/* ===== AUDIO FEEDBACK LAYER (RESTORED) ===== */
const AudioCtx = new (window.AudioContext || window.webkitAudioContext)();

function ping(freq=600, dur=0.08, type="sine", vol=0.15){
  const o = AudioCtx.createOscillator();
  const g = AudioCtx.createGain();
  o.type = type;
  o.frequency.value = freq;
  o.connect(g);
  g.connect(AudioCtx.destination);
  const t = AudioCtx.currentTime;
  g.gain.value = vol;
  o.start(t);
  g.gain.exponentialRampToValueAtTime(0.0001, t + dur);
  o.stop(t + dur);
}

/* Required for mobile browsers */
window.addEventListener("click", ()=>AudioCtx.resume(), { once:true });
window.addEventListener("touchstart", ()=>AudioCtx.resume(), { once:true });
d.onclick = () => {
  ping(760, 0.06, "triangle", 0.18);
  load(k);
};
document.getElementById("assign").onclick = () => {
  if(!active) return;
  ping(520, 0.08, "square", 0.18);
  active.status = "IN_PROGRESS";
  BackLayer.seal("MISSION_ASSIGN", active.name);
  log("Mission initialized");
};
document.getElementById("complete").onclick = () => {
  if(!active || active.status !== "IN_PROGRESS") {
    ping(220, 0.08, "square", 0.2);
    return;
  }
  const gain = Math.floor(40 + Math.random()*60);
  xp += gain;
  xpEl.textContent = xp;
  ping(880, 0.12, "sawtooth", 0.22);
  active.status = "COMPLETE";
  BackLayer.seal("MISSION_COMPLETE", {name: active.name, xp: gain});
  if(Math.random() > .85) log(BackLayer.drop());
  log(`Completed ${active.name} +${gain} XP`);
};
document.getElementById("stress").onclick = () => {
  const lvl = Math.random() > .7 ? "CRITICAL" : "NOMINAL";
  ping(lvl === "CRITICAL" ? 200 : 420, 0.09, "square", 0.2);
  BackLayer.seal("STRESS", lvl);
  log(`Stress level: ${lvl}`);
};
document.getElementById("hint").onclick = () => {
  if(!active) return;
  ping(600, 0.08, "sine", 0.15);
  log(`Hint: ${active.hint}`);
};