/* Styles spécifiques à photo-portfolio */
body{
  background: linear-gradient(135deg, #111, #1c1c1c);
  min-height: 100vh;
}

.container{
  padding: 32px 0 60px;
}

.top{
  margin-bottom: 24px;
}

.brand{
  font-weight: bold;
  font-size: 18px;
}

h1{
  text-align: center;
  margin: 18px 0 28px;
}

/* Mobile-first : une colonne par défaut */
.gallery{
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.gallery-item{
  overflow: hidden;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.12);
  transition: opacity .3s ease, transform .3s ease;
}

.gallery-item.hidden{
  display: none;
}

.gallery img{
  width: 100%;
  height: auto;
  display: block;
  border-radius: 16px;
  transition: transform .2s ease, box-shadow .2s ease;
}

.gallery img:hover{
  transform: scale(1.03);
  box-shadow: 0 0 20px rgba(240,210,122,.35);
}

.filter-input{
  display: none;
}

.filters{
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 32px;
}

.filter-label{
  padding: 10px 20px;
  background: rgba(255,255,255,.1);
  color: #f0d27a;
  border: 2px solid rgba(240,210,122,.3);
  border-radius: 8px;
  cursor: pointer;
  font-weight: bold;
  transition: all .3s ease;
  user-select: none;
}

.filter-label:hover{
  background: rgba(240,210,122,.15);
  border-color: rgba(240,210,122,.5);
}

.filter-label.active{
  background: #f0d27a;
  color: #111;
  border-color: #f0d27a;
}

.note{
  margin-top: 18px;
  text-align: center;
  opacity: .7;
  font-size: 13px;
}

footer{
  margin-top: 40px;
  opacity: .6;
}

/* Responsive - Mobile First */
/* Tablette (768px et plus) */
@media (min-width: 768px){
  .gallery{
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  
  .filters{
    gap: 14px;
  }
  
  .filter-label{
    padding: 12px 24px;
  }
  
  .container{
    padding: 40px 0 60px;
  }
}

/* Desktop (1024px et plus) */
@media (min-width: 1024px){
  .gallery{
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 22px;
  }
  
  .container{
    padding: 48px 0 80px;
  }
}

/* Mobile spécifique (moins de 480px) */
@media (max-width: 480px){
  .gallery{
    gap: 12px;
  }
  
  .filters{
    gap: 8px;
  }
  
  .filter-label{
    padding: 8px 16px;
    font-size: 14px;
  }
  
  h1{
    font-size: 24px;
    margin: 14px 0 20px;
  }
  
  .container{
    padding: 24px 0 40px;
  }
}