@import "tailwindcss";
@import "tw-animate-css";

@custom-variant dark (&:is(.dark *));
@custom-variant hc (&:is([data-high-contrast=true] *));

@theme inline {
  --color-background: var(--background);
  --color-foreground: var(--foreground);
  --font-sans: var(--font-geist-sans);
  --font-mono: var(--font-geist-mono);
  --color-sidebar-ring: var(--sidebar-ring);
  --color-sidebar-border: var(--sidebar-border);
  --color-sidebar-accent-foreground: var(--sidebar-accent-foreground);
  --color-sidebar-accent: var(--sidebar-accent);
  --color-sidebar-primary-foreground: var(--sidebar-primary-foreground);
  --color-sidebar-primary: var(--sidebar-primary);
  --color-sidebar-foreground: var(--sidebar-foreground);
  --color-sidebar: var(--sidebar);
  --color-chart-5: var(--chart-5);
  --color-chart-4: var(--chart-4);
  --color-chart-3: var(--chart-3);
  --color-chart-2: var(--chart-2);
  --color-chart-1: var(--chart-1);
  --color-ring: var(--ring);
  --color-input: var(--input);
  --color-border: var(--border);
  --color-destructive: var(--destructive);
  --color-accent-foreground: var(--accent-foreground);
  --color-accent: var(--accent);
  --color-muted-foreground: var(--muted-foreground);
  --color-muted: var(--muted);
  --color-secondary-foreground: var(--secondary-foreground);
  --color-secondary: var(--secondary);
  --color-primary-foreground: var(--primary-foreground);
  --color-primary: var(--primary);
  --color-popover-foreground: var(--popover-foreground);
  --color-popover: var(--popover);
  --color-card-foreground: var(--card-foreground);
  --color-card: var(--card);
  --color-message-user: var(--message-user);
  --color-message-assistant: var(--message-assistant);
  --color-message-highlight: var(--message-highlight);
  --color-message-selected: var(--message-selected);
  --color-message-high-contrast: var(--message-high-contrast);
  --radius-sm: calc(var(--radius) - 4px);
  --radius-md: calc(var(--radius) - 2px);
  --radius-lg: var(--radius);
  --radius-xl: calc(var(--radius) + 4px);
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-5: 40px;
  --space-6: 48px;
  --space-7: 56px;
  --space-8: 64px;
}

:root {
  --radius: 0.625rem;
  --background: oklch(1 0 0);
  --foreground: oklch(0.141 0.005 285.823);
  --card: oklch(1 0 0);
  --card-foreground: oklch(0.141 0.005 285.823);
  --popover: oklch(1 0 0);
  --popover-foreground: oklch(0.141 0.005 285.823);
  --primary: oklch(0.21 0.006 285.885);
  --primary-foreground: oklch(0.985 0 0);
  --secondary: oklch(0.967 0.001 286.375);
  --secondary-foreground: oklch(0.21 0.006 285.885);
  --muted: oklch(0.967 0.001 286.375);
  --muted-foreground: oklch(0.552 0.016 285.938);
  --accent: oklch(0.967 0.001 286.375);
  --accent-foreground: oklch(0.21 0.006 285.885);
  --destructive: oklch(0.577 0.245 27.325);
  --border: oklch(0.92 0.004 286.32);
  --input: oklch(0.92 0.004 286.32);
  --ring: oklch(0.705 0.015 286.067);
  --chart-1: oklch(0.646 0.222 41.116);
  --chart-2: oklch(0.6 0.118 184.704);
  --chart-3: oklch(0.398 0.07 227.392);
  --chart-4: oklch(0.828 0.189 84.429);
  --chart-5: oklch(0.769 0.188 70.08);
  --sidebar: oklch(0.985 0 0);
  --sidebar-foreground: oklch(0.141 0.005 285.823);
  --sidebar-primary: oklch(0.21 0.006 285.885);
  --sidebar-primary-foreground: oklch(0.985 0 0);
  --sidebar-accent: oklch(0.967 0.001 286.375);
  --sidebar-accent-foreground: oklch(0.21 0.006 285.885);
  --sidebar-border: oklch(0.92 0.004 286.32);
  --sidebar-ring: oklch(0.705 0.015 286.067);
  --message-user: oklch(0.965 0.02 245);
  --message-assistant: oklch(0.972 0.012 300);
  --message-highlight: oklch(0.94 0.02 250);
  --message-selected: oklch(0.92 0.02 285);
  --message-high-contrast: oklch(0.99 0 0);
}

