:root {
  --bg: #111827;
  --card-bg: #1f2937;
  --accent: #8b5cf6;
  --neon: #a78bfa;
  --text: #d1d5db;
  --text-light: #f3f4f6;
  --focus-ring: #c4b5fd;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes animated-gradient {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes spin {
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

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

html {
  scrollbar-width: thin;
  scrollbar-color: #4B5563 #1F2937;
}
html::-webkit-scrollbar { width: 8px; }
html::-webkit-scrollbar-track { background: #1F2937; }
html::-webkit-scrollbar-thumb { background-color: #4B5563; border-radius: 4px; }
html::-webkit-scrollbar-thumb:hover { background-color: #6B7280; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 100vh;
}

header.header {
  width: 100%;
  background: linear-gradient(135deg, var(--accent), var(--neon), #6366f1);
  background-size: 200% 200%;
  animation: animated-gradient 10s ease infinite;
  padding: 60px 20px;
  text-align: center;
  clip-path: polygon(0 0, 100% 0, 100% 85%, 0 100%);
}

.header-inner h1 {
  font-size: 2.5rem;
  color: var(--text-light);
  text-shadow: 0 0 15px rgba(255, 255, 255, 0.2);
  margin-bottom: 10px;
}

.header-inner p {
  font-size: 1.1rem;
  color: var(--text-light);
  line-height: 1.6;
  max-width: 650px;
  margin: 0 auto 30px auto;
  padding: 20px 25px;
  
  background: rgba(31, 41, 55, 0.4);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.25);
}


#search-input {
  width: 90%;
  max-width: 400px;
  padding: 12px 16px;
  border-radius: 25px;
  border: none;
  font-size: 1rem;
  outline: none;
  box-shadow: 0 0 15px rgba(0,0,0,0.5);
  background: #1f2937;
  color: var(--text-light);
}
#search-input::placeholder { color: #9ca3af; }

#search-input:focus-visible, #sort-select:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--bg), 0 0 0 5px var(--focus-ring);
}

.header-stats {
  margin-top: 25px;
  margin-bottom: 30px;
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  width: 100%;
}

.stat-item {
  text-align: center;
  position: relative;
  padding: 0 15px;
}

.stat-item:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 50%;
  right: -10px;
  transform: translateY(-50%);
  width: 1px;
  height: 30px;
  background-color: rgba(243, 244, 246, 0.25);
  opacity: 0.7;
}

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-light);
  line-height: 1.1;
  display: block;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.sorting-controls {
  margin: 30px 0;
  display: flex;
  align-items: center;
  gap: 12px;
}
.sorting-controls label { font-weight: 600; }

#sort-select {
  padding: 10px;
  border-radius: 8px;
  border: 1px solid var(--text);
  background: var(--card-bg);
  color: var(--text-light);
}

.addon-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 25px;
  width: 90%;
  max-width: 1400px;
  margin-bottom: 50px;
  position: relative;
  min-height: 200px;
}

.addon-card {
  background: var(--card-bg);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0,0,0,0.3);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
  display: flex;
  flex-direction: column;
  animation: fadeIn 0.5s ease-out forwards;
  opacity: 0;
}

.addon-card:hover {
  transform: translateY(-10px) scale(1.02);
  box-shadow: 0 20px 30px rgba(0,0,0,0.5);
}

.addon-card img { width: 100%; height: 140px; object-fit: cover; }
.addon-card-content { padding: 20px; flex: 1; display: flex; flex-direction: column; }

.addon-card-content h3 {
  font-size: 1.4rem;
  color: var(--text-light);
  margin-bottom: 8px;
  flex-grow: 1; 
}

.addon-info {
  display: flex;
  justify-content: space-between;
  gap: 15px;
  font-size: 0.9rem;
  color: var(--text);
  margin: 12px 0;
}

.addon-stat {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(0,0,0,0.2);
  padding: 5px 10px;
  border-radius: 8px;
}
.stat-icon { width: 16px; height: 16px; color: var(--text); }

