/* Screen reader only - visually hidden but accessible */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* PGP Key Container */
.pgp-key-container {
    position: relative;
    background-color: white;
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin: 1rem 0;
    box-shadow: var(--box-shadow);
    border-left: 4px solid var(--primary-color);
    overflow-x: auto;
}

.pgp-key-container pre {
    white-space: pre-wrap;
    word-wrap: break-word;
    margin: 0;
    font-family: monospace;
    line-height: 1.4;
    background-color: var(--silver-light);
    padding: 1rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--silver-medium);
}

/* Copy Checkmark */
.copy-checkmark {
    position: fixed;
    width: 24px;
    height: 24px;
    display: none;
    pointer-events: none;
    z-index: 100;
}

.copy-checkmark--visible {
    display: block;
    animation: fadeInOut 1s ease-in-out;
}

@keyframes fadeInOut {
    0%, 100% { opacity: 0; }
    50% { opacity: 1; }
}

/* Ensure the button stands out */
.pgp-key-container .primary-btn {
    margin-top: 0.5rem;
}