:root {
  --bg: #161518;
  --ink: #101010;
  --parch: rgb(247, 206, 140);
  --parch-light: rgb(239, 231, 173);
  --rim: rgb(90, 57, 16);
  --rim2: rgb(156, 99, 33);
  color-scheme: dark;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: #e8e0d0;
  font: 14px/1.4 Georgia, "Times New Roman", serif;
  overscroll-behavior: none;
  overflow: hidden;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  user-select: none;
}

#app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  height: 100dvh;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}

#stage {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

#screen {
  image-rendering: pixelated;
  background: #000;
  touch-action: none;
}

#toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
  justify-content: center;
  padding: 6px 16px;
}

#toolbar button {
  font: 13px system-ui, sans-serif;
  color: #ece8f1;
  background: #35313d;
  border: 0;
  border-radius: 8px;
  padding: 10px 14px;
  cursor: pointer;
}
#btn-close-menu { display: none; }
button:focus-visible, summary:focus-visible, .pick:focus-within { outline: 2px solid #c7b2e4; outline-offset: 3px; }

#rom-panel button, .pick {
  font: inherit;
  color: var(--ink);
  background: var(--parch);
  border: 2px solid var(--rim);
  border-radius: 3px;
  padding: 4px 10px;
  cursor: pointer;
  box-shadow: inset 0 0 0 1px var(--rim2);
}
#toolbar button:disabled { opacity: 0.45; cursor: default; }
#toolbar button:not(:disabled):hover { background: #484151; }
.pick:hover { background: var(--parch-light); }

#help { font-size: 12px; max-width: 560px; }
#help summary { cursor: pointer; padding: 4px 8px; }
#help p { margin: 4px 0; color: #c8c0b0; }
#modules { font-family: ui-monospace, Menlo, monospace; font-size: 11px; }

#rom-panel {
  position: fixed;
  inset: 50% auto auto 50%;
  transform: translate(-50%, -50%);
  width: min(460px, calc(100vw - 32px));
  padding: 20px 24px;
  color: var(--ink);
  z-index: 10;
  max-height: calc(100dvh - env(safe-area-inset-top) - env(safe-area-inset-bottom) - 24px);
  overflow-y: auto;
  touch-action: pan-y;
}
#rom-panel[hidden] { display: none; }
#rom-panel h1 { font-size: 20px; margin: 0 0 8px; }
#rom-panel p { margin: 8px 0; }
#rom-panel .hint { font-size: 12px; color: #5a3910; }
#rom-status { min-height: 1.4em; font-weight: bold; color: #7a1a08; word-break: break-word; }
.pick { display: inline-block; margin: 6px 0; }
.pick input { display: none; }

.parchment {
  background:
    radial-gradient(circle at 20% 30%, rgba(255, 255, 206, 0.6), transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(239, 231, 173, 0.7), transparent 45%),
    var(--parch);
  border: 3px solid var(--rim);
  box-shadow: inset 0 0 0 2px var(--rim2), inset 0 0 18px rgba(156, 99, 33, 0.55), 0 10px 40px rgba(0, 0, 0, 0.6);
  border-radius: 4px;
}

