html[data-theme="snow"] {
  --bg-color: #d6d9e6;
  --bg-secondary: #f4f6fb;
  --text-primary: #2c2c31;
  --text-secondary: #585863;
  --accent: #2e7d32;
  --accent-hover: #388e3c;
  --modal-surface: #e9ecf5;
  --modal-footer: #f4f6fb;
  --scroll-track: #dadeea;
  --scroll-thumb: #585863;
  --surface-glass: rgba(255, 255, 255, 0.85);
  --surface-glass-hover: rgba(255, 255, 255, 0.95);
  --surface-custom-bg: rgba(255, 255, 255, 0.9);
  --border-glass: rgba(0, 0, 0, 0.1);
  --blob-opacity: 0.1;
}

html[data-theme="stone"] {
  --bg-color: #3c3c4a;
  --bg-secondary: #2d2d38;
  --text-primary: #f0f0f5;
  --text-secondary: #b8b8c5;
  --accent: #4caf50;
  --accent-hover: #66bb6a;
  --modal-surface: #4a4a5a;
  --modal-footer: #2d2d38;
  --scroll-track: #3a3a45;
  --scroll-thumb: #b8b8c5;
  --surface-glass: rgba(45, 45, 56, 0.7);
  --surface-glass-hover: rgba(65, 65, 78, 0.85);
  --surface-custom-bg: rgba(0, 0, 0, 0.8);
  --border-glass: rgba(255, 255, 255, 0.1);
  --blob-opacity: 0.2;
}

html[data-theme="wither"], :root {
  --bg-color: #111111;
  --bg-secondary: #222222;
  --text-primary: #ffffff;
  --text-secondary: #eeeeee;
  --accent: #388e3c;
  --accent-hover: #4caf50;
  --modal-surface: #2a2a2a;
  --modal-footer: #222222;
  --scroll-track: #333333;
  --scroll-thumb: #eeeeee;
  --surface-glass: rgba(15, 15, 15, 0.8);
  --surface-glass-hover: rgba(35, 35, 35, 0.9);
  --surface-custom-bg: rgba(0, 0, 0, 0.9);
  --border-glass: rgba(255, 255, 255, 0.1);
  --blob-opacity: 0.15;
}

:root {
  --bg-decor-1: rgba(0, 175, 92, var(--blob-opacity));
  --bg-decor-2: rgba(30, 80, 255, var(--blob-opacity));
  --surface-glass-hover: rgba(255, 255, 255, 0.08);
  --danger: #ef4444;
  --danger-hover: #f87171;
  --success: #10b981;
  --font-main: 'Inter', system-ui, -apple-system, sans-serif;
  --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

body {
  background-color: var(--bg-color);
  color: var(--text-primary);
  font-family: var(--font-main);
  height: 100vh;
  margin: 0;
  overflow: hidden;
  position: relative;
  line-height: 1.5;
}

/* Background definitions */
.background-decor-blobs {
  display: none;
}

body.has-custom-bg {
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  background-repeat: no-repeat;
}

body.has-custom-bg .background-decor-blobs {
  display: none;
}

body.pixelated-bg {
  image-rendering: pixelated;
}

body.tiled {
  background-size: 128px;
  background-repeat: repeat;
  background-position: top left;
}

body.has-custom-bg .glass-panel {
  background: var(--surface-custom-bg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

body.has-custom-bg .logo,
body.has-custom-bg .version-label {
  color: #ffffff;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}



.app-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1.5rem 2rem;
  display: flex;
  flex-direction: column;
  height: 100vh;
  gap: 1.5rem;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border-glass);
  flex-wrap: wrap;
  gap: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
}

.logo svg {
  color: var(--accent);
}

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

.version-label {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.select-wrapper {
  position: relative;
  background: var(--surface-glass);
  border: 1px solid var(--border-glass);
  border-radius: 8px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: var(--transition);
}

.select-wrapper:hover {
  background: var(--surface-glass-hover);
  border-color: var(--accent);
}

select {
  appearance: none;
  background: transparent;
  color: var(--text-primary);
  padding: 0.75rem 2.5rem 0.75rem 1rem;
  border: none;
  font-family: var(--font-main);
  font-size: 0.95rem;
  font-weight: 500;
  outline: none;
  cursor: pointer;
  min-width: 150px;
}

select option {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.select-wrapper::after {
  content: '';
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 5px solid var(--text-primary);
  pointer-events: none;
}

.content-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  flex: 1;
  min-height: 0;
}

@media (max-width: 768px) {
  .content-grid {
    grid-template-columns: 1fr;
  }
}

.glass-panel {
  background: var(--surface-glass);
  border: 1px solid var(--border-glass);
  border-radius: 16px;
  padding: 1.25rem;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  display: flex;
  flex-direction: column;
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.2);
}

