:root {
  color-scheme: light dark;
  --bg: #f6f5f2;
  --fg: #1d1d1f;
  --muted: #6b6b70;
  --card: #ffffff;
  --line: #d9d7d2;
  --accent: #2f6fde;
  --ok: #1f8a4c;
  --err: #c0392b;
  --radius: 12px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121214;
    --fg: #f2f2f4;
    --muted: #9a9aa2;
    --card: #1d1d21;
    --line: #34343a;
    --accent: #6b9cff;
    --ok: #4cc27f;
    --err: #ff6b5c;
    --on-accent: #0b1220;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
}

main {
  max-width: 34rem;
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem;
}

.lang { text-align: right; font-size: 0.85rem; color: var(--muted); }
.lang a { color: var(--muted); }

h1 { font-size: 1.6rem; margin: 0.5rem 0; }
.intro, .small { color: var(--muted); }
.small { font-size: 0.85rem; margin: 0.5rem 0; }

form {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem;
  margin: 1rem 0;
}

fieldset { border: 0; margin: 0; padding: 0; }
form.has-creds fieldset.creds { opacity: 0.75; }

label { display: block; font-weight: 600; margin: 0.75rem 0 0.25rem; }
label.check { font-weight: 400; display: flex; align-items: center; gap: 0.5rem; }

input:not([type="checkbox"]), textarea {
  width: 100%;
  font: inherit;
  color: inherit;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.6rem 0.7rem;
}
textarea { resize: vertical; min-height: 6rem; }
input:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; }

.counter { text-align: right; font-size: 0.8rem; color: var(--muted); }
.counter.warn { color: var(--err); }

button[type="submit"] {
  margin-top: 0.75rem;
  width: 100%;
  font: inherit;
  font-weight: 600;
  color: var(--on-accent, #fff);
  background: var(--accent);
  border: 0;
  border-radius: 8px;
  padding: 0.75rem;
  cursor: pointer;
}
button[disabled] { opacity: 0.6; cursor: wait; }

button.link {
  background: none;
  border: 0;
  padding: 0;
  font: inherit;
  color: var(--muted);
  text-decoration: underline;
  cursor: pointer;
}

.status { min-height: 1.5em; margin: 0.5rem 0 0; }
.status.ok { color: var(--ok); }
.status.error { color: var(--err); }