/* controllerSkinApprox: original CSS/SVG artwork, mapped to a 320×274 portrait shell. */
#touch, #touch[hidden] { display: none; }
body.touch-on { background: #000; }
body.touch-on #app { position: relative; }
body.touch-on #stage { flex: 0 1 auto; width: 100%; aspect-ratio: 256 / 224; background: #000; }
body.touch-on #toolbar { display: none; }
body.touch-on #touch:not([hidden]) {
  --u: calc(100cqw / 320);
  display: block;
  position: relative;
  container-type: inline-size;
  /* anchored to the bottom like the reference skin; the gap above it stays black */
  flex: 0 0 auto;
  margin-top: auto;
  height: calc((100vw - env(safe-area-inset-left) - env(safe-area-inset-right)) * 274 / 320);
  background: #dcdcdc;
  touch-action: none;
}
#touch::before { content: ""; position: absolute; inset: 0 0 auto; height: calc(12 * var(--u)); background: #000; }
#touch::after { content: ""; position: absolute; inset: auto 0 calc(-1 * env(safe-area-inset-bottom)); height: env(safe-area-inset-bottom); background: #dcdcdc; pointer-events: none; }
#touch button, #touch .dpad {
  --touch-border: 0;
  --touch-size: 21;
  --touch-top: 8; --touch-right: 8; --touch-bottom: 8; --touch-left: 8;
  position: absolute;
  padding: 0;
  touch-action: none;
  -webkit-tap-highlight-color: transparent;
}
/* Pseudo elements receive down events throughout the same extended areas used by Input. */
#touch button::before, #touch .dpad::before {
  content: "";
  position: absolute;
  inset: calc(-1 * (var(--touch-top) + var(--touch-border)) * var(--u)) calc(-1 * (var(--touch-right) + var(--touch-border)) * var(--u)) calc(-1 * (var(--touch-bottom) + var(--touch-border)) * var(--u)) calc(-1 * (var(--touch-left) + var(--touch-border)) * var(--u));
}
#touch button {
  --touch-border: 2;
  display: flex; align-items: center; justify-content: center;
  font: 700 calc(22 * var(--u)) / 1 Arial, sans-serif;
  cursor: pointer;
}
#touch .shoulder button {
  --touch-size: 97; --touch-top: 0; --touch-right: 0; --touch-left: 0; --touch-bottom: 8;
  top: 0; width: calc(97 * var(--u)); height: calc(29 * var(--u));
  border: calc(2 * var(--u)) solid #111;
  background: linear-gradient(#363636, #2b2b2b 35%, #222);
  color: #1a1a1a;
  font-size: calc(23 * var(--u));
  box-shadow: inset 0 calc(2 * var(--u)) calc(2 * var(--u)) #ffffff0d;
}
#touch [data-btn="l"] { left: 0; border-radius: 0 0 calc(25 * var(--u)) 0; }
#touch [data-btn="r"] { right: 0; border-radius: 0 0 0 calc(25 * var(--u)); }
#touch .dpad {
  --touch-size: 132;
  --touch-top: 15; --touch-right: 15; --touch-bottom: 15; --touch-left: 15;
  left: calc(6 * var(--u)); top: calc(56 * var(--u));
  width: calc(132 * var(--u)); height: calc(132 * var(--u));
  display: grid; grid-template: repeat(3, 1fr) / repeat(3, 1fr);
  filter: drop-shadow(0 calc(3 * var(--u)) calc(3 * var(--u)) #0005);
}
#touch .dpad-frame { position: absolute; width: 100%; height: 100%; pointer-events: none; overflow: visible; }
#touch .pad-shell { fill: url(#pad-bevel); stroke: #080808; stroke-width: 2; }
#touch .pad-bevel { fill: #2b2b2b; stroke: #ffffff0d; stroke-width: 2; }
#touch .dpad span { display: flex; align-items: center; justify-content: center; z-index: 1; pointer-events: none; }
#touch .dpad span svg { width: 52%; height: 52%; filter: drop-shadow(0 1px 1px #ffffff18); }
#touch .pad-triangle { fill: #101010; }
#touch .pad-chevron { display: none; fill: none; stroke: #ddd; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
#touch .dpad .up { grid-area: 1 / 2; border-radius: calc(10 * var(--u)) calc(10 * var(--u)) 0 0; }
#touch .dpad .left { grid-area: 2 / 1; border-radius: calc(10 * var(--u)) 0 0 calc(10 * var(--u)); }
