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

html,
body {
  width: 100%;
  height: 100%;
  background: #1a1410;
  overflow: hidden;
  font-family: "Courier New", monospace;
  display: flex;
  align-items: center;
  justify-content: center;
}

#game-container {
  position: relative;
  width: 1280px;
  height: 720px;
  margin: 0 auto;
  background: #000;
  overflow: hidden;
  /* Lets any child use cqw/cqh units so buttons/menus scale exactly with
     the container's actual rendered size, on any screen. */
  container-type: size;
  container-name: game;
}

@media (max-width: 1280px) {
  #game-container {
    width: 100vw;
    height: 56.25vw;
    max-height: 100vh;
    max-width: 177.78vh; /* keeps it from overflowing on short/portrait screens */
  }
}

canvas {
  display: block;
  width: 100%;
  height: 100%;
  image-rendering: pixelated;
  background: #000;
}

#hud {
  position: absolute;
  top: 10px;
  left: 10px;
  right: 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #f5e3b3;
  text-shadow: 2px 2px 0 #000;
  font-size: 18px;
  letter-spacing: 1px;
  pointer-events: none;
}

#hud-left {
  display: flex;
  align-items: center;
  gap: 10px;
  pointer-events: all;
}

#hud-right {
  display: flex;
  align-items: center;
  gap: 8px;
  pointer-events: all;
}

#restart-btn {
  pointer-events: all;
  background: #3a2c1a;
  border: 2px solid #f5e3b3;
  color: #f5e3b3;
  font-size: 20px;
  width: 36px;
  height: 36px;
  cursor: pointer;
  border-radius: 4px;
}

#restart-btn:hover {
  background: #55421f;
}

#controls-hint {
  position: absolute;
  bottom: clamp(6px, 1.6cqh, 16px);
  left: 0;
  right: 0;
  text-align: center;
  color: #ffe9ad;
  font-size: clamp(14px, 2.4cqw, 24px);
  font-weight: bold;
  letter-spacing: 1.5px;
  text-shadow:
    2px 2px 0 #000,
    0 0 10px rgba(0, 0, 0, 0.6);
  pointer-events: none;
}

#overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(10, 7, 4, 0.88);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
}

#overlay.hidden {
  display: none;
}

/* Title screen only: swap the plain dark overlay for the drawn title art.
   titlebg.png already contains the "TACTIC / TITLE PAGE" lettering, so
   game.js hides the dynamic <h1> while this class is active. */
#overlay.title-bg {
  background-image: url("../assets/images/titlebg.png");
  background-size: cover;
  background-position: center;
  background-color: transparent;
}

/* End screen: FinalBG.png already has the "You made it!" art and copy
   baked in, so hide the dynamic heading/text and just drop the Return To
   Menu button into the grass/dirt band near the bottom of the art. */
#overlay.end-bg {
  background-image: url("../assets/images/FinalBG.png");
  background-size: cover;
  background-position: center;
  background-color: transparent;
}

#overlay.end-bg #overlay-title,
#overlay.end-bg #overlay-text {
  display: none !important;
}

#overlay.end-bg #overlay-btn {
  margin-top: clamp(140px, 84cqh, 640px);
}

#overlay-box {
  text-align: center;
  color: #f5e3b3;
  max-width: min(640px, 90cqw);
  width: 100%;
  padding: clamp(10px, 3cqw, 40px);
  box-sizing: border-box;
}

#overlay-box h1 {
  font-size: clamp(20px, 5cqw, 48px);
  letter-spacing: 6px;
  margin-bottom: clamp(8px, 2cqh, 20px);
  color: #e8c25f;
  text-shadow: 3px 3px 0 #000;
}

#overlay-box p {
  font-size: clamp(11px, 2cqw, 18px);
  line-height: 1.6;
  margin-bottom: clamp(10px, 3cqh, 28px);
  white-space: pre-line;
}

/* Shared "play"-style button look, reused by the level-select Back
   button so both read as the same UI element. Sized in clamp()/cq units
   so it scales down instead of overflowing on small screens. */
.menu-btn {
  background: WhiteSmoke;
  border: 5px solid #4b2a29;
  color: #1a1410;
  font-family: "Courier New", monospace;
  font-weight: bold;
  font-size: clamp(12px, 2.2cqw, 18px);
  padding: clamp(8px, 1.6cqw, 12px) clamp(16px, 4cqw, 32px);
  cursor: pointer;
  letter-spacing: 2px;
  border-radius: 4px;
  max-width: 90cqw;
}

.menu-btn:hover {
  background: #f5d57a;
}

#overlay-btn {
  /* On the title screen this sits over the "press play" spot baked into
     titlebg.png, which is roughly half way down the frame — kept
     relative (cqh) instead of a fixed 350px so it stays lined up (and
     on-screen) at any container size. */
  margin-top: clamp(24px, 45cqh, 350px);
}

