@import url("https://fonts.googleapis.com/css2?family=Exo+2:wght@400;700&family=Orbitron:wght@400;700;900&display=swap");

body {
  margin: 0;
  background-color: #000;
  height: 100vh;
  width: 100vw;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  font-family: "Exo 2", sans-serif;
  color: #e2e8f0;
}

#container {
  position: relative;
  width: min(100vw, 56.25vh);
  
  height: 100vh;
  background: radial-gradient(circle at 50% 30%, #1e1b4b 0%, #0f172a 100%);
  overflow: hidden;
  box-shadow: 0 0 50px rgba(0, 0, 0, 0.5);
}

#game {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

#game canvas {
  width: 100% !important;
  height: 100% !important;
}

#score {
  position: absolute;
  top: 10%;
  width: 100%;
  text-align: center;
  font-size: 5rem;
  font-family: "Orbitron", sans-serif;
  font-weight: 700;
  color: #fbbf24;
  text-shadow: 0 0 20px rgba(251, 191, 36, 0.5);
  transition: transform 0.5s ease;
  transform: translateY(-200px) scale(1);
  pointer-events: none;
  z-index: 10;
}

#instructions {
  display: none;
}

#instructions.hide {
  opacity: 0 !important;
}

.game-ready {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background: rgba(15, 23, 42, 0.4);
  z-index: 30;
  pointer-events: auto;
  transition: opacity 0.5s ease;
}

#start-button {
  pointer-events: auto;
  font-family: "Orbitron", sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
  background: #6366f1;
  padding: 1rem 3rem;
  border-radius: 50px;
  cursor: pointer;
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.4);
  transition: all 0.2s ease, transform 0.5s ease;
  transform: translateY(-50px);
  text-transform: uppercase;
  letter-spacing: 2px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  animation: pulse 2s infinite;
}

#start-button:hover {
  background: #4f46e5;
  transform: scale(1.05);
  box-shadow: 0 0 30px rgba(79, 70, 229, 0.6);
}

#start-button:active {
  transform: scale(0.95);
}

#container.playing .game-ready,
#container.ended .game-ready {
  opacity: 0;
  pointer-events: none;
}

.game-over {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  
  align-items: center;
  gap: 2rem;
  
  background: rgba(10, 15, 30, 0.6);
  
  backdrop-filter: blur(4px);
  z-index: 50;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.5s ease;
  box-sizing: border-box;
}

.game-over h2 {
  font-family: "Orbitron", sans-serif;
  font-size: 2.5rem;
  line-height: 1.1;
  color: #fff;
  margin: 0;
  text-transform: uppercase;
  text-align: center;
  background: linear-gradient(to bottom, #ef4444, #b91c1c);
  
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 20px rgba(239, 68, 68, 0.4);
  filter: drop-shadow(0 5px 15px rgba(0, 0, 0, 0.5));
}

.game-over .message-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  margin-top: 10rem;
  
  width: 100%;
}

.game-over p {
  font-size: 1.1rem;
  color: #e2e8f0;
  margin: 0;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.game-over .action-text {
  font-family: "Orbitron", sans-serif;
  font-size: 1.2rem;
  color: #fff;
  background: #6366f1;
  padding: 1rem 3rem;
  border-radius: 50px;
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.4);
  text-transform: uppercase;
  letter-spacing: 2px;
  animation: pulse 2s infinite;
  cursor: pointer;
  pointer-events: auto;
  
  border: 1px solid rgba(255, 255, 255, 0.2);
}

@keyframes pulse {
  0% {
    transform: scale(1);
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.4);
  }

  50% {
    transform: scale(1.05);
    box-shadow: 0 0 30px rgba(99, 102, 241, 0.7);
  }

  100% {
    transform: scale(1);
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.4);
  }
}

#container.playing #score,
#container.resetting #score {
  transform: translateY(0) scale(1);
}

#container.playing #instructions {
  opacity: 1;
}

#container.ready #start-button {
  transform: translateY(0);
}

#container.ended #score {
  
  top: 40%;
  transform: translateY(-50%) scale(1.2);
  
  z-index: 60;
  
  color: #fbbf24;
  text-shadow: 0 0 40px rgba(251, 191, 36, 0.8), 2px 2px 0px rgba(0, 0, 0, 0.5);
}

#container.ended .game-over {
  opacity: 1;
  pointer-events: auto;
}

#container.ended .game-over * {
  opacity: 1;
  transform: translateY(0);
}

.controls-ui {
  position: absolute;
  top: 16px;
  right: 16px;
  display: flex;
  align-items: center;
  
  z-index: 200;
}

.icon-btn {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.35);
  pointer-events: auto;
  user-select: none;
}

.icon-btn:hover {
  background: rgba(99, 102, 241, 0.35);
  transform: scale(1.12);
  box-shadow: 0 0 14px rgba(99, 102, 241, 0.55);
}

.icon-btn:active {
  transform: scale(0.93);
}

.icon-btn.muted {
  background: rgba(239, 68, 68, 0.2);
  border-color: rgba(239, 68, 68, 0.4);
  box-shadow: 0 0 10px rgba(239, 68, 68, 0.3);
}

.icon-btn svg {
  width: 20px;
  height: 20px;
  fill: #fff;
  pointer-events: none;
}

#btn-pause {
  width: 0;
  min-width: 0;
  margin-left: 0;
  opacity: 0;
  overflow: hidden;
  pointer-events: none;
  
  transition: width 0.3s ease, margin-left 0.3s ease, opacity 0.3s ease;
}

#container.playing #btn-pause {
  width: 40px;
  min-width: 40px;
  margin-left: 10px;
  opacity: 1;
  overflow: visible;
  pointer-events: auto;
}

.pause-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(5px);
  z-index: 60;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}

.pause-overlay.visible {
  opacity: 1;
  pointer-events: auto;
}

.pause-overlay h2 {
  font-family: "Orbitron", sans-serif;
  font-size: 3rem;
  color: #fff;
  text-transform: uppercase;
  margin-bottom: 2rem;
  text-shadow: 0 0 20px rgba(255, 255, 255, 0.5);
}

.resume-btn {
  font-family: "Orbitron", sans-serif;
  font-size: 1.5rem;
  padding: 1rem 3rem;
  color: #fff;
  background: #10b981;
  border-radius: 50px;
  cursor: pointer;
  text-transform: uppercase;
  box-shadow: 0 0 20px rgba(16, 185, 129, 0.5);
  border: none;
  transition: all 0.2s;
}

.resume-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 0 30px rgba(16, 185, 129, 0.7);
}