#touch .dpad .center { grid-area: 2 / 2; }
#touch .dpad .right { grid-area: 2 / 3; border-radius: 0 calc(10 * var(--u)) calc(10 * var(--u)) 0; }
#touch .dpad .down { grid-area: 3 / 2; border-radius: 0 0 calc(10 * var(--u)) calc(10 * var(--u)); }
#touch .dpad .center::after { content: ""; width: 55%; height: 55%; border-radius: 50%; background: #191919; box-shadow: inset 0 1px 2px #000b, 0 1px 1px #ffffff18; }
#touch .dpad span.on { background: #0006; box-shadow: inset 0 0 calc(5 * var(--u)) #0009; }
#touch .face {
  position: absolute; left: calc(147 * var(--u)); top: calc(39 * var(--u));
  width: calc(164 * var(--u)); height: calc(164 * var(--u));
  border-radius: 50%; background: #8f8f8f;
}
#touch .trench {
  position: absolute; width: calc(125 * var(--u)); height: calc(57 * var(--u));
  border-radius: calc(30 * var(--u)); transform: rotate(-45deg);
  background: linear-gradient(#e6e6e6, #d6d6d6);
  box-shadow: inset 0 0 calc(2 * var(--u)) #fff8, 0 calc(2 * var(--u)) calc(4 * var(--u)) #0005;
  pointer-events: none;
}
#touch .trench.xy { left: calc(0 * var(--u)); top: calc(30 * var(--u)); }
#touch .trench.ab { left: calc(46 * var(--u)); top: calc(76 * var(--u)); }
#touch .face button {
  --touch-size: 51;
  --touch-top: 5; --touch-right: 5; --touch-bottom: 5; --touch-left: 5;
  width: calc(51 * var(--u)); height: calc(51 * var(--u)); border-radius: 50%;
  border: calc(2 * var(--u)) solid #000;
  background: radial-gradient(ellipse at 50% 0%, #ffffff50, transparent 43%), var(--face-color);
  color: var(--face-ink);
  text-shadow: 0 1px #ffffff12;
  box-shadow: inset 0 calc(2 * var(--u)) calc(3 * var(--u)) #ffffff45, inset 0 calc(-3 * var(--u)) calc(3 * var(--u)) #0005, 0 calc(2 * var(--u)) calc(3 * var(--u)) #0006;
}
#touch .face .x { left: calc(56 * var(--u)); top: calc(11 * var(--u)); --face-color: #0a4fc4; --face-ink: #07367f; --touch-top: 15; }
#touch .face .y { left: calc(12 * var(--u)); top: calc(57 * var(--u)); --face-color: #0a9a3f; --face-ink: #066829; --touch-left: 15; }
#touch .face .a { left: calc(103 * var(--u)); top: calc(57 * var(--u)); --face-color: #e3141b; --face-ink: #a20d12; --touch-right: 19; }
#touch .face .b { left: calc(58 * var(--u)); top: calc(102 * var(--u)); --face-color: #f7cc12; --face-ink: #b4970b; --touch-bottom: 19; }
#touch .small-control {
  top: calc(205 * var(--u)); width: calc(21 * var(--u)); height: calc(21 * var(--u));
  border-radius: 50%; border: calc(2 * var(--u)) solid #000;
  background: linear-gradient(#f5f5f5, #c9c9c9);
  box-shadow: inset 0 1px 1px #fff, 0 calc(2 * var(--u)) calc(2 * var(--u)) #0003;
  color: #080808;
}
#touch .small-control span { position: absolute; top: calc(25 * var(--u)); font: 700 calc(8 * var(--u)) / 1 Arial, sans-serif; }
#touch #btn-menu { left: calc(8 * var(--u)); }
#touch [data-btn="select"] { left: calc(124 * var(--u)); }
#touch [data-btn="start"] { left: calc(176 * var(--u)); }
#touch #btn-fast { left: calc(230 * var(--u)); }
#touch button.on, #touch button:active, #touch #btn-fast[aria-pressed="true"] {
  filter: brightness(.67);
  box-shadow: inset 0 calc(2 * var(--u)) calc(4 * var(--u)) #0009;
}
body.touch-on.menu-open #toolbar {
  display: flex;
  position: fixed;
  z-index: 5;
  inset: auto max(16px, env(safe-area-inset-right)) max(16px, env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left));
  margin: 0 auto;
  max-width: 460px;
  max-height: calc(100dvh - env(safe-area-inset-top) - 32px);
  overflow-y: auto;
  touch-action: pan-y;
  justify-content: flex-start;
  background: #242129;
  border: 1px solid #49414f;
  border-radius: 18px;
  padding: 18px;
  box-shadow: 0 12px 60px #0009;
}
body.touch-on.menu-open #btn-close-menu { display: block; }

