.primary-button,
.secondary-button {
    border: 1px solid var(--white);
    background: var(--black);
    color: var(--white);
    padding: 11px 14px;
    cursor: pointer;
    text-align: center;
}
.primary-button:hover,
.secondary-button:hover { background: #333; }
.secondary-button { background: var(--black); color: var(--white); border-color: var(--white); }
.secondary-button:hover { background: #2d2d2d; }
.specimen-footer .secondary-button {
    font-family: var(--mono);
    font-size: var(--type-body);
    font-weight: 700;
    padding: 14px 18px;
    white-space: nowrap;
}

.tutor-reveal {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 20;
}
.reveal-marker {
    position: absolute;
    width: 22px;
    height: 22px;
    margin: -11px 0 0 -11px;
    border: 2px solid #111;
    border-radius: 50%;
    background: #111;
    color: transparent;
    pointer-events: auto;
    cursor: pointer;
    padding: 0;
    animation: reveal-pulse 1.8s ease-in-out infinite;
}
.reveal-marker:hover {
    background: #777;
    border-color: #777;
    animation: none;
}
@keyframes reveal-pulse {
    0%, 100% { outline: 0 solid rgba(17,17,17,0); }
    50% { outline: 5px solid rgba(17,17,17,.16); }
}

.issue-dialog { position: fixed; inset: 0; z-index: 30; }
.issue-dialog-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,.48); }
.issue-dialog-panel {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: min(560px, calc(100vw - 32px));
    border: 1px solid var(--black);
    background: var(--black);
    color: var(--white);
    padding: 28px;
}
.dialog-close {
    position: absolute;
    top: 8px;
    right: 10px;
    border: 0;
    background: transparent;
    font-size: var(--type-heading);
    cursor: pointer;
    line-height: 1;
}
.issue-dialog-panel h2 { margin: 8px 0 12px; font-size: var(--type-heading); }
.issue-dialog-panel p { max-width: 48rem; }
.issue-dialog-meta { border-top: 1px solid var(--soft-line); padding-top: 12px; color: var(--mid); font-size: var(--type-small); }

#issue-dialog-description { white-space: pre-line; }

.specimen-footer .secondary-button {
    margin: 4px 0;
}
.specimen-header,
.panel-section,
.specimen-footer,
.debug-toolbar {
    position: relative;
}
.specimen-header::after {
    content: '';
    position: absolute;
    left: 20px;
    bottom: 0;
    width: 48px;
    border-bottom: 2px solid var(--line);
}