:root {
  --arc-control-safe-x: max(18px, env(safe-area-inset-left));
  --arc-control-safe-y: max(16px, env(safe-area-inset-bottom));
  --arc-control-accent: #71edff;
  --arc-control-accent-strong: #eaffff;
  --arc-control-text: #ffffff;
  --arc-control-shadow: rgba(0, 0, 0, .38);
  --arc-control-joystick: clamp(102px, 25vh, 128px);
  --arc-control-joystick-axis: clamp(78px, 19vh, 96px);
  --arc-control-joystick-wide: clamp(122px, 30vh, 154px);
  --arc-control-joystick-tall: clamp(122px, 30vh, 154px);
  --arc-control-large: clamp(88px, 22vh, 112px);
  --arc-control-small: clamp(52px, 13vh, 66px);
  --arc-control-joystick-row: 60%;
  --arc-control-center-gap: clamp(10px, 2.4vh, 16px);
  --arc-control-center-offset: clamp(64px, 16vh, 82px);
}

.arc-control-layer {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: none;
  pointer-events: none;
  user-select: none;
  -webkit-user-select: none;
  touch-action: none;
}

.arc-control {
  --arc-place-x: var(--arc-control-safe-x);
  --arc-place-y: var(--arc-control-safe-y);
  position: absolute;
  pointer-events: auto;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
}
.arc-control[hidden] { display: none !important; }
.arc-control--disabled { opacity: .34; pointer-events: none; }

/* Standard placements. Joystick centers sit at 60% of viewport height. Primary
   action buttons use the row immediately beneath them. Bottom placements remain
   for older cabinets during migration, but new work should use CENTER + LOWER. */
.arc-place--bottom-left { left: var(--arc-place-x); bottom: var(--arc-place-y); }
.arc-place--bottom-right { right: var(--arc-place-x); bottom: var(--arc-place-y); }
.arc-place--left-center { left: var(--arc-place-x); top: var(--arc-control-joystick-row); transform: translateY(-50%); }
.arc-place--right-center { right: var(--arc-place-x); top: var(--arc-control-joystick-row); transform: translateY(-50%); }
.arc-place--left-upper { left: var(--arc-place-x); top: 22%; }
.arc-place--right-upper { right: var(--arc-place-x); top: 22%; }
.arc-place--left-lower {
  left: var(--arc-place-x);
  top: calc(var(--arc-control-joystick-row) + var(--arc-control-center-offset) + var(--arc-control-center-gap));
}
.arc-place--right-lower {
  right: var(--arc-place-x);
  top: calc(var(--arc-control-joystick-row) + var(--arc-control-center-offset) + var(--arc-control-center-gap));
}
.arc-place--left-lower-inner {
  left: calc(var(--arc-place-x) + var(--arc-control-large) + 12px);
  top: calc(var(--arc-control-joystick-row) + var(--arc-control-center-offset) + var(--arc-control-center-gap) + 14px);
}
.arc-place--right-lower-inner {
  right: calc(var(--arc-place-x) + var(--arc-control-large) + 12px);
  top: calc(var(--arc-control-joystick-row) + var(--arc-control-center-offset) + var(--arc-control-center-gap) + 14px);
}
.arc-place--top-left { left: var(--arc-place-x); top: max(14px, env(safe-area-inset-top)); }
.arc-place--top-right { right: var(--arc-place-x); top: max(14px, env(safe-area-inset-top)); }

