:root {
  --bg: #f7f6f2;
  --paper: #ffffff;
  --ink: #1f2328;
  --muted: #6b6f76;
  --line: #e2e0d9;
  --accent: #2f5d8a;
  --accent-soft: #e6eef6;
  --danger: #b4372f;
  --old: #faf8f1;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #16181b;
    --paper: #1e2125;
    --ink: #e6e6e3;
    --muted: #9a9ea5;
    --line: #2f3338;
    --accent: #8ab4dc;
    --accent-soft: #233343;
    --danger: #e0786f;
    --old: #1b1d20;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.7 system-ui, -apple-system, "Hiragino Sans", "Noto Sans JP", "Yu Gothic UI", sans-serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 1.45rem; margin: .2rem 0 .4rem; line-height: 1.35; }

.wrap { max-width: 860px; margin: 0 auto; padding: 0 16px; }
main.wrap { padding-top: 16px; padding-bottom: 64px; }

.top { background: var(--paper); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 5; }
.top-inner { display: flex; gap: 12px; align-items: center; height: 52px; }
.brand { font-weight: 700; color: var(--ink); white-space: nowrap; }
.search { flex: 1; }
.search input { width: 100%; }

input, textarea {
  width: 100%;
  font: inherit;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 7px 10px;
}
textarea { resize: vertical; line-height: 1.65; }
input:focus, textarea:focus { outline: 2px solid var(--accent-soft); border-color: var(--accent); }

button {
  font: inherit;
  background: var(--accent);
  color: var(--paper);
  border: 0;
  border-radius: 6px;
  padding: 7px 18px;
  cursor: pointer;
}
button.del { background: transparent; color: var(--danger); border: 1px solid var(--danger); }

.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 14px; }
.grid label { display: flex; flex-direction: column; gap: 3px; font-size: .85rem; color: var(--muted); }
.grid .full { grid-column: 1 / -1; }
.grid em { color: var(--danger); font-style: normal; }
@media (max-width: 560px) { .grid { grid-template-columns: 1fr; } }

.card { background: var(--paper); border: 1px solid var(--line); border-radius: 8px; padding: 14px 16px; margin: 16px 0; }

.sec { font-size: 1rem; margin: 22px 0 8px; }
.sec small, .tag small { color: var(--muted); font-weight: 400; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.crumb { margin: 0 0 6px; font-size: .9rem; }

.code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: .85em;
  color: var(--muted);
  margin-right: .5em;
}

.tagbar { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.tag {
  display: inline-block;
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: 999px;
  padding: 1px 10px;
  font-size: .85rem;
  margin-right: 4px;
}
.tag.sm { font-size: .78rem; padding: 0 8px; }
.tag.on { background: var(--accent); color: var(--paper); }
.tag.on small { color: var(--paper); }
.clear { font-size: .85rem; margin-left: 4px; }

.clist { list-style: none; padding: 0; margin: 0; background: var(--paper); border: 1px solid var(--line); border-radius: 8px; }
.clist li + li { border-top: 1px solid var(--line); }
.crow { display: block; padding: 10px 14px; color: var(--ink); }
.crow:hover { background: var(--accent-soft); text-decoration: none; }
.cname { font-weight: 600; margin-right: 8px; }
.cmeta { font-size: .82rem; }
.csum { display: block; color: var(--muted); font-size: .88rem; }

.chead { margin-bottom: 8px; }
.summary {
  white-space: pre-wrap;
  background: var(--paper);
  border-left: 3px solid var(--accent);
  padding: 8px 12px;
  margin: 10px 0;
}
details.edit { margin: 8px 0; }
details.edit summary { cursor: pointer; color: var(--muted); font-size: .88rem; }
details.edit .grid { margin-top: 10px; }
.danger { margin-top: 18px; display: flex; gap: 10px; align-items: flex-end; flex-wrap: wrap; font-size: .85rem; color: var(--muted); }
.danger label { display: flex; flex-direction: column; gap: 3px; flex: 1; min-width: 200px; }

.entry { background: var(--paper); border: 1px solid var(--line); border-radius: 8px; padding: 10px 14px; margin: 10px 0; }
.entry.old { background: var(--old); }
.entry:target { outline: 2px solid var(--accent); }
.ehead { display: flex; flex-wrap: wrap; gap: 6px 10px; align-items: center; font-size: .88rem; margin-bottom: 4px; }
.ehead time { font-weight: 600; font-variant-numeric: tabular-nums; }
.spacer { flex: 1; }
.body { white-space: pre-wrap; overflow-wrap: anywhere; }

button.ghost { background: transparent; color: var(--muted); border: 1px solid var(--line); padding: 4px 10px; font-size: .82rem; white-space: nowrap; }
.flash { background: var(--accent-soft); color: var(--ink); border-radius: 6px; padding: 8px 12px; }
.error { color: var(--danger); }
pre { background: var(--paper); border: 1px solid var(--line); border-radius: 6px; padding: 10px 12px; overflow-x: auto; }

.login { max-width: 360px; margin: 12vh auto 0; }
.login h1 { text-align: center; margin-bottom: 18px; }
.login form { display: flex; flex-direction: column; gap: 12px; background: var(--paper); border: 1px solid var(--line); border-radius: 8px; padding: 18px; }
.login label { display: flex; flex-direction: column; gap: 4px; font-size: .88rem; color: var(--muted); }