#release-note-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.35);
    z-index: 9998;
}

#release-note-popup {
    display: none;
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 360px;
    background: #ffffff;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    z-index: 9999;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    animation: fadeInUp 0.25s ease-out;
}

.release-note-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: #f5f7fa;
    border-bottom: 1px solid #e5e7eb;
    font-weight: 600;
}

.release-note-header button {
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    line-height: 1;
}

.release-note-body {
    padding: 16px;
}

.release-note-body h3 {
    margin: 0 0 12px 0;
    font-size: 16px;
    color: #111827;
}

.release-note-body a {
    display: inline-block;
    color: #2563eb;
    text-decoration: none;
    font-weight: 500;
}

.release-note-body a:hover {
    text-decoration: underline;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}