style.css

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

html, body {
  height: 100%;
  overflow: hidden;
  font-family: 'Press Start 2P', cursive;
  background: linear-gradient(#020d2a 0%, #000 90%);
  color: #fff;
}

canvas {
  width: 100%;
  height: 100%;
  display: block;
  image-rendering: pixelated;
  /** cursor: none; */
}

/* ---------- scanlines ---------- */
body::after {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: repeating-linear-gradient(
    0deg,
    rgba(0, 0, 0, 0.15),
    rgba(0, 0, 0, 0.15) 1px,
    transparent 1px,
    transparent 2px
  );
  pointer-events: none;
  z-index: 1000;
}

/* ---------- overlay UI ---------- */
#ui {
  position: fixed;
  inset: 0;
  padding: 12px;
  pointer-events: none;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

#top {
  display: flex;
  justify-content: space-between;
}

#stats {
  display: flex;
  gap: 16px;
  align-items: center;
  background: rgba(0, 0, 0, 0.6);
  padding: 10px 14px;
  border: 2px solid #00ffff;
  border-radius: 8px;
  box-shadow: 0 0 10px #00ffff;
}

#stats::before {
  content: 'S';
  color: #00ffff;
  font-size: 28px;
  margin-right: 4px;
}

.label {
  color: #aaa;
  font-size: 10px;
  display: block;
}

.value {
  color: #00ff00;
  font-size: 12px;
  min-width: 60px;
  text-align: left;
  display: block;
  padding-top: 2px;
}

#controls {
  display: flex;
  gap: 12px;
  pointer-events: auto;
  background: rgba(0, 0, 0, 0.6);
  padding: 8px;
  border: 2px solid #00ffff;
  border-radius: 8px;
  box-shadow: 0 0 10px #00ffff;
}

#controls a, #controls button {
  background: #111;
  color: #00ffff;
  border: 1px solid #00ffff;
  border-radius: 4px;
  padding: 6px 10px;
  font-size: 10px;
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s, box-shadow 0.2s;
  min-width: 32px;
  height: 32px;
}

#controls a:hover, #controls button:hover {
  background: #222;
  box-shadow: 0 0 8px #00ffff;
}

#mode-toggle {
  gap: 4px;
}

#mode-toggle span {
  padding: 0 2px;
}

#mode-toggle.live .mode-live,
#mode-toggle.blaze .mode-blaze {
  background: #00ffff;
  color: #010b15;
  border-radius: 3px;
  padding: 5px 4px 3px 4px;
}

.separator {
  opacity: 0.6;
}

/* ---------- pause icon sizing ---------- */
#pause svg {
  width: 14px;
  height: 14px;
  fill: currentColor;
}

/* ---------- game-over ---------- */
#gameover {
  position: fixed;
  inset: 0;
  background: rgba(1, 11, 21, 0.9);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  font-size: 18px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}

#gameover.show {
  opacity: 1;
  pointer-events: auto;
}

#gameover button {
  margin-top: 24px;
  padding: 10px 24px;
  font-size: 14px;
  border: 0;
  border-radius: 6px;
  background: #ff4500;
  color: #fff;
  cursor: pointer;
  box-shadow: 0 4px #c03400;
  transition: background-color 0.2s, transform 0.1s, box-shadow 0.1s;
}

#gameover button:hover {
  background: #ff6347;
}

#gameover button:active {
  transform: translateY(1px);
  box-shadow: 0 2px #c03400;
}

#gameover button:focus {
  outline: none;
}

/* ---------- about modal ---------- */
.about-modal {
  position: fixed;
  inset: 0;
  background: rgba(1, 11, 21, 0.9);
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  font-size: 14px;
  line-height: 1.6;
  padding: 20px;
  z-index: 2000;
}

.about-modal::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: repeating-linear-gradient(
    0deg,
    rgba(0, 0, 0, 0.15),
    rgba(0, 0, 0, 0.15) 1px,
    transparent 1px,
    transparent 2px
  );
  pointer-events: none;
  z-index: 2001;
}

.about-modal .content {
  max-width: 650px;
  margin-bottom: 20px;
  background: rgba(0, 0, 0, 0.6);
  border: 2px solid #00ffff;
  border-radius: 8px;
  box-shadow: 0 0 10px #00ffff;
  padding: 20px;
  position: relative;
  z-index: 2002;
}

