/* General Styles */
body {
  font-family: 'Roboto', sans-serif;
  margin: 0;
  padding: 0;
  background-color: #121212;
  color: white;
  display: flex;
  flex-direction: column;
  height: 100vh;
}

h1, h2 {
  margin: 0;
}

input, button {
  margin: 8px;
  padding: 12px;
  border-radius: 4px;
  border: 1px solid #43a047;
  background-color: #1e1e1e;
  color: white;
}

button {
  cursor: pointer;
}

a {
  color: #43a047;
  text-decoration: none;
}

main {
  flex: 1;
  padding-bottom: 60px; /* Give space for bottom navigation bar */
}

/* Fixed Bottom Navigation Bar */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-around;
  background-color: #1a1a1a;
  padding: 12px 0;
  border-top: 1px solid #333;
  box-shadow: 0 -2px 6px rgba(0, 0, 0, 0.1);
  z-index: 100;
}

.bottom-nav span {
  font-size: 24px;
  color: #43a047;
  cursor: pointer;
}

/* Login Screen */
.login-screen {
  text-align: center;
  margin-top: 20vh;
}

/* App Bar */
.app-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: #1a1a1a;
  color: white;
  padding: 16px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

/* Sidebar for Chat */
.sidebar {
  width: 200px;
  background-color: #1e1e1e;
  padding: 16px;
  height: 100%;
}

.chat-main {
  flex: 1;
  padding: 16px;
  background-color: #121212;
}