* {
  box-sizing: border-box;
  scrollbar-width: thin;
  scrollbar-color: #13191f #1d2227;
}

body {
  font-family: "Helvetica", Arial, sans-serif;
  margin: 0;
  padding: 0;
  background-color: #1d2227;
  color: #ffffff;
  overflow-x: hidden;
  min-height: 100vh;
  image-rendering: pixelated;
  image-rendering: -moz-crisp-edges;
  image-rendering: crisp-edges;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

.canvas-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

.main-canvas {
  display: block;
  image-rendering: pixelated;
  image-rendering: -moz-crisp-edges;
  image-rendering: crisp-edges;
}

::-webkit-scrollbar {
  width: 12px;
  height: 12px;
}

::-webkit-scrollbar-track {
  background: #1d2227;
  border: 1px solid #13191f;
  border-radius: 0;
}

::-webkit-scrollbar-thumb {
  background: #13191f;
  border: 1px solid #ffffff33;
  border-radius: 0;
  transition: all 0.2s ease;
}

::-webkit-scrollbar-thumb:hover {
  background: #00594f;
  border-color: #ffffff;
  box-shadow: 0 0 8px rgba(0, 89, 79, 0.5);
}

::-webkit-scrollbar-thumb:active {
  background: #004940;
  border-color: #ffffff;
}

::-webkit-scrollbar-corner {
  background: #1d2227;
  border: 1px solid #13191f;
}

.page-content::-webkit-scrollbar {
  width: 8px;
}

.page-content::-webkit-scrollbar-track {
  background: rgba(29, 34, 39, 0.8);
  border: 1px solid rgba(19, 25, 31, 0.8);
}

.page-content::-webkit-scrollbar-thumb {
  background: rgba(19, 25, 31, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.page-content::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 89, 79, 0.9);
  border-color: rgba(255, 255, 255, 0.8);
}

.nav-back {
  position: fixed;
  top: 20px;
  left: 20px;
  padding: 8px 16px;
  background: #1d2227;
  color: #ffffff;
  text-decoration: none;
  border: 2px solid #13191f;
  font-family: "Helvetica", Arial, sans-serif;
  font-size: 12px;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 1px;
  z-index: 1000;
  transition: all 0.2s ease;
  box-shadow: 0 0 0 1px #13191f, 0 0 10px rgba(255, 255, 255, 0.1);
  image-rendering: pixelated;
  image-rendering: -moz-crisp-edges;
  image-rendering: crisp-edges;
}

.nav-back:hover {
  background: #00594f;
  color: #ffffff;
  border-color: #ffffff;
  box-shadow: 0 0 15px rgba(0, 89, 79, 0.5);
  transform: translateX(3px);
}

@media (max-width: 768px) {
  .nav-back {
    top: 10px;
    left: 10px;
    padding: 6px 12px;
    font-size: 10px;
  }
}

.pixel-borders {
  border-radius: 0 !important;
  image-rendering: pixelated;
  image-rendering: -moz-crisp-edges;
  image-rendering: crisp-edges;
}

.pixel-grid-overlay::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px), linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 10px 10px;
  pointer-events: none;
}