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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: #f5f5f5;
  color: #111;
  min-height: 100vh;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 20px 16px 40px;
}

.widget {
  width: 100%;
  max-width: 640px;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 4px 32px rgba(0,0,0,0.10);
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.widget-header {
  text-align: center;
}
.widget-header h2 {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}
.widget-header p {
  color: #666;
  font-size: 0.97rem;
}

/* Upload Zone */
.upload-zone {
  border: 2px dashed #ccc;
  border-radius: 10px;
  padding: 32px 16px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
  position: relative;
  min-height: 140px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.upload-zone:hover, .upload-zone.drag-over {
  border-color: #C9A84C;
  background: #fffbf0;
}
.upload-zone.has-image {
  border-color: #C9A84C;
  padding: 16px;
}
.upload-icon { font-size: 2.2rem; }
.upload-text { font-weight: 600; font-size: 1rem; }
.upload-sub { color: #999; font-size: 0.82rem; }

.preview-thumb {
  width: 100%;
  max-height: 220px;
  object-fit: cover;
  border-radius: 6px;
  margin-top: 8px;
}
.preview-label {
  color: #2a7a2a;
  font-weight: 600;
  font-size: 0.9rem;
}
.hidden { display: none !important; }

/* Steps */
.step { display: flex; flex-direction: column; gap: 12px; }
.step-label {
  font-weight: 700;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #111;
}
.step-sub { font-weight: 400; text-transform: none; color: #999; letter-spacing: 0; }

/* Toggle Buttons */
.toggle-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.toggle-btn {
  padding: 10px 18px;
  border-radius: 100px;
  border: 2px solid #ddd;
  background: #fff;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  color: #444;
  transition: all 0.15s;
  white-space: nowrap;
}
.toggle-btn:hover {
  border-color: #C9A84C;
  color: #111;
}
.toggle-btn.selected {
  border-color: #C9A84C;
  background: #111;
  color: #C9A84C;
}

/* Transform Button */
.transform-btn {
  width: 100%;
  padding: 18px;
  background: #111;
  color: #C9A84C;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.1s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  text-transform: uppercase;
}
.transform-btn:hover:not(:disabled) { opacity: 0.88; transform: translateY(-1px); }
.transform-btn:disabled { opacity: 0.45; cursor: not-allowed; }

/* Spinner */
.spinner {
  width: 20px;
  height: 20px;
  border: 3px solid rgba(201,168,76,0.3);
  border-top-color: #C9A84C;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Error */
.error-msg {
  background: #fff0f0;
  border: 1px solid #ffcccc;
  color: #cc0000;
  border-radius: 8px;
  padding: 14px 16px;
  font-size: 0.9rem;
  text-align: center;
}

/* Result */
.result { display: flex; flex-direction: column; gap: 16px; }
.result-header {
  font-size: 1.2rem;
  font-weight: 700;
  text-align: center;
}
.result-images {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.result-col { display: flex; flex-direction: column; gap: 6px; }
.result-label {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #888;
  text-align: center;
}
.result-col img {
  width: 100%;
  border-radius: 8px;
  border: 1px solid #eee;
  object-fit: cover;
  aspect-ratio: 4/3;
}

.cta-btn {
  display: block;
  width: 100%;
  padding: 18px;
  background: #C9A84C;
  color: #111;
  text-align: center;
  font-size: 1rem;
  font-weight: 700;
  text-decoration: none;
  border-radius: 8px;
  letter-spacing: 0.02em;
  transition: opacity 0.2s, transform 0.1s;
}
.cta-btn:hover { opacity: 0.9; transform: translateY(-1px); }

.retry-btn {
  width: 100%;
  padding: 14px;
  background: transparent;
  border: 2px solid #ddd;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  color: #555;
  cursor: pointer;
  transition: border-color 0.2s;
}
.retry-btn:hover { border-color: #aaa; }

/* Mobile stacked results */
@media (max-width: 480px) {
  .widget { padding: 24px 16px; }
  .widget-header h2 { font-size: 1.3rem; }
  .result-images { grid-template-columns: 1fr; }
}