:root {
  --bg: #fbf7f1;
  --fg: #2b2320;
  --muted: #6b5f58;
  --card: #ffffff;
  --border: #e7ddd2;
  --accent: #7d4698;
  --accent-fg: #ffffff;
  --warn-bg: #fff4e5;
  --warn-border: #f0a43a;
  --code-bg: #f3ece4;
  --error: #b8371f;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1b1716;
    --fg: #efe7e1;
    --muted: #b3a69d;
    --card: #252020;
    --border: #3a3230;
    --accent: #b884d1;
    --accent-fg: #1b1716;
    --warn-bg: #33261a;
    --warn-border: #c98425;
    --code-bg: #2f2826;
    --error: #ff8a70;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

main {
  max-width: 44rem;
  margin: 0 auto;
  padding: 2.5rem 1rem 3rem;
}

header { text-align: center; }
header img { width: 112px; height: 112px; }
h1 { margin: .5rem 0 .25rem; font-size: 2rem; line-height: 1.2; letter-spacing: -.01em; }
h1 .site-name { display: block; }
h1 .slogan { display: block; margin-top: .25rem; font-size: 1.15rem; font-weight: 600; color: var(--accent); }
.tagline { margin: 0; color: var(--muted); }

.howto {
  margin: 2rem 0;
  padding: 1.5rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  text-align: center;
}
.howto .big { font-size: 1.35rem; margin: 0 0 1rem; }
.suffix { color: var(--accent); font-weight: 700; }

.example {
  display: inline-block;
  max-width: 100%;
  padding: .5rem .75rem;
  background: var(--code-bg);
  border-radius: 8px;
  font: .9rem/1.4 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  overflow-wrap: anywhere;
}
.arrow { display: block; color: var(--muted); margin: .25rem 0; }

form { display: flex; gap: .5rem; margin-top: 1.25rem; flex-wrap: wrap; }
form input {
  flex: 1 1 16rem;
  min-width: 0;
  padding: .65rem .75rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--fg);
  font: .95rem ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
form button {
  padding: .65rem 1.1rem;
  border: 0;
  border-radius: 8px;
  background: var(--accent);
  color: var(--accent-fg);
  font-weight: 600;
  cursor: pointer;
}
.error { color: var(--error); min-height: 1.4em; margin: .5rem 0 0; font-size: .9rem; }

.about { margin: 0 0 2rem; color: var(--muted); }

.warning {
  padding: 1.25rem 1.5rem;
  background: var(--warn-bg);
  border-left: 4px solid var(--warn-border);
  border-radius: 8px;
}
.warning h2 { margin: 0 0 .5rem; font-size: 1.15rem; }
.warning ul { margin: 0; padding-left: 1.2rem; }
.warning li + li { margin-top: .5rem; }

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

footer {
  margin-top: 2.5rem;
  color: var(--muted);
  font-size: .85rem;
  text-align: center;
}