/* =============================
   CHATBOT WIDGET - Professional Teal/Gold Theme
============================= */
.chatbot-widget {
  max-width: 900px;
  margin: 0 auto;
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-strong);
  overflow: hidden;
  border: 1px solid var(--card-border);
}

.chat-header {
  background: linear-gradient(135deg, var(--accent-teal) 0%, var(--accent-teal-dark) 100%);
  color: white;
  padding: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.status-indicator {
  width: 12px;
  height: 12px;
  background: var(--color-success);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.5;
  }
}

.header-info h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0;
}

.header-info p {
  font-size: 0.85rem;
  opacity: 0.9;
  margin: 0;
}

.header-right {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.language-dropdown {
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
}

.language-dropdown:hover {
  background: rgba(255, 255, 255, 0.3);
}

.language-dropdown option {
  background: var(--color-neutral-900);
  color: white;
}

.voice-btn {
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: white;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  font-size: 1.2rem;
  padding: 0;
}

.voice-btn:hover {
  background: rgba(255, 255, 255, 0.35);
  transform: scale(1.05);
}

.voice-btn.recording {
  background: var(--color-error);
  border-color: var(--color-error);
  animation: recording-pulse 1s infinite;
}

@keyframes recording-pulse {

  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(185, 28, 28, 0.7);
  }

  50% {
    box-shadow: 0 0 0 10px rgba(185, 28, 28, 0);
  }
}

.messages-container {
  height: 450px;
  overflow-y: auto;
  padding: 1.5rem;
  background: var(--bg-surface-muted);
  scroll-behavior: smooth;
}

.messages-container::-webkit-scrollbar {
  width: 8px;
}

.messages-container::-webkit-scrollbar-track {
  background: var(--bg-surface-muted);
}

.messages-container::-webkit-scrollbar-thumb {
  background: var(--accent-teal);
  border-radius: 4px;
}

.message {
  margin-bottom: 1.5rem;
  display: flex;
  gap: 1rem;
  animation: messageSlide 0.3s ease;
}

@keyframes messageSlide {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.message.user {
  flex-direction: row-reverse;
}

.message-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.message.bot .message-avatar {
  background: linear-gradient(135deg, var(--accent-teal) 0%, var(--accent-teal-dark) 100%);
  color: white;
}

.message.user .message-avatar {
  background: var(--accent-gold);
  color: var(--color-neutral-900);
  font-weight: 700;
}

.message-content {
  max-width: 70%;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-lg);
  line-height: 1.6;
}

.message.bot .message-content {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  color: var(--text-main);
}

.message.user .message-content {
  background: linear-gradient(135deg, var(--accent-teal) 0%, var(--accent-teal-dark) 100%);
  color: white;
}

.message-time {
  font-size: 0.75rem;
  color: var(--text-soft);
  margin-top: 0.5rem;
  opacity: 0.7;
}

.chat-input-form {
  padding: 1.5rem;
  background: var(--card-bg);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  gap: 1rem;
}

.chat-input {
  flex: 1;
  padding: 0.875rem 1.25rem;
  border: 2px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  font-size: 0.95rem;
  font-family: inherit;
  background: var(--bg-surface);
  color: var(--text-main);
  transition: var(--transition);
}

.chat-input:focus {
  outline: none;
  border-color: var(--accent-teal);
  box-shadow: 0 0 0 3px rgba(30, 127, 127, 0.1);
}

.send-btn {
  background: linear-gradient(135deg, var(--accent-teal) 0%, var(--accent-teal-dark) 100%);
  color: white;
  border: none;
  width: 50px;
  height: 50px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.5rem;
  transition: var(--transition);
  flex-shrink: 0;
  padding: 0;
}

.send-btn:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-md);
  background: linear-gradient(135deg, var(--accent-teal-dark) 0%, var(--accent-teal) 100%);
}

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

.voice-visualizer {
  padding: 2rem;
  background: var(--bg-surface-muted);
  border-top: 1px solid var(--border-subtle);
  text-align: center;
}

