.key { grid-column: span 2; padding: clamp(1.25rem, 3vw, 2rem); gap: 0; }
.purple { background: var(--purple); }
.blue { background: var(--blue); }
.key h2 { margin: 0; font-size: clamp(2rem, 4.5vw, 3rem); font-weight: 800; letter-spacing: -0.03em; line-height: 1; }
.purpose { margin: 0.5rem 0 1.25rem; font-size: 1rem; }

.key dl { margin: 0 0 1rem; }
.key dt { margin-top: 0.75rem; font-family: 'EMH Mono', ui-monospace, monospace; font-size: 0.8125rem; letter-spacing: 0.04em; opacity: 0.9; }
.key dd { margin: 0.2rem 0 0; }
.mono { font-family: 'EMH Mono', ui-monospace, monospace; font-variant-numeric: tabular-nums; }
.key dd.mono { font-size: 1rem; font-weight: 600; }
.missing { opacity: 0.7; font-style: normal; }

.fp {
    display: block;
    width: 100%;
    padding: 0.6rem 0.75rem;
    border: 0;
    border-radius: 0.75rem;
    background: rgba(0, 0, 0, 0.22);
    color: inherit;
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.4;
    text-align: left;
    overflow-wrap: anywhere;
    cursor: copy;
}
.fp:hover { background: rgba(0, 0, 0, 0.32); }
.fp:focus-visible, .act:focus-visible, .block:focus-visible { outline: 2px solid #fff; outline-offset: 3px; }

.block {
    margin: 0 0 1rem;
    padding: 0.75rem;
    max-height: 11rem;
    overflow: auto;
    border-radius: 0.75rem;
    background: rgba(0, 0, 0, 0.22);
    font-size: 0.75rem;
    line-height: 1.45;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
}

.actions { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: auto; }
.act {
    padding: 0.65rem 1.1rem;
    border: 0;
    border-radius: 0.75rem;
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
    font: inherit;
    font-size: 0.9375rem;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
    transition: background 0.15s;
}
.act:hover { background: rgba(255, 255, 255, 0.32); }

.verify { background: var(--ink); }
@media (prefers-color-scheme: dark) { .verify { background: #1d1d3d; } }
.verify ol { margin: 0 0 1rem; padding-left: 1.4rem; }
.verify li { margin-bottom: 0.6rem; font-size: 1.0625rem; line-height: 1.55; }
.verify code { font-family: 'EMH Mono', ui-monospace, monospace; font-size: 0.9em; background: rgba(255, 255, 255, 0.14); padding: 0.1em 0.35em; border-radius: 0.35em; }

.copied {
    position: fixed; left: 50%; bottom: 1.25rem; transform: translateX(-50%);
    margin: 0; padding: 0.6rem 1.1rem; border-radius: 999px;
    background: var(--ink); color: #fff;
    font-family: 'EMH Mono', ui-monospace, monospace; font-size: 0.875rem;
    box-shadow: 0 6px 0 rgba(0, 0, 0, 0.25);
}
@media (prefers-color-scheme: dark) { .copied { background: #fff; color: var(--ink); } }

@media (max-width: 52rem) { .key { grid-column: 1 / -1; } }
@media (prefers-reduced-motion: reduce) { .act { transition: none; } }