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

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

/* Monochrome IDE Theme - Always Dark */
:root {
  --background: oklch(0.98 0 0);
  --foreground: oklch(0.15 0 0);
  --card: oklch(0.97 0 0);
  --card-foreground: oklch(0.15 0 0);
  --popover: oklch(0.98 0 0);
  --popover-foreground: oklch(0.15 0 0);
  --primary: oklch(0.15 0 0);
  --primary-foreground: oklch(0.98 0 0);
  --secondary: oklch(0.92 0 0);
  --secondary-foreground: oklch(0.2 0 0);
  --muted: oklch(0.93 0 0);
  --muted-foreground: oklch(0.45 0 0);
  --accent: oklch(0.9 0 0);
  --accent-foreground: oklch(0.15 0 0);
  --destructive: oklch(0.5 0.15 25);
  --destructive-foreground: oklch(0.98 0 0);
  --border: oklch(0.85 0 0);
  --input: oklch(0.9 0 0);
  --ring: oklch(0.6 0 0);
  --chart-1: oklch(0.35 0 0);
  --chart-2: oklch(0.45 0 0);
  --chart-3: oklch(0.55 0 0);
  --chart-4: oklch(0.65 0 0);
  --chart-5: oklch(0.75 0 0);
  --radius: 0.375rem;
  --sidebar: oklch(0.95 0 0);
  --sidebar-foreground: oklch(0.2 0 0);
  --sidebar-primary: oklch(0.15 0 0);
  --sidebar-primary-foreground: oklch(0.98 0 0);
  --sidebar-accent: oklch(0.9 0 0);
  --sidebar-accent-foreground: oklch(0.15 0 0);
  --sidebar-border: oklch(0.85 0 0);
  --sidebar-ring: oklch(0.6 0 0);
  
  /* Custom tokens */
  --success: oklch(0.45 0.15 145);
  --warning: oklch(0.55 0.15 85);
  --info: oklch(0.45 0.1 250);
  --terminal: oklch(0.96 0 0);
  --terminal-foreground: oklch(0.2 0 0);
  --code-line-number: oklch(0.55 0 0);
}

.dark {
  --background: oklch(0.09 0 0);
  --foreground: oklch(0.9 0 0);
  --card: oklch(0.11 0 0);
  --card-foreground: oklch(0.9 0 0);
  --popover: oklch(0.13 0 0);
  --popover-foreground: oklch(0.9 0 0);
  --primary: oklch(0.95 0 0);
  --primary-foreground: oklch(0.09 0 0);
  --secondary: oklch(0.18 0 0);
  --secondary-foreground: oklch(0.85 0 0);
  --muted: oklch(0.15 0 0);
  --muted-foreground: oklch(0.55 0 0);
  --accent: oklch(0.2 0 0);
  --accent-foreground: oklch(0.9 0 0);
  --destructive: oklch(0.5 0.15 25);
  --destructive-foreground: oklch(0.95 0 0);
  --border: oklch(0.22 0 0);
  --input: oklch(0.15 0 0);
  --ring: oklch(0.4 0 0);
  --chart-1: oklch(0.7 0 0);
  --chart-2: oklch(0.6 0 0);
  --chart-3: oklch(0.5 0 0);
  --chart-4: oklch(0.4 0 0);
  --chart-5: oklch(0.3 0 0);
  --sidebar: oklch(0.07 0 0);
  --sidebar-foreground: oklch(0.85 0 0);
  --sidebar-primary: oklch(0.95 0 0);
  --sidebar-primary-foreground: oklch(0.09 0 0);
  --sidebar-accent: oklch(0.15 0 0);
  --sidebar-accent-foreground: oklch(0.9 0 0);
  --sidebar-border: oklch(0.18 0 0);
  --sidebar-ring: oklch(0.35 0 0);

  /* Custom tokens */
  --success: oklch(0.65 0.15 145);
  --warning: oklch(0.7 0.15 85);
  --info: oklch(0.6 0.1 250);
  --terminal: oklch(0.06 0 0);
  --terminal-foreground: oklch(0.75 0 0);
  --code-line-number: oklch(0.35 0 0);
}

@theme inline {
  --font-sans: var(--font-geist-sans), 'Geist', 'Geist Fallback';
  --font-mono: var(--font-geist-mono), 'Geist Mono', 'Geist Mono Fallback';
  --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-destructive-foreground: var(--destructive-foreground);
  --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);
  --radius-sm: calc(var(--radius) - 4px);
  --radius-md: calc(var(--radius) - 2px);
  --radius-lg: var(--radius);
  --radius-xl: calc(var(--radius) + 4px);
  --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);
  --color-success: var(--success);
  --color-warning: var(--warning);
  --color-info: var(--info);
  --color-terminal: var(--terminal);
  --color-terminal-foreground: var(--terminal-foreground);
}

