/* =============================================================================
   SWAMPFIRE PROTOCOL — Minimal Surround UI
   Clean, modern layout with ad slots. Game canvas is the hero.
   ============================================================================= */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600&display=swap');

/* ── Reset + base ──────────────────────────────────────────────────────────── */

*, *::before, *::after { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  width: 100%;
  overflow: hidden;
  background: #0a0a0a;
  color: #999;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* ── Design tokens ─────────────────────────────────────────────────────────── */

:root {
  --accent:     #4fffaa;
  --accent-dim: rgba(79, 255, 170, 0.08);
  --surface:    #111111;
  --surface-2:  #161616;
  --border:     rgba(255, 255, 255, 0.06);
  --border-2:   rgba(255, 255, 255, 0.10);
  --text:       #e0e0e0;
  --text-muted: rgba(255, 255, 255, 0.40);
  --text-dim:   rgba(255, 255, 255, 0.18);
}

/* ── Layout grid ───────────────────────────────────────────────────────────── */

#arcade-cabinet {
  display: grid;
  grid-template-columns: 180px 1fr 180px;
  grid-template-rows: auto 1fr auto;
  grid-template-areas:
    "header  header  header"
    "left    screen  right"
    "footer  footer  footer";
  min-height: 100vh;
  background: #0a0a0a;
}

/* ── Header ────────────────────────────────────────────────────────────────── */

.cabinet-header {
  grid-area: header;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  height: 48px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.cabinet-title {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text);
  margin: 0;
  line-height: 1;
  white-space: nowrap;
}

.cabinet-title span {
  color: var(--accent);
}

/* Leaderboard ad */
.ad-leaderboard {
  flex: 1;
  max-width: 728px;
  height: 32px;
  margin: 0 24px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  text-transform: uppercase;
}

/* ── Side panels ───────────────────────────────────────────────────────────── */

.cabinet-panel {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface);
}

.cabinet-panel.left {
  grid-area: left;
  border-right: 1px solid var(--border);
}

.cabinet-panel.right {
  grid-area: right;
  border-left: 1px solid var(--border);
}

/* Skyscraper ad */
.ad-skyscraper {
  width: 160px;
  height: 600px;
  max-height: 80%;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  writing-mode: vertical-rl;
  font-size: 10px;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  text-transform: uppercase;
}

/* ── Game screen ───────────────────────────────────────────────────────────── */

.cabinet-screen {
  grid-area: screen;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
  background: #0a0a0a;
}

.crt-frame {
  position: relative;
  border-radius: 4px;
  border: 1px solid var(--border-2);
  background: #000;
  overflow: hidden;
  box-shadow: 0 0 40px rgba(0, 0, 0, 0.5);
}

#game-container { display: block; }

/* ── Footer ────────────────────────────────────────────────────────────────── */

.cabinet-footer {
  grid-area: footer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 24px;
  height: 40px;
  background: var(--surface);
  border-top: 1px solid var(--border);
  gap: 16px;
}

.footer-text {
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  white-space: nowrap;
}

.footer-sep {
  width: 1px;
  height: 16px;
  background: var(--border);
  flex-shrink: 0;
}

.footer-center {
  flex: 1;
  display: flex;
  justify-content: center;
}

.ad-footer-mini {
  height: 24px;
  width: min(468px, 90%);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  text-transform: uppercase;
}

/* ── Responsive ────────────────────────────────────────────────────────────── */

@media (max-width: 1400px) {
  #arcade-cabinet { grid-template-columns: 160px 1fr 160px; }
}

@media (max-width: 1100px) {
  #arcade-cabinet {
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr auto;
    grid-template-areas:
      "header"
      "screen"
      "footer";
  }
  .cabinet-panel { display: none; }
}

@media (max-width: 700px) {
  body { overflow: auto; }
  #arcade-cabinet { min-height: 100svh; }
  .cabinet-title { font-size: 11px; }
  .cabinet-header { padding: 0 12px; height: 42px; }
  .cabinet-footer { padding: 0 12px; height: 36px; }
  .ad-leaderboard { display: none; }
  .cabinet-screen { padding: 4px; }
}