: 1.125rem;
  font-size: 1.01rem;
  color: #666;
  font-weight: 400;
  vertical-align: middle;
  letter-spacing: 0.01em;
}

.footer-social {
  width: 100vw;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1.5rem;
  padding: 1.125rem 0 0.75rem 0;
  background: none;
  font-size: 0.97rem;
  color: #666;
  margin-top: 2rem;
}

.social-link, .footer-link {
  color: #666;
  font-size: 0.97rem;
  text-decoration: underline;
  background: none;
  border: none;
  padding: 0 0.25rem;
  margin: 0;
  transition: color 0.2s;
  cursor: pointer;
  font-weight: 400;
  letter-spacing: 0.01em;
}

.social-link:hover, .footer-link:hover {
  color: #4caf50;
  text-decoration: underline;
}

.social-link:focus, .footer-link:focus {
  outline: 0.125rem solid #4caf50;
}

.artist-list-modal {
  max-width: 700px;
  padding: 2em;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 4px 32px rgba(0,0,0,0.15);
  text-align: left;
  max-height: 90vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

  #artist-list-columns {
    display: flex;
    flex-wrap: wrap;
    gap: 2em;
    margin: 1em 0;
    flex: 1 1 auto;
    overflow-y: auto;
    max-height: 65vh;
  }

  .artist-list-col {
    flex: 1 1 150px;
    min-width: 120px;
  }

  @media (max-width: 700px) {
    #artist-list-columns {
      flex-direction: column;
      gap: 1rem;
    }

    .artist-list-col {
      flex: none;
      min-width: 0;
      width: 100%;
    }
  }

.artist-list-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.artist-list-col li {
  margin-bottom: 0.3125rem;
  font-size: 1rem;
}

.clickable-artist-name {
  cursor: pointer;
  transition: color 0.2s ease;
}

.clickable-artist-name:hover {
  color: #388e3c;
}

.artist-list-col a {
  color: inherit;
  text-decoration: none;
  cursor: pointer;
  transition: color 0.2s;
}

.artist-list-col a:hover {
  color: #388e3c;
  text-decoration: underline;
}

.artist-tags {
  margin-top: 0.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
}

.artist-tag {
  background: #f0f1f4;
  color: #555;
  font-size: 0.85rem;
  padding: 0.125rem 0.625rem;
  border-radius: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  border: 0.0625rem solid #e0e0e0;
}

.artist-popup-text .artist-name {
  font-size: 1.25rem;
  font-weight: 700;
  color: #222;
  margin-bottom: 0.125rem;
}

.artist-popup-text .artist-years {
  font-size: 1rem;
  color: #666;
  margin-bottom: 0.375rem;
}

.artist-popup-text .artist-bio {
  font-size: 1rem;
  color: #333;
  margin-bottom: 0.25rem;
  line-height: 1.5;
}

.artist-popup-text .artist-painting-count {
  font-size: 0.9rem;
  color: #666;
  margin-left: 0.25rem;
}

.artist-popup-close {
  position: absolute;
  top: 0.75rem;
  right: 1.125rem;
  background: none;
  border: none;
  font-size: 2rem;
  color: #666;
  cursor: pointer;
  z-index: 10;
  transition: color 0.2s;
}

.artist-popup-close:hover {
  color: #e53935;
}

.artist-popup.toast.persistent {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: #fff;
  border-radius: 0.5rem;
  box-shadow: 0 0.5rem 3rem rgba(0,0,0,0.18);
  flex-direction: column;
  align-items: stretch;
  min-width: 23.75rem;
  max-width: 42rem;
  max-height: 90vh;
  overflow-y: auto;
  padding: 1.5rem;
  opacity: 1;
  pointer-events: auto;
  z-index: 2000;
}

.persistent-popup-close-container {
  margin-top: 1.5rem;
  text-align: center;
}

.persistent-popup-close-btn {
  background: #eee;
  color: #222;
  border: 1px solid #ddd;
  border-radius: 0.5rem;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  cursor: pointer;
  transition: background-color 0.2s ease;
  width: 100%;
  max-width: 8rem;
}

.persistent-popup-close-btn:hover {
  background: #ddd;
}

/* Artist Gallery Section */
.artist-gallery-section {
  margin-top: 1rem;
  padding-top: 0.5rem;
  width: 100%;
}

.artist-gallery-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
  width: 100%;
}

