:root {
  --fg: #1f2a24;
  --muted: #5f6f66;
  --accent: #2f7d6a;
  --bg: #f7f8f5;
  --card: #ffffff;
  --line: #dfe5df;
}

@media (prefers-color-scheme: dark) {
  :root {
    --fg: #e4ebe6;
    --muted: #9aaba1;
    --accent: #6cc3ac;
    --bg: #141a17;
    --card: #1c2420;
    --line: #2b3631;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--fg);
  background: var(--bg);
}

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

.wrap { max-width: 64rem; margin: 0 auto; padding: 0 1rem; }

header { padding: 3rem 0 1.5rem; border-bottom: 1px solid var(--line); }
header h1 { margin: 0; font-size: 2.25rem; letter-spacing: 0.02em; }
header p { margin: 0.5rem 0 0; color: var(--muted); }
header a { color: inherit; text-decoration: none; }

main { padding: 2rem 0; }
main h2 { font-size: 1.25rem; margin: 2rem 0 0.75rem; }

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(17rem, 1fr));
  gap: 1rem;
}

figure { margin: 0; background: var(--card); border: 1px solid var(--line); border-radius: 6px; overflow: hidden; }
figure img { display: block; width: 100%; height: 13rem; object-fit: cover; }
figcaption { padding: 0.6rem 0.8rem; font-size: 0.9rem; color: var(--muted); }

.note { background: var(--card); border: 1px solid var(--line); border-radius: 6px; padding: 1rem 1.2rem; }

form { max-width: 22rem; background: var(--card); border: 1px solid var(--line); border-radius: 6px; padding: 1.5rem; }
label { display: block; margin: 0 0 0.3rem; font-size: 0.9rem; }
input { width: 100%; padding: 0.55rem 0.6rem; margin: 0 0 1rem; border: 1px solid var(--line); border-radius: 4px; font: inherit; background: var(--bg); color: var(--fg); }
button { padding: 0.55rem 1.4rem; border: 0; border-radius: 4px; background: var(--accent); color: #fff; font: inherit; cursor: pointer; }

footer { padding: 2rem 0 3rem; border-top: 1px solid var(--line); font-size: 0.8rem; color: var(--muted); }
footer ul { padding-left: 1.1rem; }