:root {
  color-scheme: dark;
  font-family: 'Trebuchet MS', Arial, sans-serif;
  background: #080b17;
  color: #f3f4ff;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  --muted: #8187a5;
  --line: rgba(151, 160, 213, 0.14);
  --cyan: #68f1e2;
  --mono: 'Courier New', monospace;
}

* { box-sizing: border-box; }

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  background:
    radial-gradient(ellipse at 50% 42%, rgba(42, 39, 98, 0.28), transparent 48%),
    radial-gradient(ellipse at 50% 100%, rgba(17, 114, 125, 0.09), transparent 43%),
    #080b17;
}

body::before {
  position: fixed;
  z-index: -1;
  inset: 0;
  background-image: radial-gradient(rgba(199, 207, 255, 0.52) 0.7px, transparent 0.7px);
  background-size: 37px 37px;
  content: '';
  opacity: 0.15;
  pointer-events: none;
}

button { font: inherit; }

.arcade {
  width: min(1110px, calc(100% - 48px));
  margin: 0 auto;
}

.masthead {
  height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: #f5f6ff;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-decoration: none;
}

.wordmark-icon {
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  border: 1px solid rgba(104, 241, 226, 0.6);
  border-radius: 8px;
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 17px;
  box-shadow: inset 0 0 14px rgba(104, 241, 226, 0.14), 0 0 18px rgba(104, 241, 226, 0.09);
}

.wordmark-accent { margin-left: 5px; color: var(--cyan); }
.edition, .panel-label, .machine-caption, .hud-label, .machine-bottom, .page-footer, .overlay-eyebrow, .overlay-foot {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
}

.edition { display: flex; align-items: center; gap: 9px; color: #9ba1be; }
.status-dot { width: 6px; height: 6px; display: inline-block; border-radius: 50%; background: #70f4b5; box-shadow: 0 0 10px rgba(112, 244, 181, 0.8); }

.game-layout {
  display: grid;
  grid-template-columns: minmax(145px, 1fr) minmax(0, 480px) minmax(145px, 1fr);
  gap: clamp(22px, 5vw, 63px);
  align-items: center;
  padding: 45px 0 40px;
}

.side-panel { align-self: center; color: #a2a8c3; }
.panel-label { margin: 0 0 19px; color: #696f91; font-size: 9px; }
.mission-copy { margin: 0; color: #ecedff; font-size: 17px; font-weight: 600; line-height: 1.65; }
.panel-rule { height: 1px; margin: 25px 0 22px; background: var(--line); }

.control-row {
  display: flex;
  min-height: 32px;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  white-space: nowrap;
}
.control-row > span:last-child { margin-left: 5px; }
.keycap {
  display: inline-grid;
  min-width: 23px;
  height: 22px;
  place-items: center;
  border: 1px solid rgba(167, 174, 223, 0.19);
  border-radius: 4px;
  background: rgba(133, 143, 199, 0.08);
  color: #d8dcf6;
  font-family: var(--mono);
  font-size: 10px;
}
.wide-key { min-width: 49px; font-size: 8px; }
.touch-hint, .side-copy { color: #737a9b; font-size: 11px; line-height: 1.8; }
.touch-hint { margin: 0; }

.machine {
  min-width: 0;
  padding: 13px;
  border: 1px solid rgba(167, 174, 223, 0.18);
  border-radius: 13px;
  background: linear-gradient(145deg, rgba(34, 37, 65, 0.9), rgba(18, 20, 38, 0.95));
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.4), 0 0 55px rgba(83, 70, 175, 0.1), inset 0 1px rgba(255, 255, 255, 0.06);
}

.machine-top, .machine-bottom { display: flex; align-items: center; justify-content: space-between; color: #767d9e; }
.machine-top { height: 23px; padding: 0 5px 10px; }
.machine-caption { font-size: 9px; }
.live-indicator { display: flex; align-items: center; gap: 7px; color: #8d95b2; font-family: var(--mono); font-size: 9px; letter-spacing: 0.1em; }
.live-indicator .status-dot { width: 5px; height: 5px; }

