:root {
  --primary-color: #2563eb;
  --secondary-color: #1e40af;
  --background-color: #f8fafc;
  --chat-bg: #ffffff;
  --text-color: #1e293b;
  --border-color: #e2e8f0;
  --shadow-color: rgba(0, 0, 0, 0.1);
}

/* Global Styles */
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--background-color);
  color: var(--text-color);
}

/* Header Styling */
.header {
  background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
  padding: 1.5rem;
  border-radius: 0 0 1rem 1rem;
  margin-bottom: 2rem;
  box-shadow: 0 4px 6px var(--shadow-color);
}

.header h1 {
  color: white;
  font-size: 1.8rem;
  font-weight: 600;
  text-align: center;
  margin: 0;
}

/* Chat Container */
.gradio-container {
  max-width: 1200px !important;
  margin: 0 auto !important;
  padding: 1rem !important;
}

.chat-container {
  background-color: var(--chat-bg);
  border-radius: 1rem;
  box-shadow: 0 4px 6px var(--shadow-color);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

/* Message Bubbles */
.message {
  padding: 1rem;
  border-radius: 1rem;
  margin-bottom: 1rem;
  max-width: 80%;
  animation: fadeIn 0.3s ease-in-out;
}

.user-message {
  background-color: var(--primary-color);
  color: white;
  margin-left: auto;
  border-bottom-right-radius: 0.25rem;
}

.bot-message {
  background-color: var(--background-color);
  border: 1px solid var(--border-color);
  margin-right: auto;
  border-bottom-left-radius: 0.25rem;
}

/* Input Area */
.input-container {
  background-color: var(--chat-bg);
  border-radius: 1rem;
  padding: 1rem;
  box-shadow: 0 4px 6px var(--shadow-color);
}

textarea {
  border: 2px solid var(--border-color) !important;
  border-radius: 0.75rem !important;
  padding: 1rem !important;
  font-size: 1rem !important;
  transition: border-color 0.3s ease !important;
}

textarea:focus {
  border-color: var(--primary-color) !important;
  outline: none !important;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1) !important;
}

/* Buttons */
button {
  background-color: var(--primary-color) !important;
  color: white !important;
  border-radius: 0.75rem !important;
  padding: 0.75rem 1.5rem !important;
  font-weight: 600 !important;
  transition: all 0.3s ease !important;
}

button:hover {
  background-color: var(--secondary-color) !important;
  transform: translateY(-1px);
}

/* Sliders and Additional Inputs */
.additional-inputs {
  background-color: var(--chat-bg);
  border-radius: 1rem;
  padding: 1.5rem;
  margin-top: 1.5rem;
  box-shadow: 0 4px 6px var(--shadow-color);
}

.slider-label {
  font-weight: 600;
  color: var(--text-color);
  margin-bottom: 0.5rem;
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive Design */
@media (max-width: 768px) {
  .header h1 {
    font-size: 1.5rem;
  }
  
  .message {
    max-width: 90%;
  }
  
  .gradio-container {
    padding: 0.5rem !important;
  }
}

/* Accessibility */
button:focus,
textarea:focus {
  outline: 3px solid rgba(37, 99, 235, 0.5) !important;
  outline-offset: 2px !important;
}

/* Loading Indicator */
.loading {
  display: inline-block;
  width: 1.5rem;
  height: 1.5rem;
  border: 3px solid var(--border-color);
  border-radius: 50%;
  border-top-color: var(--primary-color);
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}