/* M3-U2: HUD mounts above the canvas; empty space passes input through. */
.ml-hud, .ml-tray, .ml-toasts { font: 15px/1.2 system-ui, sans-serif; color: #f5f4ee; box-sizing: border-box; touch-action: manipulation; }
.ml-hud *, .ml-tray *, .ml-toasts * { box-sizing: border-box; }
.ml-hud { position: fixed; inset: 0; z-index: 20; pointer-events: none; }
.ml-hud button, .ml-tray button, .ml-toasts button, .ml-hud select {
  min-width: 44px; min-height: 44px; border: 1px solid #829397; border-radius: 7px;
  background: #263b42; color: #f5f4ee; font: inherit; padding: 4px 6px; cursor: pointer;
  touch-action: manipulation;
}
.ml-hud button:hover, .ml-tray button:hover, .ml-toasts button:hover { background: #38545c; }
.ml-hud button:focus-visible, .ml-tray button:focus-visible, .ml-toasts button:focus-visible,
.ml-hud select:focus-visible, .ml-hud input:focus-visible { outline: 3px solid #ffe39a; outline-offset: 2px; }
.ml-hud button[aria-pressed="true"], .ml-tray button[aria-pressed="true"] { outline: 2px solid #ffe39a; outline-offset: -3px; background: #405761; }
.ml-hud button:disabled { opacity: .6; cursor: default; }
.ml-topbar { position: absolute; top: env(safe-area-inset-top, 0px); left: env(safe-area-inset-left, 0px); right: env(safe-area-inset-right, 0px);
  height: 56px; display: flex; align-items: center; gap: 8px; padding: 4px 8px; background: #172b32; pointer-events: auto; }
.ml-topbar > button { flex: 0 0 auto; }
.ml-currency { flex: 0 0 72px; position: relative; padding-left: 8px; }
.ml-save-dot { position: absolute; left: 0; top: 3px; width: 5px; height: 12px; background: #b7cbd0; border-radius: 3px; font-size: 0; }
.ml-save-dot[data-status="saved"], .ml-save-dot[data-status="ready"] { background: #a0d4ac; }
.ml-save-dot[data-status="failed"], .ml-save-dot[data-status="guard"], .ml-save-dot[data-status="changed"] { background: #ffcf87; border-radius: 0; }
.ml-district-chips { display: flex; flex: 1 1 auto; min-width: 0; gap: 8px; overflow-x: auto; padding: 1px; }
.ml-district-chip { flex: 1 1 0; min-width: 0; font-size: 13px !important; line-height: 1; }
.ml-district-chip span { display: block; white-space: normal; }
.ml-district-chip span:first-child { font-size: 15px; }
.ml-topbar .ml-hampers { max-width: 84px; }
.ml-districts-toggle { display: none; }
.ml-camera { position: absolute; right: calc(8px + env(safe-area-inset-right, 0px)); top: calc(64px + env(safe-area-inset-top, 0px)); display: grid; gap: 8px; width: 100px; pointer-events: auto; }
.ml-paused { position: absolute; top: calc(64px + env(safe-area-inset-top, 0px)); left: 50%; transform: translateX(-50%); padding: 8px; border-radius: 8px; background: #172b32; display: flex; align-items: center; gap: 8px; pointer-events: auto; }
.ml-sheet { position: absolute; top: calc(64px + env(safe-area-inset-top, 0px)); left: calc(8px + env(safe-area-inset-left, 0px)); padding: 12px; border: 1px solid #829397; border-radius: 10px; background: #172b32; box-shadow: 0 8px 24px #0006;
  display: flex; flex-direction: column; gap: 8px; max-height: calc(100dvh - 160px - env(safe-area-inset-top, 0px) - env(safe-area-inset-bottom, 0px)); overflow-y: auto; max-width: calc(100vw - 16px - env(safe-area-inset-left, 0px) - env(safe-area-inset-right, 0px)); pointer-events: auto; }
.ml-settings { width: 340px; }
.ml-settings h2 { font-size: 18px; margin: 0 0 8px; }
.ml-settings label { display: flex; align-items: center; justify-content: space-between; gap: 8px; min-height: 44px; }
.ml-settings input { width: 44px; height: 44px; accent-color: #f8d68d; }
.ml-settings p { overflow-wrap: anywhere; margin: 8px 0; }
.ml-tray { position: fixed; bottom: env(safe-area-inset-bottom, 0px); left: env(safe-area-inset-left, 0px); right: env(safe-area-inset-right, 0px); z-index: 21;
  display: flex; align-items: center; justify-content: center; gap: 8px; height: 76px; padding: 6px 8px; overflow-x: auto; background: #172b32; }
.ml-tray button { flex: 0 0 72px; height: 64px; display: flex; flex-direction: column; align-items: center; justify-content: center; position: relative; }
.ml-tray button > img, .ml-tray button > svg, .ml-tray button > canvas { width: 24px; height: 24px; }
.ml-tray kbd { display: none; font: 13px system-ui, sans-serif; position: absolute; right: 3px; top: 2px; }
.ml-tray.ml-keyboard kbd { display: block; }
.ml-toasts { position: fixed; bottom: calc(140px + env(safe-area-inset-bottom, 0px)); left: 50%; transform: translateX(-50%); z-index: 40;
  width: max-content; max-width: calc(100vw - 16px); display: flex; flex-direction: column; gap: 8px; pointer-events: none; }
.ml-toast { display: flex; align-items: center; gap: 8px; padding: 8px; background: #172b32; border: 1px solid #829397; border-radius: 10px; pointer-events: auto; }
.ml-toast > span { min-width: 0; overflow-wrap: anywhere; }
.ml-hud [hidden] { display: none !important; }
@media (min-width: 1300px) and (min-height: 700px) { .ml-tray button { flex-basis: 80px; } }
@media (max-width: 899px), (max-height: 699px) {
  .ml-topbar { overflow-x: auto; }
  .ml-district-chips { display: none; }
  .ml-topbar .ml-districts-toggle { display: block; }
  .ml-tray { height: 68px; justify-content: flex-start; }
  .ml-tray button { flex-basis: 56px; height: 56px; font-size: 13px; }
  .ml-tray kbd { display: none !important; }
  .ml-camera { width: 92px; }
  .ml-toasts { bottom: calc(76px + env(safe-area-inset-bottom, 0px)); }
}
@media (prefers-reduced-motion: reduce) { .ml-hud *, .ml-tray *, .ml-toasts * { animation: none !important; transition: none !important; } }