/* Custom styles that complement Tailwind */
html { scroll-behavior: smooth; }

/* Color preview hover */
.color-preview {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
}
.color-preview:hover {
  transform: scale(1.005);
}
.color-preview .overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.35);
  opacity: 0;
  transition: opacity 0.2s;
}
.color-preview:hover .overlay { opacity: 1; }

/* Color card */
.color-card {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  border: 1px solid rgba(255,255,255,0.08);
}
.color-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(0,0,0,0.4);
}
.color-card .label {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 10px 12px;
  background: linear-gradient(transparent, rgba(0,0,0,0.7));
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: capitalize;
}

/* Resolution button active */
.res-btn.active {
  background: #6366f1 !important;
  border-color: #6366f1 !important;
  color: #fff !important;
}

/* Text preview */
.text-preview {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 120px;
  border-radius: 12px;
  font-weight: 700;
  padding: 24px;
}

/* Fullscreen overlay */
#fullscreen-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: none;
  cursor: pointer;
}
#fullscreen-overlay.active { display: block; }

/* Smooth details open */
details { transition: border-color 0.2s; }
details[open] { border-color: #6366f1; }
details summary { list-style: none; cursor: pointer; }
details summary::-webkit-details-marker { display: none; }
details summary::after {
  content: '+';
  font-size: 1.25rem;
  color: #888;
  transition: transform 0.2s;
}
details[open] summary::after {
  transform: rotate(45deg);
}

/* Backdrop blur for header */
.header-blur {
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

/* Image card hover */
.image-card {
  transition: transform 0.2s, border-color 0.2s;
}
.image-card:hover {
  transform: translateY(-2px);
}

/* Custom color picker sync */
input[type="color"] {
  cursor: pointer;
}