:root {
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-left: env(safe-area-inset-left, 0px);
  --safe-right: env(safe-area-inset-right, 0px);
  --ui-font: "Trebuchet MS", "Verdana", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #0a0c14;
  font-family: var(--ui-font);
  -webkit-user-select: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

#game {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  touch-action: none;
}

.hidden { display: none !important; }

/* ---------- overlays ---------- */
.overlay {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #0a0c14;
  color: #e8e2cf;
  z-index: 50;
  text-align: center;
}

.loading-inner h1 {
  font-size: clamp(28px, 6vw, 52px);
  letter-spacing: 0.08em;
  margin-bottom: 24px;
  color: #e8e2cf;
  text-shadow: 0 0 24px rgba(120, 160, 255, 0.35);
}

.progress {
  width: min(70vw, 420px);
  height: 10px;
  border: 1px solid #4a5470;
  border-radius: 5px;
  margin: 0 auto 12px;
  overflow: hidden;
}

#loading-bar {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, #5a8ae0, #8ec0ff);
  transition: width 0.15s ease-out;
}

#loading-text { color: #9aa3bd; font-size: 14px; }

/* ---------- HUD ---------- */
#hud {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 20;
  color: #fff;
}

#hearts {
  position: absolute;
  top: calc(8px + var(--safe-top));
  left: calc(12px + var(--safe-left));
  font-size: 22px;
  letter-spacing: 2px;
  text-shadow: 0 1px 3px rgba(0,0,0,0.8);
}

#counters {
  position: absolute;
  top: calc(38px + var(--safe-top));
  left: calc(12px + var(--safe-left));
  font-size: 15px;
  text-shadow: 0 1px 3px rgba(0,0,0,0.8);
}

.counter { margin-right: 12px; }
.counter b { margin-left: 3px; }

#boss-bar {
  position: absolute;
  bottom: calc(18px + var(--safe-bottom));
  left: 50%;
  transform: translateX(-50%);
  width: min(60vw, 420px);
  height: 12px;
  border: 2px solid #2a1020;
  border-radius: 6px;
  background: rgba(0,0,0,0.55);
  overflow: hidden;
}

#boss-bar-fill {
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, #a01828, #e04848);
  transition: width 0.2s ease-out;
}

#interact-prompt {
  position: absolute;
  bottom: calc(96px + var(--safe-bottom));
  left: 50%;
  transform: translateX(-50%);
  background: rgba(10, 12, 20, 0.8);
  border: 1px solid #4a5470;
  border-radius: 8px;
  padding: 6px 14px;
  font-size: 15px;
}

#objective {
  position: absolute;
  top: calc(10px + var(--safe-top));
  left: 50%;
  transform: translateX(-50%);
  max-width: min(80vw, 460px);
  text-align: center;
  background: rgba(10, 12, 20, 0.6);
  border: 1px solid rgba(142, 192, 255, 0.35);
  border-radius: 8px;
  padding: 5px 14px;
  font-size: 14px;
  color: #dfe8ff;
  text-shadow: 0 1px 2px rgba(0,0,0,0.8);
}

#objective b { color: #ffd86b; font-weight: 600; }

#toast {
  position: absolute;
  top: calc(52px + var(--safe-top));
  left: 50%;
  transform: translateX(-50%);
  max-width: min(80vw, 420px);
  text-align: center;
  background: rgba(30, 22, 8, 0.75);
  border: 1px solid rgba(255, 216, 107, 0.45);
  border-radius: 8px;
  padding: 5px 14px;
  font-size: 14px;
  font-style: italic;
  color: #ffe9b0;
  text-shadow: 0 1px 2px rgba(0,0,0,0.8);
  transition: opacity 0.4s ease;
}

#btn-sound {
  position: absolute;
  top: calc(8px + var(--safe-top));
  right: calc(58px + var(--safe-right));
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.3);
  background: rgba(10, 12, 20, 0.55);
  color: #fff;
  font-size: 18px;
  line-height: 1;
  pointer-events: auto;
  cursor: pointer;
}

