/* Chat button */
.chat-button {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #1565c0;
  border: none;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  cursor: pointer;
  z-index: 1000;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  will-change: transform;
}

.chat-button:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}

.chat-button:focus-visible {
  outline: 3px solid #4A9FD8;
  outline-offset: 2px;
}

.chat-button svg {
  fill: white;
  transform: scaleX(-1);
}

/* Chat widget */
.chat-widget {
  position: fixed;
  bottom: 90px;
  right: 20px;
  width: 480px;
  max-width: 90vw;
  height: 500px;
  background: white;
  border-radius: 15px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
  display: none;
  flex-direction: column;
  z-index: 99999999999;
  overflow: hidden;
  animation: slideUp 0.3s ease;
}

.chat-widget.active {
  display: flex;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@media (prefers-reduced-motion: reduce) {
  .chat-widget {
    animation: none;
  }
  .chat-button {
    transition: none;
  }
  .chat-button:hover {
    transform: none;
  }
}
/* Chat header */
.chat-header {
  background: #ffffff;
  color: black;
  padding: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  /*box-shadow: offset-x offset-y blur-radius spread-radius color inset;*/
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
  z-index: 2;
}

.chat-header h5 {
  margin: 0;
  font-weight: bold;
  font-size: 20px;
}

.chat-header h5 img {
  margin-right: 16px;
}

.chat-header-button {
  background: none;
  border: none;
  color: dimgray;
  font-size: 24px;
  cursor: pointer;
  padding: 0;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.8;
  transition: opacity 0.2s;
  border-radius: 4px;
}

.chat-header-button:hover {
  opacity: 1;
}

.chat-header-button:focus-visible {
  outline: 2px solid white;
  outline-offset: 2px;
}

/* Chat body */
.chat-body {
  flex: 1; /* expand body to fit widget */
  padding: 5px 20px;
  overflow-y: auto; /* scroll */
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: #cbd5e0 #f8f9fa;
}

.chat-body::-webkit-scrollbar {
  width: 8px;
}

.chat-body::-webkit-scrollbar-track {
  background: #f8f9fa;
}

.chat-body::-webkit-scrollbar-thumb {
  background: #cbd5e0;
  border-radius: 4px;
}

.chat-body::-webkit-scrollbar-thumb:hover {
  background: #a0aec0;
}

.chat-privacy {
  opacity: 0.8;
  justify-content: center;
  font-size: 0.85em;
  padding: 0;
  text-align: center;
  margin-bottom: 15px;
}

.chat-privacy a {
  font-size: 0.9em;
  text-decoration: underline;
}

/* Chat messages */
.chat-message {
  margin-bottom: 15px;
  display: flex;
}

.chat-message p:last-of-type {
  margin-bottom: 0;
}

.chat-message.assistant {
  justify-content: flex-start;
}

.chat-message.user {
  justify-content: flex-end;
}

.chat-message.assistant .chat-message-title {
  font-weight: bold;
}

.chat-message.assistant .chat-message-content {
  background: #F6F6F6;
  color: #333;
  border-bottom-left-radius: 5px;
}

.chat-message.assistant .chat-message-time {
  color: #666;
  text-align: left;
}

.chat-message.user .chat-message-content {
  background: #DCF6FF;
  border-bottom-right-radius: 5px;
  display: flex;
}

.chat-message.user .chat-message-time {
  color: #333;
  text-align: right;
}

.vote-buttons button {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 15px;
  padding-left: 0;
}

.vote-buttons button i {
  color: gray;
}

.vote-buttons button:focus {
  outline: none;
  box-shadow: none;
}

.chat-message-time {
  font-size: 0.75em;
  color: #888;
  margin-top: 4px;
  opacity: 0.7;
}

.chat-message-content {
  max-width: 90%;
  padding: 12px 16px;
  border-radius: 15px;
  word-wrap: break-word;
  line-height: 1.5;
}

.chat-message-content > h1 {
  font-size: 1.3em;
  margin: 0.5em 0;
}

.chat-message-content > h2 {
  font-size: 1.2em;
  margin: 0.5em 0;
}

.chat-message-content > h3 {
  font-size: 1.1em;
  margin: 0.5em 0;
}

.chat-message-content > h4 {
  font-size: 1em;
  margin: 0.5em 0;
}

/* Loading indicator */
.chat-message.loading .chat-message-content {
  padding: 16px 20px;
}

.chat-message.loading .chat-message-content::after {
  content: "...";
  animation: ellipsis 1.5s infinite;
}

@keyframes ellipsis {
  0% {
    content: ".";
  }
  33% {
    content: "..";
  }
  66% {
    content: "...";
  }
}
/* Chat footer */
.chat-footer {
  padding: 15px;
  background: white;
  border-top: 1px solid #cecece;
}

.chat-input-group {
  display: flex;
  gap: 10px;
}

.chat-input-group textarea {
  max-height: 100px;
}

.chat-input {
  flex: 1;
  border: none;
  padding: 10px 20px;
  outline: none;
  transition: border-color 0.2s;
  font-family: inherit;
  font-size: 14px;
}

.chat-send {
  background: #0079C1;
  border: none;
  color: white;
  border-radius: 50%;
  width: 45px;
  height: 45px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 0.2s;
  flex-shrink: 0;
}

.chat-send:hover:not(:disabled) {
  transform: scale(1.05);
}

.chat-send:focus-visible {
  outline: 3px solid #4A9FD8;
  outline-offset: 2px;
}

.chat-send:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Mobile responsive */
@media (max-width: 576px) {
  .chat-widget {
    width: calc(100vw - 40px);
    height: calc(100vh - 110px);
    right: 20px;
    bottom: 90px;
  }
  .chat-button {
    bottom: 20px;
    right: 20px;
  }
}
@media (max-width: 400px) {
  .chat-widget {
    width: calc(100vw - 20px);
  }
  .chat-button {
    right: 10px;
  }
}
@media (max-width: 767px) {
  .chat-widget {
    width: 100vw !important;
    position: fixed;
    height: 100vh;
    padding: 0;
    margin: 0;
    left: 0;
    right: auto;
    top: 0;
    bottom: auto;
    max-width: 100vw;
    border-radius: 0;
  }
  .chat-footer {
    padding-bottom: 60px;
  }
}