:root {
  --bg-pink: #FFB6C1;
  --bg-peach: #FFDAB9;
  --bg-yellow: #FFFACD;
  --bg-mint: #98FB98;
  --bg-sky: #87CEEB;
  --bg-lavender: #E6E6FA;
  --text-dark: #2C1810;
  --text-light: #FFFFFF;
  --accent-pink: #FF69B4;
  --accent-red: #FF1493;
  --button-highlight: #FFFFFF;
  --button-shadow: #666666;
  --button-face: #CCCCCC;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'JetBrains Mono', 'Courier New', Courier, Consolas, monospace;
  min-height: 100vh;
  background: linear-gradient(
    180deg,
    #FFB6C1 0%,
    #FFDAB9 14%,
    #FFFACD 28%,
    #98FB98 42%,
    #87CEEB 57%,
    #E6E6FA 71%,
    #FFB6C1 85%,
    #FFDAB9 100%
  );
  background-attachment: fixed;
  color: var(--text-dark);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
}

.site-header {
  background: linear-gradient(180deg, #2C1810 0%, #4a3728 100%);
  padding: 20px;
  text-align: center;
  border-bottom: 4px solid var(--accent-pink);
  box-shadow: 0 4px 0 rgba(0, 0, 0, 0.3);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  max-width: 800px;
  margin: 0 auto;
}

.avatar {
  width: 64px;
  height: 64px;
  image-rendering: pixelated;
  border: 3px solid var(--accent-pink);
  border-radius: 4px;
  background: #fff;
}

.title-container {
  text-align: center;
}

.site-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-light);
  text-shadow: 2px 2px 0 var(--accent-pink), 4px 4px 0 rgba(0, 0, 0, 0.3);
  letter-spacing: 2px;
}

.heart-container {
  margin: 10px 0;
}

.heart-icon {
  width: 40px;
  height: 40px;
  animation: heartbeat 1s ease-in-out infinite;
}

@keyframes heartbeat {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

.subtitle {
  font-size: 1rem;
  color: var(--bg-pink);
  letter-spacing: 1px;
}

main {
  max-width: 900px;
  margin: 0 auto;
  padding: 20px;
  min-height: 50vh;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}

.loading {
  text-align: center;
  padding: 40px;
  font-size: 1.2rem;
  color: var(--text-dark);
}

.loading-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 15px;
}

.loading-dots span {
  width: 12px;
  height: 12px;
  background: var(--accent-pink);
  border-radius: 50%;
  animation: bounce 0.6s ease-in-out infinite;
}

.loading-dots span:nth-child(2) { animation-delay: 0.1s; }
.loading-dots span:nth-child(3) { animation-delay: 0.2s; }

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.error-message {
  background: #ffcccc;
  border: 3px solid var(--accent-red);
  border-radius: 4px;
  padding: 20px;
  margin: 20px 0;
  text-align: center;
  color: #990000;
}

.season-marker {
  background: linear-gradient(180deg, #2C1810 0%, #4a3728 100%);
  color: var(--text-light);
  padding: 15px 25px;
  margin: 30px 0 20px;
  border-radius: 4px;
  font-size: 1.5rem;
  font-weight: 700;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 3px;
  border: 4px solid var(--accent-pink);
  box-shadow: 
    inset 2px 2px 0 rgba(255, 255, 255, 0.2),
    inset -2px -2px 0 rgba(0, 0, 0, 0.2),
    4px 4px 0 rgba(0, 0, 0, 0.3);
  position: relative;
}

.season-marker::before {
  content: '❀';
  margin-right: 10px;
  color: var(--bg-pink);
}

.season-marker::after {
  content: '❀';
  margin-left: 10px;
  color: var(--bg-pink);
}

.photo-card {
  background: rgba(255, 255, 255, 0.6);
  border-radius: 8px;
  margin: 10px 0;
  padding: 10px;
}

.photo-card img {
  width: 100%;
  max-width: 400px;
  height: auto;
  display: block;
  margin: 0 auto;
  image-rendering: auto;
}

.photo-caption {
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-dark);
  padding: 8px 0;
  opacity: 0.9;
}

.photo-date {
  font-weight: 700;
  color: var(--accent-red);
}

.photo-location {
  color: #666;
  font-size: 0.8rem;
}

.photo-count {
  color: var(--accent-pink);
  font-size: 0.8rem;
}

.photo-carousel-card {
  padding: 5px 0;
}

.photo-carousel-wrapper {
  position: relative;
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
}

