:root {
  --bg: #0f172a;
  --card: #1e293b;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --accent: #38bdf8;
  --radius: 10px;
  --gap: 14px;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  background: radial-gradient(circle at 20% 20%, #111827, #0b1224 60%);
  color: var(--text);
  min-height: 100vh;
}
header {
  padding: 24px 24px 12px;
  border-bottom: 1px solid #1f2937;
}
h1 { margin: 0 0 6px; letter-spacing: -0.5px; }
p { margin: 0; color: var(--muted); }
#meta { margin-top: 8px; color: var(--muted); font-size: 0.9rem; }

.board {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--gap);
  padding: 16px;
}
.column {
  background: #0b1220;
  border: 1px solid #1f2937;
  border-radius: var(--radius);
  padding: 12px;
  min-height: 200px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.25);
}
.column h2 {
  margin: 0 0 10px;
  font-size: 1.05rem;
}
.cards { display: flex; flex-direction: column; gap: 10px; }
.card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 12px;
  border: 1px solid #233149;
  box-shadow: 0 8px 20px rgba(0,0,0,0.2);
}
.card .title { font-weight: 600; margin-bottom: 6px; }
.card .labels { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 6px; }
.card .label {
  padding: 4px 8px;
  border-radius: 999px;
  font-size: 0.78rem;
  color: #0b1220;
  background: #e2e8f0;
  font-weight: 600;
}
.card .meta { color: var(--muted); font-size: 0.82rem; }

@media (max-width: 640px) {
  .board { grid-template-columns: 1fr; }
}