:root {
  --bg-1: #081521;
  --bg-2: #0f2435;
  --surface: rgba(12, 32, 47, 0.7);
  --surface-strong: rgba(9, 28, 41, 0.9);
  --text-main: #ecf5ff;
  --text-muted: #9fb5c7;
  --accent-warm: #ff9a3d;
  --accent-cool: #18d1b1;
  --accent-soft: #ffd166;
  --line: rgba(141, 172, 193, 0.25);
  --shadow: 0 24px 50px rgba(0, 0, 0, 0.35);
  --radius: 18px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text-main);
  font-family: "Noto Sans SC", sans-serif;
  background: linear-gradient(165deg, var(--bg-1), var(--bg-2));
}

.aurora-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(circle at 12% 12%, rgba(255, 154, 61, 0.32), transparent 38%),
    radial-gradient(circle at 88% 16%, rgba(24, 209, 177, 0.26), transparent 42%),
    radial-gradient(circle at 60% 88%, rgba(255, 209, 102, 0.15), transparent 46%),
    linear-gradient(165deg, var(--bg-1), var(--bg-2));
}

.aurora-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: 0.22;
}

.container {
  width: min(1180px, calc(100% - 2rem));
  margin-inline: auto;
}

.glass {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
  background: var(--surface);
}

.topbar {
  margin-top: 1.25rem;
  padding: 0.8rem 1rem;
  position: sticky;
  top: 0.7rem;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  color: var(--text-main);
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  font-family: "Audiowide", sans-serif;
  font-size: 0.9rem;
  background: linear-gradient(150deg, var(--accent-warm), var(--accent-soft));
  color: #1f1000;
}

.brand-name {
  font-family: "Audiowide", sans-serif;
  font-size: 1.1rem;
  letter-spacing: 0.05em;
}

.search-box {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  min-width: min(360px, 100%);
  padding: 0.6rem 0.75rem;
  border-radius: 12px;
  border: 1px solid rgba(141, 172, 193, 0.35);
  background: rgba(7, 23, 34, 0.7);
}

.search-icon {
  color: var(--accent-cool);
  font-size: 1rem;
}

.search-box input {
  width: 100%;
  border: 0;
  background: transparent;
  color: var(--text-main);
  font: inherit;
  outline: none;
}

.search-box input::placeholder {
  color: var(--text-muted);
}

main.container {
  padding: 1rem 0 2rem;
  display: grid;
  gap: 1rem;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 1.3rem;
  background:
    linear-gradient(165deg, rgba(255, 154, 61, 0.12), rgba(24, 209, 177, 0.06)),
    var(--surface-strong);
}

.hero::before {
  content: "";
  position: absolute;
  width: 240px;
  height: 240px;
  right: -70px;
  top: -90px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(24, 209, 177, 0.35), transparent 65%);
  pointer-events: none;
}

.hero-tag {
  margin: 0;
  color: var(--accent-soft);
  font-family: "Audiowide", sans-serif;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
}

.hero h1 {
  margin: 0.35rem 0 0.45rem;
  font-size: clamp(1.45rem, 3.2vw, 2.3rem);
}

.hero-text {
  margin: 0;
  color: var(--text-muted);
}

.hero-stats {
  margin-top: 0.95rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.stat-item {
  min-width: 140px;
  padding: 0.7rem 0.85rem;
  border-radius: 12px;
  border: 1px solid rgba(141, 172, 193, 0.22);
  background: rgba(4, 15, 24, 0.48);
  display: grid;
  gap: 0.25rem;
}

.stat-item span {
  font-size: 0.86rem;
  color: var(--text-muted);
}

.stat-item strong {
  font-size: 1.35rem;
  line-height: 1;
  font-family: "Audiowide", sans-serif;
  color: var(--accent-cool);
}

.panel {
  padding: 1rem;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
}

.section-head h2 {
  margin: 0;
  font-size: 1.05rem;
}

.section-head p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.category-row {
  margin-top: 0.8rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.filter-btn {
  border: 1px solid rgba(141, 172, 193, 0.3);
  border-radius: 999px;
  background: rgba(6, 22, 35, 0.75);
  color: var(--text-main);
  padding: 0.45rem 0.75rem;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  cursor: pointer;
  font: inherit;
  transition: 0.2s ease;
}

.filter-btn em {
  font-style: normal;
  padding: 0.1rem 0.45rem;
  border-radius: 999px;
  background: rgba(159, 181, 199, 0.18);
  color: var(--text-muted);
  font-size: 0.78rem;
}

.filter-btn:hover {
  border-color: rgba(24, 209, 177, 0.55);
  transform: translateY(-1px);
}

.filter-btn[data-active="true"] {
  background: linear-gradient(165deg, rgba(24, 209, 177, 0.24), rgba(255, 154, 61, 0.18));
  border-color: rgba(24, 209, 177, 0.7);
}

.games-grid {
  margin-top: 0.9rem;
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(1, minmax(0, 1fr));
}

.game-link {
  color: inherit;
  text-decoration: none;
  display: block;
  height: 100%;
}

.game-card {
  height: 100%;
  border-radius: 16px;
  border: 1px solid rgba(141, 172, 193, 0.24);
  background:
    linear-gradient(165deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0)),
    rgba(7, 23, 34, 0.8);
  padding: 0.95rem;
  display: grid;
  gap: 0.65rem;
  animation: card-in 0.45s ease both;
  animation-delay: calc(var(--stagger, 0) * 50ms);
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.game-card:hover {
  transform: translateY(-6px) scale(1.01);
  border-color: rgba(24, 209, 177, 0.56);
  box-shadow:
    0 18px 30px rgba(0, 0, 0, 0.3),
    0 0 0 1px rgba(24, 209, 177, 0.2),
    0 0 24px rgba(24, 209, 177, 0.22);
}

.game-head {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.game-icon {
  width: 2.35rem;
  height: 2.35rem;
  border-radius: 0.85rem;
  display: grid;
  place-items: center;
  font-size: 1.3rem;
  background: linear-gradient(160deg, rgba(255, 154, 61, 0.18), rgba(24, 209, 177, 0.25));
}

.game-title {
  margin: 0;
  font-size: 1.03rem;
}

.game-file {
  margin: 0.15rem 0 0;
  font-size: 0.78rem;
  color: rgba(159, 181, 199, 0.85);
}

.game-desc {
  margin: 0;
  color: var(--text-muted);
  line-height: 1.45;
  min-height: 2.8em;
}

.card-foot {
  margin-top: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.game-tag {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.62rem;
  border-radius: 999px;
  font-size: 0.78rem;
  color: #ffe9d0;
  background: rgba(255, 154, 61, 0.28);
}

.open-label {
  color: var(--accent-cool);
  font-size: 0.84rem;
}

.empty-state {
  margin: 1rem 0 0;
  padding: 0.9rem 1rem;
  border: 1px dashed rgba(141, 172, 193, 0.42);
  border-radius: 12px;
  color: var(--text-muted);
  text-align: center;
}

.site-footer {
  padding: 0.5rem 0 1.4rem;
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.6rem;
  font-size: 0.86rem;
}

@keyframes card-in {
  from {
    opacity: 0;
    transform: translateY(12px) scale(0.98);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@media (min-width: 680px) {
  .games-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .games-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1230px) {
  .games-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .topbar {
    flex-direction: column;
    align-items: stretch;
  }

  .search-box {
    min-width: 0;
    width: 100%;
  }

  .site-footer {
    padding-bottom: 1rem;
  }
}