:root {
  --blood-red: #8b0000;
  --dark-bg: #0a0a0a;
  --mirror-glow: #4a4a6a;
  --warning-color: #ff3333;
}

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

body {
  font-family: 'New Tegomin', 'Yuji Syuku', serif;
  background: var(--dark-bg);
  color: #ddd;
  overflow: hidden;
  cursor: none;
}

#game-container {
  width: 100vw;
  height: 100vh;
  position: relative;
  overflow: hidden;
}

/* Start Screen */
#start-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at center, #1a1a1a 0%, #000 100%);
  animation: pulse-bg 3s ease-in-out infinite;
}

@keyframes pulse-bg {
  0%, 100% { filter: brightness(1); }
  50% { filter: brightness(0.7); }
}

.game-title {
  font-size: 4rem;
  color: var(--blood-red);
  text-shadow: 0 0 20px rgba(139, 0, 0, 0.8), 0 0 40px rgba(139, 0, 0, 0.4);
  margin-bottom: 2rem;
  letter-spacing: 0.3em;
  animation: flicker-title 0.5s infinite alternate;
}

@keyframes flicker-title {
  0% { opacity: 0.9; }
  100% { opacity: 1; }
}

.game-description {
  max-width: 600px;
  padding: 2rem;
  background: rgba(0, 0, 0, 0.7);
  border: 2px solid #333;
  margin-bottom: 2rem;
  line-height: 1.8;
}

.game-description p {
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

.warning-text {
  color: var(--warning-color) !important;
  font-weight: bold;
  animation: pulse-warning 2s ease-in-out infinite;
}

@keyframes pulse-warning {
  0%, 100% { opacity: 0.7; }
  50% { opacity: 1; }
}

.controls-hint {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid #444;
  font-size: 0.95rem !important;
  color: #999;
}

.game-button {
  padding: 1rem 3rem;
  font-size: 1.5rem;
  font-family: inherit;
  background: var(--blood-red);
  color: #fff;
  border: 2px solid #fff;
  cursor: pointer;
  transition: all 0.3s ease;
  letter-spacing: 0.2em;
  box-shadow: 0 0 20px rgba(139, 0, 0, 0.5);
}

.game-button:hover {
  background: #a00;
  transform: scale(1.05);
  box-shadow: 0 0 40px rgba(139, 0, 0, 0.8);
}

/* Game Screen */
#game-screen {
  width: 100%;
  height: 100%;
  position: relative;
  background: #000;
}

#game-canvas {
  width: 100%;
  height: 100%;
  display: block;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

/* HUD */
#hud {
  position: absolute;
  top: 20px;
  left: 20px;
  z-index: 10;
}

#sanity-bar-container {
  margin-bottom: 10px;
}

.hud-label {
  color: #aaa;
  font-size: 0.9rem;
  margin-bottom: 5px;
  text-shadow: 0 0 5px #000;
}

#sanity-bar {
  width: 200px;
  height: 20px;
  background: #222;
  border: 2px solid #444;
  position: relative;
  overflow: hidden;
}

#sanity-fill {
  width: 100%;
  height: 100%;
  background: linear-gradient(to right, #0f0 0%, #ff0 50%, #f00 100%);
  transition: width 0.3s ease;
  position: relative;
}

#sanity-fill.low {
  animation: sanity-pulse 0.5s ease-in-out infinite;
}

@keyframes sanity-pulse {
  0%, 100% { filter: brightness(1); }
  50% { filter: brightness(1.5); }
}

#mirror-warning {
  color: var(--warning-color);
  font-size: 1.1rem;
  text-shadow: 0 0 10px rgba(255, 51, 51, 0.8);
  animation: pulse-warning 1s ease-in-out infinite;
}

/* Game Over Screen */
#game-over-screen {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.95);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 20;
  animation: fade-in 1s ease-in;
}

@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

#game-over-title {
  font-size: 3rem;
  margin-bottom: 2rem;
  text-shadow: 0 0 20px currentColor;
}

#game-over-title.escaped {
  color: #0f0;
}

#game-over-title.lost {
  color: var(--blood-red);
  animation: glitch-text 0.3s infinite;
}

@keyframes glitch-text {
  0% { transform: translate(0); }
  20% { transform: translate(-2px, 2px); }
  40% { transform: translate(2px, -2px); }
  60% { transform: translate(-2px, -2px); }
  80% { transform: translate(2px, 2px); }
  100% { transform: translate(0); }
}

#game-over-message {
  font-size: 1.3rem;
  max-width: 600px;
  text-align: center;
  margin-bottom: 3rem;
  line-height: 1.8;
}

.return-link {
  margin-top: 1rem;
  color: #888;
  text-decoration: none;
  border-bottom: 1px solid #888;
  padding-bottom: 2px;
  transition: color 0.3s ease;
}

.return-link:hover {
  color: #aaa;
}

/* Visual Effects */
@keyframes screen-shake {
  0%, 100% { transform: translate(0, 0); }
  10% { transform: translate(-2px, 2px); }
  20% { transform: translate(2px, -2px); }
  30% { transform: translate(-2px, -2px); }
  40% { transform: translate(2px, 2px); }
  50% { transform: translate(-2px, 2px); }
  60% { transform: translate(2px, -2px); }
  70% { transform: translate(-2px, -2px); }
  80% { transform: translate(2px, 2px); }
  90% { transform: translate(-2px, 2px); }
}

.shake {
  animation: screen-shake 0.5s ease-in-out;
}

/* Film grain effect */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' /%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.15'/%3E%3C/svg%3E");
  opacity: 0.4;
  pointer-events: none;
  z-index: 1000;
  animation: grain 0.3s steps(3) infinite;
}

@keyframes grain {
  0%, 100% { transform: translate(0, 0); }
  10% { transform: translate(-5%, 5%); }
  20% { transform: translate(5%, -5%); }
  30% { transform: translate(-5%, -5%); }
  40% { transform: translate(5%, 5%); }
  50% { transform: translate(-5%, 0); }
  60% { transform: translate(5%, 0); }
  70% { transform: translate(0, -5%); }
  80% { transform: translate(0, 5%); }
  90% { transform: translate(-5%, 5%); }
}

/* Vignette */
body::after {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at center, transparent 0%, rgba(0, 0, 0, 0.8) 100%);
  pointer-events: none;
  z-index: 999;
}

/* Responsive */
@media (max-width: 768px) {
  .game-title {
    font-size: 2.5rem;
  }

  .game-description {
    max-width: 90%;
    padding: 1.5rem;
  }

  .game-description p {
    font-size: 1rem;
  }

  .game-button {
    padding: 0.8rem 2rem;
    font-size: 1.2rem;
  }

  #game-over-title {
    font-size: 2rem;
  }

  #game-over-message {
    font-size: 1.1rem;
    max-width: 90%;
  }
}