.photo-carousel {
  display: flex;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  gap: 0;
}

.photo-carousel::-webkit-scrollbar {
  display: none;
}

.photo-carousel-slide {
  flex: 0 0 100%;
  scroll-snap-align: center;
  scroll-snap-stop: always;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 5px 50px;
  box-sizing: border-box;
}

.photo-carousel-img {
  max-width: 100%;
  max-height: 540px;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 4px;
  display: block;
}

.photo-carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.9);
  border: 2px solid rgba(0, 0, 0, 0.2);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'JetBrains Mono', 'Courier New', Courier, Consolas, monospace;
  font-size: 1rem;
  color: var(--text-dark);
  cursor: pointer;
  z-index: 10;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  transition: all 0.2s ease;
}

.photo-carousel-btn:hover {
  background: rgba(255, 255, 255, 1);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  transform: translateY(-50%) scale(1.05);
}

.photo-carousel-btn:active {
  transform: translateY(-50%) scale(0.95);
}

.photo-carousel-btn-prev {
  left: 5px;
}

.photo-carousel-btn-next {
  right: 5px;
}

.photo-carousel-dots {
  display: flex;
  justify-content: center;
  gap: 6px;
  padding: 10px 0;
}

.photo-carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
}

.photo-carousel-dot:hover {
  background: rgba(255, 105, 180, 0.7);
  transform: scale(1.2);
}

.photo-carousel-dot.active {
  background: var(--accent-pink);
  transform: scale(1.3);
}

.unsupported-format {
  text-align: center;
  padding: 40px 20px;
  color: #666;
  font-style: italic;
  background: #f5f5f5;
  border: 2px dashed #999;
  margin: 20px;
  border-radius: 4px;
}

@media (max-width: 768px) {
  .photo-carousel-wrapper {
    max-width: 100%;
  }
  
  .photo-carousel-slide {
    padding: 5px 55px;
  }
  
  .photo-carousel-img {
    max-height: 420px;
  }
  
  .photo-carousel-btn {
    width: 44px;
    height: 44px;
    font-size: 1.1rem;
  }
  
  .photo-carousel-dot {
    width: 10px;
    height: 10px;
  }
}

@media (max-width: 480px) {
  .photo-carousel-slide {
    padding: 5px 55px;
  }
  
  .photo-carousel-img {
    max-height: 250px;
  }
}

.retro-button {
  display: inline-block;
  padding: 10px 20px;
  font-family: 'JetBrains Mono', 'Courier New', Courier, Consolas, monospace;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-dark);
  background: var(--button-face);
  border: none;
  border-radius: 4px;
  cursor: pointer;
  text-decoration: none;
  position: relative;
  box-shadow: 
    inset -2px -2px 0 var(--button-shadow),
    inset 2px 2px 0 var(--button-highlight),
    3px 3px 0 var(--button-shadow);
}

.retro-button:hover {
  background: #dddddd;
}

.retro-button:active {
  box-shadow: 
    inset 2px 2px 0 var(--button-shadow),
    inset -2px -2px 0 var(--button-highlight);
  transform: translate(2px, 2px);
}

.site-footer {
  background: linear-gradient(180deg, #4a3728 0%, #2C1810 100%);
  color: var(--bg-pink);
  text-align: center;
  padding: 20px;
  margin-top: 40px;
  border-top: 4px solid var(--accent-pink);
  font-size: 0.9rem;
}

.empty-season {
  text-align: center;
  padding: 30px;
  color: #666;
  font-style: italic;
  background: rgba(255, 255, 255, 0.5);
  border: 2px dashed #999;
  border-radius: 4px;
  margin: 15px 0;
}

@media (max-width: 768px) {
  .header-content {
    flex-direction: column;
    gap: 15px;
  }
  
  .avatar {
    width: 48px;
    height: 48px;
  }
  
  .site-title {
    font-size: 1.5rem;
  }
  
  .season-marker {
    font-size: 1.2rem;
    padding: 12px 15px;
  }
  
  main {
    padding: 15px;
    -webkit-overflow-scrolling: touch;
  }
  
  .photo-card {
    padding: 10px;
    margin: 12px 0;
  }
}

@media (max-width: 480px) {
  .avatar {
    width: 40px;
    height: 40px;
  }
  
  .site-title {
    font-size: 1.2rem;
  }
  
  .heart-icon {
    width: 30px;
    height: 30px;
  }
  
  .subtitle {
    font-size: 0.85rem;
  }
}

.master-timeline {
  position: fixed;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  z-index: 100;
  opacity: 0.8;
  transition: opacity 0.3s ease;
}

