/* Dark Developer Theme */
body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  font-size: 15px;
  background-color: #0d1117;
  color: #e6edf3;
  max-width: 1200px;
  margin: auto;
  line-height: 1.6;
  padding: 1em;
}

a {
  color: #58a6ff;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

header {
  text-align: center;
  margin: 2em 0;
  border-bottom: 1px solid #30363d;
  padding-bottom: 1em;
}

h1 {
  font-size: 3em;
  letter-spacing: 0.15em;
  color: #c9d1d9;
  margin-bottom: 0.3em;
}

h2 {
  font-size: 1.4em;
  color: #58a6ff;
  border-bottom: 1px solid #30363d;
  padding-bottom: 0.3em;
  margin-bottom: 0.8em;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

h3 {
  color: #e6edf3;
  font-weight: 600;
  margin-top: 1em;
}

.date {
  color: #8b949e;
  font-size: 0.9em;
}

main {
  display: grid;
  grid-template-columns: 4fr 1fr; /* left 4x larger */
  gap: 2em;
  margin-top: 2em;
}

#mainLeft {
  background-color: #161b22;
  border: 1px solid #30363d;
  border-radius: 8px;
  padding: 1.5em;
  box-shadow: 0 0 12px rgba(0, 0, 0, 0.4);
}

#mainRight {
  background-color: #1c2128;
  border: 1px solid #30363d;
  border-radius: 8px;
  padding: 1.5em;
  box-shadow: 0 0 12px rgba(0, 0, 0, 0.3);
}

/* Lists and Jobs */
.job {
  margin-bottom: 2em;
}

ul {
  margin: 0.5em 0 1.5em 1.2em;
  padding-left: 1em;
}

li {
  margin-bottom: 0.6em;
  color: #c9d1d9;
}

/* Skills */
.skills {
  list-style-type: none;
  padding: 0;
}

.skills li {
  background: #21262d;
  padding: 0.5em 0.8em;
  margin: 0.3em 0;
  border-radius: 6px;
  border: 1px solid #30363d;
}

/* Responsive */
@media (max-width: 900px) {
  main {
    grid-template-columns: 1fr;
  }

  #mainLeft,
  #mainRight {
    padding: 1em;
  }
}

@media (prefers-color-scheme: light) {
  body {
    background: #f4f4f4;
    color: #222;
  }

  #mainLeft,
  #mainRight {
    background: white;
    border-color: #ddd;
  }

  h2 {
    color: #007acc;
  }
}