@import "tailwindcss";
@import "katex/dist/katex.min.css";

@source "../node_modules/streamdown/dist/index.js";

@custom-variant dark (&:is(.dark, .dark *));

@plugin "tailwindcss-animate";
@plugin "@tailwindcss/typography";

@theme inline {
  --radius-sm: calc(var(--radius) - 4px);
  --radius-md: calc(var(--radius) - 2px);
  --radius-lg: var(--radius);
  --radius-xl: calc(var(--radius) + 4px);
  --color-background: var(--background);
  --color-foreground: var(--foreground);
  --color-card: var(--card);
  --color-card-foreground: var(--card-foreground);
  --color-popover: var(--popover);
  --color-popover-foreground: var(--popover-foreground);
  --color-primary: var(--primary);
  --color-primary-foreground: var(--primary-foreground);
  --color-secondary: var(--secondary);
  --color-secondary-foreground: var(--secondary-foreground);
  --color-muted: var(--muted);
  --color-muted-foreground: var(--muted-foreground);
  --color-accent: var(--accent);
  --color-accent-foreground: var(--accent-foreground);
  --color-destructive: var(--destructive);
  --color-border: var(--border);
  --color-input: var(--input);
  --color-ring: var(--ring);
  --color-chart-1: var(--chart-1);
  --color-chart-2: var(--chart-2);
  --color-chart-3: var(--chart-3);
  --color-chart-4: var(--chart-4);
  --color-chart-5: var(--chart-5);
  --color-sidebar: var(--sidebar);
  --color-sidebar-foreground: var(--sidebar-foreground);
  --color-sidebar-primary: var(--sidebar-primary);
  --color-sidebar-primary-foreground: var(--sidebar-primary-foreground);
  --color-sidebar-accent: var(--sidebar-accent);
  --color-sidebar-accent-foreground: var(--sidebar-accent-foreground);
  --color-sidebar-border: var(--sidebar-border);
  --color-sidebar-ring: var(--sidebar-ring);
  --font-family-serif: var(--font-serif);
}

:root {
  --radius: 0.625rem;
  /* Elevate Etiquette — warm blush + powder blue palette */
  --background: oklch(0.98 0.008 350);
  --foreground: oklch(0.18 0.01 50);
  --card: oklch(1 0.002 350);
  --card-foreground: oklch(0.18 0.01 50);
  --popover: oklch(1 0.002 350);
  --popover-foreground: oklch(0.18 0.01 50);
  --primary: oklch(0.65 0.12 350);
  --primary-foreground: oklch(0.99 0.005 350);
  --secondary: oklch(0.955 0.018 350);
  --secondary-foreground: oklch(0.35 0.02 350);
  --muted: oklch(0.94 0.012 230);
  --muted-foreground: oklch(0.5 0.02 50);
  --accent: oklch(0.93 0.02 230);
  --accent-foreground: oklch(0.18 0.01 50);
  --destructive: oklch(0.55 0.15 25);
  --border: oklch(0.9 0.015 350);
  --input: oklch(0.92 0.012 350);
  --ring: oklch(0.72 0.1 350);
  --chart-1: oklch(0.72 0.1 350);
  --chart-2: oklch(0.7 0.08 230);
  --chart-3: oklch(0.55 0.07 227);
  --chart-4: oklch(0.828 0.189 84.429);
  --chart-5: oklch(0.769 0.188 70.08);
  --sidebar: oklch(0.97 0.012 350);
  --sidebar-foreground: oklch(0.35 0.02 50);
  --sidebar-primary: oklch(0.65 0.12 350);
  --sidebar-primary-foreground: oklch(0.99 0 0);
  --sidebar-accent: oklch(0.65 0.12 350 / 0.08);
  --sidebar-accent-foreground: oklch(0.18 0.01 50);
  --sidebar-border: oklch(0.9 0.015 350);
  --sidebar-ring: oklch(0.72 0.1 350);

  --shadow-card:
    0 1px 3px oklch(0.65 0.05 350 / 0.08), 0 1px 1px oklch(0 0 0 / 0.02);
  --shadow-float:
    0 8px 24px -6px oklch(0.65 0.05 350 / 0.12),
    0 2px 8px -2px oklch(0 0 0 / 0.03);
  --shadow-composer: 0 1px 2px oklch(0.65 0.05 350 / 0.06);
  --shadow-composer-focus:
    0 0 0 1px oklch(0.72 0.1 350 / 0.25),
    0 2px 8px -2px oklch(0.65 0.05 350 / 0.1);
  --shadow-inset: inset 0 1px 1px oklch(0 0 0 / 0.03);
  --shadow-glow: 0 0 20px oklch(0.72 0.1 350 / 0.12);

