/* Global & Glow in the Dark Theme */
body {
  margin: 0;
  padding: 0;
  font-family: Arial, sans-serif;
  background-color: #121212;
  color: #e0e0e0;
  display: flex;
  flex-direction: column;
  height: 100vh;
}

/* Header dengan latar gelap dan animasi teks RGB */
header {
  text-align: center;
  padding: 10px;
  background: #1f1f1f;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

#header-title {
  font-size: 24px;
  margin: 0;
  animation: rgbRotate 3s linear infinite;
}

@keyframes rgbRotate {
  0%   { color: #ff0000; }
  33%  { color: #00ff00; }
  66%  { color: #0000ff; }
  100% { color: #ff0000; }
}

/* Main area untuk chat */
main {
  flex: 1;
  overflow-y: auto;
  padding: 10px;
  background-color: #000;
}

#chat-container {
  display: flex;
  flex-direction: column;
  gap: 10px;
  scroll-behavior: smooth; /* Auto-scroll smooth */
}

/* Style bubble chat */
.message {
  max-width: 80%;
  padding: 10px;
  border-radius: 15px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.5);
  white-space: pre-wrap; /* Menampilkan newline & whitespace dengan benar */
  word-wrap: break-word;
}

.message.user {
  align-self: flex-end;
  background-color: #0a84ff;
  color: #fff;
}

.message.bot {
  align-self: flex-start;
  background-color: #2ecc71;
  color: #fff;
}

/* Typing indicator (animasi titik) */
#typing-indicator {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 10px;
}

#typing-indicator.hidden {
  display: none;
}

#typing-indicator .dot {
  width: 8px;
  height: 8px;
  background-color: #fff;
  border-radius: 50%;
  animation: blink 1s infinite;
}

#typing-indicator .dot:nth-child(2) {
  animation-delay: 0.2s;
}

#typing-indicator .dot:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes blink {
  0%, 100% { opacity: 0.2; }
  50% { opacity: 1; }
}

/* Footer & input field */
footer {
  padding: 10px;
  background: #1f1f1f;
  box-shadow: 0 -2px 4px rgba(0, 0, 0, 0.5);
}

#chat-form {
  display: flex;
  gap: 10px;
}

#chat-input {
  flex: 1;
  resize: none;
  padding: 10px;
  border-radius: 10px;
  border: none;
  outline: none;
  font-size: 16px;
  background-color: #333;
  color: #fff;
}

#send-button {
  padding: 10px 20px;
  border: none;
  border-radius: 10px;
  background-color: #e91e63;
  color: #fff;
  font-size: 16px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

#send-button:hover {
  background-color: #d81b60;
}

#send-button:disabled {
  background-color: #555;
  cursor: not-allowed;
}

/* Responsif untuk mobile */
@media (max-width: 600px) {
  #header-title {
    font-size: 20px;
  }
  #chat-input {
    font-size: 14px;
  }
  #send-button {
    font-size: 14px;
  }
}