body,html{margin:0!important;padding:0!important;box-sizing:border-box;min-height:100%;width:100%;overflow-x:hidden}:root{--header-bg:rgba(10,10,26,0.95);--header-border:rgba(255,255,255,0.1);--header-shadow:0 8px 32px rgba(0,0,0,0.3);--header-backdrop:blur(20px);--avatar-border:var(--primary-gradient);--avatar-glow:rgba(102,126,234,0.3);--dropdown-bg:rgba(15,15,35,0.95);--dropdown-border:rgba(255,255,255,0.1);--dropdown-shadow:0 20px 60px rgba(0,0,0,0.4);--btn-primary:var(--primary-gradient);--btn-hover-shadow:0 8px 25px rgba(102,126,234,0.4)}