/* Force dark mode — override all light theme vars back to dark defaults */
:root[data-theme=light] {
  --bg: #000000 !important;
  --bg-accent: #0a0a0a !important;
  --bg-elevated: #111111 !important;
  --bg-hover: #1a1a1a !important;
  --bg-muted: #141414 !important;
  --bg-content: #0a0a0a !important;
  --card: #0d0d0d !important;
  --card-foreground: #f5f5f5 !important;
  --card-highlight: rgba(255,255,255,.04) !important;
  --popover: #0d0d0d !important;
  --popover-foreground: #f5f5f5 !important;
  --panel: #000000 !important;
  --panel-strong: #111111 !important;
  --panel-hover: #1a1a1a !important;
  --chrome: rgba(0,0,0,.95) !important;
  --chrome-strong: rgba(0,0,0,.98) !important;
  --text: #a1a1aa !important;
  --text-strong: #f5f5f5 !important;
  --chat-text: #d4d4d8 !important;
  --muted: #52525b !important;
  --muted-strong: #71717a !important;
  --muted-foreground: #71717a !important;
  --border: #1f1f1f !important;
  --border-strong: #2a2a2a !important;
  --border-hover: #3f3f46 !important;
  --input: #1a1a1a !important;
  --secondary: #111111 !important;
  --secondary-foreground: #a1a1aa !important;
  --grid-line: rgba(255,255,255,.04) !important;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.4) !important;
  --shadow-md: 0 4px 12px rgba(0,0,0,.5), 0 0 0 1px rgba(255,255,255,.04) !important;
  --shadow-lg: 0 12px 28px rgba(0,0,0,.6), 0 0 0 1px rgba(255,255,255,.04) !important;
  --shadow-xl: 0 24px 48px rgba(0,0,0,.7), 0 0 0 1px rgba(255,255,255,.04) !important;
  color-scheme: dark !important;
}
:root[data-theme=light] .content { background: var(--bg-content) !important; }
:root[data-theme=light] .chat-attachments { background: #0a0a0a !important; border-color: rgba(255,255,255,.08) !important; }
:root[data-theme=light] .chat-attachment { border-color: rgba(255,255,255,.15) !important; background: #111 !important; }