/* ============================================
   DESIGN TOKENS — CSS VARIABLES
   ============================================ */

:root {
    /* Primary Colors */
    /* Primary Colors - Environmental Palette (Refined) */
    --primary:        #059669; /* Vibrant Emerald Green */
    --primary-hover:  #047857;
    --primary-light:  #ecfdf5;
    --accent:         #166534; /* Deep Forest Green */

    /* Neutral Colors */
    --bg:             #f8fafc;
    --bg-card:        #ffffff;
    --bg-sidebar:     #1e293b;
    --text-primary:   #1e293b;
    --text-secondary: #64748b;
    --text-muted:     #94a3b8;
    --border:         #e2e8f0;

    /* Status Colors */
    --success: #22c55e;
    --warning: #f59e0b;
    --danger:  #ef4444;
    --info:    #3b82f6;

    /* Typography */
    --font-family:    'Inter', sans-serif;
    --font-size-xs:   0.7rem;
    --font-size-sm:   0.8125rem;
    --font-size-base: 0.9rem;
    --font-size-lg:   1rem;
    --font-size-xl:   1.25rem;
    --font-size-2xl:  1.5rem;
    --font-size-3xl:  1.5rem;
    --font-size-4xl:  1.8rem;
    --font-size-5xl:  2.2rem;

    /* Spacing */
    --space-1:  0.25rem;
    --space-2:  0.5rem;
    --space-3:  0.75rem;
    --space-4:  1rem;
    --space-5:  1.25rem;
    --space-6:  1.5rem;
    --space-8:  2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;

    /* Border Radius */
    --radius-sm:   0.375rem;
    --radius-md:   0.5rem;
    --radius-lg:   0.75rem;
    --radius-xl:   1rem;
    --radius-2xl:  1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.05);

    /* Transitions */
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);

    /* Premium Additions */
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.4);
    --gradient-primary: linear-gradient(135deg, #059669 0%, #10b981 100%);
    --gradient-surface: linear-gradient(180deg, rgba(255,255,255,0.8) 0%, rgba(255,255,255,0.4) 100%);
}

/* ============================================
   DARK MODE
   ============================================ */

[data-theme="dark"] {
    --bg:             #0f172a;
    --bg-card:        #1e293b;
    --bg-sidebar:     #0a1628;
    --text-primary:   #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted:     #64748b;
    --border:         #334155;
    --primary-light:  #1e3a5f;
    --glass-bg: rgba(30, 41, 59, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --gradient-surface: linear-gradient(180deg, rgba(30, 41, 59, 0.8) 0%, rgba(15, 23, 42, 0.4) 100%);
}