:root {
  --bg: #f6f5f2;
  --surface: #ffffff;
  --border: #e3e0d9;
  --text: #1c1b19;
  --muted: #6b675f;
  --accent: #d24a26;
  --accent-ink: #ffffff;
  --radius: 12px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161412;
    --surface: #211e1b;
    --border: #35312c;
    --text: #f1eee9;
    --muted: #a19b92;
    --accent: #e8542e;
    --accent-ink: #1c0f08;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

.topbar {
  position: sticky; top: 0; z-index: 1;
  display: flex; flex-wrap: wrap; gap: 12px;
  align-items: center; justify-content: space-between;
  padding: 14px 16px;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.topbar h1 { margin: 0; font-size: 1.35rem; letter-spacing: -0.01em; }
.controls { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }

.segmented {
  display: inline-flex; padding: 3px; gap: 2px;
  background: var(--surface); border: 1px solid var(--border); border-radius: 999px;
}
.segmented button, .icon-btn {
  border: 0; background: transparent; color: var(--muted);
  font: inherit; font-size: 0.875rem; padding: 6px 12px; border-radius: 999px; cursor: pointer;
}
.segmented button:hover, .icon-btn:hover { color: var(--text); }
.segmented button[aria-pressed="true"] { background: var(--accent); color: var(--accent-ink); }
.icon-btn { border: 1px solid var(--border); background: var(--surface); font-size: 1rem; padding: 5px 11px; }
.select {
  font: inherit; font-size: 0.875rem; color: var(--text);
  background: var(--surface); border: 1px solid var(--border); border-radius: 999px;
  padding: 7px 12px; cursor: pointer;
}
button:focus-visible, .select:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

main { max-width: 1200px; margin: 0 auto; padding: 16px; }
.status { color: var(--muted); margin: 8px 0 16px; }
.status.error { color: var(--accent); }
.status:empty { display: none; }

.month { margin-bottom: 32px; }
.month h2 {
  display: flex; align-items: baseline; gap: 8px;
  font-size: 1.05rem; margin: 0 0 12px; padding-bottom: 6px;
  border-bottom: 1px solid var(--border);
}
.month h2 .count { color: var(--muted); font-weight: 400; font-size: 0.85rem; }

.grid { display: grid; gap: 16px; grid-template-columns: repeat(3, minmax(0, 1fr)); }
@media (max-width: 900px) { .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 600px) { .grid { grid-template-columns: 1fr; } }
.list { display: flex; flex-direction: column; gap: 10px; }

.card {
  display: flex; flex-direction: column;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; color: inherit; text-decoration: none;
  transition: border-color .15s, transform .15s;
}
.card { position: relative; }
.card:hover { border-color: var(--accent); transform: translateY(-1px); }
.card-link { color: inherit; text-decoration: none; }
.card-link::after { content: ""; position: absolute; inset: 0; } /* whole card is clickable */
.card-link:focus-visible { outline: none; }
.card:has(.card-link:focus-visible) { outline: 2px solid var(--accent); outline-offset: 2px; }
.card.is-read { opacity: 0.55; }
.card.is-read:hover { opacity: 0.8; }
.top-row { display: flex; align-items: center; gap: 10px; }
.top-row .meta { flex: 1; }
.mark-read {
  position: relative; z-index: 1; /* above the stretched card link */
  flex-shrink: 0; width: 28px; height: 28px; padding: 0;
  display: grid; place-items: center; border-radius: 50%; cursor: pointer;
  color: var(--muted); background: var(--surface); border: 1.5px solid var(--border);
  transition: color .15s, background .15s, border-color .15s;
}
.mark-read:hover { color: var(--accent); border-color: var(--accent); }
.mark-read[aria-pressed="true"] { color: var(--accent-ink); background: var(--accent); border-color: var(--accent); cursor: default; }
.card img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; background: var(--border); display: block; }
.card .body { padding: 12px 14px 14px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.card .meta { font-size: 0.78rem; color: var(--muted); display: flex; gap: 6px; flex-wrap: wrap; }
.card h3 { margin: 0; font-size: 1rem; line-height: 1.35; }
.card p {
  margin: 0; color: var(--muted); font-size: 0.875rem;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}

.list .card { flex-direction: row; }
.list .card img { width: 140px; aspect-ratio: 4 / 3; flex-shrink: 0; }
.list .card p { -webkit-line-clamp: 2; }

@media (max-width: 520px) {
  .list .card img { width: 96px; }
  .segmented button { padding: 6px 10px; }
}