.artist-gallery-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: #333;
  margin: 0;
}

.artist-gallery-count {
  font-size: 0.85rem;
  color: #666;
  font-weight: 400;
}

.artist-gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem;
  margin-bottom: 0.75rem;
  width: 100%;
}

.artist-gallery-item {
  position: relative;
  border-radius: 0.5rem;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  cursor: pointer;
  background: #f5f5f5;
}

.artist-gallery-item img {
  width: 100%;
  height: 100px;
  object-fit: cover;
  display: block;
  transition: opacity 0.3s ease;
  background: #f5f5f5;
}

.artist-gallery-item-title {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0,0,0,0.8));
  color: white;
  font-size: 0.7rem;
  padding: 0.4rem;
  text-align: center;
  opacity: 0;
  transition: opacity 0.2s ease;
  font-weight: 500;
  line-height: 1.2;
  pointer-events: none;
}

.artist-gallery-load-more {
  width: 100%;
  padding: 0.6rem;
  background: #f8f9fa;
  border: 1px solid #e0e0e0;
  border-radius: 0.5rem;
  color: #666;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
}

.artist-gallery-load-more:hover {
  background: #e9ecef;
  border-color: #ced4da;
  color: #495057;
}

.artist-gallery-load-more:active {
  transform: translateY(1px);
}

.artist-gallery-load-more.loading {
  background: #f8f9fa;
  color: #999;
  cursor: not-allowed;
}

.artist-gallery-load-more.loading::after {
  content: '';
  display: inline-block;
  width: 12px;
  height: 12px;
  border: 2px solid #ddd;
  border-top: 2px solid #666;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-left: 0.5rem;
}

/* Mobile responsive for artist gallery */
@media (max-width: 700px) {
  .artist-gallery-section {
    margin-top: 0.75rem;
    padding-top: 0.25rem;
  }
  
  .artist-gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.4rem;
  }
  
  .artist-gallery-item img {
    height: 80px;
  }
  
  .artist-gallery-item-title {
    font-size: 0.65rem;
    padding: 0.3rem;
  }
  
  .artist-gallery-load-more {
    padding: 0.5rem;
    font-size: 0.8rem;
  }
}

@media (max-width: 500px) {
  .artist-gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.3rem;
  }
  
  .artist-gallery-item img {
    height: 70px;
  }
  
  .artist-gallery-item-title {
    font-size: 0.6rem;
    padding: 0.25rem;
  }
}

#artist-popup-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.18);
  z-index: 1999;
  display: none;
}

#artist-popup-overlay.visible {
  display: block;
}

#artist-popup-container {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: flex-start;
  min-width: 20rem;
  max-width: 27.5rem;
  margin: 0 0 1.125rem 0;
  min-height: 0;
}

.artist-popup-columns {
  display: flex;
  flex-direction: row;
  gap: 2rem;
  min-width: 37.5rem;
  max-width: 68.75rem;
  min-height: 20rem;
}

.artist-popup-left {
  flex: 0 0 16.25rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  min-width: 13.75rem;
  max-width: 20rem;
}

.artist-popup-right {
  flex: 1 1 0;
  max-height: 26.25rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
}

.artist-paintings-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 0.5rem;
}

.artist-painting-thumb {
  width: 6.875rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 0.5rem;
}

.artist-painting-thumb img {
  width: 6.25rem;
  height: 6.25rem;
  object-fit: cover;
  border-radius: 0.5rem;
  box-shadow: 0 0.125rem 0.5rem 0 rgba(0,0,0,0.08);
  margin-bottom: 0.25rem;
}

.artist-painting-title {
  font-size: 0.92rem;
  color: #444;
  text-align: center;
  max-width: 6.25rem;
  word-break: break-word;
}

.artist-popup-right.only-images .artist-painting-title {
  display: none;
}

.gallery-modal-content {
  min-width: 320px;
  max-width: 700px;
  width: 700px;
  background: #fff;
  border-radius: 16px;
  padding: 36px 32px 28px 32px;
  box-shadow: 0 4px 32px 0 rgba(0,0,0,0.13);
  text-align: center;
  max-height: 90vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.how-to-play-modal-content {
  min-width: 320px;
  max-width: 700px;
  width: 700px;
  background: #fff;
  border-radius: 16px;
  padding: 36px 32px 28px 32px;
  box-shadow: 0 4px 32px 0 rgba(0,0,0,0.13);
  text-align: left;
  max-height: 90vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

