:root {
  --bg: #0b0d17;
  --bg-2: #12152a;
  --card: #191d33;
  --card-hover: #20264a;
  --border: #2a2f52;
  --text: #eef0fb;
  --muted: #9aa0c3;
  --accent: #6c8cff;
  --accent-2: #b06cff;
  --radius: 18px;
  --shadow: 0 10px 40px rgba(0, 0, 0, 0.45);
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont,
    "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 20% -10%, #1a1f45 0%, var(--bg) 45%) fixed;
  line-height: 1.5;
  overflow-x: hidden;
}

.bg-glow {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(600px circle at 85% 10%, rgba(176, 108, 255, 0.12), transparent 60%),
    radial-gradient(500px circle at 10% 90%, rgba(108, 140, 255, 0.12), transparent 60%);
  pointer-events: none;
}

/* Header */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  max-width: 1120px;
  margin: 0 auto;
  padding: 32px 24px 20px;
}

.brand { display: flex; align-items: center; gap: 14px; }

.brand-logo {
  font-size: 40px;
  line-height: 1;
  filter: drop-shadow(0 4px 12px rgba(108, 140, 255, 0.5));
}

.brand-text h1 {
  margin: 0;
  font-size: 26px;
  letter-spacing: 0.5px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.brand-text p {
  margin: 2px 0 0;
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

.header-tools { flex: 1; max-width: 320px; min-width: 200px; }

#search {
  width: 100%;
  padding: 11px 16px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s, background 0.2s;
}
#search::placeholder { color: var(--muted); }
#search:focus { border-color: var(--accent); background: rgba(108, 140, 255, 0.08); }

/* Tag bar */
.tag-bar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  max-width: 1120px;
  margin: 0 auto;
  padding: 4px 24px 8px;
}

.tag {
  padding: 6px 15px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.18s;
}
.tag:hover { color: var(--text); border-color: var(--accent); }
.tag.active {
  color: #fff;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  border-color: transparent;
}

/* Games grid */
main { max-width: 1120px; margin: 0 auto; padding: 16px 24px 40px; }

.games {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px;
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--card);
  text-decoration: none;
  color: inherit;
  overflow: hidden;
  transition: transform 0.2s ease, border-color 0.2s, background 0.2s;
  animation: rise 0.4s ease both;
}
.card:hover {
  transform: translateY(-4px);
  background: var(--card-hover);
  border-color: var(--accent);
}

.card-art {
  height: 130px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 58px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.06), transparent);
  border-bottom: 1px solid var(--border);
}

.card-body { padding: 16px 18px 18px; }
.card-body h3 { margin: 0 0 6px; font-size: 18px; }
.card-body p {
  margin: 0 0 12px;
  font-size: 13px;
  color: var(--muted);
  min-height: 38px;
}

.card-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.chip {
  font-size: 11px;
  padding: 3px 9px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--muted);
}

.play-hint {
  position: absolute;
  top: 12px;
  right: 12px;
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(4px);
  opacity: 0;
  transform: translateY(-4px);
  transition: all 0.2s;
}
.card:hover .play-hint { opacity: 1; transform: translateY(0); }

.empty { text-align: center; color: var(--muted); padding: 60px 0; }

.site-footer {
  text-align: center;
  color: var(--muted);
  font-size: 13px;
  padding: 24px 24px 40px;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 560px) {
  .site-header { padding: 24px 16px 16px; }
  .brand-text h1 { font-size: 22px; }
  main, .tag-bar { padding-left: 16px; padding-right: 16px; }
  .games { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 14px; }
  .card-art { height: 100px; font-size: 44px; }
}