:root {
    --primary: #1565C0;
    --primary-light: #1E88E5;
    --primary-dark: #0D47A1;
    --primary-gradient: linear-gradient(135deg, #1565C0, #1E88E5);
    --accent: #FF6F00;
    --accent-light: #FF8F00;
    --bg: #F0F2F5;
    --surface: #FFFFFF;
    --surface-hover: #F8F9FA;
    --text: #1A1A2E;
    --text-secondary: #6B7280;
    --text-muted: #9CA3AF;
    --border: #E5E7EB;
    --success: #059669;
    --success-bg: #ECFDF5;
    --warning: #D97706;
    --warning-bg: #FFFBEB;
    --danger: #DC2626;
    --danger-bg: #FEF2F2;
    --info: #2563EB;
    --info-bg: #EFF6FF;
    --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 25px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.05);
    --shadow-xl: 0 20px 40px -5px rgba(0,0,0,0.12);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-full: 9999px;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --transition: all 0.2s ease;
    --sidebar-width: 260px;
    --topbar-height: 64px;
}
[data-theme="dark"] {
    --bg: #0F172A;
    --surface: #1E293B;
    --surface-hover: #334155;
    --text: #F1F5F9;
    --text-secondary: #94A3B8;
    --text-muted: #64748B;
    --border: #334155;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.3);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.4);
}