:root {
  --color-primary: #fdde3f;
  --color-bg-dark: #000000;
  --color-white: #ffffff;
  --color-wood-dark: #6b4421;
  --color-wood-light: #a6783b;
  --color-gray: #aaaaaa;
  
  --font-pixel: 'Press Start 2P', monospace;
  --font-sans: 'Orbitron', 'Arial', sans-serif;
  
  --spacing-xs: 5px;
  --spacing-sm: 10px;
  --spacing-md: 15px;
  --spacing-lg: 30px;
  --spacing-xl: 40px;
  
  --border-radius-sm: 8px;
  --border-radius-md: 15px;
  
  --transition-base: all 0.3s ease;
  --z-index-modal: 1000;
  --z-index-overlay: 10;
}

*, *::before, *::after {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--color-bg-dark);
  height: 100%;
}

body {
  display: flex;
  justify-content: center;
  align-items: center;
  font-family: var(--font-pixel);
  color: var(--color-white);
}

.game-container {
  position: relative;
  display: inline-block;
}

.revofun-title {
  position: absolute;
  top: 300px;
  left: 50%;
  transform: translateX(-50%);
  z-index: var(--z-index-overlay);
  margin: 0;
  font-family: var(--font-pixel);
  font-size: 12rem;
  display: flex;
  gap: var(--spacing-xs);
  pointer-events: none;
}

.revofun-title .letter {
  color: transparent;
  -webkit-text-stroke: 1px var(--color-primary);
  transition: var(--transition-base);
}

.revofun-title .letter.filled {
  color: var(--color-primary);
  -webkit-text-stroke: 0.2px var(--color-bg-dark);
}

.controls-tutorial {
  position: absolute;
  top: 500px;
  left: 50%;
  transform: translateX(-50%);
  z-index: var(--z-index-overlay);
  background: rgba(0, 0, 0, 0.7);
  border: 2px solid var(--color-primary);
  border-radius: var(--border-radius-sm);
  padding: 20px 30px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.keys-group {
  display: flex;
  align-items: center;
  gap: 20px;
}

.wad-triangle {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.attack-key {
  display: flex;
  align-items: center;
}

.control-row {
  display: flex;
  gap: 10px;
  justify-content: center;
}

.key {
  width: 50px;
  height: 50px;
  background: linear-gradient(145deg, #ffffff, #e0e0e0);
  border: 3px solid #333333;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-pixel);
  font-size: 20px;
  color: #000000;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3), inset 0 -2px 4px rgba(0, 0, 0, 0.2);
  position: relative;
}

.key::after {
  content: '';
  position: absolute;
  bottom: 5px;
  left: 50%;
  transform: translateX(-50%);
  width: 30px;
  height: 8px;
  background: rgba(0, 0, 0, 0.15);
  border-radius: 4px;
}

.key.attack {
  background: linear-gradient(145deg, var(--color-primary), #e6c935);
  border-color: #000000;
}

.control-label {
  font-family: var(--font-pixel);
  font-size: 10px;
  color: var(--color-primary);
  margin-top: 5px;
  letter-spacing: 2px;
}

.hud, .title {
  font-family: var(--font-sans);
}

canvas {
  image-rendering: pixelated;
}

.modal {
  display: none;
  position: fixed;
  z-index: var(--z-index-modal);
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  animation: fadeIn 0.3s ease-in;
}

.modal.show {
  display: flex;
  justify-content: center;
  align-items: center;
}

.modal-content {
  background: linear-gradient(45deg, var(--color-wood-dark) 50%, var(--color-wood-light) 100%);
  border: 0.2px solid var(--color-primary);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-lg);
  max-width: 500px;
  width: 90%;
  text-align: center;
  animation: slideDown 0.3s ease-out;
}

.modal-title {
  font-family: var(--font-pixel);
  font-size: 24px;
  color: var(--color-primary);
  margin: 0 0 var(--spacing-sm) 0;
  text-shadow: 0 0 5px rgba(253, 222, 63, 0.7);
  line-height: 1.6;
}

.modal-message {
  font-family: var(--font-pixel);
  font-size: 12px;
  color: var(--color-white);
  margin: 0;
  line-height: 1.6;
}

.modal-input {
  width: 80%;
  padding: var(--spacing-md);
  font-family: var(--font-pixel);
  font-size: 12px;
  background: transparent;
  border: 0.2px solid var(--color-primary);
  border-radius: var(--border-radius-sm);
  color: var(--color-white);
  text-align: center;
  margin: var(--spacing-md) 0;
  outline: none;
  transition: var(--transition-base);
}

.modal-input:focus {
  border-color: var(--color-primary);
  transform: scale(1.02);
}

.modal-btn {
  background: var(--color-primary);
  border: none;
  border-radius: var(--border-radius-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  font-family: var(--font-pixel);
  font-size: 12px;
  font-weight: normal;
  color: var(--color-bg-dark);
  cursor: pointer;
  margin-top: var(--spacing-sm);
  transition: var(--transition-base);
}

.modal-btn:hover {
  background: var(--color-primary);
  transform: translateY(-2px);
}

.modal-btn:active {
  transform: translateY(0);
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}