@layer base {
  * {
    @apply border-border outline-ring/50;
  }
  body {
    @apply bg-background text-foreground;
  }
}

/* ── Mobile responsive: touch targets & safe areas ── */
@media (max-width: 767px) {
  /* Ensure touch targets meet 44px minimum */
  .mobile-touch-target {
    min-height: 44px;
    min-width: 44px;
  }

  /* Mobile overlay for sidebar drawer */
  .mobile-sidebar-overlay {
    position: fixed;
    inset: 0;
    z-index: 40;
    background: oklch(0 0 0 / 0.5);
  }

  /* Mobile sidebar drawer */
  .mobile-sidebar-drawer {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 50;
    width: 260px;
    transform: translateX(-100%);
    transition: transform 200ms ease-out;
  }

  .mobile-sidebar-drawer.open {
    transform: translateX(0);
  }
}

/* ── File viewer: Shiki code blocks ── */
.file-viewer-code pre {
  margin: 0;
  padding: 1rem;
  background: transparent !important;
  overflow-x: auto;
  font-family: var(--font-mono);
}

.file-viewer-code code {
  font-family: var(--font-mono);
  counter-reset: line;
}

.file-viewer-code code .line {
  display: inline-block;
  width: 100%;
  padding: 0 0.5rem;
}

.file-viewer-code code .line:hover {
  background: oklch(0.15 0 0);
}

.file-viewer-code code .line::before {
  counter-increment: line;
  content: counter(line);
  display: inline-block;
  width: 3.5ch;
  margin-right: 1.5ch;
  text-align: right;
  color: oklch(0.35 0 0);
  user-select: none;
}

/* ── File viewer: Markdown rendering ── */
.markdown-body {
  color: oklch(0.85 0 0);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  line-height: 1.7;
}

.markdown-body h1 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-top: 0;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid oklch(0.22 0 0);
}

.markdown-body h2 {
  font-size: 1.35rem;
  font-weight: 600;
  margin-top: 1.75rem;
  margin-bottom: 0.75rem;
  padding-bottom: 0.35rem;
  border-bottom: 1px solid oklch(0.22 0 0);
}

.markdown-body h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
}

.markdown-body h4,
.markdown-body h5,
.markdown-body h6 {
  font-size: 1rem;
  font-weight: 600;
  margin-top: 1.25rem;
  margin-bottom: 0.5rem;
}

.markdown-body p {
  margin-top: 0;
  margin-bottom: 0.75rem;
}

.markdown-body ul,
.markdown-body ol {
  margin-top: 0;
  margin-bottom: 0.75rem;
  padding-left: 1.75rem;
}

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

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

.markdown-body li {
  margin-bottom: 0.25rem;
}

.markdown-body li > ul,
.markdown-body li > ol {
  margin-top: 0.25rem;
  margin-bottom: 0;
}

.markdown-body blockquote {
  margin: 0.75rem 0;
  padding: 0.25rem 1rem;
  border-left: 3px solid oklch(0.3 0 0);
  color: oklch(0.6 0 0);
}

.markdown-body hr {
  margin: 1.5rem 0;
  border: none;
  border-top: 1px solid oklch(0.22 0 0);
}

.markdown-body strong {
  font-weight: 600;
  color: oklch(0.92 0 0);
}

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

.markdown-body del {
  text-decoration: line-through;
  color: oklch(0.5 0 0);
}

/* Task list checkboxes */
.markdown-body input[type="checkbox"] {
  margin-right: 0.4rem;
  accent-color: oklch(0.65 0.15 145);
}

/* ── Chat Mode: streaming cursor animation ── */
@keyframes chat-cursor {
  0%, 100% { opacity: 0.8; }
  50% { opacity: 0.1; }
}

/* ── Chat Mode: shiki code blocks inside chat bubbles ── */
.chat-code-block pre {
  margin: 0;
  padding: 1rem;
  background: transparent !important;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.6;
}

.chat-code-block code {
  font-family: var(--font-mono);
}

/* ── Chat Mode: markdown inside bubbles ── */
.chat-markdown {
  word-break: break-word;
  overflow-wrap: anywhere;
}

.chat-markdown > *:first-child {
  margin-top: 0 !important;
}

.chat-markdown > *:last-child {
  margin-bottom: 0 !important;
}