.hud { display: grid; grid-template-columns: 1fr 1fr 1fr; align-items: center; padding: 12px 10px 14px; }
.hud-stat { display: flex; flex-direction: column; gap: 5px; }
.hud-center { align-items: center; }
.hud-right { align-items: flex-end; }
.hud-label { color: #7d83a3; font-size: 8px; }
.hud-value { color: #edf0ff; font-family: var(--mono); font-size: 15px; letter-spacing: 0.1em; font-variant-numeric: tabular-nums; }
.lives-value { color: #ff729a; font-size: 13px; letter-spacing: 0.14em; }

.screen-wrap {
  position: relative;
  width: 100%;
  overflow: hidden;
  border: 1px solid rgba(130, 163, 214, 0.19);
  border-radius: 5px;
  background: #0a1021;
  box-shadow: inset 0 0 35px rgba(59, 96, 159, 0.11), 0 0 24px rgba(104, 241, 226, 0.05);
}

canvas { display: block; width: 100%; height: auto; aspect-ratio: 3 / 4; touch-action: none; }

.overlay {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(7, 10, 24, 0.64);
  backdrop-filter: blur(5px);
  transition: opacity 180ms ease;
}
.overlay.is-hidden { opacity: 0; pointer-events: none; }
.overlay-card {
  width: min(100%, 310px);
  padding: 30px 20px;
  border: 1px solid rgba(153, 164, 219, 0.18);
  border-radius: 10px;
  background: linear-gradient(145deg, rgba(27, 31, 59, 0.97), rgba(16, 19, 39, 0.97));
  text-align: center;
  box-shadow: 0 18px 55px rgba(0, 0, 0, 0.38);
}
.overlay-eyebrow { margin-bottom: 12px; color: var(--cyan); font-size: 9px; }
.overlay h1 { margin: 0; font-size: clamp(32px, 8vw, 46px); font-weight: 700; letter-spacing: -0.055em; line-height: 0.98; }
.overlay h1 span { color: var(--cyan); }
.overlay p { margin: 14px 0 20px; color: #a0a6c2; font-size: 12px; line-height: 1.7; }
.start-button {
  display: flex;
  width: 100%;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  gap: 12px;
  border: 1px solid rgba(104, 241, 226, 0.6);
  border-radius: 6px;
  background: linear-gradient(110deg, #62e8da, #8bf4c4);
  color: #101c2c;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  transition: transform 140ms ease, filter 140ms ease, box-shadow 140ms ease;
  box-shadow: 0 0 25px rgba(104, 241, 226, 0.18);
}
.start-button:hover { filter: brightness(1.08); transform: translateY(-1px); box-shadow: 0 0 28px rgba(104, 241, 226, 0.28); }
.start-button:active { transform: translateY(1px); }
.start-button:focus-visible, .utility-button:focus-visible { outline: 2px solid white; outline-offset: 3px; }
.overlay-foot { display: inline-block; margin-top: 16px; color: #737a9b; font-size: 8px; }

.machine-bottom { min-height: 31px; padding: 10px 5px 0; font-size: 8px; }
.machine-bottom > span:first-child { color: #8e95b3; }
.machine-bottom > span:first-child::first-letter { color: #f7c96a; }
.utility-button {
  display: flex;
  width: 100%;
  min-height: 37px;
  align-items: center;
  gap: 10px;
  margin: 7px 0;
  padding: 0 11px;
  border: 1px solid rgba(167, 174, 223, 0.16);
  border-radius: 5px;
  background: rgba(133, 143, 199, 0.06);
  color: #d1d6f1;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 13px;
  text-align: left;
  transition: background 140ms ease, border-color 140ms ease;
}
.utility-button span { font-size: 9px; letter-spacing: 0.11em; }
.utility-button:hover:not(:disabled) { border-color: rgba(104, 241, 226, 0.43); background: rgba(104, 241, 226, 0.08); }
.utility-button:disabled { cursor: default; opacity: 0.4; }
.legend-item { display: flex; align-items: center; gap: 10px; margin: 15px 0; color: #9da3c0; font-size: 11px; white-space: nowrap; }
.brick-swatch { width: 17px; height: 9px; border-radius: 2px; box-shadow: 0 0 10px currentColor; }
.swatch-coral { color: var(--c-coral, #ff6487); background: currentColor; }
.swatch-gold { color: var(--c-gold, #ffcc6d); background: currentColor; }
.swatch-blue { color: var(--c-blue, #65c9ff); background: currentColor; }
.swatch-violet { color: var(--c-violet, #ab8cff); background: currentColor; }
.swatch-green { color: var(--c-green, #7dff9b); background: currentColor; }
.swatch-orange { color: var(--c-orange, #ff8a3d); background: currentColor; }

