:root {
  --bg: #f6f7f5;
  --surface: #ffffff;
  --border: #e3e6e1;
  --text: #1f2a22;
  --muted: #6b7568;
  --accent: #2f9e44;
  --accent-hover: #268a3a;
  --danger: #d9480f;
  --radius: 14px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #11140f;
    --surface: #1a1f17;
    --border: #2a3224;
    --text: #eef1ea;
    --muted: #9aa392;
    --accent: #4fce6a;
    --accent-hover: #6adb82;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, "Segoe UI", Inter, Roboto, sans-serif;
  line-height: 1.5;
}

.page {
  max-width: 720px;
  margin: 0 auto;
  padding: 32px 16px 64px;
}

.hero h1 {
  font-size: 28px;
  margin: 0 0 8px;
}

.hero p {
  color: var(--muted);
  margin: 0 0 28px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 20px;
}

.card h2 {
  font-size: 16px;
  margin: 0 0 14px;
}

label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin: 14px 0 6px;
}

label:first-of-type { margin-top: 0; }

textarea, select, input[type="range"] {
  width: 100%;
  font-family: inherit;
  font-size: 14px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg);
  color: var(--text);
  resize: vertical;
}

select { padding: 10px 12px; }

.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px 16px;
}

@media (max-width: 480px) {
  .grid { grid-template-columns: 1fr; }
}

.field { margin-bottom: 4px; }

.dropzone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  cursor: pointer;
  color: var(--muted);
  transition: border-color .15s, background .15s;
}

.dropzone:hover, .dropzone.dragover {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 8%, transparent);
}

.dropzone p { margin: 0 0 4px; font-size: 14px; }
.muted { font-size: 12px; color: var(--muted); }

.preview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(72px, 1fr));
  gap: 8px;
  margin-top: 12px;
}

.preview-item {
  position: relative;
  aspect-ratio: 1;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--border);
}

.preview-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.preview-item button {
  position: absolute;
  top: 2px;
  right: 2px;
  width: 20px;
  height: 20px;
  border: none;
  border-radius: 50%;
  background: rgba(0,0,0,.6);
  color: #fff;
  font-size: 12px;
  line-height: 1;
  cursor: pointer;
}

.primary-btn, .secondary-btn {
  width: 100%;
  padding: 13px 16px;
  font-size: 15px;
  font-weight: 600;
  border-radius: 10px;
  border: none;
  cursor: pointer;
}

.primary-btn {
  background: var(--accent);
  color: #fff;
}

.primary-btn:hover { background: var(--accent-hover); }
.primary-btn:disabled { opacity: .6; cursor: not-allowed; }

.secondary-btn {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--border);
  margin-top: 10px;
}

.status {
  text-align: center;
  font-size: 13px;
  color: var(--muted);
  min-height: 18px;
}

.status.error { color: var(--danger); }

.results-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.result-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 14px;
}

.result-item span { flex: 1; }

.copy-btn {
  flex-shrink: 0;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  border-radius: 8px;
  padding: 6px 10px;
  font-size: 12px;
  cursor: pointer;
}

.copy-btn.copied {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.footer {
  text-align: center;
  color: var(--muted);
  font-size: 12px;
  margin-top: 32px;
}