:root {
  --bg: #0d1117;
  --panel: #161b22;
  --panel-hover: #1c2230;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #f58e2c;
  --accent-soft: rgba(245, 142, 44, 0.18);
  --green: #3fb950;
  --green-soft: rgba(63, 185, 80, 0.15);
  --border: #30363d;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

header {
  padding: 28px 32px 18px;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
}

.header-left h1 {
  margin: 0;
  font-size: 22px;
  font-weight: 600;
}

.header-left h1 span {
  color: var(--muted);
  font-weight: 400;
}

.subtitle {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 14px;
  max-width: 760px;
}

main {
  flex: 1;
  padding: 32px;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 18px;
}

.card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 22px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  text-decoration: none;
  color: inherit;
  transition: transform 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}

.card:hover {
  background: var(--panel-hover);
  border-color: var(--accent);
  transform: translateY(-2px);
}

.card-soon {
  opacity: 0.78;
  cursor: not-allowed;
}

.card-soon:hover {
  background: var(--panel);
  border-color: var(--border);
  transform: none;
}

.card-tag {
  display: inline-block;
  align-self: flex-start;
  padding: 3px 10px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--accent);
  background: var(--accent-soft);
  border-radius: 999px;
}

.tag-soon {
  color: var(--green);
  background: var(--green-soft);
}

.card h2 {
  margin: 0;
  font-size: 17px;
  font-weight: 600;
}

.card-desc {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.45;
}

.card-stats {
  margin: 4px 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.card-stats li {
  font-size: 13px;
  color: var(--muted);
}

.card-stats strong {
  color: var(--text);
  font-weight: 600;
}

.card-cta {
  margin-top: auto;
  padding-top: 12px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
}

.card-cta-soon {
  color: var(--green);
}

footer {
  margin-top: 32px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 13px;
}

footer a {
  color: var(--accent);
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}

@media (max-width: 640px) {
  header {
    padding: 20px 18px 14px;
  }
  main {
    padding: 18px;
  }
}