@import "tailwindcss";
@import "tw-animate-css";
@import "shadcn/tailwind.css";
@import "@fontsource-variable/inter";

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

@theme inline {
  --font-heading: var(--font-sans);
  --font-sans: "Inter Variable", sans-serif;
  --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-foreground: var(--foreground);
  --color-background: var(--background);
  --radius-sm: calc(var(--radius) * 0.6);
  --radius-md: calc(var(--radius) * 0.8);
  --radius-lg: var(--radius);
  --radius-xl: calc(var(--radius) * 1.4);
  --radius-2xl: calc(var(--radius) * 1.8);
  --radius-3xl: calc(var(--radius) * 2.2);
  --radius-4xl: calc(var(--radius) * 2.6);
}

:root {
  --background: oklch(1 0 0);
  --foreground: oklch(0.145 0 0);
  --card: oklch(1 0 0);
  --card-foreground: oklch(0.145 0 0);
  --popover: oklch(1 0 0);
  --popover-foreground: oklch(0.145 0 0);
  --primary: oklch(0.205 0 0);
  --primary-foreground: oklch(0.985 0 0);
  --secondary: oklch(0.97 0 0);
  --secondary-foreground: oklch(0.205 0 0);
  --muted: oklch(0.97 0 0);
  --muted-foreground: oklch(0.556 0 0);
  --accent: oklch(0.97 0 0);
  --accent-foreground: oklch(0.205 0 0);
  --destructive: oklch(0.577 0.245 27.325);
  --border: oklch(0.922 0 0);
  --input: oklch(0.922 0 0);
  --ring: oklch(0.708 0 0);
  --chart-1: oklch(0.87 0 0);
  --chart-2: oklch(0.556 0 0);
  --chart-3: oklch(0.439 0 0);
  --chart-4: oklch(0.371 0 0);
  --chart-5: oklch(0.269 0 0);
  --radius: 0.625rem;
  --sidebar: oklch(0.985 0 0);
  --sidebar-foreground: oklch(0.145 0 0);
  --sidebar-primary: oklch(0.205 0 0);
  --sidebar-primary-foreground: oklch(0.985 0 0);
  --sidebar-accent: oklch(0.97 0 0);
  --sidebar-accent-foreground: oklch(0.205 0 0);
  --sidebar-border: oklch(0.922 0 0);
  --sidebar-ring: oklch(0.708 0 0);
}

.dark {
  --background: oklch(0.145 0 0);
  --foreground: oklch(0.985 0 0);
  --card: oklch(0.205 0 0);
  --card-foreground: oklch(0.985 0 0);
  --popover: oklch(0.205 0 0);
  --popover-foreground: oklch(0.985 0 0);
  --primary: oklch(0.922 0 0);
  --primary-foreground: oklch(0.205 0 0);
  --secondary: oklch(0.269 0 0);
  --secondary-foreground: oklch(0.985 0 0);
  --muted: oklch(0.269 0 0);
  --muted-foreground: oklch(0.708 0 0);
  --accent: oklch(0.269 0 0);
  --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(0.556 0 0);
  --chart-1: oklch(0.87 0 0);
  --chart-2: oklch(0.556 0 0);
  --chart-3: oklch(0.439 0 0);
  --chart-4: oklch(0.371 0 0);
  --chart-5: oklch(0.269 0 0);
  --sidebar: oklch(0.205 0 0);
  --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(0.269 0 0);
  --sidebar-accent-foreground: oklch(0.985 0 0);
  --sidebar-border: oklch(1 0 0 / 10%);
  --sidebar-ring: oklch(0.556 0 0);
}

@layer base {
  * {
    @apply border-border outline-ring/50;
  }
  body {
    @apply bg-background text-foreground;
    font-size: calc(16px * var(--app-font-scale, 1));
  }
  html {
    @apply font-sans;
  }
}

.app-shell {
  display: grid;
  grid-template-columns: minmax(260px, 320px) minmax(0, 1fr);
  height: 100svh;
  overflow: hidden;
}

.app-shell-sidebar-collapsed {
  grid-template-columns: minmax(0, 1fr);
}

.app-shell-sidebar-collapsed .sidebar {
  display: none;
}

.sidebar {
  display: flex;
  min-height: 0;
  flex-direction: column;
}

.main-panel {
  display: flex;
  min-height: 0;
  flex-direction: column;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.topbar-left {
  display: flex;
  min-width: 0;
  flex: 1;
  align-items: center;
  gap: 0.5rem;
}