.side-copy { margin: -4px 0 0; }

.guide { position: fixed; inset: 0; z-index: 20; display: grid; place-items: center; padding: 16px; background: rgba(5, 7, 18, 0.8); backdrop-filter: blur(4px); }
.guide[hidden] { display: none; }
.guide-card { width: min(560px, 100%); max-height: 92vh; overflow-y: auto; padding: 18px 20px; border: 1px solid rgba(153, 164, 219, 0.25); border-radius: 12px; background: linear-gradient(145deg, #1b1f3b, #10132b); }
.guide-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; color: var(--cyan); font-family: var(--mono); letter-spacing: 0.14em; }
.guide-close { width: auto; margin: 0; }
.guide-row { display: flex; align-items: center; gap: 14px; padding: 8px 0; border-top: 1px solid var(--line); }
.guide-row canvas { flex: none; width: 56px; height: 56px; }
.guide-row strong { color: #f0f2ff; font-size: 14px; }
.guide-row p { margin: 4px 0 0; color: #a0a6c2; font-size: 12px; line-height: 1.5; }
.tag { margin-left: 6px; padding: 1px 6px; border-radius: 4px; font-family: var(--mono); font-size: 9px; letter-spacing: 0.1em; }
.tag-good { background: rgba(125, 255, 155, 0.18); color: #7dff9b; }
.tag-bad { background: rgba(255, 100, 135, 0.18); color: #ff6487; }
.god-panel { position: fixed; left: 16px; bottom: 16px; z-index: 10; display: grid; gap: 8px; padding: 12px 14px; border: 1px solid rgba(255, 79, 216, 0.6); border-radius: 8px; background: rgba(20, 10, 32, 0.92); color: #f3c9ec; font-family: var(--mono); font-size: 11px; box-shadow: 0 0 24px rgba(255, 79, 216, 0.25); }
.god-panel[hidden] { display: none; }
.god-title { color: #ff4fd8; font-weight: 700; letter-spacing: 0.14em; }
.god-panel b { color: #ff4fd8; }

/* Game-only page: just the machine, sized to fit the window height */
.arcade { width: 100%; }
.game-layout { display: flex; justify-content: center; padding: 12px; }
.game-layout .machine { width: min(100%, 480px, calc((100vh - 140px) * 0.75 + 24px)); }
.overlay-foot { text-align: center; }

.options-view { width: min(560px, 94vw); max-height: 92vh; }
.options-menu { display: flex; flex-direction: column; align-items: center; gap: 14px; }
.tab-panels { width: 100%; min-height: 0; overflow-y: auto; max-height: calc(92vh - 190px); padding: 4px 6px; }
.options-menu[hidden] { display: none; }
.tab-panels[hidden] { display: none; }
.tab-panel { width: 100%; }
.tab-panel[hidden] { display: none; }
.tab-panel .theme-list { width: 100%; grid-template-columns: repeat(2, 1fr); }
.tab-panel .mission-copy { margin: 4px 0 12px; font-size: 15px; }
.tab-panel .legend-item { white-space: normal; margin: 12px 0; }
.tab-panel .side-copy { margin: 14px 0 0; }
.tab-panel .control-row { white-space: normal; }
body[data-theme='glossy'] .tab-panel .legend-item, body[data-theme='glossy'] .tab-panel .side-copy, body[data-theme='glossy'] .tab-panel .control-row, body[data-theme='glossy'] .tab-panel .mission-copy { color: #7a1f55; }
body[data-theme='glossy'] .tab-panel .keycap { background: #fff; }
@media (max-width: 520px) { .tab-panel .theme-list { grid-template-columns: 1fr; } }