.about-modal .content::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: repeating-linear-gradient(
    0deg,
    rgba(0, 0, 0, 0.15),
    rgba(0, 0, 0, 0.15) 1px,
    transparent 1px,
    transparent 2px
  );
  pointer-events: none;
  z-index: 2003;
}

.about-modal h2 {
  color: #00ffff;
  margin-bottom: 20px;
}

.about-modal p {
  margin-bottom: 15px;
}

.about-modal .color-legend {
  margin: 20px 0;
  padding: 15px;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid #00ffff;
  border-radius: 8px;
}

.about-modal .color-legend h3 {
  color: #00ffff;
  margin-bottom: 15px;
}

.about-modal .color-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px;
  text-align: left;
}

.about-modal .color-dot {
  display: inline-flex;
  align-items: center;
  height: 0.8em;
}

.about-modal .color-text {
  display: inline-flex;
  align-items: center;
  height: 1.2em;
}

.about-modal .close-button {
  padding: 10px 24px;
  font-size: 14px;
  border: 0;
  border-radius: 6px;
  background: #00ffff;
  color: #010b15;
  cursor: pointer;
  box-shadow: 0 4px #00cccc;
  transition: background-color 0.2s, transform 0.1s, box-shadow 0.1s;
}

.about-modal .close-button:hover {
  background: #00cccc;
}

.about-modal .close-button:active {
  transform: translateY(1px);
  box-shadow: 0 2px #00cccc;
}

/* ---------- mobile tweaks ---------- */
@media (max-width: 480px) {
  #top {
    flex-direction: column;
    gap: 10px;
    align-items: center;
  }
  
  #stats, #controls {
    width: 100%;
    justify-content: space-around;
  }

  .about-modal {
    font-size: 10px;
  }

  .about-modal h2 {
    font-size: 16px;
  }

  .about-modal .close-button {
    font-size: 12px;
    padding: 8px 20px;
  }
}

/* Start Modal Styles */
#start-modal.modal {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(1, 11, 21, 0.9);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 10000;
}

#start-modal.modal::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: repeating-linear-gradient(
    0deg,
    rgba(0, 0, 0, 0.15),
    rgba(0, 0, 0, 0.15) 1px,
    transparent 1px,
    transparent 2px
  );
  pointer-events: none;
  z-index: 10001;
}

#start-modal .modal-content {
  background: rgba(0, 0, 0, 0.6);
  border: 2px solid #00ffff;
  border-radius: 8px;
  box-shadow: 0 0 10px #00ffff;
  padding: 2.5rem 2.5rem 2rem 2.5rem;
  text-align: center;
  color: #fff;
  font-family: 'Press Start 2P', monospace;
  position: relative;
  z-index: 10002;
}

#start-modal .modal-content::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: repeating-linear-gradient(
    0deg,
    rgba(0, 0, 0, 0.15),
    rgba(0, 0, 0, 0.15) 1px,
    transparent 1px,
    transparent 2px
  );
  pointer-events: none;
  z-index: 10003;
  border-radius: 8px;
}

#start-modal h2 {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  font-weight: normal;
  color: #00ffff;
  position: relative;
  z-index: 10004;
}

#start-modal h2::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: repeating-linear-gradient(
    0deg,
    rgba(0, 0, 0, 0.15),
    rgba(0, 0, 0, 0.15) 1px,
    transparent 1px,
    transparent 2px
  );
  pointer-events: none;
  z-index: 10005;
}

#play-btn {
  background: #00ff00;
  color: #010b15;
  border: none;
  border-radius: 6px;
  font-size: 1.1rem;
  font-family: 'Press Start 2P', monospace;
  padding: 0.8rem 2.5rem;
  cursor: pointer;
  box-shadow: 0 4px #00cc00;
  transition: background-color 0.2s, transform 0.1s, box-shadow 0.1s;
  margin-top: 1rem;
  position: relative;
  z-index: 10004;
}

#play-btn::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: repeating-linear-gradient(
    0deg,
    rgba(0, 0, 0, 0.15),
    rgba(0, 0, 0, 0.15) 1px,
    transparent 1px,
    transparent 2px
  );
  pointer-events: none;
  z-index: 10005;
  border-radius: 6px;
}

#play-btn:hover {
  background: #00cc00;
}

#play-btn:active {
  transform: translateY(1px);
  box-shadow: 0 2px #00cc00;
}