body {
    background-color: #020617; /* Slate 950 */
    color: white;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    margin: 0;
    overflow-x: hidden;
}

/* Animacja pulsującego statusu subskrypcji */
.status-ping {
    animation: ping 2s cubic-bezier(0, 0, 0.2, 1) infinite;
}

@keyframes ping {
    75%, 100% { transform: scale(2); opacity: 0; }
}

/* Szklany efekt dla dolnego paska */
.glass-nav {
    background: rgba(2, 6, 23, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid rgba(30, 41, 59, 0.5);
}

.fade-in {
    animation: fadeIn 0.4s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}