:root {
  --main-color: #06a0e4;
  --bg-color: #eaf3fc;
  --header-bg: #06a0e4;
  --header-text: white;
  --button-bg: #ffffff;
  --button-text: #06a0e4;
}

html.dark {
  --main-color: #ffffff;
  --bg-color: #1a1a1a;
  --header-bg: #06a0e4;
  --header-text: white;
  --button-bg: #333;
  --button-text: #ffffff;
}

body {
  background-color: var(--bg-color);
  color: var(--main-color);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  margin: 0;
  transition: background-color 0.3s, color 0.3s;
}

header {
  background-color: var(--header-bg);
  color: var(--header-text);
  display: flex;
  justify-content: flex-start;
  align-items: center;
  padding: 10px 40px;
  gap: 20px;
}

.header-buttons {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto; /* Push buttons to right */
}

button {
  border: none;
  border-radius: 5px;
  background-color: var(--button-bg);
  color: var(--button-text);
  padding: 5px 10px;
  font-size: 18px;
  cursor: pointer;
  transition: transform 0.2s, background-color 0.2s, color 0.2s;
}

button:hover {
  transform: scale(1.1);
  background-color: #bbb;
}

html.dark button:hover {
  background-color: #555;
}

/* Language dropdown */
.language-dropdown {
  position: relative;
}

.dropdown-content {
  display: none;
  position: absolute;
  background-color: var(--bg-color);
  min-width: 140px;
  box-shadow: 0px 4px 6px rgba(0,0,0,0.1);
  border-radius: 5px;
  z-index: 1000;
  max-height: 200px;
  overflow-y: auto;
}

.dropdown-content div {
  padding: 8px 12px;
  cursor: pointer;
  color: var(--main-color); /* Follow theme: blue in light, white in dark */
}

.dropdown-content div:hover {
  background-color: #ddd;
}

.language-dropdown.show .dropdown-content {
  display: block;
}

main {
  text-align: center;
  margin-top: 50px;
}