/* *,
*::before,
*::after {
  box-sizing: border-box;
} */

.tag-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 2rem 2rem 0;
  max-width: 1300px;
  margin: 0 auto;
}

.tag {
  padding: 0.5rem 1rem;
  background-color: #e0e7ff;
  color: #1f3c88;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.9rem;
  transition: all 0.2s ease;
  user-select: none;
}

.tag:hover {
  background-color: #c7d2fe;
}

.tag.active {
  background-color: #1f3c88;
  color: #ffffff;
}

/* Grid */
.file-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  padding: 2rem;
  max-width: 1300px;
  margin: 0 auto;
}

/* Card */
.file-card {
  position: relative;
  overflow: hidden;
  border-radius: 16px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  height: 300px;
  display: flex;
  align-items: flex-end;
  background-color: #ccc;
}

/* Background Image with blur */
.file-image {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  filter: blur(6px);
  transform: scale(1.1);
  z-index: 1;
}

/* Overlay Content */
.file-overlay {
  position: absolute;
  bottom: -2px;
  width: 100%;
  padding: 1.5rem;
  background: linear-gradient(
    to top,
    rgba(255, 255, 255, 0.95) 0%,
    rgba(255, 255, 255, 0.85) 20%,
    rgba(255, 255, 255, 0.6) 40%,
    rgba(255, 255, 255, 0.3) 70%,
    rgba(255, 255, 255, 0) 100%
  );
  backdrop-filter: blur(2px);
  border-bottom-left-radius: 16px;
  border-bottom-right-radius: 16px;
  box-sizing: border-box;
  z-index: 2;
}

.file-title {
  font-size: 1.1rem;
  color: #1f3c88;
  margin-bottom: 0.75rem;
}

/* Tags inside card */
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.tags span {
  background-color: #e0e7ff;
  color: #1f3c88;
  padding: 0.3rem 0.6rem;
  border-radius: 6px;
  font-size: 0.8rem;
}

/* Download Button */
.btn-download {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background-color: #1f3c88;
  color: white;
  font-weight: 600;
  font-size: 0.9rem;
  border: none;
  border-radius: 8px;
  text-decoration: none;
  transition: background-color 0.2s ease;
}

.btn-download:hover {
  background-color: #162e6e;
}

.upload-btn {
  display: block;
  margin: 2rem auto;
  padding: 0.75rem 2rem;
  background-color: #1f3c88;
  color: white;
  font-weight: bold;
  font-size: 1rem;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.upload-btn:hover {
  background-color: #162e6e;
}

.file-image,
.file-title,
.tags,
.file-overlay {
  transition: all 0.3s ease;
}

.file-title {
  font-size: 1.1rem;
  color: white;
  margin-bottom: 0.75rem;
  text-shadow: 1px 1px 2px black;
  opacity: 1;
}

.file-card:hover .file-image {
  filter: none;
  transform: scale(1);
}

.file-card:hover .file-title,
.file-card:hover .tags {
  opacity: 0;
  pointer-events: none;
}

.file-card:hover .file-overlay {
  backdrop-filter: blur(0px);
  background: linear-gradient(
    to top,
    rgba(255, 255, 255, 0.9) 0%,
    rgba(255, 255, 255, 0.7) 20%,
    rgba(255, 255, 255, 0.4) 40%,
    rgba(255, 255, 255, 0.2) 70%,
    rgba(255, 255, 255, 0) 100%
  );
}

@media (max-width: 1280px) {
  .file-grid {
    grid-template-columns: repeat(3, minmax(220px, 1fr));
  }
}
@media (max-width: 768px) {
  .tag-filter {
    padding: 1rem 1rem 0;
    gap: 0.4rem;
  }

  .tag {
    font-size: 0.8rem;
    padding: 0.4rem 0.8rem;
  }

  .file-grid {
    grid-template-columns: repeat(2, minmax(180px, 1fr));
  }

  .file-card {
    height: 240px;
  }

  .file-overlay {
    padding: 1rem;
  }

  .file-title {
    font-size: 1rem;
  }

  .tags span {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
  }

  .btn-download {
    font-size: 0.85rem;
    padding: 0.4rem 0.8rem;
    gap: 0.3rem;
  }

  .btn-download svg {
    width: 16px;
    height: 16px;
  }

  .upload-btn {
    font-size: 0.9rem;
    padding: 0.6rem 1.5rem;
  }
}

@media (max-width: 480px) {
  .file-grid {
    grid-template-columns: repeat(1, minmax(240px, 1fr));
  }

  .file-card {
    height: 200px;
  }

  .file-title {
    font-size: 0.9rem;
  }

  .btn-download {
    font-size: 0.8rem;
  }

  .upload-btn {
    width: 90%;
    font-size: 1rem;
  }
}