:root {
  --ink: #12161c;
  --muted: #5a6573;
  --line: #d5dde6;
  --paper: #f3f6f9;
  --panel: #ffffff;
  --accent: #1f6f7a;
  --accent-soft: #d7eef1;
  --shadow: transparent;
  --font-display: "Fraunces", "Times New Roman", serif;
  --font-body: "IBM Plex Sans", "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  color: var(--ink);
  font-family: var(--font-body);
  background:
    radial-gradient(circle at 12% 8%, #e7f3f5 0%, transparent 42%),
    radial-gradient(circle at 88% 0%, #eef1f6 0%, transparent 36%),
    linear-gradient(180deg, #e9eef3 0%, var(--paper) 48%, #e8edf2 100%);
}

.shell {
  width: min(1080px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2.5rem 0 4rem;
}

.hero {
  margin-bottom: 2rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--line);
}

.brand {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4vw, 3.1rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.tagline {
  margin: 0.65rem 0 0;
  max-width: 36rem;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.45;
}

.meta {
  margin: 1rem 0 0;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}

.card {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1.15rem 1.2rem 1.25rem;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 4px;
  text-decoration: none;
  color: inherit;
  transition: border-color 160ms ease, transform 160ms ease;
}

.card:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
}

.card-top {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  align-items: flex-start;
}

.card h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  line-height: 1.2;
}

.card time {
  flex: none;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.45;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.tags li {
  padding: 0.15rem 0.45rem;
  background: var(--accent-soft);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  border-radius: 2px;
}

.empty {
  grid-column: 1 / -1;
  padding: 1.5rem;
  background: var(--panel);
  border: 1px dashed var(--line);
  color: var(--muted);
}

footer {
  margin-top: 2.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

footer p { margin: 0.35rem 0; }

code, footer a {
  font-family: var(--font-mono);
  font-size: 0.85em;
}

footer a { color: var(--accent); }

@media (max-width: 640px) {
  .shell { width: min(100% - 1.25rem, 1080px); padding-top: 1.5rem; }
  .card-top { flex-direction: column; }
}