.content-view {
  min-height: 0;
  flex: 1;
}

.chat-view {
  display: flex;
  flex-direction: column;
}

.chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.app-shell-compact .messages-scroll {
  padding-block: 0.75rem;
}

.app-shell-compact .message-bubble {
  padding: 0.625rem 0.75rem;
}

.app-shell-compact .message-bubble-assistant {
  padding: 0.25rem 0;
}

.message-bubble-user {
  border-radius: 0.875rem;
  background: #f3f3f3;
  color: #171717;
  box-shadow:
    rgba(0, 0, 0, 0) 0px 0px 0px 0px,
    rgba(0, 0, 0, 0) 0px 0px 0px 0px,
    rgba(0, 0, 0, 0) 0px 0px 0px 0px,
    rgba(0, 0, 0, 0) 0px 0px 0px 0px,
    rgba(0, 0, 0, 0.1) 0px 1px 3px 0px,
    rgba(0, 0, 0, 0.1) 0px 1px 2px -1px;
}

.message-bubble-assistant {
  border: 0;
  background: transparent;
  box-shadow: none;
}

.message-bubble-tool {
  box-shadow: none;
}

.markdown-body {
  color: inherit;
  font-size: 0.925rem;
  line-height: 1.7;
}

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

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

.markdown-body p,
.markdown-body ul,
.markdown-body ol,
.markdown-body blockquote,
.markdown-body table,
.markdown-body pre {
  margin-block: 0.75rem;
}

.markdown-body h1,
.markdown-body h2,
.markdown-body h3,
.markdown-body h4 {
  margin-top: 1rem;
  margin-bottom: 0.5rem;
  color: var(--foreground);
  font-weight: 650;
  line-height: 1.25;
}

.markdown-body h1 {
  font-size: 1.3rem;
}

.markdown-body h2 {
  font-size: 1.15rem;
}

.markdown-body h3,
.markdown-body h4 {
  font-size: 1rem;
}

.markdown-body ul,
.markdown-body ol {
  padding-left: 1.25rem;
}

.markdown-body ul {
  list-style: disc;
}

.markdown-body ol {
  list-style: decimal;
}

.markdown-body blockquote {
  border-left: 3px solid var(--border);
  color: var(--muted-foreground);
  padding-left: 0.875rem;
}

.markdown-body a {
  color: var(--foreground);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.markdown-body :not(pre) > code {
  border: 1px solid var(--border);
  border-radius: 0.375rem;
  background: var(--muted);
  padding: 0.1rem 0.3rem;
  font-size: 0.85em;
}

.markdown-body table {
  display: block;
  width: 100%;
  overflow-x: auto;
  border-collapse: collapse;
}

.markdown-body th,
.markdown-body td {
  border: 1px solid var(--border);
  padding: 0.45rem 0.6rem;
  text-align: left;
}

.markdown-body th {
  background: var(--muted);
  font-weight: 600;
}

.code-block pre {
  margin: 0;
}

.katex-display {
  overflow-x: auto;
  overflow-y: hidden;
  padding-block: 0.25rem;
}

@media (max-width: 900px) {
  .app-shell {
    grid-template-columns: minmax(0, 1fr);
    height: 100svh;
    min-height: 100svh;
    overflow: hidden;
  }

  .sidebar {
    position: fixed;
    inset: 0;
    z-index: 40;
    max-height: none;
    border-right: 0;
    border-bottom: 0;
  }

  .app-shell:not(.app-shell-sidebar-collapsed) .sidebar-header {
    padding-left: 3.5rem;
  }

  .app-shell:not(.app-shell-sidebar-collapsed) .sidebar-toggle-button {
    position: fixed;
    top: 0.75rem;
    left: 0.75rem;
    z-index: 60;
  }

  .main-panel {
    height: 100svh;
    min-height: 0;
  }

  .topbar,
  .chat-header {
    align-items: stretch;
    flex-direction: column;
  }

  .topbar-left {
    width: 100%;
  }

  .chat-header-actions {
    width: 100%;
  }

  .chat-header-actions > button {
    flex: 1 1 120px;
  }

  .message-bubble {
    max-width: 100%;
  }
}