:root {
  --bg: #f3efe6;
  --card: #fffdf8;
  --ink: #1d1a16;
  --muted: #5f584e;
  --line: #e3dace;
  --accent: #1f4e79;
  --warn-bg: #fff4d6;
  --warn: #8a4b08;
  --bad: #8d1d18;
  --ok: #1d6b3a;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font: 16px/1.45 "Segoe UI", system-ui, sans-serif;
  background: var(--bg);
  color: var(--ink);
}
header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: #1d1a16;
  color: #f3efe6;
}
header a { color: inherit; font-weight: 650; text-decoration: none; }
header form { margin-left: auto; }
main { max-width: 760px; margin: 0 auto; padding: 16px; }
.disk { padding: 8px 16px; background: #e7f0e4; color: var(--ok); }
.disk.warn { background: var(--warn-bg); color: var(--warn); }
.banner, .error {
  background: var(--warn-bg);
  border: 1px solid #e2c57a;
  border-radius: 10px;
  padding: 10px 12px;
}
.error { background: #fde8e6; border-color: #e3b2ae; color: var(--bad); }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px;
  margin: 12px 0;
}
label { display: block; margin: 10px 0 4px; font-weight: 600; }
input, select, textarea, button {
  font: inherit;
}
input[type="text"], input[type="password"], input[type="number"], select, textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
}
textarea { min-height: 96px; }
button, .button {
  display: inline-block;
  background: var(--accent);
  color: white;
  border: 0;
  border-radius: 8px;
  padding: 12px 16px;
  text-decoration: none;
  margin-top: 8px;
}
button.secondary, .button.secondary { background: #5f584e; }
button.quiet { background: transparent; color: var(--bad); padding-left: 0; }
.row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.muted { color: var(--muted); }
canvas#view {
  width: 100%;
  height: 320px;
  background: #d9d3c7;
  border-radius: 12px;
  touch-action: none;
}
.legend { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0; }
.swatch { width: 14px; height: 14px; border-radius: 3px; display: inline-block; margin-right: 4px; vertical-align: -2px; }
pre.log {
  white-space: pre-wrap;
  background: #1d1a16;
  color: #f3efe6;
  padding: 12px;
  border-radius: 8px;
  max-height: 320px;
  overflow: auto;
}
img.preview { max-width: 100%; height: auto; border-radius: 8px; background: white; }
.checks { max-height: 220px; overflow: auto; border: 1px solid var(--line); border-radius: 8px; padding: 8px; }
.checks label { font-weight: 500; }
@media (max-width: 640px) {
  button, .button { width: 100%; text-align: center; }
}