.addon-version-selector {
  margin: 15px 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  row-gap: 8px;
}

.version-label { font-size: 0.8rem; font-weight: 600; color: var(--text); }

.version-select {
  width: 100%;
  order: 99;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid var(--text);
  background: #2a3547;
  color: var(--text-light);
  font-family: inherit;
  font-size: 0.9rem;
  cursor: pointer;
  transition: box-shadow 0.2s ease;
}
.version-select:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px var(--bg), 0 0 0 4px var(--focus-ring);
}

.version-release-date {
  font-size: 0.8rem;
  color: var(--text);
  opacity: 0.75;
}

.addon-card-buttons {
  display: flex;
  gap: 10px;
  margin-top: auto;
}
.btn {
  flex: 1; padding: 12px 0; border-radius: 12px;
  text-align: center; font-weight: 600; cursor: pointer;
  text-decoration: none; position: relative; overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 4px 10px rgba(0,0,0,0.4); }
.btn:active { transform: translateY(0); }
.btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--bg), 0 0 0 5px var(--focus-ring);
}
.btn-download { background: var(--accent); color: var(--text-light); }
.btn-gmodstore { background: var(--card-bg); border: 1px solid var(--text); color: var(--text-light); }

.loader {
  position: absolute; top: 50%; left: 50%;
  width: 50px; height: 50px; border: 5px solid var(--card-bg);
  border-top-color: var(--accent); border-radius: 50%;
  animation: spin 1s linear infinite;
  transform: translate(-50%, -50%);
}

.no-results {
  grid-column: 1 / -1; text-align: center; padding: 60px 20px;
  background: var(--card-bg); border-radius: 16px;
}
.no-results p { font-size: 1.5rem; color: var(--text-light); font-weight: 600; margin-bottom: 10px; }
.no-results span { font-size: 1rem; color: var(--text); }

.footer { margin: 40px 0; color: var(--text); text-align: center; padding: 0 20px;}

.back-to-top {
  position: fixed; bottom: 20px; right: 20px;
  background-color: var(--accent); color: var(--text-light); border: none;
  border-radius: 50%; width: 50px; height: 50px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; opacity: 0; visibility: hidden;
  transform: translateY(20px);
  transition: opacity 0.3s, visibility 0.3s, transform 0.3s, box-shadow 0.2s;
  box-shadow: 0 5px 15px rgba(0,0,0,0.3);
  z-index: 100;
}
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background-color: var(--neon); box-shadow: 0 8px 20px rgba(0,0,0,0.5); }
.back-to-top:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--bg), 0 0 0 5px var(--focus-ring);
}

@media (min-width: 640px) {
  .addon-container {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
  }
  .header-inner h1 {
    font-size: 3rem;
  }
  .header-inner p {
    font-size: 1.2rem;
  }
   .header-stats {
    gap: 40px;
  }
  .stat-item:not(:last-child)::after {
    right: -20px;
    height: 40px;
  }
  .stat-value {
    font-size: 2.25rem;
  }
  .stat-label {
    font-size: 0.875rem;
    letter-spacing: 1.5px;
  }
}

@media (min-width: 1024px) {
  header.header {
     padding-left: 40px;
     padding-right: 40px;
  }
  .addon-container {
    width: 90%;
  }
}

@media (min-width: 1400px) {
  .addon-container {
    width: 100%;
  }
}

@media (hover: hover) and (pointer: fine) {
  .addon-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 30px rgba(0,0,0,0.5);
  }
  .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0,0,0,0.4);
  }
   .back-to-top:hover {
    background-color: var(--neon);
    box-shadow: 0 8px 20px rgba(0,0,0,0.5);
  }
}

.lang-link {
  position: absolute;
  top: 20px;
  right: 25px;
  color: var(--text-light);
  font-weight: 600;
  text-decoration: none;
  background: rgba(0,0,0,0.2);
  padding: 8px 15px;
  border-radius: 20px;
  transition: background 0.2s;
}

.lang-link:hover {
  background: rgba(0,0,0,0.4);
}