@import "tailwindcss";

@theme {
  --color-surface-0: #09090b;
  --color-surface-1: #18181b;
  --color-surface-2: #27272a;
  --color-surface-3: #3f3f46;
  --color-border: #27272a;
  --color-border-subtle: #1e1e22;
  --color-accent: #6366f1;
  --color-accent-hover: #818cf8;
  --color-accent-muted: rgba(99, 102, 241, 0.15);
}

:root {
  color-scheme: dark;
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--color-surface-0);
}

#root {
  min-height: 100vh;
}

button,
input,
select,
textarea {
  font: inherit;
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 6px;
}

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

::-webkit-scrollbar-thumb {
  background: #3f3f46;
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: #52525b;
}

/* Window drag regions for custom title bar */
.drag-region {
  -webkit-app-region: drag;
}

.no-drag {
  -webkit-app-region: no-drag;
}

/* Thinking dots animation */
@keyframes thinking-dot {
  0%,
  60%,
  100% {
    opacity: 0.3;
    transform: scale(0.8);
  }
  30% {
    opacity: 1;
    transform: scale(1);
  }
}

.thinking-dot {
  animation: thinking-dot 1.4s ease-in-out infinite;
}

.thinking-dot:nth-child(2) {
  animation-delay: 0.2s;
}

.thinking-dot:nth-child(3) {
  animation-delay: 0.4s;
}

/* Auto-resize textarea helper */
.auto-resize-textarea {
  field-sizing: content;
  min-height: 44px;
  max-height: 200px;
}

/* Sidebar running-session pulse animation */
@keyframes sidebar-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.sidebar-pulse {
  animation: sidebar-pulse 2s ease-in-out infinite;
}

/* Markdown prose styles for chat messages */
.markdown-content {
  line-height: 1.7;
  word-break: break-word;
}

.markdown-content > *:first-child {
  margin-top: 0;
}

.markdown-content > *:last-child {
  margin-bottom: 0;
}

.markdown-content h1,
.markdown-content h2,
.markdown-content h3,
.markdown-content h4,
.markdown-content h5,
.markdown-content h6 {
  font-weight: 600;
  color: #e4e4e7;
  margin-top: 1.25em;
  margin-bottom: 0.5em;
  line-height: 1.4;
}

.markdown-content h1 { font-size: 1.25rem; }
.markdown-content h2 { font-size: 1.125rem; }
.markdown-content h3 { font-size: 1rem; }

.markdown-content p {
  margin-top: 0.625em;
  margin-bottom: 0.625em;
}

.markdown-content ul,
.markdown-content ol {
  margin-top: 0.5em;
  margin-bottom: 0.5em;
  padding-left: 1.5em;
}

.markdown-content ul { list-style-type: disc; }
.markdown-content ol { list-style-type: decimal; }

.markdown-content li {
  margin-top: 0.25em;
  margin-bottom: 0.25em;
}

.markdown-content li > p {
  margin-top: 0.25em;
  margin-bottom: 0.25em;
}

.markdown-content blockquote {
  border-left: 3px solid #3f3f46;
  padding-left: 1em;
  color: #a1a1aa;
  margin-top: 0.75em;
  margin-bottom: 0.75em;
}

.markdown-content table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 0.75em;
  margin-bottom: 0.75em;
  font-size: 0.875rem;
}

.markdown-content th,
.markdown-content td {
  border: 1px solid #27272a;
  padding: 0.5em 0.75em;
  text-align: left;
}

.markdown-content th {
  background: #18181b;
  font-weight: 600;
  color: #d4d4d8;
}

.markdown-content hr {
  border: none;
  border-top: 1px solid #27272a;
  margin: 1.5em 0;
}

.markdown-content strong {
  font-weight: 600;
  color: #e4e4e7;
}

.markdown-content em {
  font-style: italic;
}

.markdown-content img {
  max-width: 100%;
  border-radius: 0.5rem;
}