.master-timeline:hover {
  opacity: 1;
}

.master-timeline-track {
  width: 4px;
  height: 200px;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 2px;
  position: relative;
  overflow: hidden;
}

.master-timeline-progress {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  background: linear-gradient(180deg, #FFB6C1, #FFDAB9, #FFFACD, #98FB98, #87CEEB);
  border-radius: 2px;
  transition: height 0.3s ease;
}

.master-timeline-markers {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 200px;
  position: absolute;
  left: 12px;
  top: 0;
}

.master-timeline-marker {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.master-timeline-marker-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  border: 2px solid rgba(255, 255, 255, 0.8);
  transition: all 0.2s ease;
}

.master-timeline-marker.active .master-timeline-marker-dot {
  background: var(--accent-pink);
  border-color: var(--accent-red);
  transform: scale(1.3);
}

.master-timeline-marker:hover .master-timeline-marker-dot {
  background: var(--accent-pink);
  transform: scale(1.2);
}

.master-timeline-marker-label {
  font-size: 0.65rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.9);
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
  white-space: nowrap;
  opacity: 0;
  transform: translateX(-5px);
  transition: all 0.2s ease;
}

.master-timeline-marker:hover .master-timeline-marker-label,
.master-timeline-marker.active .master-timeline-marker-label {
  opacity: 1;
  transform: translateX(0);
}

.master-timeline-marker.has-photos .master-timeline-marker-dot {
  background: var(--accent-pink);
  border-color: var(--accent-red);
}

.master-timeline-marker.has-photos .master-timeline-marker-dot::after {
  content: '';
  position: absolute;
  width: 6px;
  height: 6px;
  background: white;
  border-radius: 50%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.view-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
  padding: 15px 20px;
  background: rgba(255, 255, 255, 0.8);
  border-bottom: 2px solid var(--accent-pink);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.view-label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-dark);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.view-buttons {
  display: flex;
  gap: 5px;
  background: rgba(0, 0, 0, 0.05);
  padding: 4px;
  border-radius: 20px;
}

.view-btn {
  font-family: 'JetBrains Mono', 'Courier New', Courier, Consolas, monospace;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 6px 12px;
  border: none;
  border-radius: 16px;
  background: transparent;
  color: var(--text-dark);
  cursor: pointer;
  transition: all 0.2s ease;
  opacity: 0.6;
}

.view-btn:hover {
  opacity: 0.8;
  background: rgba(255, 105, 180, 0.1);
}

.view-btn.active {
  opacity: 1;
  background: var(--accent-pink);
  color: white;
}

@media (max-width: 768px) {
  .master-timeline {
    display: none;
  }
  
  .mobile-season-nav {
    display: flex;
    justify-content: center;
    gap: 8px;
    padding: 10px 15px;
    background: rgba(255, 255, 255, 0.9);
    border-bottom: 2px solid var(--text-dark);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
  }
}

.mobile-season-btn {
  font-size: 1.2rem;
  background: rgba(255, 255, 255, 0.5);
  border: 2px solid rgba(0, 0, 0, 0.2);
  border-radius: 50%;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  opacity: 0.5;
}

.mobile-season-btn:hover {
  opacity: 0.8;
}

.mobile-season-btn.active {
  opacity: 1;
  background: var(--accent-pink);
  border-color: var(--accent-red);
  transform: scale(1.1);
}

.mobile-season-btn:active {
  transform: scale(0.95);
}

.mobile-season-btn.has-photos {
  opacity: 0.8;
}

.mobile-season-btn.has-photos::after {
  content: '';
  position: absolute;
  width: 8px;
  height: 8px;
  background: var(--accent-red);
  border-radius: 50%;
  top: -2px;
  right: -2px;
}

@media (min-width: 769px) {
  .mobile-season-nav {
    display: none;
  }
}

@media (max-width: 600px) {
  .view-controls {
    flex-direction: column;
    gap: 8px;
    padding: 12px 15px;
  }
  
  .view-label {
    font-size: 0.75rem;
  }
  
  .view-btn {
    font-size: 0.7rem;
    padding: 5px 10px;
  }
}