#how-to-play-content {
  flex: 1;
  margin-bottom: 1.5rem;
}

.how-to-play-section {
  margin-bottom: 2rem;
}

.how-to-play-section:last-child {
  margin-bottom: 0;
}

.how-to-play-section h3 {
  color: #388e3c;
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  margin-top: 0;
}

.how-to-play-section p {
  font-size: 1rem;
  line-height: 1.6;
  color: #333;
  margin-bottom: 0.5rem;
}

.how-to-play-section ul {
  margin: 0.5rem 0;
  padding-left: 1.5rem;
}

.how-to-play-section li {
  font-size: 1rem;
  line-height: 1.5;
  color: #333;
  margin-bottom: 0.25rem;
}

.how-to-play-section strong {
  color: #222;
  font-weight: 600;
}

#gallery-collage {
  width: 100%;
  margin: 0 auto 1.125rem auto;
}

.gallery-collage-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  width: 100%;
  margin-top: 8px;
  max-height: 65vh;
  overflow-y: auto;
}

.gallery-collage-img {
  width: 90%;
  max-width: 90%;
  min-height: 220px;
  max-height: 400px;
  height: auto;
  object-fit: contain;
  border-radius: 10px;
  box-shadow: 0 2px 8px 0 rgba(0,0,0,0.08);
  background: #eee;
  display: block;
  margin: 0 auto;
}

@media (max-width: 900px) {
  .main-flex {
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    padding-top: 2rem;
  }

  .btn-col {
    min-width: 0;
    width: 90vw;
    max-width: 25rem;
    margin-top: 1rem;
  }

  .img-col {
    width: 100vw;
  }

  #painting {
    max-width: 90vw;
  }

  .artist-popup-content.large-content {
    flex-direction: column;
    gap: 1rem;
    max-width: 90vw;
  }

  .artist-portrait.large-portrait {
    width: 5.625rem;
    height: 5.625rem;
    margin-right: 0;
  }

  .artist-popup-text.large-text {
    max-width: 90vw;
  }

  .artist-popup.toast {
    right: 0.5rem;
    top: 0.5rem;
    min-width: 0;
    max-width: 98vw;
    width: 98vw;
    padding: 0.75rem 0.3125rem 0.75rem 0.3125rem;
  }

  .artist-popup-content.toast-content {
    gap: 1rem;
  }

  .artist-portrait.toast-portrait {
    width: 4.375rem;
    height: 6.5625rem;
    border-radius: 0.5rem;
  }

  .artist-popup-text.toast-text {
    max-width: 70vw;
    font-size: 1rem;
  }
  
  .artist-popup-text.toast-text .artist-gallery-section {
    max-width: none;
    width: 100%;
  }

  .artist-popup-columns {
    flex-direction: column;
    min-width: 0;
    max-width: 98vw;
    gap: 1.125rem;
  }

  .artist-popup-left, .artist-popup-right {
    max-width: 100vw;
    min-width: 0;
  }

  .artist-popup-right {
    max-height: 13.75rem;
  }

  .artist-paintings-grid {
    justify-content: flex-start;
    gap: 0.625rem;
  }

  .artist-painting-thumb {
    width: 5rem;
  }

  .artist-painting-thumb img {
    width: 4.375rem;
    height: 4.375rem;
  }

  .artist-painting-title {
    max-width: 4.375rem;
    font-size: 0.85rem;
  }

  #artist-popup-container {
    min-width: 0;
    max-width: 100vw;
    margin-left: 0;
    align-items: center;
  }
}

@media (max-width: 700px) {
  /* hide the custom dropdown UI… */
  #custom-category-link,
  .custom-category-menu {
    display: none !important;
  }

  /* …and show the native select in its place */
  #category-select {
    display: block !important;
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    border: 1px solid #ccc;
    border-radius: 0.5rem;
    background: #fff;
  }
  
  .top-bar {
    flex-direction: column;
    align-items: flex-start;
    padding: 1rem 1rem 0 1rem;
    width: 100vw;
    min-width: 0;
    gap: 0.75rem;
    position: relative;
  }

  .top-left {
    width: 100%;
  }

  .top-right {
    width: 100%;
    justify-content: space-between;
    align-items: center;
  }

