* {
  font-family: 'Inter', 'ui-sans-serif', 'system-ui', '-apple-system', 'BlinkMacSystemFont', 'Segoe UI', 'Roboto', 'Helvetica Neue', 'Arial', sans-serif;
}

body {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::-webkit-scrollbar {
  width: 6px;
}

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

::-webkit-scrollbar-thumb {
  background: #565656;
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: #6e6e6e;
}

.message-content {
  line-height: 1.75;
}

.typing-indicator span {
  animation: typing 1.4s infinite both;
}

.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);
    opacity: 0.4;
  }
  30% {
    transform: translateY(-4px);
    opacity: 1;
  }
}

.fade-in {
  animation: fadeIn 0.2s ease-in-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

textarea {
  resize: none;
}

textarea::-webkit-scrollbar {
  width: 4px;
}

.icon {
  width: 20px;
  height: 20px;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
}

.icon-sm {
  width: 16px;
  height: 16px;
}

.icon-lg {
  width: 24px;
  height: 24px;
}

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  background: transparent;
  cursor: pointer;
}

input[type="range"]::-webkit-slider-runnable-track {
  background: #424242;
  height: 4px;
  border-radius: 2px;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  margin-top: -6px;
  background-color: #ececec;
  height: 16px;
  width: 16px;
  border-radius: 50%;
}

input[type="range"]::-moz-range-track {
  background: #424242;
  height: 4px;
  border-radius: 2px;
}

input[type="range"]::-moz-range-thumb {
  background-color: #ececec;
  height: 16px;
  width: 16px;
  border-radius: 50%;
  border: none;
}

select {
  background-image: none;
}

input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
  opacity: 1;
}

::selection {
  background: rgba(255, 255, 255, 0.2);
}

button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 2px solid #ececec;
  outline-offset: 2px;
}

textarea:focus-visible {
  outline: none;
}

.sidebar-transition {
  transition: width 0.2s ease-in-out, transform 0.2s ease-in-out;
}

.code-block {
  background: #1e1e1e;
  border-radius: 8px;
  padding: 16px;
  overflow-x: auto;
  font-family: 'Fira Code', 'Consolas', 'Monaco', monospace;
  font-size: 14px;
}

.prose p {
  margin-bottom: 1em;
}

.prose ul, .prose ol {
  padding-left: 1.5em;
  margin-bottom: 1em;
}

.prose li {
  margin-bottom: 0.25em;
}

.prose code {
  background: rgba(255, 255, 255, 0.1);
  padding: 0.2em 0.4em;
  border-radius: 4px;
  font-size: 0.9em;
}

.prose pre {
  background: #1e1e1e;
  border-radius: 8px;
  padding: 16px;
  overflow-x: auto;
  margin: 1em 0;
}

.prose pre code {
  background: none;
  padding: 0;
}