.content-grid > .glass-panel {
  height: 100%;
  min-height: 0;
}

.glass-panel h2 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

/* Search Section */
.search-box {
  position: relative;
  display: flex;
  align-items: center;
}

.search-box svg {
  position: absolute;
  left: 1rem;
  color: var(--text-secondary);
  pointer-events: none;
}

.search-box input {
  width: 100%;
  background: var(--surface-glass);
  border: 1px solid var(--border-glass);
  border-radius: 8px;
  padding: 0.875rem 1rem 0.875rem 3rem;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 1rem;
  transition: var(--transition);
  outline: none;
}

.search-box input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(0, 175, 92, 0.2);
}

.results-container, .tracked-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  overflow-y: auto;
  flex: 1;
  min-height: 0;
  padding-right: 0.5rem;
}

/* Scrollbar customization */
.results-container::-webkit-scrollbar, .tracked-list::-webkit-scrollbar {
  width: 6px;
}
.results-container::-webkit-scrollbar-track, .tracked-list::-webkit-scrollbar-track {
  background: transparent;
}
.results-container::-webkit-scrollbar-thumb, .tracked-list::-webkit-scrollbar-thumb {
  background: var(--border-glass);
  border-radius: 10px;
}

/* Cards */
.mod-card, .tracked-card {
  display: flex;
  align-items: center;
  padding: 0.75rem;
  background: var(--surface-glass);
  border: 1px solid var(--border-glass);
  border-radius: 10px;
  transition: var(--transition);
  gap: 1rem;
  animation: slideIn 0.3s ease forwards;
}

@keyframes slideIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.mod-card:hover, .tracked-card:hover {
  background: var(--surface-glass-hover);
  transform: translateY(-2px);
  border-color: var(--accent);
}

.mod-icon {
  width: 48px;
  height: 48px;
  border-radius: 8px;
  object-fit: cover;
  background: #1e1e1e;
  flex-shrink: 0;
}

.mod-info {
  flex: 1;
  min-width: 0; 
}

.mod-info h3 {
  font-size: 1rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 0.25rem;
}

.mod-author, .mod-versions, .mod-date {
  font-size: 0.8rem;
  color: var(--text-secondary);
  white-space: nowrap;
}

.mod-meta-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.mod-date {
  font-size: 0.75rem;
  font-style: italic;
  opacity: 0.8;
}

.mod-date::before {
  content: '•';
  margin-right: 12px;
  opacity: 0.5;
  font-style: normal;
}

.mod-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.25rem;
}

button {
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  color: var(--text-secondary);
}

button:hover {
  background: var(--surface-glass-hover);
}

.add-button:hover {
  color: var(--accent);
  background: rgba(0, 175, 92, 0.1);
}

.remove-button:hover {
  color: var(--danger);
  background: rgba(239, 68, 68, 0.1);
}

.tracked-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.header-left {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.optimal-badge {
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.3rem 0.75rem;
  border-radius: 20px;
  background: var(--surface-glass);
  color: var(--text-primary);
  border: 1px solid var(--border-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  display: inline-block;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.optimal-badge.visible {
  opacity: 1;
}

.version-link {
  font-weight: 700;
  color: var(--accent);
  text-decoration: underline;
  cursor: pointer;
  transition: var(--transition);
}

.version-link:hover {
  color: var(--accent-hover);
}

.status-summary {
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.3rem 0.75rem;
  border-radius: 20px;
  background: var(--surface-glass);
  color: var(--text-primary);
  border: 1px solid var(--border-glass);
}

.status-summary.all-ready {
  background: rgba(16, 185, 129, 0.15);
  color: var(--success);
  box-shadow: 0 0 10px rgba(16, 185, 129, 0.2);
}

.status-badge {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
}

.badge-ready {
  background: rgba(16, 185, 129, 0.15);
  color: var(--success);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-waiting {
  background: rgba(239, 68, 68, 0.15);
  color: var(--danger);
  border: 1px solid rgba(239, 68, 68, 0.3);
}

/* Loading state */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255,255,255,0.1);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

/* Empty state/Loading containers */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem 1rem;
  color: var(--text-secondary);
  text-align: center;
  flex: 1;
}

.empty-state .loading {
  margin: 1rem auto;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

footer.glass-panel {
  margin-top: 0;
  padding: 0;
  overflow: hidden;
  flex-shrink: 0;
}

.footer-inner {
  display: flex;
  flex-direction: row !important;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
}

.theme-controls form {
  display: flex;
  gap: 12px;
}

.theme-option input {
  display: none;
}

.theme-option label {
  display: block;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
}

.theme-option input:checked + label {
  border-color: var(--text-primary);
  transform: scale(1.1);
}

#snow-theme + label { background: #d6d9e6; }
#stone-theme + label { background: #3c3c4a; }
#wither-theme + label { background: #111111; }