  .title {
    font-size: 1.5rem;
    margin-bottom: 0.25rem;
  }

  .collection-info {
    display: block;
    width: 100%;
    margin: 0.25rem 0 0 0;
    font-size: 0.9rem;
    position: static;
    padding-left: 0;
    color: #666;
  }

  .category-selector {
    margin-top: 0;
    width: auto;
    padding-left: 0;
    position: relative;
    right: auto;
    top: auto;
    margin-right: 0;
    max-width: 100%;
    overflow: hidden;
  }



  .custom-category-link {
    font-size: 1rem;
    padding: 0.75rem 1rem;
    background: #f0f0f0;
    border-radius: 0.5rem;
    border: 1px solid #ddd;
    max-width: 10rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    min-height: 44px; /* Minimum touch target size */
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
  }
  
  .custom-category-menu {
    position: absolute;
    top: 100%;
    right: 0;
    max-width: 15rem;
    max-height: 15rem;
    margin-top: 0.25rem;
    z-index: 1001;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  }

  .artist-popup.toast {
    position: fixed;
    top: 7rem; /* Position below top bar on mobile */
    flex-direction: column;
    align-items: center;
    min-width: 0;
    max-width: 99vw;
    width: 99vw;
    padding: 0.4375rem 0.125rem 0.625rem 0.125rem;
  }

  .artist-popup-content.toast-content {
    flex-direction: column;
    align-items: center;
    gap: 0.4375rem;
  }

  .artist-portrait.toast-portrait {
    width: 3.75rem;
    height: 5.625rem;
    margin-bottom: 0.1875rem;
  }

  .artist-popup-text.toast-text {
    max-width: 95vw;
    align-items: center;
    text-align: center;
  }

  .gallery-modal-content {
    padding: 1rem;
    min-width: 0;
    max-width: 100vw;
    width: 100%;
  }

  .how-to-play-modal-content {
    padding: 1rem;
    min-width: 0;
    max-width: 100vw;
    width: 100%;
  }

  .gallery-collage-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
  }

  .gallery-collage-img {
    width: 100%;
    height: 8rem;
    max-width: none;
    transition: opacity 0.3s ease-in-out;
  }
  
  /* Gallery loading state */
  #show-gallery-link.loading {
    opacity: 0.7;
    cursor: not-allowed;
  }
  
  /* Gallery loading indicator */
  .gallery-loading-indicator {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1rem;
    color: #666;
    font-size: 0.9rem;
  }
  
  .gallery-loading-indicator::before {
    content: '';
    width: 16px;
    height: 16px;
    border: 2px solid #ddd;
    border-top: 2px solid #388e3c;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-right: 0.5rem;
  }
  
  @keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
  }
  
  /* Gallery load more button */
  .gallery-load-more-btn {
    width: 100%;
    padding: 1rem;
    margin: 1rem 0;
    background: #f8f9fa;
    border: 2px solid #e9ecef;
    border-radius: 0.5rem;
    color: #388e3c;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
  }
  
  .gallery-load-more-btn:hover {
    background: #e6f7ee;
    border-color: #388e3c;
    transform: translateY(-1px);
  }
  
  .gallery-load-more-btn:active {
    transform: translateY(0);
  }

  #artists-modal, #gallery-modal, #how-to-play-modal {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    width: 100vw;
    height: 100vh;
    max-width: 100vw;
    max-height: 100vh;
    overflow-y: auto;
    z-index: 2000;
    background: #fff;
    display: flex;
    align-items: stretch;
    justify-content: center;
    padding: 0;
    margin: 0;
    box-sizing: border-box;
  }

  .artist-list-modal, .gallery-modal-content, .how-to-play-modal-content {
    background: #fff;
    border-radius: 0;
    box-shadow: none;
    margin-top: 0;
    margin-bottom: 0;
    height: 100vh;
    max-height: 100vh;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    width: 100%;
  }

  .artist-list-modal {
    width: 100vw;
    max-width: 100vw;
    min-width: 0;
    padding: 1rem;
    border-radius: 0;
    margin-top: 0;
    box-sizing: border-box;
  }

  #close-artists-modal {
    position: sticky;
    top: 0;
    left: 0;
    z-index: 10;
    background: #eee;
    color: #222;
    border: none;
    border-radius: 0.5rem;
    padding: 0.3125rem 0.75rem;
    font-size: 1.1rem;
    margin-bottom: 0.625rem;
    margin-top: 0.125rem;
    margin-left: 0.125rem;
    box-shadow: 0 0.125rem 0.5rem rgba(0,0,0,0.07);
  }
}

