:root {
    /* Primary Colors */
    --primary-color: #2563eb;       /* Modern Blue */
    --primary-hover: #1d4ed8;       /* Darker Blue */
    --accent-color: #f59e0b;        /* Modern Gold/Amber */
    --secondary-color: #64748b;     /* Slate Gray */
    
    /* Navy Blue Theme (Admin/Student/Instructor) */
    --primary-navy: #1a365d;
    --navy-hover: #0f2a4a;
    --navy-light: #2d5a8a;
    
    /* Emerald Theme (Tutor) */
    --emerald-primary: #10b981;
    --emerald-hover: #059669;
    --emerald-light: #34d399;
    
    /* Background Colors */
    --bg-color: #f8fafc;           /* Light Gray Background */
    --card-bg: #ffffff;            /* White Card Background */
    
    /* Text Colors */
    --text-main: #0f172a;          /* Dark Slate */
    --text-muted: #64748b;         /* Muted Slate */
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Status Colors */
    --success-color: #22c55e;      /* Green */
    --warning-color: #f59e0b;      /* Amber */
    --danger-color: #ef4444;       /* Red */
    
    /* Border Colors */
    --border-color: #e2e8f0;       /* Light Border */
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    
    /* Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
}

/* =========================================
   THEMES
   ========================================= */

/* Admin/Student/Instructor (Default) */
.dashboard-theme {
    --primary-color: var(--primary-navy);
    --accent-color: #f59e0b;
}