/* Accessibility enhancements */
:focus {
    outline: 3px solid #3b82f6;
    outline-offset: 2px;
}

/* High contrast for better visibility */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Ensure minimum touch target sizes */
button, a, input, select {
    min-height: 44px;
}

/* Loading spinner animation */
@keyframes spin {
    to { transform: rotate(360deg); }
}

.animate-spin {
    animation: spin 1s linear infinite;
}