main {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 2rem;
  width: 100%;
  box-sizing: border-box;
}

#chat-container {
  width: 100%;
  height: 85vh;
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.2);
}

#messages {
  flex: 1;
  padding: 20px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  scrollbar-width: thin;
  scrollbar-color: var(--accent-color) transparent;
}

#messages::-webkit-scrollbar {
  width: 8px;
}

#messages::-webkit-scrollbar-thumb {
  background-color: var(--accent-color);
  border-radius: 10px;
}

.message {
  display: flex;
  align-items: flex-start;
  gap: 15px;
  padding: 1rem;
  border-radius: 10px;
  max-width: 90%;
}

.message.user {
    align-self: flex-end;
    background-color: rgba(244, 162, 97, 0.8);
    color: var(--dark-text);
}

.message.bot {
  align-self: flex-start;
  background-color: rgba(74, 108, 74, 0.8);
}

.message-icon {
  font-size: 1.5rem;
}

.message-content {
  line-height: 1.6;
  font-size: 1rem;
  padding-top: 0.25rem;
}

.message.user .message-content {
    color: var(--dark-text);
}

.message.bot .message-content {
    color: var(--light-text);
}

.message-content strong {
    color: var(--light-text);
}

#chat-form-container {
    padding: 1rem;
    border-top: 1px solid var(--glass-border);
}

#chat-form {
  position: relative;
  display: flex;
  align-items: center;
  background-color: rgba(0,0,0,0.2);
  border-radius: 10px;
}

#user-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  resize: none;
  padding: 1rem 3.5rem 1rem 1rem;
  font-family: 'Nunito', sans-serif;
  font-size: 1rem;
  color: var(--light-text);
  max-height: 200px;
  overflow-y: auto;
}

#user-input::placeholder {
    color: var(--light-text);
    opacity: 0.7;
}

#chat-form button {
  position: absolute;
  right: 0.5rem;
  bottom: 0.5rem;
  background: transparent;
  border: none;
  color: var(--light-text);
  font-size: 1.5rem;
  padding: 0.5rem;
  cursor: pointer;
  transition: all 0.3s;
  border-radius: 5px;
}

#chat-form button:hover {
  color: var(--accent-color);
}

#send-btn {
    font-size: 1rem;
}

#voice-instruction {
    color: var(--light-text);
    text-align: center;
    padding-bottom: 0.5rem;
    transition: opacity 0.3s;
    opacity: 0.8;
}

.hidden {
    opacity: 0 !important;
    height: 0;
    padding-bottom: 0;
    margin: 0;
    overflow: hidden;
}

@keyframes pulsing {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.2);
  }
  100% {
    transform: scale(1);
  }
}

#voice-btn.recording {
  animation: pulsing 1.5s infinite;
  color: var(--accent-color);
}