body {
  margin: 0;
  font-family: 'Cairo', sans-serif;
  background-color: #34495e;
  color: white;
  direction: rtl;
  transition: background-color 0.3s, color 0.3s;
}

.light-mode {
  background-color: #f4f4f4;
  color: #222;
}

header {
  background-color: #2c3e50;
  padding: 15px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

header h1 {
  margin: 0;
}

header button {
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
  color: white;
}

.container {
  display: flex;
  min-height: calc(100vh - 120px);
}

aside {
  width: 250px;
  background-color: #2c3e50;
  padding: 20px;
}

aside ul {
  list-style: none;
  padding: 0;
}

aside li {
  margin-bottom: 15px;
}

aside a {
  color: white;
  text-decoration: none;
}

main {
  flex: 1;
  padding: 20px;
}

footer {
  text-align: center;
  padding: 15px;
  background-color: #2c3e50;
}

/* Light Mode */
body.light-mode header,
body.light-mode aside,
body.light-mode footer {
  background-color: #ffffff;
  color: #000;
}

body.light-mode a {
  color: #000;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 20px;
  margin-top: 20px;
}

.card {
  background-color: #2c3e50;
  border-radius: 12px;
  padding: 20px;
  color: white;
  transition: transform 0.3s ease;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.card:hover {
  transform: scale(1.02);
}

.card img {
  max-width: 100%;
  border-radius: 8px;
  margin-bottom: 15px;
}

.card h3 {
  margin-top: 0;
}

.card p {
  margin: 10px 0;
}

.card a {
  display: inline-block;
  margin-top: 10px;
  background-color: #1abc9c;
  padding: 8px 16px;
  border-radius: 6px;
  color: white;
  text-decoration: none;
}

.card a:hover {
  background-color: #16a085;
}

.nav-links li {
  list-style: none;
}
.nav-links li a {
  color: white;
  text-decoration: none;
  font-size: 16px;
  padding: 10px 20px;
  display: block;
  transition: color 0.3s;
}
.nav-links li a:hover {
  color: #1abc9c;
}