:root {
  color-scheme: light dark;
  --bg: #f5f5f5;
  --fg: #1a1a1a;
  --card: #ffffff;
  --accent: #c1121f;
  --border: #d0d0d0;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14161a;
    --fg: #e8e8e8;
    --card: #1e2126;
    --border: #333;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  display: flex;
  justify-content: center;
  padding: 2rem 1rem;
}

main {
  max-width: 560px;
  width: 100%;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
}

h1 { margin-top: 0; font-size: 1.5rem; }
.subtitle { color: #888; margin-bottom: 1rem; }

a { color: var(--accent); }

.field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1.25rem;
  font-weight: 600;
}

input[type="file"], select {
  font: inherit;
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: transparent;
  color: inherit;
}

button {
  width: 100%;
  padding: 0.75rem;
  font: inherit;
  font-weight: 700;
  border: none;
  border-radius: 6px;
  background: var(--accent);
  color: white;
  cursor: pointer;
}

button:disabled { opacity: 0.5; cursor: not-allowed; }

#status { min-height: 1.2em; }
#status.error { color: var(--accent); }

#result { margin-top: 1rem; display: flex; flex-direction: column; gap: 0.75rem; }
#result img { width: 100%; border-radius: 6px; border: 1px solid var(--border); }
#result a {
  text-align: center;
  padding: 0.6rem;
  border: 1px solid var(--accent);
  border-radius: 6px;
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}

.disclaimer { font-size: 0.8rem; color: #888; margin-top: 2rem; margin-bottom: 0; }