body {
  margin: 0;
  background: #0f0f0f;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  color: #f3f4f6;
}

/* HEADER FIXE */
.top-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 50px;
  background: #111;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 0 20px;
  gap: 20px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.7);
  z-index: 1000;
}
.top-header a {
  color: #f3f4f6;
  text-decoration: none;
  font-size: 20px;
  transition: color 0.3s ease;
}
.top-header a:hover {
  color: #60a5fa;
}
.icon {
  width: 22px;
  height: 22px;
  vertical-align: middle;
  fill: currentColor;
}

header {
  margin-top: 50px;
  padding: 20px;
  text-align: center;
  background: #1f1f1f;
  font-size: 24px;
  font-weight: bold;
  letter-spacing: 1.2px;
}

.container {
  max-width: 1200px;
  margin: 30px auto 60px;
  padding: 0 15px;
}

/* FILTRE TAGS + RECHERCHE */
.filters {
  margin-bottom: 25px;
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  align-items: center;
  justify-content: space-between;
}

.search-box {
  flex: 1 1 300px;
}

input[type="search"], input[type="text"] {
  width: 100%;
  padding: 10px 15px;
  font-size: 16px;
  border-radius: 9999px;
  border: none;
  outline: none;
  background: #222;
  color: #eee;
  box-sizing: border-box;
}

/* FILTER TAGS DROPDOWN */
.tags-filter-wrapper {
  position: relative;
  flex: 1 1 400px;
  max-width: 400px;
}
.tags-filter-input {
  cursor: pointer;
}

.tags-dropdown {
  position: absolute;
  top: 45px;
  left: 0;
  right: 0;
  max-height: 200px;
  overflow-y: auto;
  background: #1a1a1a;
  border-radius: 12px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.6);
  padding: 10px 15px;
  z-index: 1500;
  display: none;
}
.tags-dropdown.show {
  display: block;
}
.tags-dropdown label {
  display: flex;
  align-items: center;
  margin-bottom: 8px;
  font-size: 14px;
  cursor: pointer;
}
.tags-dropdown label:last-child {
  margin-bottom: 0;
}
.tags-dropdown input[type="checkbox"] {
  margin-right: 10px;
  cursor: pointer;
}

/* Selected tags pills */
.selected-tags {
  margin-top: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.selected-tag {
  background: #292929;
  color: #60a5fa;
  font-size: 12px;
  padding: 5px 12px;
  border-radius: 9999px;
  display: flex;
  align-items: center;
  user-select: none;
}
.selected-tag button {
  background: none;
  border: none;
  color: #60a5fa;
  cursor: pointer;
  margin-left: 6px;
  font-weight: bold;
  line-height: 1;
  font-size: 14px;
}
.selected-tag button:hover {
  color: #a0cfff;
}


/* Bouton Télécharger modernisé */
.download-btn {
background: linear-gradient(135deg, #4f46e5, #3b82f6);
color: white;
padding: 10px 20px;
border-radius: 12px;
font-weight: 600;
font-size: 16px;
text-decoration: none;
box-shadow: 0 6px 12px rgb(59 130 246 / 0.5);
transition: background 0.3s ease, box-shadow 0.3s ease;
user-select: none;
display: inline-block;
}
.download-btn:hover,
.download-btn:focus-visible {
background: linear-gradient(135deg, #2563eb, #1d4ed8);
box-shadow: 0 8px 20px rgb(29 78 216 / 0.7);
outline: none;
}

/* Info button style */
.info-btn {
background: transparent;
border: 2px solid #3b82f6;
color: #3b82f6;
border-radius: 50%;
width: 28px;
height: 28px;
cursor: pointer;
font-weight: 700;
font-size: 18px;
line-height: 28px;
text-align: center;
padding: 0;
transition: background-color 0.3s, color 0.3s, border-color 0.3s;
flex-shrink: 0;
display: flex;
align-items: center;
justify-content: center;
user-select: none;
}
.info-btn:hover,
.info-btn:focus-visible,
.info-btn[aria-expanded="true"] {
background-color: #3b82f6;
color: #fff;
border-color: #3b82f6;
outline: none;
}

/* Info bubble modernisée */
.info-bubble {
position: absolute;
max-width: 400px;
min-width: 95%;
padding: 10px 10px;
bottom: 55%; 
left: 0%;
background: #1e293b;
border-radius: 12px;
box-shadow: 0 10px 30px rgba(17, 34, 61, 0.4);
color: #e0e7ff;
font-size: 12px;
line-height: 1.5;
opacity: 0;
pointer-events: none;
user-select: text;
transition: opacity 0.3s ease;
z-index: 9999;
box-sizing: border-box;
}

/* Flèche de la bulle */
.info-bubble::before {
content: "";
position: absolute;
top: -8px;
right: 12px;
border-width: 8px 8px 0 8px;
border-style: solid;
border-color: #1e293b transparent transparent transparent;
filter: drop-shadow(0 2px 2px rgba(0,0,0,0.1));
}


.info-btn:hover + .info-bubble,
.info-btn:focus-visible + .info-bubble {
opacity: 1;
pointer-events: auto;
}


/* Container position relative for positioning */
.download-section {
position: relative;
display: flex;
align-items: center;
gap: 12px;
}


/* GRILLE POSTS */
.posts-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}
@media (max-width: 1200px) {
  .posts-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
@media (max-width: 768px) {
  .posts-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 480px) {
  .posts-grid {
    grid-template-columns: 1fr;
  }
}

/* POST CARD */
.post {
  background: #1c1c1e;
  border-radius: 16px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.6);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s;
}
.post:hover {
  transform: translateY(-5px);
}

.post-img {
  position: relative;
  width: 100%;
  padding-top: 60%;
  background: #000;
  overflow: hidden;
}
.post-img img {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  max-width: 90%;
  max-height: 90%;
  object-fit: contain;
}

.post-content {
  padding: 20px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.post-title {
  font-size: 20px;
  font-weight: bold;
  margin: 0 0 10px;
  color: #fff;
}

.post-desc {
  flex-grow: 1;
  font-size: 14px;
  color: #c1c1c1;
  margin-bottom: 15px;
}

/* TAGS DANS POST : scroll horizontal + molette */
.tags {
  margin-bottom: 15px;
  display: flex;
  flex-wrap: nowrap;
  overflow-x: auto;
  gap: 8px;
  padding-bottom: 4px;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
}
.tags::-webkit-scrollbar {
  display: none;
}
.tags {
  scrollbar-width: none;
}
.tag {
  flex-shrink: 0;
  background: #292929;
  color: #60a5fa;
  font-size: 12px;
  padding: 5px 12px;
  border-radius: 9999px;
  user-select: none;
  white-space: nowrap;
}

.download-section {
  display: flex;
  align-items: center;
  gap: 12px; /* espace entre les boutons et taille cohérente */
}

.info-btn {
  background: transparent;
  border: 2px solid #60a5fa;
  color: #60a5fa;
  border-radius: 50%;
  width: 28px;
  height: 28px;
  cursor: pointer;
  font-weight: 700;
  font-size: 16px;
  line-height: 24px;
  text-align: center;
  padding: 0;
  transition: background-color 0.3s, color 0.3s;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.file-size {
  font-size: 12px;
  color: #a1a1a1;
  margin-left: auto;
}

.post-version {
  font-size: 12px;
  color: #ffffff;
  margin-bottom: 10px;
}