/* ====================== Navbar ====================== */
header {
  position: fixed;
  width: 100%;
  top: 0;
  left: 0;
  background: #fff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 50px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  z-index: 1000;
  transition: background 0.3s;
}

header.scrolled {
  background: #1305d4;
  color: #fff;
}

.logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
}

.school-logo {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  border: 3px solid #dfee14;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.school-logo:hover {
  transform: scale(1.2);
  cursor: pointer;
}

.logo h1 {
  font-size: 1.5rem;
  color: #1305d4;
}

.logo .tagline {
  font-size: 0.9rem;
  color: #f9d342;
  font-weight: bold;
}

nav {
  display: flex;
  align-items: center;
  gap: 20px;
}

header nav ul {
  display: flex;
  list-style: none;
  gap: 25px;
  margin: 0;
  padding: 0;
}

header nav ul li a {
  text-decoration: none;
  color: inherit;
  font-weight: bold;
  transition: color 0.3s;
}

header nav ul li a:hover {
  color: #f9d342;
}

/* ====== زر تغيير المود ====== */
#toggleTheme {
  font-size: 1.2rem;
  color: #ffffff;
  background: #1305d4;
  border: none;
  border-radius: 8px;
  padding: 8px 12px;
  cursor: pointer;
  transition: all 0.3s ease;
}

#toggleTheme:hover {
  background: #1305d4;
  color: #f9d342;
}