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

body {
  font-family: 'Segoe UI', system-ui, sans-serif;
  background: #141420; color: #e6e6f0;
  min-height: 100vh; display: flex; justify-content: center;
  padding: 40px 16px;
}
.wrap { width: 100%; max-width: 640px; }

h1 { font-size: 1.7rem; margin-bottom: 4px; }
.sub { color: #9696aa; font-size: 0.85rem; margin-bottom: 32px; }

label {
  display: block; font-size: 0.75rem; color: #9696aa;
  text-transform: uppercase; letter-spacing: .5px; margin-bottom: 6px;
}
.field { margin-bottom: 22px; }

/* Drop zone */
.drop {
  border: 2px dashed #3a3a50; border-radius: 12px;
  padding: 36px 20px; text-align: center; cursor: pointer;
  background: #1a1a2a; transition: border-color .2s, background .2s;
}
.drop:hover, .drop.over { border-color: #648cff; background: #1e1e32; }
.drop.ok { border-color: #50c878; background: #1a2a1e; }
.drop .icon { font-size: 1.8rem; margin-bottom: 6px; }
.drop .txt { color: #9696aa; font-size: .88rem; }
.drop .name { color: #50c878; font-weight: 600; margin-top: 4px; font-size: .92rem; }
.drop input { display: none; }

.preview { margin-top: 10px; text-align: center; display: none; }
.preview img { max-width: 100%; max-height: 160px; border-radius: 8px; border: 1px solid #2a2a3a; }

/* Folder row */
.folder-row { display: flex; gap: 8px; align-items: center; }
.folder-path {
  flex: 1; background: #1e1e2e; border: 1px solid #2e2e40; border-radius: 8px;
  padding: 9px 12px; font-size: .88rem; color: #7a7a90;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; min-height: 38px;
}
.folder-path.set { color: #e6e6f0; }
.btn-sm {
  background: #2c2c3e; color: #c0c0d0; border: 1px solid #3a3a50;
  border-radius: 8px; padding: 9px 14px; font-size: .83rem;
  cursor: pointer; white-space: nowrap; font-family: inherit;
}
.btn-sm:hover { background: #38384e; border-color: #648cff; }
.folder-note { font-size: .72rem; color: #5a5a6e; margin-top: 4px; }

/* Select */
select {
  appearance: none;
  background: #1e1e2e url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%239696aa' stroke-width='1.5' fill='none'/%3E%3C/svg%3E") no-repeat right 12px center;
  color: #e6e6f0; border: 1px solid #2e2e40; border-radius: 8px;
  padding: 9px 36px 9px 12px; font-size: .92rem; font-family: inherit;
  cursor: pointer; width: 160px;
}
select:focus { outline: none; border-color: #648cff; }

/* Button */
.btn {
  width: 100%; padding: 14px; border: none; border-radius: 10px;
  font-size: 1.05rem; font-weight: 700; font-family: inherit;
  cursor: pointer; background: #648cff; color: #fff;
  transition: background .15s;
}
.btn:hover:not(:disabled) { background: #7ea0ff; }
.btn:disabled { background: #2e2e40; color: #555568; cursor: not-allowed; }

/* Status / progress */
.status { text-align: center; margin-top: 14px; font-size: .85rem; min-height: 22px; }
.status.err { color: #e65050; }
.status.ok { color: #50c878; }
.status.busy { color: #648cff; }

.progress-bar {
  width: 100%; height: 6px; background: #1e1e2e; border-radius: 3px;
  margin-top: 10px; overflow: hidden; display: none;
}
.progress-bar .fill {
  height: 100%; background: #648cff; border-radius: 3px;
  width: 0%; transition: width .3s;
}

.spinner {
  display: inline-block; width: 16px; height: 16px;
  border: 2px solid #648cff; border-top-color: transparent;
  border-radius: 50%; animation: spin .6s linear infinite;
  vertical-align: middle; margin-right: 6px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Results */
.results { margin-top: 28px; display: none; }
.results h2 { font-size: 1rem; margin-bottom: 14px; }
.gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.gallery .card { text-align: center; }
.gallery img {
  width: 100%; aspect-ratio: 1; object-fit: contain; border-radius: 8px;
  background: #1a1a2a; border: 1px solid #2a2a3a; cursor: pointer;
  transition: border-color .2s;
}
.gallery img:hover { border-color: #648cff; }
.gallery .dl {
  display: inline-block; margin-top: 4px; font-size: .72rem;
  color: #648cff; text-decoration: none; cursor: pointer;
}
.gallery .dl:hover { text-decoration: underline; }

.footer {
  display: flex; flex-direction: column; align-items: center;
  gap: 2px; margin-top: 36px; color: #3a3a4a; font-size: .7rem;
}