:root {
  --teal: #2dd4bf;
  --gold: #c9a227;
  --cream: #f6f1e4;
  --navy: #0b1220;
  --ink: #141414;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  min-height: 100%;
  background: radial-gradient(ellipse at 50% 0%, #152033 0%, var(--navy) 55%, #070b12 100%);
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  color: var(--cream);
}

body {
  padding: max(16px, env(safe-area-inset-top)) 5vw max(48px, env(safe-area-inset-bottom));
}

a { color: var(--teal); }

.arcade-shell { max-width: 980px; margin: 0 auto; }

.arcade-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
}

.arcade-back, .arcade-lang {
  border: 1.5px solid rgba(246, 241, 228, 0.35);
  background: transparent;
  color: var(--cream);
  border-radius: 999px;
  padding: 6px 14px;
  cursor: pointer;
  font: inherit;
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
}

.arcade-back:hover, .arcade-back:focus-visible, .arcade-lang:hover, .arcade-lang:focus-visible {
  border-color: var(--teal);
  outline: none;
}

.arcade-mark {
  font-size: 11px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 8px;
}

.arcade-shell h1 { font-size: clamp(28px, 5vw, 40px); letter-spacing: 0.04em; margin-bottom: 10px; }

.lead { max-width: 640px; opacity: 0.72; line-height: 1.55; font-size: 14px; margin-bottom: 28px; }

.arcade-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 18px; }

.arcade-card {
  background: rgba(246, 241, 228, 0.06);
  border: 1px solid rgba(246, 241, 228, 0.12);
  border-radius: 18px;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.arcade-card:hover, .arcade-card:focus-visible {
  border-color: rgba(45, 212, 191, 0.55);
  transform: translateY(-2px);
  outline: none;
}

.arcade-card__thumb { aspect-ratio: 16 / 9; background: #0b1220; overflow: hidden; }
.arcade-card__thumb img { width: 100%; height: 100%; object-fit: cover; image-rendering: pixelated; }
.arcade-card__thumb--contain img { object-fit: contain; padding: 18%; }
.arcade-card__body { padding: 16px 18px 18px; flex: 1; display: flex; flex-direction: column; gap: 8px; }
.arcade-card__meta { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.arcade-card__idx { font-size: 10px; letter-spacing: 0.18em; opacity: 0.5; text-transform: uppercase; }
.arcade-badge { font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; padding: 3px 9px; border-radius: 999px; border: 1px solid rgba(246, 241, 228, 0.25); }
.arcade-badge--play { color: var(--navy); background: var(--teal); border-color: var(--teal); }
.arcade-badge--concept { color: var(--gold); border-color: rgba(201, 162, 39, 0.45); }
.arcade-card h2 { font-size: 18px; }
.arcade-card p { font-size: 13px; line-height: 1.45; opacity: 0.72; }
.arcade-card__tags { margin-top: auto; display: flex; flex-wrap: wrap; gap: 6px; font-size: 10px; opacity: 0.55; }
.arcade-card__tags span { padding: 2px 8px; border-radius: 999px; background: rgba(246, 241, 228, 0.08); }
.arcade-note { margin-top: 32px; font-size: 12px; opacity: 0.5; line-height: 1.5; }

.back { color: var(--cream); font-size: 13px; text-decoration: none; opacity: 0.75; display: inline-block; margin-bottom: 18px; }
.screen { width: 100%; max-width: 920px; border-radius: 12px; display: block; margin: 18px 0 24px; }
.row { display: flex; flex-wrap: wrap; gap: 16px; }
figure { margin: 0; flex: 1 1 160px; text-align: center; padding: 14px; border-radius: 16px; background: rgba(246,241,228,0.04); border: 1px solid rgba(246,241,228,0.08); }
figure img { max-width: 100%; height: auto; image-rendering: pixelated; }
figcaption { margin-top: 8px; font-size: 12px; }
.note { opacity: 0.55; font-size: 13px; margin-top: 24px; }
.note code { color: var(--teal); }