.footer-btn {
  background: var(--surface-glass);
  border: 1px solid var(--border-glass);
  padding: 0.5rem 1rem;
  border-radius: 8px;
  color: var(--text-primary);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  transition: var(--transition);
}

.footer-btn:hover {
  background: var(--surface-glass-hover);
  border-color: var(--accent);
}

/* Modal (Premium Enchantment Gallery Style) */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  align-items: center;
  justify-content: center;
}

.modal.active {
  display: flex;
}

.modal-content {
  background-color: var(--modal-surface);
  color: var(--text-primary);
  border: 1px solid var(--border-glass);
  border-radius: 12px;
  width: 90%;
  max-width: 950px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.6);
  display: flex;
  flex-direction: column;
  max-height: 85vh;
  overflow: hidden;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 25px;
}

.close-btn {
  font-size: 24px;
  font-weight: bold;
  cursor: pointer;
  color: var(--text-secondary);
  line-height: 1;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 12px;
  padding: 20px 25px;
  overflow-y: auto;
  flex-grow: 1;
  max-height: 70vh;
}

.gallery-grid::-webkit-scrollbar {
  width: 10px;
}

.gallery-grid::-webkit-scrollbar-track {
  background: var(--scroll-track);
  border-radius: 4px;
}

.gallery-grid::-webkit-scrollbar-thumb {
  background: var(--scroll-thumb);
  border-radius: 4px;
}

@media (max-width: 600px) {
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.gallery-none-card {
  grid-column: span 1;
  display: flex !important;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-secondary) !important;
  color: var(--text-primary) !important;
  border: 1px solid var(--border-glass);
  border-radius: 6px;
  font-weight: bold;
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  z-index: 10;
  cursor: pointer;
  transition: transform 0.2s, border-color 0.2s;
}

@media (min-width: 601px) {
  .gallery-none-card {
    grid-column: span 2;
  }
}

.gallery-none-card::before {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  background: repeating-linear-gradient(45deg,
      rgba(255, 255, 255, 0.05),
      rgba(255, 255, 255, 0.05) 10px,
      transparent 10px,
      transparent 20px);
}

.gallery-none-card:hover {
  border-color: var(--accent);
  transform: scale(1.02);
}

.gallery-none-card.active {
  border-color: var(--accent);
  box-shadow: 0 0 10px rgba(56, 142, 60, 0.4);
}

.gallery-img {
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 6px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.2s, border-color 0.2s;
  overflow: hidden;
  object-fit: cover;
}

.gallery-img.square {
  aspect-ratio: 1 / 1;
}

.gallery-img.pixelated {
  image-rendering: pixelated;
}

.gallery-img:not(.square) {
  grid-column: span 1;
}

@media (min-width: 601px) {
  .gallery-img:not(.square) {
    grid-column: span 2;
  }
}

.gallery-img:hover {
  transform: scale(1.02);
  border-color: var(--accent);
}

.gallery-img.active {
  border-color: var(--accent);
  box-shadow: 0 0 10px rgba(56, 142, 60, 0.4);
}

.gallery-section-title {
  grid-column: 1 / -1;
  display: none;
}

.gallery-footer {
  padding: 15px 25px;
  border-top: 1px solid var(--border-glass);
  background-color: var(--modal-footer);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.upload-btn {
  background-color: var(--scroll-track);
  color: var(--text-secondary);
  border: 1px solid var(--scroll-track);
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.upload-btn:hover {
  background-color: #2a2a2a;
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.gallery-filter-group {
  display: flex;
  background-color: rgba(0, 0, 0, 0.2);
  padding: 3px;
  border-radius: 6px;
  gap: 2px;
  border: 1px solid var(--border-glass);
}

.filter-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  padding: 4px;
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  opacity: 0.6;
}

.filter-btn:hover {
  background-color: rgba(255, 255, 255, 0.1);
  opacity: 1;
}

.filter-btn.active {
  color: var(--accent);
  opacity: 1;
  background-color: rgba(255, 255, 255, 0.05);
}

.gallery-toggle-btn {
  background-color: var(--scroll-track);
  color: var(--text-secondary);
  border: 1px solid var(--scroll-track);
  padding: 8px;
  width: 36px;
  height: 36px;
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.gallery-toggle-btn:hover {
  background-color: #2a2a2a;
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.gallery-toggle-btn.active {
  background-color: var(--accent);
  color: white;
  border-color: var(--accent);
  box-shadow: 0 0 15px rgba(56, 142, 60, 0.4);
  transform: scale(1.05);
}

#gallery-custom-tooltip {
  position: fixed;
  z-index: 10001;
  padding: 4px 10px;
  background: rgba(0, 0, 0, 0.94);
  color: #fff;
  border-radius: 4px;
  font-size: 13px;
  pointer-events: none;
  display: none;
  white-space: nowrap;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.5);
}