body {
    font-family: 'Inter', sans-serif;
}
.animate-fade-in {
    animation: fadeIn 0.5s ease-in-out;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}
.tooltip {
    position: relative;
    display: inline-block;
}
.tooltip .tooltiptext {
    visibility: hidden;
    width: 140px;
    background-color: #555;
    color: #fff;
    text-align: center;
    border-radius: 6px;
    padding: 5px;
    position: absolute;
    z-index: 1;
    bottom: 125%;
    left: 50%;
    margin-left: -70px;
    opacity: 0;
    transition: opacity 0.3s;
}
.tooltip:hover .tooltiptext {
    visibility: visible;
    opacity: 1;
}
.keyboard-navigation *:focus {
    outline: 2px solid #0ea5e9;
    outline-offset: 2px;
}
.keyboard-navigation button:focus,
.keyboard-navigation input:focus,
.keyboard-navigation select:focus,
.keyboard-navigation textarea:focus {
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
}
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }
    .grid-cols-2 {
        grid-template-columns: 1fr;
    }
    .lg\:grid-cols-3 {
        grid-template-columns: 1fr;
    }
    .lg\:grid-cols-6 {
        grid-template-columns: repeat(2, 1fr);
    }
    .sm\:grid-cols-3 {
        grid-template-columns: repeat(2, 1fr);
    }
    .text-3xl {
        font-size: 1.875rem;
    }
    .text-4xl {
        font-size: 2rem;
    }
    .p-6 {
        padding: 1rem;
    }
    .p-8 {
        padding: 1.5rem;
    }
    .max-w-2xl {
        max-width: 95vw;
    }
    .max-w-lg {
        max-width: 95vw;
    }
    .max-w-md {
        max-width: 95vw;
    }
}