src/index.css

@tailwind base;
@tailwind components;
@tailwind utilities;

:root {
  --primary-bg: #f3f4f6;
  --secondary-bg: #ffffff;
  --text-primary: #1f2937;
  --text-secondary: #4b5563;
  --accent-color: #3b82f6;
}

body {
  background-color: var(--primary-bg);
  font-family: 'Inter', sans-serif;
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Responsive container */
.container {
  width: 100%;
  max-width: 100vw;
  margin: 0 auto;
  padding: 0 0.5rem;
}

@media (min-width: 640px) {
  .container {
    padding: 0 1rem;
  }
}

@media (min-width: 1024px) {
  .container {
    padding: 0 1.5rem;
  }
}

/* Custom scrollbar styles */
.custom-scrollbar {
  scrollbar-width: thin;
  scrollbar-color: rgba(156, 163, 175, 0.5) transparent;
}

.custom-scrollbar::-webkit-scrollbar {
  width: 4px;
}

.custom-scrollbar::-webkit-scrollbar-track {
  background: transparent;
}

.custom-scrollbar::-webkit-scrollbar-thumb {
  background-color: rgba(156, 163, 175, 0.5);
  border-radius: 2px;
}

.custom-scrollbar::-webkit-scrollbar-thumb:hover {
  background-color: rgba(156, 163, 175, 0.8);
}

.no-scrollbar {
  -ms-overflow-style: none;
  scrollbar-width: none;
}

.no-scrollbar::-webkit-scrollbar {
  display: none;
}

/* Chat message styles */
.chat-message {
  @apply p-4 rounded-lg mb-4 break-words;
  max-width: 800px;
  width: 100%;
  animation: fade-up 0.3s ease-out forwards;
}

.chat-message.user {
  @apply bg-blue-50 ml-auto;
}

.chat-message.assistant {
  @apply bg-white mr-auto;
}

/* Input area styles */
.input-area {
  @apply fixed bottom-0 left-0 right-0 bg-white border-t border-gray-200 p-4;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

@media (min-width: 768px) {
  .input-area {
    @apply p-6;
  }
}

/* Message container */
.messages-container {
  @apply pb-32 md:pb-40;
  min-height: calc(100vh - 200px);
}

/* Responsive text sizes */
.text-responsive {
  font-size: clamp(0.875rem, 2vw, 1rem);
}

/* Mobile optimizations */
@media (max-width: 640px) {
  .chat-message {
    max-width: 95%;
    @apply p-3;
  }
  
  .input-area {
    @apply p-3;
  }
  
  .messages-container {
    @apply pb-28;
  }
}

/* Touch-friendly buttons */
.touch-button {
  @apply p-2 rounded-lg transition-colors;
  min-height: 44px;
  min-width: 44px;
}

/* Loading animation */
@keyframes loading-dot {
  0%, 80%, 100% {
    opacity: 0;
  }
  40% {
    opacity: 1;
  }
}

.loading-dot {
  @apply w-2 h-2 bg-gray-400 rounded-full mx-1;
  animation: loading-dot 1.4s infinite ease-in-out both;
}

.loading-dot:nth-child(1) { animation-delay: -0.32s; }
.loading-dot:nth-child(2) { animation-delay: -0.16s; }

/* KaTeX Math Styles */
.katex {
  font-size: 1.1em !important;
}

.katex-display {
  overflow-x: auto;
  overflow-y: hidden;
  padding: 0.5em 0;
  margin: 0.5em 0 !important;
}

.katex-display > .katex {
  white-space: normal;
}

.katex-inline {
  padding: 0 0.2em;
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
  :root {
    --primary-bg: #1a1a1a;
    --secondary-bg: #2d2d2d;
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
  }
  
  body {
    background-color: var(--primary-bg);
    color: var(--text-primary);
  }
  
  .chat-message.user {
    @apply bg-blue-900/20;
  }
  
  .chat-message.assistant {
    @apply bg-gray-800;
  }
  
  .input-area {
    @apply bg-gray-900 border-gray-700;
  }
  
  .prose-invert .katex {
    color: white !important;
  }
  
  .prose-invert .katex .mord,
  .prose-invert .katex .mbin,
  .prose-invert .katex .mrel,
  .prose-invert .katex .mopen,
  .prose-invert .katex .mclose,
  .prose-invert .katex .mpunct,
  .prose-invert .katex .minner {
    color: white !important;
  }
}

/* Replace glow effect with neon effect */
.neon-hover {
  transition: box-shadow 0.3s ease-in-out;
}

.neon-hover:hover {
  box-shadow: 0 0 5px rgba(66, 153, 225, 0.5),
              0 0 10px rgba(66, 153, 225, 0.4),
              0 0 15px rgba(66, 153, 225, 0.3),
              0 0 20px rgba(66, 153, 225, 0.2);
}

@keyframes slide-up {
  from {
    transform: translateY(100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.animate-slide-up {
  animation: slide-up 0.3s ease-out forwards;
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes bounce-subtle {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

.animate-fade-up {
  animation: fade-up 0.6s ease-out forwards;
}

.animate-bounce-subtle {
  animation: bounce-subtle 2s ease-in-out infinite;
}

.animate-loading-dot {
  animation: loading-dot 1.4s infinite ease-in-out both;
}

@keyframes shine {
  from {
    -webkit-mask-position: 150%;
  }
  
  to {
    -webkit-mask-position: -50%;
  }
}

.animate-shine {
  mask-image: linear-gradient(
    -75deg,
    rgba(0,0,0,.6) 30%,
    #000 50%,
    rgba(0,0,0,.6) 70%
  );
  -webkit-mask-image: linear-gradient(
    -75deg,
    rgba(0,0,0,.6) 30%,
    #000 50%,
    rgba(0,0,0,.6) 70%
  );
  mask-size: 200%;
  -webkit-mask-size: 200%;
  animation: shine 2s infinite;
}