/* Site-wide arcade pieces: arcade buttons, LEDs, full-bleed colour bands. */

/* Arcade button: a real bottom edge and a real press. */
.btn--arcade {
  --e: color-mix(in srgb, var(--accent) 55%, #000);
  position: relative; min-height: 52px; padding: 0 24px; border: 0; border-radius: 0;
  font: 400 22px/1 var(--pixel); letter-spacing: 0; color: var(--accent-ink); background: var(--accent);
  box-shadow: 0 5px 0 var(--e); transform: translateY(0); margin-bottom: 5px;
  transition: transform .08s, box-shadow .08s, background .15s;
}
.btn--arcade::before { content: ""; position: absolute; inset: 0; pointer-events: none; box-shadow: inset 0 2px 0 rgba(255, 255, 255, .35), inset 0 -2px 0 rgba(0, 0, 0, .18); }
.btn--arcade:hover { background: color-mix(in srgb, var(--accent) 85%, #fff); border: 0; }
.btn--arcade:active { transform: translateY(4px); box-shadow: 0 1px 0 var(--e); }
.btn--arcade:focus-visible { outline: 2px solid var(--fg-0); outline-offset: 4px; }
.btn--xl { min-height: 64px; padding: 0 32px; }
/* never wider than its column: on narrow phones the label wraps instead of overflowing */
.btn--arcade { max-width: 100%; }
@media (max-width: 400px) { .btn--arcade { white-space: normal; text-align: center; justify-content: center; padding-block: 10px; } }
/* paper: the light hover mix drops the label under 4.5:1, so darken instead */
[data-theme="paper"] .btn--arcade:hover { background: var(--accent-2); }
.btn--ghost { background: transparent; border-color: var(--line-2); box-shadow: none; }
.btn--ghost:hover { border-color: var(--fg-1); background: color-mix(in srgb, var(--fg-0) 5%, transparent); }

.led { display: inline-block; width: 8px; height: 8px; margin-right: 10px; background: var(--accent); vertical-align: 1px; box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 22%, transparent); animation: led 2.2s steps(1) infinite; }
@keyframes led { 0%, 70% { opacity: 1; } 71%, 78% { opacity: .25; } 79%, 100% { opacity: 1; } }

.band { position: relative; padding: clamp(72px, 9vw, 128px) 0; }
.band--slate { background: var(--block, var(--bg-2)); }
.band--deep { background: color-mix(in srgb, var(--bg-0) 62%, #000); }
[data-theme="paper"] .band--deep { background: var(--bg-2); }
[data-theme="paper"] .band--slate { background: var(--bg-3); --accent: var(--accent-2); --warn: #7a4f0f; --fg-2: var(--fg-1); }   /* AA on #ddd7ca: accent 5.9, warn 5.0, fg-2 7.0 */
[data-theme="paper"] .band--slate .input { background: var(--bg-1); }
.band--slate .pane__t, .band--slate .input { background: var(--block, var(--bg-2)); }

@media (prefers-reduced-motion: reduce) { .led { animation: none; } }

/* ---------- Footer coin arena (arena.js): a short pixel stage above the footer grid ---------- */
.arena {
  --u: 4px; position: relative; max-width: 820px; height: calc(var(--ua, var(--u)) * 40); margin: -16px auto 40px; overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent); mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
}
.arena canvas { display: block; margin: 0 auto; image-rendering: pixelated; }
.arena__coin {
  position: absolute; left: 50%; top: calc(var(--ua, var(--u)) * 5); width: calc(var(--ua, var(--u)) * 18); height: calc(var(--ua, var(--u)) * 18);
  margin-left: calc(var(--ua, var(--u)) * -9); padding: 0; border: 0; background: transparent; cursor: pointer; -webkit-tap-highlight-color: transparent;
}
.arena__coin:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
@media (max-width: 640px) { .arena { --u: 3px; margin: -20px auto 32px; } }

