body, html {
  height: 100%;
  margin: 0;
  padding: 0;
  font-family: sans-serif;
  background: linear-gradient(to bottom right, #1e3c72, #9b59b6); /* blue to purple */
  color: white;
  display: flex;
  flex-direction: column;
  align-items: center;
  overflow-y: auto;
}

header {
  text-align: center;
  margin: 30px 0;
}

header h1 {
  font-size: 2.5em;
  margin: 0;
  color: white;
}

#new-thread, .thread, .reply, .auth-container {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255,255,255,0.2);
  padding: 15px;
  margin-bottom: 20px;
  border-radius: 10px;
  width: 90%;
  max-width: 700px;
}

textarea, input[type="text"], input[type="password"] {
  width: 100%;
  background: #eee;
  color: black;
  padding: 10px;
  margin-top: 10px;
  border: none;
  border-radius: 5px;
}

button {
  margin-top: 10px;
  padding: 10px 16px;
  border: none;
  background: #6c5ce7;
  color: white;
  border-radius: 5px;
  cursor: pointer;
}

button:hover {
  background: #5a4dbf;
}

img {
  max-width: 100%;
  margin-top: 10px;
  border-radius: 5px;
}

.emoji-wrap {
  position: relative;
}

.emoji-button {
  position: absolute;
  right: 10px;
  bottom: 10px;
  background: transparent;
  border: none;
  font-size: 1.2em;
  cursor: pointer;
}

/* Auth container for login/register */
.auth-container {
  margin-top: 50px;
  text-align: center;
}