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

:root {
  /* Light theme */
  --bg-primary: #ffffff;
  --bg-secondary: #f9fafb;
  --bg-tertiary: #f3f4f6;
  --bg-canvas: #f8fafc;
  --text-primary: #111827;
  --text-secondary: #374151;
  --text-muted: #6b7280;
  --border-color: #e5e7eb;
  --border-light: #f3f4f6;
  --accent-blue: #3b82f6;
  --accent-blue-hover: #2563eb;
  --node-bg: #ffffff;
  --node-border: #e5e7eb;
  --node-selected: #3b82f6;
}

.dark {
  /* Dark theme */
  --bg-primary: #1f2937;
  --bg-secondary: #111827;
  --bg-tertiary: #374151;
  --bg-canvas: #0f172a;
  --text-primary: #f9fafb;
  --text-secondary: #e5e7eb;
  --text-muted: #9ca3af;
  --border-color: #374151;
  --border-light: #4b5563;
  --accent-blue: #60a5fa;
  --accent-blue-hover: #3b82f6;
  --node-bg: #1f2937;
  --node-border: #374151;
  --node-selected: #60a5fa;
}

html, body, #root {
  height: 100%;
  width: 100%;
  margin: 0;
  padding: 0;
  overflow: hidden;
}

/* ReactFlow dark mode overrides */
.dark .react-flow__background {
  background-color: var(--bg-canvas);
}

.dark .react-flow__controls button {
  background-color: var(--bg-primary);
  border-color: var(--border-color);
  color: var(--text-primary);
}

.dark .react-flow__controls button:hover {
  background-color: var(--bg-tertiary);
}

.dark .react-flow__minimap {
  background-color: var(--bg-secondary);
}

.dark .react-flow__edge-path {
  stroke: var(--text-muted);
}

/* Dark mode form elements */
.dark input,
.dark textarea,
.dark select {
  background-color: var(--bg-tertiary) !important;
  border-color: var(--border-color) !important;
  color: var(--text-primary) !important;
}

.dark input::placeholder,
.dark textarea::placeholder {
  color: var(--text-muted) !important;
}

.dark input:focus,
.dark textarea:focus,
.dark select:focus {
  border-color: var(--accent-blue) !important;
  ring-color: var(--accent-blue) !important;
}

/* Dark mode labels and text */
.dark label {
  color: var(--text-secondary);
}

/* Dark mode buttons */
.dark .bg-blue-600 {
  background-color: #2563eb;
}

.dark .bg-blue-600:hover {
  background-color: #1d4ed8;
}

.dark .bg-gray-50 {
  background-color: var(--bg-secondary);
}

.dark .bg-gray-100 {
  background-color: var(--bg-tertiary);
}

.dark .text-gray-700 {
  color: var(--text-secondary);
}

.dark .text-gray-600 {
  color: var(--text-muted);
}

.dark .text-gray-500 {
  color: var(--text-muted);
}

.dark .border-gray-200 {
  border-color: var(--border-color);
}

.dark .border-gray-300 {
  border-color: var(--border-color);
}

/* Dark mode modals and overlays */
.dark .bg-white {
  background-color: var(--bg-primary);
}

/* Quick Chat specific dark mode */
.dark .bg-blue-500 {
  background-color: #3b82f6;
}

.dark .bg-gray-100 {
  background-color: var(--bg-tertiary);
}

.dark .text-gray-800 {
  color: var(--text-primary);
}

/* Dark mode hover states */
.dark .hover\:bg-gray-50:hover {
  background-color: var(--bg-tertiary) !important;
}

.dark .hover\:bg-gray-100:hover {
  background-color: var(--bg-tertiary) !important;
}

.dark .hover\:bg-gray-200:hover {
  background-color: #4b5563 !important;
}

.dark .hover\:text-gray-900:hover {
  color: var(--text-primary) !important;
}

.dark .hover\:bg-blue-50:hover {
  background-color: rgba(59, 130, 246, 0.2) !important;
}

.dark .hover\:bg-blue-100:hover {
  background-color: rgba(59, 130, 246, 0.3) !important;
}

/* Dark mode for radio/checkbox */
.dark input[type="radio"],
.dark input[type="checkbox"] {
  accent-color: var(--accent-blue);
}

/* Allow long math formulas to scroll horizontally */
.katex-display {
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: thin;
  scrollbar-color: rgba(156, 163, 175, 0.5) transparent;
}

.katex-display::-webkit-scrollbar {
  height: 4px;
}

.katex-display::-webkit-scrollbar-track {
  background: transparent;
}

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

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

/* Allow wide markdown tables to scroll horizontally */
.prose table {
  display: block;
  overflow-x: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(156, 163, 175, 0.5) transparent;
  border-collapse: collapse;
}

.prose table::-webkit-scrollbar {
  height: 4px;
}

.prose table::-webkit-scrollbar-track {
  background: transparent;
}

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

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

/* Table borders */
.prose th,
.prose td {
  border: 1px solid rgba(156, 163, 175, 0.3);
  padding: 6px 10px;
}

.dark .prose th,
.dark .prose td {
  border-color: rgba(156, 163, 175, 0.2);
}

/* Global thin scrollbar — matches katex-display style */
* {
  scrollbar-width: thin;
  scrollbar-color: rgba(156, 163, 175, 0.4) transparent;
}

*::-webkit-scrollbar {
  width: 5px;
  height: 4px;
}

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

*::-webkit-scrollbar-thumb {
  background: rgba(156, 163, 175, 0.4);
  border-radius: 3px;
}

*::-webkit-scrollbar-thumb:hover {
  background: rgba(156, 163, 175, 0.7);
}

.dark *::-webkit-scrollbar-thumb {
  background: rgba(156, 163, 175, 0.3);
}

.dark *::-webkit-scrollbar-thumb:hover {
  background: rgba(156, 163, 175, 0.5);
}

/* Hide the selection box that wraps selected nodes */
.react-flow__nodesselection-rect {
  display: none !important;
}

.react-flow__nodesselection {
  display: none !important;
}