/* Mobile-First Styles */
body { font-family: 'Inter', -apple-system, sans-serif; line-height: 1.6; }

/* Glass morphism utilities */
.glass-card { backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); }
.glass-card:hover { backdrop-filter: blur(25px); }

/* Smooth transitions */
* { transition: all 0.3s ease; }

/* Custom scrollbar */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: rgba(255,255,255,0.1); }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.3); border-radius: 2px; }

/* Bottom nav active state */
.bottom-nav .btn.active-tab { color: #3b82f6 !important; }

/* Responsive text */
@media (max-width: 576px) {
    .display-4 { font-size: 2rem; }
    h1 { font-size: 1.8rem; }
    h2 { font-size: 1.5rem; }
}

/* Loading animations */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.pulse { animation: pulse 2s infinite; }