.entry { margin: 0 0 14px; }
.entry[hidden], .welcome[hidden], .menu-view[hidden], .menu-button[hidden] { display: none; }
.entry input { width: 7ch; padding: 6px 8px; border: 2px solid var(--cyan); border-radius: 8px; background: rgba(0, 0, 0, 0.4); color: #fff; font: 700 32px var(--mono); letter-spacing: 0.25em; text-align: center; text-transform: uppercase; }
.welcome { position: fixed; inset: 0; z-index: 30; background: #080b17; }
.welcome #welcome-bg { position: absolute; inset: 0; width: 100%; height: 100%; }
.welcome-body { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: safe center; gap: 18px; overflow-y: auto; padding: 16px; }
.welcome-title { margin: 0; font-size: clamp(34px, 8vw, 76px); letter-spacing: 0.06em; text-shadow: 0 0 28px rgba(0, 0, 0, 0.9), 0 0 12px rgba(0, 0, 0, 0.9); }
.menu-view { display: flex; flex-direction: column; align-items: center; gap: 14px; padding: 22px 26px; border-radius: 14px; background: rgba(8, 11, 23, 0.72); backdrop-filter: blur(3px); }
.welcome-title .wordmark-accent { margin-left: 0.25em; }
.menu-view h2 { margin: 0; color: var(--cyan); font-family: var(--mono); letter-spacing: 0.2em; }
.menu-button { width: 260px; padding: 14px 18px; border: 2px solid var(--cyan); border-radius: 10px; background: rgba(104, 241, 226, 0.1); color: #fff; font: 700 16px var(--mono); letter-spacing: 0.18em; cursor: pointer; }
.menu-button:hover, .menu-button:focus-visible { background: var(--cyan); color: #080b17; }
.score-list { width: 320px; margin: 0; padding: 0; list-style: none; font-family: var(--mono); }
.score-list li { display: grid; grid-template-columns: 34px 54px 1fr 40px; padding: 5px 0; border-bottom: 1px solid var(--line); }
.score-list b { color: var(--cyan); letter-spacing: 0.15em; }
.score-list i { font-style: normal; text-align: right; }
.score-list em { color: var(--muted); font-style: normal; text-align: right; }
.theme-list { display: grid; gap: 10px; width: min(340px, 86vw); }
.theme-option { display: grid; gap: 4px; padding: 10px 14px; border: 2px solid var(--line); border-radius: 10px; background: rgba(255, 255, 255, 0.04); color: #fff; text-align: left; cursor: pointer; }
.theme-option.is-active { border-color: var(--cyan); background: rgba(104, 241, 226, 0.12); }
.theme-option small { color: var(--muted); }
.theme-option .dots i { display: inline-block; width: 14px; height: 14px; margin-right: 4px; border-radius: 50%; }

/* Retro: early-90s arcade */
body[data-theme='retro'] { --cyan: #39ff14; --mono: 'Courier New', monospace; --line: rgba(57, 255, 20, 0.25); background: #000; font-family: 'Courier New', monospace; }
body[data-theme='retro'] * { border-radius: 0 !important; text-shadow: none !important; }
body[data-theme='retro'] .machine, body[data-theme='retro'] .guide-card, body[data-theme='retro'] .menu-view { background: #000; border: 3px solid #39ff14; box-shadow: 4px 4px 0 #ffe600; }
body[data-theme='retro'] .welcome { background: #000; }
body[data-theme='retro'] .screen-wrap::after { content: ''; position: absolute; inset: 0; pointer-events: none; background: repeating-linear-gradient(0deg, rgba(0, 0, 0, 0.28) 0 1px, transparent 1px 3px); }
body[data-theme='retro'] .menu-button, body[data-theme='retro'] .start-button, body[data-theme='retro'] .utility-button { background: #000; color: #ffe600; border: 3px solid #ffe600; box-shadow: 3px 3px 0 #ff2bd6; }
body[data-theme='retro'] .menu-button:hover, body[data-theme='retro'] .start-button:hover { background: #ffe600; color: #000; }
body[data-theme='retro'] .overlay h1 span, body[data-theme='retro'] .wordmark-accent { color: #ffe600; }