/* Pause screen action buttons (Restart / Main Menu / Level Select):
   centered as a row with even spacing, wrapping on narrow screens. */
#overlay-pause-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: clamp(12px, 2.4cqw, 24px);
  margin-top: clamp(20px, 4cqh, 36px);
}

#overlay-pause-actions #overlay-btn {
  margin-top: 0;
}

/* Mute toggle: a small square icon button, same family as the HUD
   restart button. */
#mute-btn {
  pointer-events: all;
  position: relative;
  background: #3a2c1a;
  border: 2px solid #f5e3b3;
  color: #f5e3b3;
  width: 36px;
  height: 36px;
  cursor: pointer;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
}

#mute-btn:hover {
  background: #55421f;
}

#mute-btn svg {
  width: 20px;
  height: 20px;
  display: block;
}

#mute-btn .mute-slash {
  display: none;
}

#mute-btn.muted .mute-slash {
  display: block;
}

/* ------------------------------------------------------------
   Level Select screen
   ------------------------------------------------------------ */

#level-select-overlay {
  position: absolute;
  inset: 0;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  color: #f5e3b3;
  font-family: "Courier New", monospace;
  background-image: url("../assets/images/levelselectbg.png");
  background-size: cover;
  background-position: center;
  box-sizing: border-box;
  padding: 2cqh 2cqw;
}

#level-select-overlay h1 {
  font-size: clamp(15px, 3.6cqw, 34px);
  letter-spacing: 3px;
  margin-bottom: clamp(8px, 2.4cqh, 18px);
  color: #e8c25f;
  text-shadow: 3px 3px 0 #000;
}

#level-select-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-template-rows: repeat(3, minmax(0, 1fr));
  gap: clamp(8px, 2.2cqw, 22px);
  width: min(48cqw, 560px);
  max-width: 90cqw;
  margin-bottom: clamp(10px, 2.4cqh, 22px);
}

#level-select-back-btn {
  margin-top: clamp(8px, 2cqh, 20px);
}

/* Every stage cell is levelbox.png itself — the button element is sized
   to the image's native aspect ratio, so the clickable hitbox matches
   the drawn image exactly at any screen size. */
.level-stage-btn {
  position: relative;
  aspect-ratio: 71 / 52;
  width: 100%;
  border: none;
  padding: 0;
  background-image: url("../assets/images/levelbox.png");
  background-size: 100% 100%;
  background-repeat: no-repeat;
  background-color: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #3a2c1a;
  font-weight: bold;
  font-size: clamp(7px, 1cqw, 12px);
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.35);
  cursor: pointer;
  transition:
    transform 0.1s ease,
    filter 0.1s ease;
}

.level-stage-btn.unlocked {
  filter: drop-shadow(0 0 4px rgba(255, 255, 255, 0.55));
}

.level-stage-btn.unlocked:hover {
  transform: scale(1.07);
  filter: drop-shadow(0 0 7px rgba(255, 255, 255, 0.85));
}

.level-stage-btn.completed {
  filter: drop-shadow(0 0 6px #e8b830) drop-shadow(0 0 2px #e8b830);
  color: #4b3a12;
}

.level-stage-btn.locked {
  filter: grayscale(1) brightness(0.6);
  cursor: not-allowed;
}

.level-stage-btn:disabled {
  cursor: not-allowed;
}

/* ------------------------------------------------------------
   Debug panel — toggled with Backquote (`). Large text/buttons so
   it reads clearly during grading/screen-share.
   ------------------------------------------------------------ */
#debug-panel {
  position: absolute;
  inset: 0;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  overflow-y: auto;
  z-index: 2000;
  color: #f5e3b3;
  font-family: "Courier New", monospace;
  background: rgba(10, 8, 6, 0.94);
  box-sizing: border-box;
  padding: 2cqh 2cqw;
  text-align: center;
}

#debug-panel h1 {
  font-size: clamp(22px, 3.6cqw, 36px);
  letter-spacing: 3px;
  color: #ff5b5b;
  margin: 0 0 4px;
}

#debug-panel h2 {
  font-size: clamp(15px, 2.1cqw, 22px);
  color: #e8c25f;
  margin: 16px 0 8px;
}

#debug-hint {
  font-size: clamp(12px, 1.5cqw, 17px);
  margin: 0 0 14px;
  color: #f5e3b3;
}

#debug-state {
  font-size: clamp(15px, 1.8cqw, 20px);
  line-height: 1.7;
  background: rgba(255, 255, 255, 0.06);
  border: 2px solid #f5e3b3;
  border-radius: 6px;
  padding: 16px 24px;
}

#debug-stage-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 128px));
  gap: 12px;
  margin: 0 auto;
  justify-content: center;
  max-width: 92cqw;
}

#debug-level-row,
#debug-screen-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  max-width: 92cqw;
}

.debug-btn {
  font-size: clamp(13px, 1.5cqw, 17px) !important;
  min-width: 96px;
  min-height: 44px;
  padding: 8px 16px !important;
}