:root {
  --bg: #faf8f4;
  --fg: #201c16;
  --muted: #6f6a60;
  --border: #ddd6c8;
  --accent: #b5502e;
  --public: #3e7a4a;
  --private: #8a8578;
  --card-bg: #ffffff;
  --radius: 6px;
  font-size: 16px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #17140f;
    --fg: #ece7dc;
    --muted: #9b9587;
    --border: #3a352a;
    --accent: #e08a5e;
    --public: #6fbb7c;
    --private: #7c7768;
    --card-bg: #201c16;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: "Iowan Old Style", "Georgia", "Times New Roman", serif;
  line-height: 1.5;
}

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

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
}

.site-header .brand {
  font-weight: bold;
  text-decoration: none;
  color: var(--fg);
  letter-spacing: 0.02em;
}

.site-header nav {
  display: flex;
  gap: 1rem;
  align-items: center;
}

main {
  max-width: 960px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

h1, h2 { font-weight: normal; }

.tagline, .thread-description { color: var(--muted); }

.tag-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1rem 0;
}

.tag {
  display: inline-block;
  padding: 0.2rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  text-decoration: none;
  color: var(--fg);
  font-size: 0.85rem;
}

.tag.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.thread-list { list-style: none; padding: 0; }

.thread-list li {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
}

.block-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1rem;
  margin: 1rem 0;
}

.block-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
}

.block-card img { max-width: 100%; border-radius: calc(var(--radius) - 2px); }

.block-card__meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.block-type {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.block-card__footer { margin-top: 0.75rem; }

.tags { margin-top: 0.5rem; display: flex; flex-wrap: wrap; gap: 0.3rem; }

.tag-chip {
  font-size: 0.75rem;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.1rem 0.5rem;
}

.visibility-badge {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.1rem 0.5rem;
  border-radius: 999px;
  margin-right: 0.4rem;
}

.visibility-badge--public { background: color-mix(in srgb, var(--public) 20%, transparent); color: var(--public); }
.visibility-badge--private { background: color-mix(in srgb, var(--private) 20%, transparent); color: var(--private); }

.btn-toggle, .btn, button {
  font: inherit;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.3rem 0.8rem;
  cursor: pointer;
  color: var(--fg);
}

.btn { display: inline-block; text-decoration: none; margin-right: 0.5rem; }

.dashboard-actions { margin-bottom: 2rem; }

.stack-form { display: flex; flex-direction: column; gap: 0.9rem; max-width: 520px; }
.stack-form label { display: flex; flex-direction: column; gap: 0.3rem; font-size: 0.9rem; }
.stack-form input, .stack-form textarea, .stack-form select {
  font: inherit;
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card-bg);
  color: var(--fg);
}
.stack-form button { align-self: flex-start; }

.inline-form { display: inline-flex; gap: 0.4rem; align-items: center; margin: 0.5rem 0; }

.comment-list { list-style: none; padding: 0; }
.comment-list li { padding: 0.5rem 0; border-bottom: 1px solid var(--border); }
.comment-list time { color: var(--muted); font-size: 0.8rem; margin-left: 0.4rem; }

.version-list { list-style: none; padding: 0; font-size: 0.9rem; color: var(--muted); }

.block-detail { background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.5rem; }
.block-detail header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; }

.thread-header { display: flex; justify-content: space-between; align-items: baseline; }

.error { color: var(--accent); }
.empty { color: var(--muted); font-style: italic; }

section { margin-top: 2.5rem; }