/* css/variables.css */
:root {
    /* Light Theme (Default) */
    --primary-color: #2563eb;       /* Vibrant Blue */
    --primary-hover: #1d4ed8;
    --secondary-color: #10b981;     /* Emerald Green */
    --accent-color: #f59e0b;        /* Amber */
    --danger-color: #ef4444;        /* Red */
    
    --bg-base: #f8fafc;             /* Very Light Grayish Blue */
    --bg-surface: #ffffff;
    --bg-glass: rgba(255, 255, 255, 0.7);
    --border-glass: rgba(255, 255, 255, 0.5);
    
    --text-primary: #0f172a;        /* Very Dark Slate */
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-glass: 0 8px 32px 0 rgba(31, 38, 135, 0.07);
    
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease;
    --transition-bounce: 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* Dark Theme Support via prefers-color-scheme */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-base: #0f172a;         /* Deep Slate */
        --bg-surface: #1e293b;
        --bg-glass: rgba(30, 41, 59, 0.7);
        --border-glass: rgba(255, 255, 255, 0.08);
        
        --text-primary: #f8fafc;
        --text-secondary: #cbd5e1;
        --text-muted: #64748b;
        
        --shadow-glass: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
    }
}

/* Explicit data-theme override (for JS toggling) */
[data-theme="dark"] {
    --bg-base: #0f172a;
    --bg-surface: #1e293b;
    --bg-glass: rgba(30, 41, 59, 0.7);
    --border-glass: rgba(255, 255, 255, 0.08);
    
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #64748b;
    
    --shadow-glass: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
}

[data-theme="light"] {
    /* Uses root defaults */
}