:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
  background: #111827;
  color: #f3f4f6;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  background:
    radial-gradient(ellipse at 15% 0%, rgb(124 58 237 / 22%), transparent 38rem),
    radial-gradient(ellipse at 100% 15%, rgb(14 165 233 / 13%), transparent 34rem),
    #111827;
}

main {
  width: min(100% - 2rem, 58rem);
  margin: 0 auto;
  padding: 4.5rem 0 3rem;
}

header {
  margin: 2rem 0 2.5rem;
}

.eyebrow {
  color: #c4b5fd;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1 {
  margin: 0.6rem 0 0.8rem;
  font-size: clamp(2.4rem, 7vw, 4.4rem);
  letter-spacing: -0.055em;
  line-height: 1.05;
}

header p {
  max-width: 42rem;
  margin: 0;
  color: #cbd5e1;
  font-size: 1.15rem;
  line-height: 1.7;
}

.back-link,
.year-page-link {
  color: #c4b5fd;
  font-weight: 650;
  text-decoration: none;
}

.back-link:hover,
.year-page-link:hover {
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.deck-list {
  counter-reset: deck-order;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr));
  gap: 0.75rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.deck-list li {
  counter-increment: deck-order;
}

.deck-list a {
  display: flex;
  min-height: 4.5rem;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.1rem;
  border: 1px solid rgb(148 163 184 / 18%);
  border-radius: 0.85rem;
  background: rgb(15 23 42 / 60%);
  color: #f8fafc;
  font-weight: 650;
  line-height: 1.35;
  text-decoration: none;
  transition: border-color 150ms ease, background-color 150ms ease, transform 150ms ease;
}

.deck-list a::before {
  content: counter(deck-order) ".";
  flex: 0 0 auto;
  margin-right: 0.25rem;
  color: #c4b5fd;
  font-variant-numeric: tabular-nums;
}

.deck-list a::after {
  content: "↗";
  flex: 0 0 auto;
  color: #c4b5fd;
  font-size: 1.2rem;
}

.deck-list a:hover {
  transform: translateY(-2px);
  border-color: rgb(196 181 253 / 65%);
  background: rgb(51 65 85 / 85%);
}

a:focus-visible {
  outline: 3px solid #c4b5fd;
  outline-offset: 3px;
}

footer {
  margin-top: 2rem;
  color: #94a3b8;
  font-size: 0.9rem;
  line-height: 1.6;
}

@media (max-width: 520px) {
  main {
    padding-top: 3rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}