body{font-family:Arial,sans-serif;transition:all .3s ease}body.light-mode{--bg-primary:#ffffff;--bg-secondary:#f8f9fa;--text-primary:#212529;--text-secondary:#6c757d;--border-color:#dee2e6;--nav-bg:#ffffff;--nav-text:#212529;--link-color:#0d6efd;--hover-color:#0a58ca;--switch-bg:#e9ecef;--switch-circle:#212529;--danger-color:#dc3545;--success-color:#198754;--warning-color:#ffc107}body.dark-mode,body.light-mode{background-color:var(--bg-primary);color:var(--text-primary)}body.dark-mode{--bg-primary:#121212;--bg-secondary:#1e1e1e;--text-primary:#ffffff;--text-secondary:#ced4da;--border-color:#2d2d2d;--nav-bg:#1a1a1a;--nav-text:#ffffff;--link-color:#63a1ff;--hover-color:#8ab9ff;--switch-bg:#2d2d2d;--switch-circle:#ffffff;--danger-color:#dc3545;--success-color:#198754;--warning-color:#ffc107}.border-2{border-width:2px!important}.text-muted{color:var(--text-secondary)!important}.dark-mode .text-muted{color:rgba(255,255,255,.7)!important}