:root[data-theme="dark"] {
  --bg: #000;
  --fg: #fff;
  --dim: #666;
  --muted: #888;
  --border: #333;
  --border-strong: #555;
  --card: #111;
  --card-hover: #1a1a1a;
  --code-bg: #0a0a0a;
  --code-inline: #1a1a1a;
  --link: #6af;
  --primary-bg: #fff;
  --primary-fg: #000;
  --danger: #c00;
  --pin: #f5b400;
  --mark-bg: #4d3b00;
  --mark-fg: #fff3bf;
  --tag-active-bg: #fff;
  --tag-active-fg: #000;
}

:root[data-theme="light"] {
  --bg: #fff;
  --fg: #111;
  --dim: #888;
  --muted: #666;
  --border: #ddd;
  --border-strong: #999;
  --card: #f7f7f7;
  --card-hover: #eee;
  --code-bg: #f3f3f3;
  --code-inline: #ececec;
  --link: #06c;
  --primary-bg: #111;
  --primary-fg: #fff;
  --danger: #c00;
  --pin: #d09000;
  --mark-bg: #fff1a6;
  --mark-fg: #111;
  --tag-active-bg: #111;
  --tag-active-fg: #fff;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--fg);
  min-height: 100vh;
}

header {
  border-bottom: 1px solid var(--border);
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

header a { color: var(--fg); text-decoration: none; font-weight: 600; }
header nav { display: flex; gap: 0.4rem; align-items: center; font-size: 0.875rem; flex-wrap: wrap; }
header nav a { font-size: 0.875rem; color: var(--muted); font-weight: 400; }
header nav a:hover { color: var(--fg); }

.dim { color: var(--dim); }

main { max-width: 1100px; margin: 0 auto; padding: 2rem; }

/* Single column by default; a page opts into the sidebar with .has-sidebar,
   so pages without one do not leave a 240px gutter. */
.layout { display: grid; gap: 2.5rem; }
.layout.has-sidebar { grid-template-columns: 1fr 240px; }
@media (max-width: 800px) {
  .layout.has-sidebar { grid-template-columns: 1fr; }
  main { padding: 1rem; }
  header { padding: 1rem; }
  .search input[type="date"], .search .sort { flex: 1 1 9rem; width: 100%; }
  .saved-search-inline-form input { flex: 1 1 12rem; max-width: none; }
}

.sidebar h3 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 0.75rem;
}
.sidebar ul.recent { list-style: none; display: grid; gap: 0.4rem; }
.sidebar ul.recent a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.875rem;
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.sidebar ul.recent a:hover { color: var(--fg); }
.sidebar ul.recent a[aria-current="page"] { color: var(--fg); font-weight: 600; }

h1 { font-size: 1.5rem; font-weight: 600; }
h2.section { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); margin: 1.5rem 0 0.75rem; }

.btn {
  display: inline-block;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--fg);
  font-family: inherit;
}
.btn:hover { background: var(--card-hover); border-color: var(--border-strong); }
.btn-primary { background: var(--primary-bg); color: var(--primary-fg); border-color: var(--primary-bg); }
.btn-primary:hover { opacity: 0.9; }
.btn-danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn-danger:hover { opacity: 0.9; }

.btn kbd {
  margin-left: 0.4rem;
  font-size: 0.7rem;
  padding: 0.05rem 0.3rem;
  border: 1px solid var(--border-strong);
  border-radius: 3px;
  background: rgba(0,0,0,0.2);
  font-family: ui-monospace, Menlo, monospace;
}

.link {
  background: none;
  border: none;
  color: var(--muted);
  font: inherit;
  cursor: pointer;
  padding: 0;
}
.link:hover { color: var(--fg); }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.25rem;
}

.note-grid { display: grid; gap: 1rem; }

.note-card-wrap { display: flex; gap: 0.5rem; align-items: stretch; }
.note-select { margin-top: 1.25rem; flex-shrink: 0; }
.note-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.25rem;
  text-decoration: none;
  color: inherit;
  display: block;
  transition: border-color 0.15s;
  flex: 1;
}
.note-card:hover { border-color: var(--border-strong); }
.note-card-head { display: flex; justify-content: space-between; align-items: start; gap: 0.5rem; margin-bottom: 0.5rem; }
.note-card h2 { font-size: 1rem; font-weight: 600; }
.note-card p { font-size: 0.875rem; color: var(--muted); }
.note-card mark {
  background: var(--mark-bg);
  color: var(--mark-fg);
  border-radius: 3px;
  padding: 0 0.12em;
}
.note-card-meta { display: flex; gap: 0.4rem; align-items: center; flex-wrap: wrap; margin-top: 0.6rem; font-size: 0.75rem; }

.trash-actions { display: flex; flex-direction: column; gap: 0.4rem; padding: 0 0.5rem; }