/* Cat: warm and whiskery */
body[data-theme='cat'] { --cyan: #ff9a3c; --line: rgba(255, 190, 120, 0.25); background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='150' height='150'%3E%3Cg fill='%23ffb86b' fill-opacity='.09' transform='rotate(-25 40 40)'%3E%3Cellipse cx='40' cy='46' rx='11' ry='9'/%3E%3Ccircle cx='26' cy='34' r='4.5'/%3E%3Ccircle cx='35' cy='25' r='4.5'/%3E%3Ccircle cx='46' cy='25' r='4.5'/%3E%3Ccircle cx='55' cy='34' r='4.5'/%3E%3C/g%3E%3Cg fill='%23ffb86b' fill-opacity='.09' transform='rotate(-25 110 115)'%3E%3Cellipse cx='110' cy='121' rx='11' ry='9'/%3E%3Ccircle cx='96' cy='109' r='4.5'/%3E%3Ccircle cx='105' cy='100' r='4.5'/%3E%3Ccircle cx='116' cy='100' r='4.5'/%3E%3Ccircle cx='125' cy='109' r='4.5'/%3E%3C/g%3E%3C/svg%3E"), radial-gradient(ellipse at 50% 40%, #4a2c1a, #24150c); }
body[data-theme='cat'] .wordmark-accent::after { content: ' 🐾'; font-size: 0.9em; }
body[data-theme='cat'] .screen-wrap { border-radius: 18px; box-shadow: 0 0 0 3px #ffb86b, 0 0 0 7px rgba(255, 184, 107, 0.25); }
body[data-theme='cat'] .menu-view::before { content: '🐾  🐾  🐾'; color: #ffb86b; letter-spacing: 0.3em; }
body[data-theme='cat'] .menu-button::before { content: '🐾 '; }
body[data-theme='cat'] .machine { position: relative; border-radius: 28px; border: 3px solid #ffb86b; background: linear-gradient(160deg, #5a3820, #2f1c10); }
body[data-theme='cat'] .machine::before, body[data-theme='cat'] .machine::after { content: ''; position: absolute; top: -22px; width: 0; height: 0; border-left: 22px solid transparent; border-right: 22px solid transparent; border-bottom: 34px solid #ffb86b; }
body[data-theme='cat'] .machine::before { left: 36px; transform: rotate(-12deg); }
body[data-theme='cat'] .machine::after { right: 36px; transform: rotate(12deg); }
body[data-theme='cat'] .menu-view, body[data-theme='cat'] .guide-card { background: rgba(60, 35, 20, 0.88); border: 2px solid #ffb86b; border-radius: 22px; }
body[data-theme='cat'] .menu-button, body[data-theme='cat'] .start-button, body[data-theme='cat'] .utility-button { border-color: #ffb86b; border-radius: 999px; background: rgba(255, 154, 60, 0.18); color: #fff3e0; }
body[data-theme='cat'] .menu-button:hover, body[data-theme='cat'] .start-button:hover { background: #ff9a3c; color: #2f1c10; }