/* Round results modal */
.round-results-content {
  min-width: 350px;
  max-width: 450px;
  text-align: center;
}

.round-results-stats {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin: 1rem 0;
  padding: 0.75rem;
  background: #f8f9fa;
  border-radius: 0.5rem;
  border: 1px solid #e9ecef;
}

.stat-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.375rem 0;
  border-bottom: 1px solid #e9ecef;
}

.stat-item:last-child {
  border-bottom: none;
}

.stat-label {
  font-size: 0.9rem;
  color: #666;
  font-weight: 500;
}

.stat-value {
  font-size: 1.1rem;
  color: #388e3c;
  font-weight: 700;
}

.round-results-artists {
  margin: 1rem 0;
  padding: 0.75rem;
  background: #f8f9fa;
  border-radius: 0.5rem;
  border: 1px solid #e9ecef;
}

.artists-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
  margin-top: 0.5rem;
}

.artist-tag-small {
  background: rgba(76, 175, 80, 0.1);
  color: #4caf50;
  padding: 0.2rem 0.6rem;
  border-radius: 10px;
  font-size: 0.8rem;
  font-weight: 500;
  border: 1px solid rgba(76, 175, 80, 0.2);
  transition: all 0.2s ease;
}

.artist-tag-small:hover {
  background: rgba(76, 175, 80, 0.15);
  transform: translateY(-1px);
}

.round-results-feedback {
  font-size: 1rem;
  color: #333;
  font-weight: 600;
  margin: 1rem 0;
  padding: 0.75rem;
  background: linear-gradient(135deg, #e8f5e8, #f0f8f0);
  border-radius: 0.5rem;
  border-left: 4px solid #4caf50;
}

.round-results-buttons {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  margin-top: 1rem;
}

.primary-btn {
  background: #4caf50;
  color: white;
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}

.primary-btn:hover {
  background: #388e3c;
}

.secondary-btn {
  background: #f8f9fa;
  color: #666;
  border: 1px solid #dee2e6;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s;
}

.secondary-btn:hover {
  background: #e9ecef;
}

@media (max-width: 700px) {
  .round-results-content {
    min-width: 0;
    max-width: 95vw;
    margin: 1rem;
  }
  
  .round-results-stats {
    padding: 0.75rem;
  }
  
  .round-results-buttons {
    flex-direction: column;
    gap: 0.75rem;
  }
  
  .primary-btn, .secondary-btn {
    width: 100%;
  }
}

/* Fix desktop layout overflow */
.category-selector {
  position: relative;
  z-index: 100;
  max-width: calc(100vw - 2rem);
  overflow: visible;
}

.category-selector select {
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 0.875rem;
  padding: 0.5rem;
}

/* Streak circles styling is now handled in the main .streak-circle section above */

/* Better mobile layout */
@media (max-width: 700px) {
  .main-flex {
    flex-direction: column;
    padding: 1rem;
    gap: 1rem;
  }
  
  .img-col {
    width: 100%;
    max-width: 100%;
  }
  
  .btn-col {
    width: 100%;
    max-width: 100%;
  }
  
  .category-selector {
    position: relative;
    top: auto;
    right: auto;
    margin-bottom: 1rem;
    width: 100%;
    max-width: 100%;
  }
  
  .category-selector select {
    width: 100%;
    max-width: 100%;
    font-size: 1rem;
  }
  
  .top-bar {
    flex-direction: column;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
  }
  
  .top-left, .top-right {
    width: 100%;
    justify-content: center;
  }
  
  .round-results-content {
    min-width: 0;
    max-width: 95vw;
    margin: 1rem;
  }
  
  .round-results-stats {
    padding: 0.75rem;
  }
  
  .round-results-buttons {
    flex-direction: column;
    gap: 0.75rem;
  }
  
  .primary-btn, .secondary-btn {
    width: 100%;
  }
}

/* Modern Diploma Styles */
.diploma-content {
  background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
  border-radius: 20px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15), 0 8px 25px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  max-width: 700px;
  width: 95vw;
  max-height: 90vh;
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.2);
  animation: diplomaEntrance 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes diplomaEntrance {
  0% {
    opacity: 0;
    transform: scale(0.9) translateY(20px);
  }
  100% {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.diploma-container {
  position: relative;
  min-height: 400px;
  display: flex;
  flex-direction: column;
  background: linear-gradient(135deg, #2e7d32 0%, #388e3c 50%, #4caf50 100%);
  overflow: hidden;
}