.pin { color: var(--pin); }

.actions { display: flex; gap: 0.5rem; margin-bottom: 1.5rem; align-items: center; flex-wrap: wrap; }
.actions-right { margin-left: auto; display: flex; gap: 0.5rem; flex-wrap: wrap; }

label { display: block; font-size: 0.875rem; color: var(--muted); margin-bottom: 0.5rem; margin-top: 0.5rem; }

input[type="text"], input[type="search"], input[type="email"], input[type="password"], input[type="date"], textarea, select {
  width: 100%;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.625rem 0.75rem;
  color: var(--fg);
  font-size: 0.875rem;
  font-family: inherit;
  margin-bottom: 0.5rem;
}
.search { display: flex; gap: 0.5rem; margin: 1rem 0; flex-wrap: wrap; }
.search input { margin-bottom: 0; }
.search input[type="search"] { flex: 1 1 220px; }
.search input[type="date"] { width: auto; min-width: 9.5rem; }
.search .sort { width: auto; margin-bottom: 0; }
input:focus, textarea:focus, select:focus { outline: none; border-color: var(--border-strong); }
input[type="checkbox"] { width: auto; margin-right: 0.5rem; }
input[type="color"] {
  width: 3rem;
  min-height: 2.35rem;
  padding: 0.2rem;
  margin-bottom: 0.5rem;
}

.saved-search-active,
.saved-search-form {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-wrap: wrap;
  margin: 0.75rem 0;
}
.saved-search-active form { display: inline; }
.saved-search-inline-form {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-wrap: wrap;
}
.saved-search-form input { max-width: 240px; margin-bottom: 0; }
.saved-search-inline-form input { max-width: 220px; margin-bottom: 0; }

.errorlist { color: #f55; font-size: 0.8rem; margin-bottom: 0.5rem; list-style: none; }
.help { font-size: 0.75rem; margin-top: -0.25rem; margin-bottom: 0.75rem; }

.empty { color: var(--dim); text-align: center; padding: 3rem 0; }

.taglist { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-bottom: 1rem; }
.tag {
  display: inline-flex;
  gap: 0.3rem;
  align-items: center;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--muted);
  text-decoration: none;
  font-size: 0.75rem;
}
.tag:hover { color: var(--fg); border-color: var(--border-strong); }
.tag-active { background: var(--tag-active-bg); color: var(--tag-active-fg); border-color: var(--tag-active-bg); }
.tag-sm { font-size: 0.7rem; padding: 0.1rem 0.45rem; }
.tag[style*="--tag-color"] { border-color: var(--tag-color); }
.tag-swatch {
  width: 0.6rem;
  height: 0.6rem;
  border-radius: 999px;
  background: var(--tag-color);
  display: inline-block;
  flex-shrink: 0;
}

.bulk-bar {
  display: flex; gap: 0.5rem; align-items: center; margin-bottom: 1rem;
  padding: 0.5rem 0.75rem; background: var(--card); border: 1px solid var(--border); border-radius: 6px;
  flex-wrap: wrap;
}
.bulk-bar select, .bulk-bar input { width: auto; margin: 0; }
.bulk-bar .bulk-tag { flex: 1; min-width: 120px; }

.pagination { display: flex; gap: 0.75rem; align-items: center; margin-top: 1.5rem; }

.meta-row { display: flex; gap: 0.5rem; align-items: center; flex-wrap: wrap; margin-top: 1rem; font-size: 0.8rem; }

.share-banner {
  background: var(--card);
  border: 1px solid var(--border);
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  font-size: 0.8rem;
  margin-bottom: 1rem;
  word-break: break-all;
}

.badge {
  font-size: 0.7rem;
  padding: 0.15rem 0.5rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
}

.messages { list-style: none; margin-bottom: 1rem; }
.msg { padding: 0.5rem 0.75rem; border-radius: 6px; font-size: 0.875rem; }
.msg-success { background: #0a3; color: #fff; }
.msg-error { background: #c33; color: #fff; }

.markdown { line-height: 1.6; }
.markdown p { margin: 0.75em 0; }
.markdown h1, .markdown h2, .markdown h3 { margin: 1em 0 0.4em; font-weight: 600; }
.markdown h1 { font-size: 1.25rem; }
.markdown h2 { font-size: 1.1rem; }
.markdown h3 { font-size: 1rem; }
.markdown ul, .markdown ol { padding-left: 1.5em; margin: 0.5em 0; }
.markdown code {
  background: var(--code-inline);
  padding: 0.1em 0.3em;
  border-radius: 3px;
  font-family: ui-monospace, Menlo, monospace;
  font-size: 0.85em;
}
.markdown pre, .markdown .codehilite {
  background: var(--code-bg);
  border: 1px solid var(--border);
  padding: 0.75em 1em;
  border-radius: 6px;
  overflow-x: auto;
  margin: 0.75em 0;
}
.markdown pre code, .markdown .codehilite code { background: none; padding: 0; }
.markdown blockquote { border-left: 3px solid var(--border); padding-left: 1em; color: var(--muted); margin: 0.75em 0; }
.markdown a { color: var(--link); }
.markdown table { border-collapse: collapse; }
.markdown th, .markdown td { border: 1px solid var(--border); padding: 0.4em 0.7em; }
.wikilink { color: var(--link); text-decoration: underline; }
.wikilink-missing { color: var(--dim); border-bottom: 1px dashed var(--dim); cursor: help; }

.codehilite .k, .codehilite .kd, .codehilite .kn { color: #c678dd; }
.codehilite .s, .codehilite .s1, .codehilite .s2 { color: #98c379; }
.codehilite .c, .codehilite .c1 { color: #5c6370; font-style: italic; }
.codehilite .nf { color: #61afef; }
.codehilite .mi, .codehilite .mf { color: #d19a66; }

.preview-wrap { margin-top: 1rem; }
.preview-wrap #preview { margin-top: 1rem; }

.backlinks { list-style: none; padding: 0; }
.backlinks li { margin: 0.3rem 0; }
.backlinks a { color: var(--link); text-decoration: none; }
.backlinks a:hover { text-decoration: underline; }

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