/* Misma tinta y papel. Elecciones con igual tamaño, contraste y posición. */
.measurement-panel {
    --measurement-paper: #f7f4ee;
    --measurement-ink: #1c1812;
    --measurement-rule: #8b8377;
    position: fixed;
    z-index: 10000;
    inset: auto 20px 20px;
    max-width: 720px;
    margin-inline: auto;
    padding: 20px 24px;
    background: var(--measurement-paper);
    color: var(--measurement-ink);
    border: 1px solid var(--measurement-rule);
    border-radius: 12px;
    box-shadow: 0 6px 24px rgba(28, 24, 18, .15);
    font: 400 .95rem/1.5 Inter, sans-serif;
}
.measurement-panel[hidden] { display: none; }
.measurement-panel p { margin: 0 0 8px; }
.measurement-panel a { color: inherit; text-decoration: underline; }
.measurement-actions { display: flex; gap: 12px; margin-top: 14px; }
.measurement-actions button {
    flex: 1;
    padding: 11px 16px;
    border: 1px solid currentColor;
    background: transparent;
    color: inherit;
    border-radius: 6px;
    font: inherit;
    cursor: pointer;
}
.measurement-actions button:hover { text-decoration: underline; }
.measurement-preferences {
    display: block;
    margin: 0;
    padding: 8px 12px;
    color: inherit;
    border: 0;
    background: transparent;
    font: inherit;
    text-decoration: underline;
    cursor: pointer;
}
.measurement-actions button:focus-visible, .measurement-preferences:focus-visible {
    outline: 2px solid currentColor; outline-offset: 4px;
}
@media (max-width: 540px) {
    .measurement-panel { inset: auto 12px 12px; padding: 16px; font-size: .88rem; max-height: 80vh; overflow: auto; }
    .measurement-actions { gap: 8px; }
    .measurement-actions button { padding: 10px 8px; }
}