.arc-joystick {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
}
.arc-joystick__base {
  position: relative;
  display: grid;
  place-items: center;
  width: var(--arc-control-joystick);
  height: var(--arc-control-joystick);
  border: 3px solid color-mix(in srgb, var(--arc-control-accent) 78%, #ffffff 22%);
  outline: 2px solid color-mix(in srgb, var(--arc-control-accent-strong) 52%, transparent);
  outline-offset: 4px;
  border-radius: 50%;
  background: color-mix(in srgb, #07101b 12%, transparent);
  box-shadow: 0 0 24px color-mix(in srgb, var(--arc-control-accent) 22%, transparent), inset 0 0 0 1px rgba(255,255,255,.08);
}
.arc-joystick--horizontal .arc-joystick__base {
  width: var(--arc-control-joystick-wide);
  height: var(--arc-control-joystick-axis);
  border-radius: 999px;
}
.arc-joystick--vertical .arc-joystick__base {
  width: var(--arc-control-joystick-axis);
  height: var(--arc-control-joystick-tall);
  border-radius: 999px;
}
.arc-joystick__base::before,
.arc-joystick__base::after {
  content: "";
  position: absolute;
  background: color-mix(in srgb, var(--arc-control-accent) 22%, transparent);
  pointer-events: none;
}
.arc-joystick--omni .arc-joystick__base::before { width: 62%; height: 1px; }
.arc-joystick--omni .arc-joystick__base::after { width: 1px; height: 62%; }
.arc-joystick--horizontal .arc-joystick__base::before { width: 66%; height: 1px; }
.arc-joystick--horizontal .arc-joystick__base::after { display: none; }
.arc-joystick--vertical .arc-joystick__base::before { width: 1px; height: 66%; }
.arc-joystick--vertical .arc-joystick__base::after { display: none; }
.arc-joystick__knob {
  position: relative;
  z-index: 2;
  width: clamp(46px, 11vh, 58px);
  height: clamp(46px, 11vh, 58px);
  border: 3px solid color-mix(in srgb, var(--arc-control-accent-strong) 82%, transparent);
  border-radius: 50%;
  background: color-mix(in srgb, var(--arc-control-accent) 46%, transparent);
  box-shadow: 0 7px 16px var(--arc-control-shadow), 0 0 18px color-mix(in srgb, var(--arc-control-accent) 34%, transparent);
  will-change: transform;
}
.arc-control--active .arc-joystick__knob,
.arc-control--engaged .arc-joystick__knob {
  background: color-mix(in srgb, var(--arc-control-accent) 74%, transparent);
}
.arc-joystick__arrows {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  white-space: pre-line;
  color: color-mix(in srgb, var(--arc-control-accent-strong) 58%, transparent);
  font: 800 clamp(20px, 5vh, 28px)/1 system-ui, sans-serif;
  letter-spacing: .2em;
  pointer-events: none;
}
.arc-control__label {
  min-height: 12px;
  color: color-mix(in srgb, var(--arc-control-text) 82%, transparent);
  font-size: clamp(8px, 1.9vh, 10px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: .18em;
  text-transform: uppercase;
  text-shadow: 0 2px 5px var(--arc-control-shadow);
}

.arc-button {
  display: grid;
  place-items: center;
  align-content: center;
  gap: 2px;
  border: 2px solid color-mix(in srgb, var(--arc-control-accent-strong) 72%, transparent);
  border-radius: 50%;
  padding: 8px;
  color: var(--arc-control-text);
  background: color-mix(in srgb, var(--arc-control-accent) 72%, #101724 28%);
  box-shadow: 0 8px 18px var(--arc-control-shadow), 0 0 18px color-mix(in srgb, var(--arc-control-accent) 30%, transparent);
  font: inherit;
  text-transform: uppercase;
  transition: transform .06s ease, filter .06s ease;
}
.arc-button--large { width: var(--arc-control-large); height: var(--arc-control-large); }
.arc-button--small { width: var(--arc-control-small); height: var(--arc-control-small); }
.arc-button__icon { font: 800 clamp(16px, 4vh, 24px)/1 system-ui, sans-serif; }
.arc-button__label {
  white-space: pre-line;
  text-align: center;
  font-size: clamp(9px, 2.2vh, 13px);
  font-weight: 900;
  line-height: .95;
  letter-spacing: .06em;
}
.arc-button__sub {
  font-size: clamp(7px, 1.6vh, 9px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: .12em;
  opacity: .75;
}
.arc-button--small .arc-button__sub { display: none; }
.arc-button--small .arc-button__label { font-size: clamp(8px, 1.9vh, 10px); }
.arc-control--active.arc-button {
  transform: translateY(3px) scale(.96);
  filter: brightness(1.18);
  box-shadow: 0 3px 8px var(--arc-control-shadow), 0 0 22px color-mix(in srgb, var(--arc-control-accent) 42%, transparent);
}

@media (hover: none), (pointer: coarse) {
  .arc-control-layer { display: block; }
}

@media (hover: hover) and (pointer: fine) {
  .arc-control-layer { display: none !important; }
}

@media (orientation: portrait) {
  .arc-control-layer { visibility: hidden; }
}

@media (orientation: landscape) and (max-height: 430px) {
  :root {
    --arc-control-safe-x: max(12px, env(safe-area-inset-left));
    --arc-control-safe-y: max(10px, env(safe-area-inset-bottom));
    --arc-control-joystick: clamp(90px, 27vh, 110px);
    --arc-control-joystick-wide: clamp(108px, 31vh, 132px);
    --arc-control-joystick-tall: clamp(108px, 31vh, 132px);
    --arc-control-large: clamp(78px, 24vh, 98px);
    --arc-control-small: clamp(46px, 14vh, 58px);
    --arc-control-center-offset: clamp(56px, 16vh, 68px);
  }
}