*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:      #f8f7f4;
  --card:    #ffffff;
  --border:  #e5e3de;
  --text:    #1a1a1a;
  --muted:   #777;
  --accent:  #2d6fc8;
  --code-bg: #f1efe9;
  --radius:  8px;
  --max-w:   860px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 16px;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Header ────────────────────────────────────────── */
.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--card);
}

.site-nav {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 1rem 1.5rem;
}

.site-title {
  font-weight: 700;
  font-size: 1rem;
  color: var(--text);
  letter-spacing: -0.01em;
}
.site-title:hover { text-decoration: none; color: var(--accent); }

/* ── Main ───────────────────────────────────────────── */
.main {
  max-width: var(--max-w);
  margin: 2.5rem auto;
  padding: 0 1.5rem;
}

/* ── Footer ─────────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
  margin-top: 4rem;
}

/* ── Breadcrumb ─────────────────────────────────────── */
.breadcrumb {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 1.5rem;
}
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb span { color: var(--text); }
.breadcrumb a + a::before,
.breadcrumb a + span::before { content: ' / '; }

/* ── Page header ────────────────────────────────────── */
.page-header { margin-bottom: 2rem; }
.page-header h1 {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.2;
}
.page-header__desc { color: var(--muted); margin-top: 0.4rem; }
.page-header__meta { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 0.6rem; }

.section-title {
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  margin-bottom: 1rem;
}

/* ── Space grid ────────────────────────────────────── */
.space-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
}

.space-card {
  display: block;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  color: var(--text);
  transition: border-color 0.15s, box-shadow 0.15s;
}
.space-card:hover {
  border-color: var(--accent);
  box-shadow: 0 2px 8px rgba(0,0,0,0.07);
  text-decoration: none;
}
.space-card__name { font-size: 1.1rem; font-weight: 600; }
.space-card__desc { font-size: 0.875rem; color: var(--muted); margin-top: 0.3rem; }
.space-card__meta { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 0.75rem; }
.space-card .badge { margin-top: 0; }

/* ── Badge ──────────────────────────────────────────── */
.badge {
  display: inline-block;
  font-size: 0.75rem;
  color: var(--muted);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.15rem 0.6rem;
}

.badge--public {
  color: #2f6f3a;
  background: #eaf4ec;
  border-color: #cfe6d3;
}

.badge--private {
  color: #8a3a3a;
  background: #f6e9e9;
  border-color: #e6cfcf;
}

/* ── Page list ──────────────────────────────────────── */
.page-list { display: flex; flex-direction: column; gap: 1rem; }

.page-card {
  display: block;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  color: var(--text);
  transition: border-color 0.15s, box-shadow 0.15s;
}
.page-card:hover {
  border-color: var(--accent);
  box-shadow: 0 2px 8px rgba(0,0,0,0.07);
  text-decoration: none;
}
.page-card__title { font-size: 1.1rem; font-weight: 600; }
.page-card__summary { font-size: 0.9rem; color: var(--muted); margin-top: 0.3rem; }
.page-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 0.5rem;
}
.page-card__badges { display: flex; flex-wrap: wrap; gap: 0.4rem; }

/* ── Page detail ────────────────────────────────────── */
.page-detail {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
}
.page-detail__header { margin-bottom: 1.5rem; }
.page-detail__title { font-size: 1.75rem; font-weight: 700; margin-bottom: 0.4rem; letter-spacing: -0.02em; }
.page-detail__badges {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0.5rem 0;
}
.page-detail__date { font-size: 0.85rem; color: var(--muted); }
.badge-label { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--muted); }
.page-detail__cover {
  display: block;
  width: 100%;
  max-height: 360px;
  object-fit: cover;
  border-radius: calc(var(--radius) - 2px);
  margin-bottom: 1.5rem;
}
.page-detail__summary {
  font-size: 1.1rem;
  color: var(--muted);
  margin-bottom: 1.5rem;
  font-style: italic;
}

/* Markdown body */
.page-detail__body { font-size: 1rem; line-height: 1.7; }
.page-detail__body h1,
.page-detail__body h2,
.page-detail__body h3 { margin: 1.5rem 0 0.75rem; line-height: 1.3; }
.page-detail__body h1 { font-size: 1.5rem; }
.page-detail__body h2 { font-size: 1.3rem; }
.page-detail__body h3 { font-size: 1.1rem; }
.page-detail__body p { margin: 0.75rem 0; }
.page-detail__body ul,
.page-detail__body ol { margin: 0.75rem 0; padding-left: 1.5rem; }
.page-detail__body li { margin: 0.25rem 0; }
.page-detail__body code {
  font-family: ui-monospace, 'Cascadia Code', 'Source Code Pro', Menlo, monospace;
  font-size: 0.85em;
  background: var(--code-bg);
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
}
.page-detail__body pre {
  background: var(--code-bg);
  padding: 1rem;
  border-radius: var(--radius);
  overflow-x: auto;
  margin: 1rem 0;
}
.page-detail__body pre code { background: none; padding: 0; }
.page-detail__body blockquote {
  border-left: 3px solid var(--border);
  padding-left: 1rem;
  color: var(--muted);
  margin: 1rem 0;
}
.page-detail__body img {
  max-width: 100%;
  border-radius: calc(var(--radius) - 2px);
  margin: 1rem 0;
}
.page-detail__body hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 1.5rem 0;
}
.page-detail__body table {
  border-collapse: collapse;
  margin: 1rem 0;
  width: 100%;
}
.page-detail__body th,
.page-detail__body td {
  border: 1px solid var(--border);
  padding: 0.5rem 0.75rem;
  text-align: left;
}

/* ── Misc ───────────────────────────────────────────── */
.agent-hint { font-size: 0.85rem; color: var(--muted); margin-top: 0.5rem; }

/* ── Agent prompt box ───────────────────────────────── */
.agent-box {
  margin-top: 3rem;
  padding: 1.5rem;
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  background: var(--card);
}
.agent-box__title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
}
.agent-box__desc {
  font-size: 0.875rem;
  color: var(--muted);
  margin-bottom: 0.75rem;
}
.agent-box__prompt {
  width: 100%;
  font-family: ui-monospace, 'Cascadia Code', 'Source Code Pro', Menlo, monospace;
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) - 2px);
  padding: 0.75rem 1rem;
  resize: none;
  cursor: text;
}
.agent-box__prompt:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.agent-box__hint {
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: 0.5rem;
  text-align: right;
}
.empty { color: var(--muted); font-style: italic; margin-top: 1rem; }
.error-message { color: var(--muted); margin-top: 0.5rem; font-family: monospace; }