/* ---------- touch controls ---------- */
#touch {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 30;
}

#joystick {
  position: absolute;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.25);
  background: rgba(255,255,255,0.07);
  display: none;
}

#joystick-knob {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(255,255,255,0.3);
  transform: translate(-50%, -50%);
}

#touch-buttons {
  position: absolute;
  right: calc(18px + var(--safe-right));
  bottom: calc(26px + var(--safe-bottom));
  display: flex;
  gap: 14px;
  align-items: flex-end;
  pointer-events: none;
}

.touch-btn {
  pointer-events: auto;
  width: 72px;
  height: 72px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.35);
  background: rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.85);
  font-size: 24px;
  font-family: var(--ui-font);
  touch-action: none;
}

.touch-btn:active { background: rgba(255,255,255,0.3); }

.touch-btn.small {
  position: absolute;
  width: 46px;
  height: 46px;
  font-size: 18px;
}

#btn-pause {
  top: calc(10px + var(--safe-top));
  right: calc(12px + var(--safe-right));
}

#zoom-buttons {
  position: absolute;
  left: calc(12px + var(--safe-left));
  bottom: calc(26px + var(--safe-bottom));
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

.touch-btn.zoom {
  pointer-events: auto;
  position: static;
  width: 44px;
  height: 44px;
  font-size: 20px;
  opacity: 0.75;
}

#btn-cycle {
  right: calc(30px + var(--safe-right));
  bottom: calc(128px + var(--safe-bottom));
}

/* ---------- dialog ---------- */
#dialog {
  position: fixed;
  left: 50%;
  bottom: calc(24px + var(--safe-bottom));
  transform: translateX(-50%);
  width: min(92vw, 640px);
  z-index: 40;
}

#dialog-box {
  background: rgba(8, 10, 18, 0.92);
  border: 2px solid #5a648a;
  border-radius: 10px;
  padding: 14px 18px;
  color: #e8e2cf;
  font-size: clamp(15px, 2.4vw, 18px);
  line-height: 1.5;
  min-height: 72px;
  position: relative;
}

#dialog-more {
  position: absolute;
  right: 12px;
  bottom: 6px;
  animation: bob 0.8s ease-in-out infinite alternate;
  color: #8ec0ff;
}

@keyframes bob {
  from { transform: translateY(0); }
  to { transform: translateY(4px); }
}

/* ---------- menus ---------- */
#menu { flex-direction: column; gap: 14px; background: rgba(8, 10, 18, 0.88); }

#menu h1 {
  font-size: clamp(30px, 7vw, 56px);
  letter-spacing: 0.08em;
  margin-bottom: 10px;
  text-shadow: 0 0 24px rgba(120, 160, 255, 0.35);
}

#menu h2 { font-size: clamp(20px, 4vw, 30px); margin-bottom: 8px; }

#menu p { color: #9aa3bd; max-width: min(86vw, 560px); line-height: 1.6; }

.menu-btn {
  font-family: var(--ui-font);
  font-size: 18px;
  padding: 12px 34px;
  min-width: 220px;
  border-radius: 10px;
  border: 2px solid #5a648a;
  background: rgba(255,255,255,0.06);
  color: #e8e2cf;
  cursor: pointer;
}

.menu-btn:hover, .menu-btn:focus { background: rgba(142, 192, 255, 0.18); outline: none; }

/* ---------- fade ---------- */
#fade {
  position: fixed;
  inset: 0;
  background: #000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.22s ease;
  z-index: 45;
}

#fade.on { opacity: 1; }

.intro-page {
  font-size: clamp(16px, 2.6vw, 20px);
  white-space: pre-line;
}

/* ---------- hud extras (HUD.js) ---------- */
.h-full {
  color: #e23b4a;
}

.h-half {
  background: linear-gradient(90deg, #e23b4a 50%, rgba(255,255,255,0.25) 50%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.h-empty {
  color: rgba(255,255,255,0.25);
}