  --ease-spring: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);

  --font-serif:
    var(--font-playfair), "Playfair Display", Georgia, "Times New Roman", serif;
}

.dark {
  --background: oklch(0.18 0.008 350);
  --foreground: oklch(0.94 0.005 350);
  --card: oklch(0.22 0.01 350);
  --card-foreground: oklch(0.94 0.005 350);
  --popover: oklch(0.22 0.01 350);
  --popover-foreground: oklch(0.94 0.005 350);
  --primary: oklch(0.78 0.1 350);
  --primary-foreground: oklch(0.15 0.01 350);
  --secondary: oklch(0.26 0.012 350);
  --secondary-foreground: oklch(0.78 0.03 350);
  --muted: oklch(0.22 0.008 230);
  --muted-foreground: oklch(0.72 0.02 350);
  --accent: oklch(0.28 0.015 230);
  --accent-foreground: oklch(0.94 0.005 350);
  --destructive: oklch(0.7 0.15 25);
  --border: oklch(0.28 0.012 350);
  --input: oklch(0.28 0.012 350);
  --ring: oklch(0.72 0.1 350);
  --chart-1: oklch(0.78 0.1 350);
  --chart-2: oklch(0.7 0.08 230);
  --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(0.17 0.008 350);
  --sidebar-foreground: oklch(0.78 0.02 350);
  --sidebar-primary: oklch(0.78 0.1 350);
  --sidebar-primary-foreground: oklch(0.15 0.01 350);
  --sidebar-accent: oklch(0.78 0.1 350 / 0.08);
  --sidebar-accent-foreground: oklch(0.94 0.005 350);
  --sidebar-border: oklch(0.26 0.01 350);
  --sidebar-ring: oklch(0.72 0.1 350);

  --shadow-card:
    inset 0 1px 0 oklch(1 0 0 / 0.04), 0 1px 2px oklch(0 0 0 / 0.2),
    0 0.5px 1px oklch(0 0 0 / 0.15);
  --shadow-float:
    0 0 0 1px oklch(1 0 0 / 0.06), 0 16px 48px -6px oklch(0 0 0 / 0.35),
    0 6px 12px -2px oklch(0 0 0 / 0.2);
  --shadow-composer:
    0 1px 3px oklch(0 0 0 / 0.2), inset 0 1px 0 oklch(1 0 0 / 0.03);
  --shadow-composer-focus:
    0 0 0 1px oklch(0.78 0.1 350 / 0.3), 0 4px 16px -4px oklch(0 0 0 / 0.3),
    inset 0 1px 0 oklch(1 0 0 / 0.04);
}

@layer base {
  * {
    @apply border-border ring-0;
  }
  body {
    @apply bg-background text-foreground;
    font-feature-settings: "ss01", "ss02", "cv01";
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
  }
}

@layer base {
  *,
  ::after,
  ::before,
  ::backdrop,
  ::file-selector-button {
    border-color: var(--border);
  }
}

@layer base {
  body {
    overflow-x: hidden;
    position: relative;
  }

  html {
    overflow-x: hidden;
  }

  h1,
  h2,
  h3,
  h4,
  h5,
  h6 {
    letter-spacing: -0.025em;
    line-height: 1.2;
  }

  p {
    line-height: 1.6;
  }
}

button:focus-visible,
select:focus-visible,
[role="button"]:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: none;
}

@utility font-serif {
  font-family: var(--font-serif);
}

@utility text-balance {
  text-wrap: balance;
}

@utility -webkit-overflow-scrolling-touch {
  -webkit-overflow-scrolling: touch;
}

@utility touch-pan-y {
  touch-action: pan-y;
}

@utility overscroll-behavior-contain {
  overscroll-behavior: contain;
}

@utility no-scrollbar {
  -ms-overflow-style: none;
  scrollbar-width: none;
  &::-webkit-scrollbar {
    display: none;
  }
}

@layer utilities {
  :root {
    --foreground-rgb: 0, 0, 0;
    --background-start-rgb: 214, 219, 220;
    --background-end-rgb: 255, 255, 255;
  }

  @media (prefers-color-scheme: dark) {
    :root {
      --foreground-rgb: 255, 255, 255;
      --background-start-rgb: 0, 0, 0;
      --background-end-rgb: 0, 0, 0;
    }
  }
}

.skeleton {
  * {
    pointer-events: none !important;
  }

  *[class^="text-"] {
    color: transparent;
    @apply rounded-md bg-foreground/20 select-none animate-pulse;
  }

  .skeleton-bg {
    @apply bg-foreground/10;
  }

  .skeleton-div {
    @apply bg-foreground/20 animate-pulse;
  }
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes shimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