.dark {
  --background: oklch(0.141 0.005 285.823);
  --foreground: oklch(0.985 0 0);
  --card: oklch(0.21 0.006 285.885);
  --card-foreground: oklch(0.985 0 0);
  --popover: oklch(0.21 0.006 285.885);
  --popover-foreground: oklch(0.985 0 0);
  --primary: oklch(0.92 0.004 286.32);
  --primary-foreground: oklch(0.21 0.006 285.885);
  --secondary: oklch(0.274 0.006 286.033);
  --secondary-foreground: oklch(0.985 0 0);
  --muted: oklch(0.274 0.006 286.033);
  --muted-foreground: oklch(0.705 0.015 286.067);
  --accent: oklch(0.274 0.006 286.033);
  --accent-foreground: oklch(0.985 0 0);
  --destructive: oklch(0.704 0.191 22.216);
  --border: oklch(1 0 0 / 10%);
  --input: oklch(1 0 0 / 15%);
  --ring: oklch(0.552 0.016 285.938);
  --chart-1: oklch(0.488 0.243 264.376);
  --chart-2: oklch(0.696 0.17 162.48);
  --chart-3: oklch(0.769 0.188 70.08);
  --chart-4: oklch(0.627 0.265 303.9);
  --chart-5: oklch(0.645 0.246 16.439);
  --sidebar: oklch(0.21 0.006 285.885);
  --sidebar-foreground: oklch(0.985 0 0);
  --sidebar-primary: oklch(0.488 0.243 264.376);
  --sidebar-primary-foreground: oklch(0.985 0 0);
  --sidebar-accent: oklch(0.274 0.006 286.033);
  --sidebar-accent-foreground: oklch(0.985 0 0);
  --sidebar-border: oklch(1 0 0 / 10%);
  --sidebar-ring: oklch(0.552 0.016 285.938);
  --message-user: oklch(0.23 0.02 245);
  --message-assistant: oklch(0.24 0.015 300);
  --message-highlight: oklch(0.34 0.02 250);
  --message-selected: oklch(0.25 0.02 285);
  --message-high-contrast: oklch(0.18 0.005 286);
}

:root[data-high-contrast="true"] {
  --message-user: oklch(0.9 0 0);
  --message-assistant: oklch(0.9 0 0);
  --message-highlight: oklch(0.8 0 0);
  --message-selected: oklch(0.7 0 0);
  --message-high-contrast: oklch(0.99 0 0);
}

@layer base {
  *,
  *::before,
  *::after {
    @apply border-border outline-ring/50;
    box-sizing: border-box;
  }
  
  html {
    overflow-x: hidden;
  }
  
  body {
    @apply bg-background text-foreground;
    overflow-x: hidden;
    width: 100%;
    max-width: 100vw;
  }
}

/* Custom Scrollbar Styles - Padronizado para toda interface */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: hsl(var(--muted));
  border-radius: 4px;
}

::-webkit-scrollbar-thumb {
  background: hsl(var(--primary));
  border-radius: 4px;
  transition: background 0.2s ease;
}

::-webkit-scrollbar-thumb:hover {
  background: hsl(var(--primary) / 0.8);
}

/* Firefox scrollbar */
* {
  scrollbar-width: thin;
  scrollbar-color: hsl(var(--primary)) hsl(var(--muted));
}

/* Responsive adjustments */
@media (max-width: 640px) {
  ::-webkit-scrollbar {
    width: 6px;
    height: 6px;
  }
}

/* Responsive layout adjustments */
@media (max-width: 650px) {
  /* Sidebar compact mode - hide labels, show only icons */
  .sidebar-compact .sidebar-label {
    display: none;
  }
  
  .sidebar-compact .sidebar-icon {
    font-size: 24px;
  }
}

/* Ensure proper spacing and padding at all resolutions */
@media (min-width: 320px) and (max-width: 2560px) {
  /* Prevent layout breaking at extreme sizes */
  .chat-container {
    min-width: 320px;
    max-width: 100vw;
  }
  
  .message-container {
    padding-left: clamp(12px, 4vw, 24px);
    padding-right: clamp(12px, 4vw, 24px);
  }
}

