:root {
  color-scheme: dark;
  --bg: #0d1117;
  --panel: #161b22;
  --text: #e6edf3;
  --muted: #9da7b3;
  --accent: #58a6ff;
  --warn: #f0b429;
  --success: #3fb950;
  --error: #f85149;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  background: var(--bg);
  color: var(--text);
}

.container {
  max-width: 920px;
  margin: 0 auto;
  padding: 24px 16px 40px;
}

h1 { margin: 0 0 8px; }
h2 { margin-top: 0; }

.tag {
  font-size: 0.7em;
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 6px;
  padding: 2px 6px;
}

.lead { color: var(--muted); margin-top: 0; }

.notice {
  border-left: 4px solid var(--warn);
  background: #2a210f;
  padding: 12px;
  border-radius: 6px;
  margin: 16px 0;
}

.panel {
  background: var(--panel);
  border: 1px solid #30363d;
  border-radius: 10px;
  padding: 16px;
  margin: 16px 0;
}

input[type="file"] {
  display: block;
  margin: 8px 0 12px;
}

.actions {
  display: flex;
  gap: 8px;
}

.form {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

button {
  background: #21262d;
  color: var(--text);
  border: 1px solid #3d444d;
  border-radius: 6px;
  padding: 8px 12px;
  cursor: pointer;
}

button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.status {
  margin-top: 12px;
  min-height: 1.4rem;
  color: var(--muted);
}

.status[data-type="success"] {
  color: var(--success);
}

.status[data-type="error"] {
  color: var(--error);
}

.download {
  margin-top: 12px;
  padding: 12px;
  border: 1px solid #30363d;
  border-radius: 8px;
  background: #11161d;
}

.download-link {
  display: inline-block;
  margin-top: 6px;
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.download-link:hover {
  border-color: var(--accent);
}

pre {
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 460px;
  overflow: auto;
  margin: 0;
}