/* Landscape maps 812×375 over the safe screen; empty overlay space passes through. */
@media (orientation: landscape) {
  body.touch-on #stage { flex: 1 1 auto; height: 100%; aspect-ratio: auto; }
  body.touch-on #touch:not([hidden]) {
    --u: min(calc(100cqw / 812), calc(100cqh / 375));
    position: absolute;
    container-type: size;
    inset: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
    min-height: 0; height: auto; margin: 0; background: none; pointer-events: none;
  }
  #touch::before, #touch::after { display: none; }
  #touch .dpad, #touch button { pointer-events: auto; }
  #touch .dpad, #touch .face, #touch .shoulder button, #touch .small-control { opacity: .68; }
  #touch .dpad { --touch-size: 161; left: 3.69458%; top: 53.06667%; width: calc(161 * var(--u)); height: calc(161 * var(--u)); filter: none; }
  #touch .pad-shell { fill: #444; stroke: #ddd; stroke-width: 1.8; }
  #touch .pad-bevel, #touch .pad-triangle { display: none; }
  #touch .pad-chevron { display: block; }
  #touch .dpad .center::after { background: none; border: calc(2.5 * var(--u)) solid #ddd; box-shadow: none; }
  #touch .shoulder button, #touch .small-control {
    border: calc(2 * var(--u)) solid #ccc; border-radius: calc(22 * var(--u));
    background: #444; color: #fff; box-shadow: none;
  }
  #touch .shoulder button { --touch-size: 100; top: 4%; width: calc(100 * var(--u)); height: calc(40 * var(--u)); font-size: calc(24 * var(--u)); }
  #touch [data-btn="l"] { left: 1.84729%; }
  #touch [data-btn="r"] { right: 1.84729%; }
  #touch .face { left: 73.39901%; top: 45.33333%; width: calc(184 * var(--u)); height: calc(184 * var(--u)); border: calc(2 * var(--u)) solid #ccc; background: #999; }
  #touch .trench { width: calc(128 * var(--u)); height: calc(59 * var(--u)); background: #d6d6d6; box-shadow: 0 0 0 calc(1 * var(--u)) #666; }
  #touch .trench.xy { left: calc(1 * var(--u)); top: calc(42 * var(--u)); }
  #touch .trench.ab { left: calc(50 * var(--u)); top: calc(91 * var(--u)); }
  #touch .face button { --touch-size: 53; width: calc(53 * var(--u)); height: calc(53 * var(--u)); color: #fff; background: var(--face-color); font-size: calc(16 * var(--u)); text-shadow: none; box-shadow: none; }
  #touch .face .x { left: calc(60 * var(--u)); top: calc(16 * var(--u)); }
  #touch .face .y { left: calc(12 * var(--u)); top: calc(66 * var(--u)); }
  #touch .face .a { left: calc(110 * var(--u)); top: calc(66 * var(--u)); }
  #touch .face .b { left: calc(62 * var(--u)); top: calc(115 * var(--u)); }
  #touch .small-control { --touch-size: 73; width: calc(73 * var(--u)); height: calc(26 * var(--u)); }
  #touch .small-control span { position: static; font-size: calc(12 * var(--u)); }
  #touch #btn-menu { left: 45.68966%; top: 4%; }
  #touch #btn-fast { left: 55.91133%; top: 4%; width: calc(44 * var(--u)); --touch-size: 44; }
  #touch [data-btn="select"] { left: 39.77833%; top: 89.33333%; }
  #touch [data-btn="start"] { left: 51.23153%; top: 89.33333%; }
}
/* Retain the zoom blockers, and never allow page scrolling or a long-press callout. */
html, body { touch-action: manipulation; }
button, label, input, a, summary { touch-action: manipulation; }

.audio-volume { display: flex; align-items: center; gap: 8px; }
#audio-volume { width: 110px; accent-color: #d4b477; }
#audio-status { font-size: 12px; }
#btn-import.attention { outline: 3px solid #f7cc12; outline-offset: 2px; animation: import-pulse 0.6s ease-in-out 3; }
@keyframes import-pulse { 50% { outline-color: transparent; } }

#account-bar { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; width: 100%; }
#account-bar[hidden], #account-bar [hidden] { display: none; }
#account-bar a { color: #f7ce8c; }
#account-avatar { border-radius: 50%; }
#account-email { overflow-wrap: anywhere; }
#sync-status { font-size: 12px; }
#sync-conflicts { width: 100%; }
#sync-conflicts:empty { display: none; }
/* static pages (privacy) */
body.doc-page { display: block; overflow: auto; background: #161518; color: #e8e2d4; font: 16px/1.55 Georgia, serif; }
.doc { max-width: 640px; margin: 0 auto; padding: 32px 16px 48px; }
.doc h1, .doc h2 { color: rgb(247, 206, 140); }
.doc a { color: rgb(247, 206, 140); }