/* Prevent text overflow in cards and messages */
.truncate-with-ellipsis {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Ensure cards never stick to edges */
.card-container {
  padding: clamp(8px, 2vw, 16px);
}

/* Sidebar chat item - prevent overflow and ensure proper truncation */
.sidebar-chat-item {
  width: 100%;
  min-width: 0;
  overflow: hidden;
}

.sidebar-chat-item-content {
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
  width: 100%;
  min-width: 0;
}

.sidebar-chat-item-text {
  flex: 1;
  min-width: 0;
  overflow: hidden;
}

.sidebar-chat-item-title {
  width: 100%;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: block;
}

.sidebar-chat-item-date {
  width: 100%;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: block;
}

/* Responsive font sizes */
@media (max-width: 640px) {
  .responsive-text {
    font-size: clamp(14px, 4vw, 16px);
  }
}

/* Model name truncation - ensure long model names don't break layout */
.model-name {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 70vw;
  display: inline-block;
  vertical-align: middle;
}

@media (max-width: 600px) {
  .model-name {
    max-width: 54vw;
    font-size: 15px;
  }
}

/* Select value truncation */
[data-radix-select-trigger] span {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
  display: block;
}

/* Ensure SelectItems also truncate properly */
[data-radix-select-item] {
  min-width: 0;
}

[data-radix-select-item] span {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 70vw;
  display: block;
}

/* Scrollbar específico para lista de chats - mais fino e discreto */
.sidebar-chat-list::-webkit-scrollbar {
  width: 6px;
}

.sidebar-chat-list::-webkit-scrollbar-track {
  background: transparent;
  border-radius: 3px;
}

.sidebar-chat-list::-webkit-scrollbar-thumb {
  background: hsl(var(--muted-foreground) / 0.3);
  border-radius: 3px;
  transition: background 0.2s ease;
}

.sidebar-chat-list::-webkit-scrollbar-thumb:hover {
  background: hsl(var(--primary) / 0.6);
}

/* Firefox scrollbar para lista de chats */
.sidebar-chat-list {
  scrollbar-width: thin;
  scrollbar-color: hsl(var(--muted-foreground) / 0.3) transparent;
}

/* Minimalista scrollbar para sources */
.sources-scrollbar {
  scrollbar-width: thin;
  scrollbar-color: hsl(var(--muted-foreground) / 0.2) transparent;
}

.sources-scrollbar::-webkit-scrollbar {
  height: 4px;
}

.sources-scrollbar::-webkit-scrollbar-track {
  background: transparent;
  border-radius: 2px;
}

.sources-scrollbar::-webkit-scrollbar-thumb {
  background: hsl(var(--muted-foreground) / 0.2);
  border-radius: 2px;
  transition: background 0.2s ease;
}

.sources-scrollbar::-webkit-scrollbar-thumb:hover {
  background: hsl(var(--muted-foreground) / 0.35);
}

/* Ocultar scrollbar quando não há overflow */
.sources-scrollbar:not(:hover)::-webkit-scrollbar-thumb {
  background: transparent;
}

/* Utility class para ocultar scrollbar */
.scrollbar-hide {
  -ms-overflow-style: none;  /* IE and Edge */
  scrollbar-width: none;  /* Firefox */
}

.scrollbar-hide::-webkit-scrollbar {
  display: none;  /* Chrome, Safari and Opera */
}

/* Reasoning Chain animations */
@keyframes reasoning-fade-in {
  from { 
    opacity: 0; 
    transform: translateY(4px); 
  }
  to { 
    opacity: 1; 
    transform: translateY(0); 
  }
}

.reasoning-step {
  animation: reasoning-fade-in 0.3s ease-out forwards;
  opacity: 0;
}

/* Staggered reveal para steps */
.reasoning-step:nth-child(1) { animation-delay: 0ms; }
.reasoning-step:nth-child(2) { animation-delay: 100ms; }
.reasoning-step:nth-child(3) { animation-delay: 200ms; }
.reasoning-step:nth-child(4) { animation-delay: 300ms; }
.reasoning-step:nth-child(5) { animation-delay: 400ms; }
.reasoning-step:nth-child(6) { animation-delay: 500ms; }
.reasoning-step:nth-child(7) { animation-delay: 600ms; }
.reasoning-step:nth-child(8) { animation-delay: 700ms; }
.reasoning-step:nth-child(n+9) { animation-delay: 800ms; }