:root {
  --bg: #f6f5f2;
  --panel: #fffefb;
  --ink: #1c1a17;
  --muted: #6b6560;
  --line: #e3ded6;
  --accent: #a8322d;      /* a restrained Japanese red */
  --accent-soft: #f5e6e4;
  --good: #2f6b4f;
  --warn: #9a6b1f;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(28,26,23,.05), 0 4px 14px rgba(28,26,23,.05);
  --font: ui-sans-serif, -apple-system, "SF Pro Text", "Hiragino Sans", "Noto Sans JP", system-ui, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #171614;
    --panel: #201e1b;
    --ink: #eae6e0;
    --muted: #9d958c;
    --line: #322e2a;
    --accent: #e2706a;
    --accent-soft: #3a2422;
    --good: #6fbf95;
    --warn: #d6a850;
    --shadow: 0 1px 2px rgba(0,0,0,.3), 0 4px 14px rgba(0,0,0,.25);
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 0 24px 64px;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

/* ------------------------------------------------------------------- top */

.top {
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px; flex-wrap: wrap;
  max-width: 1180px; margin: 0 auto; padding: 28px 0 20px;
  border-bottom: 1px solid var(--line);
}
.top-left { display: flex; align-items: center; gap: 14px; }
.mark { font-size: 34px; line-height: 1; }
.top h1 { margin: 0; font-size: 21px; letter-spacing: -.01em; }
.tagline { margin: 2px 0 0; color: var(--muted); font-size: 13px; }

.top-right { display: flex; align-items: center; gap: 12px; }
#search {
  width: 260px; padding: 9px 13px;
  border: 1px solid var(--line); border-radius: 999px;
  background: var(--panel); color: var(--ink); font: inherit; font-size: 14px;
}
#search:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: transparent; }
.user-chip {
  padding: 5px 12px; border-radius: 999px;
  background: var(--accent-soft); color: var(--accent);
  font-size: 13px; font-weight: 600;
}
.linkish {
  background: none; border: 0; color: var(--muted);
  font: inherit; font-size: 13px; cursor: pointer; padding: 4px;
}
.linkish:hover { color: var(--accent); text-decoration: underline; }
.top-right form { margin: 0; }

/* ----------------------------------------------------------------- stats */

.stats {
  max-width: 1180px; margin: 20px auto 0;
  display: flex; gap: 10px; flex-wrap: wrap;
}
.stat {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 10px 16px; min-width: 104px;
}
.stat b { display: block; font-size: 20px; letter-spacing: -.02em; }
.stat span { color: var(--muted); font-size: 12px; }
.stat.subtle b { font-size: 14px; padding-top: 4px; color: var(--muted); font-weight: 600; }

.hint { max-width: 1180px; margin: 14px auto 0; color: var(--muted); font-size: 13px; min-height: 18px; }

/* ------------------------------------------------------------ categories */

main { max-width: 1180px; margin: 0 auto; }

.cat { margin-top: 34px; }
.cat.hidden { display: none; }
.cat-head { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; margin-bottom: 14px; }
.cat-head h2 { margin: 0; font-size: 16px; letter-spacing: -.01em; }
.cat-icon { margin-right: 4px; }
.cat-blurb { color: var(--muted); font-size: 13px; flex: 1; }
.cat-count {
  color: var(--muted); font-size: 12px; font-variant-numeric: tabular-nums;
  border: 1px solid var(--line); border-radius: 999px; padding: 1px 9px;
}

.grid {
  display: grid; gap: 12px;
  grid-template-columns: repeat(auto-fill, minmax(272px, 1fr));
}

.card {
  display: flex; flex-direction: column; gap: 8px;
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 15px 16px 13px;
  text-decoration: none; color: inherit;
  box-shadow: var(--shadow);
  transition: transform .12s ease, border-color .12s ease, box-shadow .12s ease;
}
.card:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
  box-shadow: 0 2px 4px rgba(28,26,23,.06), 0 10px 24px rgba(28,26,23,.09);
}
.card.hidden { display: none; }
.card-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 8px; }
.card h3 { margin: 0; font-size: 15px; line-height: 1.35; letter-spacing: -.01em; }
.pin { color: var(--warn); font-size: 13px; }
.card-sum {
  margin: 0; color: var(--muted); font-size: 13px; line-height: 1.5;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.card-meta { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; margin-top: auto; padding-top: 4px; }
.card-date { margin-left: auto; color: var(--muted); font-size: 11.5px; font-variant-numeric: tabular-nums; }
.card-activity { color: var(--good); font-size: 11.5px; }

