/* Global Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Segoe UI', sans-serif;
}

html, body {
  height: 100%;
  width: 100%;
  background: #f0f2f5;
  overflow: hidden; /* Prevent page scroll */
}

/* Chat Container */
.chat-container {
  position: fixed; /* Lock in place */
  top: 0;
  left: 0;
  width: 100%;
  height: 100%; /* Full page */
  background: #fff;
  border-radius: 0; /* No rounding on full-page layout */
  display: flex;
  flex-direction: column;
  padding-bottom: 20px;
}

/* Chat Header */
.chat-header {
  background-color: #10a37f;
  padding: 10px;
  text-align: center;
  color: white;
  font-size: 1.2rem; /* Reduced size */
  font-weight: bold;
}

/* Chat Box */
.chat-box {
  flex: 1; /* Fill remaining space */
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 15px;
  background-color: #fafafa;
  overflow-y: auto; /* Scroll inside chat box only */
}

/* Messages */
.message {
  max-width: 80%;
  padding: 12px 18px;
  border-radius: 16px;
  font-size: 1rem;
  line-height: 1.5; /* Better line spacing for Markdown */
  white-space: pre-wrap;
  word-break: break-word;
  overflow-wrap: break-word;
  transform: translateY(20px);
  opacity: 0;
  animation: slide-in 0.3s forwards;
}

/* User messages */
.message.user {
  align-self: flex-end;
  background-color: #10a37f;
  color: white;
}

/* Bot messages */
.message.bot {
  align-self: flex-start;
  background-color: #e5e5ea;
  color: #000;
}

/* Lists inside messages */
.message ol,
.message ul {
  margin: 0 0 0 1.2em; /* Proper indent inside bubble */
  padding-left: 1.2em;
}

.message li {
  margin-bottom: 0.3em; /* Space between items */
}

/* Chat Input */
.chat-input {
  display: flex;
  padding: 15px;
  border-top: 1px solid #ddd;
  background-color: #fff;
}

.chat-input textarea {
  flex: 1;
  padding: 12px;
  border: 1px solid #ccc;
  border-radius: 20px;
  outline: none;
  resize: none;
  min-height: 40px;
  max-height: 150px;
}

.chat-input button {
  padding: 10px 18px;
  margin-left: 10px;
  background-color: #10a37f;
  color: white;
  border: none;
  border-radius: 20px;
  cursor: pointer;
}

.chat-input button:hover {
  background-color: #0e8f6a;
}

/* Spinner */
.spinner {
  border: 4px solid #f3f3f3;
  border-top: 4px solid #10a37f;
  border-radius: 50%;
  width: 20px;
  height: 20px;
  animation: spin 1s linear infinite;
  display: inline-block;
}

/* Animations */
@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes slide-in {
  to {
    transform: translateY(0);
    opacity: 1;
  }
}