.diploma-container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
  z-index: 1;
}

.diploma-container::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    radial-gradient(2px 2px at 20px 30px, rgba(255, 255, 255, 0.3), transparent),
    radial-gradient(2px 2px at 40px 70px, rgba(255, 255, 255, 0.2), transparent),
    radial-gradient(1px 1px at 90px 40px, rgba(255, 255, 255, 0.4), transparent),
    radial-gradient(1px 1px at 130px 80px, rgba(255, 255, 255, 0.2), transparent),
    radial-gradient(2px 2px at 160px 30px, rgba(255, 255, 255, 0.3), transparent);
  background-repeat: repeat;
  background-size: 200px 100px;
  animation: sparkle 4s linear infinite;
  z-index: 1;
  opacity: 0.6;
}

@keyframes sparkle {
  0% { transform: translateY(0); }
  100% { transform: translateY(-100px); }
}

.diploma-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
  transition: all 0.3s ease-in-out;
}

.diploma-background:hover {
  transform: scale(1.02);
}

.diploma-background:hover .diploma-painting-bg {
  opacity: 0.2;
  filter: blur(1px);
}

.diploma-background:hover .diploma-artist-attribution {
  background: rgba(0, 0, 0, 0.5);
  color: rgba(255, 255, 255, 1);
}

.diploma-painting-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0.1;
  filter: blur(2px);
  z-index: 2;
  transition: opacity 0.5s ease-in-out;
}

.diploma-artist-attribution {
  position: absolute;
  bottom: 1rem;
  right: 1rem;
  background: rgba(0, 0, 0, 0.3);
  color: rgba(255, 255, 255, 0.8);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 500;
  z-index: 3;
  backdrop-filter: blur(4px);
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.3s ease-in-out;
}

.diploma-artist-attribution.visible {
  opacity: 1;
  transform: translateY(0);
}

.diploma-content-inner {
  position: relative;
  z-index: 3;
  padding: 0 2.5rem 2.5rem 2.5rem;
  display: flex;
  flex-direction: column;
  height: 100%;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.9) 100%);
  backdrop-filter: blur(10px);
}

.diploma-header {
  text-align: center;
  margin-bottom: 2rem;
  position: relative;
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

@keyframes fadeInUp {
  0% {
    opacity: 0;
    transform: translateY(20px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

.diploma-header::after {
  content: '';
  position: absolute;
  bottom: -1rem;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, #4caf50, #66bb6a);
  border-radius: 2px;
  animation: expandWidth 0.8s ease-out 0.6s both;
}

@keyframes expandWidth {
  0% { width: 0; }
  100% { width: 60px; }
}

.diploma-header h1 {
  font-size: 2.8rem;
  color: #1b5e20;
  margin: 0 0 0.5rem 0;
  font-weight: 800;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  letter-spacing: -0.02em;
}

.diploma-header h2 {
  font-size: 1.6rem;
  color: #388e3c;
  margin: 0;
  font-weight: 600;
  font-style: italic;
  opacity: 0.9;
}

.diploma-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1.5rem;
  animation: fadeInUp 0.8s ease-out 0.4s both;
}

.diploma-achievement {
  text-align: center;
  margin-bottom: 1rem;
  padding: 1.5rem;
  background: linear-gradient(135deg, rgba(76, 175, 80, 0.1) 0%, rgba(102, 187, 106, 0.05) 100%);
  border-radius: 15px;
  border: 1px solid rgba(76, 175, 80, 0.2);
  position: relative;
  overflow: hidden;
}

.diploma-achievement::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(45deg, transparent 30%, rgba(76, 175, 80, 0.05) 50%, transparent 70%);
  animation: achievementShine 4s ease-in-out infinite;
}

@keyframes achievementShine {
  0%, 100% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
  50% { transform: translateX(100%) translateY(100%) rotate(45deg); }
}

.diploma-achievement h3 {
  font-size: 2rem;
  color: #1b5e20;
  margin: 0;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
  position: relative;
  z-index: 1;
}

.diploma-description {
  text-align: center;
  max-width: 500px;
  margin: 0 auto;
}