.badge {
  font-size: 11px; padding: 2px 8px; border-radius: 999px;
  border: 1px solid var(--line); color: var(--muted); white-space: nowrap;
}
.badge.shared { background: var(--accent-soft); color: var(--accent); border-color: transparent; font-weight: 600; }
.badge.live { color: var(--good); border-color: currentColor; }
.badge.md { font-style: italic; }

/* -------------------------------------------------------------- activity */

.activity {
  max-width: 1180px; margin: 40px auto 0;
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 16px 18px;
}
.activity h2 { margin: 0 0 10px; font-size: 14px; }
.activity ul { list-style: none; margin: 0; padding: 0; }
.activity li {
  display: flex; align-items: baseline; gap: 7px;
  padding: 5px 0; border-bottom: 1px solid var(--line);
  font-size: 13px; color: var(--muted);
}
.activity li:last-child { border-bottom: 0; }
.activity li b { color: var(--ink); font-weight: 600; }
.activity li span { color: var(--ink); }
.activity li time { margin-left: auto; font-size: 12px; }

.foot {
  max-width: 1180px; margin: 40px auto 0;
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  padding-top: 16px; border-top: 1px solid var(--line);
  color: var(--muted); font-size: 12.5px;
}
.foot a { color: var(--muted); }

/* ----------------------------------------------------------------- login */

.login-body, .mini-body {
  display: flex; align-items: center; justify-content: center;
  min-height: 100vh; padding: 24px;
}
.login-card {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 16px; padding: 34px 32px; width: 100%; max-width: 360px;
  box-shadow: var(--shadow); text-align: left;
}
/* No heading or tagline to sit above the fields — see render.js login(). */
.login-card.bare { padding: 30px 32px 32px; }
.login-card label {
  display: block; font-size: 12px; color: var(--muted);
  margin: 0 0 6px; font-weight: 600;
}
.login-card label + input { margin-bottom: 16px; }
.login-card input[type=text],
.login-card input[type=password] {
  width: 100%; padding: 10px 13px; font: inherit;
  border: 1px solid var(--line); border-radius: 9px;
  background: var(--bg); color: var(--ink);
}
.login-card input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.login-card button[type=submit] {
  width: 100%; margin-top: 6px; padding: 11px;
  background: var(--accent); color: #fff; border: 0; border-radius: 9px;
  font: inherit; font-weight: 600; cursor: pointer;
}
.login-card button[type=submit]:hover { filter: brightness(1.07); }
.login-error {
  background: var(--accent-soft); color: var(--accent);
  padding: 9px 12px; border-radius: 9px; font-size: 13px; margin-bottom: 18px;
}

/* ------------------------------------------------------------ mini pages */

.mini { text-align: center; max-width: 460px; }
.mini h1 { font-size: 22px; margin: 0 0 10px; }
.mini p { color: var(--muted); }
.mini code { background: var(--panel); padding: 2px 6px; border-radius: 5px; font-size: 13px; }
.mini a { color: var(--accent); }

/* ------------------------------------------------------------- markdown */

.md-body { padding-top: 0; }
.md {
  max-width: 760px; margin: 0 auto; padding: 28px 0 80px;
  font-size: 16px; line-height: 1.65;
}
.md-crumb { color: var(--muted); font-size: 12px; font-family: ui-monospace, monospace; margin: 0 0 18px; }
.md h1 { font-size: 27px; letter-spacing: -.02em; margin: 0 0 14px; }
.md h2 { font-size: 20px; margin: 34px 0 10px; padding-bottom: 6px; border-bottom: 1px solid var(--line); }
.md h3 { font-size: 16px; margin: 24px 0 8px; }
.md table { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: 14px; }
.md th, .md td { border: 1px solid var(--line); padding: 7px 10px; text-align: left; vertical-align: top; }
.md th { background: var(--panel); font-weight: 600; }
.md code { background: var(--panel); padding: 1px 5px; border-radius: 4px; font-size: 13.5px; }
.md pre { background: var(--panel); border: 1px solid var(--line); border-radius: 9px; padding: 13px; overflow-x: auto; }
.md pre code { background: none; padding: 0; }
.md blockquote {
  margin: 16px 0; padding: 2px 0 2px 15px;
  border-left: 3px solid var(--accent); color: var(--muted);
}
.md a { color: var(--accent); }
.md hr { border: 0; border-top: 1px solid var(--line); margin: 30px 0; }

@media (max-width: 640px) {
  body { padding: 0 14px 48px; }
  .top { padding-top: 18px; }
  .top-right { width: 100%; }
  #search { flex: 1; width: auto; }
  .grid { grid-template-columns: 1fr; }
}