:root {
  --main-bg: linear-gradient(135deg, #004D40, #263238);
  --secondary-bg: #F57F17;
  --accent-color: #FFC107;
  --text-color: #FAFAFA;
  --highlight-color: #FF5722;
  --border-glow: #FFEB3B;
  --code-bg: #37474F;
  --code-text: #CFD8DC;
}

body {
  margin: 0;
  font-family: 'Helvetica', sans-serif;
  background: var(--main-bg);
  color: var(--text-color);
  line-height: 1.6;
  overflow-x: hidden;
}

header {
  text-align: center;
  padding: 20px 10px;
  position: relative;
  overflow: hidden;
}

header h1 {
  font-family: 'Bebas Neue', serif;
  font-size: 3rem;
  margin: 0;
  color: var(--accent-color);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

header p {
  font-size: 1.2rem;
  margin: 5px 0 0;
  color: var(--secondary-bg);
}

.container {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 20px;
  max-width: 1400px;
  margin: 20px auto;
  padding: 0 10px;
}

.module {
  grid-column: span 12;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 10px;
  padding: 20px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease;
}

.module:hover {
  transform: translateY(-5px);
}

.module img {
  width: 100%;
  border-radius: 10px;
  filter: sepia(80%) saturate(1.5) brightness(1.1);
}

pre {
  background: var(--code-bg);
  color: var(--code-text);
  padding: 15px;
  border-radius: 5px;
  overflow-x: auto;
  font-size: 0.9rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  background: var(--code-bg);
}

th, td {
  padding: 10px;
  text-align: left;
  border: 1px solid var(--border-glow);
}

@media (min-width: 768px) {
  .module {
    grid-column: span 6;
  }
}

@media (min-width: 1024px) {
  .module {
    grid-column: span 4;
  }
}

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

.loader {
  width: 50px;
  height: 50px;
  border: 5px solid var(--secondary-bg);
  border-top: 5px solid transparent;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 20px auto;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

footer {
  text-align: center;
  padding: 10px;
  background: rgba(0, 0, 0, 0.5);
  color: var(--accent-color);
  margin-top: 20px;
}