/* Glossy: pink and shiny */
body[data-theme='glossy'] { --cyan: #e0457b; --line: rgba(255, 255, 255, 0.5); color: #7a1f55; background: radial-gradient(ellipse at 30% 10%, #ffffff, transparent 55%), radial-gradient(ellipse at 90% 90%, #f1e2bd, transparent 55%), linear-gradient(160deg, #fffaf6, #ffe1ee 55%, #f6e9cf); }
body[data-theme='glossy'] .machine, body[data-theme='glossy'] .guide-card, body[data-theme='glossy'] .menu-view { background: linear-gradient(180deg, rgba(255, 255, 255, 0.7), rgba(255, 225, 238, 0.45) 50%, rgba(246, 233, 207, 0.55)); backdrop-filter: blur(10px) saturate(1.3); border: 1.5px solid rgba(255, 255, 255, 0.9); border-radius: 24px; color: #7a1f55; box-shadow: 0 12px 32px rgba(214, 90, 140, 0.25), inset 0 2px 0 #fff, inset 0 -10px 24px rgba(255, 255, 255, 0.35); }
body[data-theme='glossy'] .menu-button, body[data-theme='glossy'] .start-button, body[data-theme='glossy'] .utility-button { border: 1.5px solid #fff; border-radius: 999px; background: linear-gradient(180deg, rgba(255, 255, 255, 0.85) 0%, rgba(255, 170, 208, 0.75) 50%, rgba(240, 120, 170, 0.8) 51%, rgba(255, 190, 220, 0.85) 100%); color: #7a1f55; text-shadow: 0 1px 0 rgba(255, 255, 255, 0.8); box-shadow: 0 4px 12px rgba(214, 90, 140, 0.3), inset 0 2px 0 rgba(255, 255, 255, 0.9); }
body[data-theme='glossy'] .menu-button:hover, body[data-theme='glossy'] .start-button:hover { color: #fff; text-shadow: 0 1px 2px rgba(150, 0, 80, 0.5); background: linear-gradient(180deg, #ffd1e6 0%, #ff7fb4 50%, #e0457b 51%, #ff86b8 100%); }
body[data-theme='glossy'] .welcome-title, body[data-theme='glossy'] .masthead, body[data-theme='glossy'] .side-panel, body[data-theme='glossy'] .page-footer, body[data-theme='glossy'] .hud-label, body[data-theme='glossy'] .legend-item, body[data-theme='glossy'] .side-copy, body[data-theme='glossy'] .mission-copy, body[data-theme='glossy'] .touch-hint, body[data-theme='glossy'] .machine-bottom, body[data-theme='glossy'] .guide-row strong, body[data-theme='glossy'] .guide-row p { color: #7a1f55; }
body[data-theme='glossy'] .hud-value { color: #c4167a; }
body[data-theme='glossy'] .welcome-title { text-shadow: 0 2px 0 #fff; }
body[data-theme='glossy'] .score-list li, body[data-theme='glossy'] .theme-option { color: #7a1f55; }
body[data-theme='glossy'] .keycap { background: rgba(255, 255, 255, 0.85); border-color: #e48ab4; color: #7a1f55; }
body[data-theme='glossy'] .wordmark { color: #7a1f55; }
body[data-theme='glossy'] .screen-wrap { background: #fff6fa; border: 2px solid #fff; box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.6), 0 6px 18px rgba(214, 90, 140, 0.3); }
body[data-theme='glossy'] .overlay { background: rgba(255, 240, 248, 0.45); }
body[data-theme='glossy'] .edition, body[data-theme='glossy'] .panel-label, body[data-theme='glossy'] .machine-caption, body[data-theme='glossy'] .mission-copy { color: #8a3563; }
body[data-theme='glossy'] .control-row, body[data-theme='glossy'] .side-panel, body[data-theme='glossy'] .overlay-foot { color: #7a1f55; }
body[data-theme='glossy'] .theme-option { background: rgba(255, 255, 255, 0.5); }
body[data-theme='glossy'] .overlay-card { background: linear-gradient(180deg, rgba(255, 240, 249, 0.95), rgba(255, 170, 216, 0.95)); border: 2px solid #fff; color: #7a1f55; }
body[data-theme='glossy'] .overlay h1, body[data-theme='glossy'] .overlay-card p { color: #7a1f55; }
body[data-theme='glossy'] .overlay h1 span { color: #ff2f96; }

.page-footer { display: flex; justify-content: space-between; padding: 17px 0 24px; border-top: 1px solid var(--line); color: #656b88; font-size: 8px; }

@media (max-width: 820px) {
  .game-layout { grid-template-columns: minmax(0, 480px); justify-content: center; gap: 22px; padding-top: 28px; }
  .side-panel { display: none; }
}

@media (max-width: 520px) {
  .arcade { width: min(100% - 24px, 480px); }
  .masthead { height: 65px; }
  .wordmark { gap: 8px; font-size: 12px; }
  .wordmark-icon { width: 27px; height: 27px; }
  .edition { font-size: 8px; }
  .game-layout { padding: 20px 0 25px; }
  .machine { padding: 9px; border-radius: 10px; }
  .hud { padding: 10px 6px 12px; }
  .hud-value { font-size: 13px; }
  .lives-value { font-size: 11px; }
  .overlay-card { padding: 23px 17px; }
  .page-footer { gap: 10px; font-size: 7px; }
  .page-footer span:last-child { text-align: right; }
}

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