:root {
  --accent: #315c4f;
  --accent-text: #ffffff;
  --bg: #f4f6f5;
  --card: #ffffff;
  --text: #1c2421;
  --muted: #5d6a65;
  --line: #d5dcd9;
  --error: #a32121;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --accent: #7fb5a2;
    --accent-text: #0f1a16;
    --bg: #121715;
    --card: #1b221f;
    --text: #e6ece9;
    --muted: #9aa8a2;
    --line: #2f3b36;
    --error: #ff8b8b;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
.bar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 20px; background: var(--card); border-bottom: 1px solid var(--line);
}
.bar form { margin: 0; }
main { max-width: 960px; margin: 0 auto; padding: 20px 16px 48px; display: grid; gap: 20px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 20px; }
.card.narrow { max-width: 380px; margin: 12vh auto 0; }
h1, h2, h3 { margin: 0 0 12px; line-height: 1.25; }
h3 { font-size: 1rem; margin-top: 20px; display: flex; gap: 10px; align-items: center; }
.lead { color: var(--muted); margin-top: -6px; }
label { display: block; margin: 14px 0 4px; font-weight: 600; font-size: .9rem; }
input[type=text], input[type=password], textarea {
  width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px;
  background: var(--bg); color: var(--text); font: inherit;
}
textarea { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .85rem; line-height: 1.4; resize: vertical; }
textarea.prose { font: inherit; line-height: 1.4; }
fieldset.mode { border: 1px solid var(--line); border-radius: 8px; margin: 16px 0 0; padding: 8px 12px 10px; }
fieldset.mode legend { font-weight: 600; font-size: .9rem; padding: 0 6px; }
label.choice, label.check { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; font-size: 1rem; margin: 8px 0; cursor: pointer; }
label.choice input, label.check input { margin-top: .35em; }
.options { margin-top: 10px; padding: 4px 14px 10px; border-left: 3px solid var(--accent); }
.options .grid { display: grid; grid-template-columns: minmax(180px, auto) 1fr; gap: 6px 12px; align-items: center; margin-top: 6px; }
.options .grid label { margin: 0; }
.options input[type=number], .options select {
  width: 100%; max-width: 280px; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px;
  background: var(--bg); color: var(--text); font: inherit;
}
.subrow { grid-column: 1 / -1; display: grid; grid-template-columns: minmax(180px, auto) 1fr; gap: 6px 12px; align-items: center; }
.warn { color: var(--error); font-size: .9rem; }
details { margin: 12px 0; }
details pre { margin: 8px 0 0; padding: 10px 12px; background: var(--bg); border: 1px solid var(--line); border-radius: 8px; white-space: pre-wrap; }
.hint-help { margin: 4px 0 0; font-size: .8rem; opacity: .75; }
button, a.button {
  display: inline-block; padding: 10px 16px; border-radius: 8px; border: 1px solid var(--line);
  background: var(--card); color: var(--text); font: inherit; cursor: pointer; text-decoration: none;
}
button.primary { background: var(--accent); color: var(--accent-text); border-color: var(--accent); font-weight: 600; margin-top: 16px; }
button:disabled { opacity: .5; cursor: not-allowed; }
button.link { border: 0; background: none; color: var(--muted); padding: 4px 8px; }
button.copy { padding: 3px 10px; font-size: .8rem; }
button:focus-visible, a.button:focus-visible, .drop:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 3px solid var(--accent); outline-offset: 2px;
}
.row { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }
.row button { margin-top: 16px; }
#status { margin-top: 16px; color: var(--muted); }
.drop {
  border: 2px dashed var(--line); border-radius: 10px; padding: 18px; text-align: center;
  color: var(--muted); cursor: pointer;
}
.drop.over { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 8%, transparent); }
.drop img { max-width: 100%; max-height: 260px; margin-top: 10px; border-radius: 6px; }
.compare { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; }
figure { margin: 0; }
figcaption { font-size: .85rem; color: var(--muted); margin-bottom: 6px; }
figure img { width: 100%; height: auto; background: #fff; border: 1px solid var(--line); border-radius: 8px; }
.notes { background: color-mix(in srgb, var(--accent) 10%, transparent); padding: 10px 14px; border-radius: 8px; }
.downloads { display: flex; flex-wrap: wrap; gap: 10px; margin: 16px 0 4px; }
.meta { color: var(--muted); font-size: .85rem; }
.error { color: var(--error); white-space: pre-wrap; font-size: .9rem; }
[hidden] { display: none !important; }