/* ---------- Hidden quarters (quest.js) ---------- */
.qq.qq {
  position: relative; display: inline-grid; place-items: center; width: 24px; height: 24px; margin: -6px 0; padding: 0; vertical-align: middle;
  font: inherit; color: var(--warn); background: none; border: 0; border-radius: 0; opacity: .72; cursor: pointer; -webkit-tap-highlight-color: transparent;
}
.qq svg { width: 12px; height: 12px; fill: currentColor; animation: qq-bob 3s steps(1) infinite; }
.qq[data-qq="menu"] svg { animation-delay: -.8s; }
.qq[data-qq="theme"] svg { animation-delay: -1.9s; }
.qq[data-qq="copy"] svg { animation-delay: -2.4s; }
.qq.qq:hover, .qq.qq:focus-visible { color: var(--accent); opacity: 1; }
.qq.qq:focus-visible { outline: 2px solid var(--accent); outline-offset: 0; }
@keyframes qq-bob { 0% { transform: translateY(0); } 50% { transform: translateY(-2px); } }
.nav__in > .qq { margin-left: -16px; }
.hud > .qq { margin-left: 8px; }
.qq-slot > .qq { margin-left: 2px; }
.themes .qq-slot { display: inline-flex; align-items: center; }
.qq.qq.is-got { color: var(--accent); opacity: 1; cursor: default; }
.qq.is-got svg { animation: qq-got .45s steps(5) forwards; }
.qq.is-got::before {
  content: ""; position: absolute; left: 50%; top: 50%; width: 2px; height: 2px; margin: -1px 0 0 -1px;
  box-shadow: -7px -7px var(--accent), 7px -7px var(--accent), -7px 7px var(--accent), 7px 7px var(--accent);
  animation: qq-spark .42s steps(3) forwards;
}
.qq__n { position: absolute; left: 50%; top: -6px; font: 400 11px/1 var(--pixel); color: var(--accent); white-space: nowrap; pointer-events: none; transform: translateX(-50%); animation: qq-n .9s steps(6) forwards; }
.sys .qq__n, .hud .qq__n { top: 18px; animation-name: qq-n-down; }
@keyframes qq-got { 40% { transform: translateY(-6px) scale(1.5); opacity: 1; } 100% { transform: translateY(-10px) scale(.5); opacity: 0; } }
@keyframes qq-spark { from { transform: scale(.5); opacity: 1; } to { transform: scale(1.7); opacity: 0; } }
@keyframes qq-n { 0% { transform: translate(-50%, 6px); opacity: 0; } 20%, 70% { opacity: 1; } 100% { transform: translate(-50%, -12px); opacity: 0; } }
@keyframes qq-n-down { 0% { transform: translate(-50%, -6px); opacity: 0; } 20%, 70% { opacity: 1; } 100% { transform: translate(-50%, 8px); opacity: 0; } }

/* the counter that appears in the menu HUD (or the old status strip) once one is found */
.qq-count { white-space: nowrap; }
.qq-count svg { display: none; width: 8px; height: 8px; margin-right: 5px; fill: currentColor; vertical-align: 0; }
.sel__top > .qq-count { margin-left: 12px; font: 400 11px/1 var(--pixel); letter-spacing: .1em; text-transform: uppercase; color: var(--fg-2); }
.sel__top > .qq-count.is-whole { color: var(--accent); }
.sel__top > .qq { margin-left: 0; }
@media (max-width: 699px) {
  .qq-count svg { display: inline-block; }
  .qq-count__w { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
}
@media (max-width: 359px) { .sel__top > .qq-count { display: none; } }
.qq-count.is-whole { color: var(--accent); }
.sys:has(.is-bump) { opacity: 1; }
.qq-count.is-bump { animation: qq-bump 1.2s steps(1); }
@keyframes qq-bump { 0%, 70% { color: var(--accent); } }