.diploma-description p {
  font-size: 1.1rem;
  color: #2c3e50;
  line-height: 1.7;
  margin: 0;
  font-weight: 500;
}

.diploma-details {
  display: flex;
  justify-content: space-between;
  margin-top: 1rem;
  padding: 1.5rem;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(248, 249, 250, 0.8) 100%);
  border-radius: 15px;
  border: 1px solid rgba(76, 175, 80, 0.15);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  animation: fadeInUp 0.8s ease-out 0.6s both;
}

.diploma-detail {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1;
}

.diploma-detail:first-child {
  text-align: left;
}

.diploma-detail:last-child {
  text-align: right;
}

.diploma-label {
  font-size: 0.85rem;
  color: #6c757d;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  opacity: 0.8;
}

.diploma-value {
  font-size: 1.3rem;
  color: #2e7d32;
  font-weight: 800;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.diploma-footer {
  text-align: center;
  margin-top: 1rem;
  position: relative;
  animation: fadeInUp 0.8s ease-out 0.8s both;
}

/* Removed diploma-seal and related styles */

.diploma-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-top: 1rem;
  padding: 1.5rem;
  background: rgba(255, 255, 255, 0.95);
  border-radius: 15px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(10px);
  animation: fadeInUp 0.8s ease-out 0.3s both;
  position: relative;
  z-index: 10;
}

.diploma-buttons button {
  padding: 0.875rem 2rem;
  border-radius: 12px;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: none;
  cursor: pointer;
  min-width: 140px;
  position: relative;
  overflow: hidden;
}

.diploma-buttons button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.diploma-buttons button:hover::before {
  left: 100%;
}

.diploma-buttons .primary-btn {
  background: linear-gradient(135deg, #4caf50 0%, #66bb6a 100%);
  color: white;
  box-shadow: 0 4px 15px rgba(76, 175, 80, 0.3);
}

.diploma-buttons .primary-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(76, 175, 80, 0.4);
}

.diploma-buttons .secondary-btn {
  background: white;
  color: #2e7d32;
  border: 2px solid #4caf50;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.diploma-buttons .secondary-btn:hover {
  background: #4caf50;
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(76, 175, 80, 0.3);
}

@media (max-width: 700px) {
  .diploma-content {
    width: 98vw;
    max-height: 95vh;
  }
  
  .diploma-container {
    min-height: 450px;
  }
  
  .diploma-content-inner {
    padding: 0 1.5rem 1.5rem 1.5rem;
  }
  
  .diploma-header h1 {
    font-size: 2.2rem;
  }
  
  .diploma-header h2 {
    font-size: 1.3rem;
  }
  
  .diploma-achievement h3 {
    font-size: 1.6rem;
  }
  
  .diploma-description p {
    font-size: 1rem;
  }
  
  .diploma-details {
    flex-direction: column;
    gap: 1.5rem;
    text-align: center;
  }
  
  .diploma-detail:first-child,
  .diploma-detail:last-child {
    text-align: center;
  }
  
  .diploma-buttons {
    flex-direction: row;
    gap: 0.75rem;
    padding: 1rem;
    margin-top: 0.5rem;
  }
  
  .diploma-buttons button {
    flex: 1;
    min-width: 120px;
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
  }
  
  /* Removed diploma-seal mobile styles */
}

/* Full Screen Painting Viewer */
.painting-viewer-modal {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  bottom: 0 !important;
  background: transparent;
  z-index: 10000;
}

.painting-viewer-content {
  position: relative;
  width: 100%;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  box-sizing: border-box;
}

.painting-viewer-image {
  max-width: 100%;
  max-height: 100vh;
  object-fit: contain;
  border-radius: 12px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
}

/* Make painting clickable in quiz */
#painting {
  cursor: pointer;
  transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

#painting:hover {
  transform: scale(1.02);
}

#painting:active {
  transform: scale(0.98);
}

/* Mobile styles for painting viewer */
@media (max-width: 700px) {
  .painting-viewer-content {
    padding: 1rem;
  }
  
  .painting-viewer-image {
    max-height: 100vh;
    border-radius: 8px;
  }
}

/* Animation for painting viewer entrance */
@keyframes paintingViewerEntrance {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.painting-viewer-modal.visible .painting-viewer-content {
  animation: paintingViewerEntrance 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}