@keyframes dot-pulse {
  0%,
  60%,
  100% {
    opacity: 0.3;
    transform: translateY(0);
  }
  30% {
    opacity: 1;
    transform: translateY(-3px);
  }
}

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

@keyframes thinking-dot {
  0%,
  60%,
  100% {
    opacity: 0.3;
    transform: translateY(0);
  }
  30% {
    opacity: 1;
    transform: translateY(-3px);
  }
}

@keyframes glow-pulse {
  0%,
  100% {
    box-shadow: 0 0 0 0 oklch(0.72 0.1 350 / 0%);
  }
  50% {
    box-shadow: 0 0 0 3px oklch(0.72 0.1 350 / 8%);
  }
}

@keyframes subtle-lift {
  from {
    transform: translateY(0);
    box-shadow: var(--shadow-card);
  }
  to {
    transform: translateY(-1px);
    box-shadow: var(--shadow-float);
  }
}

@utility fade-up {
  animation: fade-up 0.25s var(--ease-spring) both;
}

@utility fade-in {
  animation: fade-in 0.2s ease both;
}

@utility shimmer {
  animation: shimmer 2s linear infinite;
  background: linear-gradient(
    90deg,
    transparent,
    oklch(1 0 0 / 0.04),
    transparent
  );
  background-size: 200% 100%;
}

@utility dot-pulse {
  animation: dot-pulse 1.4s ease-in-out infinite;
}

@utility message-fade-in {
  animation: message-in 0.3s cubic-bezier(0.16, 1, 0.3, 1) both;
}

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

@utility composer-glow {
  animation: glow-pulse 2s ease-in-out infinite;
}

.ProseMirror {
  outline: none;
}

.cm-editor {
  @apply bg-transparent! outline-hidden! text-[13px]! leading-[1.6]!;
  font-family:
    "SF Mono", "Cascadia Code", "Fira Code", "JetBrains Mono", ui-monospace,
    monospace !important;
}

.cm-gutters {
  @apply bg-transparent! border-r-0! outline-hidden!;
}

.cm-gutter.cm-lineNumbers {
  @apply min-w-[3rem] text-muted-foreground/40 text-[11px]!;
}

.cm-scroller {
  @apply overflow-auto!;
}

.ͼo.cm-focused > .cm-scroller > .cm-selectionLayer .cm-selectionBackground,
.ͼo.cm-selectionBackground,
.ͼo.cm-content::selection {
  background: oklch(0.55 0.12 250 / 0.15) !important;
}

.dark
  .ͼo.cm-focused
  > .cm-scroller
  > .cm-selectionLayer
  .cm-selectionBackground,
.dark .ͼo.cm-selectionBackground,
.dark .ͼo.cm-content::selection {
  background: oklch(0.55 0.12 250 / 0.2) !important;
}

.cm-activeLine {
  @apply bg-muted/50! rounded-sm!;
}

.cm-activeLineGutter {
  @apply bg-transparent!;
}

.cm-activeLineGutter .cm-gutterElement {
  color: var(--foreground) !important;
  opacity: 0.7;
}

.cm-gutter.cm-lineNumbers .cm-gutterElement {
  padding-right: 12px !important;
}

.cm-foldGutter {
  @apply min-w-3;
}

.cm-cursor {
  border-left-color: oklch(0.55 0.12 250) !important;
  border-left-width: 2px !important;
}

.cm-matchingBracket {
  background: oklch(0.55 0.12 250 / 0.12) !important;
  outline: 1px solid oklch(0.55 0.12 250 / 0.3);
  border-radius: 2px;
}

.suggestion-highlight {
  @apply cursor-pointer rounded-sm bg-blue-200 transition-colors hover:bg-blue-300 dark:bg-blue-500/40 dark:text-blue-50 dark:hover:bg-blue-400/50;
  user-select: none;
  -webkit-user-select: none;
}

@layer base {
  * {
    scrollbar-width: thin;
    scrollbar-color: oklch(0 0 0 / 0.12) transparent;
  }

  .dark * {
    scrollbar-color: oklch(1 0 0 / 0.1) transparent;
  }

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

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

  *::-webkit-scrollbar-thumb {
    background: oklch(0 0 0 / 0.12);
    border-radius: 9999px;
  }

  *::-webkit-scrollbar-thumb:hover {
    background: oklch(0 0 0 / 0.25);
  }

  .dark *::-webkit-scrollbar-thumb {
    background: oklch(1 0 0 / 0.1);
  }

  .dark *::-webkit-scrollbar-thumb:hover {
    background: oklch(1 0 0 / 0.2);
  }

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

[data-testid="artifact"] {
  isolation: isolate;
}