/* 4/4: the reward toast; four quarters snap together into a whole */
.qq-toast {
  position: fixed; z-index: 160; left: 50%; bottom: 20px; display: flex; align-items: center; gap: 16px;
  width: max-content; max-width: calc(100vw - 32px); padding: 12px 10px 12px 16px; transform: translateX(-50%);
  background: color-mix(in srgb, var(--bg-0) 90%, #000); border: 1px solid color-mix(in srgb, var(--accent) 40%, transparent);
  color: var(--fg-1); font: 400 15px/1.45 var(--sans); animation: qq-in .3s steps(4) both;
}
.qq-toast p { margin: 0; display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 12px; }
.qq-toast b { font: 400 22px/1.1 var(--pixel); }
.qq-toast a { color: var(--fg-0); text-decoration-color: var(--accent); }
.qq-toast a:hover { color: var(--accent); }
.qq-toast__coin { width: 36px; height: 36px; flex: none; }
.qq-toast__q { animation: qq-join .5s steps(3) both; animation-delay: calc(var(--i) * .14s + .25s); }
.qq-toast__x { flex: none; display: grid; place-items: center; width: 32px; height: 32px; padding: 0; border: 0; background: none; color: var(--fg-2); cursor: pointer; }
.qq-toast__x svg { width: 14px; height: 14px; fill: currentColor; }
.qq-toast__x:hover { color: var(--fg-0); }
.qq-toast.is-out { animation: qq-out .2s steps(3) both; }
@keyframes qq-in { from { transform: translate(-50%, 24px); opacity: 0; } to { transform: translate(-50%, 0); opacity: 1; } }
@keyframes qq-out { to { transform: translate(-50%, 24px); opacity: 0; } }
@keyframes qq-join { from { transform: translate(var(--dx), var(--dy)); opacity: 0; } 34% { opacity: 1; } to { transform: none; opacity: 1; } }
@media (max-width: 640px) { .qq-toast { bottom: 12px; gap: 12px; } .qq-toast b { font-size: 16.5px; white-space: nowrap; } }

/* the nav logo pops its quarter on hover: seats it (whole again), then pops it back out */
.brand.qq-wig svg path:last-child { animation: qq-wig .6s steps(1) both; }
@keyframes qq-wig { 0% { transform: translate(-2px, 2px); } 22% { transform: translate(-1px, 1px); } 40% { transform: translate(1px, -1px); } 62% { transform: none; } 76% { transform: translate(1px, -1px); } 90%, 100% { transform: none; } }

/* arcade buttons: a one-frame pixel flash on press */
.btn--arcade.qq-flash { background: color-mix(in srgb, var(--accent) 40%, #fff); transition: none; }
.btn--arcade.qq-flash::after {
  content: ""; position: absolute; inset: -8px; pointer-events: none;
  background:
    linear-gradient(var(--accent), var(--accent)) 0 0 / 4px 4px no-repeat, linear-gradient(var(--accent), var(--accent)) 100% 0 / 4px 4px no-repeat,
    linear-gradient(var(--accent), var(--accent)) 0 100% / 4px 4px no-repeat, linear-gradient(var(--accent), var(--accent)) 100% 100% / 4px 4px no-repeat;
}

@media print { .arena, .qq, .qq-toast { display: none; } }

/* hidden quarters read as treasure, not a glitch: butter gold with a glint every few seconds */
.qq.qq::after { content: ""; position: absolute; width: 2px; height: 2px; left: 13px; top: 7px; background: var(--fg-0); box-shadow: 2px 0 0 color-mix(in srgb, var(--fg-0) 55%, transparent), -2px 0 0 color-mix(in srgb, var(--fg-0) 55%, transparent), 0 2px 0 color-mix(in srgb, var(--fg-0) 55%, transparent), 0 -2px 0 color-mix(in srgb, var(--fg-0) 55%, transparent); opacity: 0; animation: qq-glint 5.5s steps(1) infinite; pointer-events: none; }
.qq[data-qq="theme"]::after { animation-delay: -2.2s; } .qq[data-qq="copy"]::after { animation-delay: -3.9s; } .qq[data-qq="menu"]::after { animation-delay: -1.1s; }
.qq.is-got::after { display: none; }
@keyframes qq-glint { 0%, 92% { opacity: 0; } 93%, 97% { opacity: 1; } }
/* the footer logo plays the quarter pop on its own now and then, and on hover */
.foot .brand.qq-wig svg path:last-child, footer .brand.qq-wig svg path:last-child { animation: qq-wig .6s steps(1) both; }
@media (prefers-reduced-motion: reduce) { .qq.qq::after { animation: none; } }
/* Windows High Contrast: the Book button keeps its box (it is background-only otherwise) */
@media (forced-colors: active) { .btn--arcade, .btn--arcade:hover { border: 2px solid ButtonText; } }