.voice-visualizer canvas {
  width: 100%;
  max-width: 300px;
  height: 100px;
  margin-bottom: 1rem;
}

.voice-status-text {
  color: var(--text-muted);
  font-weight: 600;
  animation: pulse 1.5s infinite;
}

.typing-indicator {
  display: flex;
  gap: 0.3rem;
  padding: 1rem 1.25rem;
}

.typing-indicator span {
  width: 8px;
  height: 8px;
  background: var(--text-soft);
  border-radius: 50%;
  animation: typing 1.4s infinite;
}

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

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

@keyframes typing {

  0%,
  60%,
  100% {
    transform: translateY(0);
  }

  30% {
    transform: translateY(-10px);
  }
}

/* Welcome Message Styling */
.welcome-message {
  background: var(--accent-teal-soft-bg);
  border: 2px solid var(--accent-teal);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-bottom: 2rem;
  text-align: center;
}

.welcome-message h4 {
  color: var(--accent-teal);
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
}

.welcome-message p {
  color: var(--text-muted);
  margin: 0;
}

/* =============================
   USEFUL LINKS SECTION
============================= */
.useful-links-section {
  background: var(--bg-surface-muted);
  padding: 5rem 0;
}

.links-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.link-category {
  background: var(--card-bg);
  padding: 2rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--card-border);
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.link-category:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent-teal);
}

.category-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--accent-teal);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.link-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.link-list li {
  margin-bottom: 1rem;
}

.link-list li a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  transition: var(--transition);
  background: var(--bg-surface);
  border: 1px solid transparent;
}

.link-list li a:hover {
  color: var(--accent-teal);
  background: var(--accent-teal-soft-bg);
  border-color: var(--accent-teal);
  padding-left: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.link-list li a::before {
  content: '→';
  margin-right: 0.75rem;
  color: var(--accent-teal);
  font-weight: 700;
  transition: var(--transition);
}

.link-list li a:hover::before {
  transform: translateX(3px);
}

/* =============================
   DOCUMENT UPLOAD SECTION
============================= */
.document-upload-section {
  max-width: 800px;
  margin: 3rem auto;
}

.upload-form {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: 2rem;
  border: 1px solid var(--card-border);
  box-shadow: var(--shadow-md);
}

.drop-zone {
  border: 3px dashed var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 3rem 2rem;
  text-align: center;
  background: var(--bg-surface-muted);
  transition: var(--transition);
  cursor: pointer;
  margin-bottom: 2rem;
}

.drop-zone:hover,
.drop-zone.dragover {
  border-color: var(--accent-teal);
  background: var(--accent-teal-soft-bg);
}

.drop-zone-content {
  pointer-events: none;
}

.upload-icon {
  font-size: 4rem;
  margin-bottom: 1rem;
}

.drop-zone h3 {
  font-size: 1.25rem;
  color: var(--text-main);
  margin-bottom: 0.5rem;
}

.drop-zone p {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.upload-details {
  background: var(--bg-surface);
  padding: 1.5rem;
  border-radius: var(--radius);
  margin-top: 1.5rem;
}

.file-info {
  margin: 1rem 0;
}

.file-name-display {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.file-size-display {
  color: var(--text-soft);
  font-size: 0.85rem;
  margin-top: 0.25rem;
}

.documents-list {
  max-width: 1000px;
  margin: 3rem auto;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.document-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  transition: var(--transition);
}

.document-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--accent-teal);
}

.document-alerts {
  max-width: 800px;
  margin: 2rem auto;
}

@media (max-width: 768px) {
  .messages-container {
    height: 350px;
  }

  .message-content {
    max-width: 85%;
  }

  .chat-header {
    flex-direction: column;
    gap: 1rem;
    align-items: flex-start;
  }

  .header-right {
    width: 100%;
    justify-content: space-between;
  }

  .links-grid {
    grid-template-columns: 1fr;
  }

  .documents-list {
    grid-template-columns: 1fr;
  }
}