/* Edge controls for the WA 1.34.1 HUD; keep native layout/visibility observers intact. */
:root { --khud-ready: 1; }
[data-khud-surface] {
  translate: 0 0;
  transition: translate 200ms cubic-bezier(.2,.8,.2,1), opacity 180ms ease-out;
}
[data-khud-state="closed"] [data-khud-surface],
[data-khud-state="closed"][data-khud-surface] {
  translate: var(--khud-x, 0px) var(--khud-y, 0px);
  opacity: 0;
  pointer-events: none;
}
.khud-rail {
  position: fixed;
  z-index: 302;
  display: flex;
  gap: 4px;
  align-items: center;
  pointer-events: none;
  font: 12px/1.2 var(--k-font, system-ui, sans-serif);
}
.khud-rail[hidden], .khud-rail button[hidden], .khud-hint[hidden] { display: none; }
.khud-tab, .khud-media {
  box-sizing: border-box;
  margin: 0;
  border: 1px solid #53716f;
  color: #effcf9;
  background: #102b2e;
  cursor: pointer;
  pointer-events: auto;
  min-width: 44px;
  min-height: 44px;
  padding: 6px 10px;
  border-radius: 10px;
  font: inherit;
  touch-action: manipulation;
  transition: background-color 100ms ease-out;
}
.khud-tab:hover, .khud-media:hover { background: #244d4d; }
.khud-tab:focus-visible, .khud-media:focus-visible,
[data-khud-keyboard]:focus-visible, [data-khud-state] button:focus-visible {
  outline: 3px solid #53ffc8;
  outline-offset: 2px;
}
/* The native right toolbar clips overflow; draw its focus ring inside the control. */
[data-khud-keyboard]:focus-visible, [data-khud-state] button:focus-visible { outline-offset: -3px; }
.khud-tab { font-size: 20px; }
.khud-rail[data-open="true"] .khud-tab:not(:focus-visible),
.khud-rail[data-open="true"] .khud-media:not(:focus-visible) { opacity: 0; pointer-events: none; }
.khud-rail[data-edge="left"] .khud-tab { border-radius: 0 10px 10px 0; }
.khud-rail[data-edge="right"] .khud-tab { border-radius: 10px 0 0 10px; }
.khud-rail[data-edge="top"] .khud-tab { border-radius: 0 0 10px 10px; }
.khud-rail[data-edge="bottom"] .khud-tab { border-radius: 10px 10px 0 0; }
.khud-media { border-color: #53ffc8; max-width: 112px; font-size: 11px; }
.khud-hint {
  position: fixed;
  top: 100px;
  left: 50%;
  translate: -50% 0;
  z-index: 302;
  max-width: calc(100vw - 40px);
  padding: 10px 14px;
  border: 1px solid #53716f;
  border-radius: 12px;
  background: #102b2e;
  color: #effcf9;
  font: 13px/1.4 var(--k-font, system-ui, sans-serif);
  pointer-events: none;
}
@media (prefers-reduced-motion: reduce) {
  [data-khud-surface] { transition: none; }
}